CN209514013U - A kind of test device for simulating battery core surface local heating in lithium battery mould group - Google Patents
A kind of test device for simulating battery core surface local heating in lithium battery mould group Download PDFInfo
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- CN209514013U CN209514013U CN201821900460.XU CN201821900460U CN209514013U CN 209514013 U CN209514013 U CN 209514013U CN 201821900460 U CN201821900460 U CN 201821900460U CN 209514013 U CN209514013 U CN 209514013U
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- clamping plate
- battery core
- mould group
- heating sheet
- test device
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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
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Abstract
The utility model discloses a kind of test devices of battery core surface local heating in simulation lithium battery mould group, it include: constraint folder and the data collector for collecting temperature value and voltage value, wherein: constraint folder includes first clamping plate, the regulating mechanism positioned at the second clamping plate of first clamping plate side and for adjusting spacing between first clamping plate and second clamping plate, first clamping plate is on the side side of second clamping plate or second clamping plate close to the side side of first clamping plate is equipped with heating sheet, and heating sheet is connect with data collector；Data collector is equipped with for being connect with battery core to be measured with the first data acquisition line of the temperature value for obtaining the battery core to be measured in real time and for connecting the second data acquisition line with the voltage value for obtaining the battery core to be measured in real time with battery core to be measured.When the utility model can simulate in mould group a battery core and be influenced its local heating amount by adjacent battery core thermal runaway and reach the critical point of thermal runaway, the voltage and surface temperature Parameters variation of the battery core.
Description
Technical field
The utility model relates to battery core surface offices in cell manufacturing techniques field more particularly to a kind of simulation lithium battery mould group
The heated test device in portion.
Background technique
Lithium ion battery is generally required in practical applications due to the requirement of certain electricity, power etc. by multiple monomer electricity
Core it is series-parallel form composition mould group carry out using.And if wherein thermally safe accident occurs for battery core in lithium battery mould group,
Then its heat generated will pass to the battery core closed on, the battery core closed on because part be heated may occur internal short-circuit and
A series of thermal runaway phenomenon is induced to occur.However existing tester only observes phase by heating entire battery core induction thermal runaway
Whether adjacent battery core occurs thermal runaway, and is unable to get adjacent battery core in the parameter for the critical point for being heated to thermal runaway.
Utility model content
To solve technical problem present in background technique, the utility model proposes battery cores in a kind of simulation lithium battery mould group
The test device of surface local heating.
The utility model proposes a kind of simulation lithium battery mould group in battery core surface local heating test device, comprising:
Constraint folder and the data collector for collecting temperature value and voltage value, in which:
Constraint folder includes first clamping plate, positioned at the second clamping plate of first clamping plate side and for adjusting first clamping plate and second
The regulating mechanism of spacing between clamping plate, first clamping plate is on the side side of second clamping plate or second clamping plate is close to first clamping plate
Side side be equipped with heating sheet, and heating sheet is connect with data collector；
Data collector is equipped with for being connect with battery core to be measured with the of the temperature value for obtaining the battery core to be measured in real time
It one data acquisition line and is adopted for being connect with battery core to be measured with the second data of the voltage value for obtaining the battery core to be measured in real time
Line concentration.
Preferably, the first data acquisition line is equipped with multiple.
Preferably, the second data acquisition line is equipped with multiple.
Preferably, first clamping plate is on the side side of second clamping plate or second clamping plate is close to the side side of first clamping plate
Heating sheet baffle is fixed on face, the heating sheet is located at side of the heating sheet baffle far from its fixing end, and is fixedly mounted on
On heating sheet baffle.
Preferably, engraved structure is set as on heating sheet baffle and positioned at heating sheet position.
Preferably, heating sheet baffle is equipped with the wire lead slot drawn for the heat lead of heating sheet.
Preferably, regulating mechanism includes adjusting rod, and the adjusting rod is adjusted between first clamping plate and second clamping plate
The both ends of bar extend through first clamping plate and second clamping plate, adjusting rod be located at first clamping plate far from the side of second clamping plate be equipped with
It is threadedly coupled first fastener, adjusting rod be located at second clamping plate far from first clamping plate side equipped be threadedly coupled with it or with
Its second fastener being fixedly connected.
Preferably, there are two adjusting rod is set, two adjusting screw rod spacing arrangements are to form between for battery core to be measured
The channel being put into.
Preferably, gasket is equipped on adjusting rod and between the first fastener and first clamping plate.
Preferably, adjusting rod is screw rod.
In the utility model, battery core to be measured is clamped with second clamping plate cooperation using the first clamping plate in constraint folder,
And using the regulating mechanism adjustment first clamping plate in constraint folder and the spacing between second clamping plate to press to the battery core, with
So that the battery core is in stress, and under stress, local heating is carried out to battery core surface using heating sheet, utilizes data
Collector is monitored and records to parameters such as voltage, temperature in battery core heating process, with simulate in mould group a battery core by
Adjacent battery core thermal runaway influences its local heating amount when reaching the critical point of thermal runaway, the voltage and surface temperature parameter of the battery core
Variation, it is significant that this shifts to an earlier date monitoring and forecasting to safe design and battery core system the progress thermal runaway of mould group.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of simulation lithium cell mould group in battery core surface local heating test device
Structural schematic diagram.
Specific embodiment
In the following, the technical solution of the utility model is described in detail by specific embodiment.
As shown in FIG. 1, FIG. 1 is the utility model proposes a kind of simulation lithium cell mould group in battery core surface local heating
The structural schematic diagram of test device.
Referring to Fig.1, the utility model proposes a kind of simulation lithium cell mould group in battery core surface local heating test dress
It sets, comprising: constraint folder 1 and the data collector 2 for collecting temperature value and voltage value, in which:
Constraint folder 1 includes first clamping plate 11, positioned at the second clamping plate 12 of 11 side of first clamping plate and for adjusting the first folder
The regulating mechanism 13 of spacing between plate 11 and second clamping plate 12, first clamping plate 11 is on the side side of second clamping plate 12 or
Second splint 12 is equipped with heating sheet 3 close to the side side of first clamping plate 11, and heating sheet 3 is connect with data collector 2.Data
Collector 2 is equipped with for connecting the first data acquisition line with the temperature value for obtaining the battery core to be measured in real time with battery core to be measured
21 and for connecting the second data acquisition line 22 with the voltage value for obtaining the battery core to be measured in real time with battery core to be measured.
Mesuring battary group is placed into first clamping plate 11 and second clamping plate in advance when carrying out test jobs by the utility model
Between 12 so that a battery core in the battery pack is bonded with heating sheet 3, and make the battery core respectively with data collector 2
Then one data acquisition line 21 and the connection of the second data line 22 adjust the spacing between two clamping plates using regulating mechanism 13 with right
Battery pack presses, and is heated using heating sheet 3, is carried out using temperature and voltage of the data collector 2 to corresponding battery core
Real-time monitoring is influenced its local heating amount by adjacent battery core thermal runaway to simulate in mould group a battery core and reaches facing for thermal runaway
When boundary's point, the voltage and surface temperature Parameters variation of the battery core.
From the foregoing, it will be observed that the utility model using the first clamping plate 11 in constraint folder 1 with the cooperation of second clamping plate 12 by being treated
It surveys battery core to be clamped, and between adjusting between first clamping plate 11 and second clamping plate 12 using the regulating mechanism 13 in constraint folder 1
Away to press to the battery core, so that the battery core is in stress, and under stress, using heating sheet 3 to battery core
Surface carries out local heating, and the parameters such as voltage, temperature in battery core heating process are monitored and are remembered using data collector 2
Record is influenced the critical point that its local heating amount reaches thermal runaway to simulate a battery core in mould group by adjacent battery core thermal runaway
When, the voltage and surface temperature Parameters variation of the battery core, this carries out thermal runaway to the safe design and battery core system of mould group and shifts to an earlier date
Monitoring and forecasting is significant.
In addition, in the present embodiment, the first data acquisition line 21 be equipped with it is multiple, to be distinguished using each first data acquisition line 21
It is connected with battery core different location to be measured and real-time synchronization monitoring is carried out with the temperature to the battery core different location to be measured.
In the present embodiment, the second data acquisition line 22 be equipped with it is multiple, with using each second data acquisition line 22 respectively with electricity
Each battery core of Chi Zuzhong connects, and carries out real-time synchronization monitoring so as to the voltage to each battery core in the battery pack.
In the present embodiment, first clamping plate 11 is on the side side of second clamping plate 12 or second clamping plate 12 is close to the first folder
Heating sheet baffle 4 is fixed on the side side of plate 11, the heating sheet 3 is located at one of heating sheet baffle 4 far from its fixing end
Side, and be fixedly mounted on heating sheet baffle 4.The setting of heating sheet baffle 4 can not only protect heating sheet 3, but also can mention
High clamping plate applies the effect of restraining force to battery core.
In the present embodiment, it is set as engraved structure on heating sheet baffle 4 and positioned at 3 position of heating sheet, is dissipated with utilizing
Heat.And be routed for convenience, it is provided on the heating sheet baffle 4 in the present embodiment for the heat lead extraction for heating sheet 3
Wire lead slot.
In the present embodiment, the material of first clamping plate 11 and second clamping plate 12 is in steel, iron, epoxy resin or electrolysis wood
It is a kind of.Heating sheet 3 is ceramic heating flake.
In the present embodiment, regulating mechanism 13 includes adjusting rod, and the adjusting rod is screw rod, and adjusting rod is located at first clamping plate 11
Between second clamping plate 12, and the both ends of adjusting rod extend through first clamping plate 11 and second clamping plate 12, and adjusting rod is located at first
Clamping plate 11 is equipped with far from the side of second clamping plate 12 and is threadedly coupled the first fastener with it, and it is separate that adjusting rod is located at second clamping plate 12
The side of first clamping plate 11 is equipped with the locating part for being threadedly coupled the second fastener with it or being firmly connected with it.By fastener with
Adjusting rod cooperation pushes corresponding clamping plate mobile, to press to battery core between two clamping plates is in.And in order to improve pair
The uniformity that battery core is exerted pressure, the adjusting rod in the present embodiment are set as two, two adjusting screw rod spacing arrangements with the two it
Between form the channel being put into for battery core to be measured.In addition, in order to further increase pressure effect, in the present embodiment, on adjusting rod and
Gasket is equipped between the first fastener and first clamping plate 11.
In another embodiment, regulating mechanism 13 includes the first screw rod, the second screw rod, the first nut and the second nut,
One end of first screw rod and the second screw rod is equipped with the limited block being secured to, and the one end of the first screw rod far from its limited block according to
Secondary to pass through second clamping plate 12, first clamping plate 11 and connect with the first nut thread, the second screw rod is located at the side of the first screw rod simultaneously
Arrange that the second screw rod is far from its limited block to form the channel being put into for battery core to be measured between with the first screw rod spacing
One end sequentially passes through second clamping plate 12, first clamping plate 11 and connect with the second nut thread.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. the test device of battery core surface local heating in a kind of simulation lithium battery mould group characterized by comprising constraint folder
(1) and for collecting temperature value and voltage value data collector (2), in which:
Constraint folder (1) includes first clamping plate (11), is located at the second clamping plate (12) of first clamping plate (11) side and for adjusting the
The regulating mechanism (13) of spacing between one clamping plate (11) and second clamping plate (12), first clamping plate (11) is close to second clamping plate (12)
On the side of the side or side side of second clamping plate (12) close first clamping plate (11) is equipped with heating sheet (3), and heating sheet (3)
It is connect with data collector (2)；
Data collector (2) is equipped with for connecting with battery core to be measured with first of the temperature value for obtaining the battery core to be measured in real time
Data acquisition line (21) and for connecting the second data with the voltage value for obtaining the battery core to be measured in real time with battery core to be measured
Gathering line (22).
2. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 1
In the first data acquisition line (21) is equipped with multiple.
3. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 1
In the second data acquisition line (22) is equipped with multiple.
4. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 1
In, first clamping plate (11) on the side side of second clamping plate (12) or second clamping plate (12) close to first clamping plate (11) one
It being fixed on the side of side heating sheet baffle (4), the heating sheet (3) is located at the side of heating sheet baffle (4) far from its fixing end,
And it is fixedly mounted on heating sheet baffle (4).
5. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 4
In, on heating sheet baffle (4) and be located at heating sheet (3) position be set as engraved structure.
6. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 4
In heating sheet baffle (4) is equipped with the wire lead slot drawn for the heat lead of heating sheet (3).
7. the test dress of battery core surface local heating in simulation lithium battery mould group according to claim 1 to 6
It sets, which is characterized in that regulating mechanism (13) includes adjusting rod, and the adjusting rod is located at first clamping plate (11) and second clamping plate (12)
Between, and the both ends of adjusting rod extend through first clamping plate (11) and second clamping plate (12), adjusting rod is located at first clamping plate (11)
Side far from second clamping plate (12) is equipped with and is threadedly coupled the first fastener with it, and adjusting rod is located at second clamping plate (12) separate the
The side of one clamping plate (11) is equipped with the locating part for being threadedly coupled the second fastener with it or being firmly connected with it.
8. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 7
In there are two adjusting rod is set, two adjusting screw rod spacing arrangements to form the channel being put into for battery core to be measured between.
9. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 7
In being equipped with gasket on adjusting rod and between the first fastener and first clamping plate (11).
10. the test device of battery core surface local heating, feature exist in simulation lithium battery mould group according to claim 7
In adjusting rod is screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821900460.XU CN209514013U (en) | 2018-11-16 | 2018-11-16 | A kind of test device for simulating battery core surface local heating in lithium battery mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821900460.XU CN209514013U (en) | 2018-11-16 | 2018-11-16 | A kind of test device for simulating battery core surface local heating in lithium battery mould group |
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| Publication Number | Publication Date |
|---|---|
| CN209514013U true CN209514013U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821900460.XU Active CN209514013U (en) | 2018-11-16 | 2018-11-16 | A kind of test device for simulating battery core surface local heating in lithium battery mould group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019263A (en) * | 2020-07-16 | 2022-02-08 | 哲弗智能系统（上海）有限公司 | Battery thermal runaway experimental device |
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2018
- 2018-11-16 CN CN201821900460.XU patent/CN209514013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019263A (en) * | 2020-07-16 | 2022-02-08 | 哲弗智能系统（上海）有限公司 | Battery thermal runaway experimental device |
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