CN204882449U - Accurate reliable type moisture test device - Google Patents
Accurate reliable type moisture test device Download PDFInfo
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- CN204882449U CN204882449U CN201520458249.7U CN201520458249U CN204882449U CN 204882449 U CN204882449 U CN 204882449U CN 201520458249 U CN201520458249 U CN 201520458249U CN 204882449 U CN204882449 U CN 204882449U
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- sample
- sampling cavity
- heating unit
- reaction chamber
- coulomb
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- 238000012360 testing method Methods 0.000 title abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000002808 molecular sieve Substances 0.000 claims abstract description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 22
- 238000001035 drying Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000013522 software testing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000003869 coulometry Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Hybrid Cells (AREA)
Abstract
The utility model discloses an accurate reliable type moisture test device, including the pump that admits air, admission line, gas dryer, the pipeline of giving vent to anger, sampler, insulating tube and the enclosed pasture moisture appearance that connects gradually, the giving vent to anger of pump of should admitting air is held and is connected the admission line, is provided with the dry molecular sieve of using in this gas dryer, this sampler has the sample chamber, and the aforementioned pipeline of giving vent to anger is connected in gas dryer and sample chamber, this sample intracavity bottom is provided with the precision electronics balance that is used for weighing the sample, and the intracavity of should taking a sample is provided with the heating unit that is used for the sample heating, and this heating unit disposes the thermo detector of its temperature of real -time supervision, this coulomb of moisture appearance disposes the electrode including the reaction chamber that is used for coulomb reagent in this reaction chamber, this electrode is connected with the ampere meter, and aforementioned insulating tube is connected between sample chamber and reaction chamber, by this, effectively realized the moisture test to battery separator, and its easy operation, test precision and efficiency of software testing improved greatly.
Description
Technical field
The utility model relates to field of batteries technology, refers in particular to a kind of precisely reliable moisture content tester.
Background technology
Battery diaphragm refers to one deck diaphragm material between anode and negative pole, it is part very crucial in battery, have a direct impact battery security and cost, its Main Function is isolation positive and negative electrode the electronics in battery can not be passed freely through, and allows the ion in electrolytic solution freely pass through between both positive and negative polarity.Containing electrolyte in the electrolytic solution of lithium battery, when reacting with moisture, battery performance can be made to decline, therefore, requiring that battery diaphragm moisture is as far as possible little.In prior art, the material (such as: PEN, i.e. polyethylene polypropylene) of its barrier film is almost moisture free, but can carry out coating improvement to barrier film now, and membrane properties is changed, and coating can introduce moisture, therefore, needs to test barrier film moisture.
In prior art, when carrying out moisture measurement to battery diaphragm, it utilizes instrument to weigh to battery diaphragm in outside, may introduce moisture like this, and moisture measurement can be caused inaccurate; Therefore, need to work out a kind of new technical scheme and solve the problems referred to above.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its fundamental purpose is to provide a kind of precisely reliable moisture content tester, and it is simple to operate, substantially increases accurate testing degree and testing efficiency.
For achieving the above object, the utility model adopts following technical scheme:
A kind of precisely reliable moisture content tester, includes the air intake pump, admission line, gas flow dryer, outlet pipe, sampler, insulating tube and the coulomb Moisture Meter that connect successively;
Wherein, the outlet side of this air intake pump connects admission line, is provided with drying molecular sieve in this gas flow dryer; This sampler has sampling cavity, and aforementioned outlet pipe is connected to gas flow dryer and sampling cavity; This sampling cavity inner bottom part is provided with the Precision Electronics Balance for weighing sample, and be provided with the heating unit for heating sample in this sampling cavity, this heating unit is configured with the thermo detector of its temperature of Real-Time Monitoring; This coulomb of Moisture Meter includes the reaction chamber for coulomb reagent, and be configured with electrode in this reaction chamber, this Electrode connection has reometer, and aforementioned insulating tube is connected between sampling cavity and reaction chamber.
As a kind of preferred version, described heating unit along sampling cavity inner circumferential sidewall 360 degree around setting.
As a kind of preferred version, described admission line is provided with variable valve.
As a kind of preferred version, also include controller and display panel, this controller is connected to aforementioned air intake pump, Precision Electronics Balance, heating unit, thermo detector, reometer and display panel.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, it is mainly by design and the cooperation of air intake pump, admission line, gas flow dryer, outlet pipe, sampler, insulating tube and coulomb Moisture Meter, effectively achieve the moisture measurement to battery diaphragm, and it is simple to operate, substantially increase accurate testing degree and testing efficiency, be conducive to the quality of production guaranteeing battery diaphragm and battery.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the primary structure connection diagram of the embodiment of the utility model;
Fig. 2 is the control structure block diagram of the embodiment of the utility model.
Accompanying drawing identifier declaration:
10, air intake pump 11, admission line
12, variable valve 20, gas flow dryer
21, outlet pipe 22, drying molecular sieve
30, sampler 31, insulating tube
32, sampling cavity 33, Precision Electronics Balance
34, heating unit 35, thermo detector
40, coulomb Moisture Meter 41, reaction chamber
42, electrode 43, reometer
50, controller 60, display panel.
Embodiment
Please refer to shown in Fig. 1 to Fig. 2, that show the concrete structure of the embodiment of the utility model, this kind of moisture content tester is mainly applicable to cell art, and its object be suitable for has battery diaphragm, cell positive material, cell negative electrode material and conductive agent etc.
This kind of moisture content tester includes the air intake pump 10, admission line 11, gas flow dryer 20, outlet pipe 21, sampler 30, insulating tube 31 and the coulomb Moisture Meter 40 that connect successively.
Wherein, the outlet side of this air intake pump 10 connects admission line 11, and described admission line 11 is provided with variable valve 12; Drying molecular sieve 22 is provided with in this gas flow dryer 20; This sampler 30 has sampling cavity 32, and aforementioned outlet pipe 21 is connected to gas flow dryer 20 and sampling cavity 32; This sampling cavity 32 inner bottom part is provided with the Precision Electronics Balance 33 for weighing sample, and it can the weight of accurate weighing battery diaphragm.
Be provided with the heating unit 34 for heating sample in this sampling cavity 32, herein, described heating unit 34 along sampling cavity inner circumferential sidewall 360 degree around setting; This heating unit 34 is configured with the more than one thermo detector 35 of its temperature of Real-Time Monitoring, to obtain the temperature value at multiple position, heating temperature range should higher than the boiling point of water and lower than the fusing point of battery diaphragm, therefore, slightly different according to its temperature range of material that battery diaphragm adopts, such as, according to PE material, heating temperature range roughly between 100-135 DEG C, and adopts PP material, and heating temperature range is then roughly between 100-155 DEG C.
This coulomb of Moisture Meter 40 includes the reaction chamber 41 for coulomb reagent, electrode 42 is configured with in this reaction chamber 41, this electrode 42 is connected with reometer 43, aforementioned insulating tube 31 be connected to sampling cavity 32 and reaction chamber 41 between, it guarantees that battery diaphragm institute transpiring moisture can not at in-tube condensation; Herein, be adopt Ka Shi coulometry to the mensuration of moisture, this kind of electrochemical method is known techniques, does not remake repeat at this.
Next, application of aforementioned proving installation carries out moisture measurement general principles/process to battery membranes is simply introduced:
Air intake pump 10 is bled and is entered in gas flow dryer 20 through admission line 11, and after drying acts on molecular sieve 22, dried gas enters in the sampling cavity 32 of sampler 30 by outlet pipe 21; Battery diaphragm is placed in sampling cavity 32, Precision Electronics Balance 33 precisely weighs it, under the heat effect of heating unit 34, moisture evaporates and enters in the reaction chamber 41 of coulomb Moisture Meter 40 with dry gas through insulating tube 31 in battery diaphragm, according to the moisture in Karl-Fischer coulometry (Ka Shi coulometry) working sample; In conjunction with example weight and moisture weight two numerical value, battery diaphragm moisture can be calculated.
Aforementioned each functional module can design separately independent control, along with the development trend of "smart" products, aforementioned accurate reliable moisture content tester also can be designed to intelligentized control method mode by us, namely by the central controlled controller 50 of design one and the display panel 60 for showing parameters, this controller 50 is connected to aforementioned air intake pump 10, Precision Electronics Balance 33, heating unit 34, thermo detector 35, reometer 43, variable valve 12 and display panel 60 etc., so, only sample need be put into sampling cavity 32, then automatically whole test process is controlled by controller 50, finally, test result is known from display panel 60.
Design focal point of the present utility model is, it is mainly by design and the cooperation of air intake pump, admission line, gas flow dryer, outlet pipe, sampler, insulating tube and coulomb Moisture Meter, effectively achieve the moisture measurement to battery diaphragm, and it is simple to operate, substantially increase accurate testing degree and testing efficiency, be conducive to the quality of production guaranteeing battery diaphragm and battery.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. an accurate reliable moisture content tester, is characterized in that: include the air intake pump, admission line, gas flow dryer, outlet pipe, sampler, insulating tube and the coulomb Moisture Meter that connect successively;
Wherein, the outlet side of this air intake pump connects admission line, is provided with drying molecular sieve in this gas flow dryer; This sampler has sampling cavity, and aforementioned outlet pipe is connected to gas flow dryer and sampling cavity; This sampling cavity inner bottom part is provided with the Precision Electronics Balance for weighing sample, and be provided with the heating unit for heating sample in this sampling cavity, this heating unit is configured with the thermo detector of its temperature of Real-Time Monitoring; This coulomb of Moisture Meter includes the reaction chamber for coulomb reagent, and be configured with electrode in this reaction chamber, this Electrode connection has reometer, and aforementioned insulating tube is connected between sampling cavity and reaction chamber.
2. accurate reliable moisture content tester according to claim 1, is characterized in that: described heating unit along sampling cavity inner circumferential sidewall 360 degree around setting.
3. accurate reliable moisture content tester according to claim 1, is characterized in that: described admission line is provided with variable valve.
4. according to the accurate reliable moisture content tester in claims 1 to 3 described in any one, it is characterized in that: also include controller and display panel, this controller is connected to aforementioned air intake pump, Precision Electronics Balance, heating unit, thermo detector, reometer and display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458249.7U CN204882449U (en) | 2015-06-30 | 2015-06-30 | Accurate reliable type moisture test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458249.7U CN204882449U (en) | 2015-06-30 | 2015-06-30 | Accurate reliable type moisture test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882449U true CN204882449U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458249.7U Active CN204882449U (en) | 2015-06-30 | 2015-06-30 | Accurate reliable type moisture test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066352A (en) * | 2016-05-26 | 2016-11-02 | 国网四川省电力公司电力科学研究院 | A kind of sulfur hexafluoride gas trace moisture content determinator and method thereof |
-
2015
- 2015-06-30 CN CN201520458249.7U patent/CN204882449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066352A (en) * | 2016-05-26 | 2016-11-02 | 国网四川省电力公司电力科学研究院 | A kind of sulfur hexafluoride gas trace moisture content determinator and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220424 Address after: 518000 No. 8, Binhai 2nd Road, Dapeng street, Dapeng new area, Dongguan City, Guangdong Province Patentee after: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. Address before: 523000 Shenzhen Zhongxing Innovative Material Technology Co., Ltd. Dongguan branch, 301 and 302, building I, No. 182, kuiqing Road, Qinghuang Industrial Zone, Qingxi Town, Dongguan City, Guangdong Province Patentee before: SHENZHEN ZIMT TECHNOLOGY Co.,Ltd. DONGGUAN BRANCH |
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| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 No. 8, Binhai Second Road, Dapeng street, Dapeng new area, Dongguan City, Guangdong Province Patentee after: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. Address before: 518000 No. 8, Binhai 2nd Road, Dapeng street, Dapeng new area, Dongguan City, Guangdong Province Patentee before: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 No.8 Binhai 2nd Road, Dapeng street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. Address before: 518000 No. 8, Binhai Second Road, Dapeng street, Dapeng new area, Dongguan City, Guangdong Province Patentee before: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 No.8 Binhai 2nd Road, Dapeng street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. Address before: 518000 No. 8, Binhai Second Road, Dapeng street, Dapeng new area, Dongguan City, Guangdong Province Patentee before: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 No.8 Binhai 2nd Road, Dapeng street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN ZHONGXING NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 518000 No.8 Binhai 2nd Road, Dapeng street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: ZTE INNOVATIVE MATERIAL TECHNOLOGIES Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |