CN207007657U - A kind of chloride plate porosity detection means - Google Patents
A kind of chloride plate porosity detection means Download PDFInfo
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- CN207007657U CN207007657U CN201720469452.3U CN201720469452U CN207007657U CN 207007657 U CN207007657 U CN 207007657U CN 201720469452 U CN201720469452 U CN 201720469452U CN 207007657 U CN207007657 U CN 207007657U
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- pipeline
- sealing container
- pole plate
- detection means
- sulfuric acid
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Abstract
The utility model discloses a kind of chloride plate porosity detection means, including the sealing container connected by the first pipeline and vavuum pump, the inner chamber of the sealing container is provided with the detect tank for holding pole plate, the sealing container also connects sulfuric acid storage tank or pure water storage tank by the second pipeline, and the end of the second pipeline connection lid is located at the top of detect tank.The utility model chloride plate porosity detection means using when pole plate sample lain in the detect tank in sealing container, then being vacuumized with vavuum pump makes to form negative pressure in sealing container, being passed through sulfuric acid solution or pure water in the detect tank into sealing container again makes pole plate absorb liquid, pole plate is finally taken out, pole plate porosity is characterized with the ratio of pole plate imbibition quality and its own weight.
Description
Technical field
Lead accumulator detection technique field is the utility model is related to, is examined more particularly to a kind of chloride plate porosity
Survey device.
Background technology
Lead accumulator belongs to reversible dc power supply, and chemical energy can be changed into electric energy, while also can converting electrical energy into
Learn energy.Lead accumulator is mainly made up of electrolyte, groove lid and pole group, and the electrolyte of lead accumulator is sulfuric acid solution, wherein pole
Group is mainly made up of positive plate, negative plate and dividing plate, and dividing plate primarily serves storage electrolyte, and the gas compound as oxygen leads to
Road, play prevent active material come off and positive and negative electrode between short-circuit effect.
Pole plate is the important component of lead accumulator, and the characteristic of pole plate plays conclusive effect to the properties of battery.
Such as the minimum composition unit of positive plate active material configuration is PbO2Particle, a number of PbO2Particle is interconnected to
Aggregation agglomerate of different sizes.Substantial amounts of agglomerate and single little particle in any case be interconnected to form aggregation
Body or porous mass, micropore is formed between the agglomerate of composition aggregation.So the aggregation of battery pole plates active material is
Material with multi-cellular structure, it is active porous mass.Aggregation is interconnected to form skeleton, they by interface with
Grid is connected.Macropore is formed between aggregation, makes H+Ion, SO4 2-Ion and H2O is moved inside pole plate and substantially in electrolyte
Move and complete electrochemical reaction.So lead plaster macrostructure provides Transmission system main in positive active material.
The porosity of pole plate lead plaster is a key property of battery pole plates., can be with by the test to pole plate porosity
Related process information in terms of another side is recognized with cream, solidification and chemical conversion indirectly, it is also possible to pole plate lead
Situation in the phase composition of cream thing, structure carries out a preliminary judgement, and then has an accurately anticipation to the performance of battery.Mesh
Before, the Normal practice of test pole plate porosity is tested using professional large-scale instrument, for example uses mercury injection apparatus.Pass through this instrument
Device, porosity, the pore-size distribution situation of pole plate part lead plaster can be determined, but it is representative poor, it is impossible to reflect pole plate entirety
Porosity situation, and operation is cumbersome, and tested media is also restrained, easily causes environmental pollution and the injury to human body.
Large-scale instrument is adapted to scientific research, is not suitable for the conventionally test activity of daily battery production pole plate porosity.
Utility model content
The utility model is in view of the shortcomings of the prior art, provide a kind of simple in construction, easily operated, easy to detect quick
The chloride plate porosity detection means for being suitable for daily easily-testing.
A kind of chloride plate porosity detection means, including the sealing container and vacuum connected by the first pipeline
Pump, the inner chamber of the sealing container are provided with the detect tank for holding pole plate, and the sealing container also connects sulfuric acid by the second pipeline
Storage tank or pure water storage tank, the end of the second pipeline connection lid are located at the top of detect tank.When detecting green plate, use is pure
Water is as adsorption liquid；When detecting ripe pole plate, proportion is used as 1.28~1.34g/cm3Sulfuric acid solution as adsorption liquid, so
Can be only using the second pipeline all the way, as needed only using one in sulfuric acid storage tank or pure water storage tank, naturally it is also possible to set
The pipeline of two-way second is counted, connects sulfuric acid storage tank or pure water storage tank respectively, so only selection need to connect the pipeline needed in detection,
Without changing sulfuric acid storage tank or pure water storage tank back and forth.Even sulfuric acid storage tank and pure water storage tank can also share one, and denier needs
To be changed at both in use, cleaning up.After detection terminates, detect tank can be taken out from sealing container, outwell liquid simultaneously
Cleaned.
Second pipeline is provided with valve.When vavuum pump in sealing container to vacuumizing, it is necessary to hold sealing
Device keeps sealing, now by the way that the valve on the second pipeline is closed the second pipeline can be made to keep closed, it is, of course, also possible to logical
Other modes are crossed to seal the second pipeline, for example when the second pipeline uses flexible pipe, are sealed with clamp.
The sealing container includes cell body and lid, and first pipeline and the second pipeline are connected with lid.
The lid is provided with intake valve., can be with when opening sealing container, it is necessary to first eliminate the negative pressure in sealing container
Realized by opening intake valve.
The cell body madial wall is provided with the support feet of support detect tank.
The utility model chloride plate porosity detection means using when pole plate sample lain in sealing container
Detect tank in, then being vacuumized with vavuum pump makes to form negative pressure in sealing container, then in the detect tank into sealing container lead to
Entering sulfuric acid solution or pure water makes pole plate absorb liquid, pole plate is finally taken out, with pole plate imbibition quality and the ratio of its own weight
Characterize pole plate porosity.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model chloride plate porosity detection means.
Embodiment
As shown in figure 1, a kind of chloride plate porosity detection means, including sealing container 1, sealing container 1 include
Cell body 11 and lid 12, cell body 11 and the sealing of lid 12 cover.Sealing container 1 is connected by pipeline 3 with vavuum pump 2, pipeline 3 with
Lid 12 connects.Lid 12 is provided with intake valve 5.When opening sealing container 1, it is necessary to first eliminate the negative pressure in sealing container 1,
It can be realized by opening intake valve 5.
Sealing container 1 also connects sulfuric acid storage tank 8 by pipeline 6, and pure water storage tank 9, pipeline 6 and pipeline 7 are connected by pipeline 7
It is connected with lid 12.Valve 61 and valve 71 are respectively equipped with pipeline 6 and pipeline 7.When detecting green plate, made with pure water
For adsorption liquid；When detecting ripe pole plate, proportion is used as 1.28~1.34g/cm3Sulfuric acid solution as adsorption liquid, now can be with
Achieved the goal by controlled valve 61 and valve 71.One in pipeline 6 and pipeline 7 can certainly only be retained, so only
Pipeline need to be connected into sulfuric acid storage tank 8 when using sulfuric acid solution, pipeline is connected into pure water storage tank 9 when needing to use pure water；Very
As for sulfuric acid storage tank 8 and pure water storage tank 9 can also only retain one, need to only be cleaned up when both change use.
When vavuum pump 2 in sealing container 1 to vacuumizing, it is necessary to make sealing container 1 keep sealing, can now lead to
Cross and close the valve 61 on pipeline 6, the valve 71 on pipeline 7 is closed.It is, of course, also possible to seal by other means, than
Such as when pipeline 6 and pipeline 7 are using flexible pipe, sealed with clamp.
Inner chamber (i.e. inside cell body 11) bottom of sealing container 1 is provided with the detect tank 4 for holding pole plate, and detect tank 4 is set up in
In support feet 13 on the madial wall of cell body 11.The inner chamber of cell body 11, extension are stretched into the end of pipeline 6 and the connection lid 12 of pipeline 7
To the top of detect tank 4.When pure water or sulfuric acid solution are in by negative pressure suction seal container 1, the end of pipeline 6 or pipeline 7
For liquid outlet, liquid should not flow down from higher position, avoid washing away the active material on pole plate, cause last inspection result inadequate
Accurately.
During detection, pole plate to be detected is first put into 105 DEG C ± 2 DEG C of drying box and keeps 2h, fully dried, after taking-up
It is placed in drying basin and is cooled to room temperature, it is M1 to weigh its weight；Then the lid 12 of sealing container 1 is opened, pole plate is lain in
In detect tank 4；Lid 12 is covered, closes intake valve 5, closes valve 61 and valve 71, opens vavuum pump 2 in sealing container 1
Chamber vacuumizes；When the vacuum of the inner chamber of sealing container 1 reaches -0.08MPa, if pole plate to be detected is ripe pole plate, beat
Sulfuric acid solution in sulfuric acid storage tank 8 is drawn into detect tank 4 by valve opening door 61, negative pressure, and sulfuric acid solution is limited with not crossing pole plate, is protected
Hold 20min and pole plate is fully drawn sulfuric acid solution and (if pole plate to be detected is green plate, do not open valve 61, but beat
Valve opening door 71, pure water is set to be drawn into by negative pressure in sealing container 1)；Vavuum pump 2 is closed, opens intake valve 5, after eliminating negative pressure, is beaten
Uncap body 12, take out pole plate to be detected, weighed after pole plate dripless drippage, now weight is M2.Then pole plate porosity with
(M2-M1) result that/M1 × 100% calculates characterizes.
Claims (5)
1. a kind of chloride plate porosity detection means, including the sealing container and vavuum pump connected by the first pipeline,
The inner chamber of the sealing container is provided with the detect tank for holding pole plate, and the sealing container also connects sulfuric acid storage tank by the second pipeline
Or pure water storage tank, the end of the second pipeline connection lid are located at the top of detect tank.
2. chloride plate porosity detection means as claimed in claim 1, it is characterised in that set on second pipeline
There is valve.
3. chloride plate porosity detection means as claimed in claim 1, it is characterised in that the sealing container includes
Cell body and lid, first pipeline and the second pipeline are connected with lid.
4. chloride plate porosity detection means as claimed in claim 3, it is characterised in that the lid be provided with into
Air valve.
5. chloride plate porosity detection means as claimed in claim 1, it is characterised in that on the cell body madial wall
Support feet provided with support detect tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469452.3U CN207007657U (en) | 2017-04-28 | 2017-04-28 | A kind of chloride plate porosity detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469452.3U CN207007657U (en) | 2017-04-28 | 2017-04-28 | A kind of chloride plate porosity detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207007657U true CN207007657U (en) | 2018-02-13 |
Family
ID=61442029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469452.3U Active CN207007657U (en) | 2017-04-28 | 2017-04-28 | A kind of chloride plate porosity detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207007657U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100252A (en) * | 2018-06-29 | 2018-12-28 | 广东天劲新能源科技股份有限公司 | The device and method of electrodes of lithium-ion batteries, diaphragm absorbent can accurately be detected |
| CN111413261A (en) * | 2020-04-01 | 2020-07-14 | 浙江天能电池(江苏)有限公司 | Method for detecting porosity of active substance of polar plate |
| CN113758824A (en) * | 2021-08-04 | 2021-12-07 | 超威电源集团有限公司 | Method for testing porosity of green plate |
-
2017
- 2017-04-28 CN CN201720469452.3U patent/CN207007657U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100252A (en) * | 2018-06-29 | 2018-12-28 | 广东天劲新能源科技股份有限公司 | The device and method of electrodes of lithium-ion batteries, diaphragm absorbent can accurately be detected |
| CN109100252B (en) * | 2018-06-29 | 2022-08-30 | 广东天劲新能源科技股份有限公司 | Equipment and method capable of accurately detecting liquid absorption performance of lithium ion battery pole piece and diaphragm |
| CN111413261A (en) * | 2020-04-01 | 2020-07-14 | 浙江天能电池(江苏)有限公司 | Method for detecting porosity of active substance of polar plate |
| CN113758824A (en) * | 2021-08-04 | 2021-12-07 | 超威电源集团有限公司 | Method for testing porosity of green plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee after: Tianneng Battery Group Co., Ltd. Address before: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee before: Tianneng Battery Group Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |