CN220627941U - Condensed water protection device and battery pack - Google Patents

Abstract

The application relates to a condensate water protection device and a battery pack, wherein a drainage plate is arranged between 2 adjacent layers of battery modules, and is provided with a drainage channel; the drainage channel drains condensed water dropped from an upper layer battery module in the adjacent 2 layers of battery modules to the side surface of a lower layer battery module; the protruding subassembly sets up the both sides end at the drainage board, and protruding subassembly encloses with the drainage board and closes and form the drainage passageway, realizes can leading the comdenstion water to the battery module side, prevents that the comdenstion water from collecting at the battery module top. This application is through designing comdenstion water protector for the condensate water of upper battery module drip can drip on the drainage passageway, in addition based on gravity's effort, the condensate water can be along the drainage of drainage passageway to lower floor's battery module side, realizes insulating and with comdenstion water drainage to battery module side, prevents that the comdenstion water from collecting and the drip on the electrical component at battery module top, avoids appearing the short circuit risk, improves battery safety.

Description

Condensed water protection device and battery pack

Technical Field

The application relates to the technical field of batteries, in particular to a condensed water protection device and a battery pack.

Background

The battery pack plays an important role in a new energy automobile, and is a high-voltage high-capacity battery assembly composed of a plurality of single batteries. Depending on the requirements, different numbers, different chemical compositions and different sizes of cells may be used to make up the battery pack. For example, the battery pack may be divided into a single-layer battery pack, a double-layer battery pack, and a multi-layer battery pack according to the number of layers. For double-layer battery packs or multi-layer battery packs, in order to improve the heat radiation capability of the whole pack, a liquid cooling plate with supporting and cooling functions is arranged between the adjacent 2 layers of battery modules, but air can be liquefied when encountering the liquid cooling plate between the adjacent 2 layers of battery modules, condensed water is formed to drop on electrical elements such as CCS (Cells Contact System) of the lower layer of battery modules, integrated busbar, aluminum bars, polar posts and the like, and short circuit risks exist.

At present, in the use process of the existing double-layer battery pack or multi-layer battery pack, condensed water formed by liquefying the surfaces of liquid cooling plates between adjacent 2 layers of battery modules can drop onto electric elements of the lower layer of battery modules, and short circuit is easy to occur. In the conventional PC film insulation protection method, there is a risk of breakage of the PC film, and condensed water is easily deposited on the PC film (polycarbonate film), and when the PC film is broken, short circuit is easily generated.

Disclosure of Invention

Therefore, it is necessary to provide a condensate water protection device and a battery pack, which can drain condensate water to the side of a battery module, prevent the condensate water from collecting at the top of the battery module, avoid the risk of short circuit and improve the safety of the battery, aiming at the problems existing in the use process of the existing double-layer battery pack or multi-layer battery pack.

In a first aspect, the present application provides a condensate water protection device comprising:

the drainage plates are configured to be arranged between the adjacent 2 layers of battery modules, and the drainage plates are provided with drainage channels; the drainage channel is configured to drain condensed water dropped from an upper layer battery module in the adjacent 2 layers of battery modules to the side surface of a lower layer battery module;

the protruding subassembly, protruding subassembly setting is in the both sides end of drainage board, and protruding subassembly encloses with the drainage board and closes and form the drainage passageway.

Optionally, the drainage plate comprises a first drainage section and a second drainage section;

the first end of the first drainage section is connected with the first end of the second drainage section, the first end of the first drainage section is inclined downwards along the second end of the first drainage section, and the first end of the second drainage section is inclined downwards along the second end of the second drainage section.

Optionally, the cam assembly includes a first cam, a second cam, a third cam, and a fourth cam;

the first bulge piece is arranged at the third end of the first drainage section, and the second bulge piece is arranged at the fourth end of the first drainage section;

the third protruding piece sets up the third end at the second drainage section, and the fourth protruding piece sets up the fourth end at the second drainage section.

Optionally, the condensate water protection device further comprises a guide assembly; the guide components are arranged at the other two side ends of the drainage plate.

Optionally, the guide assembly includes a first guide plate and a second guide plate;

the first guide plate is connected with the second end of the first drainage section, and the second guide plate is connected with the second end of the second drainage section.

Optionally, the condensate water protection device further comprises a first locking assembly, wherein the first locking assembly is arranged at two side ends of the drainage plate; the first locking assembly is configured to be mounted between adjacent 2-layer battery modules.

Optionally, the first locking assembly includes a plurality of first locking members;

the third end of the first drainage section is provided with at least one first locking accessory, and the fourth end of the first drainage section is provided with at least one first locking accessory;

the third end of the second drainage section is provided with at least one first locking accessory, and the fourth end of the second drainage section is provided with at least one first locking accessory.

Optionally, each first locking accessory is provided with a mounting hole.

In a second aspect, the present application provides a battery pack comprising at least 2 layers of battery modules and a condensate water protection device as defined in any one of the above; the condensed water protection device is arranged between the adjacent 2 layers of battery modules.

Optionally, the battery module comprises a battery assembly, a liquid cooling plate and an end plate; the battery component is arranged between the liquid cooling plate and the end plate;

the end plate is provided with a second locking assembly configured to lock the condensate water guard.

One of the above technical solutions has the following advantages and beneficial effects:

the condensed water protection device comprises a drainage plate and a bulge assembly, wherein the drainage plate is configured to be arranged between 2 adjacent layers of battery modules, and is provided with a drainage channel; the drainage channel is configured to drain condensed water dropped from an upper layer battery module in the adjacent 2 layers of battery modules to the side surface of a lower layer battery module; the protruding subassembly sets up the both sides end at the drainage board, and protruding subassembly encloses with the drainage board and closes and form the drainage passageway, and then realizes can leading the comdenstion water to the battery module side, prevents that the comdenstion water from collecting at the battery module top. This application is through designing comdenstion water protector for the condensate water of upper battery module drip can drip on the drainage passageway, in addition based on gravity's effort, the condensate water can be along the drainage of drainage passageway to lower floor's battery module side, and then realizes insulating and with comdenstion water drainage to battery module side, prevents that the comdenstion water from collecting and the drip on the electrical component at battery module top, avoids appearing the short circuit risk, improves battery safety.

Drawings

FIG. 1 is a schematic view of a first view angle structure of a condensate water barrier according to an embodiment of the present application;

FIG. 2 is a schematic view of a second view angle structure of the condensate water barrier according to the embodiment of the present application;

FIG. 3 is an enlarged partial schematic view of FIG. 2A;

fig. 4 is a schematic view of a first view structure of a battery pack according to an embodiment of the present application;

fig. 5 is a schematic view of a second view structure of a battery pack according to an embodiment of the present application;

fig. 6 is a partially enlarged schematic view at B in fig. 5.

Reference numerals:

10 a condensate water protection device; 100. a drainage plate; 102. a first drainage section; 104. a second drainage section; 120. a projection assembly; 122. a first protrusion; 124. a second protrusion; 126. a third protrusion; 128. a fourth protrusion; 140. a guide assembly; 142. a first guide plate; 144. a second guide plate; 160. a first locking assembly; 162. a first lock attachment; 164. a mounting hole; 20. a battery module; 210. a battery assembly; 220. a liquid cooling plate; 230. an end plate; 232. and a second locking assembly.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In one embodiment, as shown in fig. 1 and 6, a condensate water guard is provided, the condensate water guard 10 comprising a drainage plate 100 and a raised assembly 120. The drainage plates 100 are configured to be disposed between adjacent 2 layers of the battery modules 20, the drainage plates 100 being provided with drainage channels; the drainage channel is configured to drain condensed water dropped from an upper layer battery module 20 of the adjacent 2 layers of battery modules 20 to a side surface of a lower layer battery module 20; the protruding components 120 are arranged at two side ends of the drainage plate 100, and the protruding components 120 and the drainage plate 100 enclose to form a drainage channel.

The condensed water protection device 10 can be applied to a double-layer battery pack or a multi-layer battery pack. A two-layered battery pack refers to a battery pack including 2 layers of battery modules 20; the multi-layered battery pack refers to a battery pack including 3 layers or more of the battery modules 20. The battery module 20 may include the battery module 20 including a battery assembly 210 and a liquid cooling plate 220; the liquid cooling plate 220 may be disposed at the bottom of the battery assembly 210, where the liquid cooling plate 220 performs liquid cooling heat dissipation on the battery assembly 210, and the battery assembly 210 may be formed by connecting a plurality of unit cells in series and/or parallel.

The drainage plate 100 may be a plate-like structure made of a non-metal material, for example, the drainage plate 100 may be a plastic drainage plate 100, and the drainage plate 100 has an insulating function. The drainage plate 100 is disposed between the adjacent 2-layered battery modules 20, for example, the adjacent 2-layered battery modules 20 are defined as a lower-layered battery module 20 and a lower-layered battery module 20, the upper-layered battery module 20 includes an upper-layered battery assembly 210 and an upper-layered liquid-cooling plate 220, the lower-layered battery module 20 includes a lower-layered battery assembly 210 and a lower-layered liquid-cooling plate 220, and the drainage plate 100 is disposed between the upper-layered liquid-cooling plate 220 and the lower-layered battery assembly 210.

The drainage plate 100 is provided with a drainage channel, and the drainage channel can be used for bearing the condensed water dropped from the upper battery module 20, and the drainage channel can also be used for draining the received condensed water and discharging the condensed water to the side surface of the lower battery module 20. For example, the drainage channel is provided with a first drainage outlet end and a second drainage outlet end, the drainage channel may be divided into a drainage channel middle part, a first drainage outlet end and a second drainage outlet end, and the height of the drainage channel middle part is higher than the heights of the first drainage outlet end and the second drainage outlet end respectively. Further, the first drainage outlet end is close to the first side of the lower battery module 20, the second drainage outlet end is close to the second side equipment of the lower battery module 20, and then condensed water generated by the upper battery module 20 in the adjacent 2 layers of battery modules 20 drops on the drainage channel of the drainage plate 100, and the condensed water can flow to the first drainage outlet end or the second drainage outlet end based on gravity, and then flows to the corresponding side of the lower battery module 20 through the first drainage outlet end or the second drainage outlet end.

The boss assembly 120 may be integrally formed with the drainage plate 100. In another example, the boss assembly 120 may also be sealingly connected to the drainage plate 100 by gluing or welding. The drainage plate 100 may include 4 side ends, and the protrusion assemblies 120 are disposed at two side ends of the drainage plate 100, so that the other two side ends of the drainage plate 100 are drainage outlet ends (i.e. a first drainage outlet end and a second drainage outlet end).

Based on setting up protruding subassembly 120 at the both sides end of drainage board 100, and then protruding subassembly 120 encloses with drainage board 100 and closes and form the drainage passageway, thereby the condensate water that produces when the upper cell module 20 in adjacent 2 layers of battery module 20 can drip the drainage passageway of drainage board 100, in addition, the condensate water can flow to first drainage exit end or second drainage exit end based on gravity, and then through first drainage exit end or second drainage exit end, with the corresponding side of comdenstion water drainage to lower floor's battery module 20, avoid comdenstion water to drip on the electrical component of lower floor's battery module 20, simultaneously set up at the both sides end of drainage board 100 through protruding subassembly 120, prevent that the comdenstion water from flowing to the electrical warehouse or the electrical component of lower floor's battery module 20 from the corresponding both sides end of drainage board 100, further improved battery safety.

In the above embodiment, the drainage plates 100 are disposed between the adjacent 2 layers of the battery modules 20, and the drainage plates 100 are provided with drainage channels; the drainage channel drains condensed water dropped from an upper layer battery module 20 in the adjacent 2 layers of battery modules 20 to the side surface of the lower layer battery module 20; the protruding components 120 are arranged at two side ends of the drainage plate 100, the protruding components 120 and the drainage plate 100 are enclosed to form a drainage channel, and further the purpose that condensed water can be drained to the side face of the battery module 20 is achieved, and condensed water is prevented from being collected at the top of the battery module 20. This application is through designing comdenstion water protector 10 for the condensate water of upper battery module 20 drip can drip on the drainage passageway, in addition based on the effort of gravity, the condensate water can be along the drainage of drainage passageway to the side of lower floor battery module 20, and then realizes insulating and with comdenstion water drainage to battery module 20 side, prevents that the comdenstion water from collecting and the drip is on the electrical component at battery module 20 top, avoids appearing the short circuit risk, improves battery safety.

In one embodiment, as shown in fig. 2 and 3, the drainage plate 100 includes a first drainage segment 102 and a second drainage segment 104; the first end of the first drainage segment 102 is connected to the first end of the second drainage segment 104, the first end of the first drainage segment 102 is inclined downward along the second end of the first drainage segment 104, and the first end of the second drainage segment 104 is inclined downward along the second end of the second drainage segment 104.

Wherein, the first drainage segment 102 and the second drainage segment 104 may each have a plate-like structure.

The first drainage segment 102 includes a first end and a second end, the second drainage segment 104 includes a first end and a second end, the first end of the first drainage segment 102 is connected to the first end of the second drainage segment 104, the second end of the first drainage segment 102 is used for outputting condensed water to a corresponding side of the lower battery module 20, and the second end of the second drainage segment 104 is used for outputting condensed water to a corresponding side of the lower battery module 20. It should be noted that the second end of the first drainage segment 102 is the first drainage outlet end of the drainage plate 100, and the second end of the second drainage segment 104 is the second drainage outlet end of the drainage plate 100.

Based on the first end of the first drainage segment 102 being connected with the first end of the second drainage segment 104, the first end of the first drainage segment 102 is inclined downwards along the second end of the second drainage segment 104, the first end of the second drainage segment 104 is inclined downwards along the second end of the second drainage segment 104, so that the middle height of the drainage plate 100 is respectively higher than the heights of the first drainage outlet end and the second drainage outlet end, namely, the drainage plate 100 is in an inverted V-shaped structure with high middle and low two sides, and condensed water produced by the upper-layer battery module 20 is dripped and collected behind the first drainage segment 102, can be drained along the second end of the first drainage segment 102 based on gravity and is discharged to the corresponding side surface of the lower-layer battery module 20 through the second end of the first drainage segment 102. Similarly, after the condensed water produced by the upper battery module 20 is dropped and collected on the second drainage section 104, the condensed water can drain along the second end of the second drainage section 104 based on gravity and is discharged to the corresponding side surface of the lower battery module 20 through the second end of the second drainage section 104, so that the condensed water produced by the upper battery module 20 automatically flows to the side surface of the lower battery module 20, the condensed water is prevented from being collected on the battery module 20, and the risk of short circuit caused by the condensed water falling on an electric element of the battery module 20 is avoided, thereby improving the safety of the battery.

In one embodiment, as shown in fig. 2 and 3, the lobe assembly 120 includes a first lobe 122, a second lobe 124, a third lobe 126, and a fourth lobe 128; the first protruding member 122 is disposed at the third end of the first drainage segment 102, and the second protruding member 124 is disposed at the fourth end of the first drainage segment 102; the third boss 126 is disposed at a third end of the second drainage section 104 and the fourth boss 128 is disposed at a fourth end of the second drainage section 104.

Wherein the first protrusion 122, the second protrusion 124, the third protrusion 126, and the fourth protrusion 128 may be integrally formed with the drainage plate 100. In another example, the first, second, third and fourth protrusions 122, 124, 126 and 128 may also be respectively and sealingly connected to the respective lateral ends of the drainage plate 100 by means of gluing or welding.

Based on the third end of the first drainage segment 102, the second protruding member 124 is disposed at the fourth end of the first drainage segment 102, and then the first protruding member 122, the second protruding member 124 and the first drainage segment 102 enclose to form a first drainage channel, so that when condensation water generated by the upper layer battery module 20 in the adjacent 2 layers of battery modules 20 drops on the first drainage channel of the first drainage segment 102, the condensation water can flow to the second end (i.e. the first drainage outlet end) of the first drainage segment 102 based on gravity, and then the condensation water is drained to the corresponding side surface of the lower layer battery module 20 through the second end of the first drainage segment 102, so that the condensation water is prevented from dropping on the electrical element of the lower layer battery module 20, and meanwhile, the condensation water is prevented from flowing from the corresponding two side ends of the first drainage segment 102 to the electrical bin or the electrical element of the lower layer battery module 20, so that the battery safety is further improved.

Based on the third protruding member 126 being disposed at the third end of the second drainage section 104, the fourth protruding member 128 is disposed at the fourth end of the second drainage section 104, and then the third protruding member 126, the fourth protruding member 128 and the second drainage section 104 enclose to form a second drainage channel, so that when condensation water generated by the upper layer battery module 20 in the adjacent 2 layers of battery modules 20 drops on the second drainage channel of the second drainage section 104, the condensation water can flow to the second end (i.e. the second drainage outlet end) of the second drainage section 104 based on gravity, and then the condensation water is drained to the corresponding side surface of the lower layer battery module 20 through the second end of the second drainage section 104, so that the condensation water is prevented from dropping on the electrical element of the lower layer battery module 20, and meanwhile, the condensation water is prevented from flowing from the corresponding two side ends of the second drainage section 104 to the electrical bin or the electrical element of the lower layer battery module 20, so that the battery safety is further improved.

In one embodiment, as shown in fig. 1 and 2, the condensate water protection device 10 further includes a guide assembly 140; the guide members 140 are disposed at the other two lateral ends of the drainage plate 100.

Wherein, the guide assembly 140 may be used to guide the condensed water outputted from the first and second drainage outlet ends of the drainage plate 100 to the side of the lower battery module 20.

In order to reduce the gap between the adjacent 2 layers of battery modules 20 and reduce the overall volume of the battery pack, the downward inclination angle of the drainage plate 100 needs to be optimally designed, so as to avoid that the condensed water cannot flow to the side surface of the lower layer of battery module 20 due to the fact that the condensed water flows to the bottom surface of the drainage plate 100 when the condensed water is output from the first drainage outlet end or the second drainage outlet end of the drainage plate 100, and further, guide assemblies 140 are arranged at the other two side ends of the drainage plate 100. It should be noted that the other two side ends of the drainage plate 100 refer to a first drainage outlet end and a second drainage outlet end of the drainage plate 100.

Illustratively, as shown in fig. 1 and 2, the guide assembly 140 includes a first guide plate 142 and a second guide plate 144; the first guide plate 142 is connected to the second end of the first drainage section 102, and the second guide plate 144 is connected to the second end of the second drainage section 104.

The first guide plate 142 may be integrally formed with the second end of the first drainage section 102 and the second guide plate 144 may be integrally formed with the second end of the second drainage section 104. In another example, the first guide plate 142 may be attached to the second end of the first drainage section 102 by gluing or welding, and the second guide plate 144 may be attached to the second end of the second drainage section 104 by gluing or welding.

Based on the second end of the first drainage segment 102 being connected by the first guide plate 142, the second guide plate 144 is connected with the second end of the second drainage segment 104, so that when the condensed water generated by the upper layer battery module 20 in the adjacent 2 layers of battery modules 20 drops on the first drainage channel of the first drainage segment 102, the condensed water can flow to the second end (i.e. the first drainage outlet end) of the first drainage segment 102 based on gravity, and then flows to the corresponding side surface of the lower layer battery module 20 through the first guide plate 142, so that the condensed water is prevented from dropping on the electrical element of the lower layer battery module 20. When the condensed water generated from the upper battery module 20 of the adjacent 2-layer battery modules 20 drops down the second drainage channel of the second drainage section 104, the condensed water can flow to the second end (i.e., the second drainage outlet end) of the second drainage section 104 based on gravity, and then flow to the corresponding side of the lower battery module 20 through the second guide plate 144, so that the condensed water is prevented from dropping on the electrical components of the lower battery module 20, and the safety of the battery is further improved.

In one embodiment, as shown in fig. 2 and 3, the condensate water protecting device 10 further includes first locking assemblies 160, and the first locking assemblies 160 are disposed at both side ends of the drainage plate 100; the first locking assembly 160 is configured to be installed between adjacent 2-layer battery modules 20.

Wherein, the two side ends of the drainage plate 100 may be two side ends corresponding to the protrusion assembly 120. The first locking assembly 160 may be used to secure the condensate water protection device 10 between adjacent 2-tier battery modules 20.

Based on the first locking components 160 being disposed at both side ends of the drainage plate 100, the first locking components 160 may be fastened to the end plates 230 of the lower battery modules 20, so as to firmly lock the condensed water protection device 10 between the adjacent 2-layer battery modules 20.

Illustratively, as shown in fig. 2 and 3, the first lock attachment assembly 160 includes a number of first lock attachments 162; the third end of the first drainage segment 102 is provided with at least one first locking piece 162, and the fourth end of the first drainage segment 102 is provided with at least one first locking piece 162; the third end of the second drainage section 104 is provided with at least one first locking element 162 and the fourth end of the second drainage section 104 is provided with at least one first locking element 162.

Wherein, each first locking accessory 162 is integrally formed with the drainage plate 100.

Based on the third end of the first drainage segment 102 being provided with at least one first locking piece 162, the fourth end of the first drainage segment 102 is provided with at least one first locking piece 162, and the first drainage segment 102 is fastened and connected with the end of the lower battery module 20 through the corresponding first locking piece 162, so that the fastening setting of the first drainage segment 102 is achieved. Based on the third end of the second drainage section 104 being provided with at least one first locking piece 162, the fourth end of the second drainage section 104 is provided with at least one first locking piece 162, and the second drainage section 104 is fastened and connected with the end of the lower battery module 20 through the corresponding first locking piece 162, so that the fastening setting of the second drainage section 104 is achieved.

In one example, as shown in fig. 2 and 3, each first locking attachment 162 is provided with a mounting hole 164, respectively. And then the bolts can be inserted into the mounting holes 164 of the corresponding first locking parts 162 to lock each first locking part 162, so as to realize the fastening and mounting of the multiple drainage plates 100.

Illustratively, the end plate 230 of the lower battery module 20 is provided with a second locking assembly corresponding to the first locking assembly 160, and the first locking assembly 160 may be fastened to the second locking assembly of the end plate 230 of the lower battery module 20, so as to firmly lock the condensed water protection device 10 between the adjacent 2 battery modules 20, thereby improving structural strength and system stability.

In one embodiment, as shown in fig. 4 and 5, a battery pack is provided comprising at least 2 layers of battery modules 20 and a condensate water protection device 10 as described above; the condensed water protection device 10 is disposed between adjacent 2-layer battery modules 20.

For the specific description of the battery module 20 and the condensed water protection device 10, reference may be made to the specific description of the battery module 20 and the condensed water protection device 10 in the above embodiment, and the detailed description is omitted herein.

Specifically, the condensate water protection device 10 includes a drainage plate 100 and a protrusion assembly 120, the drainage plate 100 is disposed between adjacent 2 layers of battery modules 20, and the drainage plate 100 is provided with a drainage channel; the drainage channel drains condensed water dropped from an upper layer battery module 20 in the adjacent 2 layers of battery modules 20 to the side surface of the lower layer battery module 20; the protruding components 120 are arranged at two side ends of the drainage plate 100, the protruding components 120 and the drainage plate 100 are enclosed to form a drainage channel, and further the purpose that condensed water can be drained to the side face of the battery module 20 is achieved, and condensed water is prevented from being collected at the top of the battery module 20. This application is through designing comdenstion water protector 10 for the condensate water of upper battery module 20 drip can drip on the drainage passageway, in addition based on the effort of gravity, the condensate water can be along the drainage of drainage passageway to the side of lower floor battery module 20, and then realizes insulating and with comdenstion water drainage to battery module 20 side, prevents that the comdenstion water from collecting and the drip is on the electrical component at battery module 20 top, avoids appearing the short circuit risk, improves battery safety.

In one example, as shown in fig. 5 and 6, the battery module 20 includes a battery assembly 210, a liquid cooling plate 220, and an end plate 230; the battery assembly 210 is disposed between the liquid cooling plate 220 and the end plate 230; the end plate 230 is provided with a second locking assembly 232, the second locking assembly 232 being configured to lock the condensate water protection device 10.

The liquid cooling plate 220 may be disposed at the bottom of the battery assembly 210, and the liquid cooling plate 220 performs liquid cooling heat dissipation on the battery assembly 210; the battery assembly 210 may be composed of a plurality of unit cells connected in series and/or parallel; the end plate 230 may be used to facilitate harness routing of the battery assembly 210.

Based on the second locking assembly 232 arranged on the end plate 230, the second locking assembly 232 can be in locking connection with the first locking assembly 160 in a threaded connection mode, and then the first locking assembly 160 can be fixedly arranged on the second locking assembly 232 of the end plate 230 of the lower-layer battery module 20, so that the condensate water protection device 10 is firmly locked between the adjacent 2-layer battery modules 20, and the structural strength and the system stability are improved.

In an example, the top of battery pack can be provided with the second liquid cooling board, and then can set up comdenstion water protector between second liquid cooling board and battery pack to the condensate water that the second liquid cooling board produced can drip on condensate water protector's drainage board, and through the side of the first drainage exit end and the second drainage exit end drainage to battery pack of drainage board, prevent that the comdenstion water from collecting and the drip on the electrical component at battery pack top, avoid appearing the short circuit risk, further improve battery safety.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A condensate water protection device, comprising:

a drainage plate configured to be disposed between adjacent 2 layers of battery modules, the drainage plate being provided with drainage channels; the drainage channel is configured to drain condensed water dropped from an upper layer battery module in the adjacent 2 layers of battery modules to the side surface of a lower layer battery module;

the protruding components are arranged at two side ends of the drainage plate, and the protruding components and the drainage plate enclose to form the drainage channel.

2. The condensate water protection device of claim 1 wherein the flow-directing plate comprises a first flow-directing section and a second flow-directing section;

the first end of the first drainage section is connected with the first end of the second drainage section, the first end of the first drainage section is inclined downwards along the second end of the first drainage section, and the first end of the second drainage section is inclined downwards along the second end of the second drainage section.

3. The condensate water protection device of claim 2 wherein the boss assembly comprises a first boss, a second boss, a third boss, and a fourth boss;

the first protruding piece is arranged at the third end of the first drainage section, and the second protruding piece is arranged at the fourth end of the first drainage section;

the third protruding piece is arranged at the third end of the second drainage section, and the fourth protruding piece is arranged at the fourth end of the second drainage section.

4. The condensate water protection device of claim 2, further comprising a guide assembly; the guide components are arranged at the other two side ends of the drainage plate.

5. The condensate water protection device of claim 4 wherein the guide assembly comprises a first guide plate and a second guide plate;

the first guide plate is connected with the second end of the first drainage section, and the second guide plate is connected with the second end of the second drainage section.

6. The condensate water protection device of claim 2, further comprising a first locking assembly disposed at both side ends of the drain plate; the first locking assembly is configured to be mounted between the adjacent 2-layer battery modules.

7. The condensate water protection device of claim 6 wherein said first locking assembly comprises a plurality of first locking attachments;

the third end of the first drainage section is provided with at least one first locking accessory, and the fourth end of the first drainage section is provided with at least one first locking accessory;

the third end of the second drainage section is provided with at least one first locking accessory, and the fourth end of the second drainage section is provided with at least one first locking accessory.

8. The condensate water protection device of claim 7 wherein each of said first locking attachments is provided with a mounting hole.

9. A battery pack comprising at least 2 layers of battery modules and the condensate water protection device according to any one of claims 1 to 8; the condensed water protection device is arranged between the adjacent 2 layers of battery modules.

10. The battery pack of claim 9, wherein the battery module comprises a battery assembly, a liquid cooling plate, and an end plate; the battery component is arranged between the liquid cooling plate and the end plate;

the end plate is provided with a second locking assembly configured to lock the condensate water guard.