CN109893956A - Soft package lithium battery thermal runaway gas filtering and collecting device and operation method thereof - Google Patents
Soft package lithium battery thermal runaway gas filtering and collecting device and operation method thereof Download PDFInfo
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- CN109893956A CN109893956A CN201910276215.9A CN201910276215A CN109893956A CN 109893956 A CN109893956 A CN 109893956A CN 201910276215 A CN201910276215 A CN 201910276215A CN 109893956 A CN109893956 A CN 109893956A
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- 238000001914 filtration Methods 0.000 title claims abstract description 75
- 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
- 238000000034 method Methods 0.000 title claims description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000004880 explosion Methods 0.000 claims abstract description 18
- 238000013022 venting Methods 0.000 claims abstract description 13
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 231100000331 toxic Toxicity 0.000 claims description 2
- 230000002588 toxic effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 33
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000005341 toughened glass Substances 0.000 claims 1
- 239000002341 toxic gas Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 8
- 238000011017 operating method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The invention discloses a soft package lithium battery thermal runaway gas filtering and collecting device, which structurally comprises: 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 present invention is a kind of soft package lithium battery thermal runaway gas filtration collection device and its operating method, belongs to lithium battery neck
Domain.
Background technique
Currently, power battery is an important component of new-energy automobile, safety is vital technology
Parameter.For the safety of battery, wherein two tests are the detection of needle thorn and heating stove heating detection.For simulated battery by
Situation when needle pierces, it is general that battery is penetrated with certain rate or pierces through the half of battery using the pricker with different-diameter,
Whether observation battery there is situations such as on fire, explosion or leakage, but test is only carried out under single situation to be protected
The thermal runaway of battery is demonstrate,proved, and the detection device deposited now can not accomplish to control battery thermal runaway, cell gas filtering, gas receipts
The integration of collection when gas collection, can not adjust the variation of test gas flow, need to separate to carry out testing inspection, in addition,
If battery explosion, then the power that battery explosion generates can be very big, it is easy to wound tester, not can guarantee testing staff
Safety, and battery is in tray interior infinite place device, it is easy to roll, lead to that test can not carry out or test data is inaccurate
Really, there is operational poor, the low defect of testing efficiency, this is in place of the deficiencies in the prior art.
Summary of the invention
The present invention is a kind of soft package lithium battery thermal runaway gas filtration collection device and its operating method, it is therefore an objective to be controlled soft
Packet battery guarantees that soft-package battery reaches thermal runaway state, while by two-stage filtration system, is more in line with the gas extracted and wanting
It asks, and by the adjustment of valve, the flow of gas discharge is controlled, convenient for precisely detecting the gas of collection.
Technical solution of the invention:
A kind of soft package lithium battery thermal runaway gas filtration collection device, including steel needle driving device, heating device, gas transfer dress
It sets, gas collector, gas-filtering device, cell fixing device and base support structure, the steel needle driving device packet
Include controller 1, cylinder 2, drive rod 24, steel needle 28；The heating device includes heating furnace 16 and heating furnace switch 17；The gas
Body transfer device includes discharge chamber 4, exhaust fan 25, suction control valve 5；The gas-filtering device includes neutralizer filtration system
23 and suction adjuster 7: the gas collector includes flow control valve 9 and gas collecting bag 10；The neutralizer filtering
Device is made of five filtration grades, is separated between every level by particle filtering net 32；The cell fixing device include cabinet 21,
Stationary fixture 26, venting of dust explosion piece 31；Base support structure includes pedestal 11, first support bar 12, the support of the second support plate 8, second
Bar 18, pole support frame 20, the first support plate 3, the first support base 27, the second support base 30；Wherein, institute in cell fixing device
It states second support bar 18 to be fixed on the base, 20 one end of pole support rod is bolted on 18 top of second support bar, separately
One end connects the first support plate 3, and 12 bottom end of first support bar is fixed on the pedestal 11, and the second support plate 8 is fixedly connected with the
One support rod, 12 top；The heating device, cell fixing device, neutralizer filter device successively ring set, are fixed with sealing ring,
Neutralizer filter device, gas transfer device, gas collector are connected to by connecting tube with regulating valve, and steel needle driving device is worn
The connected steel needle of neutralization filtration system is crossed, the cylinder 2 in the steel needle driving device is fixed on the first support plate 3, cylinder driving
Bar 24 passes through the limit hole 24a on pole support frame 20 and the first support plate 3, and heating furnace 16 is connected on the pedestal 11, heating furnace
The second support base 30 is fixed with inside 16, the suction adjuster 7 in the gas transfer device is mounted in the second support plate 18,
Gas collection bag 10 in the gas collector is placed on pedestal 11, and the first support base 27 is fixed on inside cabinet 21, institute
It states the stationary fixture 26 in cell fixing device to be fixed on the first support base 27,23 upper end of the neutralizer filter device connection
Discharge chamber 4 in gas transfer device, the discharge chamber 4 are internally provided with exhaust fan 25, and discharge chamber 4 passes through the first connecting tube 6
It is connect with sucking adjuster 7, the sucking adjuster 7 is connected to by the second connecting tube 6a with gas collection bag 10.
The neutralizer filter device 23 agrees with ring set with 21 top of cabinet and docks, and external rings are cased with the second sealing ring 22,
21 bottom end of cabinet is agreed with ring set with heating furnace 16 and is docked, and external rings are cased with the first sealing ring 13.
It is threaded with the second bolt 19 at the second support bar 18 and the ring set of pole support frame 20, described first is close
Seal 13 is punished with the opening of the second sealing ring 22 and is connected by the 4th bolt 22a, the pedestal 11 and first support base
It is provided with one group of screw thread shrinkage pool on 27, round air hole 27a is equipped among the first support base 27.
The heating furnace 16 is placed on the pedestal 11, and 16 bottom end of heating furnace is provided with one group of fixed plate 15, often
A fixed plate 15 is threadedly coupled the first bolt 14 respectively, and the heating furnace sidewall is provided with heating furnace switch 17, described to add
It is fixed with the second support base 30 inside hot stove 16, the first support base 27 is fixed with inside the cabinet 21.
Cylinder 2 is fixed in first support plate 3 of the steel needle driving device, controller 1 is provided on cylinder 2, cylinder 2
Drive rod 24 passes through the spacing collar 24a in the first support plate 3 and pole support frame 20, and drive rod 24 passes through neutralizer filter device
23 are fixedly connected with steel needle 28.
The suction adjuster 7 includes activated carbon tube, silicone tube and the wash-bottle containing sodium hydroxide, by route and outside
The connection of portion's power supply, 7 front of sucking adjuster is provided with one group of flow regulation button 7a.
The cabinet 21 of the cell fixing device is polyethylene cabinet, and quality 1.7KG is highly 0.8m, and capacity is
Suction control valve 5 and flow control valve 9, the first connecting tube are respectively arranged on 120L, the first connecting tube 6 and the second connecting tube 6a
6 and second connecting tube 6a be polyfluortetraethylene pipe, length 1-2m.
The neutralizer filter device 23 is made of five filtration grades, is 18dm respectively from lower to upper3Coarse granule separating layer,
18dm3Active carbon layer, 9cm3Potassium permanganate layer, 9dm3Active oxidation aluminium layer, particulate filter layer, middle part pass through particle filtering net
Lattice 32 are isolated, and filter element is having a size of 30*30*60cm3。
28 diameter of steel needle of the steel needle drive system is 3.8mm, and controller is table control TPC8-8TDLS type controller.
The inner wall of the cabinet 21 is provided with venting of dust explosion piece 31, and the venting of dust explosion piece (31) is lower negative pressure arch venting of dust explosion piece.
Its operating method, comprising the following steps:
(1) it opens exhaust fan 25 and sucks the switch of adjuster 7, adjusted by the controller setting sucking on sucking adjuster 7
Soft-package battery is placed on support base 1 by the flow parameter of device 7, and stationary fixture 26 is pressed on to the both ends of soft-package battery,
The bolt 3 29 at 26 both ends of stationary fixture is tightened, the fixation of soft-package battery is completed, by sealing ring 1 and sealing ring 2 22
Four 22a of bolt is tightened, and makes to form closed state inside cabinet 21；
(2) starting controller 1 switchs, and is configured by parameter of the controller 1 to cylinder 2, and cylinder 2 is driven by drive rod 24
Steel needle 28 carries out pressurization puncture to soft-package battery, so that thermal runaway occurs in soft-package battery, the gas of soft-package battery discharge is being evacuated
Pass through neutralizer filtration system 23 under the action of fan 25, by-pass filtration is carried out, by biggish particle and some toxic and harmful gas
It is filtered；
(3) gas after by-pass filtration enters sucking adjuster 7 by connecting tube 1, carries out secondary filtration, some to HF etc. have
Poisonous gas is adsorbed again, and the gas after secondary filtration enters in gas collection bag 10 by two 6a of connecting tube, completes gas
Filter operation；
(4) one 5 He of suction control valve is adjusted in the filtering traffic according to set by neutralizer filtration system and sucking adjuster
Suction control valve 29 controls the flow of gas transmission, and gas filtration efficiency is made to reach highest, and the filtering for being finally completed gas is received
Collection；
(5) battery is placed on support base 2 30, starting heating furnace 16 switchs, and heating furnace 16 heats battery, causes battery
Thermal runaway, the gas that battery thermal runaway generates carry out above-mentioned firsts and seconds by the air hole 27a among support base 1
Filter operation is finally completed being collected by filtration for gas.
The utility model has the advantages that
1) it is provided between neutralizer filtration system, cabinet and heating furnace for detachable apparatus convenient for the installation and taking-up of battery
Thermal runaway environmental condition is sufficient, can stablize the thermal runaway effect for realizing soft-package battery, reach experiment purpose.
2) gas that collection device obtains can be filtered effectively, and gas flow is controllable.
3) the venting of dust explosion piece of cabinet wall plays protective action, and cabinets cavity is avoided to cause to explode because pressure is excessive.
4) convenient for operation, easy to spread and use.
Detailed description of the invention
Attached drawing 1 is the schematic perspective view of soft package lithium battery gas filtration collection device；
Attached drawing 2 is the sectional view of the cabinet of soft package lithium battery gas filtration collection device, neutralizer filter device etc.；
Attached drawing 3 is the perspective view of soft package lithium battery gas filtration collection device；
Attached drawing 4 is the partial enlarged view of soft package lithium battery gas filtration collection device A；
Attached drawing 5 is the partial enlarged view of soft package lithium battery gas filtration collection device B；
Attached drawing 6 is the main view of soft package lithium battery gas filtration collection device；
Attached drawing 7 is the separate views of soft package lithium battery gas filtration the first support base of collection device.
Attached drawing 8 is the connection principle schematic diagram of soft package lithium battery thermal runaway gas filtration collection device controller.
Attached drawing 9 is that the internal material of soft package lithium battery thermal runaway gas filtration collection device neutralizer filtration system is illustrated
Figure.
1 is controller in attached drawing, and 2 be cylinder, and 3 be the first support plate, and 4 be discharge chamber, and 5 be suction control valve, and 6 be first
Connecting tube, 6a are the second connecting tubes, and 7 be suction adjuster, and 7a is flow regulation button, and 8 be the second support plate, and 9 be flow tune
Valve is saved, 10 be gas collection bag, and 11 be pedestal, and 12 be first support bar, and 13 be the first sealing ring, and 14 be the first bolt, and 15 are
Fixed plate, 16 be heating furnace, and 17 be heating furnace switch, and 18 be second support bar, and 19 be the second bolt, and 20 be pole support frame,
21 be cabinet, and 22 be the second sealing ring, and 22a is the 4th bolt, and 23 be neutralizer filter device, and 24 be drive rod, and 24a is limit
Circle, 25 be exhaust fan, and 26 be stationary fixture, and 27 be the first support base, and 27a is air hole, and 28 be steel needle, and 29 be third bolt,
30 be the second support base, and 31 be venting of dust explosion piece, and 32 be particle filtering net.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
As shown in attached drawing 1-7, structure of the invention includes pedestal 11, and pedestal 11 is fixedly connected with the bottom end of second support bar 18,
18 top ring set pole support frame 20 of second support bar, the other end of pole support frame 20 connect the first support plate 3, the first support
It is fixed with cylinder 2 on plate 3, controller 1 is provided on cylinder 2, settable parameter controls cylinder 2, the drive rod of cylinder 2
24 pass through the spacing collar 24a in the first support plate 3 and pole support frame 20, convenient for limiting the direction of motion of drive rod 24, driving
Bar 24 passes through neutralizer filter device 23 and is fixedly connected with steel needle 28, and ring set pair is agreed on neutralizer filter device 23 and 21 top of cabinet
It connects, easy to disassemble, external rings are cased with the second sealing ring 22, convenient for fixed, the cabinet 21 by neutralizer filter device 23 and cabinet 21
Bottom end is agreed with ring set with heating furnace 16 and is docked, and external rings are cased with the first sealing ring 13, convenient for heating furnace 16 and cabinet 21 is fixed,
Heating furnace 16 is placed on the pedestal 11, and 16 bottom end of heating furnace is provided with one group of fixed plate 15, and each fixed plate 15 is distinguished screw thread and connected
The first bolt 14 is connect, convenient for heating furnace 16 to be fixed, 16 side wall of heating furnace is provided with heating furnace switch 17, in heating furnace 16
Portion is fixed with the second support base 30, and cabinet 21 is fixed with the first support base 27, and 23 upper end of neutralizer filter device is connected to discharge chamber
4, discharge chamber 4 is internally provided with exhaust fan 25, and convenient for pumping, discharge chamber 4 is connect by the first connecting tube 6 with suction adjuster 7,
Suction adjuster 7 is connected to by the second connecting tube 6a with gas collection bag 10, and suction adjuster 7 is placed in the second support plate 8,
Second support plate 8 is fixedly connected with 12 top of first support bar, and 12 bottom end of first support bar is fixed on the pedestal 11, gas collection bag
10 place on the pedestal 11.
It is threadedly coupled the second bolt 19 at second support bar 18 and the ring set of pole support frame 20, convenient for adjusting pole support
The opening punishment of the height of frame 20, the first sealing ring 13 and the second sealing ring 22 is connected by four 22a of the 4th bolt, 11 He of pedestal
One group of screw thread shrinkage pool is provided on first support base 27, convenient for agreeing with corresponding bolt, for the fixation of corresponding mechanism, first
The middle part of support base 27 is provided with round air hole 27a.
Suction adjuster 7 is made of activated carbon tube, silicone tube and wash-bottle containing sodium hydroxide, passes through route and external
Power supply connection, 7 front of suction adjuster are provided with one group of flow regulation button 7a, and how much is the flow of adjustable suction.
The material of cabinet 21 is polyethylene, and quality 1.7KG is highly 0.8m, capacity 120L, 6 He of the first connecting tube
It is respectively arranged with suction control valve 5 and flow control valve 9 on second connecting tube 6a, convenient for the gas of transmission is adjusted, the
The material of one connecting tube 6 and the second connecting tube 6a are polyfluortetraethylene pipe, length 1-2m.
As shown in Fig. 9, the neutralizer filter device 23 is made of five filtration grades, is 18dm respectively from lower to upper3
Coarse granule separating layer, 18dm3Active carbon layer, 9cm3Potassium permanganate layer, 9dm3Active oxidation aluminium layer, particulate filter layer, middle part are logical
The isolation of particle filtering grid 32 is crossed, filter element is having a size of 30*30*60cm3。
28 diameter of steel needle is 3.8mm.
As shown in Fig. 8, the controller 1 is table control TPC8-8TDLS type controller, has the input of 8 way switch amounts and 8
No. 16 controllers of way switch amount output, can quickly and easily realize the automatic control of cylinder, hydraulic cylinder, several minutes can be complete
It is arranged at simple function, input terminal can connect limit switch as input control, is convenient to by being simply arranged
Realize the functions such as switch control, switch starting, stopping, position control, timing controlled and process control.
The inner wall of the cabinet 21 is provided with venting of dust explosion piece 31, avoids 21 internal pressure of cabinet excessive so as to cause explosion.
Its operating procedure are as follows: open the switch of exhaust fan 25 and suction adjuster 7, the flow ginseng of setting suction adjuster 7
Number is detachable apparatus between neutralizer filter device 23, cabinet 21 and heating furnace 16, will convenient for the installation and taking-up of battery
Soft-package battery is placed on the first support base 27, and stationary fixture 26 is pressed on to the both ends of soft-package battery, by 26 liang of stationary fixture
The third bolt 29 at end is tightened, and the fixation of soft-package battery is completed, by the 4th bolt of the first sealing ring 13 and the second sealing ring 22
22a is tightened, and makes to form closed state inside cabinet 21, and starting controller 1 switchs, and 2 parameter of cylinder is arranged, and cylinder 2 passes through driving
Bar 24 drives steel needle 28 to carry out pressurization puncture to soft-package battery, so that thermal runaway occurs in soft-package battery, soft-package battery is discharged at this time
Gas pass through neutralizer filter device 23 under the action of exhaust fan 25, carry out by-pass filtration, the gas after by-pass filtration is logical
Cross the first connecting tube 6 and enter suction adjuster 7, carry out secondary filtration, the gas after secondary filtration by the second connecting tube 6a into
Enter in gas collection bag 10, while controlling the flow of gas by adjusting suction control valve 5 and flow control valve 9, is finally completed
The collection of gas.In order to cause the thermal runaway of battery, it is also provided with heating furnace 16, battery is placed on the second support base 30,
Start heating furnace 16 to switch, heating furnace 16 heats battery, causes battery thermal runaway, and the gas that battery thermal runaway generates passes through the
Air hole 27a among one support base 27 carries out above-mentioned firsts and seconds filter operation, the collection of gas is finally completed, if hot
Out of control to lead to battery explosion, the venting of dust explosion piece 31 of 21 inner wall of cabinet can play protective action, avoid 21 chamber pressure of cabinet
It is excessive to cause to explode.
Claims (10)
1. a kind of soft package lithium battery thermal runaway gas filtration collection device, it is characterized in that include steel needle driving device, heating device,
Gas transfer device, gas collector, gas-filtering device, cell fixing device and base support structure, the steel needle
Driving device includes controller (1), cylinder (2), drive rod (24), steel needle (28)；The heating device includes heating furnace (16)
(17) are switched with heating furnace；The gas transfer device includes discharge chamber (4), exhaust fan (25), suction control valve (5)；It is described
Gas-filtering device includes neutralizer filter device (23) and suction adjuster (7)；The gas collector includes flow tune
Save valve (9) and gas collecting bag (10)；The neutralizer filter device is made of five filtration grades, passes through particle mistake between every level
Strainer (32) separates；The cell fixing device includes cabinet (21), stationary fixture (26), venting of dust explosion piece (31)；Pedestal support knot
Structure includes pedestal (11), first support bar (12), the second support plate (8), second support bar (18), pole support frame (20),
One support plate (3), the first support base (27), the second support base (30)；Wherein, second support bar described in cell fixing device
(18) it is fixed on the base, pole support rod (20) one end is bolted on second support bar (18) top, and the other end connects
It connects the first support plate (3), first support bar (12) bottom end is fixed on the pedestal (11), and the second support plate (8) is fixedly connected
First support bar top；The heating device, cell fixing device, neutralizer filter device successively ring set, are fixed with sealing ring,
Neutralizer filter device, gas transfer device, gas collector are connected to by connecting tube with regulating valve, and steel needle driving device is worn
The connected steel needle of neutralization filtration system is crossed, the cylinder (2) in the steel needle driving device is fixed on the first support plate (3), cylinder
Drive rod (24) passes through the limit hole (24a) on pole support frame (20) and the first support plate (3), and heating furnace (16) is connected in bottom
On seat (11), it is fixed with the second support base (30) inside heating furnace (16), the suction adjuster (7) in the gas transfer device
It being mounted on the second support plate (18), the gas collection bag (10) in the gas collector is placed on pedestal (11), and first
Support base (27) is fixed on cabinet (21) inside, and the stationary fixture (26) in the cell fixing device is fixed on the first support base
(27) on, neutralizer filter device (23) upper end is connected to the discharge chamber (4) in gas transfer device, the discharge chamber (4)
It is internally provided with exhaust fan (25), discharge chamber (4) is connect by the first connecting tube (6) with sucking adjuster (7), and the sucking is adjusted
Section device (7) is connected to by the second connecting tube (6a) with gas collection bag (10)；The inner wall of the cabinet (21) is provided with venting of dust explosion piece
(31), the venting of dust explosion piece (31) is lower negative pressure arch venting of dust explosion piece.
2. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 1, it is characterized in that: in described
Agree with ring set with cabinet (21) top with agent filter device (23) to dock, external rings are cased with the second sealing ring (22), the cabinet
(21) bottom end is agreed with ring set with heating furnace (16) and is docked, and external rings are cased with the first sealing ring (13).
3. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 2, it is characterized in that: described
It is threaded with the second bolt (19) at two support rods (18) and the ring set of pole support frame (20), first sealing ring (13)
Opening punishment with the second sealing ring (22) is connected by the 4th bolt (22a), the pedestal (11) and first support base
(27) it is provided with one group of screw thread shrinkage pool on, round air hole (27a) is equipped among the first support base (27).
4. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 1, it is characterized in that: described add
Hot stove (16) is placed on the pedestal (11), and heating furnace (16) bottom end is provided with one group of fixed plate (15), each described
Fixed plate (15) is threadedly coupled the first bolt (14) respectively, and the heating furnace sidewall is provided with heating furnace switch (17), described to add
It is fixed with the second support base (30) inside hot stove (16), is fixed with the first support base (27) inside the cabinet (21).
5. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 1, it is characterized in that: the steel
It fixes cylinder (2), is provided on cylinder (2) controller (1) in the first support plate (3) of needle actuating device, the driving of cylinder (2)
Bar (24) passes through the spacing collar (24a) on the first support plate (3) and pole support frame (20), and drive rod (24) passes through neutralizer mistake
Filter device (23) is fixedly connected with steel needle (28).
6. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 1, it is characterized in that: the suction
Draught control mechanism (7) includes activated carbon tube, silicone tube and the wash-bottle containing sodium hydroxide, is connect by route with external power supply,
Sucking adjuster (7) front is provided with one group of flow regulation button (7a).
7. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 1, it is characterized in that: the electricity
The cabinet (21) of the fixed device in pond is polyethylene or tempered glass, and quality 1.7KG is highly 0.8m, capacity 120L, first
Suction control valve (5) and flow control valve (9), the first connecting tube are respectively arranged in connecting tube (6) and the second connecting tube (6a)
(6) and the second connecting tube (6a) is polyfluortetraethylene pipe, length 1-2m.
8. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 1, it is characterized in that: in described
It is made of with agent filter device (23) five filtration grades, is 18dm respectively from lower to upper3Coarse granule separating layer, 18dm3Active carbon
Layer, 9cm3Potassium permanganate layer, 9dm3Active oxidation aluminium layer, particulate filter layer, middle part are isolated by particle filtering grid (32),
Filter element is having a size of 30*30*60cm3。
9. a kind of soft package lithium battery thermal runaway gas filtration collection device according to claim 1, it is characterized in that: the steel
Steel needle (28) diameter of needle drive system is 3.8mm, and controller is table control TPC8-8TDLS type controller.
10. operating a kind of method of soft package lithium battery thermal runaway gas filtration collection device as described in claim 1, feature
Be the following steps are included:
(1) exhaust fan (25) are opened and sucks the switch of adjuster (7), set and inhaled by the controller in sucking adjuster (7)
Soft-package battery is placed on the first support base (27) by the flow parameter for entering adjuster (7), stationary fixture (26) is pressed on soft
The third bolt (29) at stationary fixture (26) both ends is tightened, completes the fixation of soft-package battery by the both ends of packet battery, close by first
4th bolt (22a) of seal (13) and the second sealing ring (22) is tightened, and makes to form closed state inside cabinet (21)；
(2) starting controller (1) switch, is configured, cylinder (2) passes through driving by parameter of the controller (1) to cylinder (2)
Bar (24) drives steel needle (28) to carry out pressurization puncture to soft-package battery, so that thermal runaway, soft-package battery discharge occurs in soft-package battery
Gas pass through neutralizer filtration system (23) under the action of exhaust fan (25), carry out by-pass filtration, by biggish particle and
Some toxic and harmful gas are filtered；
(3) gas after by-pass filtration enters sucking adjuster (7) by the first connecting tube (6), secondary filtration is carried out, to HF etc.
Some toxic gases are adsorbed again, and the gas after secondary filtration enters in gas collection bag (10) by the second connecting tube,
Complete the filter operation of gas；
(4) according to neutralizer filtration system and sucking adjuster set by filtering traffic be adjusted suction control valve (5) and
Flow control valve (9) controls the flow of gas transmission, and gas filtration efficiency is made to reach highest, and the filtering for being finally completed gas is received
Collection；
(5) battery being placed on the second support base (30), starting heating furnace (16) switch, heating furnace (16) heats battery,
Cause battery thermal runaway, the gas that battery thermal runaway generates is carried out by the first support base (27) intermediate air hole (27a)
The firsts and seconds filter operation stated, is finally completed being collected by filtration for gas.
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Application publication date: 20190618 |