CN220491006U - Device for safe needling experiment - Google Patents
Device for safe needling experiment Download PDFInfo
- Publication number
- CN220491006U CN220491006U CN202322009188.3U CN202322009188U CN220491006U CN 220491006 U CN220491006 U CN 220491006U CN 202322009188 U CN202322009188 U CN 202322009188U CN 220491006 U CN220491006 U CN 220491006U
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- Prior art keywords
- explosion
- needling
- hole
- proof
- plate
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- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 238000004880 explosion Methods 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a device for a safe needling experiment, which comprises an explosion-proof box, wherein the explosion-proof box comprises an explosion-proof box body with an opening at one side and an explosion-proof door, the explosion-proof box body is provided with an exhaust hole provided with a plurality of layers of sintered metal nets, the explosion-proof door is positioned at the opening and pivoted with the explosion-proof box body in a matched manner, and the explosion-proof door is provided with a window provided with transparent explosion-proof glass; the anti-explosion box body is internally provided with a needling platform and an object carrying platform from top to bottom in sequence, the needling platform can move up and down relative to the object carrying platform, the needling platform is connected with a driving mechanism, the driving mechanism is connected with a remote controller, and the remote controller is used for sending control instructions to control the driving mechanism. The utility model greatly improves the safety in the needling experiment process.
Description
Technical Field
The utility model relates to the technical field of battery needling test equipment, in particular to a device for a safety needling experiment.
Background
The safety profile of lithium ion batteries is related to many factors such as material system, design level, production control, and battery usage. Research shows that most of the battery cells fail due to internal short circuits of the battery cells, and the safety condition of the battery when the internal short circuits occur is generally simulated through a needling test. The needling test is to pierce a steel needle through the battery at a certain speed. When the battery is subjected to needling test, internal short circuit can occur in the battery, the performance of the battery after needling is different due to the difference of the respective safety characteristics, for example, the lithium iron phosphate is in swelling expansion, the ternary lithium battery is in explosion firing, and safety guarantee measures are needed in the needling test experiment process for safety.
Disclosure of Invention
In order to solve the technical problems in the background technology, the utility model provides a device for a safety needling experiment.
The utility model provides a device for a safety needling experiment, which comprises an explosion-proof box, wherein the explosion-proof box comprises an explosion-proof box body with an opening at one side and an explosion-proof door, the explosion-proof box body is provided with an exhaust hole provided with a plurality of layers of sintered metal nets, the explosion-proof door is positioned at the opening and pivoted with the explosion-proof box body in a matched manner, and the explosion-proof door is provided with a window provided with transparent explosion-proof glass; the anti-explosion box body is internally provided with a needling platform and an object carrying platform from top to bottom in sequence, the needling platform can move up and down relative to the object carrying platform, the needling platform is connected with a driving mechanism, the driving mechanism is connected with a remote controller, and the remote controller is used for sending control instructions to control the driving mechanism.
Preferably, the carrying platform comprises a base and a positioning mechanism, wherein the positioning mechanism is arranged on the base and is used for placing the battery on the base at fixed points.
Preferably, the positioning mechanism comprises two clamps which are symmetrically arranged, the clamps comprise a first transverse plate and a first vertical plate, the first transverse plate is provided with a first strip-shaped through hole for fixing the first transverse plate on the base, and the first through hole extends along the length direction of the first transverse plate; the first riser is vertically fixed to one end of the first cross plate in the length direction thereof, and the first risers of the two jigs are arranged face to face.
Preferably, the clamp further comprises a second riser and a second cross plate; the second vertical plate is arranged on the first vertical plate in a sliding manner along the vertical direction, and a first locking assembly used for enabling the second vertical plate to be relatively fixed with the first vertical plate is connected between the second vertical plate and the first vertical plate; the second transverse plate is vertically fixed at the top end of the second vertical plate, and the free end faces of the second transverse plates of the two clamps are arranged opposite to each other.
Preferably, the first locking assembly comprises a bolt and a nut; the first riser is provided with a second strip-shaped through hole extending along the vertical direction, the second strip-shaped through hole vertically penetrates through the two side faces of the first riser opposite to each other in the thickness direction, the corresponding part of the second riser and the second strip-shaped through hole is provided with a first through hole, and a bolt penetrates through the first through hole and the second strip-shaped through hole and is in threaded connection with a nut so as to fix the second riser on the first riser.
Preferably, the first through hole or the second bar-shaped through hole is a countersunk hole.
Preferably, the carrying platform comprises two guide posts, a mounting plate and a needle body; the two guide posts are symmetrically arranged on the base station, and two ends of the mounting plate are respectively connected with the two guide posts in a sliding manner along the vertical direction; the mounting plate is connected with a driving mechanism, and the driving mechanism is used for driving the mounting plate to slide along the vertical direction; the needle body is installed on the mounting panel, and the syringe needle of needle body is perpendicular towards the base station.
Preferably, a through hole for the needle to pass through is arranged at the position of the base corresponding to the needle.
Preferably, the base bottom is provided with feet.
Preferably, a second locking component for fixing the explosion door and the explosion-proof box body relatively after the explosion door is covered with the opening is also connected between the explosion-proof door and the explosion-proof box body.
According to the device for the safe needling experiment, disclosed by the utility model, the needling platform can be driven to move downwards by controlling the driving mechanism through the remote controller, so that the needling experiment on the battery to be needled on the carrying platform is realized, the performance of the battery after needling can be observed through the explosion-proof glass on the explosion-proof door, the driving mechanism is prevented from being directly operated by a human body or controlled to move up and down by controlling the driving mechanism through the button on the box body, and the safety is effectively improved; moreover, when the explosion of the battery is on fire, the pressure in the explosion-proof box is suddenly increased, the gas in the explosion-proof box can be outwards released from the exhaust hole, the explosion-proof box is ensured not to be permanently deformed or damaged, and flame generated by the explosion of the battery cannot be transmitted to the environment outside the explosion-proof box through the multi-layer sintered metal net, so that the safety is further improved.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for safety needling experiments according to an embodiment of the present utility model.
Fig. 2 is an enlarged schematic view at a of fig. 1.
Fig. 3 is an enlarged schematic view at B of fig. 1.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 and 2, an apparatus for safety needling experiments according to the present utility model includes: the device comprises an explosion-proof box, an object carrying platform, a needling platform, a driving mechanism and a remote controller;
the explosion-proof box comprises an explosion-proof box body 1 with an opening at one side and an explosion-proof door, wherein the explosion-proof door is positioned at the opening and is pivoted with the explosion-proof box body 1 in a matched manner, a window is formed in the explosion-proof door, and transparent explosion-proof glass is arranged in the window; the explosion-proof box body 1 is provided with an exhaust hole, and a plurality of layers of sintered metal nets 10 are arranged in the exhaust hole;
the needling platform and the carrying platform are sequentially arranged in the explosion-proof box body 1 from top to bottom, and the needling platform can move up and down relative to the carrying platform; the driving mechanism is connected with the needling platform and is used for driving the needling platform to move up and down; the remote controller is in wireless connection with the driving mechanism and is used for sending a control instruction to control the driving mechanism.
When the utility model is particularly used, the explosion-proof door is opened, the battery to be needled is placed on the carrying platform, then the explosion-proof door is closed, the driving mechanism is controlled by the remote controller to drive the needling platform to move downwards, the needling test is carried out on the battery to be needled positioned on the carrying platform, the appearance of the battery after needling can be observed through the explosion-proof glass on the explosion-proof door, the direct operation of the driving mechanism by a human body or the driving mechanism is controlled by a button on the box body to drive the needling platform to move up and down, and the safety is effectively improved; moreover, when the explosion of the battery is on fire, the pressure in the explosion-proof box is suddenly increased, the gas in the explosion-proof box can be outwards released from the exhaust hole, the explosion-proof box is ensured not to be permanently deformed or damaged, and the flame generated by the explosion of the battery cannot be transmitted to the environment outside the explosion-proof box through the multi-layer sintered metal net 10, so that the safety is further ensured.
In order to avoid the battery from shifting in the needling process, so as to improve the needling accuracy, in this embodiment, the carrying platform includes a base 2 and a positioning mechanism, the positioning mechanism is disposed on the base 2, and the positioning mechanism is used for placing the battery on the base 2 at a fixed point.
Referring to fig. 1 and 3, in a further embodiment, the positioning mechanism comprises two clamps symmetrically arranged, the clamps comprise a first transverse plate 4 and a first vertical plate 5, the first transverse plate 4 is provided with a first strip-shaped through hole for fixing the first transverse plate 4 on the base, and the first through hole extends along the length direction of the first transverse plate 4; the first riser 5 is vertically fixed to one end of the first cross plate 4 in the length direction thereof, and the first risers 5 of the two jigs are arranged face to face.
In the specific implementation, the batteries are placed on the base station 2 at fixed points through the cooperation of the first vertical plates 5 of the two clamps, and the batteries are suitable for batteries with different specifications.
In a further embodiment, the clamp further comprises a second riser 6 and a second cross plate 7; the second vertical plate 6 is arranged on the first vertical plate 5 in a sliding manner along the vertical direction, and a first locking assembly for relatively fixing the second vertical plate 6 and the first vertical plate 5 is connected between the second vertical plate 6 and the first vertical plate 5; the second transverse plate 7 is vertically fixed at the top end of the second vertical plate 6, and the free end faces of the second transverse plates 7 of the two clamps are arranged opposite to each other.
In the implementation process, the second transverse plates 7 of the two clamps are matched to position the batteries from the top of the batteries, and the batteries are suitable for batteries of different specifications.
The free end of the second transverse plate 7 in this embodiment specifically refers to the other end of the second transverse plate 7 opposite to the end to which the first riser 5 is fixed.
In a further embodiment, the first locking assembly comprises a bolt and a nut; the first riser 5 is provided with a second strip-shaped through hole extending along the vertical direction, the second strip-shaped through hole vertically penetrates through two side surfaces of the first riser 5 opposite to each other in the thickness direction, the corresponding part of the second riser 6 and the second strip-shaped through hole is provided with a first through hole, and a bolt penetrates through the first through hole and the second strip-shaped through hole and is in threaded connection with a nut so as to fix the second riser 6 on the first riser 5.
In a further embodiment, the first through hole or the second bar-shaped through hole is a countersunk hole to avoid the head of the bolt to contact the battery, which can be positioned simultaneously by the second riser 6 or the first riser 5 and the second transverse plate 7.
In this embodiment, the carrying platform comprises two guide posts 3, a mounting plate 8 and a needle body 9; the two guide posts 3 are symmetrically arranged on the base 2, and two ends of the mounting plate 8 are respectively connected with the two guide posts 3 in a sliding manner along the vertical direction; the mounting plate 8 is connected with a driving mechanism, and the driving mechanism is used for driving the mounting plate 8 to slide along the vertical direction; the needle body 9 is mounted on the mounting plate 8, and the needle head of the needle body 9 is vertically oriented toward the base 2.
In order to ensure that the needle body 9 completely penetrates the battery during needling and to prevent the needle body 9 from colliding with the abutment 2, in a further embodiment, a through hole is provided in the abutment 2 in correspondence with the needle for the needle to pass through.
In order to further prevent the needle 9 from colliding with the bottom of the explosion-proof housing 1, in a further embodiment the base 2 is provided with feet at the bottom.
In a further embodiment, the mounting plate 8 is arranged horizontally to make the force of the mounting plate 8 against the needle 9 more uniform.
Of course, in this embodiment, a second locking assembly for relatively fixing the explosion door and the explosion proof box 1 after the opening is covered is further connected between the explosion door and the explosion proof box 1.
In particular, the second locking assembly is a prior art lock arrangement.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. The device for the safe needling experiment is characterized by comprising an explosion-proof box, wherein the explosion-proof box comprises an explosion-proof box body (1) with an opening at one side and an explosion-proof door, the explosion-proof box body (1) is provided with an exhaust hole provided with a plurality of layers of sintered metal nets (10), the explosion-proof door is positioned at the opening and is pivoted with the explosion-proof box body (1) in a matched manner, and the explosion-proof door is provided with a window provided with transparent explosion-proof glass; the anti-explosion box body (1) is internally provided with a needling platform and a carrying platform from top to bottom in sequence, the needling platform can move up and down relative to the carrying platform, the needling platform is connected with a driving mechanism, the driving mechanism is connected with a remote controller, and the remote controller is used for sending control instructions to control the driving mechanism.
2. The device for safety needling experiments according to claim 1, characterized in that the loading platform comprises a base (2) and a positioning mechanism arranged on the base (2), the positioning mechanism being used for placing the battery on the base (2) at fixed points.
3. The device for safety needling experiments according to claim 2, characterized in that the positioning mechanism comprises two clamps symmetrically arranged, the clamps comprise a first transverse plate (4) and a first vertical plate (5), the first transverse plate (4) is provided with a first strip-shaped through hole for fixing the first transverse plate (4) on the base, and the first through hole extends along the length direction of the first transverse plate (4); the first riser (5) is vertically fixed to one end of the first cross plate (4) in the length direction thereof, and the first risers (5) of the two jigs are arranged face to face.
4. A device for safety needling experiments according to claim 3, characterized in that the clamp further comprises a second riser (6) and a second cross plate (7); the second vertical plate (6) is arranged on the first vertical plate (5) in a sliding manner along the vertical direction, and a first locking assembly for enabling the second vertical plate (6) to be relatively fixed with the first vertical plate (5) is connected between the second vertical plate (6) and the first vertical plate (5); the second transverse plate (7) is vertically fixed at the top end of the second vertical plate (6), and the free end faces of the second transverse plates (7) of the two clamps are arranged opposite to each other.
5. The apparatus for safety needling experiments of claim 4, wherein the first locking assembly comprises a bolt and a nut; a second strip-shaped through hole extending along the vertical direction is formed in the first vertical plate (5), the second strip-shaped through hole vertically penetrates through two side faces of the first vertical plate (5) opposite to each other in the thickness direction, a first through hole is formed in the position, corresponding to the second strip-shaped through hole, of the second vertical plate (6), a bolt penetrates through the first through hole and the second strip-shaped through hole and is in threaded connection with a nut, and therefore the second vertical plate (6) is fixed on the first vertical plate (5).
6. The device for safety needling experiments of claim 5, wherein the first through hole or the second bar-shaped through hole is a counter bore.
7. The device for safety needling experiments according to any of the claims 2-6, characterized in that the loading platform comprises two guide posts (3), a mounting plate (8) and a needle body (9); the two guide posts (3) are symmetrically arranged on the base station (2), and two ends of the mounting plate (8) are respectively connected with the two guide posts (3) in a sliding manner along the vertical direction; the mounting plate (8) is connected with a driving mechanism, and the driving mechanism is used for driving the mounting plate (8) to slide along the vertical direction; the needle body (9) is arranged on the mounting plate (8), and the needle head of the needle body (9) faces the base station (2) vertically.
8. The device for safety needling experiments according to claim 7, characterized in that the abutment (2) is provided with a through hole for the needle to pass through in correspondence of the needle.
9. The device for safety needling experiments according to claim 8, characterized in that the base (2) is provided at the bottom with feet.
10. The device for safety needling experiments according to claim 1, characterized in that a second locking assembly for relatively fixing the explosion door and the explosion proof box (1) after the opening is covered is also connected between the explosion proof door and the explosion proof box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322009188.3U CN220491006U (en) | 2023-07-28 | 2023-07-28 | Device for safe needling experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322009188.3U CN220491006U (en) | 2023-07-28 | 2023-07-28 | Device for safe needling experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220491006U true CN220491006U (en) | 2024-02-13 |
Family
ID=89838532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322009188.3U Active CN220491006U (en) | 2023-07-28 | 2023-07-28 | Device for safe needling experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220491006U (en) |
-
2023
- 2023-07-28 CN CN202322009188.3U patent/CN220491006U/en active Active
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