CN209071574U - Battery thermal runaway spreads simulator - Google Patents
Battery thermal runaway spreads simulator Download PDFInfo
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- CN209071574U CN209071574U CN201820602679.5U CN201820602679U CN209071574U CN 209071574 U CN209071574 U CN 209071574U CN 201820602679 U CN201820602679 U CN 201820602679U CN 209071574 U CN209071574 U CN 209071574U
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- battery
- simulator
- thermal runaway
- contactor
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a kind of battery thermal runaways to spread simulator.The battery thermal runaway spreads simulator, including battery modules ontology, heat source excite control system；The heat source excitation control system includes short-circuiting means, heating device and controller；The heating device includes power supply, the first variable resistance；The short-circuiting means includes the second adjustable resistance, contactor；Calandria is provided in the battery modules ontology；The calandria is connected by conducting wire with the first variable resistance, power supply；The battery modules ontology is connected by conducting wire with the second adjustable resistance, contactor；The power supply and contactor are electrically connected with the controller, the opening and closing of the controller control power supply and contactor.Testing equipment can be saved using battery thermal runaway sprawling simulator, and improve experiment and research efficiency.
Description
Technical field
The present invention relates to simulators more particularly to a kind of battery thermal runaway to spread simulator.
Background technique
It is well-known: secondary cell, especially lithium ion battery, because having higher energy density and longer using the longevity
It orders and is used on consumption electronic product, energy storage device and electric car on a large scale, but its security performance need to be mentioned
It is high.In recent years, the safety accidents such as more than 50 lithium batteries on fire, burning and explosion have occurred in world wide, wherein with Samsung hand
Machine battery safety accident influences maximum.Study the safety control technology of battery, it is necessary to carry out to battery thermal runaway sprawling characteristic deep
Enter research.Battery thermal runaway characteristic and reason of fire, thermal power, battery material characteristic etc. are related, at present to such more bases of research
In the actual tests of entity battery, these factors of system research to expend substantial amounts to the influence of thermal runaway sprawling characteristic
Entity battery do a large amount of test.Therefore, it is necessary to research and develop it is a kind of can simulate the simulated batteries of these factors in a system, with
It reduces research cost and improves research effect.
Utility model content
The technical problem to be solved by the utility model is to provide one kind being capable of the controlled simulation secondary cell kindling of energy, burning
Simulator is spread with the battery thermal runaway of explosion.
The technical scheme adopted by the utility model to solve the technical problem is as follows: battery thermal runaway spreads simulator, packet
Include battery modules ontology, heat source excitation control system；Heat source excitation control system include short-circuiting means, heating device and
Controller；
The heating device includes power supply, the first variable resistance；The short-circuiting means includes the second adjustable resistance, contact
Device；
Heater is provided in the battery modules ontology；The heater passes through conducting wire and the first variable resistance, power supply
Series connection；The battery modules ontology is connected by conducting wire with the second adjustable resistance, contactor；The power supply and contactor with
Controller electrical connection, the opening and closing of the controller control power supply and contactor.
Preferably, the battery modules ontology includes battery case, and anode, battery are provided in the battery case
Cathode and electrolyte, the electrolyte are arranged between anode and battery cathode；Heater setting battery just
Between pole and battery cathode.
Preferably, at least three battery cells are set in the battery modules ontology；One of battery cell is by leading
Line is connected with the second adjustable resistance, contactor；The heater is arranged between two battery cells.
Preferably, the contactor is using industrial contactor.
Preferably, the heater uses heating bar, fever tablet or heating wire.
Preferably, the power supply uses lithium ion battery.
The beneficial effects of the utility model are: battery thermal runaway described in the utility model spreads simulator, Neng Goumo
Quasi- battery catches fire, burning and explosion phenomenon study thermal runaway sprawling characteristic with this；Pass through structure or material in change battery case
It is equivalent to obtain different batteries；It excites control device to induce battery by heat source on fire, burning and explosion phenomenon occurs, is equivalent to
Battery actual tests generate these phenomenons, to save testing equipment, and improve experiment and research efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of battery thermal runaway sprawling simulator in the utility model embodiment；
Fig. 2 is the structural schematic diagram of battery modules ontology in the utility model embodiment；
Indicate in figure: 1- battery modules ontology, 2- battery cell, 3- heater, 4- conducting wire, 5- power supply, 6- first are variable
Resistance, 7- controller, 8- contactor, 9- the second adjustable resistance.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, battery thermal runaway described in the utility model spreads simulator, including battery modules ontology 1, heat
Source excitation control system；The heat source excitation control system includes short-circuiting means, heating device and controller 7；
The heating device includes power supply 5, the first variable resistance 6；The short-circuiting means includes the second adjustable resistance 9, connects
Tentaculum 8；
Heater 3 is provided in the battery modules ontology 1；The heater 3 by conducting wire 4 and the first variable resistance 6,
Power supply 5 is connected；The battery modules ontology 1 is connected by conducting wire 4 with the second adjustable resistance 9, contactor 8；The power supply 5 with
And contactor 8 is electrically connected with controller 7, the controller 7 controls the opening and closing of power supply 5 and contactor 8.
Specifically, the heat source excites control system, including short-circuiting means and heating device and controller 7, short circuit dress
It sets and is controlled by controller 7 with heating device.
The sprawling simulation of battery thermal runaway can be realized by following two mode during application.
One, the sprawling simulation of battery thermal runaway is realized by short-circuiting means；
When realizing the sprawling simulation of battery thermal runaway by short-circuiting means, controller 7 controls always the power supply 5 of heating device
It is in close state.
The short-circuiting means is made of the second adjustable resistance 9, contactor 8 and several conducting wires 4, conducting wire 4 and battery modules
Anode, cathode, the second adjustable resistance 9, the contactor 8 of ontology 1 connect, forming circuit；The contact of contactor 8 be opened or closed by
Controller 7 controls, so that controlling battery is in short-circuit condition or off state；When making battery be in short-circuit condition, pass through
The two poles of the earth are shorted by controller 7, are made connected simulation monomer have high current by generating high temperature, are induced battery modules ontology and generate
Phenomena such as kindling, burning and explosion, to obtain these phenomenal research thermal runaways sprawling characteristic.Change simultaneously the second adjustable resistance 9
Resistance value, can be changed back electric current, to control the thermal energy that battery modules obtain.
Two, the sprawling simulation of battery thermal runaway is realized by heating device；
When realizing the sprawling simulation of battery thermal runaway by short-circuiting means, controller 7 controls always the contact of short-circuiting means
The contact of device 8 is in an off state.
The heating device is made of a heater 3,4, one, several conducting wires the first variable resistance 6 of power supply 5, one,
Heater 3 is mounted in battery modules ontology 1, and remaining component is arranged in outside battery modules ontology 1, and controller 7 and short circuit fill
The controller 7 set is same；Conducting wire 4 and heater 3 are connect after connecting with the first variable resistance 6 and power supply 5,5 energy of power supply
Heater is set to generate heat, induction causes mould group to generate phenomena such as catching fire, burn and exploding；Electric power output voltage and electric current can pass through
Variable resistance is adjusted, to adapt to the thermal energy that different battery modules need.5 output voltage of power supply and electric current can pass through change simultaneously
The resistance value of first variable resistance 5 is adjusted, so that the thermal energy that battery modules obtain is controlled, to adapt to the heat that different battery modules need
Energy.
In conclusion battery thermal runaway described in the utility model spreads simulator, by the way that simulated battery monomer is arranged
Simulated battery mould group is formed, provides thermal energy to battery modules, and this energy size can be adjusted by control transposition, make battery mould
Phenomena such as group obtains heat appropriate, and kindling, burning and explosion occur for heat induction battery modules ontology, these by obtaining show
As research thermal runaway sprawling characteristic, to test instead of laboratory's actual battery, a large number of experiments equipment is saved, raising research is imitated
Rate.
In order to which the thermal runaway for replacing different entities battery to carry out battery sprawling simulation may be implemented；Preferably, the battery
Mould group ontology 1 includes battery case 11, is provided with anode 12, battery cathode 13 and electrolyte in the battery case 11
14, the electrolyte 14 is arranged between anode 12 and battery cathode 13；The heater 3 is arranged in 12 He of anode
Between battery cathode 13.
The battery modules ontology 1 using the above structure, can be simulated by the different positive and negative anodes of replacement, electrolyte
The battery of different structure, different materials；Or it is formed by the product battery combination of removing pack case.These ways can replace reality
Body battery carries out the thermally safe research of battery.
In order to realize the simulation of the short-circuit thermal runaway sprawling of single battery monomer 2, it is preferred that in the battery modules ontology 1
At least three battery cells 2 are set；One of battery cell 2 is connected by conducting wire 4 with the second adjustable resistance 9, contactor 8；
The heater 3 is arranged between two battery cells 2.
The contactor 8 is with common type, it is preferable that is that electric current receiving energy is strong, lasts a long time, low-cost work
Industry contactor.
The heater 3 can be different heat material, such as heating bar, fever tablet and heating wire etc., mention for battery body
Supplying heat source, phenomena such as making battery generation on fire, burning and explode, so that thermal runaway spreads characteristic research.
The power supply 5 is generally DC power supply, it is preferable that for the lithium ion battery that energy density is higher, lasts a long time.Institute
Contactor 8 is stated using industrial contactor.
Embodiment one
Referring to attached drawing 2, a kind of battery thermal runaway sprawling simulator, the approach that battery modules ontology 1 obtains thermal energy is outer
The conversion of power supply electric energy, it includes battery modules ontology 1, heater 3, controller 7,5 and of power supply that battery thermal runaway, which spreads simulator,
Conducting wire 4, the first variable resistance 6, the second adjustable resistance 9, contactor 8.
In the present embodiment, above-mentioned battery body 1 is integrated into anode 12 as shown in Fig. 1, by cell positive material, incites somebody to action
Cell negative electrode material is integrated into 14 for battery cathode 13, by electrolyte, this three is fixed in shell 11 by frame.
In the present embodiment, above-mentioned heater 3 is plus heating resistance wire 2, this resistance wire can generate 150 DEG C or more high temperature, draw
Electrolyte 14, anode 12 and battery cathode 13 is played to catch fire.
In the present embodiment, above-mentioned power supply 4 is lithium ion battery.
In the present embodiment, in the present embodiment, heating device is used to provide heat for the sprawling simulation of the thermal runaway of battery.
Embodiment two:
As shown in Figure 1, anode 12, battery cathode 13 and electrolyte 14 is not single in this example in battery modules ontology 1
It is solely integrated, but directly using the battery product for completing activation procedure but non-capsule on production line for manufacturing battery, this battery product volume
It is wound on heater 3.Remaining structure is the same as example 1.
Embodiment three:
Referring to attached drawing 1, a kind of battery thermal runaway sprawling simulator, the device passes through heating device and realizes battery thermal runaway
Sprawling simulation；Make battery modules short circuit manner that mould group be made to obtain thermal energy to induce thermal runaway sprawling phenomenon, electricity in the embodiment
Chi Mo group only short-circuit 1 battery cell.Principle of heating is different outer, remaining structure is the same as example 1.
Claims (6)
1. battery thermal runaway spreads simulator, it is characterised in that: excite control system including battery modules ontology (1), heat source；
The heat source excitation control system includes short-circuiting means, heating device and controller (7)；
The heating device includes power supply (5), the first variable resistance (6)；The short-circuiting means include the second adjustable resistance (9),
Contactor (8)；
Heater (3) are provided in the battery modules ontology (1)；The heater (3) can power transformation by conducting wire (4) and first
Hinder (6), power supply (5) series connection；The battery modules ontology (1) is gone here and there by conducting wire (4) and the second adjustable resistance (9), contactor (8)
Connection；The power supply (5) and contactor (8) are electrically connected with controller (7), and the controller (7) controls power supply (5) and connects
The opening and closing of tentaculum (8).
2. battery thermal runaway as described in claim 1 spreads simulator, it is characterised in that: the battery modules ontology (1)
Including battery case (11), anode (12), battery cathode (13) and electrolyte are provided in the battery case (11)
(14), the electrolyte (14) is arranged between anode (12) and battery cathode (13)；The heater (3) is arranged in electricity
Between pond anode (12) and battery cathode (13).
3. battery thermal runaway as described in claim 1 spreads simulator, it is characterised in that: the battery modules ontology (1)
At least three battery cells of interior setting (2)；One of battery cell (2) by conducting wire (4) and the second adjustable resistance (9), connect
Tentaculum (8) series connection；The heater (3) is arranged between two battery cells (2).
4. battery thermal runaway as claimed in claim 2 or claim 3 spreads simulator, it is characterised in that: the contactor (8) uses
Industrial contactor.
5. battery thermal runaway as claimed in claim 2 or claim 3 spreads simulator, it is characterised in that: the heater (3) uses
Heating bar, fever tablet or heating wire.
6. battery thermal runaway as claimed in claim 2 or claim 3 spreads simulator, it is characterised in that: the power supply (5) uses lithium
Ion battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820602679.5U CN209071574U (en) | 2018-04-26 | 2018-04-26 | Battery thermal runaway spreads simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820602679.5U CN209071574U (en) | 2018-04-26 | 2018-04-26 | Battery thermal runaway spreads simulator |
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| CN209071574U true CN209071574U (en) | 2019-07-05 |
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| CN201820602679.5U Active CN209071574U (en) | 2018-04-26 | 2018-04-26 | Battery thermal runaway spreads simulator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376812A (en) * | 2018-04-26 | 2018-08-07 | 桂林电子科技大学 | Battery thermal runaway spreads simulator |
| CN110649190A (en) * | 2019-08-16 | 2020-01-03 | 国网江苏省电力有限公司 | Fire model and fire simulation method for lithium iron phosphate energy storage power station |
| CN111913115A (en) * | 2020-07-30 | 2020-11-10 | 广州小鹏汽车科技有限公司 | Thermal runaway triggering method of battery and battery testing system |
| CN115294745A (en) * | 2022-05-23 | 2022-11-04 | 电子科技大学 | Lithium battery thermal runaway layering early warning method based on neural network and data difference |
-
2018
- 2018-04-26 CN CN201820602679.5U patent/CN209071574U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376812A (en) * | 2018-04-26 | 2018-08-07 | 桂林电子科技大学 | Battery thermal runaway spreads simulator |
| CN110649190A (en) * | 2019-08-16 | 2020-01-03 | 国网江苏省电力有限公司 | Fire model and fire simulation method for lithium iron phosphate energy storage power station |
| CN110649190B (en) * | 2019-08-16 | 2022-09-23 | 国网江苏省电力有限公司 | Fire model and fire simulation method for lithium iron phosphate energy storage power station |
| CN111913115A (en) * | 2020-07-30 | 2020-11-10 | 广州小鹏汽车科技有限公司 | Thermal runaway triggering method of battery and battery testing system |
| CN115294745A (en) * | 2022-05-23 | 2022-11-04 | 电子科技大学 | Lithium battery thermal runaway layering early warning method based on neural network and data difference |
| CN115294745B (en) * | 2022-05-23 | 2023-09-29 | 电子科技大学 | Lithium battery thermal runaway layered early warning method based on neural network and data difference |
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