CN210079131U - Soft packet of lithium cell thermal runaway gas filters collection device - Google Patents
Soft packet of lithium cell thermal runaway gas filters collection device Download PDFInfo
- Publication number
- CN210079131U CN210079131U CN201920462846.5U CN201920462846U CN210079131U CN 210079131 U CN210079131 U CN 210079131U CN 201920462846 U CN201920462846 U CN 201920462846U CN 210079131 U CN210079131 U CN 210079131U
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- filtering
- gas
- neutralizer
- box body
- thermal runaway
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000004880 explosion Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000013022 venting Methods 0.000 claims abstract description 13
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000011362 coarse particle Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 239000005341 toughened glass Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 9
- 150000001721 carbon Chemical class 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a soft packet of lithium cell thermal runaway gas filtration collection device, its structure includes: steel needle drive arrangement, heating device, gaseous transfer device, gas collection device, neutralizer filter equipment, battery fixing device and base bearing structure, characterized by: the base bearing structure is fixedly connected with the heating device, the neutralizer filtering device, the battery fixing device and the heating device are sequentially sleeved with a ring and fixed by the sealing ring, the neutralizer filtering device, the gas transfer device and the gas collecting device are connected through the connecting pipe, the steel needle driving device penetrates through the neutralization filtering system to be fixedly connected with the steel needle, and the whole gas filtering and collecting device is fixed at the corresponding position of the base bearing structure. The advantages are that: the box body is detachable, so that the battery can be conveniently installed and taken out; the explosion venting sheet on the inner wall of the box body can play a role in protection when the battery explodes; the device stably achieves the purpose of thermal runaway, filters and adjusts gas, and is easy to operate and popularize.
Description
Technical Field
The utility model relates to a soft packet of lithium cell thermal runaway gas filtration collection device belongs to the lithium cell field.
Background
At present, a power battery is an important component of a new energy automobile, and the safety of the power battery is an important technical parameter. For the safety of the battery, two tests are a needle prick test and a heating furnace heating test. In order to simulate the situation of a battery when the battery is subjected to a needle prick, pricking pins with different diameters are generally adopted to penetrate the battery or pierce half of the battery at a certain speed to observe whether the battery is on fire, explodes or leaks, but the test is only carried out under a single condition, the thermal runaway of the battery cannot be ensured, the existing detection device cannot control the integration of the thermal runaway of the battery, the gas filtration of the battery and the gas collection of the battery, the change of the flow of the test gas cannot be adjusted during the gas collection, the test detection needs to be carried out separately, in addition, if the battery explodes, the power generated by the explosion of the battery is very large, the tester is very easy to be damaged, the safety of the tester cannot be ensured, and the battery has no limit device in the box body and is easy to roll, so that the test cannot be carried out or the test data are inaccurate, and the operability is poor, the defect of low testing efficiency is the deficiency of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a soft packet of lithium cell thermal runaway gas filtration collection device, the purpose is control soft packet of battery, guarantees that soft packet of battery reaches the thermal runaway state, simultaneously through two-stage filtration system, makes the gaseous meeting the requirements more of drawing to through the adjustment of valve, the gaseous exhaust flow of control, the accurate gas that detects the collection of being convenient for.
The technical solution of the utility model is as follows:
a soft package lithium battery thermal runaway gas filtering and collecting device comprises a steel needle driving device, a heating device, a gas transferring device, a gas collecting device, a gas filtering device, a battery fixing device and a base supporting structure, wherein the steel needle driving device comprises a controller 1, a cylinder 2, a driving rod 24 and a steel needle 28; the heating device comprises a heating furnace 16 and a heating furnace switch 17; the gas transfer device comprises an exhaust cavity 4, an exhaust fan 25 and a suction regulating valve 5; the gas filtration device comprises a neutralizer filtration system 23 and a suction regulator 7: the gas collecting device comprises a flow regulating valve 9 and a gas collecting bag 10; the neutralizer filtration unit consists of five filtration stages, each stage being separated by a particulate filter screen 32; the battery fixing device comprises a box body 21, a fixing clamp 26 and an explosion venting sheet 31; the base supporting structure comprises a base 11, a first supporting rod 12, a second supporting plate 8, a second supporting rod 18, a folding rod supporting frame 20, a first supporting plate 3, a first supporting seat 27 and a second supporting seat 30; the second support rod 18 in the battery fixing device is fixed on the base, one end of the folding rod support frame 20 is connected to the top end of the second support rod 18 through a bolt, the other end of the folding rod support frame is connected with the first support plate 3, the bottom end of the first support rod 12 is fixed on the base 11, and the second support plate 8 is fixedly connected with the top end of the first support rod 12; the heating device, the battery fixing device and the neutralizer filtering device are sequentially sleeved and fixed by a sealing ring, the neutralizer filtering device, the gas transfer device and the gas collecting device are communicated through a connecting pipe and a regulating valve, the steel needle driving device penetrates through a neutralization filtering system to be fixedly connected with a steel needle, a cylinder 2 in the steel needle driving device is fixed on a first supporting plate 3, a cylinder driving rod 24 penetrates through a folding rod supporting frame 20 and a limiting ring 24a on the first supporting plate 3, a heating furnace 16 is fixedly connected on a base 11, a second supporting seat 30 is fixed inside the heating furnace 16, an absorption regulator 7 in the gas transfer device is installed on a second supporting plate 8, a gas collecting bag 10 in the gas collecting device is arranged on the base 11, the first supporting seat 27 is fixed inside a box body 21, a fixing clamp 26 in the battery fixing device is fixed on the first supporting seat 27, the upper end of the neutralizer filtering device 23 is communicated with an exhaust cavity 4 in the gas transfer device, an exhaust fan 25 is arranged in the exhaust cavity 4, the exhaust cavity 4 is connected with a suction regulator 7 through a first connecting pipe 6, and the suction regulator 7 is communicated with a gas collecting bag 10 through a second connecting pipe 6 a.
The neutralizer filtering device 23 is in fit-ring butt joint with the top end of the box body 21, a second sealing ring 22 is sleeved on the outer ring, the bottom end of the box body 21 is in fit-ring butt joint with the heating furnace 16, and a first sealing ring 13 is sleeved on the outer ring.
The heating furnace 16 is placed on the base 11, a group of fixing plates 15 are arranged at the bottom end of the heating furnace 16, each fixing plate 15 is in threaded connection with a first bolt 14, a heating furnace switch 17 is arranged on the side wall of the heating furnace, a second supporting seat 30 is fixed inside the heating furnace 16, and a first supporting seat 27 is fixed inside the box body 21.
The cylinder 2 is fixed on the first supporting plate 3 of the steel needle driving device, the controller 1 is arranged on the cylinder 2, the driving rod 24 of the cylinder 2 penetrates through the first supporting plate 3 and the limiting ring 24a on the folding rod supporting frame 20, and the driving rod 24 penetrates through the neutralizer filtering device 23 and is fixedly connected with the steel needle 28.
The suction regulator 7 comprises an activated carbon tube, a silicone tube and a washing bottle containing sodium hydroxide, and is connected with an external power supply through a circuit, and the front part of the suction regulator 7 is provided with a group of flow regulating buttons 7 a.
The box body 21 of the battery fixing device is a polyethylene box body, the mass of the box body is 1.7KG, the height of the box body is 0.8m, the capacity of the box body is 120L, the first connecting pipe 6 and the second connecting pipe 6a are respectively provided with the suction adjusting valve 5 and the flow adjusting valve 9, the first connecting pipe 6 and the second connecting pipe 6a are polytetrafluoroethylene pipes, and the length of the first connecting pipe 6 and the length of the second connecting pipe 6a are 1-2 m.
The neutralizer filtering device 23 consists of five filtering stages which are respectively 18dm from bottom to top3Coarse particle separating layer, 18dm3Activated carbon layer, 9cm39dm potassium permanganate layer3Active alumina layer, particulate filter layer, the middle part is separated by particle filter screen 32, the size of filter unit is 30 × 60cm3。
The diameter of a steel needle 28 of the steel needle driving system is 3.8mm, and the controller is an appearance control TPC8-8TDLS type controller.
The inner wall of the box body 21 is provided with an explosion venting sheet 31, and the explosion venting sheet (31) is a low negative pressure arch-shaped explosion venting sheet.
Has the advantages that:
1) the detachable device is arranged between the neutralizer filtering system, the box body and the heating furnace, so that the battery can be conveniently installed and taken out, the provided thermal runaway environmental condition is sufficient, the thermal runaway effect of the soft package battery can be stably realized, and the experimental purpose is achieved.
2) The gas obtained by the collecting device can be effectively filtered, and the gas flow can be controlled.
3) The explosion venting sheet on the inner wall of the box body plays a role in protection, and explosion caused by overlarge pressure in the inner cavity of the box body is avoided.
4) Convenient operation, easy popularization and use.
Drawings
FIG. 1 is a schematic perspective view of a gas filtering and collecting device for a soft package lithium battery;
FIG. 2 is a cross-sectional view of the box body of the gas filtering and collecting device of the soft package lithium battery, a neutralizer filtering device and the like;
FIG. 3 is a perspective view of a gas filtering and collecting device for a soft package lithium battery;
FIG. 4 is a partial enlarged view of a gas filtering and collecting device A of the soft package lithium battery;
FIG. 5 is a partial enlarged view of a gas filtering and collecting device B of a soft package lithium battery;
FIG. 6 is a front view of a soft-packed lithium battery gas filtration and collection device;
fig. 7 is an isolated view of the first support base of the gas filtering and collecting device for the soft-packed lithium battery.
Fig. 8 is a schematic diagram of the wiring principle of the controller of the thermal runaway gas filtering and collecting device of the soft package lithium battery.
FIG. 9 is a schematic diagram of internal materials of a neutralizer filtering system of a soft package lithium battery thermal runaway gas filtering and collecting device.
In the drawing, 1 is a controller, 2 is a cylinder, 3 is a first support plate, 4 is an exhaust chamber, 5 is a suction adjusting valve, 6 is a first connection pipe, 6a is a second connection pipe, 7 is a suction regulator, 7a is a flow adjusting button, 8 is a second support plate, 9 is a flow adjusting valve, 10 is a gas collecting bag, 11 is a base, 12 is a first support rod, 13 is a first seal ring, 14 is a first bolt, 15 is a fixing plate, 16 is a heating furnace, 17 is a heating furnace switch, 18 is a second support rod, 19 is a second bolt, 20 is a folding rod support frame, 21 is a box, 22 is a second seal ring, 22a is a fourth bolt, 23 is a neutralizer filtering device, 24 is a drive rod, 24a limit ring, 25 is an exhaust fan, 26 is a fixing jig, 27 is a first support seat, 27a is an air vent, 28 is a steel needle, 29 is a third bolt, 30 is a second support seat, 31 is explosion venting sheet, 32 is particle filter screen.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in the attached figures 1-7, the structure of the utility model comprises a base 11, the base 11 is fixedly connected with the bottom end of a second support bar 18, the top end of the second support bar 18 is sleeved with a folding bar support frame 20, the other end of the folding bar support frame 20 is connected with a first support plate 3, a cylinder 2 is fixed on the first support plate 3, a controller 1 is arranged on the cylinder 2, parameters can be set to control the cylinder 2, a driving rod 24 of the cylinder 2 passes through a limiting ring 24a on the first support plate 3 and the folding bar support frame 20 to facilitate the limitation of the movement direction of the driving rod 24, the driving rod 24 passes through a neutralizer filter 23 to be fixedly connected with a steel needle 28, the neutralizer filter 23 is butted with a top end fitting ring sleeve of a box body 21 to facilitate disassembly, an outer ring sleeve is sleeved with a second sealing ring 22 to facilitate the fixation of the neutralizer filter 23 with the box body 21, the outer part is sleeved with a first sealing ring 13 to fix a heating furnace 16 and a box body 21 conveniently, the heating furnace 16 is placed on a base 11, the bottom end of the heating furnace 16 is provided with a group of fixing plates 15, each fixing plate 15 is respectively in threaded connection with a first bolt 14 to fix the heating furnace 16 conveniently, the side wall of the heating furnace 16 is provided with a heating furnace switch 17, a second supporting seat 30 is fixed inside the heating furnace 16, the box body 21 is fixed with a first supporting seat 27, the upper end of a neutralizer filtering device 23 is communicated with an exhaust cavity 4, an exhaust fan 25 is arranged inside the exhaust cavity 4 to facilitate air exhaust, the exhaust cavity 4 is connected with an suction regulator 7 through a first connecting pipe 6, the suction regulator 7 is communicated with a gas collecting bag 10 through a second connecting pipe 6a, the suction regulator 7 is placed on a second supporting plate 8, the second supporting plate 8 is fixedly connected with the top end of a first, the gas collection pouch 10 is placed on a base 11.
The second support rod 18 is in threaded connection with the second bolt 19 at the ring sleeve of the folding rod support frame 20, so that the height of the folding rod support frame 20 can be adjusted conveniently, the opening parts of the first sealing ring 13 and the second sealing ring 22 are connected through the fourth bolt 22a, a group of threaded concave holes are formed in the base 11 and the first support seat 27, the corresponding bolts can be conveniently matched, the corresponding mechanisms can be fixed conveniently, and the circular air holes 27a are formed in the middle of the first support seat 27.
The suction regulator 7 consists of an activated carbon tube, a silicone tube and a washing bottle containing sodium hydroxide, and is connected with an external power supply through a circuit, and the front part of the suction regulator 7 is provided with a group of flow regulating buttons 7a for regulating the flow of suction.
The box body 21 is made of polyethylene, the mass of the box body is 1.7KG, the height of the box body is 0.8m, the capacity of the box body is 120L, the first connecting pipe 6 and the second connecting pipe 6a are respectively provided with the suction adjusting valve 5 and the flow adjusting valve 9, so that transmitted gas can be conveniently adjusted, the first connecting pipe 6 and the second connecting pipe 6a are made of polytetrafluoroethylene pipes, and the length of the first connecting pipe 6 and the second connecting pipe 6a is 1-2 m.
As shown in FIG. 9, the neutralizer filtration unit 23 comprises five filtration stages, from bottom to top18dm3Coarse particle separating layer, 18dm3Activated carbon layer, 9cm39dm potassium permanganate layer3Active alumina layer, particulate filter layer, the middle part is separated by particle filter screen 32, the size of filter unit is 30 × 60cm3。
The diameter of the steel needle 28 is 3.8 mm.
As shown in fig. 8, the controller 1 is a table control TPC8-8TDLS type controller, and a 16-way controller having 8-way switching value input and 8-way switching value output, can conveniently and quickly implement automatic control of the cylinder and the hydraulic cylinder, can complete simple function setting within several minutes, can connect the limit switch at the input end as input control, and can conveniently implement functions such as switch control, switch start, stop, position control, timing control, and program control by simple setting.
The inner wall of the box body 21 is provided with an explosion venting sheet 31, so that explosion caused by overlarge pressure inside the box body 21 is avoided.
The operation steps are as follows: opening the switch of the air exhaust fan 25 and the suction regulator 7, setting the flow parameter of the suction regulator 7, the neutralizer filtering device 23, a detachable device is arranged between the box body 21 and the heating furnace 16, which is convenient for the installation and the taking out of the battery, placing the soft package battery on the first supporting seat 27, tightly pressing the fixing clamp 26 at the two ends of the soft package battery, tightly screwing the third bolts 29 at the two ends of the fixing clamp 26 to complete the fixing of the soft package battery, tightly screwing the fourth bolts 22a of the first sealing ring 13 and the second sealing ring 22 to form a closed state in the box body 21, starting the switch of the controller 1, setting the parameters of the air cylinder 2, the air cylinder 2 driving the steel needle 28 to pressurize and puncture the soft package battery through the driving rod 24, so that the soft package battery has thermal runaway, at the moment, the gas discharged by the soft package battery passes through the neutralizer filtering device 23 under the action of the air exhaust fan 25 to, gas after the primary filtration enters the suction regulator 7 through the first connecting pipe 6 to be subjected to secondary filtration, the gas after the secondary filtration enters the gas collecting bag 10 through the second connecting pipe 6a, and meanwhile, the gas is controlled to flow through the suction regulating valve 5 and the flow regulating valve 9 to finally complete the gas collection. In order to cause the thermal runaway of the battery, the heating furnace 16 is further arranged, the battery is placed on the second supporting seat 30, the switch of the heating furnace 16 is started, the heating furnace 16 heats the battery to cause the thermal runaway of the battery, the gas generated by the thermal runaway of the battery is subjected to the primary and secondary filtering operations through the air holes 27a in the middle of the first supporting seat 27, and finally the gas is collected, if the thermal runaway causes the explosion of the battery, the explosion venting sheet 31 on the inner wall of the box body 21 can play a role in protection, and the explosion caused by the overlarge pressure of the inner cavity of the box body 21 is avoided.
Claims (10)
1. A soft package lithium battery thermal runaway gas filtering and collecting device is characterized by comprising a steel needle driving device, a heating device, a gas transferring device, a gas collecting device, a gas filtering device, a battery fixing device and a base supporting structure, wherein the steel needle driving device comprises a controller (1), a cylinder (2), a driving rod (24) and a steel needle (28); the heating device comprises a heating furnace (16) and a heating furnace switch (17); the gas transfer device comprises an exhaust cavity (4), an exhaust fan (25) and a suction regulating valve (5); the gas filtering device comprises a neutralizer filtering device (23) and a suction regulator (7); the gas collecting device comprises a flow regulating valve (9) and a gas collecting bag (10); the neutralizer filtering device consists of five filtering stages, and each stage is separated by a particle filtering screen (32); the battery fixing device comprises a box body (21), a fixing clamp (26) and an explosion venting sheet (31); the base supporting structure comprises a base (11), a first supporting rod (12), a second supporting plate (8), a second supporting rod (18), a folding rod supporting frame (20), a first supporting plate (3), a first supporting seat (27) and a second supporting seat (30); the battery fixing device is characterized in that a second supporting rod (18) is fixed on a base, one end of a folding rod supporting frame (20) is connected to the top end of the second supporting rod (18) through a bolt, the other end of the folding rod supporting frame is connected with a first supporting plate (3), the bottom end of a first supporting rod (12) is fixed on the base (11), and a second supporting plate (8) is fixedly connected with the top end of the first supporting rod; the heating device, the battery fixing device and the neutralizer filtering device are sequentially sleeved in a ring and are fixed by a sealing ring, the neutralizer filtering device, the gas transfer device and the gas collecting device are communicated through a connecting pipe and a regulating valve, a steel needle driving device penetrates through a neutralization filtering system to be fixedly connected with a steel needle, a cylinder (2) in the steel needle driving device is fixed on a first supporting plate (3), a cylinder driving rod (24) penetrates through a folding rod supporting frame (20) and a limiting ring (24 a) on the first supporting plate (3), a heating furnace (16) is fixedly connected on a base (11), a second supporting seat (30) is fixed inside the heating furnace (16), an absorption regulator (7) in the gas transfer device is installed on a second supporting plate (8), a gas collecting bag (10) in the gas collecting device is arranged on the base (11), and a first supporting seat (27) is fixed inside a box body (21), fixing jig (26) among the battery fixing device are fixed on first supporting seat (27), exhaust chamber (4) among neutralizer filter equipment (23) upper end intercommunication gas transfer device, exhaust chamber (4) inside is provided with air extraction fan (25), and exhaust chamber (4) are connected with suction regulator (7) through first connecting pipe (6), suction regulator (7) are through second connecting pipe (6 a) and gas collection bag (10) intercommunication.
2. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 1, wherein: the neutralizer filtering device (23) is in fit ring sleeve butt joint with the top end of the box body (21), a second sealing ring (22) is sleeved outside the neutralizer filtering device, the bottom end of the box body (21) is in fit ring sleeve butt joint with the heating furnace (16), and a first sealing ring (13) is sleeved outside the neutralizer filtering device.
3. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 2, wherein: second bracing piece (18) and the ring cover department threaded connection who rolls over pole support frame (20) have second bolt (19), the opening part of first sealing washer (13) and second sealing washer (22) is divided and is connected through fourth bolt (22 a), base (11) with be provided with a set of screw thread shrinkage pool on first supporting seat (27), be equipped with circular bleeder vent (27 a) in the middle of first supporting seat (27).
4. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 1, wherein: the heating furnace (16) is placed on the base (11), a set of fixing plates (15) are arranged at the bottom end of the heating furnace (16), each fixing plate (15) is in threaded connection with the first bolt (14) respectively, a heating furnace switch (17) is arranged on the side wall of the heating furnace, a second supporting seat (30) is fixed inside the heating furnace (16), and a first supporting seat (27) is fixed inside the box body (21).
5. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 1, wherein: fix cylinder (2) on steel needle drive arrangement's first backup pad (3), be provided with controller (1) on cylinder (2), spacing collar (24 a) on first backup pad (3) and folding rod support frame (20) are passed in actuating lever (24) of cylinder (2), and neutralizing agent filter equipment (23) fixed connection steel needle (28) are passed in actuating lever (24).
6. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 1, wherein: the suction regulator (7) comprises an activated carbon tube, a silicone tube and a washing bottle containing sodium hydroxide, and is connected with an external power supply through a circuit, and a group of flow regulating buttons (7 a) are arranged at the front part of the suction regulator (7).
7. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 1, wherein: the box body (21) of the battery fixing device is made of polyethylene or toughened glass, the mass of the box body is 1.7KG, the height of the box body is 0.8m, the capacity of the box body is 120L, the first connecting pipe (6) and the second connecting pipe (6 a) are respectively provided with a suction adjusting valve (5) and a flow adjusting valve (9), the first connecting pipe (6) and the second connecting pipe (6 a) are made of polytetrafluoroethylene pipes, and the length of the first connecting pipe (6) and the second connecting pipe (6 a) is 1-2 m.
8. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 1, wherein: the neutralizer filtering device (23) consists of five filtering stages, wherein the neutralizer filtering device comprises an 18dm3 coarse particle separating layer, an 18dm3 activated carbon layer, a 9cm3 potassium permanganate layer, a 9dm3 activated aluminum oxide layer and a particulate filter layer from bottom to top, the middle parts of the neutralizer filtering device are separated by a particle filtering net (32), and the size of a filtering unit is 30 × 60cm 3.
9. The thermal runaway gas filtering and collecting device for the soft package lithium battery as claimed in claim 1, wherein: the diameter of a steel needle (28) of the steel needle driving system is 3.8mm, and the controller is a surface control TPC8-8TDLS type controller.
10. The thermal runaway gas filtering and collecting device for the soft-package lithium battery as claimed in claim 1, characterized in that the inner wall of the box body (21) is provided with an explosion venting sheet (31), and the explosion venting sheet (31) is a low negative pressure arch-shaped explosion venting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462846.5U CN210079131U (en) | 2019-04-08 | 2019-04-08 | Soft packet of lithium cell thermal runaway gas filters collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462846.5U CN210079131U (en) | 2019-04-08 | 2019-04-08 | Soft packet of lithium cell thermal runaway gas filters collection device |
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| Publication Number | Publication Date |
|---|---|
| CN210079131U true CN210079131U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920462846.5U Active CN210079131U (en) | 2019-04-08 | 2019-04-08 | Soft packet of lithium cell thermal runaway gas filters collection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068942A (en) * | 2020-07-29 | 2022-02-18 | 辉能科技股份有限公司 | Thermal runaway suppression assembly and application thereof |
| CN114094099A (en) * | 2020-07-29 | 2022-02-25 | 辉能科技股份有限公司 | Thermal runaway inhibitor and application thereof |
-
2019
- 2019-04-08 CN CN201920462846.5U patent/CN210079131U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068942A (en) * | 2020-07-29 | 2022-02-18 | 辉能科技股份有限公司 | Thermal runaway suppression assembly and application thereof |
| CN114094099A (en) * | 2020-07-29 | 2022-02-25 | 辉能科技股份有限公司 | Thermal runaway inhibitor and application thereof |
| CN114068942B (en) * | 2020-07-29 | 2024-04-12 | 辉能科技股份有限公司 | Thermal runaway suppression assembly and application thereof |
| CN114094099B (en) * | 2020-07-29 | 2024-05-07 | 辉能科技股份有限公司 | Thermal runaway inhibitor and application thereof |
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