CN206788338U - A kind of Li-ion batteries piles thermal runaway test device - Google Patents
A kind of Li-ion batteries piles thermal runaway test device Download PDFInfo
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- CN206788338U CN206788338U CN201720319197.4U CN201720319197U CN206788338U CN 206788338 U CN206788338 U CN 206788338U CN 201720319197 U CN201720319197 U CN 201720319197U CN 206788338 U CN206788338 U CN 206788338U
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- batteries piles
- test device
- ion batteries
- support slot
- lithium ion
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Abstract
The utility model discloses a kind of Li-ion batteries piles thermal runaway test device, including experimental provision, test device, charge and discharge device, data acquisition and processing system；Experimental provision includes experimental box, experimental box forms by bottom plate, top plate, rear wall, left wall, right wall and with the hinged front door of left wall, bottom plate is provided with pallet, Li-ion batteries piles support slot is provided with pallet, Li-ion batteries piles support slot is made up of multiple lithium ion battery support slots, and temperature sensor fixing hole is provided with the top of each lithium ion battery support slot；Ventilating opening is provided with the center of top plate, ventilating opening is connected with discharge duct, and 1 pressure transmitter fix bar is respectively equipped with top plate both sides, and gas concentration sensor fix bar is provided with right wall；Test device includes temperature sensor, pressure transmitter and gas concentration sensor.It can realize that influence of the factors such as different charge-discharge magnifications to Li-ion batteries piles fuel factor is tested simultaneously using the utility model test device.
Description
Technical field
It the utility model is related to a kind of Li-ion batteries piles thermal runaway test device.
Background technology
In practical situations both, lithium ion battery is often come into operation in the form of battery pack, if Li-ion batteries piles
Generation fire explosion, harm and loss consequence ratio lithium-ion battery monomer are much serious caused by it.In recent years, reported both at home and abroad
The event of road Li-ion batteries piles blast on fire, Li-ion batteries piles charge and discharge process miscarriage is mostly due to, was caused
Fill and cross and put phenomenon, ultimately result in catastrophic effect.Therefore, the temperature of Li-ion batteries piles fuel factor is obtained, studies lithium ion
The hazard property of battery pack fuel factor, have great importance for prevention Li-ion batteries piles accident.
Utility model content
The purpose of this utility model is intended to improve the research of Li-ion batteries piles, there is provided a kind of Li-ion batteries piles thermal runaway
Test device, the test device is easy to operate, and manufacturing cost is low, and the factors such as charge-discharge magnification can be studied using the test device
For the one-sided influence of Li-ion batteries piles fuel factor and combined influence, and Li-ion batteries piles thermal effect can be obtained simultaneously
The hazard property answered.
The technical solution of the utility model is as follows：
A kind of Li-ion batteries piles thermal runaway test device, including experimental provision, test device, charge and discharge device, data
Collection and processing system；Described experimental provision includes experimental box, and described experimental box is by bottom plate, top plate, rear wall, left wall, the right side
Wall and front door hinged with left wall composition；Pallet is provided with described bottom plate, described pallet is by column and bottom plate
Connection；Be provided with Li-ion batteries piles support slot on described pallet, described Li-ion batteries piles support slot by multiple lithiums from
Sub- cell support groove is formed, and temperature sensor fixing hole is provided with the top of each lithium ion battery support slot and is used to install temperature
Sensor, resistance wire is wound in described lithium ion battery support slot outer wall；Can provided with circular at the center of described top plate
The ventilating opening of switch, experimental box has air-tightness after closing ventilating opening, and described ventilating opening is connected with discharge duct, described
Top plate both sides are respectively equipped with 1 pressure transmitter fix bar, and the bottom of described pressure transmitter fix bar is used for fixation pressure
Transmitter；Gas concentration sensor fix bar, described gas concentration sensor fix bar are provided with the center of described right wall
Left end be used for fixed gas concentration sensor；It is dense that described test device includes temperature sensor, pressure transmitter and gas
Sensor is spent, described temperature sensor is arranged in the temperature sensor fixing hole of experimental provision, described pressure transmitter
The bottom of pressure transmitter fix bar is fixed on, described gas concentration sensor is fixed on gas concentration sensor fix bar
Left end；Described charge and discharge device is battery pack comprehensive parameters ATE, battery pack comprehensive parameters ATE
It is connected through electric lead with the both positive and negative polarity of Li-ion batteries piles to be measured, battery set charge/discharge experiment can be achieved.
Preferably, described experimental box is regular hexahedron experimental box.Described front door is organic glass door, before described
Door right side is provided with switch handle.Described bottom plate, top plate, rear wall, left wall, right wall use stainless steel plate；Experimental box it is each
Air-tightness processing is done in the junction in face and other faces, experimental box is had air-tightness when being in fully closed conjunction state.The described right side
Wall is provided with 6 closable circular holes, is respectively：Air-filled pore, vent, gas sampling hole, aspirating hole, wind pushing hole, lead are worn
Hole, circular hole, which closes rear box, has air-tightness.Preferably, 6 circular holes are divided into 2 rows distribution, 3 circular holes of upper row up and down and are followed successively by
Air-filled pore, vent, gas sampling hole, 3 circular holes of lower row are followed successively by aspirating hole, wind pushing hole, lead perforation.The utility model
6 circular holes on ventilating opening and right wall on middle experiment roof box realize that the mode of switch is general knowledge known in this field：Institute
Corresponding hermatic door is respectively equipped with the ventilating opening and circular hole stated, hermatic door is fixed by rotary shaft, and hermatic door is using rotary shaft in
The heart carries out circular motion, realizes the switch of ventilating opening or circular hole.In experimentation, gas is filled with to experimental box inside through air-filled pore
Body；The concentration needed is tested as the gas concentration inside experimental box exceedes, passes through aspirating hole gas bleeding.In experimentation,
Wind is sent to experimental box inside through air outlet using outside blowing device, is discharged from exhaust outlet, in being internally formed for experimental box
Air-flow.In experimentation, experimental box internal gas sample is extracted out through gas sampling hole.It is automatic for connecting battery pack comprehensive parameters
The electric lead of test equipment and experimental provision is perforated through lead.
Preferably, described column is stainless steel strut.
Described Li-ion batteries piles support slot is made up of the lithium ion battery support slot arranged in multiple lines and multiple rows；Specifically
, totally 9 row, 30 lithium ion battery support slots of often row arrangement.Described lithium ion battery support slot is used for equipped with conducting strip
The connected composition Li-ion batteries piles of both positive and negative polarity of the lithium ion battery of adjacent lithium ion battery support slot will be installed on.
Preferably, the intracavity bottom of described lithium ion battery support slot, which is provided with, hooks angle, lithium ion battery support slot inner chamber
Vertical section be in convex-down, prevent the landing of lithium ion battery by hooking angle.Specifically, in described lithium ion battery support slot
Footpath is 18mm, external diameter 26mm, a height of 68mm.A length of 1mm, a height of 3mm at described hook angle.
Preferably, described lithium ion battery support slot is copper pipe；
Preferably, resistance wire fixing device is externally provided with described resistance wire, resistance wire fixing device is existed by uniform winding
High temperature resistant adhesive plaster outside resistance wire is made, and high temperature resistant adhesive plaster is under high-temperature operation environment known to electronics industry technical staff
The adhesive tape used, heat resistance is generally between 600-850 DEG C.Described resistance wire is set in lithium ion battery support slot upper end
There is resistance wire access point, picked out a little provided with resistance wire in lithium ion battery support slot lower end.
The aperture of described temperature sensor fixing hole is 2mm, is easy to temperature sensor to be inserted directly into temperature sensor peace
Fill in hole.
Preferably, described temperature sensor is thermocouple, preferably OMEGA-K types thermocouple, its response time
0.01s, for gathering lithium ion battery temperature to be measured.Described pressure transmitter is CYG1401MF type pressure transmitters, is used for
Gather lithium ion battery fuel factor blast pressure.Described gas concentration sensor passes for PYS3228TC type infrared-gas concentration
Sensor, for gathering each gas concentration after lithium ion battery fuel factor.
Preferably, described electric lead is crocodile clip electric lead.
Described charge and discharge device can select BTS-M 150A/120V battery pack comprehensive parameters ATEs.Electricity
Pond group comprehensive parameters ATE can complete multistage constant-current charge, modified constant-voltage charge, constant-current discharge, invariable power and put
The functions such as electricity, constant resistance discharge, dynamic inner walkway, multiple loop bodies and the circulation experiment of nesting, loop body can be completed
Interior parameter, stage can freely be set.Equipment charge current set range：0A-150A, discharge current set scope：0-150A,
Charge voltage range：6V-120V, discharge voltage range：6V-120V, within the range continuously adjustabe；Equipment time showing is differentiated
Rate：10 milliseconds, per phases-time setting range：- 1000 hours 1 second, intra-record slack byte set scope：50 milliseconds -1000 hours.
Preferably, described data acquisition and processing system includes multi-Channels Data Acquisition and DAS；Institute
The multi-Channels Data Acquisition stated is connected with temperature sensor, pressure transmitter and gas concentration sensor carrys out gathered data, and
Transfer data to DAS to be analyzed and handled, realize the collection research of lithium ion battery fuel factor hazard property
Experiment.Described multi-Channels Data Acquisition is Hydra2620A multi-Channels Data Acquisitions, and resolution ratio is 0.1 DEG C, the degree of accuracy
For ± 0.45 DEG C；Described DAS is Hydra Series Universal signal analysis softwares, for data and signal progress
Analysis and processing.
In the utility model Li-ion batteries piles thermal runaway test device, temperature sensor, pressure transmitter, gas concentration
The connection of sensor and multi-Channels Data Acquisition is the common knowledge of those skilled in the art.
According to the influence factor of Li-ion batteries piles fuel factor, the utility model Li-ion batteries piles thermal runaway test device
Li-ion batteries piles fuel factor is tested under the conditions of different discharge and recharges can be carried out.Before experiment, by the utility model lithium ion battery
Group fuel factor experimental provision is connected with test device, data acquisition and processing system, is connected according to experiment condition and charge and discharge device
Connect, check the circuit of various parts, and ensure that connection is good.During experiment, Li-ion batteries piles to be measured are embedded into lithium-ion electric
In the group support slot of pond, temperature sensor is connected with battery pack, is opened temperature, gas concentration, pressure acquisition software, is checked each passage
It is whether in running order, waiting signal；Then, according to the charge-discharge magnification of experiment condition, correspondingly setting charge and discharge device；
Finally, open data acquisition software and start gathered data, by temperature sensor measurement temperature signal, gas concentration sensor measurement
Gas concentration signal, pressure transmitter measurement lithium ion group fuel factor blast pressure signal, and signal is passed into data acquisition
Instrument, carry out the collection, processing and analysis of data.
The beneficial effects of the utility model are：
Li-ion batteries piles thermal resistance effect survey device system of the present utility model is rational in infrastructure, and easy to operate, function is more.Using
Battery pack comprehensive parameters ATE, change and charge and discharge device is used alone in the past, electric discharge device causes to use equipment
The problem of cumbersome when being tested.Lithium ion battery under different charge-discharge magnifications can be realized simultaneously using the test device
The influence test of group fuel factor, while the temperature data of Li-ion batteries piles fuel factor, gas concentration data, blast can be gathered
Pressure data.Experimental data acquisition precision is higher, and Data collecting and analysis system is easy to use, and can guarantee that measuring accuracy.
Brief description of the drawings
Fig. 1 is the schematic diagram of Li-ion batteries piles thermal runaway test device；
Fig. 2 is the structural representation of the experimental provision of Li-ion batteries piles thermal runaway test device；
Fig. 3 is the right view of the experimental provision of Li-ion batteries piles thermal runaway test device；
Fig. 4 is the structural representation of the lithium ion battery support slot of the experimental provision of Li-ion batteries piles thermal runaway test device
Figure；
In figure, 1- experimental boxs, 2- pallets, 3- columns, 4- Li-ion batteries piles support slots, 5- lithium ion battery support slots,
6- temperature sensor fixing holes, 7- resistance wire access points, 8- resistance wires are picked out a little, and 9- discharge ducts, 10- pressure transmitters are fixed
Bar, 11- gas concentration sensor fix bars, 121- air-filled pores, 122- vents, 123- gas samplings hole, 124- aspirating holes,
125- wind pushing holes, the perforation of 126- leads, 13- pressure transmitters, 14- gas concentration sensors.
Embodiment
The technical solution of the utility model is described further with reference to the drawings and specific embodiments.
As Figure 1-4, a kind of Li-ion batteries piles thermal runaway test device, including experimental provision, test device, charge and discharge
Electric installation, data acquisition and processing system；Described experimental provision includes experimental box 1, described experimental box by bottom plate, top plate,
Rear wall, left wall, right wall and front door hinged with left wall composition；Pallet 2, described pallet are provided with described bottom plate
2 are connected by the column 3 for being located at 2 four angles of pallet with bottom plate respectively；Li-ion batteries piles support slot is provided with described pallet 2
4, described Li-ion batteries piles support slot 4 is made up of multiple lithium ion battery support slots 5, in each lithium ion battery support slot
5 top is used for mounting temperature sensor provided with temperature sensor fixing hole 6, and the intracavity bottom of lithium ion battery support slot 5 is set
There is hook angle, the vertical section of the inner chamber of lithium ion battery support slot 5 is in convex-down, is twined in the described outer wall of lithium ion battery support slot 5
Around resistance wire, resistance wire is provided with resistance wire access point 7 in lithium ion battery support slot upper end, in lithium ion battery support slot lower end
A little 8 are picked out provided with resistance wire, uniform winding high temperature resistant adhesive plaster forms resistance wire fixing device outside described resistance wire；Described
The center of top plate be provided with circular switchable ventilating opening, ventilating opening is connected with discharge duct 9, in described top plate both sides point
Not She You 1 pressure transmitter fix bar 10, the bottom of described pressure transmitter fix bar 10 is used for fixation pressure transmitter
13；Gas concentration sensor fix bar 11, described gas concentration sensor fix bar 11 are provided with the center of described right wall
Left end be used for fixed gas concentration sensor 14；Described right wall is provided with 6 closable circular holes, and 6 circular holes are divided into
Lower 2 rows distribution, 3 circular holes of upper row are followed successively by air-filled pore 121, vent 122, gas sampling hole 123,3 circular holes of lower row
Aspirating hole 124, wind pushing hole 125, lead perforation 126 are followed successively by, circular hole, which closes rear box, has air-tightness；Described test device
Including temperature sensor, 2 pressure transmitters 13 and 1 gas concentration sensor 14, described temperature sensor is arranged on real
In the temperature sensor fixing hole 6 of experiment device, described pressure transmitter 13 is fixed on the bottom of pressure transmitter fix bar 10,
Described gas concentration sensor 14 is fixed on the left end of gas concentration sensor fix bar 11；Described charge and discharge device is electricity
Pond group comprehensive parameters ATE, battery pack comprehensive parameters ATE is through crocodile clip electric lead and lithium ion to be measured
The both positive and negative polarity connection of battery pack；Described data acquisition and processing system includes multi-Channels Data Acquisition and data analysis is soft
Part；Described multi-Channels Data Acquisition is connected to adopt with temperature sensor, pressure transmitter 13 and gas concentration sensor 14
Collect data, and transfer data to DAS and analyzed and handled, realize lithium ion battery fuel factor hazard property
Collection research experiment.
Described experimental box 1 is specification 1m × 1m × 1m regular hexahedron experimental boxs.Described front door is organic glass door,
Switch handle is provided with the right side of described front door.Described bottom plate, top plate, rear wall, left wall, right wall use stainless steel plate；Experiment
Air-tightness processing is done in each face of case with the junction in other faces, experimental box is had air-tightness when being in fully closed conjunction state.
Described pillar 3 is stainless steel strut.
Described lithium ion battery support slot 5 is in the row arrangement of 9 rows 30,270 lithium ion battery support slots of arranging altogether.It is described
Lithium ion battery support slot 5 be used for the lithium ion battery that will be installed on adjacent lithium ion battery support slot equipped with conducting strip
Both positive and negative polarity, which is connected, forms Li-ion batteries piles.
Described lithium ion battery support slot 5 is copper pipe.The intracavity bottom of described lithium ion battery support slot 5, which is provided with, to be hooked
Angle, the vertical section of the inner chamber of lithium ion battery support slot 5 is in convex-down.The described internal diameter of lithium ion battery support slot 5 is 18mm, outside
Footpath is 26mm, a height of 68mm.A length of 1mm, a height of 3mm at described hook angle.
The aperture of described temperature sensor fixing hole 6 is 2mm, is easy to temperature sensor to be inserted directly into temperature sensor peace
Fill in hole.Described temperature sensor is OMEGA-K type thermocouples, its response time 0.01s, for gathering lithium-ion electric to be measured
Pond group temperature.
Described pressure transmitter 13 is CYG1401MF type pressure transmitters, quick-fried for gathering lithium ion battery fuel factor
Fried pressure.
Described gas concentration sensor 14 is PYS3228TC type infrared-gas concentration sensors, for gathering lithium ion
Each gas concentration after battery fuel factor.
Described charge and discharge device selects BTS-M 150A/120V battery pack comprehensive parameters ATEs.
Described multi-Channels Data Acquisition is Hydra2620A multi-Channels Data Acquisitions, and resolution ratio is 0.1 DEG C, accurately
Spend for ± 0.45 DEG C；Described DAS is Hydra Series Universal signal analysis softwares, for entering to data and signal
Row analysis and processing.
Claims (9)
1. a kind of Li-ion batteries piles thermal runaway test device, it is characterised in that including experimental provision, test device, charge and discharge Denso
Put, data acquisition and processing system；Described experimental provision includes experimental box, described experimental box by bottom plate, top plate, rear wall,
Left wall, right wall and front door hinged with left wall composition；Pallet is provided with described bottom plate, described pallet is by column
It is connected with bottom plate；Li-ion batteries piles support slot is provided with described pallet, described Li-ion batteries piles support slot is by more
Individual lithium ion battery support slot is formed, and temperature sensor fixing hole is provided with the top of each lithium ion battery support slot and is used to pacify
Temperature sensor is filled, resistance wire is wound in described lithium ion battery support slot outer wall；Circle is provided with the center of described top plate
The switchable ventilating opening of shape, described ventilating opening are connected with discharge duct, and 1 pressure is respectively equipped with described top plate both sides
Transmitter fix bar, the bottom of described pressure transmitter fix bar are used for fixation pressure transmitter；In described right wall
The heart is provided with gas concentration sensor fix bar, and the left end of described gas concentration sensor fix bar passes for fixed gas concentration
Sensor；Described test device includes temperature sensor, pressure transmitter and gas concentration sensor, described temperature sensor
In the temperature sensor fixing hole of experimental provision, described pressure transmitter is fixed on the bottom of pressure transmitter fix bar
End, described gas concentration sensor are fixed on the left end of gas concentration sensor fix bar；Described charge and discharge device is electricity
Pond group comprehensive parameters ATE, battery pack comprehensive parameters ATE is through electric lead and Li-ion batteries piles to be measured
Both positive and negative polarity connection.
2. Li-ion batteries piles thermal runaway test device according to claim 1, it is characterised in that described experimental box is
Regular hexahedron experimental box；Described front door is organic glass door, and switch handle is provided with the right side of described front door；Described bottom
Plate, top plate, rear wall, left wall, right wall use stainless steel plate；Described right wall is provided with 6 closable circular holes, is respectively：
Air-filled pore, vent, gas sampling hole, aspirating hole, wind pushing hole, lead perforation.
3. Li-ion batteries piles thermal runaway test device according to claim 1, it is characterised in that described lithium-ion electric
Pond support slot is used to that lithium ion will to be connected into installed in the lithium ion battery of adjacent lithium ion battery support slot equipped with conducting strip
Battery pack.
4. Li-ion batteries piles thermal runaway test device according to claim 1, it is characterised in that described lithium-ion electric
The intracavity bottom of pond support slot, which is provided with, hooks angle, and the vertical section of lithium ion battery support slot inner chamber is in convex-down.
5. Li-ion batteries piles thermal runaway test device according to claim 4, it is characterised in that described lithium-ion electric
Pond support slot is copper pipe.
6. Li-ion batteries piles thermal runaway test device according to claim 1, it is characterised in that in described resistance wire
Resistance wire fixing device is externally provided with, resistance wire fixing device is made up of high temperature resistant adhesive plaster of the uniform winding outside resistance wire.
7. Li-ion batteries piles thermal runaway test device according to claim 1, it is characterised in that described resistance wire exists
Lithium ion battery support slot upper end is provided with resistance wire access point, is picked out a little provided with resistance wire in lithium ion battery support slot lower end.
8. Li-ion batteries piles thermal runaway test device according to claim 1, it is characterised in that described electric lead is
Crocodile clip electric lead.
9. Li-ion batteries piles thermal runaway test device according to claim 1, it is characterised in that described data acquisition
And processing system includes multi-Channels Data Acquisition and DAS；Described multi-Channels Data Acquisition and TEMP
Device, pressure transmitter and gas concentration sensor, which connect, carrys out gathered data, and transfers data to DAS and divided
Analysis and processing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720319197.4U CN206788338U (en) | 2017-03-29 | 2017-03-29 | A kind of Li-ion batteries piles thermal runaway test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720319197.4U CN206788338U (en) | 2017-03-29 | 2017-03-29 | A kind of Li-ion batteries piles thermal runaway test device |
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| Publication Number | Publication Date |
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| CN206788338U true CN206788338U (en) | 2017-12-22 |
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| CN201720319197.4U Expired - Fee Related CN206788338U (en) | 2017-03-29 | 2017-03-29 | A kind of Li-ion batteries piles thermal runaway test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116250A (en) * | 2018-08-02 | 2019-01-01 | 公安部天津消防研究所 | A kind of lithium ion battery thermal runaway imitative experimental appliance and measuring method |
| CN110161412A (en) * | 2019-06-14 | 2019-08-23 | 郑州轻工业学院 | A kind of container-type lithium ion battery energy storage system thermal runaway characteristic analysis system |
| WO2020015248A1 (en) * | 2018-07-18 | 2020-01-23 | 江苏赛博宇华科技有限公司 | Temperature resistance safety performance detection device for mobile phone battery |
| CN110849935A (en) * | 2019-12-04 | 2020-02-28 | 广州广电计量检测股份有限公司 | Thermal diffusion detection method of battery system |
| CN113670458A (en) * | 2021-08-20 | 2021-11-19 | 合肥国轩高科动力能源有限公司 | Battery thermal runaway experiment clamp |
-
2017
- 2017-03-29 CN CN201720319197.4U patent/CN206788338U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015248A1 (en) * | 2018-07-18 | 2020-01-23 | 江苏赛博宇华科技有限公司 | Temperature resistance safety performance detection device for mobile phone battery |
| CN109116250A (en) * | 2018-08-02 | 2019-01-01 | 公安部天津消防研究所 | A kind of lithium ion battery thermal runaway imitative experimental appliance and measuring method |
| CN110161412A (en) * | 2019-06-14 | 2019-08-23 | 郑州轻工业学院 | A kind of container-type lithium ion battery energy storage system thermal runaway characteristic analysis system |
| CN110849935A (en) * | 2019-12-04 | 2020-02-28 | 广州广电计量检测股份有限公司 | Thermal diffusion detection method of battery system |
| CN110849935B (en) * | 2019-12-04 | 2022-08-26 | 广州广电计量检测股份有限公司 | Thermal diffusion detection method of battery system |
| CN113670458A (en) * | 2021-08-20 | 2021-11-19 | 合肥国轩高科动力能源有限公司 | Battery thermal runaway experiment clamp |
| CN113670458B (en) * | 2021-08-20 | 2024-05-14 | 合肥国轩高科动力能源有限公司 | Battery thermal runaway experimental clamp |
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