CN209247993U - A kind of lithium-ion-power cell thermal runaway test device - Google Patents
A kind of lithium-ion-power cell thermal runaway test device Download PDFInfo
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- CN209247993U CN209247993U CN201821698534.6U CN201821698534U CN209247993U CN 209247993 U CN209247993 U CN 209247993U CN 201821698534 U CN201821698534 U CN 201821698534U CN 209247993 U CN209247993 U CN 209247993U
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- insulation board
- thermal insulation
- lithium
- ion
- plate
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Abstract
The utility model discloses a kind of lithium-ion-power cell thermal runaway test device, including time interval and the front plate (1) and rear plate (2) that are disposed vertically;The front plate (1) and rear plate (2) are fixedly installed the first thermal insulation board (11) and the second thermal insulation board (12) in opposite side respectively;Position between first thermal insulation board (11) and the second thermal insulation board (12) is used for fixed placement mesuring battary;The center of the front plate (1) and the first thermal insulation board (11) is embedded in heating plate (9);The mesuring battary is connected with needle dc voltmeter (6);The center of second thermal insulation board (12) and rear plate (2) is embedded with the temp probe of digital display thermometer (7).The utility model can be convenient, reliably carry out thermal runaway test to battery, acquire output voltage situation of change of the battery when surface temperature rises in real time, and the accurate performance for grasping battery advantageously ensures that the security performance of battery.
Description
Technical field
The utility model relates to battery technology fields, test and fill more particularly to a kind of lithium-ion-power cell thermal runaway
It sets.
Background technique
Currently, lithium-ion-power cell have many advantages, such as specific energy is high, be recycled often, storage time it is long, not only
Such as mobile phone, DV and laptop computer is used widely on a portable electronic device, and is widely applied
In terms of the large and medium-sized electrical equipment such as electric car, electric bicycle and electric tool, therefore to lithium-ion-power cell
Performance requirement is higher and higher.
For lithium-ion-power cell, since it is with light-weight, small in size, capacity is big, power is high, pollution-free etc. excellent
Point has become the ideal source of electric vehicle battery.In the production process of battery, need to carry out battery the survey in performance
Examination, wherein need to lithium-ion-power cell carry out thermal runaway test, to guarantee the security performance of battery, avoid the occurrence of explosion,
The security risks such as burning.
But there is presently no a kind of device, can be convenient, thermal runaway test reliably is carried out to battery, it adopts in real time
Output voltage situation of change of the set battery when surface temperature rises, the accurate performance for grasping battery, to advantageously ensure that electricity
The security performance in pond.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of lithium-ion-power cell thermal runaway test device, it can
Conveniently, reliably to carry out thermal runaway test to battery, output voltage of the battery when surface temperature rises is acquired in real time and is changed
Situation, the accurate performance for grasping battery are conducive to widely apply to advantageously ensure that the security performance of battery, have weight
Big production practices meaning.
For this purpose, the utility model provides a kind of lithium-ion-power cell thermal runaway test device, including time interval and
The front plate and rear plate being disposed vertically;
The front plate and rear plate are fixedly installed the first thermal insulation board and the second thermal insulation board in opposite side respectively;
Position between first thermal insulation board and the second thermal insulation board is used for fixed placement mesuring battary;
Through a heating plate embedded groove is provided with, the heating plate is embedding for the center of the front plate and the first thermal insulation board
Enter and is embedded in heating plate in slot;
The anode and cathode of the mesuring battary respectively with the positive test side of needle dc voltmeter and cathode detection
End is connected;
It is visited through a temp probe mounting hole, the temperature is provided with the center of second thermal insulation board and rear plate
Head mounting hole is embedded in the temp probe of digital display thermometer.
Wherein, the left and right ends of the front plate, the first thermal insulation board, the second thermal insulation board and rear plate pass through two admittedly respectively
Determine screw rod to be connected.
Wherein, the rear and front end of every standing screw is threaded at least one nut fixture nut respectively.
Wherein, the back side of first thermal insulation board and the front of the second thermal insulation board are smooth surface.
Wherein, the back side of the heating plate and the back side of first thermal insulation board are in the same plane.
Wherein, the heating plate is temperature controllable ceramic heating plate;
First thermal insulation board and the second thermal insulation board are using partition made of polyvinylchloride material.
Wherein, the compression tension spring of two cross direction profiles is fixedly installed immediately ahead of the heating plate embedded groove;
The upper and lower ends of two compression tension springs and heating plate embedded groove are correspondingly arranged.
Wherein, the front plate and the first thermal insulation board are spaced apart that there are two bullets in the left and right ends of the heating plate embedded groove
Spring fixed screw mounting hole;
The left and right ends of every holddown spring pass through a spring fixed screw and spring fixed screw mounting hole spiral shell respectively
Line connection.
Wherein, the needle dc voltmeter and temperature digital display meter pass through data line with the same comprehensive data logger respectively
It is connected;
The comprehensive data logger for by needle dc voltmeter and digital display thermometer, acquiring electricity to be measured respectively in real time
The output voltage and surface temperature in pond, and stored, and carry out the display of voltage data and temperature data.
By the above technical solution provided by the utility model as it can be seen that compared with prior art, the utility model provides
A kind of lithium-ion-power cell thermal runaway test device can be convenient, reliably carry out thermal runaway test to battery, adopts in real time
Output voltage situation of change of the set battery when surface temperature rises, the accurate performance for grasping battery, to advantageously ensure that electricity
The security performance in pond is conducive to widely apply, be of great practical significance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of lithium-ion-power cell thermal runaway test device provided by the utility model;
In figure, 1, front plate, 2, rear plate, 3, compression tension spring, 4, standing screw, 5, fixture nut;
6, needle dc voltmeter, 7, digital display thermometer, 8, comprehensive data logger, 9, heating plate, 10, the fixed spiral shell of spring
Silk, the 11, first thermal insulation board, the 12, second thermal insulation board;
101, screw rod mounting hole, 102, heating plate embedded groove, 103, spring fixed screw mounting hole, 201, temp probe
Mounting hole.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and embodiment
The utility model is described in further detail.
Referring to Fig. 1, the utility model provides a kind of lithium-ion-power cell thermal runaway test device, is applied to rectangular lithium
The thermal runaway of ion battery is tested, including time interval and the front plate 1 and rear plate 2 that are disposed vertically;
The front plate 1 and rear plate 2 are fixedly installed the first thermal insulation board 11 in opposite side (i.e. medial surface) respectively
With the second thermal insulation board 12;
Position between first thermal insulation board 11 and the second thermal insulation board 12 is used for fixed placement mesuring battary;
The center of the front plate 1 and the first thermal insulation board 11, which is run through, is provided with a heating plate embedded groove 102, described
Heating plate 9 is embedded in heating plate embedded groove 102;
The anode and cathode of the mesuring battary respectively with the positive test side of needle dc voltmeter 6 and cathode detection
End is connected, thus, the output voltage of mesuring battary can be acquired by needle dc voltmeter 6;
The center of second thermal insulation board 12 and rear plate 2, which is run through, is provided with a temp probe mounting hole 201, described
Temp probe mounting hole 201 is embedded in the temp probe of digital display thermometer 7.Therefore, it is visited by the temperature of digital display thermometer 7
Head can acquire the surface temperature (the specially surface temperature of mesuring battary center) of mesuring battary.
In the present invention, in specific implementation, the front plate 1, the first thermal insulation board 11, the second thermal insulation board 12 and rear folder
The left and right ends of plate 2 pass through two standing screws 4 respectively and are connected.
In specific implementation, the rear and front end of every standing screw 4 is threaded at least one nut fixture nut respectively
5.It is thereby achieved that the positioning that is reliably fixed to mesuring battary, and can be according to rectangular, the monomer mesuring battary of different model
Thickness, to adjust the length of the standing screw 4 between front plate 1 and rear plate 2, thus realize to different-thickness battery
Clamping need, guarantee matching to different model, different-thickness battery.
In the present invention, in specific implementation, the back side of first thermal insulation board 11 and the second thermal insulation board 12 are just
Face is smooth surface.
In the present invention, in specific implementation, the back side at the back side of the heating plate 9 and first thermal insulation board 11
It is in the same plane, to guarantee that heating plate 9 can be between first thermal insulation board 11 and the second thermal insulation board 12
Mesuring battary surface carries out good contact, to carry out heat temperature raising to battery.
In the present invention, in specific implementation, the heating plate 9 can be heated battery for any one
Heating plate, preferably ceramic heating plate, further preferably temperature controllable ceramic heating plate.
It should be noted that temperature controllable ceramic heating plate is big by adjusting the electric current that the power supply connected is conveyed to it
It is small, so as to adjust the heating temperature of heating plate.
It should also be noted that, temperature controllable ceramic heating plate is the heating plate of the prior art, it is not repeated herein.For example,
The temperature controllable ceramic heating plate can be using the ceramic heating plate of Hua Ji automation equipment manufactory production, the ceramic heating plate
Mating corresponding power regulation type intelligent temperature control system.
In the present invention, in specific implementation, first thermal insulation board 11 and the second thermal insulation board 12 are using polychlorostyrene second
Partition made of alkene PVC material.
In the present invention, in specific implementation, the front of the heating plate embedded groove 102 is fixedly installed two cross
To the compression tension spring 3 of distribution;
The upper and lower ends of two compression tension springs 3 and heating plate embedded groove 102 are correspondingly arranged.
Therefore, by two compression tension springs 3, the heating plate 9 that heating plate embedded groove 102 can be prevented to be embedded in falls off, to adding
The front of hot plate 9 realizes limit.
In specific implementation, the front plate 1 and the first thermal insulation board 11 are in the left and right ends of the heating plate embedded groove 102
Spring fixed screw mounting hole 103 there are two being spaced apart;
The left and right ends of every holddown spring 3 pass through a spring fixed screw 10 and spring fixed screw mounting hole respectively
103 are threadedly coupled.
In the present invention, in specific implementation, the needle dc voltmeter 6 and digital display thermometer 7 respectively with it is same
Comprehensive data logger is connected by data line, and the comprehensive data logger for passing through 6 He of needle dc voltmeter respectively
Digital display thermometer 7, acquires the output voltage and surface temperature of mesuring battary (i.e. single battery) in real time, and is stored, with
And carry out the display of voltage data and temperature data.
For the utility model, it is (i.e. single that the comprehensive data logger can acquire mesuring battary for any one
Body battery) output voltage and surface temperature, and stored, and carry out the data that voltage data and temperature data are shown
Recorder.For example, can be to set HIOKILR8431-30 data logger day.
In the present invention, in specific implementation, the length of front plate 1 and rear plate 2 is 400mm, and height is 260mm,
Thickness is 10mm, and material is 304 steel.
In specific implementation, the steel wire diameter 1mm of tension spring 3 is compressed, outer diameter is 10mm, and drift is 100mm, after stretching
Length is 150mm, and material is 304 steel.
In specific implementation, the length of standing screw 4 is 150mm, and specification is M14, and away from being 2.00mm, outer diameter is tooth
13.85mm, line footpath are 12.5mm, and entire body screw thread, material is 304 steel.
In specific implementation, the length of temperature controllable ceramic heating plate is 120mm, and width is 120mm, and thickness is 12mm, power
It is 400W.
In specific implementation, the thickness using thermal insulation board 10 made of PVC material is 5mm, and size is consistent with front and back clamping plate.
In specific implementation, the temp probe of digital display thermometer can be using the K type thermocouple within 1000 DEG C of heatproof.
In order to which the technical solution of the utility model is more clearly understood, illustrate the basic experiment mistake of the utility model below
Journey.
Before experiment starts, get out mesuring battary and the fixture whole component part, by battery be placed in front plate 1 with
Between rear plate 2, PVC thermal insulation board is added between battery and clamping plate, penetrates standing screw 4 from screw rod mounting hole 101, with fixed spiral shell
Mother 5 locks, and temperature controllable ceramic heating plate is put into heating plate embedded groove 102, by spring fixed screw 10 by compressing tension spring 3
Both ends and screw in spring fixed screw mounting hole 103, so that it is fixed to compress tension spring 3;
Then, the anode and cathode of mesuring battary are accessed into needle dc voltmeter 6, by the temp probe of digital display thermometer 7
It is embedded in temp probe mounting hole 201, and connects digital display thermometer 7, meanwhile, the temperature signal and pointer that digital display thermometer is exported
The voltage signal of formula voltmeter output accesses comprehensive data logger 8, and installment work is completed, and heating and data record are opened, and sees
Each display window is examined, default experiment termination condition (such as the output voltage of mesuring battary reaches preset threshold voltage) is reached
When, stop heating, saves the surface temperature and voltage data of battery.
It should be noted that, in test, fixing mesuring battary, fore-clamp with front plate, rear plate for the utility model
It is provided with polyvinylchloride partition between plate, rear plate and mesuring battary, can be avoided excessive thermal loss, guarantees to electricity
The precision and accuracy of pool surface temperature measurement.
Meanwhile it can by external needle dc voltmeter, digital display thermometer by compressing the fixed ceramic heating plate of tension spring
Realize the visualization of the detection datas such as voltage and temperature, by comprehensive data logger, it being capable of the detailed number of passes excessively of real-time storage
According to.After test starts, by adjusting the temperature of heating plate, battery stabilization can be made, constantly heated up, pointer-type electricity is observed
The numerical value change for pressing table and digital display thermometer, when mesuring battary reaches thermal runaway condition, (such as voltage reaches preset voltage valve
Value) when, then close the external power supply power supply of heating plate.
Compared with prior art, the utility model has the following characteristics that
1, perfect in shape and function but structure is relatively easy.Can be with real-time display test number, and can be adjusted at any time in test process
The group to monocell thermal runaway test device can be completed merely with clamping plate, nut and tension spring for whole heating temperature, the utility model
Dress, processing and fabricating is easy, at low cost, convenient for promoting the use of.
2, after being completed, directly release bolt can be dismantled or be replaced battery and continue to test, and packaging efficiency is high, and
And the supply of the external impetus such as compressed gas, hydraulic device is not needed.
It is that one kind can quickly and easily pacify under conditions of guaranteeing monocell uniform force for the utility model
The test device of dress and disassembly, the utility model can effectively fix ceramic heating plate, and can acquire battery in real time
Surface temperature data and output voltage data, can easily be suitble to different model, various sizes of battery test need
It asks, remodels simple and easy.The utility model can carry out the related datas such as temperature and voltage note while detecting battery performance
Record, the display including real-time voltage, temperature.
In conclusion compared with prior art, a kind of lithium-ion-power cell thermal runaway survey provided by the utility model
Trial assembly is set, and be can be convenient, is reliably carried out thermal runaway test to battery, it is defeated when surface temperature rises to acquire battery in real time
Voltage change situation out, the accurate performance for grasping battery are conducive to widely answer to advantageously ensure that the security performance of battery
With being of great practical significance.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of lithium-ion-power cell thermal runaway test device, which is characterized in that including time interval and before being disposed vertically
Clamping plate (1) and rear plate (2);
The front plate (1) and rear plate (2) opposite side be fixedly installed respectively the first thermal insulation board (11) and second every
Hot plate (12);
Position between first thermal insulation board (11) and the second thermal insulation board (12) is used for fixed placement mesuring battary;
The center of the front plate (1) and the first thermal insulation board (11), which is run through, is provided with a heating plate embedded groove (102), described
Heating plate (9) are embedded in heating plate embedded groove (102);
The anode of the mesuring battary and the cathode positive test side and cathode test side with a needle dc voltmeter (6) respectively
It is connected;
The center of second thermal insulation board (12) and rear plate (2), which is run through, is provided with a temp probe mounting hole (201), institute
State the temp probe that temp probe mounting hole (201) is embedded in digital display thermometer (7).
2. lithium-ion-power cell thermal runaway test device as described in claim 1, which is characterized in that the front plate (1),
First thermal insulation board (11), the second thermal insulation board (12) and the left and right ends of rear plate (2) pass through two standing screws (4) respectively and are connected
It connects.
3. lithium-ion-power cell thermal runaway test device as claimed in claim 2, which is characterized in that every standing screw
(4) rear and front end is threaded at least one nut fixture nut (5) respectively.
4. lithium-ion-power cell thermal runaway test device as described in claim 1, which is characterized in that first thermal insulation board
(11) front at the back side and the second thermal insulation board (12) is smooth surface.
5. lithium-ion-power cell thermal runaway test device as claimed in claim 4, which is characterized in that the heating plate (9)
The back side and first thermal insulation board (11) the back side it is in the same plane.
6. lithium-ion-power cell thermal runaway test device as described in claim 1, which is characterized in that the heating plate (9)
For temperature controllable ceramic heating plate;
First thermal insulation board (11) and the second thermal insulation board (12) are using partition made of polyvinylchloride material.
7. lithium-ion-power cell thermal runaway test device as described in claim 1, which is characterized in that the heating plate insertion
The compression tension spring (3) of two cross direction profiles is fixedly installed immediately ahead of slot (102);
Two compression tension springs (3) and the upper and lower ends of heating plate embedded groove (102) are correspondingly arranged.
8. lithium-ion-power cell thermal runaway test device as claimed in claim 7, which is characterized in that the front plate (1)
With the first thermal insulation board (11) the left and right ends of the heating plate embedded groove (102) be spaced apart there are two spring fixed screw install
Hole (103);
The left and right ends of every holddown spring (3) pass through a spring fixed screw (10) and spring fixed screw mounting hole respectively
(103) it is threadedly coupled.
9. such as lithium-ion-power cell thermal runaway test device described in any item of the claim 1 to 8, which is characterized in that institute
It states needle dc voltmeter (6) and digital display thermometer (7) is connected with the same comprehensive data logger by data line respectively;
The comprehensive data logger for by needle dc voltmeter (6) and digital display thermometer (7), acquiring to be measured in real time respectively
The output voltage and surface temperature of battery, and stored, and carry out the display of voltage data and temperature data.
Priority Applications (1)
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CN201821698534.6U CN209247993U (en) | 2018-10-18 | 2018-10-18 | A kind of lithium-ion-power cell thermal runaway test device |
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CN201821698534.6U CN209247993U (en) | 2018-10-18 | 2018-10-18 | A kind of lithium-ion-power cell thermal runaway test device |
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CN201821698534.6U Expired - Fee Related CN209247993U (en) | 2018-10-18 | 2018-10-18 | A kind of lithium-ion-power cell thermal runaway test device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109188294A (en) * | 2018-10-18 | 2019-01-11 | 天津中聚新能源科技有限公司 | A kind of lithium-ion-power cell thermal runaway test device |
CN112526360A (en) * | 2019-09-18 | 2021-03-19 | 清华大学 | Battery module thermal runaway test triggering and monitoring system and method |
-
2018
- 2018-10-18 CN CN201821698534.6U patent/CN209247993U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109188294A (en) * | 2018-10-18 | 2019-01-11 | 天津中聚新能源科技有限公司 | A kind of lithium-ion-power cell thermal runaway test device |
CN112526360A (en) * | 2019-09-18 | 2021-03-19 | 清华大学 | Battery module thermal runaway test triggering and monitoring system and method |
CN112526360B (en) * | 2019-09-18 | 2022-03-18 | 清华大学 | Battery module thermal runaway test triggering and monitoring system and method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 Termination date: 20211018 |
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CF01 | Termination of patent right due to non-payment of annual fee |