CN209559428U - Battery drain test device - Google Patents
Battery drain test device Download PDFInfo
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- CN209559428U CN209559428U CN201821614062.1U CN201821614062U CN209559428U CN 209559428 U CN209559428 U CN 209559428U CN 201821614062 U CN201821614062 U CN 201821614062U CN 209559428 U CN209559428 U CN 209559428U
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- leakage tester
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
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Abstract
The utility model relates to battery drain test devices.It can be implemented a kind of for improving the test device of the leak detection of battery used in portable electronic device.Leakage tester may include chamber, and the chamber is configured to accommodate device under test.The chamber may include conductive foam, conducting liquid or any suitable conductive material.The chamber may be configured to for the device under test being maintained in substantially enclosed environment, and prevent or reduce air ionization under high pressure.The device under test can be the battery with skin.
Description
Technical field
The disclosure relates generally to the field of battery tester.The utility model is particularly and non-exclusively for having
There is the battery of skin.
Background technique
Typical 12 volts of (V) automobile batteries have plastic shell.Using inside plastic shell high-field electrode and modeling
The grounding electrode of shell exterior is expected to test whether plastic shell leaks.
New challenge is presented in the case where portable electronic device such as mobile phone.For portable electronic device
In battery covered by conductive film on outer surface.Conductive film is conductive and can have antistatic characteristic.
For example, using search gas filling or volatile organic compounds detection or the typical leak test side of air pressure change
Method has limitation.For example, leakage will not generate pressure since battery is fully sealed and internal there is no free space
Change and component will not absorb search gas by leakage.In addition, any fluid meeting sealing hole leaked, therefore can not examine
Measure leakage.In addition, a large amount of volatile organic compounds will not be discharged in the fluid of inside battery.Pass through the typical leak of high-voltage electricity
Challenge of the test method by the conduction essence of the electrostatic prevention film on battery outer surface.For example, even if not having the battery of defect
A large amount of electricity are leaked by electrostatic prevention film, it is also not possible to be distinguished having defective battery with the battery for not having defect.
Utility model content
Be disclosed herein a kind of test device for improving the leak detection of battery used in portable electronic device and
Method.Leakage tester may include chamber, and the chamber is configured to accommodate device under test.Chamber may include conduction
Element, for example, conductive foam, conducting liquid or any suitable conductive material.Conducting element may be configured to accommodate tested
Trial assembly is set.Non-conducting material can surround conducting element, and can be used for preventing or reducing air ionization under high pressure.
In some instances, conductive material can surround conducting element, and can be used for preventing or reducing air under high pressure from
Sonization.For example, conductive layer may be coupled to conducting element.Conductive layer may be configured to contact device under test.Conductive layer can
To be flexible conducting material.Conductive layer can be for example, aluminium foil.In some embodiments, conducting element and conductive layer can be used
Liquid or the replacement of gel-filled bag, wherein liquid or gel and bag are made of an electrically conducting material.
Leakage tester includes the first high-pressure section, and first high-pressure section is coupled to by the first hard contact leads
Electric device.It can be energized under 3000 volts or smaller testing high voltage to the first high-pressure section.Second high-pressure section can be with coupling
Close conducting element.Second high-pressure section can have the power supply different from the first high-pressure section.In some embodiments, it lets out
Leakage test device may include resistor, and the resistor is configured to limit the first high-pressure section, the second high-pressure section or two
Electric current on person detects leakage to protect conducting element and keep enough electric currents.Resistor can depend on test application into
Row adjustment.Device under test can be the battery with skin.
Insulated part may be configured to allow the cable of device under test or electrode to pass through in sealed chamber.Insulation division
Divide and is made of rubber or any other suitable insulating materials.Under test conditions, the second hard contact may be configured to electricity
It is coupled to cable or electrode and earthing or grounding means.
The method for executing leak-testing can be implemented.The method may include using the first power supply to test equipment
The first high-pressure section energy supply.The method, which may include, to be energized using second source to the second high-pressure section of test equipment.
The method, which may include, measures voltage, electric current or both by test equipment.
Under conditions of current measured is high, test equipment can be determined has leakage in device under test.Institute
Under conditions of measurement electric current is low, test equipment can determine that there is no leakages in device under test.Device under test can be with
It is battery.Battery may include outer conductive layers.
Detailed description of the invention
When read in conjunction with the accompanying drawings, the utility model is best understood from the following detailed description.It is emphasized that according to used
Example, the various features of attached drawing are not drawn on scale.On the contrary, for clarity, being arbitrarily expanded or reducing the ruler of various features
It is very little.
Fig. 1 is the schema of the example of leak-testing.
Fig. 2 is the schema of the example of the representative cells for portable electronic device.
Fig. 3 is the schema of the example of leakage tester according to an embodiment of the present disclosure.
Fig. 4 is the schema of another example of leakage tester according to an embodiment of the present disclosure.
Fig. 5 is the schema of the example of leakage testing system according to an embodiment of the present disclosure.
Fig. 6 is according to an embodiment of the present disclosure for executing the schema of the instance method of leak-testing.
Fig. 7 is the schema of another example of leakage tester according to an embodiment of the present disclosure.
Specific embodiment
Fig. 1 is the schema of the example of the leak-testing 100 executed on battery 110.As shown in fig. 1, battery 110
Outer surface is enclosed in conductive film 120.Conductive film 120 can be referred to as skin.Battery 110 includes the electricity for being coupled to ground
Pole 130.Electrode 130 is coupled to detector (not shown), and the detector is configured to measure the table of the battery without defect
In the energy leakage of mobile 140 forms of undesirable electronics on face, and measure in the case where battery has leakage across electricity
The electric current in pond.In this example, probe 150 is used for by the way that battery is tested in the air ionization of the surface of battery 110
The energy leakage on 110 surface.Probe 150 can be hovered over the surface of battery 110 by user, and pass through detector
(not shown) measures undesirable electronics mobile 140.The whole surface that probe 150 scans battery 110 can be used, to detect energy
Amount leakage.In some instances, probe may include sheath 160.Sheath 160 can be by plastics or any suitable non-conductive material
Material is made and is configured to prevent probe from contacting or damaging conductive film 120.Sheath 160 can be also used for contact battery 110
Surface is to keep even height in the surface of battery 110 in scanning.Probe 150 can be high pressure needle probe.Some
In example, it can be energized under 6 kilovolts to probe 150.
Fig. 2 is the schema of the example of the representative cells unit 200 for portable electronic device.As shown in Figure 2, battery
210 are enclosed in conductive film 220.Battery 210 is shown in dotted line, because when the battery is enclosed in conductive film 220
It is invisible.Battery 210 includes cathode contact 230A and cathode contact 230B.Cathode contact 230A and cathode contact 230B can be total to
With referred to as contact 230.Battery 210 includes with the insulating layer 240 shown in stipple.Insulating layer 240 can use and contact 230
The form of the sheet material of contact.
Typical high voltage tests the electrical isolation for focusing on high-field electrode, to prevent high-field electrode electric leakage to earthing or grounding means.With reference to
Fig. 2, the distance between the expose portion of contact 230 and conductive film 220 gap are very short.Short distance gap causes air in height
Pressure is conductive, because test request cathode contact 230A or cathode contact 230B are connected to earthing or grounding means.
It is necessary to have surveying for the problem of leaking in order to avoid the conductive film 220 that electric current passes through the battery 210 without defect
The test device for not allowing electric current to leak during examination from conductive film 220.It also needs that there is a kind of test device, the test device
Allow conductive film 220 with high-voltage charging dduring test, while not allowing to discharge into earthing or grounding means and generating electric current.
Fig. 3 is the schema of the example of leakage tester 300 according to an embodiment of the present disclosure.Leakage tester 300
It is configured under the voltage for not conducting a large amount of electricity by gap, for example, the test device under the voltage lower than 3000 volts.
Leakage tester 300 includes the pedestal 310 and lid 320 connected by hinge 330.When lid 320 is closed,
The lid forms internal chamber 340, and the internal chamber is configured to accommodate device under test, for example, mobile device battery
345.Pedestal 310 and lid 320 are made of non-conducting material, and can be for example, being made of plastics.Pedestal 310 and lid 320
It respectively contains with the electro-insulating rubber part 347 shown in cross hatch, the electro-insulating rubber part is configured to when lid 320 is closed
Sealed interior 340.Lid 320 can be closed by clamp or weight.Internal chamber 340 is lined with shown in stipple
Conducting element 350, the internal chamber are configured to accommodate device under test, so that conducting element 350 and device under test
All surface contact.Conducting element 350 can be conductive foam or equivalent.In some instances, conducting element 350 can be used
Conducting liquid replacement.
Battery 345 has flat battery cable 357.Under test conditions, battery 345 is placed in internal chamber 340, so that
Flat battery cable 357 is extended outside internal chamber 340 through electro-insulating rubber part 347, and is connect with hard contact 359
Touching.
Leakage tester 300 includes the first high-pressure section 360 and the second high-pressure section 370.First high-pressure section 360
It is testing high voltage, and for passing through a pair of of 380 conductive member 350 of hard contact energy supply.Testing high voltage, which can be, to be lower than
3000 volts of any voltage.Second high-pressure section 370 has the power supply different from the first high-pressure section 360.Second high-voltage section
370 are divided to be used to energize to tungsten wire 390.Tungsten wire 390 can not be contacted with conducting element 350 and electro-insulating rubber part 347.One
In a little embodiments, tungsten wire 390 can be contacted with pedestal 310, lid 320 or both.Second high-pressure section 370 has and first
The identical voltage of high-pressure section 360.Second high-pressure section 370 is configured to prevent any electronics from passing through air from conducting element
350 are moved to earthing or grounding means 395.As shown in Figure 3, earthing or grounding means 395 is connected to hard contact 359.
In some embodiments, one or more resistors can be used for controlling or limiting the first high-pressure section 360, the
Electric current on two high-pressure sections 370 or both, to protect conducting element 350 and still there is enough electric currents to leak to detect.In
Under test condition, earthing or grounding means 395 is coupled to detector (not shown).From the first high-pressure section 360 to the height of earthing or grounding means 395
Current indication indicates there is leakage in battery 345.It reads and indicates to the low current of earthing or grounding means 395 from the first high-pressure section 360
There is no leakages in battery 345.
Fig. 4 is the schema of another example of leakage tester 400 according to an embodiment of the present disclosure.One of this example
Advantage is that high pressure can be used for air ionization, and does not need the conductive bubble that may be worn after executing repeatedly test
Foam.Leakage tester 400 includes external shell 410, the first high-field electrode 420, the second high-field electrode 430 and electro-insulating rubber portion
Divide 440.In this example, the first high-field electrode 420 includes the ionization spike 450 for obtaining leakage current measurement.Second is high
Piezoelectricity pole 430 is under identical voltage and not in measuring circuit with the first high-field electrode 420.External shell 410 can be by
Any suitable material, for example, plastics, Teflon or combinations thereof are made, and can be any color, such as white.
Leakage tester 400 is configured to accommodate battery 460.Battery 460 can have conductive surface.In test condition
Under, the cathode 470 of battery 460 extends through electro-insulating rubber part 440 by the second high-field electrode 430.Cathode 470 can connect
It is connected to earthing or grounding means 480.Earthing or grounding means 480 is connected to detector (not shown).
Second high-field electrode 430 can be approximated to be the anode of battery 460 and the shape of cathode 470.Second high-field electrode 430
It can be located in the gap between the anode and cathode and the skin of battery 460 of battery 460.Under test conditions, second
The power voltage supply identical with the first high-field electrode 420 of high-field electrode 430, and not test a part of circuit.Due to electricity
Son needs potential difference to move and if the degree of approach of battery electrode has been under test voltage, can be in electricity without electronics
It is flowed between the skin and battery electrode and earthing or grounding means in pond.Therefore, the second high-field electrode 430 is used as the first high-field electrode
Potential barrier between 420 and earthing or grounding means.Second high-field electrode 430 can leak electricity to earthing or grounding means, but will not measure this leakage.
Fig. 5 is the schema of the example of leakage testing system 500 according to an embodiment of the present disclosure.In this example, it leaks
Test macro 500 includes detector 510 and probe 520.Detector 510 can be ATEQ Ioniq instrument or any other suitable
Device.Probe 520 may include sheath to protect the surface of device under test against damages.Device under test can be battery
530。
As shown in figure 5, under test conditions, battery 530 is coupled to earthing or grounding means 540.Electrically insulating material 550 is for covering
The cathode contact and cathode contact of battery 530, further to make contact and coat the conductive layer of battery 530 to insulate.Be electrically insulated material
Material can be any suitable material more to insulate than individual air.For example, when contact is covered with non-conductive putty, Ke Yijin
Horizontal high voltage test, because the entire outer layer of battery 530 can achieve high pressure, without making electric current flow to earthing or grounding means 540.One
In a little embodiments, battery 530 can be placed on insulating foams during test condition.Insulating foams can be plastic foam or appoint
What its suitable material.
Fig. 6 is according to an embodiment of the present disclosure for executing the schema of the example of the method 600 of leak-testing.Tested person
Device is placed in test equipment.Device under test can be the battery with outer conductive layers.When being placed in inside test device,
Contact from battery extends outside test equipment and is connected to earthing or grounding means.Earthing or grounding means is electrically connected to detector to survey
It measures voltage and determines whether there is leakage.
Method 600 includes to energize 610 to the first high-pressure section using the first power supply.The voltage used at first high-pressure section
It can be 3000 volts or smaller.Method 600 is also comprising energizing 620 to the second high-pressure section using second source.Second source
Different from the first power supply and provide voltage identical with the first power supply and amount.
Method 600 includes electric current of the measurement 630 from high voltage source to earthing or grounding means.It is high condition in current measured
Under, test equipment determines that 640 have leakage.Under conditions of current measured is low, test equipment is determined 650 there is no letting out
Leakage.
Fig. 7 is the schema of another example of leakage tester 700 according to an embodiment of the present disclosure.Leakage tester
700 are configured under the voltage for not conducting a large amount of electricity by gap, for example, testing dress under the voltage lower than 3000 volts
It sets.
Leakage tester 700 includes the pedestal 710 and lid 720 connected by hinge 730.When lid 720 is closed,
The lid forms internal chamber 740, and the internal chamber is configured to accommodate device under test, for example, mobile device battery
745.Pedestal 710 and lid 720 are made of non-conducting material, and can be for example, being made of plastics.Pedestal 710 and lid 720
It respectively contains with the electro-insulating rubber part 747 shown in cross hatch, the electro-insulating rubber part is configured to when lid 720 is closed
Sealed interior 740.Lid 720 can be closed by clamp or weight.Internal chamber 740 is lined with shown in stipple
Conducting element 750, the internal chamber are configured to accommodate device under test.Conducting element 750 can be conductive foam or wait
Imitate object.In some instances, conducting element 750 can be replaced with conducting liquid.In this example, conducting element 750 include with
The conductive layer 755 of all surface contact of device under test.Conductive layer 755 may be configured to conduction to be tested and be protected
Protect and lead electric device 750.Conductive layer 755 may be configured to prevent conducting element 750 from contacting with air, and protect conducting element
750 from abrasion.In addition, conductive layer 755 may be configured to protection conducting element 750, with liquidproof from battery drain.It leads
Electric layer 755 can be by any suitable flexible conducting material, for example, aluminium foil, tinfoil paper etc. are made.
Battery 745 has flat battery cable 757.Under test conditions, battery 745 is placed in internal chamber 740, so that
Flat battery cable 757 is extended outside internal chamber 740 through electro-insulating rubber part 747, and is connect with hard contact 759
Touching.
Leakage tester 700 includes the first high-pressure section 760 and the second high-pressure section 770.First high-pressure section 760
It is testing high voltage, and for passing through a pair of of 380 conductive member 750 of hard contact energy supply.As shown in Figure 7, conductive layer 755
It is contacted with hard contact 780.Testing high voltage can be any voltage lower than 3000 volts.Second high-pressure section 770 have with
The different power supply of first high-pressure section 760.Second high-pressure section 770 is used to energize to tungsten wire 790.Tungsten wire 790 can not with lead
Electric device 750 and electro-insulating rubber part 747 contact.In some embodiments, tungsten wire 790 can be with pedestal 710, lid 720
Or both contact.Second high-pressure section 770 has voltage identical with the first high-pressure section 760.Second high-pressure section, 770 quilt
It is configured to that any electronics is prevented to be moved to earthing or grounding means 795 from conducting element 750 by air.As shown in Figure 7, earthing or grounding means
795 are connected to hard contact 759.
In some embodiments, one or more resistors can be used for controlling or limiting the first high-pressure section 760, the
Electric current on two high-pressure sections 770 or both, to protect conducting element 750 and still there is enough electric currents to leak to detect.In
Under test condition, earthing or grounding means 795 is coupled to detector (not shown).From the first high-pressure section 760 to the height of earthing or grounding means 795
Current indication indicates there is leakage in battery 745.It reads and indicates to the low current of earthing or grounding means 795 from the first high-pressure section 760
There is no leakages in battery 745.
Although having been combined some embodiments describes the utility model, however, it is understood that the utility model is not limited to institute
Disclosed embodiment, but it is expected the various modifications covered comprising within the scope of the appended claims and combination on the contrary
And equivalent arrangements, the range should give broadest interpretation so as to cover such as according to law permit it is all it is such modification and
Imitate structure.One or more elements of the disclosed embodiments can be with the one or more of disclosed any other embodiment
Element combination.
Claims (26)
1. a kind of leakage tester comprising:
Chamber, the chamber are configured to accommodate device under test, wherein the chamber includes conducting element；
First high-pressure section is coupled to the conducting element by the first hard contact；
Insulated part is configured to permit the cable of the device under test to pass through；And
Second hard contact is configured to be electrically coupled to the cable under test conditions, and is electrically coupled to earthing or grounding means.
2. leakage tester according to claim 1, wherein first high-pressure section is less than 3000 volts of survey
Try high pressure.
3. leakage tester according to claim 1 further comprises the second high-pressure section, wherein described second is high
Laminate section has a power supply different from first high-pressure section, and for by Hi-pot test circuit and the earthing or grounding means every
From.
4. leakage tester according to claim 1, wherein the insulated part is by providing bigger insulation than air
Insulating materials is constituted.
5. leakage tester according to claim 4, wherein the insulating materials is rubber.
6. leakage tester according to claim 1, wherein device under test is the battery with skin.
7. leakage tester according to claim 1, wherein the conducting element is configured to the tested trial assembly
Set receiving in the shell.
8. leakage tester according to claim 1, wherein the conducting element is conductive material.
9. leakage tester according to claim 8, wherein the conducting element is conductive foam.
10. leakage tester according to claim 1, further comprising:
Conductive layer is coupled to the conducting element, wherein the conductive layer is configured to contact the device under test.
11. leakage tester according to claim 10, wherein the conductive layer is flexible conducting material.
12. leakage tester according to claim 10, wherein the conductive layer is aluminium foil.
13. leakage tester according to claim 1, further comprising:
Resistor is configured to limit the electric current on first high-pressure section, to protect the conducting element and keep
Enough electric currents leak to detect.
14. a kind of leakage tester comprising:
Chamber is configured to accommodate device under test, wherein the chamber includes multiple electrodes spike；
First high-pressure section is coupled to multiple electrodes by the first hard contact；
Insulated part is configured to permit the cable of the device under test to pass through；And
Second hard contact is configured to be electrically coupled to the cable under test conditions, and is electrically coupled to earthing or grounding means.
15. leakage tester according to claim 14, wherein first high-pressure section is greater than 3000 volts
Testing high voltage.
16. leakage tester according to claim 14 further comprises the second high-pressure section, wherein described second
High-pressure section has the power supply different from first high-pressure section, and is used for Hi-pot test circuit and the tested trial assembly
The earthing or grounding means isolation set.
17. leakage tester according to claim 14, wherein the insulated part is by providing bigger insulation than air
Insulating materials constitute.
18. leakage tester according to claim 17, wherein the insulating materials is rubber.
19. leakage tester according to claim 17, wherein the insulating materials is configured to prevent ionization empty
Gas flows to the earthing or grounding means by the device under test.
20. leakage tester according to claim 14, wherein the device under test is the electricity with skin
Pond.
21. leakage tester according to claim 14 further comprises shell.
22. leakage tester according to claim 21, wherein the shell is made of plastics and is configured to protect
Operator is protected in order to avoid getting an electric shock.
23. leakage tester according to claim 21, wherein the shell is configured to prevent ionized air from letting out
Drain to any earthed surface.
24. leakage tester according to claim 23, any of them earthed surface include the device under test or
The environment of the leakage tester.
25. leakage tester according to claim 14, wherein the multiple electrode spike is shaped as and facilitates ion
Change spike.
26. leakage tester according to claim 14, further comprising:
Resistor is configured to limit the electric current on first high-pressure section, to protect conducting element and keep enough
Electric current leaks to detect.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862725688P | 2018-08-31 | 2018-08-31 | |
| US62/725,688 | 2018-08-31 | ||
| US201862728920P | 2018-09-10 | 2018-09-10 | |
| US62/728,920 | 2018-09-10 |
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| Publication Number | Publication Date |
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| CN209559428U true CN209559428U (en) | 2019-10-29 |
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| CN201811156984.7A Pending CN110873625A (en) | 2018-08-31 | 2018-09-30 | Battery leakage testing device and method |
| CN201821614062.1U Active CN209559428U (en) | 2018-08-31 | 2018-09-30 | Battery drain test device |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873625A (en) * | 2018-08-31 | 2020-03-10 | 亚德克公司 | Battery leakage testing device and method |
| CN111747019A (en) * | 2020-07-03 | 2020-10-09 | 江西奥普照明有限公司 | Automatic detection assembly line of LED lamp tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2757499B1 (en) * | 1996-12-24 | 2001-09-14 | Etievant Claude | HYDROGEN GENERATOR |
| JP2013054925A (en) * | 2011-09-05 | 2013-03-21 | Toyota Motor Corp | Inspection method and inspection device of fuel cell |
| KR101955396B1 (en) * | 2011-11-17 | 2019-03-08 | 삼성에스디아이 주식회사 | Leak test device for pouch of rechargeable battery |
| DE102014205918A1 (en) * | 2014-03-31 | 2015-10-01 | Robert Bosch Gmbh | Method for testing an isolation device |
| US9630520B2 (en) * | 2015-01-13 | 2017-04-25 | Ford Global Technologies, Llc | Circuit and method for battery leakage detection |
| CN107632049B (en) * | 2016-07-19 | 2021-07-13 | 松下知识产权经营株式会社 | Detection system |
| CN110873625A (en) * | 2018-08-31 | 2020-03-10 | 亚德克公司 | Battery leakage testing device and method |
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2018
- 2018-09-30 CN CN201811156984.7A patent/CN110873625A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873625A (en) * | 2018-08-31 | 2020-03-10 | 亚德克公司 | Battery leakage testing device and method |
| CN111747019A (en) * | 2020-07-03 | 2020-10-09 | 江西奥普照明有限公司 | Automatic detection assembly line of LED lamp tube |
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