Cushion pad containing flame-retardant microcapsules between lithium battery packs

Abstract

The utility model discloses a lithium battery pack buffer pad containing flame-retardant microcapsules, which comprises lithium battery packs, silica gel buffer pads are arranged on the sides, close to each other, of the two lithium battery packs, the flame-retardant microcapsules are embedded in the silica gel buffer pads at equal intervals, aerogel pads are arranged on the sides, close to the lithium battery packs, of the silica gel buffer pads, and the aerogel pads are arranged on the sides, close to the lithium battery packs, of the silica gel buffer pads. A fixing frame is arranged on the outer side of the aerogel cushion and fixedly connected with the silica gel cushion through mucilage glue. The utility model relates to the technical field of lithium battery cushions, and solves the technical problems that in the prior art, a cushion between lithium battery packs has a certain flame-retardant characteristic, but when a lithium battery fires, flames are always in a jet form and are easy to break through the cushion between the lithium battery packs, so that the fire spreads to other lithium battery packs, and the safety of the lithium battery pack is influenced. And more sufficient fire extinguishing or escaping time cannot be provided for people.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery buffer pad technical field, concretely is a kind of lithium battery group inter-buffer pad containing flame-retardant microcapsule. BACKGROUND

[0002] Lithium battery group inter-buffer pad is a kind of protective fittings aimed at reducing the impact and vibration that lithium battery group can suffer in use process. By installing buffer pad between lithium battery group, the damage of internal structure of lithium battery group can be effectively avoided, so as to improve the safety performance of battery group and prolong its service life. In prior art, lithium battery group inter-buffer pad has certain flame-retardant property, but when lithium battery catches fire, flame often presents jetting form, easily penetrates inter-buffer pad, causes fire to spread to other lithium battery group, cannot provide more ample fire-extinguishing or escape time for personnel. SUMMARY

[0003] In view of the deficiencies of prior art, the utility model provides a kind of lithium battery group inter-buffer pad containing flame-retardant microcapsule, solve the problem in prior art, lithium battery group inter-buffer pad has certain flame-retardant property, but when lithium battery catches fire, flame often presents jetting form, easily penetrates inter-buffer pad, causes fire to spread to other lithium battery group, cannot provide more ample fire-extinguishing or escape time for personnel.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of lithium battery group inter-buffer pad containing flame-retardant microcapsule, including lithium battery group, two the side of lithium battery group close to each other is provided with silica gel buffer pad, the inside of silica gel buffer pad is equidistantly embedded with flame-retardant microcapsule, the side of silica gel buffer pad close to lithium battery group is provided with aerogel pad, the outside of aerogel pad is provided with fixed frame, the fixed frame is fixedly connected with silica gel buffer pad by adhesive.

[0005] Preferably, the side of lithium battery group close to silica gel buffer pad is connected with outer frame, the outer wall of the outer frame on the side of silica gel buffer pad is equidistantly provided with connecting band, the outer wall of the outer frame on the other side of silica gel buffer pad is equidistantly provided with fixed card, the fixed card is correspondingly provided with connecting band, the inner wall of the fixed card is equidistantly provided with first tooth, the outer wall of the connecting band is equidistantly provided with second tooth, and the second tooth is connected with the first tooth.

[0006] Preferably, the inside of silica gel buffer pad is provided with buffer cavity, the inner wall of buffer cavity is equidistantly provided with convex strip on both sides, and the convex strip on one side is spaced apart from the convex strip on the other side.

[0007] Preferably, the outer wall of silica gel buffer pad is provided with fixed recess on both sides, and the adhesive is arranged in the inside of fixed recess.

[0008] Preferably, the two sides of the silica gel buffer pad are provided with abutting protrusions, which are matched with the aerogel pad.

[0009] The lithium battery group inter-buffer pad containing the fire-retardant microcapsule has the following beneficial effects: through cooperation between the lithium battery group, the silica gel buffer pad, the fire-retardant microcapsule, the fixing frame, the aerogel pad and the adhesive, the aerogel pad is fixed on the two sides of the silica gel buffer pad, an effective heat insulation layer can be formed between the lithium battery group and the silica gel buffer pad, the heat insulation performance of the lithium battery group inter-buffer pad is further improved, when a fire occurs in a certain lithium battery group, the sprayed flame and generated heat are effectively insulated by the aerogel pad, and through the joint action of the fire-retardant microcapsule in the silica gel buffer pad, the damage of the fire and heat to the adjacent lithium battery group can be effectively slowed down, thereby effectively prolonging the spread of the fire to the adjacent lithium battery group, further improving the stability and safety of the lithium battery group, and more sufficient fire extinguishing or escape time can be provided for personnel.

[0010] Through cooperation between the lithium battery group, the outer frame, the connecting belt, the fixing clamps, the first teeth and the second teeth, the lithium battery group is sleeved into the outer frame on the side close to the silica gel buffer pad, the connecting belt of one side of the outer frame is inserted into the fixing clamps of the other side of the outer frame, and the connecting belt is limited on the outside of the silica gel buffer pad through mutual engagement and fixation between the first teeth and the second teeth, thereby ensuring the stability of the silica gel buffer pad and the aerogel pad between the lithium battery group, avoiding displacement of the silica gel buffer pad and the aerogel pad during transportation or use, and effectively protecting the lithium battery group from damage caused by collision or extrusion. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is an appearance schematic view of the silica gel buffer pad, the fixing groove and the buffer cavity in the utility model;

[0013] Figure 3 It is an appearance schematic view of the fixing frame, the aerogel pad and the adhesive in the utility model;

[0014] Figure 4 It is Figure 1 It is a local enlarged view of the A area in the utility model;

[0015] Figure 5 It is Figure 1 It is a local enlarged view of the B area in the utility model;

[0016] Figure 6 It is Figure 2 It is a local enlarged view of the C area in the utility model.

[0017] In the figure: 1, lithium battery pack; 2, silica gel buffer pad; 3, flame-retardant microcapsule; 4, fixed frame; 5, aerogel pad; 6, adhesive; 7, outer frame; 8, connecting belt; 9, fixed card; 10, first tooth; 11, second tooth; 12, buffer cavity; 13, convex strip; 14, fixed groove; 15, abutting protrusion. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] In the prior art, the inter-battery buffer pad has certain flame-retardant properties, but when a lithium battery catches fire, the flame often presents a jetting form, which is easy to break through the inter-battery buffer pad, causing the fire to spread to other lithium battery packs, and failing to provide more ample fire extinguishing or escape time for personnel.

[0020] Therefore, the present application provides an inter-battery buffer pad containing flame-retardant microcapsules, which forms an effective heat insulation layer between the lithium battery pack and the silica gel buffer pad by fixing the aerogel pad on both sides of the silica gel buffer pad, further improves the heat insulation performance of the inter-battery buffer pad, effectively insulates the jetting flame and generated heat when a certain lithium battery pack catches fire, and effectively slows down the damage to the adjacent lithium battery pack by the flame and heat through the joint action of the flame-retardant microcapsules in the silica gel buffer pad, thereby effectively prolonging the spread of the fire to the adjacent lithium battery pack, further improving the stability and safety of the lithium battery pack, and providing more ample fire extinguishing or escape time for personnel.

[0021] Through the person skilled in the art, all electrical components in the case are connected to their adapted power supply through wires, and appropriate controllers and encoders should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should be completed according to the working order of each electrical component in the working principle described below. The detailed connection means is a common technology in the art, and the working principle and process are mainly introduced below, and the electrical control is not described.

[0022] By Figures 1-6It can be known that a lithium battery group buffer pad containing flame-retardant microcapsules comprises a lithium battery group 1, the lithium battery group 1 is composed of a plurality of lithium batteries, a power supply system composed of a plurality of lithium battery groups 1 supplies power to equipment, a silica gel buffer pad 2 is arranged on the side close to each other of two lithium battery groups 1, flame-retardant microcapsules 3 are embedded in the silica gel buffer pad 2 at equal intervals, an aerogel pad 5 is arranged on the side close to the lithium battery group 1 of the silica gel buffer pad 2, a fixed frame 4 is arranged on the outer side of the aerogel pad 5, and the fixed frame 4 is fixedly connected with the silica gel buffer pad 2 through adhesive 6;

[0023] In the specific implementation process, it is worth pointing out that the lithium battery group 1 is composed of a plurality of lithium batteries, a power supply system composed of a plurality of lithium battery groups 1 supplies power to equipment, through the cooperation between the silica gel buffer pad 2 and the flame-retardant microcapsules 3, the silica gel buffer pad 2 is made of silica gel material and uniformly added with flame-retardant microcapsules 3 and reinforcing fibers inside according to a certain proportion, so that the silica gel buffer pad 2 has excellent flame-retardant performance while keeping the original flexibility and impact resistance, when a fire occurs in the lithium battery, the flame-retardant microcapsules 3 rapidly decompose at high temperature and release flame retardants, the flame retardants and other components in the silica gel buffer pad 2 jointly form a fireproof layer to slow down the spread speed of the fire, through the cooperation between the silica gel buffer pad 2, the fixed frame 4, the aerogel pad 5 and the adhesive 6, the fixed frame 4 is made of metal or other fireproof materials to stably support the aerogel pad 5, and the aerogel pad 5 is fixed on both sides of the silica gel buffer pad 2 through the adhesive 6, through the cooperation between the lithium battery group 1, the silica gel buffer pad 2, the flame-retardant microcapsules 3, the fixed frame 4, the aerogel pad 5 and the adhesive 6, the aerogel pad 5 is fixed on both sides of the silica gel buffer pad 2 to form an effective heat insulation layer between the lithium battery group 1 and the silica gel buffer pad 2, further improving the heat insulation performance of the lithium battery group buffer pad, when a fire occurs in a certain lithium battery group, the sprayed flame and generated heat are effectively insulated by the aerogel pad 5, and the flame-retardant microcapsules 3 in the silica gel buffer pad 2 jointly slow down the damage of the flame and heat to the adjacent lithium battery group, thereby effectively prolonging the spread of the fire to the adjacent lithium battery group, further improving the stability and safety of the lithium battery group, providing more ample time for personnel to extinguish the fire or escape, and the lithium battery group 1 does not belong to the buffer pad structure in the case, for the convenience of recording and understanding the scheme, the description is made;

[0024] Further, an outer frame 7 is connected with the outer side of the side close to the silica gel buffer pad 2 of the lithium battery group 1, the outer wall of the outer frame 7 on one side of the silica gel buffer pad 2 is provided with a connecting belt 8 at equal intervals, the outer wall of the outer frame 7 on the other side of the silica gel buffer pad 2 is provided with a fixed clasp 9 at equal intervals, the fixed clasp 9 is arranged corresponding to the connecting belt 8, the inner wall of the fixed clasp 9 is provided with a first tooth 10 at equal intervals, and the outer wall of the connecting belt 8 is provided with a second tooth 11 at equal intervals, the second tooth 11 is connected with the first tooth 10 in cooperation;

[0025] In the implementation process, it is particularly worth pointing out that through the cooperation between the lithium battery pack 1, the outer frame 7, the connecting band 8, the fixed card 9, the first tooth 10 and the second tooth 11, the lithium battery pack 1 is sleeved into the outer frame 7 on the side close to the silica gel buffer pad 2, the connecting band 8 of one side of the outer frame 7 is inserted into the fixed card 9 of the other side of the outer frame 7, the first tooth 10 and the second tooth 11 are fixed by mutual engagement, the connecting band 8 is limited outside the silica gel buffer pad 2, the stability of the silica gel buffer pad 2 and the aerogel pad 5 between the lithium battery pack 1 is ensured, displacement of the silica gel buffer pad 2 and the aerogel pad 5 during transportation or use is avoided, thereby effectively protecting the lithium battery pack 1 and preventing damage of the lithium battery pack 1 caused by collision or extrusion;

[0026] Further, the inside of the silica gel buffer pad 2 is provided with a buffer cavity 12, the inner walls of the buffer cavity 12 are provided with convex strips 13 at equal distances on both sides, and the convex strip 13 on one side is arranged at intervals from the convex strip 13 on the other side.

[0027] In the implementation process, it is particularly worth pointing out that through the cooperation between the silica gel buffer pad 2, the buffer cavity 12 and the convex strip 13, the buffer cavity 12 is arranged inside the silica gel buffer pad 2, and the convex strip 13 forms support and limitation in the buffer cavity 12, so that when the silica gel buffer pad 2 is subjected to external impact, the impact force can be effectively dispersed and absorbed, and at the same time, large deformation of the silica gel buffer pad 2 is avoided, thereby improving the buffering effect on the lithium battery pack 1.

[0028] Further, the outer walls of the silica gel buffer pad 2 are provided with fixed grooves 14 on both sides, and the adhesive 6 is arranged inside the fixed grooves 14.

[0029] In the implementation process, it is particularly worth pointing out that through the cooperation between the silica gel buffer pad 2, the fixed frame 4, the adhesive 6 and the fixed groove 14, the fixed frame 4 is pasted inside the fixed groove 14, thereby improving the stability between the silica gel buffer pad 2 and the aerogel pad 5, and preventing displacement of the aerogel pad 5 when subjected to external impact.

[0030] Further, both sides of the silica gel buffer pad 2 are provided with abutting protrusions 15, and the abutting protrusions 15 are connected with the aerogel pad 5.

[0031] In the implementation process, it is particularly worth pointing out that through the cooperation between the silica gel buffer pad 2, the aerogel pad 5 and the abutting protrusion 15, when the aerogel pad 5 is fixed on both sides of the silica gel buffer pad 2, the abutting protrusion 15 forms abutting support for the aerogel pad 5, thereby ensuring that the connection between the aerogel pad 5 and the silica gel buffer pad 2 is more compact, and when subjected to external impact, the silica gel buffer pad 2 can effectively absorb and disperse the impact force.

[0032] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0033] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connecting" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above terms in the present application can be understood according to the specific meaning of the above terms by the person skilled in the art according to the specific circumstances.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lithium battery intercell cushion containing flame-retardant microcapsules, comprising a lithium battery pack (1), characterized in that: Two said lithium battery (1) are close to each other one side is provided with silica gel buffer pad (2), the inside of silica gel buffer pad (2) is embedded with fire -retardant microcapsule (3) equidistantly, the side of silica gel buffer pad (2) is provided with aerogel pad (5) close to lithium battery (1), the outside of aerogel pad (5) is provided with fixed frame (4), fixed frame (4) is fixedly connected with silica gel buffer pad (2) by adhesive (6).

2. The lithium battery intercalary cushion containing flame-retardant microcapsules according to claim 1, characterized in that: The side of the lithium battery (1) close to the silica gel buffer pad (2) is connected with the outer frame (7) on the outside, the outer wall of the outer frame (7) on one side of the silica gel buffer pad (2) is provided with the connecting belt (8) equidistantly, the outer wall of the outer frame (7) on the other side of the silica gel buffer pad (2) is provided with the fixed card (9) equidistantly, the fixed card (9) is provided correspondingly with the connecting belt (8), the inner wall of the fixed card (9) is provided with the first tooth (10) equidistantly, the outer wall of the connecting belt (8) is provided with the second tooth (11) equidistantly, the second tooth (11) is connected with the first tooth (10).

3. The lithium battery intercalary cushion containing flame-retardant microcapsules according to claim 1, characterized in that: The inside of the silica gel buffer pad (2) is provided with the buffer cavity (12), the inner wall of the buffer cavity (12) is provided with the convex strip (13) equidistantly on both sides, the convex strip (13) on one side is provided with the convex strip (13) on the other side.

4. The lithium battery intercalating cushioning pad containing flame-retardant microcapsules according to claim 1, characterized in that: The outer wall of the silica gel buffer pad (2) is provided with the fixed groove (14) on both sides, and the adhesive (6) is arranged in the fixed groove (14).

5. The lithium battery intercalary cushion containing flame-retardant microcapsules according to claim 1, characterized in that: The two sides of the silica gel buffer pad (2) are provided with the abutting protrusion (15), and the abutting protrusion (15) is connected with the aerogel pad (5).

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