Lithium battery explosion-proof box device

Abstract

The present invention discloses a lithium battery explosion-proof box device, comprising a box body and a box cover; a scissor-type lifting device is arranged in the box body, and a placement plate is arranged on the upper side of the scissor-type lifting device; a driving structure is also included, and the driving structure is used to control the scissor-type lifting device, and the driving structure is connected to a control device; by adopting the design of the built-in scissor-type lifting device in the box body, the placement plate can be raised by the scissor-type lifting device as a working platform for repairing a faulty battery pack, and the placement plate can also be lowered to serve as a packaging box for the battery pack for logistics transportation, and the structure is simple and easy to use, the lifting process is sufficiently stable, and the safety of the battery pack is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of batteries, in particular to an explosion-proof box device suitable for lithium batteries. Background Art

[0002] As a new energy source, lithium batteries are being vigorously promoted and applied in the global automobile manufacturing industry. As the number of new energy vehicles increases, the number of core battery packs that have faults and need to be returned to 4S stores for repair and the number of retired battery packs that need to be sent back to dismantling plants for dismantling will also increase.

[0003] However, due to the particularity of the internal structure of the battery pack, there is a risk of combustion and explosion when the faulty battery pack is repaired in a 4S store or during logistics transportation.

[0004] At present, 4S stores generally use conventional workbenches to repair faulty battery packs, and ordinary boxes are used for logistics transportation, neither of which has explosion-proof functions. Once the battery pack burns or explodes, the production equipment may be damaged at the least, and may cause casualties at the worst. Summary of the invention

[0005] In order to overcome the deficiencies of the prior art, the present invention provides a lithium battery explosion-proof box device, which is particularly suitable for automotive lithium battery packs.

[0006] The technical solution adopted by the present invention to solve its technical problem is: to provide a lithium battery explosion-proof box device, including a box body and a box cover; a scissor-type lifting device is arranged in the box body, and a placement plate is arranged on the upper side of the scissor-type lifting device; and also includes a driving structure, the driving structure is used to control the scissor-type lifting device, and the driving structure is connected to a control device.

[0007] According to the lithium battery explosion-proof box device provided by the present invention, a scissor-type lifting device is designed to be built into the box body. The placement plate can be raised by the scissor-type lifting device to serve as a working platform for repairing a faulty battery pack, and the placement plate can also be lowered to serve as a packaging box for the battery pack for logistics transportation. In addition, the structure is simple and easy to use, and the lifting process is sufficiently stable, which greatly improves the safety of the battery pack.

[0008] As some preferred embodiments of the present invention, an explosion-proof valve is provided on the box cover to release pressure and prevent explosion.

[0009] As some preferred embodiments of the present invention, a detector and an anti-collision cover are provided on the lower side of the box cover, and the detector is located inside the anti-collision cover.

[0010] As some preferred embodiments of the present invention, the box body includes plywood layers, and high-temperature resistant vermiculite is arranged between the plywood layers to withstand the heat energy and impact force generated by the explosion of the battery pack.

[0011] As some preferred embodiments of the present invention, the scissors-type lifting device includes an outer scissor arm, an inner scissor arm, a fixed base frame, and a movable base frame. The fixed base frame and the movable base frame are arranged in the box body. The lower side of the outer scissor arm is connected to the fixed base frame by a rotating shaft, the lower side of the inner scissor arm is connected to the movable base frame by a rotating shaft, the middle of the outer scissor arm is connected to the middle of the inner scissor arm by a rotating shaft, and the upper side of the outer scissor arm, the upper side of the inner scissor arm and the placement plate are connected by a rotating shaft.

[0012] As some preferred embodiments of the present invention, the driving structure includes a lifting transmission ball screw, the rear end of which is connected to the fixed base frame, and the lifting transmission ball screw is rotatable relative to the fixed base frame, and the middle of the lifting transmission ball screw is connected to the movable base frame through a thread.

[0013] As some preferred embodiments of the present invention, the control device includes a hand crank, and hand crank wheels and driving gears are respectively provided at both ends of the hand crank, and a driven gear is provided at the front end of the lifting transmission ball screw, and the driven gear is meshed with the driving gear.

[0014] As some preferred embodiments of the present invention, support pins are provided at the edge of the placement plate.

[0015] As some preferred embodiments of the present invention, a fire extinguishing sticker is provided on the inner side of the box body to facilitate fire extinguishing.

[0016] As some preferred embodiments of the present invention, the bottom of the box body is provided with supporting feet, and the box cover is provided with supporting foot fixing blocks to facilitate stacking and transportation of battery packs.

[0017] The beneficial effects of the present invention are:

[0018] 1. The new explosion-proof box device can be used as an operating platform for repairing faulty battery packs in 4S stores, and can also be used for logistics transportation of battery packs;

[0019] 2. When used on the working platform, if the battery pack is abnormal, there is no need to use other tools to hoist or fork the battery pack. The battery pack can be quickly explosion-proofed, which is convenient and quick to prevent safety accidents that may cause damage to production equipment and casualties;

[0020] 3. Use fire extinguishing stickers to extinguish fires in battery packs. When the temperature rises or an open flame appears, the fire can be automatically triggered to extinguish the fire without manual intervention. This fire extinguishing method is easy to install and the fire extinguishing effect is more than ten times that of dry powder water-based fire extinguishing.

[0021] 4. It has a convenient fire warning function. If the battery pack is abnormal during transportation, the alarm signal can be transmitted to the mobile phone of the transport vehicle owner in the first time to notify the owner of the emergency treatment;

[0022] 5. When used as a logistics transport box, it can easily achieve bottom lifting and top lifting, can be stacked for transportation, and has good sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Figure 1 is a stereogram of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the interior of the box of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the scissor-type lifting device in the present invention;

[0028] Figure 5 It is a schematic diagram of the structure of the placement plate in the present invention;

[0029] Figure 6 It is a schematic structural diagram of the supporting foot in the present invention.

[0030] Reference numerals:

[0031] Box body 100, plywood layer 101, high temperature resistant vermiculite 102, fire extinguishing sticker 110, electrolyte collection tank 120, casters 130, magnetic seat 140, tightening lock 150, butterfly hinge 160, box cover 200, box cover handle 201, lifting ring 202, reinforcing rib plate 203, explosion-proof valve 210, detector 220, anti-collision cover 230, support foot fixing block 240, scissor-type lifting device 300, external scissor fork arm 310, internal scissor Fork arm 320, fixed base frame 330, movable base frame 340, placement plate 400, fixing ring 410, driving structure 500, lifting transmission ball screw 510, driven gear 520, control device 600, hand crank 610, hand crank wheel 620, driving gear 630, support pin 700, main linkage rod 710, sub-linkage rod 720, guide slider 730, guide rail 740, support foot 800, battery pack 900. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the present application clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation methods. In order to thoroughly understand the invention, some specific details will be involved in the following description. In the absence of these specific details, the invention can still be implemented, that is, the technical personnel in the field can use these descriptions and statements here to more effectively introduce the essence of their work to other technical personnel in the field. In addition, it should be noted that the words "front side", "rear side", "left side", "right side", "upper side", "lower side" and the like used in the following description refer to the directions in the accompanying drawings, and the words "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively. The relevant technical personnel should not be understood as a technology outside the scope of protection of this application when making simple, non-creative adjustments to the above directions. It should be understood that the specific implementation methods described here are only used to explain the present application and are not used to limit the actual scope of protection. In order to avoid confusing the purpose of the invention, the well-known manufacturing methods, control procedures, component sizes, material compositions, pipeline layouts, etc. are already easy to understand, so they are not described in detail.

[0033] Figure 1 is a perspective view of an embodiment of the present invention, referring to Figure 1 One embodiment of the present invention provides a lithium battery explosion-proof box device, including a box body 100 and a box cover 200, wherein the box body 100 is used to place a battery pack 900.

[0034] Further, see Figure 2 A scissor-type lifting device 300 is provided in the box body 100, and a placement plate 400 is provided on the upper side of the scissor-type lifting device 300. The placement plate 400 is used to place and fix the battery pack 900. The scissor-type lifting device 300 is used to drive the placement plate 400 to rise and fall. The structure and principle of the scissor-type lifting device 300 can refer to other existing scissor-type lifting structures (not limited to battery explosion-proof boxes).

[0035] Furthermore, the lithium battery explosion-proof box device also includes a driving structure 500, and the driving structure 500 is used to control the scissor-type lifting device 300. The driving structure 500 is connected to a control device 600, and the control device 600 controls the driving structure 500 to work.

[0036] The lithium battery explosion-proof box device is used as a work platform for repairing faulty battery packs. When the box cover 200 is opened, the control device 600 is operated to raise the scissor-type lifting device 300, and the battery pack 900 is placed on the placement plate 400, the battery pack 900 can be repaired. When the battery pack 900 is found to be abnormal during the repair process, the control device 600 is operated to lower the battery pack 900 into the box body 100, and the box cover 200 is closed. The whole process can be completed quickly.

[0037] When the lithium battery explosion-proof box device is used for the logistics transportation of battery packs, the battery pack 900 to be transported can be placed on the placement plate 400 and fixed, wherein the fixing method of the battery pack 900 is not limited. The control device 600 controls the driving structure 500 to work, and the battery pack 900 is lowered into the box body 100 along with the scissor-type lifting device 300, and the box cover 200 is closed, and the battery pack 900 can be transported.

[0038] The lithium battery explosion-proof box device disclosed above is only a preferred embodiment of the present invention, and is only used to illustrate the technical solution of the present invention, rather than to limit it. A person skilled in the art should understand that the technical solution recorded in the aforementioned technical solution can still be modified or supplemented in combination with the prior art, or some of the technical features thereof can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present invention.

[0039] The following is described in conjunction with some embodiments, wherein the "embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present application. The "embodiment" that appears in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. In addition, the details representing one or more embodiments do not necessarily refer to any specific order, nor do they constitute a limitation on the present invention.

[0040] In Embodiment 1, the upper side of the box body 100 is open, and the box cover 200 is located on the opening of the box body 100. The box cover 200 is connected to the left and right sides of the box body 100 through a butterfly hinge 160, and the front and rear sides of the box body 100 are provided with tension locks 150, which have a self-locking function to prevent the box cover 200 from being accidentally opened.

[0041] In this embodiment, optionally, a sealing strip is provided at the contact portion between the box body 100 and the box cover 200. After the box cover 200 is closed, the lock buckle 150 is tightened to achieve a better seal between the box body 100 and the box cover 200.

[0042] In the second embodiment, a reinforcing rib 203 is provided on the box cover 200 to enhance the strength of the box cover 200 and withstand the impact caused by the explosion of the battery pack inside the box cover 200.

[0043] In the third embodiment, a box cover handle 201 is provided on the side of the box cover 200 to facilitate the flipping, opening and closing of the box cover 200 .

[0044] In Embodiment 4, a lifting ring 202 is provided above the box cover 200 to facilitate lifting the top of the box.

[0045] In Embodiment 5, an explosion-proof valve 210 is disposed on the box cover 200. When the pressure inside the box body 100 increases, the explosion-proof valve 210 will automatically open to release the pressure to prevent explosion.

[0046] In this embodiment, optionally, the explosion-proof valve 210 may also be disposed on the box body 100 .

[0047] In Embodiment 6, a detector 220 and an anti-collision cover 230 are disposed on the lower side of the box cover 200, and the detector 220 is located inside the anti-collision cover 230. The detector 220 is used to monitor the conditions inside the box body 100, and the anti-collision cover 230 is used to protect the detector 220.

[0048] In this embodiment, optionally, if an abnormality occurs in the battery pack in the box 100 during transportation, the detector 220 of the box cover 200 transmits the detected danger signal to the owner's mobile phone via 4G to notify the owner to take emergency measures.

[0049] In this embodiment, optionally, the detector 220 includes a temperature detector and a smoke detector.

[0050] In Example 7, the box body 100 includes plywood layers 101, and high temperature resistant vermiculite 102 is arranged between the plywood layers 101. This structure can better withstand the impact generated by the explosion of the battery pack inside it and block the heat propagation of the battery pack.

[0051] Example 8, reference Figure 3 , Figure 4 The scissor-type lifting device 300 includes an outer scissor arm 310, an inner scissor arm 320, a fixed base frame 330, and a movable base frame 340. The fixed base frame 330 and the movable base frame 340 are arranged in the box body 100, wherein the fixed base frame 330 does not move relative to the box body 100, while the movable base frame 340 can move. The lower side of the outer scissor arm 310 is connected to the fixed base frame 330 via a rotating shaft, the lower side of the inner scissor arm 320 is connected to the movable base frame 340 via a rotating shaft, the middle of the outer scissor arm 310 is connected to the middle of the inner scissor arm 320 via a rotating shaft, and the upper sides of the outer scissor arm 310 and the inner scissor arm 320 are connected to the placement plate 400 via a rotating shaft. When the movable base frame 340 moves, the inner scissor arm 320 can be driven to move, thereby controlling the cooperation between the outer scissor arm 310 and the inner scissor arm 320 to ensure that the scissor-type lifting device 300 can stably control the lifting and lowering of the placement plate 400.

[0052] In this embodiment, the number of the outer scissor fork arms 310 and the inner scissor fork arms 320 is not limited, and the outer scissor fork arms 310 and the inner scissor fork arms 320 can also be designed as one layer or multiple layers.

[0053] In this embodiment, optionally, the outer scissor arms 310 are divided into two on the left and right sides, and the inner scissor arms 320 are divided into two on the left and right sides.

[0054] In this embodiment, optionally, a damper and a screw front buffer are provided between the fixed base frame 330 and the movable base frame 340. The damper and the screw front buffer absorb energy so that the descent process will not be a momentary free fall motion, and the battery pack will not be damaged by the impact force of the instantaneous descent.

[0055] Embodiment 9, the driving structure 500 includes a lifting transmission ball screw 510, the rear end of which is connected to the fixed base frame 330, and the lifting transmission ball screw 510 is rotatable relative to the fixed base frame 330, and the middle part of the lifting transmission ball screw 510 is connected to the movable base frame 340 through a thread, that is, when the lifting transmission ball screw 510 rotates, it can drive the movable base frame 340 to move, that is, drive the inner scissor arm 320 to move, and then control the scissor-type lifting device 300.

[0056] In the embodiment 10, the control device 600 includes a hand crank 610, a hand crank wheel 620 and a driving gear 630 are respectively provided at both ends of the hand crank 610, and a driven gear 520 is provided at the front end of the lifting transmission ball screw 510, and the driven gear 520 is meshed with the driving gear 630. The hand crank 610 can be controlled to rotate by operating the hand crank wheel 620, and the driven gear 520 and the driving gear 630 are driven to rotate in turn, thereby controlling the lifting transmission ball screw 510 to rotate.

[0057] In this embodiment, optionally, the driven gear 520 and the driving gear 630 are bevel gears.

[0058] In this embodiment, the control device 600 can be arranged inside or outside the box 100 .

[0059] In Example 11, a fixing ring 410 is disposed on the placement plate 400 , and the battery pack 900 can be fixed on the placement plate 400 by passing a strap through the fixing ring 410 .

[0060] In Embodiment 12, a support pin 700 is provided at the edge of the placement plate 400. The support pin 700 is retractable and movable. After the placement plate 400 and the battery pack 900 are raised, the support pin 700 extends out to clamp the inner wall of the box 100, so as to stably fix the placement plate 400, support the battery pack 900 or lower the battery pack into the box.

[0061] In this embodiment, optionally, the number of the support pins 700 is at least four.

[0062] In this embodiment, optionally, a support pin wrench is provided on the support pin 700, and the extension and retraction of the support pin 700 are controlled by turning the support pin wrench.

[0063] In this embodiment, optionally, refer to Figure 5A main linkage rod 710 and a sub-linkage rod 720 are arranged on the lower side of the placement plate 400, and the main linkage rod 710 is connected to the support pin 700 through the sub-linkage rod 720. When the main linkage rod 710 moves, the sub-linkage rod 720 can be driven to control the extension and retraction of the support pin 700, so that one main linkage rod 710 controls multiple support pins 700.

[0064] In this embodiment, optionally, a guide slider 730 is provided before the main linkage rod 710 and the sub-linkage rod 720, and a guide rail 740 is provided at the lower side of the placement plate 400 for guiding the guide slider 730 and further guiding the movement of the main linkage rod 710.

[0065] In Example 13, a fire extinguishing sticker 110 is provided inside the box 100. When an open flame appears in the battery pack 900 in the box 100 or the temperature reaches the trigger temperature of the fire extinguishing sticker 110, the fire extinguishing sticker 110 will automatically trigger to extinguish the fire, thereby preventing the risk of further explosion of the battery pack.

[0066] In Example 14, an electrolyte collecting tank 120 is provided at the inner bottom of the box body 100. If the battery pack 900 leaks during transportation, the electrolyte can be collected in the electrolyte collecting tank 120, thereby improving safety.

[0067] In this embodiment, the electrolyte collection tank 120 and the box body 100 are detachable structures to facilitate regular cleaning.

[0068] Example 15, reference Figure 6 The bottom of the box 100 is provided with a support foot 800, and the box cover 200 is provided with a support foot fixing block 240. When the boxes 100 are stacked, the support foot fixing block 240 of the lower box cover 200 can position the support foot 800 of the upper box 100, which is convenient for stacking and transportation of battery packs.

[0069] In this embodiment, preferably, pin holes are provided on the support legs 800 and the support leg fixing block 240, and pins are inserted into the pin holes to achieve connection between the support legs 800 and the support leg fixing block 240 when the boxes 100 are aligned and stacked.

[0070] In Example 16, the support legs 800 are connected to the box body 100 via a rotating structure, so that the support legs 800 can be folded and stored when not needed.

[0071] In this embodiment, optionally, a lock is provided next to the supporting leg 800 to fix the supporting leg 800 when the supporting leg 800 is extended.

[0072] In this embodiment, a magnetic seat 140 is provided next to the lower side of the box body 100, which is used to magnetically absorb and fix the supporting leg 800 when the supporting leg 800 is folded.

[0073] In this embodiment, preferably, the support leg 800 is connected to the box body 100 via a butterfly hinge 160 .

[0074] In this embodiment, preferably, a tension lock buckle 150 is provided next to the supporting foot 800 .

[0075] In Example 17, casters 130 are provided at the bottom of the box 100 to facilitate the movement of the box 100.

[0076] According to the above principle, the present invention can also make appropriate changes and modifications to the above implementation. Therefore, the present invention is not limited to the specific implementation disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention.

Claims

1. A lithium battery explosion-proof box device, comprising a box body (100) and a box cover (200), characterized in that: A scissor-type lifting device (300) is arranged in the box body (100), and a placement plate (400) is arranged on the upper side of the scissor-type lifting device (300); It also includes a driving structure (500), the driving structure (500) being used to control the scissor-type lifting device (300), the driving structure (500) being connected to a control device (600); A support pin (700) is provided at the edge of the placement plate (400), and the support pin (700) is retractable and movable, and when the support pin (700) is extended, it can clamp onto the inner wall of the box body (100); A main linkage rod (710) and a sub-linkage rod (720) are arranged at the lower side of the placement plate (400); the main linkage rod (710) and the support pin shaft (700) are connected via the sub-linkage rod (720); when the main linkage rod (710) moves, it can drive the sub-linkage rod (720) to control the extension and retraction of the support pin shaft (700); A guide slider (730) is provided between the main linkage rod (710) and the sub-linkage rod (720), and a guide rail (740) is provided on the lower side of the placement plate (400) for guiding the guide slider (730) and thereby guiding the movement of the main linkage rod (710).

2. A lithium battery explosion-proof box device according to claim 1, characterized in that: An explosion-proof valve (210) is provided on the box cover (200).

3. A lithium battery explosion-proof box device according to claim 1, characterized in that: A detector (220) and an anti-collision cover (230) are provided on the lower side of the box cover (200), and the detector (220) is located inside the anti-collision cover (230).

4. A lithium battery explosion-proof box device according to claim 1, characterized in that: The box body (100) comprises plywood layers (101), and high temperature resistant vermiculite (102) is arranged between the plywood layers (101).

5. The lithium battery explosion-proof box device according to claim 1, characterized in that: The scissor-type lifting device (300) comprises an outer scissor arm (310), an inner scissor arm (320), a fixed base frame (330), and a movable base frame (340). The fixed base frame (330) and the movable base frame (340) are arranged in the box body (100). The lower side of the outer scissor arm (310) is connected to the fixed base frame (330) via a rotating shaft. The lower side of the inner scissor arm (320) is connected to the movable base frame (340) via a rotating shaft. The middle of the outer scissor arm (310) is connected to the middle of the inner scissor arm (320) via a rotating shaft. The upper side of the outer scissor arm (310), the upper side of the inner scissor arm (320) and the placement plate (400) are connected via a rotating shaft.

6. A lithium battery explosion-proof box device according to claim 5, characterized in that: The driving structure (500) comprises a lifting transmission ball screw (510), the rear end of the lifting transmission ball screw (510) is connected to the fixed base frame (330), and the lifting transmission ball screw (510) is rotatable relative to the fixed base frame (330), and the middle of the lifting transmission ball screw (510) is connected to the movable base frame (340) via a thread.

7. A lithium battery explosion-proof box device according to claim 6, characterized in that: The control device (600) comprises a hand crank (610), and hand crank wheels (620) and driving gears (630) are respectively arranged at two ends of the hand crank (610). A driven gear (520) is arranged at the front end of the lifting transmission ball screw (510), and the driven gear (520) is meshed with the driving gear (630).

8. The lithium battery explosion-proof box device according to claim 1, characterized in that: A fire extinguishing sticker (110) is arranged inside the box (100).

9. A lithium battery explosion-proof box device according to claim 1, characterized in that: The bottom of the box body (100) is provided with a supporting foot (800), and the box cover (200) is provided with a supporting foot fixing block (240).

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