CN205982161U - Plastic -aluminum membrane is towards damaged simple and easy detection device of shell - Google Patents
Plastic -aluminum membrane is towards damaged simple and easy detection device of shell Download PDFInfo
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- CN205982161U CN205982161U CN201620859943.4U CN201620859943U CN205982161U CN 205982161 U CN205982161 U CN 205982161U CN 201620859943 U CN201620859943 U CN 201620859943U CN 205982161 U CN205982161 U CN 205982161U
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- plastic film
- aluminum plastic
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- plastic
- probe
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Abstract
The utility model provides a plastic -aluminum membrane is towards damaged simple and easy detection device of shell, including the detection circuitry who awaits measuring the plastic -aluminum membrane and constitute by the power of probe, alligator clip, ampere meter and constant current constant voltage, the alligator clip is connected with the negative pole of power, the probe is connected with the anodal of power, the ampere meter is established ties in detection circuitry, the plastic -aluminum film mold that awaits measuring has the cavity that is used for accommodating electric core, during the measurement, the alligator clip clamp is in one side of the plastic -aluminum membrane that awaits measuring, and the alligator clip with await measuring aluminium lamination contact in the plastic -aluminum membrane, the built -in copper sulphate solution that is equipped with of cavity, the probe switches on with copper sulphate solution. The utility model has the advantages of simple structure, the cost of manufacture is low to can effectively detect out the plastic -aluminum membrane and whether receive mechanical damage behind the shell, thereby guarantee to make the battery quality of coming out, improve the security performance of battery.
Description
Technical field
This utility model is related to plastic-aluminum film detecting device field, rushes the damaged simple detection of shell particularly to a kind of aluminum plastic film
Device.
Background technology
As a most widely used rechargeable battery, certainly research and develop application has had more than 20 lithium ion battery so far
Year history.The same with other batteries, lithium ion battery is also by positive pole, negative pole, barrier film, electrolyte, collector and outer package
Housing forms.The chemical property of lithium ion battery effective ingredient is all very active, is placed in the air and is easy to catch fire or even explodes,
Thus the packaging shell of lithium ion battery should have certain corrosion resistance and very excellent barrier, conventional packaging at present
Mainly there are box hat, aluminum hull and high molecular aluminium plastic film.Using aluminum-plastic composite membrane, battery is packed, has the advantages that lightweight,
The specific energy of battery can significantly be lifted.And laminated aluminum film film has very big flexibility, electricity can be effectively reduced
Pond intrinsic pressure, be not in explosion danger.As shown in figure 1, aluminum plastic film is mainly formed by five layers, respectively PET/PA from the outside to the core
Layer, PU layer, aluminium lamination, PPA layer and CPP layer.
And existing aluminum plastic film product is after rushing casing forming, CPP/PPA layer is easily mechanically damaged, makes aluminium lamination sudden and violent
Dew, in the electrolytic solution thus leading to a series of problems, such as battery short circuit, battery flatulence, more can produce Fire explosion, easily when serious
Cause irremediable security incident.Thus detection aluminum plastic film CPP/PPA layer is with the presence or absence of damaged extremely important.But current row
In the not corresponding analysis detection meanss of the aluminum plastic film manufacturing side in industry, more there is no corresponding detection means, once battery occurs
Quality problems are difficult to determine whether cause for aluminum plastic film CPP/PPA layer is impaired, are also difficult to test before making battery simultaneously
Card aluminum plastic film whether there is the impaired phenomenon of CPP/PPA layer it is difficult to ensure the battery quality manufacturing.
Utility model content
This utility model is directed to the disappearance of prior art presence, provides a kind of aluminum plastic film to rush the damaged simple detection dress of shell
Put, this structure of the detecting device is simple, can effective detection go out aluminum plastic film rush whether mechanically damaged, thus ensure that manufacture after shell
Battery quality out, improves the security performance of battery.
For achieving the above object, this utility model is using as purgation technical scheme：
A kind of aluminum plastic film rushes the damaged simple detection device of shell, including aluminum plastic film to be measured and by probe, alligator clamp, electric current
The testing circuit of the electric power generating composition of table and constant current constant voltage, described alligator clamp is connected with the negative pole of power supply, described probe and power supply
Positive pole connects, and described ammeter is series in testing circuit, and described aluminum plastic film to be measured has the cavity for housing battery core, measurement
When, described alligator clamp is sandwiched in the side of aluminum plastic film to be measured, and described alligator clamp is contacted with the aluminium lamination in aluminum plastic film to be measured, described recessed
Intracavity is equiped with copper-bath, and described probe is turned on copper-bath.
As a kind of preferred version, described probe is copper pin.
As a kind of preferred version, the output voltage of described power supply is 3-8V.
As a kind of preferred version, the copper sulfate in described copper-bath is 14 with the mass ratio of water：100.
Rush the detection method of the damaged simple detection device of shell using above-mentioned aluminum plastic film, comprise the following steps that：
1) prepare copper-bath：At normal temperatures, by copper sulfate and water in mass ratio for 14：100 mixed dissolutions are configured to
Copper-bath；
2) circuit debugging：The damaged simple detection device of shell is rushed using above-mentioned aluminum plastic film, makes alligator clamp be sandwiched in aluminum to be measured
The side of plastic film, and contact with the aluminium lamination in aluminum plastic film to be measured, and so that probe and the aluminium lamination of aluminum plastic film opposite side to be measured is contacted,
Turn on the power (voltage is adjusted to 6V), such as ammeter has electric current to show then it represents that circuit debugging completes, and otherwise readjusts electricity
Road.
3) detect：The copper-bath preparing is poured in the cavity of aluminum plastic film, alligator clamp is sandwiched in aluminum plastic film to be measured
Side, and contact with the aluminium lamination in aluminum plastic film to be measured, then probe is directly protruding in copper-bath, turns on the power, treat
After 1min, if finding to have rufous metallic copper to separate out on aluminum plastic film, representing this aluminum plastic film and being subject to mechanical damage when rushing shell, if
No metallic copper separates out, then representing band aluminum plastic film does not have breakage.
This utility model compared with prior art, has advantages below and advantage, specifically：1st, the knot of this detection means
Structure is simple, low cost of manufacture；2nd, when the circuit communication of this detection means, if finding to have rufous metallic copper to analyse on aluminum plastic film
Go out, then represent this aluminum plastic film and be subject to mechanical damage when rushing shell, if no metallic copper separates out, representing band aluminum plastic film does not have breakage,
So can fast and effeciently detect whether aluminum plastic film is mechanically damaged after rushing shell, thus ensure that the battery manufacturing
Quality, improves the security performance of battery；3rd, when the circuit communication of this detection means, once the pointer on ammeter occurs partially
Turn, then represent that aluminum plastic film is mechanically damaged when rushing shell, if the pointer on ammeter does not deflect, represent aluminum plastic film
There is no breakage, thus more rapid can effectively detect whether aluminum plastic film is mechanically damaged after rushing shell；4th, detection when institute
The copper-bath amount needing is few, and testing cost is relatively low；5th, the copper-bath after detecting can be reduced further with Recycling
Testing cost.
For more clearly illustrating architectural feature of the present utility model, technological means and its specific purposes being reached and work(
Can, come with specific embodiment below in conjunction with the accompanying drawings this utility model is described in further detail：
Brief description
Fig. 1 is the structural representation of aluminum plastic film；
Fig. 2 is the assembly structure diagram of the embodiment of this utility model.
Accompanying drawing identifier declaration：
1-PET/PA layer, 2-PU layer, 3- aluminium lamination, 4-PPA layer, 5-CPP layer, 6- aluminum plastic film to be measured, 7- power supply, 8- crocodile
Folder, 9- ammeter, 10- probe, 11- copper-bath.
Specific embodiment
As shown in Fig. 2 a kind of aluminum plastic film rushes the damaged simple detection device of shell, including aluminum plastic film 6 to be measured and by probe
10th, the testing circuit that the power supply 7 of alligator clamp 8, ammeter 9 and constant current constant voltage is constituted, described alligator clamp 8 is connected with the negative pole of power supply 7
Connect, described probe 10 is connected with the positive pole of power supply 7, described ammeter 9 is series in testing circuit, described aluminum plastic film 6 to be measured has
Have the cavity for housing battery core, during measurement, described alligator clamp 8 is sandwiched in the side of aluminum plastic film 6 to be measured, and described alligator clamp 8 with
Aluminium lamination 3 in aluminum plastic film 6 to be measured contacts, and is equiped with copper-bath 11, described probe 10 and copper-bath in described cavity
11 conductings.Described probe 10 is copper pin.The output voltage of described power supply 7 is 3-8V.Copper sulfate in described copper-bath 11
Mass ratio with water is 14：100.
Rush the detection method of the damaged simple detection device of shell using above-mentioned aluminum plastic film, comprise the following steps that：
1) prepare copper-bath：At normal temperatures, by copper sulfate and water in mass ratio for 14：100 mixed dissolutions are configured to
Copper-bath 11；
2) circuit debugging：The damaged simple detection device of shell is rushed using above-mentioned aluminum plastic film, makes alligator clamp 8 be sandwiched in aluminum to be measured
The side of plastic film 6, and contact with the aluminium lamination 3 in aluminum plastic film 6 to be measured, and make the aluminum of probe 10 and aluminum plastic film 6 opposite side to be measured
Layer 3 contact, turns on the power 7 (voltage is adjusted to 6V), such as ammeter has electric current to show then it represents that circuit debugging completes, and otherwise weighs
New adjustment circuit.
3) detect：The copper-bath preparing 11 is poured in the cavity of aluminum plastic film 6 to be measured, alligator clamp 8 is sandwiched in be measured
The side of aluminum plastic film 6, and contact with the aluminium lamination 3 in aluminum plastic film 6 to be measured, then probe 10 is directly protruding into copper-bath 11
In, turning on the power 7, after 1min, if finding to have rufous metallic copper to separate out on aluminum plastic film, representing this aluminum plastic film when rushing shell
By mechanical damage, if no metallic copper separates out, representing band aluminum plastic film does not have breakage.
The above, be only preferred embodiment of the present utility model, not in order to limit this utility model, thus every
Any modification, equivalent substitution and improvement above example made according to technology of the present utility model reality etc., all still fall within this
In the range of utility model technical scheme.
Claims (4)
1. a kind of aluminum plastic film rush the damaged simple detection device of shell it is characterised in that：Including aluminum plastic film to be measured and by probe, crocodile
The testing circuit of the electric power generating composition of fish folder, ammeter and constant current constant voltage, described alligator clamp is connected with the negative pole of power supply, described probe
It is connected with the positive pole of power supply, described ammeter is series in testing circuit, described aluminum plastic film to be measured has for housing battery core
Cavity, during measurement, described alligator clamp is sandwiched in the side of aluminum plastic film to be measured, and described alligator clamp is connect with the aluminium lamination in aluminum plastic film to be measured
Touch, in described cavity, be equiped with copper-bath, described probe is turned on copper-bath.
2. aluminum plastic film according to claim 1 rush the damaged simple detection device of shell it is characterised in that：Described probe is copper
Pin.
3. aluminum plastic film according to claim 1 rush the damaged simple detection device of shell it is characterised in that：Described power supply defeated
Going out voltage is 3-8V.
4. aluminum plastic film according to claim 1 rush the damaged simple detection device of shell it is characterised in that：Described copper sulfate is molten
Copper sulfate in liquid is 14 with the mass ratio of water：100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859943.4U CN205982161U (en) | 2016-08-09 | 2016-08-09 | Plastic -aluminum membrane is towards damaged simple and easy detection device of shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859943.4U CN205982161U (en) | 2016-08-09 | 2016-08-09 | Plastic -aluminum membrane is towards damaged simple and easy detection device of shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982161U true CN205982161U (en) | 2017-02-22 |
Family
ID=59978072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620859943.4U Active CN205982161U (en) | 2016-08-09 | 2016-08-09 | Plastic -aluminum membrane is towards damaged simple and easy detection device of shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205982161U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515081A (en) * | 2017-09-26 | 2017-12-26 | 江苏双登富朗特新能源有限公司 | Lithium ion battery aluminum plastic film package quality fast positioning detection means |
| CN111766272A (en) * | 2020-06-18 | 2020-10-13 | 合肥国轩高科动力能源有限公司 | Battery aluminum-plastic film pit punching damage detection liquid and detection method thereof |
| CN112798192A (en) * | 2020-12-18 | 2021-05-14 | 东莞维科电池有限公司 | Method for detecting encapsulation tightness of lithium ion battery cell |
| CN113030784A (en) * | 2021-03-16 | 2021-06-25 | 武汉昊诚能源科技有限公司 | Aluminum-plastic film pit punching quality detection device and method |
-
2016
- 2016-08-09 CN CN201620859943.4U patent/CN205982161U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515081A (en) * | 2017-09-26 | 2017-12-26 | 江苏双登富朗特新能源有限公司 | Lithium ion battery aluminum plastic film package quality fast positioning detection means |
| CN111766272A (en) * | 2020-06-18 | 2020-10-13 | 合肥国轩高科动力能源有限公司 | Battery aluminum-plastic film pit punching damage detection liquid and detection method thereof |
| CN112798192A (en) * | 2020-12-18 | 2021-05-14 | 东莞维科电池有限公司 | Method for detecting encapsulation tightness of lithium ion battery cell |
| CN113030784A (en) * | 2021-03-16 | 2021-06-25 | 武汉昊诚能源科技有限公司 | Aluminum-plastic film pit punching quality detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Chengzhi Inventor after: Zhang Wulin Inventor after: Wang Xiaoming Inventor before: Liu Chengzhi Inventor before: Zhang Wulin Inventor before: Wang Xiaoming |
|
| CB03 | Change of inventor or designer information |