Battery pack test protection device

Abstract

The utility model discloses a battery pack test protection device which comprises a cooling pool, cooling liquid is contained in the cooling pool, a liquid outlet is formed in one side of the cooling pool, a bearing plate is arranged in the cooling pool in a lifting mode, and a liquid permeating opening is formed in the bearing plate. A closed hood is arranged above the cooling tank, a plurality of observation windows are formed in the closed hood, an exhaust port is formed in one side of the closed hood, and the exhaust port is connected to an air extractor through a pipeline. The device is reasonable in design and simple in structure, facilitates destruction experiments such as puncture and the like, ensures the safety of experimenters and experiment environments, and improves the protection effect of battery pack experiments.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery experiment equipment technical field especially relates to a battery pack test protection device. BACKGROUND

[0002] Electric energy is an economic, practical, clean and easy to control and convert energy form, and electric energy is widely used in power, lighting, chemical, textile, communication, broadcasting and other fields, and lithium battery is a better electric energy storage medium, in the development process of lithium battery, safety is a very important index, in the current new energy electric vehicle, the safety of vehicle-mounted battery needs to be considered from many aspects, since electric vehicles inevitably encounter traffic accidents on the road, causing battery damage and other conditions, and the damaged battery often causes short circuit and self-ignition, which has very high safety hazard.

[0003] In order to study the safety of lithium battery, the safety of lithium battery needs to be tested, although the existing lithium battery damage experiment has certain protective measures, but the gas produced by lithium battery explosion will escape in the experimental environment, causing certain harmfulness. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the gas produced by lithium battery explosion will escape in the experimental environment in the prior art, causing certain harmfulness, and provides a battery pack test protection device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A battery pack test protection device, comprising a cooling pool, the cooling pool is filled with cooling liquid, the cooling pool is provided with a liquid outlet on one side, a supporting plate is arranged in the cooling pool and can be lifted, and a liquid permeable opening is arranged on the supporting plate;

[0007] A closed cover is arranged above the cooling pool, a plurality of observation windows are arranged on the closed cover, an exhaust port is arranged on one side of the closed cover, and the exhaust port is connected to an air extraction device through a pipeline.

[0008] Preferably, a top plate is arranged above the closed cover, the top plate is fixedly installed on the cooling pool through a stand column, a wire winder is installed on the top plate, a steel cable is wound in the wire winder, and the lower end of the steel cable is fixedly connected to the closed cover.

[0009] Preferably, a puncture assembly is arranged on the closed cover, the puncture assembly comprises a small air cylinder installed on the closed cover, a sliding column connected to the telescopic end of the small air cylinder, and a puncture needle arranged on the lower end of the sliding column and penetrating through the top wall of the closed cover.

[0010] More preferably, a sliding sleeve is arranged on the closed cover and corresponds to the sliding column.

[0011] More preferably, the puncture needle is screwed on the lower end of the slide column.

[0012] Preferably, the upper end of the side wall of the cooling pool and the lower end of the closure cover are provided with matched sealing butt grooves.

[0013] Preferably, a plurality of limiting columns are vertically arranged on the inner wall of the cooling pool, and a limiting groove is formed on the supporting plate corresponding to the limiting column.

[0014] More preferably, a supporting arm is rotatably arranged in the limiting column, the supporting arm is provided with a supporting claw for placing the supporting plate, and a magnetic spring is arranged in the limiting column for providing a supporting force for the supporting claw.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. In the utility model, the safety of lithium battery experiments is ensured by the cooling pool and the closure cover, and the safety of experimenters is improved, and the cleanliness and safety of the experimental environment are ensured.

[0017] 2. In the utility model, the puncture experiment can be carried out in a closed safe environment, and different models of lithium batteries can be used for puncture experiments, so that the safety of the experiment is ensured.

[0018] The utility model has the advantages of reasonable design, simple structure, convenience in puncture and other damage experiments, safety of experimenters and experimental environment, and improved protection effect of battery pack experiments. DRAWINGS

[0019] Figure 1 It is a schematic view of the appearance structure of the utility model.

[0020] Figure 2 It is a schematic view of the cooling pool structure of the utility model.

[0021] Figure 3 It is a sectional view of the utility model.

[0022] Figure 4 It is a schematic view of the supporting plate structure of the utility model.

[0023] In the drawing: cooling pool 1, liquid discharge port 11, sealing butt groove 12, stand column 2, top plate 21, supporting plate 3, limiting column 31, supporting arm 32, supporting claw 321, magnetic spring 322, closure cover 4, observation window 41, exhaust port 42, wire winder 5, steel cable 51, small air cylinder 6, slide column 61, puncture needle 611. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Referring to Figures 1-4 A battery pack test protection device, including cooling pool 1, cooling pool 1 is filled with cooling liquid, cooling pool 1 one side is equipped with drain 11, cooling pool 1 can be lifted and is equipped with the support plate 3, the support plate 3 is equipped with the liquid permeable opening. Cooling liquid is preferably insulating cooling liquid, can be cooled and immersed to the lithium battery of state abnormality, to a certain extent, reduce the degree of lithium battery explosion, protect the operator.

[0026] Cooling pool 1 is equipped with the closure 4 on the top, the closure 4 is equipped with multiple observation windows 41, the closure 4 one side is equipped with exhaust port 42, exhaust port 42 is connected to the air extraction device through pipeline. When lithium battery appears explosion and other conditions, the closure 4 is lowered to seal cooling pool 1, avoid the harmful material splashing produced by explosion, also avoid harmful gas to escape, guarantee the safety and cleanliness of experimental environment. The harmful gas produced can be extracted through exhaust port 42.

[0027] Based on the above technical scheme, when carrying out lithium battery safety experiment, such as disassembly, puncture and other tests, to ensure the safety of experiment, can carry out experiment on the protection device. When experiment, lithium battery is placed on the support plate 3, when experiment operation, lithium battery explosion and other phenomena appear, the support plate 3 is rapidly lowered and immersed in cooling liquid, avoid the dangerous material splashing such as spark, make the operator have enough time to evacuate, when explosion is serious, the closure 4 is lowered to seal cooling pool 1, further guarantee safety, for puncture experiment and other, can observe the combustion state of lithium battery through observation window 41, facilitate the collection of experimental data.

[0028] In the technical scheme, as shown in Figures 1-4 The closure 4 is equipped with the top plate 21 on the top, the top plate 21 is fixedly installed on cooling pool 1 through stand 2, the top plate 21 is installed with winding device 5, winding device 5 is wound with steel cable 51, and the lower end of steel cable 51 is fixedly connected to closure 4. The lifting of closure 4 is controlled through winding device 5, when needing lower closure 4, the rapid lowering of closure 4 can be realized, after lithium battery reaction ends, the closure 4 is lifted again through winding device 5, facilitate the use of closure.

[0029] In the technical scheme, as shown in Figures 1-4As shown, the closure cover 4 is provided with a puncture assembly, which comprises a small cylinder 6 mounted on the closure cover 4, a slide column 61 connected to the telescopic end of the small cylinder 6, and a puncture needle 611 provided at the lower end of the slide column 61 and penetrating through the top wall of the closure cover 4. A slide sleeve is provided on the closure cover 4 corresponding to the slide column 61. The puncture needle 611 is screw-mounted at the lower end of the slide column 61. Through the screw-mounted design of the puncture needle 611, the puncture needle 611 can be replaced according to different models of experimental lithium batteries. The stable sliding of the slide column 61 is ensured by the slide sleeve, and the sealing effect of the closure cover 4 is also improved. During the puncture experiment, the closure cover 4 is placed down, and then the puncture needle 611 is driven by the small cylinder 6 to puncture the battery pack, thereby improving the safety of the puncture experiment.

[0030] In the technical solution, as shown in the drawings, Figures 1-4 As shown, the upper end of the side wall of the cooling pool 1 and the lower end of the closure cover 4 are both provided with a matching sealing butt joint groove 12. Through the design of the sealing butt joint groove 12, when the closure cover 4 is placed down, the sealing effect is improved through the butt joint of the sealing butt joint groove 12, thereby ensuring the sealing effect of the closure cover 4.

[0031] In the technical solution, as shown in the drawings, Figures 1-4 As shown, a plurality of limiting columns 31 are vertically arranged on the inner wall of the cooling pool 1, and a limiting groove is formed in the supporting plate 3 corresponding to the limiting column 31. The stability of the supporting plate 3 when falling down is improved, and the lithium battery on the supporting plate 3 is prevented from tilting.

[0032] In the technical solution, as shown in the drawings, Figures 1-4 As shown, a supporting arm 32 is rotatably arranged in the limiting column 31, a supporting claw 321 for placing the supporting plate 3 is arranged on the supporting arm 32, and a magnetic spring 322 for providing a supporting force for the supporting claw 321 is arranged in the limiting column 31. The supporting plate 3 is supported by the supporting claw 321, and the stability of the supporting plate 3 is ensured. When the supporting plate 3 needs to be placed down, the magnetic spring 322 is contracted to drive the supporting arm 32 to swing outward, so that the supporting claw 321 is inclined. In combination with the gravity of the supporting plate 3, the supporting arm 32 continues to swing outward, so that the supporting plate 3 can quickly fall down, thereby ensuring the safety protection effect when the lithium battery explodes.

[0033] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A battery pack test guard, comprising: Including cooling pool (1), cooling pool (1) is filled with cooling liquid, the cooling pool (1) one side is equipped with drain (11), cooling pool (1) can be lifted and is equipped with the support plate (3), the support plate (3) is equipped with the liquid permeable opening on it; The cooling pool (1) is equipped with a closed cover (4) above, a plurality of observation windows (41) are opened in the closed cover (4), an exhaust port (42) is opened in one side of the closed cover (4), and the exhaust port (42) is connected to the air extraction device through a pipeline.

2. A battery pack test guard according to claim 1, wherein, The top plate (21) is fixedly installed on the cooling pool (1) through the stand column (2), the wire winder (5) is installed on the top plate (21), the steel cable (51) is wound in the wire winder (5), and the lower end of the steel cable (51) is fixedly connected to the closed cover (4).

3. The battery pack test guard of claim 1, wherein, The closed cover (4) is provided with a puncture assembly, the puncture assembly comprises a small air cylinder (6) installed on the closed cover (4), a slide column (61) connected to the telescopic end of the small air cylinder (6), and a puncture needle (611) arranged at the lower end of the slide column (61).

4. The battery pack test guard of claim 3, wherein, The closed cover (4) is provided with a slide sleeve corresponding to the slide column (61).

5. The battery pack test guard of claim 3, wherein, The puncture needle (611) is screw-mounted at the lower end of the slide column (61).

6. The battery pack test guard of claim 1, wherein, The upper end of the side wall of the cooling pool (1) and the lower end of the closed cover (4) are both provided with a matched sealing butt joint groove (12).

7. The battery pack test guard of claim 1, wherein, A plurality of limiting columns (31) are vertically arranged on the inner wall of the cooling pool (1), and a limiting groove is formed in the support plate (3) corresponding to the limiting column (31).

8. A battery pack test guard according to claim 7, wherein, The limiting column (31) is rotatably provided with a supporting arm (32), the supporting arm (32) is provided with a supporting claw (321) for placing the support plate (3), and the limiting column (31) is provided with a magnetic spring (322) for providing a supporting force for the supporting claw (321).

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