Fire-fighting isolation awning device for electric automobile

Abstract

The invention discloses an electric automobile fire-fighting isolation awning device which comprises an awning body and a supporting frame, the supporting frame is telescopically arranged outside the awning body, when the supporting frame is pushed to retract, the awning body is driven to retract and be stored, and when the supporting frame is pushed to be unfolded, the awning body is driven to be unfolded. The awning body is supported to cover the automobile. The awning main body obstructs oxygen and inhibits flame spreading through a multi-layer fireproof material and a totally-enclosed design, and is especially suitable for lithium battery thermal runaway fire.

Description

Technical Field

[0001] The present invention relates to the technical field of fire-fighting equipment, and in particular to a fire-fighting isolation canopy device for an electric vehicle. Background Art

[0002] With the increasing popularity of electric vehicles, fires caused by thermal runaway of their batteries have become increasingly common. Electric vehicle fires are characterized by intense combustion, a high risk of re-ignition, and difficulty in extinguishing. Traditional firefighting equipment (such as dry powder extinguishers) struggles to effectively control fires, and internal chemical reactions within the batteries can lead to secondary explosions.

[0003] In the prior art, some solutions propose intervention through automatic fire extinguishing systems or on-board fire fighting devices, but these may fail when the vehicle circuit is damaged or the fire spreads rapidly.

[0004] There are also the following problems:

[0005] 1. Insufficient reliability in emergency scenarios;

[0006] 2. The equipment structure is complex and the operation is cumbersome, making it difficult to complete coverage in a short time;

[0007] 3. Lack of targeted design for the fire source characteristics of electric vehicles (such as bottom battery fire and high-temperature spray). Summary of the Invention

[0008] In order to solve the problems of strong power dependence, complex operation, and low coverage efficiency existing in the existing electric vehicle fire emergency equipment, the purpose of the present invention is to provide an electric vehicle fire isolation canopy device, which blocks the oxygen supply and suppresses the spread of fire through physical isolation.

[0009] The purpose of the present invention is achieved through the following technical solutions.

[0010] An electric vehicle fire isolation canopy device includes a canopy body and a support frame. The support frame is retractably arranged outside the canopy body. When the support frame is pushed to retract, the canopy body is driven to retract and store. When the support frame is pushed to expand, the canopy cover is driven to expand, and is used to support the canopy body to cover the vehicle.

[0011] The support frame includes two groups of folding support units and folding support links, the folding support links are hinged between the tops of the two groups of folding support units, the two groups of folding support units are symmetrical along the vertical center plane in the width direction of the automobile body, each group of folding support units includes two foldable support frames, and the two foldable support frames are symmetrical along the vertical center plane in the length direction of the automobile body, the foldable support frame includes a bottom support rod, a vertical support rod and a middle support rod, one end of the bottom support rod, one end of the vertical support rod and one end of the middle support rod are hinged by a hinge plate The folding supports are connected together, and a universal wheel is installed at the bottom of the hinge point. The free ends of the two bottom support rods on each group of folding support units are connected by a first transverse folding link, and the free ends of the two bottom support rods are connected to the bottom edge of the canopy body. The free ends of the two middle support rods on each group of folding support units are connected by a second transverse folding link, and the free ends of the two middle support rods are connected to the middle of the outer surface of the canopy body. The free ends of the two vertical support rods on each group of folding support units are connected by a third transverse folding link, and the free ends of the two vertical support rods are connected to the top of the canopy body.

[0012] In the above technical solution, the first transverse folding link includes two first links and two second links, one end of the two first links is hinged, and the other end is fixed to the free end of different bottom support rods, one end of the two second links is hinged, and the other end is slidably installed on different bottom support rods, and the first connecting rod and the second connecting rod are hinged together at the middle of the intersection.

[0013] In the above technical solution, the second transverse folding link has the same structure as the first transverse folding link, that is, one end of the two first links is hinged, and the other end is fixed to the free end of different middle support rods, one end of the two second links is hinged, and the other end is slidably installed on different middle support rods, and the first connecting rod and the second connecting rod are cross-hinged together in the middle.

[0014] In the above technical solution, the third transverse folding link has the same structure as the first transverse folding link, that is, one end of the two first links is hinged, and the other end is fixed to the top of different vertical support rods, one end of the two second links is hinged, and the other end is slidably installed on different vertical support rods, and the first connecting rod and the second connecting rod are hinged together in the middle of the intersection.

[0015] In the above technical solution, the folding support link includes two fourth longitudinal folding links, one fifth longitudinal folding link and an intermediate transverse folding link, wherein one fourth longitudinal folding link is arranged between the tops of the two vertical support rods of the two groups of folding support units, and the other fourth longitudinal folding link is arranged between the tops of the other two vertical support rods of the two groups of folding support units. The fifth longitudinal folding link is located between the two fourth longitudinal folding links, and the intermediate transverse folding link is arranged in the middle of the folding support link.

[0016] In the above technical solution, the fourth longitudinal folding link has the same structure as the first transverse folding link, that is, it includes two first links and two second links, one end of the two first links is hinged to form a first hinge point, and the other end is fixed to the top of different vertical support rods, one end of the two second links is hinged to form a second hinge point, and the other end is slidably installed on different vertical support rods.

[0017] In the above technical solution, the structure of the fifth longitudinal folding link is the same as that of the first transverse folding link, both of which include two first links and two second links. One end of the two first links is hinged together to form a third hinge point, and the other end is hinged to the hinge points of the two second links on the third transverse folding link. One end of the two second links is hinged to form a fourth hinge point, and the other end is hinged to the hinge points of the two first links on the third transverse folding link.

[0018] In the above technical solution, the intermediate folding link includes a first rod, a second rod, a third rod and a fourth rod, wherein the second hinge point of one fourth longitudinal folding link is hinged to the third hinge point through the first rod, and its first hinge point is hinged to the fourth hinge point through the second rod, and the first hinge point of another fourth longitudinal folding link is hinged to the fourth hinge point through the fourth rod, and its second hinge point is hinged to the third hinge point through the third rod.

[0019] In the above technical solution, the bottom support rod and the middle support rod on each foldable support frame on one group of folding support units are hinged together by two third short rods hinged to each other, and the middle support rod and the vertical support rod are hinged together by a fourth short rod; the bottom support rod and the middle support rod on each foldable support frame on another group of folding support units are hinged together by two fourth short rods hinged to each other, and the middle support rod and the vertical support rod are hinged together by two fourth short rods hinged to each other.

[0020] In the above technical solution, a hook is installed on the upper part of each vertical support rod for connecting the canopy body.

[0021] In the above technical solution, two handles are arranged on the second horizontal folding link of a group of folding support units through vertical rods, a hook is installed on each vertical support rod, and a convex column is arranged on the bottom support rod corresponding to each vertical support rod. When the entire device is folded and stored, the hook can be hung on the convex column.

[0022] The advantages and beneficial effects of the present invention are:

[0023] 1. The present invention can effectively isolate fire sources: The canopy body of the present invention uses multiple layers of fireproof materials and a fully enclosed design to block oxygen and inhibit the spread of flames, making it particularly suitable for lithium battery thermal runaway fires.

[0024] 2. The support frame of the present invention does not require electricity or mechanical power. A single person can quickly unfold the entire device to meet the needs of emergency scenarios by pushing the support frame. The support frame can also be pushed to quickly fold and store the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Schematic diagram of the overall structure of the device of the present invention.

[0026] Figure 2 It is a schematic diagram of the overall structure of the support frame of the present invention.

[0027] Figure 3 It is a schematic diagram of the overall structure of the canopy main body of the present invention.

[0028] Figure 4 It is a structural schematic diagram of the folding support unit of the present invention.

[0029] Figure 5 It is a schematic diagram of the folding support connecting rod structure of the present invention.

[0030] Among them, A: canopy body, B: support frame, 1: folding support unit, 11: foldable support frame, 110: bottom support rod, 111: middle support rod, 112: vertical support rod, 113: hinged plate, 114: universal wheel, 115: third short rod, 116: fourth short rod, 12: folding link group, 120: first transverse folding link, 1201: first link, 1202: second link, 121: second transverse folding link, 122: third transverse folding link, 2: folding support link, 21: fourth longitudinal folding link, 210: first hinge point, 211: second hinge point, 22: fifth longitudinal folding link, 220: third hinge point, 221: fourth hinge point, 23: first rod, 24: second rod, 25: third rod, 26: fourth rod, C: handle, D: locking mechanism. DETAILED DESCRIPTION

[0031] The technical solution of the present invention is further described below with reference to specific embodiments.

[0032] Example 1

[0033] A fire isolation canopy device for an electric vehicle includes a canopy body A and a support frame B. The support frame B is retractably arranged on the outside of the canopy body A. When the support frame B is pushed inward, it is linked and contracted, driving the canopy body A to shrink and be stored. When the support frame B is pulled outward, it is linked and expanded, driving the canopy body A to expand, and is used to support the canopy body A to cover the car. It should be noted that after expansion, the internal volume of the canopy body A is larger than the volume of the car to be covered.

[0034] The support frame B includes two groups of folding support units 1 and folding support links 2, the folding support links 2 are hinged between the tops of the two groups of folding support units 1, and the two groups of folding support units 1 are symmetrical along the vertical center plane in the width direction of the automobile body (that is, they are located on the front and rear opposite sides of the automobile body); each group of folding support units 1 includes two foldable support frames 11 connected by a folding link group 12, and the two foldable support frames 11 are symmetrical along the vertical center plane in the length direction of the automobile body (that is, they are located on the left and right opposite sides of the automobile body), and the foldable support frame 11 includes a bottom support rod 110, a vertical support rod 112 and a middle support rod 111, one end of the bottom support rod 110, one end of the vertical support rod 112 and one end of the middle support rod 111 are hinged together by a hinge plate 113, and a universal wheel 114 is installed at the bottom of the hinge point; the folding link group 12 includes a first transverse folding link 120, a second transverse folding link 121 and a third transverse folding link 122, the first transverse folding link is arranged between the free ends of two mutually parallel bottom support rods 110 (that is, two bottom support rods 110 located on one side of the vertical center plane in the width direction of the vehicle body, and the two bottom support rods 110 can be folded along the width direction of the vehicle body) on each group of folding support units 1, and the free ends of the two bottom support rods 110 are connected to the bottom edge of the canopy main body A; the second transverse folding link 121 is arranged between the free ends of two mutually parallel middle support rods 111 on each group of folding support units 1, and the free ends of the two middle support rods 111 are connected to the middle of the outer surface of the canopy main body A; the third transverse folding link 122 is arranged between the free ends of two mutually parallel vertical support rods 112 on each group of folding support units 1, and the free ends of the two vertical support rods 112 are connected to the top of the canopy main body A. Based on this, the two bottom support rods 110 and the two middle support rods 111 on each group of folding support units 1 are respectively pushed to rotate around the hinged plate 113 and approach the vertical support rod 112 until the bottom support rod 110, the middle support rod 111 and the vertical support rod 112 of each foldable support frame 11 are parallel to each other and are in a vertical state (in this process, the bottom support rod 110, the middle support rod 111 and the vertical support rod 112 drive the canopy body A to move closer to the vertical support rod 112), pushing the two foldable support rods on each group of folding support units 1 The support frames 11 move toward each other, and the first transverse folding link 120, the second transverse folding link 121 and the third transverse folding link 122 are folded respectively until the two foldable support frames 11 on each group of folding support units 1 are close to and parallel (in this process, the canopy body A between the two foldable support frames shrinks), and the folding support link 2 is continued to be pushed to make the two groups of folding support units 1 move toward each other and close to each other (in this process, the canopy body A between the two groups of folding support units 1 shrinks), and finally the folding and storage of the entire device is achieved.

[0035] Furthermore, the first transverse folding link 120 includes two first links 1201 and two second links 1202. One end of the two first links 1201 is hinged, and the other end is fixed to the free end of different bottom support rods 110. One end of the two second links 1202 is hinged, and the other end is slidably mounted on different bottom support rods 110. The first and second connecting rods are hinged together at the middle of each intersection. Based on this, when the two bottom support rods 110 move closer to each other, the two first links 1201 move closer to each other around the hinge point at their ends, and the two second links 1202 move one end away from the free end of the bottom support rod 110, and the other end moves closer to each other around the hinge point at which they intersect.

[0036] Furthermore, the second transverse folding link 121 has the same structure as the first transverse folding link 120, that is, one end of the two first links 1201 is hinged, and the other end is fixed to the free end of different middle support rods 111, and one end of the two second links 1202 is hinged, and the other end is slidably installed on different middle support rods 111, and the first connecting rod and the second connecting rod are cross-hinged together in the middle.

[0037] Furthermore, the third transverse folding link 122 has the same structure as the first transverse folding link 120, that is, one end of the two first links 1201 is hinged, and the other end is fixed to the free end (that is, the top end) of different vertical support rods 112, and one end of the two second links 1202 is hinged, and the other end is slidably installed on different vertical support rods 112, and the first connecting rod and the second connecting rod are hinged together at the middle of the intersection.

[0038] Furthermore, the folding support link 2 includes two fourth longitudinal folding links 21, a fifth longitudinal folding link 22 and an intermediate transverse folding link, wherein the intermediate transverse folding link includes a first rod 23, a second rod 24, a third rod 25 and a fourth rod 26, a fourth longitudinal folding link 21 is arranged between the tops of the two vertical support rods 112 of the two groups of folding support units 1, another fourth longitudinal folding link 21 is arranged between the tops of the other two vertical support rods 112 of the two groups of folding support units 1, and the fourth longitudinal folding link 2 1 can be folded along the length direction of the vehicle body, and the fifth longitudinal folding link 22 is located between the two fourth longitudinal folding links 21; the structure of the fourth longitudinal folding link 21 is the same as that of the first transverse folding link 120, that is, it includes two first links 1201 and a second link 1202, one end of the two first links 1201 is hinged to form a first hinge point 210, and the other end is fixed to the top of different vertical support rods 112, and one end of the two second links 1202 is hinged to form a second hinge point 211, and the other end is slidably installed on different vertical support rods. On the support rod 112, the structure of the fifth longitudinal folding link 22 is the same as that of the first transverse folding link 120, and both include two first links 1201 and two second links 1202. One end of the two first links 1201 is hinged together to form a third hinge point 220, and the other end is hinged to the hinge point of the two second links 1202 on the third transverse folding link 122. One end of the two second links 1202 is hinged to form a fourth hinge point 221, and the other end is hinged to the two first links on the third transverse folding link 122. 1201 hinge points; the second hinge point 211 of one of the fourth longitudinal folding links 21 is hinged to the third hinge point 220 through the first rod 23, and its first hinge point 210 is hinged to the fourth hinge point 221 through the second rod 24, and the first hinge point 210 of the other fourth longitudinal folding link 21 is hinged to the fourth hinge point 221 through the fourth rod 26, and its second hinge point 211 is hinged to the third hinge point 220 through the third rod 25, the first rod 23 and the second rod 24 are hinged in the middle, and the third rod 25 and the fourth rod 26 are hinged in the middle.

[0039] Further, the bottom support rod 110 and the middle support rod 111 of each foldable support frame 11 in one set of folding support units 1 are hinged together by two third short rods 115 hinged to each other, and the middle support rod 111 and the vertical support rod 112 are hinged together by a fourth short rod 116, one end of which is slidingly installed on the vertical support rod 112 by a sliding sleeve, and the end is hinged to the sliding sleeve, and the other end of the fourth short rod 116 is hinged to the middle support rod 111, and the bottom support rod 110 and the middle support rod 111 of each foldable support frame 11 in another set of folding support units 1 are hinged together by two fourth short rods 116 hinged to each other, and the middle support rod 111 and the vertical support rod 112 are hinged together by two fourth short rods 116 hinged to each other.

[0040] Further, a hook is installed on the upper part of each vertical support rod 112 for connecting the canopy body A.

[0041] Further, two handles C are respectively arranged on the second transverse folding connecting rod 121 of one set of folding support units 1 by vertical rods, a hook is installed on each vertical support rod 112, and a protruding column (not shown in the figure) is arranged on the bottom support rod 110 corresponding to the vertical support rod 112, when the entire device is folded and stored, the hook can be hung on the protruding column to maintain the folded state of the entire device, and each hook and protruding column constitutes a locking mechanism D.

[0042] It should be noted that although the first transverse folding connecting rod 120, the second transverse folding connecting rod 121, the third transverse folding connecting rod 122 and the fourth longitudinal folding connecting rod 21 all include two first connecting rods 1201 and two second connecting rods 1202, the lengths of the first connecting rod 1201 and the second connecting rod 1202 on the fourth longitudinal folding connecting rod 21 are the same as or different from those of the other three kinds of folding connecting rods, and the end portions of the two first connecting rods 1201 are hinged together by a U-shaped slot, or are hinged together by two U-shaped slots integrally formed opposite to each other, or the end portions of the two first connecting rods 1201 are hinged together by a rotating shaft, and the hinging modes of the end portions of the two second connecting rods are the same as those of the first connecting rods 1201, which will not be described here.

[0043] In this embodiment, an angle steel hinge or other components that can realize the hinging of the end portions of four rods together can also be arranged at the hinging points.

[0044] Further, the canopy body A is made of multiple layers of fireproof material, a high-temperature-resistant transparent observation window is arranged on the top, and a temperature sensor and an alarm indicator light are arranged on the inner side for real-time monitoring of fire.

[0045] The above has made the exemplary description to the present application, should indicate that, in not departing from the core of the present application, any simple change, modification or other field technicians can not spend the equivalent replacement of creative labor falls into the protection scope of the present application.

Claims

1. An electric vehicle fire isolation canopy device, characterized in that: The canopy comprises a main body and a support frame, wherein the support frame is retractably arranged outside the main body of the canopy. When the support frame is pushed to retract, the main body of the canopy is driven to retract and store. When the support frame is pushed to expand, the canopy cover is driven to expand, and is used to support the main body of the canopy to cover the car. The support frame includes two groups of folding support units and folding support links, the folding support links are hinged between the tops of the two groups of folding support units, the two groups of folding support units are symmetrical along the vertical center plane in the width direction of the automobile body, each group of folding support units includes two foldable support frames, and the two foldable support frames are symmetrical along the vertical center plane in the length direction of the automobile body, the foldable support frame includes a bottom support rod, a vertical support rod and a middle support rod, one end of the bottom support rod, one end of the vertical support rod and one end of the middle support rod are hinged by a hinge plate The folding supports are connected together, and a universal wheel is installed at the bottom of the hinge point. The free ends of the two bottom support rods on each group of folding support units are connected by a first transverse folding link, and the free ends of the two bottom support rods are connected to the bottom edge of the canopy body. The free ends of the two middle support rods on each group of folding support units are connected by a second transverse folding link, and the free ends of the two middle support rods are connected to the middle of the outer surface of the canopy body. The free ends of the two vertical support rods on each group of folding support units are connected by a third transverse folding link, and the free ends of the two vertical support rods are connected to the top of the canopy body.

2. The electric vehicle fire protection isolation canopy device according to claim 1, characterized in that: The first transverse folding link includes two first links and two second links, one end of the two first links is hinged, and the other end is fixed to the free end of different bottom support rods, one end of the two second links is hinged, and the other end is slidably installed on different bottom support rods, and the first connecting rod and the second connecting rod are hinged together at the middle of the intersection.

3. The electric vehicle fire protection isolation canopy device according to claim 1, characterized in that: The second transverse folding link has the same structure as the first transverse folding link, that is, one end of the two first links is hinged, and the other end is fixed to the free end of different middle support rods, one end of the two second links is hinged, and the other end is slidably installed on different middle support rods, and the first connecting rod and the second connecting rod are cross-hinged together in the middle.

4. The electric vehicle fire protection isolation canopy device according to claim 1, characterized in that: The structure of the third transverse folding link is the same as that of the first transverse folding link, that is, one end of the two first links is hinged, and the other end is fixed to the top of different vertical support rods; one end of the two second links is hinged, and the other end is slidably installed on different vertical support rods; the first connecting rod and the second connecting rod are hinged together at the middle of the intersection.

5. The electric vehicle fire protection isolation canopy device according to claim 1, characterized in that: The folding support link includes two fourth longitudinal folding links, a fifth longitudinal folding link and an intermediate transverse folding link, wherein one fourth longitudinal folding link is arranged between the tops of the two vertical support rods of the two groups of folding support units, and the other fourth longitudinal folding link is arranged between the tops of the other two vertical support rods of the two groups of folding support units. The fifth longitudinal folding link is located between the two fourth longitudinal folding links, and the intermediate transverse folding link is arranged in the middle of the folding support link.

6. The electric vehicle fire protection isolation canopy device according to claim 2, characterized in that: The fourth longitudinal folding link has the same structure as the first transverse folding link, that is, it includes two first links and two second links, one end of the two first links is hinged to form a first hinge point, and the other end is fixed to the top of different vertical support rods, one end of the two second links is hinged to form a second hinge point, and the other end is slidably installed on different vertical support rods.

7. The electric vehicle fire protection isolation canopy device according to claim 6, characterized in that: The structure of the fifth longitudinal folding link is the same as that of the first transverse folding link, both of which include two first links and two second links. One end of the two first links is hinged together to form a third hinge point, and the other end is hinged to the hinge points of the two second links on the third transverse folding link. One end of the two second links is hinged to form a fourth hinge point, and the other end is hinged to the hinge points of the two first links on the third transverse folding link.

8. The electric vehicle fire protection isolation canopy device according to claim 7, characterized in that: The intermediate folding link includes a first rod, a second rod, a third rod and a fourth rod, wherein the second hinge point of one fourth longitudinal folding link is hinged to the third hinge point through the first rod, and its first hinge point is hinged to the fourth hinge point through the second rod, and the first hinge point of another fourth longitudinal folding link is hinged to the fourth hinge point through the fourth rod, and its second hinge point is hinged to the third hinge point through the third rod.

9. The electric vehicle fire protection isolation canopy device according to claim 1, characterized in that: The bottom support rod and the middle support rod on each foldable support frame on one group of folding support units are hinged together by two third short rods hinged to each other, and the middle support rod and the vertical support rod are hinged together by a fourth short rod. The bottom support rod and the middle support rod on each foldable support frame on the other group of folding support units are hinged together by two fourth short rods hinged to each other, and the two fourth short rods hinged to each other between the middle support rod and the vertical support rod are hinged together.

10. The electric vehicle fire protection isolation canopy device according to claim 1, characterized in that: A hook is installed on the upper part of each vertical support rod for connecting the canopy body.

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