CN219371257U - Explosion venting window and battery module - Google Patents

Abstract

A window body component and a frame body component of the explosion venting window are movably connected together. The window body component and the frame body component of the explosion venting window are movably connected together. The window assembly is nested in the frame assembly and covers the hollow frame structure of the frame assembly. The frame body component is fixed on structural members around the exhaust port of the battery module. When the battery module explodes, the impact force generated makes one side of the window assembly separate from the frame assembly. The window assembly can limit the direction of high-temperature gas flushing out of the battery module, and avoid the high-temperature gas of the battery module from diffusing everywhere, damaging other parts and burning people and animals.

Description

Explosion venting window and battery module

Technical Field

The utility model relates to the technical field of battery protection, in particular to an explosion venting window and a battery module.

Background

The battery energy storage is rapidly developed by virtue of high flexibility, high energy density, high controllability and the like. The existing batteries include lithium batteries, storage batteries, sodium ion batteries, all-vanadium redox flow batteries, sulfur selenium batteries and the like. Under the conditions of short circuit, overhigh temperature, external damage and the like of the battery, the battery core of the battery has the risk of thermal runaway valve opening. After the valve of the battery is opened, the combustible gases such as H2, CO and the like generated in the battery are released. The combustible gas explodes in the closed space inside the battery when encountering electric sparks or high temperature surfaces. The high temperature gas spreads around after the explosion of the battery, which may damage other parts and burn people and animals.

Disclosure of Invention

In order to solve the above-mentioned problem, embodiments of the present application provide an explosion venting window, where the explosion venting window is fixed on a structural member around an exhaust port of a battery module. When the battery module explodes, one side of the window assembly is separated from the frame assembly, so that high-temperature gas of the battery module flies out through a gap between the window assembly and the frame assembly 302. The explosion venting window can limit the direction of high-temperature gas of the battery module to be flushed out, so that the high-temperature gas of the battery module can be flushed out along a specific direction, and the high-temperature gas of the battery module can be prevented from damaging other parts and burning people and animals.

For this reason, the following technical solutions are adopted in the embodiments of the present application:

in a first aspect, an embodiment of the present application provides an explosion venting window, including: the frame body assembly is of a hollow frame structure in a top view shape, and the window body assembly is nested in the frame body assembly and covers the hollow frame structure of the frame body assembly; at least one connecting component respectively fixed on one side edge of the window component and one side edge of the frame component; wherein, when the at least one connecting component is in a first state, the window component is contacted with the frame component; and when the at least one connecting component is in the second state, the side edge opposite to one side edge of the window component is separated from the frame component.

In this embodiment, the window assembly of the explosion vent window is movably coupled to the frame assembly. The window assembly is nested in the frame assembly and covers the hollow frame structure of the frame assembly. The frame body component is fixed on structural members around the exhaust port of the battery module. When the battery module explodes, the impact force generated makes one side of the window assembly separate from the frame assembly. The window assembly can limit the direction of high-temperature gas flushing out of the battery module, and avoid the high-temperature gas of the battery module from diffusing everywhere, damaging other parts and burning people and animals.

In one embodiment, the inner side edge of the frame structure of the frame body component is provided with a protruding component, and the window body component is provided with a groove structure; the groove structure of the window body component is nested in the protruding component of the frame body component.

In this embodiment, the inner edge of the upper surface of the frame structure of the frame assembly is provided with a protruding structure. The window assembly can be nested in the protruding structure of the frame assembly, so that the window assembly is fixed to the frame assembly. The window body component is tightly contacted with the outer side surface of the protruding structure of the frame body component, so that the tightness of the explosion venting window can be improved.

In one embodiment, the at least one connection assembly is a hinge comprising two connection pieces movably connected together; one of the two connecting pieces is fixed on one side edge of the window assembly, and the other connecting piece is fixed on one side edge of the frame assembly.

In one embodiment, the method further comprises: the at least one explosion venting gasket and the at least one screw penetrate through the at least one explosion venting gasket and the at least one third fixing through hole of the window body assembly respectively to be fixed on the frame body assembly; the at least one third securing aperture is located on a side of the window assembly opposite a side thereof.

In this embodiment, at least one screw passes through at least one explosion venting gasket and at least one third fixing through hole of the window assembly, respectively, to fix the window assembly to the frame assembly. After the window assembly bears the impact force of the battery module, the explosion venting gasket is extruded. After the explosion venting gasket is torn or deformed, the screw is separated from the frame body assembly, so that one side edge of the window body assembly is separated from the frame body assembly.

In one embodiment, the at least one explosion venting gasket is separated from the frame assembly by a side opposite to one side of the window assembly when the at least one explosion venting gasket is disengaged from the at least one screw.

In one embodiment, the method further comprises: the frame structure of the frame body assembly is provided with at least two fourth fixing through holes, and the at least two fixing through holes are fixed on the battery module through screws.

In one embodiment, the method further comprises: the reinforcing ribs are arranged in the groove structure of the window assembly and used for supporting the bottom of the groove structure of the window assembly; wherein the reinforcing ribs are fixed on the side edges of the groove structure of the window assembly; the reinforcing ribs are in contact with the bottom of the groove structure of the window assembly.

In this embodiment, the reinforcing rib is disposed in the groove structure of the window assembly and is in close contact with the bottom of the groove structure of the window assembly. Each port of the reinforcing rib is respectively fixed on the side edge of the groove structure of the window assembly. The structural strength of the reinforcing rib is higher, so that the support is provided for the bottom of the groove structure of the window assembly, and the external load resistance of the explosion venting window can be improved.

In one embodiment, the method further comprises: the first sealing rubber strip is arranged between the window body assembly and the frame body assembly and is used for filling a gap between the window body assembly and the frame body assembly.

In this embodiment, the first bead seal is provided on the upper surface of the frame structure of the frame assembly. The first sealing rubber strip is arranged on the outer side edge of the protruding structure of the frame body assembly. When the groove structure of the window body assembly is nested in the protruding structure of the frame body assembly, the first sealing rubber strip can fill a gap between the window body assembly and the frame body assembly, and the tightness between the window body assembly and the frame body assembly is improved.

In one embodiment, the method further comprises: the heat preservation component is arranged in the middle of the groove structure of the window body component and/or the frame structure of the frame body component and is used for isolating heat.

In this embodiment, the thermal insulation assembly may be disposed intermediate the recess structure of the window assembly and the frame structure of the frame assembly. The heat preservation component is arranged in the explosion venting window, so that the heat preservation capability of the explosion venting window can be improved. When the temperature difference between the inside and the outside of the battery module is large, the explosion venting window is fixed on the battery module, so that the condensation generated in the battery module can be avoided, and the short circuit of devices in the battery module can be avoided.

In one embodiment, the method further comprises: the second sealing rubber strip is arranged on the surface of one side, deviating from the window body assembly, of the frame body assembly and is used for filling a gap between the frame body assembly and the battery module when the frame body assembly is fixed to the battery module.

In this embodiment, the second sealing bead may be provided on the lower surface of the frame structure of the frame assembly. The explosion venting window is fixed on the battery module, and the second sealing adhesive tape can fill a gap between the lower surface of the frame structure of the frame body assembly and a structural part of the battery module, so that the tightness between the explosion venting window and the battery module is improved.

In one embodiment, the method further comprises: the ornamental strip is arranged at the outer side edge of the frame structure of the frame body assembly, and is used for sealing a gap between the outer side edge of the frame structure of the frame body assembly and the battery module when the frame body assembly is fixed on the battery module.

In this embodiment, the decorative strip may be provided at an outer edge of the frame structure of the frame assembly. The explosion venting window is fixed on the battery module, the decorative strip is attached to the surface of the structural member of the battery module, so that gaps between the outer side edge of the frame structure of the frame body assembly and the structural member of the battery module can be eliminated, and the attractive effect of the explosion venting window fixed on the battery module is improved.

In one embodiment, the method further comprises: the two ends of the safety component are respectively fixed on the at least one fifth fixing through hole of the window component and the at least one sixth fixing through hole of the frame component through screws and are used for connecting the window component and the frame component; the at least one fifth fixing through hole is located at the bottom of the groove structure of the window assembly and is close to the side edge where the at least one connecting assembly is located, and the at least one sixth fixing through hole is located at the side face of the protruding structure of the frame assembly and is close to the side edge where the at least one connecting assembly is located.

In one embodiment, the connection assembly is a explosion venting gasket and the screw.

In a second aspect, embodiments of the present application provide a battery module, including: a structural member provided with at least one exhaust port; the battery packs are arranged inside the structural part; at least one explosion venting window as may be realized in the first aspect is respectively fixed to the structural parts around the at least one exhaust port.

Drawings

The drawings that accompany the detailed description can be briefly described as follows.

Fig. 1 is a schematic structural view of a structural member of a battery module according to an embodiment of the present application;

fig. 2 is a schematic view of a situation that an explosion venting window is fixed to a battery module according to an embodiment of the present application;

FIG. 3 is an exploded view of an explosion venting window provided in an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a window assembly according to an embodiment of the present disclosure nested within a frame assembly;

fig. 5 is a schematic structural diagram of a window assembly nested in a frame assembly according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a window assembly according to an embodiment of the present disclosure with a side edge separated from a frame assembly;

FIG. 7 is a schematic view of a window assembly according to an embodiment of the present disclosure with a side edge separated from a frame assembly;

fig. 8 is a schematic structural diagram of a window assembly provided in an embodiment of the present application with a side separated from a frame assembly.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "fixed," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a removable connection, an interference connection, or an integral connection; the specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of the present application, the term "and/or" is an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. The symbol "/" herein indicates that the associated object is or is a relationship, e.g., A/B indicates A or B.

In the description of the present application, the terms "first" and "second" and the like are used to distinguish between different objects and are not used to describe a particular order of objects. For example, the first response message and the second response message, etc. are used to distinguish between different response messages, and are not used to describe a particular order of response messages.

In the embodiments of the present application, the words "in one embodiment" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "in one embodiment" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "in one embodiment" or "such as" is intended to present related concepts in a concrete fashion.

In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.

The battery cell is a minimum maintainable unit which internally comprises one battery cell or a plurality of battery cells which are connected in parallel. The battery pack is a combination body formed by combining a plurality of battery cells in a serial connection and/or a parallel connection mode. The battery module may be composed of a plurality of battery packs, a battery management system (battery management system, BMS), a low voltage distributor, structural members, and the like. A plurality of battery packs, BMS, low voltage power distributor, etc. devices are disposed inside the structural member.

As shown in fig. 1, the structural member 100 is a groove structure. The bottom and the periphery of the structure 100 are formed of a protective material. A plurality of battery packs, BMS, low voltage power distributors, etc. of the battery module are disposed inside the structural member 100. The top of the structure 100 is provided with two exhaust ports 110. When the battery pack of the battery module explodes, high-temperature gas generated from the battery module may be discharged from the exhaust port 110 at the top of the structural member 100.

In order to prevent high-temperature gas of the battery module from diffusing to the periphery, the embodiment of the application provides an explosion venting window and the battery module.

Fig. 2 is a schematic view of a situation that the explosion venting window is fixed to the battery module according to the embodiment of the present application. As shown in fig. 2, explosion venting window 300 includes a window assembly 301 and a frame assembly 302. The window assembly 301 is movably coupled to the frame assembly 302. Normally, the explosion venting window 300 is fixed on the structural members around the exhaust port of the battery module 200, so that the structural members of the battery module 200 can be sealed. When the battery module 200 explodes, one side of the window assembly 301 is separated from the frame assembly 302, so that the high temperature gas of the battery module 200 is discharged through the gap between the window assembly 301 and the frame assembly 302. The explosion venting window 300 can limit the direction in which the high temperature gas of the battery module 200 flies out, allow the high temperature gas of the battery module 200 to be discharged in a specific direction, and prevent the high temperature gas of the battery module 200 from damaging other components and burning people and animals. In one embodiment, the position of the exhaust port of the battery module 200 is not limited to the top of the structural member, but may be on the side or bottom of the structural member, which is not limited herein.

In this embodiment, when the explosion venting window 300 is disposed on a desktop, the "upper surface" refers to the surface of the explosion venting window 300 facing away from the desktop. When the explosion venting window 300 is fixed to the structural member of the battery module 200, the upper surface of the explosion venting window 300 refers to the surface at the outside. In the embodiment of the application, the surface may be a plane or a curved surface. By analogy, the upper surface of each component in explosion venting window 300 refers to the surface of each component that faces away from the tabletop. "lower surface" refers to the surface opposite "upper surface". In the embodiment of the present application, "upward" refers to the direction from the battery module 200 to the explosion venting window 300 when the explosion venting window 300 is fixed to the battery module 200. "downward" refers to a direction opposite to "upward".

Fig. 3 is a schematic structural diagram of an explosion venting window according to an embodiment of the present application. As shown in fig. 3, explosion venting window 300 includes a window assembly 301, a frame assembly 302, and at least one connection assembly 303. The connection assembly 303 is fixed to the window assembly 301 and the frame assembly 302, respectively, such that the window assembly 301 is rotatably fixed to the frame assembly 302.

Window assembly 301 is typically constructed of metal or other relatively strong materials. The window assembly 301 is used to receive an impact force generated when the battery module 200 explodes. The structural strength of the window assembly 301 is relatively high, the window assembly 301 is not damaged when the battery module 200 explodes, and fragments generated when the battery module 200 explodes can be prevented. The window assembly 301 may have a rectangular shape in plan view, or may have a square, circular or other shape, and is not limited herein.

The frame assembly 302 is a hollow frame structure, typically constructed of metal or other relatively strong materials. The frame assembly 302 is used for being fixed on the structural members around the exhaust port of the battery module 200, so that the structure of the battery module 200 forms a closed cavity. The top view of the frame assembly 302 may be rectangular, square, circular, or any other shape, and is not limited herein.

As shown in fig. 4, the inner edge of the upper surface of the frame structure of the frame assembly 302 is provided with a protrusion structure 302-1. The window assembly 301 may be nested within the raised structure 302-1 of the frame assembly 302, allowing the window assembly 301 to be secured to the frame assembly 302. The window assembly 301 is in close contact with the outer side surface of the protrusion structure 302-1 of the frame assembly 302, which can improve the sealability of the explosion venting window 300 and prevent external liquid from entering the inside of the battery module 200. In one embodiment, the lower surface of the window assembly 301 is provided with a groove structure. The shape of the groove structure of the window assembly 301 matches the shape of the protrusion structure 302-1 of the frame assembly 302. The recess structure of the window assembly 301 may be nested in the protrusion structure 302-1 of the frame assembly 302, so that the window assembly 301 is fixed to the frame assembly 302. The protruding structure 302-1 of the frame assembly 302 is perpendicular to the upper surface of the frame structure of the frame assembly 302, so that liquid penetrating into a gap between the window assembly 301 and the frame assembly 302 can be blocked, and the tightness of the explosion venting window 300 can be improved.

The window assembly 301 is provided with at least one first fixing through hole. At least one first fixing through hole may be located on one side of the window assembly 301. The frame assembly 302 is provided with at least one second fixing through hole. The at least one second fixing through hole may be located on one side of the upper surface of the frame structure of the frame assembly 302. Both ends of the at least one connection member 303 may be respectively fixed to the at least one first fixing through hole of the window member 301 and the at least one second fixing through hole of the frame member 302 by screws.

In this application, the connection assembly 303 may be a hinge. The hinge comprises two connecting pieces. The two connecting sheets are movably connected together. One tab is secured to a first securing aperture of window assembly 301. One connecting piece is fixed to the second fixing through hole of the frame member 302. In one embodiment, as shown in fig. 5, when the two connection pieces of the hinge are closed, the groove structure of the window assembly 301 may be nested in the protrusion structure 302-1 of the frame assembly 302, so that the window assembly 301 is in close contact with the frame assembly 302. In one embodiment, as shown in fig. 6, when the two connection pieces of the hinge are separated, one side of the window assembly 301 is separated from the frame assembly 302, and a set angle is formed between the window assembly 301 and the frame assembly 302.

Explosion venting window 300 also includes at least one explosion venting gasket 304 and at least one screw 305. In this application, the window assembly 301 is provided with at least one third fixing through hole. At least one third fixing through hole is located at a position close to one side of the upper surface of the window assembly 301, and the side close to the at least one third fixing through hole and the side where the first fixing through hole are located are opposite to each other. At least one screw 305 passes through at least one explosion venting gasket 304 and at least one third fixing through hole of the window assembly 301, respectively, to fix the window assembly 301 to the frame assembly 302. The window assembly 301 presses the explosion venting gasket 304 after receiving the impact force of the battery module 200. After the explosion venting gasket 304 is torn or deformed, the screw 305 is detached from the frame assembly 302, and one side of the window assembly 301 is separated from the frame assembly 302.

Explosion vent 300 also includes at least two screws 306. In this application, the frame assembly 302 is provided with at least two fourth fixing through holes. At least two fourth fixing through holes are respectively located on different sides of the frame structure of the frame assembly 302. At least two screws 306 respectively pass through at least two fixing through holes of the frame assembly 302 to fix the frame assembly 302 to the structural members around the exhaust port of the battery module 200. The explosion venting window 300 does not need to be preformed on the battery module 200, and is convenient to fix.

Explosion vent 300 also includes a stiffener 307. In this application, the shape of the stiffener 307 may be "well" shaped, spider web shaped, or other shape. The reinforcing rib 307 is disposed in the groove structure of the window assembly 301 and is in close contact with the bottom of the groove structure of the window assembly 301. The respective ports of the ribs 307 are secured to the sides of the groove structure of the window assembly 301, respectively. The reinforcing ribs 307 have relatively high structural strength, and provide support for the bottom of the groove structure of the window assembly 301, so that the external load resistance of the explosion venting window 300 can be improved.

The explosion vent 300 also includes a sealing strip 308. In this application, the bead seal 308 may be a double sided adhesive rubber or other solid adhesive. The bead seal 308 may be disposed on a side of the groove structure of the window assembly 301. The bead seal 308 is provided on the upper surface of the frame structure of the frame assembly 302. The sealing strip 308 is disposed on the outer side of the raised structure 302-1 of the frame assembly 302. When the groove structure of the window assembly 301 is nested in the protruding structure 302-1 of the frame assembly 302, the sealing rubber strip 308 can fill a gap between the window assembly 301 and the frame assembly 302, so that the sealing performance between the window assembly 301 and the frame assembly 302 is improved, and the waterproof capability of the explosion venting window 300 is improved.

Explosion venting window 300 also includes a thermal insulation assembly 309. In the present application, the heat insulating member 309 may be made of a heat insulating material such as a high molecular polymer, rubber, or cotton. The top view shape of the insulating member 309 is the same as the middle blank shape of the frame structure of the frame member 302. The insulating assembly 309 may be disposed intermediate the recessed structure of the window assembly 301 and the frame structure of the frame assembly 302. The heat insulation assembly 309 is arranged inside the explosion venting window 300, so that the heat insulation capability of the explosion venting window 300 can be improved. When the temperature difference between the inside and the outside of the battery module 200 is relatively large, the explosion venting window 300 is fixed to the battery module 200, so that the occurrence of short circuit of electronic devices inside the battery module 200 due to condensation generated inside the battery module 200 can be avoided.

The explosion vent 300 also includes a sealing strip 310. In this application, the bead seal 310 may be a double sided adhesive rubber or other solid adhesive. The bead seal 310 may be disposed on a lower surface of the frame structure of the frame assembly 302. The explosion venting window 300 is fixed to the battery module 200, and the sealing rubber strip 310 may fill a gap between the lower surface of the frame structure of the frame assembly 302 and the structural members of the battery module 200, thereby improving sealability between the explosion venting window 300 and the battery module 200.

Explosion venting window 300 also includes a decorative strip 311. In this application, the decorative strip 311 may be rubber, plastic or other moldable material. The decorative strip 311 may be disposed at an outer edge of the frame structure of the frame assembly 302. The explosion venting window 300 is fixed on the battery module 200, the decorative strip 311 is attached to the surface of the structural member of the battery module 200, so that gaps between the outer edge of the frame structure of the frame assembly 302 and the structural member of the battery module 200 can be eliminated, and the attractive effect of fixing the explosion venting window 300 on the battery module 200 can be improved.

As shown in fig. 7, the explosion vent window 300 also includes at least one safety assembly 312. In this application, the safety component 312 may be a cord, a spring, or other elastic component. The window assembly 301 is provided with at least one fifth fixing through hole. At least one fifth fixing through hole is located at the bottom of the groove structure of the window assembly 301 and is close to the side where the first fixing through hole is located. The frame assembly 302 is provided with at least one sixth fixing through hole. The at least one sixth fixing hole is located at a side of the protruding structure 302-1 of the frame assembly 302 and is close to a side where the second fixing hole is located. Both ends of the at least one safety member 312 are respectively fixed to the at least one fifth fixing through hole of the window assembly 301 and the at least one sixth fixing through hole of the frame assembly 302 by screws.

The safety component 312 may be in a relaxed state when the recessed features of the window component 301 are nested within the raised features 302-1 of the frame component 302. The safety element 312 may be in tension when the window element 301 is separated from the frame element 302. When the impact force generated by the explosion of the battery module 200 acts on the window assembly 301, one side edge of the window assembly 301 is separated from the frame assembly 302, and the safety assembly 312 can weaken the impact force born by the window assembly 301, so that the window assembly 301 is prevented from flying out under the action of strong impact force. After the impact force born by the window assembly 301 disappears, the window assembly 301 is coupled with the frame assembly 302 again under the action of the safety assembly 312, so that oxygen can be blocked from entering the structural member of the battery module 200, and the battery module 200 stops burning.

As shown in fig. 8, when at least one safety component 312 is fixed between the groove structure of the window component 301 and the protrusion component 302-1 of the frame component 302, the connection component 303 may be a explosion venting gasket 304 and a screw 305. A hinge may not be required for connection between the window assembly 301 and the frame assembly 302. Explosion venting gasket 304 and screw 305 may replace the hinge. In one embodiment, the window assembly 301 is provided with at least two third securing through holes. At least one third fixing through hole is respectively located at two opposite sides of the upper surface of the window assembly 301. At least two screws 305 pass through the explosion venting gasket 304 and at least two third fixing through holes of the window assembly 301 respectively to fix the window assembly 301 to the frame assembly 302. After the battery module 200 explodes, the window assembly 301 flies out under the impact force, and cannot leave the battery module under the limitation of the safety assembly 312, so that the window assembly 301 is prevented from flying out to hurt people.

In the embodiment of the application, the window body component and the frame body component of the explosion venting window are movably connected together. The window assembly is nested in the frame assembly. The frame body component is fixed on structural members around the exhaust port of the battery module. When the battery module explodes, the impact force generated makes one side of the window assembly separate from the frame assembly. The window assembly can limit the high-temperature gas exhaust direction of the battery module, and avoid the high-temperature gas of the battery module from flying around, damaging other parts and burning people and animals.

The embodiment of the application provides a battery module, which comprises a plurality of battery packs, structural members and at least one explosion venting window. The battery packs are arranged inside the structural member, and a plurality of exhaust ports are arranged on the structural member. The explosion venting window is fixed on the structural member around the exhaust port of the structural member. The explosion venting window may be as shown in fig. 1 to 8 and described in the corresponding protection schemes, and the battery module includes the explosion venting window. Thus, the charging module includes all or at least some of the advantages of having the explosion venting window.

The positional relationship, the number, the fixing mode, the shape and the structure of the overlooking section of the explosion venting window of the battery module provided by the embodiment of the application are not limited to the embodiment, and all the technical schemes realized under the principle of the application are within the protection scope of the scheme. Any one or more embodiments or illustrations in the specification, combined in a suitable manner, are within the scope of the present disclosure.

Finally, the above embodiments are only used to illustrate the technical solutions of the present application. It will be appreciated by those skilled in the art that, although the present application has been described in detail with reference to the foregoing embodiments, various modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (14)

1. An explosion venting window, comprising:

a frame member (302) having a hollow frame structure in plan view,

a window assembly (301) nested within the frame assembly and covering a hollow frame structure of the frame assembly;

at least one connection assembly (303) respectively fixed to one side of the window assembly and one side of the frame assembly; wherein, when the at least one connecting component is in a first state, the window component is contacted with the frame component; and when the at least one connecting component is in the second state, the side edge opposite to one side edge of the window component is separated from the frame component.

2. The explosion venting window according to claim 1, wherein the frame structure inner side edge of the frame body assembly is provided with a protruding assembly (302-1), the window body assembly is provided with a groove structure; the groove structure of the window body component is nested in the protruding component of the frame body component.

3. The explosion vent as set forth in claim 1, wherein said at least one connection assembly is a hinge, said hinge including two connection tabs, said two connection tabs being movably connected together; one of the two connecting pieces is fixed on one side edge of the window assembly, and the other connecting piece is fixed on one side edge of the frame assembly.

4. A vent window according to any one of claims 1-3, further comprising:

at least one explosion venting gasket (304) and at least one screw (305) secured to the frame assembly through the at least one explosion venting gasket and at least one third securing through hole of the window assembly, respectively; the at least one third securing aperture is located on a side of the window assembly opposite a side thereof.

5. The explosion venting window of claim 4, wherein when the at least one explosion venting gasket is disengaged from the at least one screw, a side of the window assembly opposite a side thereof is separated from the frame assembly.

6. A vent window according to any one of claims 1-3, further comprising:

the frame structure of the frame body assembly is provided with at least two fourth fixing through holes, and the at least two fixing through holes are fixed on the battery module through screws.

7. A vent window according to any one of claims 1-3, further comprising:

a reinforcing rib (307) arranged in the groove structure of the window assembly and used for supporting the bottom of the groove structure of the window assembly; wherein the reinforcing ribs are fixed on the side edges of the groove structure of the window assembly; the reinforcing ribs are in contact with the bottom of the groove structure of the window assembly.

8. A vent window according to any one of claims 1-3, further comprising:

and the first sealing rubber strip (308) is arranged between the window body assembly and the frame body assembly and is used for filling a gap between the window body assembly and the frame body assembly.

9. A vent window according to any one of claims 1-3, further comprising:

the heat preservation component (309) is arranged in the middle of the groove structure of the window body component and/or the frame structure of the frame body component and is used for isolating heat.

10. A vent window according to any one of claims 1-3, further comprising:

and the second sealing adhesive tape (310) is arranged on the surface of one side, away from the window body assembly, of the frame body assembly and is used for filling a gap between the frame body assembly and the battery module when the frame body assembly is fixed on the battery module.

11. A vent window according to any one of claims 1-3, further comprising:

and the decorative strip (311) is arranged at the outer edge of the frame structure of the frame body assembly and is used for sealing a gap between the outer edge of the frame structure of the frame body assembly and the battery module when the frame body assembly is fixed on the battery module.

12. A vent window according to any one of claims 1-3, further comprising:

at least one safety assembly (312) having both ends respectively fixed to at least one fifth fixing through hole of the window assembly and at least one sixth fixing through hole of the frame assembly by screws for connecting the window assembly and the frame assembly; the at least one fifth fixing through hole is located at the bottom of the groove structure of the window assembly and is close to the side edge where the at least one connecting assembly is located, and the at least one sixth fixing through hole is located at the side face of the protruding structure of the frame assembly and is close to the side edge where the at least one connecting assembly is located.

13. The explosion vent window of claim 12, wherein the connection assembly is an explosion venting gasket and the screw.

14. A battery module, comprising:

a structural member provided with at least one exhaust port;

the battery packs are arranged inside the structural part;

at least one explosion venting window according to any one of claims 1 to 13, each secured to a structural member surrounding the at least one vent.