CN207318588U - Membrane turns off Research on Automatic Measuring System of Temperature - Google Patents
Membrane turns off Research on Automatic Measuring System of Temperature Download PDFInfo
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- CN207318588U CN207318588U CN201721249814.4U CN201721249814U CN207318588U CN 207318588 U CN207318588 U CN 207318588U CN 201721249814 U CN201721249814 U CN 201721249814U CN 207318588 U CN207318588 U CN 207318588U
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Abstract
The utility model provides a kind of membrane shut-off Research on Automatic Measuring System of Temperature, including：Heat pressue device；Septum clip, in heating pressue device；Septum clip includes：Two electrode plates, two electrode plates are parallel to be posted together；Membrane, is held between two electrode plates of septum clip；Electrolyte, drop are arranged between membrane and electrode plate；For testing the measuring device of resistance and membrane temperature between two electrode plates, measuring device is connected with electrode plate and membrane；Data acquisition processing device, is electrically connected with measuring device.The utility model can realize the accurate test varied with temperature to the resistance between two electrode plates, the shut-off temperature of membrane can be reacted exactly by the turning point of resistance change, avoid error that may be present during engaged test direct to membrane so that measurement result has higher accuracy.
Description
Technical field
The utility model belongs to technical field of manufacturing semiconductors, and Research on Automatic Measuring System of Temperature is turned off more particularly to a kind of membrane.
Background technology
Lithium ion battery is since emerging, with it relative to energy density height, circulation longevity possessed by other secondary cells
Life is long, self-discharge rate is small, memory-less effect and it is environmentally protective the advantages that, become in field of chemical power source the most electricity of competitive advantage
Pond.At present, lithium ion battery is widely used to laptop, digital product and electric automobile, hybrid vehicle very
To fields such as aerospaces.With the development of new energy electric motor vehicle, the growth rate of market of lithium ion battery is also stabilized in 15% left side
The right side, if new energy electric motor vehicle market occurs high-volume, formula increases, its real growth rate will be much larger than 15%.And lithium ion battery one
As all include electrode, electrolyte, four elements of membrane and shell.Membrane is usually placed between battery the two poles of the earth, mainly
Effect be to prevent positive and negative interpolar from forming electronic conduction circuit, and allow ion to turn on.Battery to the performance requirement of membrane very
Strictly, its quality directly affects the chemical property and security performance of battery, therefore the test to membrane properties is to weigh to sentence
The important means for a membrane quality of breaking.
The main normal attribute test of membrane has thickness, surface density, porosity, air permeability, acupuncture intensity, stretching by force at present
Degree, thermal contraction etc.；Unconventional test has DSC, pressure mercury, SEM etc.；These conventionally tests and unconventional test have been not enough to protect
Membrane security in battery applications is demonstrate,proved, the test for turning off temperature is also one of vital test event, it is contemplated that electrolysis
The decomposition temperature of liquid is usually relatively low, and in heating process, its component is there are certain unstability, therefore directly simulation electricity
Core inner situation measuring diaphragm internal resistance and judges that the shut-off temperature (i.e. closed pore temperature) of membrane can deposit with the change of electrolyte with this
In certain error so that measurement result is not accurate enough.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of membrane shut-off temperature to survey
Test system, for solving in the prior art by directly simulating change of the battery core inner case measuring diaphragm internal resistance with electrolyte,
And judged with this existing for the closed pore temperature of membrane can there are certain error so that the problem of measurement result is not accurate enough.
To achieve the above object and other related purposes, the utility model also provide a kind of membrane shut-off temperature test system
System, the membrane shut-off Research on Automatic Measuring System of Temperature include：
Heat pressue device；
Septum clip, in the heating pressue device；The septum clip includes：Two electrode plates, described two pieces
Electrode plate is parallel to be posted together；
Membrane, is held between two pieces of electrode plates of the septum clip；
Electrolyte, drop are arranged between the membrane and the electrode plate；
For testing the measuring device of resistance and the membrane temperature between two pieces of electrode plates, the measuring device
It is connected with the electrode plate and the membrane；
Data acquisition processing device, is electrically connected with the measuring device.
As a kind of preferred solution of the utility model, the membrane shut-off Research on Automatic Measuring System of Temperature further includes display device,
It is electrically connected with the data acquisition processing device.
As a kind of preferred solution of the utility model, the heating pressue device includes：
Pressurised chamber；
Presser unit, in the pressurised chamber；
Two pieces of heating plates, one piece of heating plate are located at the top of the pressurised chamber, and another piece of heating plate is positioned at described
The top of presser unit；The septum clip is between two pieces of heating plates；
Pressure gauge, is arranged on the outside of the pressurised chamber, and is connected with the presser unit；
Temperature controller, is connected with the heating plate.
As a kind of preferred solution of the utility model, the heating pressue device includes：
Pressurised chamber；
Presser unit, in the pressurised chamber；
Two pieces of heating plates, one piece of heating plate are located at the bottom of the pressurised chamber, and another piece of heating plate is positioned at described
The bottom of presser unit；The septum clip is between two pieces of heating plates；
Pressure gauge, is arranged on the outside of the pressurised chamber, and is connected with the presser unit；
Temperature controller, is connected with the heating plate.
As a kind of preferred solution of the utility model, the heating pressue device further includes high-temperature resistant rubber pad, described
High-temperature resistant rubber pad is arranged between the heating plate and the septum clip.
As a kind of preferred solution of the utility model, installation through-hole, and two pieces of electrodes are equipped with the electrode plate
Installation through-hole in plate is correspondingly arranged up and down；The septum clip further includes fixing device, and the fixing device is via the peace
Dress through hole fixes two pieces of electrode plates.
As a kind of preferred solution of the utility model, the installation through-hole is threaded hole；The fixing device is bolt.
As a kind of preferred solution of the utility model, the measuring device includes：
Resistance measuring module, is electrically connected with the electrode plate and the data acquisition processing device；
Temperature-measuring module, is electrically connected with the data acquisition processing device.
As described above, membrane shut-off Research on Automatic Measuring System of Temperature provided by the utility model, has the advantages that：This practicality
New shut-off Research on Automatic Measuring System of Temperature can realize the accurate test varied with temperature to the resistance between two pieces of electrode plates,
The shut-off temperature of membrane can be reacted exactly by the turning point of resistance change, when avoiding engaged test direct to membrane
Error that may be present so that measurement result has higher accuracy；Meanwhile present invention shut-off Research on Automatic Measuring System of Temperature also has
The advantages that of simple structure and low cost, easy to operation.
Brief description of the drawings
Fig. 1 to Fig. 3 is shown as the structure diagram of membrane shut-off Research on Automatic Measuring System of Temperature provided by the utility model, wherein,
Fig. 1 and Fig. 3 is the structure diagram that membrane provided by the utility model turns off Research on Automatic Measuring System of Temperature, and Fig. 2 is the utility model
The structure diagram of septum clip in membrane shut-off Research on Automatic Measuring System of Temperature.
Fig. 4 is shown as two pieces of electrode plates when membrane shut-off Research on Automatic Measuring System of Temperature provided by the utility model is tested
Between the curve map that varies with temperature of resistance.
Reference numerals explanation
1 septum clip
11 electrode plates
2 membranes
3 heating pressue devices
31 pressurised chambers
32 presser units
33 heating plates
34 pressure gauges
35 temperature controllers
36 high-temperature resistant rubber pads
4 measuring devices
41 resistance measuring modules
42 temperature-measuring modules
5 data acquisition processing devices
6 display devices
Embodiment
Illustrate the embodiment of the utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands the further advantage and effect of the utility model easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With carrying out various modifications or alterations under the spirit without departing from the utility model.
Please refer to Fig.1 to Fig.4.It should be noted that the diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of utility model, though when only display is with related component in the utility model rather than according to actual implementation in diagram
Component count, shape and size are drawn, and form, quantity and the ratio of each component can be a kind of random change during its actual implementation
Become, and its assembly layout form may also be increasingly complex.
Please refer to Fig.1 to Fig.3, the utility model also provides a kind of membrane shut-off Research on Automatic Measuring System of Temperature, the membrane shut-off
Research on Automatic Measuring System of Temperature includes：Heat pressue device 3；Septum clip 1, the septum clip 1 is positioned at the heating pressue device 3
It is interior；The septum clip 1 includes two electrode plates 11, and two electrode plate 11 is parallel to be posted together；Membrane 2, it is described every
Film 2 is held between two pieces of electrode plates 11 of the septum clip 1；Electrolyte (not shown), the electrolysis drop are arranged on
Between the membrane 2 and the electrode plate 11；For testing the temperature of resistance and the membrane 2 between two pieces of electrode plates 11
The measuring device 4 of degree, the measuring device 4 are connected with the electrode plate 11 and the membrane 2；Data acquisition processing device 5,
The data acquisition device 5 is electrically connected with the measuring device 4.
In one example, as shown in Figure 1, the heating pressue device 3 includes：Pressurised chamber 31；Presser unit 32, it is described
Presser unit 32 is located in the pressurised chamber 31, for applying required pressure to the membrane 2 in test；Two pieces of heating
Plate 33, one piece of heating plate 33 are located at the top of the pressurised chamber 31, and another piece of heating plate 33 is located at the presser unit
32 top, for being heated in test for the membrane 2；The septum clip 1 positioned at two pieces of heating plates 33 it
Between；Pressure gauge 34, the pressure gauge 34 are arranged on the outside of the pressurised chamber 31, and are connected with the presser unit 32
Connect, the pressure on the membrane 2 is put on for presser unit described in detecting real-time 32, for ensuring that the presser unit 32 is applied
The pressure on the membrane 2 is added in be within suitable pressure limit, place put on pressure on the membrane 2 it is excessive and
Cause the rupture of the membrane 2；Temperature controller 35, the temperature controller 35 is connected with the heating plate 32, for controlling
Make the heating-up temperature of the heating plate 32.
In another example, as shown in figure 3, the heating pressue device 3 includes：Pressurised chamber 31；Presser unit 32, institute
State presser unit 32 to be located in the pressurised chamber 31, for applying required pressure to the membrane 2 in test；Two pieces add
Hot plate 33, one piece of heating plate 33 are located at the bottom of the pressurised chamber 31, and another piece of heating plate 33 is single positioned at the pressurization
The bottom of member 32；The septum clip 1 is between two pieces of heating plates 33, for being carried out in test for the membrane 2
Heating；Pressure gauge (not shown), the pressure gauge are arranged on the outside of the pressurised chamber 31, and with the presser unit 32
It is connected；Temperature controller 35, the temperature controller 35 are connected with the heating plate 33, for controlling the heating plate 32
Heating-up temperature.
As an example, the presser unit 32 can be but be not limited only to jack.
As an example, please continue to refer to Fig. 1 to Fig. 3, the heating pressue device 3 further includes high-temperature resistant rubber pad 36, institute
State high-temperature resistant rubber pad 36 to be arranged between the heating plate 33 and the septum clip 1, for protecting the septum clip 1.
As an example, installation through-hole (not shown) is additionally provided with the electrode plate 11, and in two pieces of electrode plates 11
The installation through-hole is correspondingly arranged up and down；The septum clip 1 further includes fixing device, and the fixing device is via the installation
Through hole fixes two pieces of electrode plates 11.
As an example, the installation through-hole can be but be not limited only to threaded hole；The fixing device can be but not only
It is limited to bolt.
As an example, the measuring device 4 includes：Resistance measuring module 41, the resistance measuring module 41 and the electricity
Pole plate 11 and the data acquisition processing device 5 are electrically connected；Temperature-measuring module 42, the temperature-measuring module 42 and the number
It is electrically connected according to acquisition processing device 5, certainly, the temperature-measuring module 42 can also directly be in contact with the membrane 2, to survey
Measure the temperature of the membrane 2.
As an example, membrane shut-off Research on Automatic Measuring System of Temperature further includes display device 6, the display device 6 with it is described
Data acquisition processing device 5 is electrically connected, as shown in Figure 3；Certainly, in other examples, the data acquisition processing device 5 is handled
Have the function of outside data acquisition and processing there can also be display function, extra display device is then not required at this time.
The utility model membrane shut-off Research on Automatic Measuring System of Temperature operation principle be：Upper electrolyte will be dripped on the membrane 2
The suitable pressure of selection in the heating pressue device 3 is put into togerther after being fixed on the septum clip 1 (for example, to test
Pressure is 0.5MPa~2.5MPa, and programming rate is 40 DEG C/min~80 DEG C/min) pressurized, heated is carried out, with the liter of temperature
Height, the membrane 2 can gradual closed pore melt fractures.Contacted by the electrode plate 11 in the septum clip 1 it is described every
Film 2.When heating-up temperature is heated to certain temperature, 2 closed pore of membrane, at this time will barrier up and down two pieces of electrode plates 11 it
Between electric current conduction, moment rises to a very big numerical value by resistance；When 2 rupture of membranes of membrane, upper and lower two electricity
Contact short circuit is caused resistance to become very small by pole plate 11, and data are acquired in test process, each temperature spot corresponds to
One point of resistance, since resistance can be become larger or diminished in the form of mutation in test process, data point collection is non-
It is often intensive, therefore select the speed of 10 points per second to carry out gathered data, it is capable of the situation of change of accurate collecting temperature resistance.It is shown
Temperature and resistance data are made curve map by data acquisition processing device 5, as shown in figure 4, the electricity between two pieces of electrode plates 11
Resistance is by the shut-off temperature that small surge is the membrane 2 to very big temperature spot T1, the resistance between two pieces of electrode plates 11
It is the broken film temperature of the membrane 2 by the temperature spot T2 strongly reduced greatly.
In conclusion the utility model provides a kind of membrane shut-off Research on Automatic Measuring System of Temperature, the membrane turns off temperature test
System includes：Heat pressue device；Septum clip, in the heating pressue device；The septum clip includes：Two blocks of electricity
Pole plate, two electrode plate is parallel to be posted together；Membrane, be held on the septum clip two pieces of electrode plates it
Between；Electrolyte, drop are arranged between the membrane and the electrode plate；For testing resistance and institute between two pieces of electrode plates
The measuring device of membrane temperature is stated, the measuring device is connected with the electrode plate and the membrane；Data acquisition process fills
Put, be electrically connected with the measuring device.The shut-off Research on Automatic Measuring System of Temperature of the utility model can be realized to two pieces of electrode plates
Between the accurate test that varies with temperature of resistance, the shut-off of membrane can be reacted exactly by the turning point of resistance change
Temperature, avoids error that may be present during engaged test direct to membrane so that measurement result has higher accuracy；Together
When, present invention shut-off Research on Automatic Measuring System of Temperature also has the advantages that of simple structure and low cost, easy to operation.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (8)
1. a kind of membrane turns off Research on Automatic Measuring System of Temperature, it is characterised in that the membrane shut-off Research on Automatic Measuring System of Temperature includes：
Heat pressue device；
Septum clip, in the heating pressue device；The septum clip includes：Two electrode plates, two pieces of electrodes
Plate is parallel to be posted together；
Membrane, is held between two pieces of electrode plates of the septum clip；
Electrolyte, drop are arranged between the membrane and the electrode plate；
For testing the measuring device of resistance and the membrane temperature between two pieces of electrode plates, the measuring device and institute
State electrode plate and the membrane is connected；
Data acquisition processing device, is electrically connected with the measuring device.
2. membrane according to claim 1 turns off Research on Automatic Measuring System of Temperature, it is characterised in that the membrane turns off temperature test
System further includes display device, is electrically connected with the data acquisition processing device.
3. membrane according to claim 1 turns off Research on Automatic Measuring System of Temperature, it is characterised in that the heating pressue device bag
Include：
Pressurised chamber；
Presser unit, in the pressurised chamber；
Two pieces of heating plates, one piece of heating plate are located at the top of the pressurised chamber, and another piece of heating plate is located at the pressurization
The top of unit；The septum clip is between two pieces of heating plates；
Pressure gauge, is arranged on the outside of the pressurised chamber, and is connected with the presser unit；
Temperature controller, is connected with the heating plate.
4. membrane according to claim 1 turns off Research on Automatic Measuring System of Temperature, it is characterised in that the heating pressue device bag
Include：
Pressurised chamber；
Presser unit, in the pressurised chamber；
Two pieces of heating plates, one piece of heating plate are located at the bottom of the pressurised chamber, and another piece of heating plate is located at the pressurization
The bottom of unit；The septum clip is between two pieces of heating plates；
Pressure gauge, is arranged on the outside of the pressurised chamber, and is connected with the presser unit；
Temperature controller, is connected with the heating plate.
5. the membrane shut-off Research on Automatic Measuring System of Temperature according to claim 3 or 4, it is characterised in that the heating pressue device
High-temperature resistant rubber pad is further included, the high-temperature resistant rubber pad is arranged between the heating plate and the septum clip.
6. membrane according to claim 1 turns off Research on Automatic Measuring System of Temperature, it is characterised in that installation is equipped with the electrode plate
Through hole, and the installation through-hole in two pieces of electrode plates is correspondingly arranged up and down；The septum clip further includes fixing device, described
Fixing device fixes two pieces of electrode plates via the installation through-hole.
7. membrane according to claim 6 turns off Research on Automatic Measuring System of Temperature, it is characterised in that the installation through-hole is screw thread
Hole；
The fixing device is bolt.
8. membrane according to claim 1 turns off Research on Automatic Measuring System of Temperature, it is characterised in that the measuring device includes：
Resistance measuring module, is electrically connected with the electrode plate and the data acquisition processing device；
Temperature-measuring module, is electrically connected with the data acquisition processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249814.4U CN207318588U (en) | 2017-09-27 | 2017-09-27 | Membrane turns off Research on Automatic Measuring System of Temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249814.4U CN207318588U (en) | 2017-09-27 | 2017-09-27 | Membrane turns off Research on Automatic Measuring System of Temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318588U true CN207318588U (en) | 2018-05-04 |
Family
ID=62384437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721249814.4U Active CN207318588U (en) | 2017-09-27 | 2017-09-27 | Membrane turns off Research on Automatic Measuring System of Temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603953A (en) * | 2018-12-19 | 2019-04-12 | 燕山大学 | A kind of lithium battery pole slice drying process experiment porch |
-
2017
- 2017-09-27 CN CN201721249814.4U patent/CN207318588U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603953A (en) * | 2018-12-19 | 2019-04-12 | 燕山大学 | A kind of lithium battery pole slice drying process experiment porch |
| CN109603953B (en) * | 2018-12-19 | 2020-04-28 | 燕山大学 | Lithium battery pole piece drying process experiment platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180604 Address after: 519000 Zhongda innovation Valley F area F5, building 2233, Ping Dong Road, Ping Sha town, Zhuhai, Guangdong Patentee after: Zhuhai nzechet Mstar Technology Ltd Address before: 201399 No. 155 South Lu highway, Pudong New Area, Pudong New Area, Shanghai. Patentee before: Shanghai Enjie New Material Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 201399 No. 155 Nanlu Highway, Pudong New Area, Shanghai Patentee after: Shanghai Enjie New Materials Technology Co., Ltd. Address before: 519000 Zhongda innovation Valley F area F5, building 2233, Ping Dong Road, Ping Sha town, Zhuhai, Guangdong Patentee before: Zhuhai nzechet Mstar Technology Ltd |
|
| CP03 | Change of name, title or address |