CN212872807U - Lithium cell is explosion-proof case of acupuncture for safety test - Google Patents

Lithium cell is explosion-proof case of acupuncture for safety test Download PDF

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Publication number
CN212872807U
CN212872807U CN202022167760.5U CN202022167760U CN212872807U CN 212872807 U CN212872807 U CN 212872807U CN 202022167760 U CN202022167760 U CN 202022167760U CN 212872807 U CN212872807 U CN 212872807U
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main body
body frame
explosion
cavity
round hole
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CN202022167760.5U
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Inventor
杜纪磊
高立海
张金煌
刘晓龙
张沙沙
李新强
张香港
崔伟伟
杨玉宝
张宏光
张鹏
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Weifang Energy Accumulating Battery Co ltd
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Weifang Energy Accumulating Battery Co ltd
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Abstract

The utility model discloses a needling explosion-proof box for lithium battery safety test, which comprises a main body frame made of stainless steel material, wherein an empty partition plate is arranged inside the main body frame, the inner cavity of the main body frame is divided into two cavities by the empty partition plate, the two cavities are respectively an upper cavity and a lower cavity, an experimental position for placing a battery to be tested is arranged in the lower cavity, a side wall of the main body frame is provided with a smoke exhaust component, the smoke exhaust component is communicated with the lower cavity, the utility model can accurately simulate the needling test of a lithium ion battery, reduce the input cost, and avoid the personal injury caused by the explosion of the battery during the needling test, can greatly improve the practicability, the whole material is made of stainless steel or toughened glass, the whole safety is good, the whole structure is simple, the manufacture is convenient, the production cost can be greatly reduced, and then the use cost is reduced.

Description

Lithium cell is explosion-proof case of acupuncture for safety test
Technical Field
The utility model relates to an explosion-proof case, specific theory relates to one kind and is applicable to lithium cell acupuncture experiment usefulness, prevents that battery explosion from hindering people's lithium cell explosion-proof case for safety test belongs to new energy battery technical field.
Background
At present, petroleum resources are gradually in shortage, environmental pollution is increasingly serious, new energy is urgently developed to replace traditional petrochemical energy, and under the background, the development of a lithium ion battery free of environmental pollution is particularly important to be accelerated.
The lithium ion battery industry is supported by the great force of the country, and is rapidly developed in recent years. At present, lithium ion power batteries are widely applied to electric bicycles and passenger vehicles, so the safety of the lithium ion batteries is very important, and the lithium batteries can cause fire, explosion and other dangers under the conditions of high temperature, overcharge, extrusion and the like due to the chemical characteristics of the lithium batteries. Particularly, in recent two years, the new energy automobile is rapidly developed, a high-capacity and high-energy lithium battery becomes a mainstream product, once the battery is ignited and exploded, not only physical damage to a human body is caused, but also chemical damage to the human body is caused by harmful gas released by battery combustion.
Therefore, safety tests are required after the lithium ion battery is made into a finished product, and the needling test is very important in many safety tests.
Wherein acupuncture explosion-proof case in acupuncture experiment is between the important instrument of acupuncture experiment, current acupuncture explosion-proof case can not satisfy the operation requirement of battery security test, current acupuncture explosion-proof case is only a box, its battery can produce a large amount of gases in acupuncture safety experiment test procedure, gaseous release amount and gas, its gaseous internal influence of existence box is to the observation of explosion-proof incasement, and the felting needle of current acupuncture explosion-proof case can't stretch into the inside to explosion-proof case completely, and then cause the accuracy that the depth of penetration is not enough to influence safety experiment data.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a simple structure, convenient to use can be applicable to lithium cell acupuncture experiment usefulness, prevents that the battery explosion from hindering people's lithium cell explosion-proof case for safety test.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a lithium cell is explosion-proof case of acupuncture for safety test, includes main body frame, and main body frame's inside is provided with the space baffle, and the space baffle is two cavitys with main body frame's inner chamber partition, and two cavitys are upper cavity and lower floor's cavity respectively, are provided with in the lower floor's cavity to be used for placing the experiment position of waiting to test the battery, are provided with the subassembly of discharging fume on main body frame's the lateral wall, the subassembly and the lower floor cavity intercommunication of discharging fume.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the front side of the main body frame is provided with a transparent box door made of transparent toughened glass, the transparent box door is movably connected with the main body frame, and the inner cavity of the main body frame can be opened or closed through the transparent box door.
Further optimization: the whole thickness of the transparent box door is more than or equal to 1 cm.
Further optimization: a first round hole is formed in the middle of the upper top plate of the main body frame, and the diameter of the first round hole is 2 cm.
Further optimization: the space division plate is provided with a second round hole at the middle position, and the diameter of the second round hole is 2 cm.
Further optimization: the first round hole and the second round hole are arranged in an up-and-down symmetrical mode and are arranged coaxially.
Further optimization: the smoke exhaust component comprises a smoke exhaust tube, a smoke exhaust hole is formed in the position, corresponding to the lower cavity, of the main body frame, the smoke exhaust hole is communicated with the lower cavity, and the smoke exhaust tube is installed at the smoke exhaust hole.
Further optimization: the thickness of the upper top plate, the lower bottom plate and the side plate of the main body frame is more than or equal to 1 cm.
The above technical scheme is adopted in the utility model, when using, at first place the experiment position department at lower floor's cavity with the battery that needs carry out the acupuncture experiment to the middle part of battery is just to the second round hole.
During the test, place this lithium cell safety test with explosion-proof case of acupuncture in spacious department, get a camera and place and record a video to test phenomenon before toughened glass, then close transparent chamber door, and place the export of chimney in the position department of keeping away from this lithium cell safety test with explosion-proof case of acupuncture, then insert the diameter for 1 cm's experiment steel needle in the cavity of lower floor from first round hole and second round hole, the syringe needle top of steel needle is on the battery for the experiment this moment, then strike the steel needle for the experiment fast from the needle tail of steel needle for the experiment with the hammer, until the whole battery that impales of steel needle for the experiment, observe the phenomenon.
The above technical scheme is adopted in the utility model, think about ingeniously, rational in infrastructure, can accurately simulate lithium ion battery's acupuncture is experimental, reduce the input cost, in addition can make the explosion-proof incasement of acupuncture exhaust fume of lithium cell safety test in time, and have the security, can avoid when battery acupuncture experiment, the battery explodes and causes bodily injury, can improve the practicality greatly, and its whole material uses stainless steel or toughened glass to make, whole security is good, and its overall structure is simple, convenient manufacturing, the manufacturing cost that can significantly reduce, use cost is then reduced.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a rear view of FIG. 1;
fig. 4 is a schematic structural diagram of a space partition in an embodiment of the present invention.
In the figure: 1-a body frame; 2-space partition plate; 3-transparent box door; 4-side plate; 5, a smoke exhaust tube; 6-upper cavity; 7-lower cavity; 8-upper top plate; 9-lower bottom plate; 10-a first circular aperture; 11-a second circular aperture; 12-fixing the round hole; 13-smoke vent.
Detailed Description
Example (b): referring to fig. 1-4, a needling explosion-proof box for a lithium battery safety test comprises a main body frame 1 made of stainless steel material, wherein an empty partition plate 2 is arranged inside the main body frame 1, the empty partition plate 2 divides an inner cavity of the main body frame 1 into two cavities, the two cavities are an upper cavity 6 and a lower cavity 7 respectively, an experiment position for placing a battery to be tested is arranged in the lower cavity 7, a smoke exhaust assembly is arranged on one side wall of the main body frame 1, and the smoke exhaust assembly is communicated with the lower cavity 7.
The overall structure of the main body frame 1 is made of stainless steel, so that the overall structure strength of the main body frame 1 is high, the overall structure strength of the needling explosion-proof box for the lithium battery safety test is improved, and the explosion-proof performance of the needling explosion-proof box is excellent.
And through carrying out battery acupuncture safety experiment in this lithium cell safety test uses acupuncture explosion-proof case, make this lithium cell safety test uses acupuncture explosion-proof case can be used to protect outside personnel's safety, avoid when battery acupuncture safety experiment, the battery explodes and causes bodily injury, can improve the practicality greatly to its overall structure is simple, and convenient the manufacturing can significantly reduce manufacturing cost, reduces use cost then.
The main body frame 1 is composed of an upper top plate 8, a lower bottom plate 9 and three side plates 4, and the thicknesses of the upper top plate 8, the lower bottom plate 9 and the side plates 4 of the main body frame 1 are all larger than or equal to 1 cm.
Design like this, can improve main body frame 1's overall structure intensity greatly, when carrying out battery acupuncture safety experiment in main body frame 1, if the battery explosion appears in the battery, the explosive that the battery explosion produced can not be scattered all around and explode out, then improves the security.
The front side of the main body frame 1 is provided with a transparent box door 3 made of transparent toughened glass, the transparent box door 3 is movably connected with the main body frame 1, and the inner cavity of the main body frame 1 can be opened or closed through the transparent box door 3.
By the design, the inner cavity of the main body frame 1 can be opened or closed conveniently through the transparent box door 3, and then the battery to be detected can be conveniently loaded into the main body frame 1 or taken out of the main body frame 1, so that the use is facilitated.
And the transparent box door 3 is made of transparent toughened glass, so that a user can conveniently observe the battery in the main body frame 1 for acupuncture safety experiment through the transparent box door 3.
The whole thickness of the transparent box door 3 is more than or equal to 1 cm.
Design like this, can improve the overall structure intensity of transparent chamber door 3 greatly, avoid because of the battery explosion during battery acupuncture safety experiment, cause the condition emergence of exploding garrulous transparent chamber door 3.
The transparent box door 3 is connected with the main body frame 1 in a sliding or hinged mode, and the transparent box door 3 is movably connected with the main body frame 1.
A first round hole 10 is formed in the middle of the upper top plate 8 of the main body frame 1, and the diameter of the first round hole 10 is 2 cm.
And a second round hole 11 is formed in the middle of the space division plate 2, and the diameter of the second round hole 11 is 2 cm.
The first round hole 10 and the second round hole 11 are arranged in a vertically symmetrical mode, and the first round hole 10 and the second round hole 11 are arranged coaxially.
The experiment position is arranged in the lower cavity 7 and is positioned right below the second round hole 11.
The lower bottom plate 9 of the main body frame 1 is provided with a fixing round hole 12, and the diameter of the fixing round hole 12 is 10 cm.
The smoke exhaust assembly comprises a smoke exhaust tube 5 arranged at the rear of a main body frame 1, a smoke exhaust hole 13 is formed in the position, corresponding to the lower cavity 7, on the main body frame 1, the smoke exhaust hole 13 is communicated with the lower cavity 7, and the smoke exhaust tube 5 is installed at the smoke exhaust hole 13.
The smoke exhaust holes 13 are formed in the side plates 4 of the main body frame 1, and the diameter of each smoke exhaust hole 13 is 10 cm.
Design like this, can make chimney 5 and the 7 intercommunications of lower floor cavity in the main body frame 1 through exhaust port 13, and then when carrying out battery acupuncture safety experiment in main body frame 1, the flue gas accessible exhaust port 13 that the battery produced gets into in chimney 5, then can be with the flue gas water conservancy diversion in the cavity 7 of lower floor to the outside through chimney 5, avoids the interior smog of cavity 7 of lower floor to gather the influence and observe.
The smoke exhaust fan can be arranged on the smoke exhaust tube 5 in series, generates wind power and can be used for sucking smoke in the lower cavity 7 through the smoke exhaust tube 5.
The other end of the exhaust pipe 5 is communicated with a gas analysis device, smoke in the lower cavity 7 is guided into the gas analysis device through the exhaust pipe 5, and the gas analysis device detects and analyzes the smoke generated by the battery during the battery needling safety experiment.
The whole length of the smoke exhaust tube 5 is more than or equal to 3 m.
Design like this, the flue gas water conservancy diversion in accessible chimney 5 with lower floor cavity 7 is to the outside, avoids the interior smog gathering of lower floor cavity 7, also avoids gathering by chimney 5 exhaust flue gas in this lithium cell is acupuncture explosion-proof case department for the safety test, influences the observation.
When the battery is used, a battery needing a needling experiment is firstly placed at an experiment position of the lower cavity 7, and the middle part of the battery is opposite to the second round hole 11.
During the test, place this lithium cell safety test with explosion-proof case of acupuncture in spacious department, it places the video recording to test the phenomenon before toughened glass to get a camera, then close transparent chamber door 3, and place the export of chimney 5 in the position department of keeping away from this lithium cell safety test with explosion-proof case of acupuncture, then insert lower floor's cavity 7 with diameter for 1 cm's experiment steel needle from first round hole 10 and second round hole 11, the syringe needle top of steel needle for the experiment is on the battery this moment, then strike the steel needle for the experiment fast from the needle tail of steel needle for the experiment with the hammer, up to the whole battery that impales of steel needle for the experiment, observe the phenomenon.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (8)

1. The utility model provides a lithium cell safety test is with explosion-proof case of acupuncture which characterized in that: including main body frame (1), the inside of main body frame (1) is provided with space division board (2), and space division board (2) are two cavitys with the inner chamber partition of main body frame (1), and two cavitys are upper cavity (6) and lower floor's cavity (7) respectively, are provided with in lower floor's cavity (7) to be used for placing the experiment position of waiting to experiment the battery, are provided with the subassembly of discharging fume on the lateral wall of main body frame (1), discharge fume the subassembly and lower floor's cavity (7) intercommunication.
2. The needle-punched explosion-proof box for the safety test of the lithium battery as claimed in claim 1, is characterized in that: the front side of the main body frame (1) is provided with a transparent box door (3) made of transparent toughened glass, the transparent box door (3) is movably connected with the main body frame (1), and the inner cavity of the main body frame (1) can be opened or closed through the transparent box door (3).
3. The needle-punched explosion-proof box for the safety test of the lithium battery as claimed in claim 2, is characterized in that: the whole thickness of the transparent box door (3) is more than or equal to 1 cm.
4. The needle-punched explosion-proof box for the safety test of the lithium battery as claimed in claim 3, is characterized in that: a first round hole (10) is formed in the middle of an upper top plate (8) of the main body frame (1), and the diameter of the first round hole (10) is 2 cm.
5. The lithium battery safety test needle explosion-proof box of claim 4, which is characterized in that: the space division plate (2) is provided with a second round hole (11) at the middle position, and the diameter of the second round hole (11) is 2 cm.
6. The lithium battery safety test needle explosion-proof box of claim 5, which is characterized in that: the first round hole (10) and the second round hole (11) are arranged in an up-down symmetrical mode, and the first round hole (10) and the second round hole (11) are arranged coaxially.
7. The needle-punched explosion-proof box for the safety test of the lithium battery as claimed in claim 6, is characterized in that: the smoke exhaust assembly comprises a smoke exhaust tube (5), a smoke exhaust hole (13) is formed in the position, corresponding to the lower cavity (7), on the main body frame (1), the smoke exhaust hole (13) is communicated with the lower cavity (7), and the smoke exhaust tube (5) is installed in the smoke exhaust hole (13).
8. The needle-punched explosion-proof box for the safety test of the lithium battery as claimed in claim 7, is characterized in that: the thicknesses of the upper top plate (8), the lower bottom plate (9) and the side plates (4) of the main body frame (1) are all more than or equal to 1 cm.
CN202022167760.5U 2020-09-28 2020-09-28 Lithium cell is explosion-proof case of acupuncture for safety test Active CN212872807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022167760.5U CN212872807U (en) 2020-09-28 2020-09-28 Lithium cell is explosion-proof case of acupuncture for safety test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022167760.5U CN212872807U (en) 2020-09-28 2020-09-28 Lithium cell is explosion-proof case of acupuncture for safety test

Publications (1)

Publication Number Publication Date
CN212872807U true CN212872807U (en) 2021-04-02

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ID=75198333

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022167760.5U Active CN212872807U (en) 2020-09-28 2020-09-28 Lithium cell is explosion-proof case of acupuncture for safety test

Country Status (1)

Country Link
CN (1) CN212872807U (en)

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A needle punched explosion-proof box for safety testing of lithium batteries

Effective date of registration: 20230703

Granted publication date: 20210402

Pledgee: Rizhao bank Limited by Share Ltd. Weifang branch

Pledgor: Weifang Energy-accumulating Battery Co.,Ltd.

Registration number: Y2023980047179