CN219321465U

CN219321465U - Fireproof heat-insulating shield sleeve for new energy automobile battery box

Info

Publication number: CN219321465U
Application number: CN202320627007.0U
Authority: CN
Inventors: 谢秋鑫; 邓焕伟; 覃景
Original assignee: Shenzhen Naneng Technology Co ltd
Current assignee: Shenzhen Naneng Technology Co ltd
Priority date: 2023-03-25
Filing date: 2023-03-25
Publication date: 2023-07-07
Anticipated expiration: 2033-03-25

Abstract

The application discloses new energy automobile battery box is with fire prevention heat-proof shield cover relates to firing equipment's technical field, including the shield cover body, the shield cover body is including flame retardant coating, insulating layer and the temperature resistant layer that connects gradually, the shield cover body includes one end open-ended shielding chamber, the shield cover body has been laid the location band group on keeping away from the lateral wall of opening one end. The novel energy automobile pool box fire safety performance improvement method has the effect of improving safety performance of the novel energy automobile pool box after fire.

Description

Fireproof heat-insulating shield sleeve for new energy automobile battery box

Technical Field

The application relates to the technical field of fireproof equipment, in particular to a fireproof heat-insulating cover for a new energy automobile battery box.

Background

In recent years, with the continuous increase of the number of new energy automobiles in China, the frequency of fire accidents of the new energy automobiles is increased year by year, and the life and property safety of drivers is seriously endangered. The fire of the new energy automobile mainly causes the fire of the battery box due to severe conditions such as overcharge, extrusion, collision, wading and the like of the battery, and causes the fire and even explosion of the new energy automobile.

In a fire accident of a new energy automobile, although the flame temperature of the lithium ion battery is lower when the lithium ion battery burns, after the battery fires are completely extinguished, the temperature of the battery is not quickly reduced to a safe level, and heat is easily transferred to nearby inflammables, so that the fire situation is more complex, and the fire extinguishing burden of firefighters is increased.

Disclosure of Invention

In order to improve the security performance of new energy automobile battery box after fire, this application provides a new energy automobile battery box with fire prevention thermal-insulated cover.

The application provides a new energy automobile battery box is with fire prevention heat-proof shield cover adopts following technical scheme:

the utility model provides a new energy automobile battery box is with fire prevention heat insulating shield cover, includes the shield cover body, the shield cover body is including flame retardant coating, insulating layer and the temperature resistant layer that connects gradually, the shield cover body includes one end open-ended shielding chamber, the shield cover body has laid the location tie group on keeping away from the lateral wall of opening one end.

By adopting the technical scheme, the shielding sleeve body comprises the fireproof layer, the heat insulation layer and the temperature resistant layer, so that the shielding sleeve body has stronger fireproof performance, and the loss caused by fire of the battery box can be effectively reduced; one end of the shielding sleeve body is opened, and an operator can directly sleeve the shielding sleeve body on the battery box; the outer side wall of the shielding sleeve body is provided with a positioning binding band group, and the positioning binding band group is used for binding with a rod piece in an automobile so as to reduce the possibility that the shielding sleeve body is separated from the battery box in the moving process of the automobile.

Optionally, be provided with the powder storage package on the shielding chamber inside wall, be provided with the feed inlet that can open and shut on the powder storage package.

Through adopting above-mentioned technical scheme, powder storage package is used for depositing the powder of putting out a fire, and after the battery box catches fire, powder storage package is nearest from the battery box, destroys the back with powder storage package when the high temperature, and the fire extinguishing agent in the storage package spills, carries out the primary fire extinguishing treatment to the battery box to reduce firefighter's the degree of difficulty of putting out a fire.

Optionally, the shielding cover body include the terminal surface fire proof sheet with set up in the fire proof sheet group encircles of terminal surface fire proof sheet week side, encircle the fire proof sheet group including set up relatively in the first fire proof sheet of terminal surface fire proof sheet both sides, and set up relatively in the second fire proof sheet of terminal surface fire proof sheet other both sides, just first fire proof sheet with the connection can be dismantled to the second fire proof sheet, just the shielding chamber by first fire proof sheet, second fire proof sheet reaches the terminal surface fire proof sheet connects and forms.

Through adopting above-mentioned technical scheme, the shielding cover body is formed by terminal surface fire proof sheet and encircle fire proof sheet group connection, when needs transportation shielding cover body, can be with encircle the fire proof sheet and expand so that the shielding cover body is the slice to reduce the area of shielding cover body, be convenient for accomodate.

Optionally, the first fire proof piece both sides all are provided with the connection bandage, the second fire proof piece both sides all are provided with because the fixed go-between of connection bandage position.

Through adopting above-mentioned technical scheme, when needs establish the cover on the battery box with shielding case body cover, fold first fire proof piece and second fire proof piece to perpendicular to terminal surface fire proof piece, pass the go-between with the connection bandage that is located on the first fire proof piece again, be fixed in the go-between of adjacent second fire proof piece with the connection bandage again for first fire proof piece is fixed with the second fire proof piece connection, and first fire proof piece, second fire proof piece and terminal surface fire proof piece form the shielding chamber together.

Optionally, be provided with the magic group on the connection tie, the magic group including set up in hook face magic subsides and the mao face magic subsides of connection tie same one side, hook face magic subsides are used for bonding fixedly with mao face magic subsides.

Through adopting above-mentioned technical scheme, be provided with the magic group on the connection tie, can directly paste the face magic of constructing and be connected with the second magic subsides after the connection tie passes the connecting pipe to make first fire prevention piece and second fire prevention piece link up, easy operation.

Optionally, an elastic tensile section is arranged on the connecting binding belt.

Through adopting above-mentioned technical scheme, the elasticity tensile section on the connection tie has strengthened the tensile properties of connection tie, and after the battery box catches fire inflation deformation, connection tie can stretch in the range of motion, is difficult for breaking away from the go-between.

Optionally, the first fireproof sheet is provided with an avoidance hole, and the second fireproof sheet is provided with a through hole.

Through adopting above-mentioned technical scheme, dodge the hole and the seting up of through hole and be used for dodging convex part on the battery box for shielding cover body inside wall can closely laminate with the battery box.

Optionally, the locating bandage group is including connecting in a plurality of locating bandages on the terminal surface fire proof sheet, also be provided with on the locating bandage strip the magic is pasted the group, first fire proof sheet with all be provided with on the second fire proof sheet with the locating ring of locating bandage one-to-one, the locating ring is used for fixing the position of locating bandage.

Through adopting above-mentioned technical scheme, when installing the battery box that the cover had the shield cover body in the car, the member in the car is walked around with the location bandage, makes the magic subsides on the location bandage laminate fixedly after wearing to establish the holding ring again to realized the position fixing of shield cover body in the car inside, reduced the possibility that the shield cover body breaks away from the battery box.

Optionally, the fireproof layer is made of ceramic fiber cotton with the thickness not less than 6 mm.

By adopting the technical scheme, the ceramic fiber has low thermal conductivity, so that the fireproof layer has an efficient heat insulation function.

Optionally, the thermal insulation layer is made of aerogel thermal insulation material with a thickness of not less than 10 mm.

Through adopting above-mentioned technical scheme, aerogel coefficient of heat conductivity is low, and heat insulating properties is good, can strengthen the heat insulating properties of shielding cover body.

In summary, the present application includes at least one of the following beneficial effects:

1. the outer side wall of the shielding sleeve body is provided with a positioning binding group, and the positioning binding group is matched with the positioning ring, so that the shielding sleeve body can be bound on a rod piece of the battery box of the automobile, and the possibility that the shielding sleeve body is separated from the battery box during running of the automobile is reduced;

2. the shielding sleeve body comprises a fireproof sheet on the end face, a first fireproof sheet and a second fireproof sheet, wherein the first fireproof sheet and the second fireproof sheet are arranged on the periphery of the end face and are detachably connected, and a shielding cavity can be formed between the first fireproof sheet and the second fireproof sheet after the first fireproof sheet and the second fireproof sheet are connected;

3. the connection can be dismantled through go-between and connection bandage between first fire proof piece and the second fire proof piece, be provided with elasticity tensile section in the middle of the connection bandage, strengthened the tensile properties of connection bandage, after the battery box catches fire expansion deformation, the connection bandage can stretch in the movable range, is difficult for breaking away from the go-between to improved the connection stability between first fire proof piece and the second fire proof piece.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

fig. 2 is a schematic view of an expanded structure of a shield body according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic view showing the overall structure of the installation position of the powder storage pack according to the embodiment of the present application;

fig. 5 is a schematic view of a layer structure of a shielding sleeve body according to an embodiment of the present application.

Reference numerals illustrate: 1. a shield body; 11. a fire-blocking layer; 12. a thermal insulation layer; 13. a temperature resistant layer; 14. a shielding cavity; 15. end face fireproof sheets; 16. surrounding the fire protection sheet set; 161. a first fire protection sheet; 1611. avoidance holes; 162. a second fire protection sheet; 1621. a through hole; 1622. an avoidance groove; 17. a seam shielding sheet; 2. positioning a binding group; 21. positioning the binding band; 3. a powder storage bag; 31. a zipper; 4. connecting a binding band; 41. a tensile section; 5. a connecting ring; 6. a magic tape set; 61. hook-face magic tape; 62. a rough surface magic tape; 7. and a positioning ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a new energy automobile battery box is with fire prevention heat-insulating shield cover, refer to fig. 1 and 2, and fire prevention heat-insulating shield cover includes shield cover body 1, and shield cover body 1 includes terminal surface fire prevention piece 15 and integrated into one piece in the surrounding fire prevention piece group 16 of terminal surface fire prevention piece 15 week side. The end face fireproof sheet 15 is specifically rectangular, and the surrounding fireproof sheet group 16 includes two first fireproof sheets 161 and two second fireproof sheets 162, wherein the two first fireproof sheets 161 are respectively located at two opposite sides of the end face fireproof sheet 15, and the two second fireproof sheets 162 are respectively located at two other sides of the end face fireproof sheet 15. Referring to fig. 1 and 3, a connection assembly is provided on a shield body 1, and includes a connection strap 4 provided on a first fireproof sheet 161 and a connection ring 5 fixed on a second fireproof sheet 162, and two connection straps 4 on each first fireproof sheet 161 are sewn at intervals. The connecting rings 5 are in one-to-one correspondence with the connecting straps 4, and in the embodiment, the hanging strips are sewn on the second fireproof sheets 162, and the connecting rings 5 are fixedly connected with the second fireproof sheets 162 by penetrating the hanging strips. The connecting bandage 4 is provided with a magic tape group 6, the magic tape group 6 comprises a hook-face magic tape 61 and a wool-face magic tape 62 which are sewn on the same side face of the connecting bandage 4, and an elastic tensile section 41 is arranged between the hook-face magic tape 61 and the wool-face magic tape 62 so as to improve the tensile performance of the connecting bandage 4.

Referring to fig. 3 and 4, the first fireproof sheet 161 and the second fireproof sheet 162 are folded, so that the first fireproof sheet 161 and the second fireproof sheet 162 are perpendicular to the end face fireproof sheet 15, and then the connection binding band 4 passes through the adjacent connection ring 5, so that the magic tape group 6 on the connection binding band 4 is attached. At this time, the first fireproof sheet 161, the second fireproof sheet 162 and the end face fireproof sheet 15 together form the shielding cavity 14 with one open end, so that the shielding sleeve body 1 can be sleeved on the battery box. When the shield case body 1 is not used, the shield case body 1 can be unfolded into a sheet shape, so that the shield case body 1 is convenient to store.

Referring to fig. 1 and 2, since there are protruding parts on the surface of the battery box, in order to make the inner sidewall of the shielding sleeve body 1 closely attach to the battery box, the first fireproof sheet 161 is provided with avoiding holes 1611, in this embodiment, two avoiding holes 1611 are spaced apart, and the shapes of the avoiding holes 1611 are different. A second fireproof sheet 162 is provided with through holes 1621, and three through holes 1621 are arranged at intervals; the second fireproof sheet 162 of the other first fireproof sheet 161 is provided with avoiding grooves 1622, and the avoiding grooves 1622 are provided with three. Gaps exist at the connection positions of the second fireproof sheet 162, in order to further increase the coverage range of the shielding sleeve body 1 to the battery box, the seam shielding sheets 17 are sewn at four vertex angles of the end face fireproof sheet 15, and the seam shielding sheets 17 are perpendicular to the end face fireproof sheet 15.

Referring to fig. 1 and 5, the shield body 1 includes a fireproof layer 11, a heat insulating layer 12, and a temperature resistant layer 13, which are bonded to each other in this order. In this embodiment the fire-resistant layer 11 is made of ceramic fibre wool with a thickness of 6mm, the thermal insulation layer 12 is made of aerogel material with a thickness of 10mm, and the temperature-resistant layer 13 is made of high silica fibre cloth with a thickness of 5 mm. The connecting straps 4 and the connecting rings 5 are both positioned on the temperature resistant layer 13.

Referring to fig. 2 and 4, a powder storage pack 3 is fixed to the surface of the end face fireproof sheet 15 located in the shielding cavity 14, and the powder storage pack 3 is sewn to the fireproof layer 11, and in this embodiment, the powder storage pack 3 is made of foam. The powder storage bag 3 is provided with a feed inlet, and a zipper 31 is sewn at the feed inlet. Operators can fill the fire extinguishing powder from the feed inlet. When the battery box is in fire, the powder storage bag 3 is damaged firstly, and the fire extinguishing powder in the powder storage bag 3 is used for primarily extinguishing the fire of the battery box.

Referring to fig. 1 and 3, a positioning strap set 2 is sewn on the outer side wall of the shield case body 1 away from the opening. The positioning strap group 2 comprises a plurality of positioning straps 21 which are arranged at intervals along the peripheral side of the end face fireproof sheet 15, and the positioning straps 21 are also fixed with the magic tape group 6. The end of the first fireproof sheet 161 and the end of the second fireproof sheet 162, which are far away from the end face fireproof sheet 15, are provided with positioning rings 7. The positioning rings 7 are in one-to-one correspondence with the positioning straps 21, and the fixing mode of the positioning rings 7 is the same as that of the connecting ring 5. After the battery box sleeved with the shielding sleeve body 1 is placed in an automobile, the positioning binding band 21 is wound on a rod piece in the automobile, and after the positioning ring 7 is penetrated, the magic tape group 6 on the positioning binding band 21 is attached and fixed, so that the position of the shielding sleeve body 1 in the automobile is fixed, and the possibility that the shielding sleeve body 1 is separated from the battery box is reduced.

The implementation principle of the fireproof heat-insulating shield for the new energy automobile battery box is as follows: the first fireproof sheet 161 and the second fireproof sheet 162 are folded, so that the second fireproof sheet 162 and the second fireproof sheet 162 are perpendicular to the end face fireproof sheet 15, and then the connecting binding band 4 on the first fireproof sheet 161 passes through the adjacent connecting ring 5, and the hook-and-loop fastener 61 and the wool-surface fastener 62 on the connecting binding band 4 are attached. The first fire-proof sheet 161 is connected to an end of the second fire-proof sheet 162 remote from the end face fire-proof sheet 15, and forms a shielding cavity 14 with one end open together with the end face fire-proof sheet 15. After the shielding sleeve body 1 is sleeved on the battery box, the battery box is placed in an automobile, the positioning binding belt 21 is wound on a rod piece in the automobile and then penetrates through the positioning ring 7, and finally the magic tape set 6 on the positioning binding belt 21 is attached and connected, so that the position of the shielding sleeve in the automobile is fixed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a new energy automobile battery box is with fire prevention heat insulating cover which characterized in that: including shield cover body (1), shield cover body (1) is including flame retardant coating (11), insulating layer (12) and the resistant layer (13) that connect gradually in proper order, shield cover body (1) includes one end open-ended shielding chamber (14), lay location tie group (2) on the lateral wall that opening one end was kept away from to shield cover body (1).

2. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 1, wherein: the powder storage bag (3) is arranged on the inner side wall of the shielding cavity (14), and an openable and closable feeding port is arranged on the powder storage bag (3).

3. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 2, wherein: the shielding sleeve body (1) comprises an end face fireproof sheet (15) and a surrounding fireproof sheet group (16) arranged on the periphery of the end face fireproof sheet (15), the surrounding fireproof sheet group (16) comprises first fireproof sheets (161) which are oppositely arranged on two sides of the end face fireproof sheet (15), and second fireproof sheets (162) which are oppositely arranged on the other two sides of the end face fireproof sheet (15), the first fireproof sheets (161) are detachably connected with the second fireproof sheets (162), and the shielding cavity (14) is formed by connecting the first fireproof sheets (161), the second fireproof sheets (162) and the end face fireproof sheets (15).

4. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 3, wherein: the fire-proof device is characterized in that connecting straps (4) are arranged on two sides of the first fire-proof sheet (161), and connecting rings (5) for fixing the positions of the connecting straps (4) are arranged on two sides of the second fire-proof sheet (162).

5. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 4, wherein: the connecting bandage (4) is provided with a magic tape group (6), the magic tape group (6) comprises a hook-face magic tape (61) and a hair-face magic tape (62) which are arranged on the same side of the connecting bandage (4), and the hook-face magic tape (61) is used for being fixedly bonded with the hair-face magic tape (62).

6. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 4, wherein: an elastic tensile section (41) is arranged on the connecting binding band (4).

7. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 3, wherein: the first fireproof sheet (161) is provided with an avoidance hole (1611), and the second fireproof sheet (162) is provided with a through hole (1621).

8. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 5, wherein: the positioning binding band group (2) comprises a plurality of positioning binding bands (21) connected to the end face fireproof sheet (15), the positioning binding bands (21) are also provided with the magic tape group (6), the first fireproof sheets (161) and the second fireproof sheets (162) are respectively provided with positioning rings (7) corresponding to the positioning binding bands (21) one by one, and the positioning rings (7) are used for fixing the positions of the positioning binding bands (21).

9. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 1, wherein: the fireproof layer (11) is made of ceramic fiber cotton with the thickness not smaller than 6 mm.

10. The fireproof heat-insulating cover for a battery box of a new energy automobile according to claim 9, wherein: the insulating layer (12) is made of aerogel insulation material having a thickness of not less than 10 mm.