CN206235440U - A kind of ultracapacitor leak detection tool equipment - Google Patents
A kind of ultracapacitor leak detection tool equipment Download PDFInfo
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- CN206235440U CN206235440U CN201621315513.2U CN201621315513U CN206235440U CN 206235440 U CN206235440 U CN 206235440U CN 201621315513 U CN201621315513 U CN 201621315513U CN 206235440 U CN206235440 U CN 206235440U
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- ultracapacitor
- leak detection
- detection tool
- tool equipment
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Abstract
The utility model discloses a kind of ultracapacitor leak detection tool equipment, is cylindric, is made up of upper and lower two part, and the end face of two parts connection sets large size O-ring seal；Upper atop part sets perforate and is used for connecting the device of air that adds helium；Vacuum flange is welded in lower part bottom sides opening, for connecting helium mass spectrometer leak detector；Frock inside upper surface is provided with rounded groove, for positioning ultracapacitor to be measured；Inside top sets O-ring seal, and the fluid injection hole site of ultracapacitor to be measured is located at the inside that O-ring seal encloses circumference, and ultracapacitor leak detection tool equipment bottom is configured with elastic caoutchouc.Capacitor is placed when the utility model is tested need not deliberately be aligned, and reliability, testing efficiency are good, and test result is accurate；Good sealing effect, structure reliability, assembling is simple, time saving and energy saving；Time needed for forvacuum is short, improves testing efficiency；And one is easily realized than relatively low vacuum, excludes influence of the helium in air to test result.
Description
Technical field
The utility model is related to a kind of leakage detection apparatus of ultracapacitor, more particularly to a kind of ultracapacitor leak detection work
Dress.
Technical background
Ultracapacitor（Also known as farad capacitor, gold electric capacity）It is a kind of new between traditional capacitance and secondary cell
Emerging energy storage electrical equipment.It is the high-specific-power of super capacitor, high current charge-discharge ability, the long-life, ultralow temperature performance, highly reliable
The features such as property, environmental protection so that its fields such as industrial electronic, communications and transportation, the renewable sources of energy, military affairs as power power-supply or
Accumulation power supply is widely used.Influenceing the reliability of ultracapacitor mainly has the following aspects：Internal resistance, mechanical structure
Stability, air-tightness etc..
Wherein air-tightness is a very crucial technical indicator, is concerned security and the life-span of ultracapacitor, and
Lithium ion battery is compared, and super electric sealing requirements are higher.As the application field of ultracapacitor is more and more extensive, to super electricity
The security of container proposes requirement higher, so, before ultracapacitor encapsulation, leak detection is carried out to it and seems outstanding
For important.
The common leak detection tool equipment of industry is usually relatively complex, and high cost is cumbersome, is unfavorable for process during batch production
Full inspection；The leakage detection apparatus of the type, because the volume ratio for designing is larger, the time of forvacuum is very long, and testing efficiency is low,
And easily there is leakage, influence the accuracy of test.
The position of the liquid injection hole of ultracapacitor oral area is not fixed, and conventional test fixture is all in alignment with this hole and enters
Row pumping is pressurizeed, and this fit system difficulty is big, the bad control of aligning accuracy.
Utility model content
For supercapacitor structures feature and special technical requirements, it is used for the utility model proposes a kind of leakage detection apparatus
Slip before detection ultracapacitor fluid injection.
The utility model ultracapacitor leak detection tool equipment is cylindrical shape, is made up of upper and lower two part, upper and lower two parts connection
End face set large size O-ring, by cylinder promote frock bottom, implement sealing；Upper part top drilling is used for connecting adding helium
Device of air；Vacuum flange is welded in lower part bottom sides opening, for connecting helium mass spectrometer leak detector；Ultracapacitor leak detection tool equipment
Inside upper surface is provided with rounded groove, for positioning ultracapacitor to be measured；Ultracapacitor leak detection tool equipment inside top sets O
Type sealing ring, ultracapacitor leak detection tool equipment bottom is configured with elastic caoutchouc, Auxiliary support ultracapacitor to be measured.
This leak detection tool equipment is more compact, and clamping is simple, reliable, can be reached during forvacuum than relatively low vacuum, surveys
Examination is more accurate, and can control to add the pressure of helium, adapts to the test under different brackets pressure, and test result is more accurate
True and science.
Described leak detection tool equipment internal diameter 2mm-5mm bigger than the external diameter of ultracapacitor to be measured, preferential 2mm, it is easy to setup, and
Reduce the volume in forvacuum space, can so shorten the time of forvacuum, be rapidly achieved the vacuum of ＜ 2pa, improve
Testing efficiency can guarantee that the accuracy of test result again.
Described elastic caoutchouc, can be fluorubber, ethylene propylene diene rubber, polytetrafluoroethylene (PTFE) etc., preferably fluorubber, can
By durable；Also elastic caoutchouc can be replaced with a kind of spring of proper strength, it is also possible to realize same purpose.
Described leakage detection apparatus lower bottom cover can push up sealing with cylinder, and this mode is adapted to batch production；Can also
Manual closing spanner is designed to, this mode is adapted to research and development experiment, with low cost, but structure reliability.
The pressure of described addition helium is 0.5bar-8bar, is controlled by accurate helium pressure regulator valve, preferably 0.5bar
Helium, pressure is smaller, can accomplish non-destructive testing, and the amount of helium being filled with meets the test request of helium mass spectrum leak detection enough,
Ensure measuring accuracy；When under some special test conditions, being filled with the helium of bigger pressure, analog equipment it is actually used
Environment, this properer reality of test mode result has certain reference significance to properties of product assessment.
This leakage detection apparatus possesses advantages below：
1st, design of Sealing Structure is ingenious, it is only necessary to which an action is capable of achieving two necessary sealings, good sealing effect, knot
Structure reliability, assembling is simple, time saving and energy saving.
When the 2nd, hunting leak, the spatial volume residing for testing capacitor is small, and the time needed for forvacuum is very short, greatly improves
Testing efficiency；And one is easily realized than relatively low vacuum, influence of the helium in air to test result is excluded, and is carried
The accuracy of test high.
3rd, testing capacitor and the aligning structure design of frock connection are ingenious, and placing capacitor during test need not be deliberately right
Position, it is ensured that the reliability of frock sealing, improves testing efficiency, improves the accuracy of test result.
Brief description of the drawings
The utility model is further illustrated with example below in conjunction with the accompanying drawings.
Fig. 1 is the utility model ultracapacitor leak detection tool equipment connection diagram.
Fig. 2 is the sectional view of the utility model ultracapacitor leak detection tool equipment.
Fig. 3 is the utility model ultracapacitor leak detection tool equipment and ultracapacitor connection diagram to be measured.
Fig. 4 is the utility model ultracapacitor leak detection tool equipment liquid injection hole and upper sealing gasket schematic diagram.
Fig. 5 is the sealing structure top view of the testing capacitor oral area of the utility model ultracapacitor leak detection tool equipment.
Fig. 6 is the sealing structure top view of the testing capacitor oral area of existing knowledge frock.
Specific embodiment
As depicted in figs. 1 and 2, the utility model ultracapacitor leak detection tool equipment connects helium mass spectrum by vacuum flange 101
Leak detection tester 1, the device of air 3 that adds helium is connected by perforate 102.Vacuum flange 101 can be model KF-25.
Fig. 2 show the sectional view of the utility model ultracapacitor leak detection tool equipment, and ultracapacitor leak detection tool equipment is circle
Tubular, is made up of upper and lower two part, and the end face of upper and lower two parts connection sets large size O-ring 105, and frock bottom is promoted by cylinder
Lid, implements sealing；Helium injects ultracapacitor to be measured by perforate 102, and ultracapacitor leak detection tool equipment inside top sets O
Type sealing ring 103, inside upper surface is provided with rounded groove 104 for positioning ultracapacitor to be measured；Ultracapacitor leak detection work
Dress bottom is configured with elastic caoutchouc 106, Auxiliary support ultracapacitor to be measured.
The advantage of the utility model ultracapacitor leak detection tool equipment is further illustrated with reference to Fig. 3, Fig. 4.
Such as Fig. 4, only one of which liquid injection hole 301 is its inside of UNICOM before ultracapacitor to be measured is unencapsulated, so helium
During mass spectrometric measurement need from this hole add helium, due to be provided with O-ring seal 103, so as to prevent helium be leaked to it is to be measured
Examination region 303.During clamping ultracapacitor to be measured, ultracapacitor to be measured is assembled inside frock from the bottom up, using super
Level capacitor terminal 302 is stuck among frock top circular fluting 104,104 internal diameters 0.2mm bigger than 302 external diameters, and is provided with down
Angle, it is convenient for assembly, and positioning can be implemented, it is ensured that the concentricity of capacitor and fixture；Work is promoted using cylinder or Manual pressure bar
Dress bottom 107, closes frock, and sealing function is played in the now deformation that can be squeezed of sealing ring 105, it is ensured that the air-tightness of frock,
As shown in Fig. 3 sealing positions 203；The elastic caoutchouc 106 of frock bottom can give capacitor one upward holding power simultaneously, so that
The O-ring seal 103 that compression tooling inside top is set, as shown in Fig. 3 top seals position 202.Sealing ring 103 separates and adds helium
Gas passage 205（The space that i.e. perforate 102 is connected with the liquid injection hole 301 of ultracapacitor to be measured）With frock and super electricity to be measured
Space 201 between container, it is ensured that the helium that leak detection tool equipment is added when working will not enter frock and ultracapacitor to be measured
Between space 201, do not influence test result.The Fixture Design is ingenious, it is only necessary to which i.e. achievable two an of action is necessary
Sealing, assembles very simple and reliable, time saving and energy saving.
Further, when leakage detection apparatus work, helium mass spectrometer leak detector is by vacuum flange 101 to frock and super electricity to be measured
Space 201 between container is vacuumized, as shown in figure 3, the internal diameter 2-5mm bigger than testing capacitor external diameter inside frock,
So the volume of space 201 is very small, the time needed for forvacuum is very short, substantially increases testing efficiency.
The characteristics of this frock also solves traditional test frock contraposition hardly possible.Contrast is as shown in Figure 5 and Figure 6.O-ring 103 is
The sealing means that the utility model is used, the position of the liquid injection hole 301 of ultracapacitor to be measured is located at ultracapacitor leak detection work
Dress inside top O-ring seal 103 encloses the inside of circumference.403 is the sealing ring that traditional frock is used.Due to liquid injection hole 301
Position be random, the sealing structure requirement contraposition of the sealing ring 403 that traditional frock is used is very accurate, once produce contraposition
Deviation, will influence whole sealing effectiveness and test result.The sealing structure that the utility model innovation is proposed, in the outer of liquid injection hole
Zhou Jinhang is sealed, and this structure design need not be aligned, and arbitrarily places capacitor, and ensure that the reliability that frock is sealed,
Testing efficiency is improve, the accuracy of test result is improve.
The utility model ultracapacitor leak detection tool equipment is used for detecting the slip before ultracapacitor fluid injection possess test
High precision, efficiency high, low cost, assemble it is simple the characteristics of.The sealing propertytest requirement of ultracapacitor can be met, be conducive to
Improve production efficiency and qualification rate, so as to reduce the production cost of ultracapacitor, possess positive production practices meaning.
Claims (4)
1. a kind of ultracapacitor leak detection tool equipment；It is characterized in that ultracapacitor leak detection tool equipment is cylindric, by upper and lower two
Divide and constitute, the end face of upper and lower two parts connection sets large size O-ring seal, frock bottom, implementation sealing are promoted by cylinder；On
Atop part sets perforate and is used for connecting the device of air that adds helium；Vacuum flange is welded in lower part bottom sides opening, for connecting helium
Mass-spectrometer leak detector；Ultracapacitor leak detection tool equipment inside upper surface is provided with rounded groove, for positioning ultracapacitor to be measured；It is super
Level capacitor leak detection tool equipment inside top sets O-ring seal, and the fluid injection hole site of ultracapacitor to be measured is located at super capacitor
Device leak detection tool equipment inside top O-ring seal encloses the inside of circumference, and ultracapacitor leak detection tool equipment bottom configures flexible rubber
Glue, Auxiliary support ultracapacitor to be measured.
2. ultracapacitor leak detection tool equipment as claimed in claim 1, it is characterised in that ultracapacitor leak detection tool equipment internal diameter ratio
The big 2-5mm of external diameter of ultracapacitor to be measured.
3. ultracapacitor leak detection tool equipment as described in claim 1 or 2, it is characterised in that elastic caoutchouc is fluorubber, three
The spring of first EP rubbers, polytetrafluoroethylene (PTFE) or bullet proper strength.
4. the ultracapacitor leak detection tool equipment described in claims 1 or 2, it is characterised in that supercapacitor terminal to be measured is stuck in
Among rounded groove, rounded groove internal diameter 0.2mm bigger than terminal external diameter, and it is provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621315513.2U CN206235440U (en) | 2016-12-02 | 2016-12-02 | A kind of ultracapacitor leak detection tool equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621315513.2U CN206235440U (en) | 2016-12-02 | 2016-12-02 | A kind of ultracapacitor leak detection tool equipment |
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| Publication Number | Publication Date |
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| CN206235440U true CN206235440U (en) | 2017-06-09 |
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| CN201621315513.2U Active CN206235440U (en) | 2016-12-02 | 2016-12-02 | A kind of ultracapacitor leak detection tool equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500923A (en) * | 2016-12-02 | 2017-03-15 | 柯贝尔电能质量技术（上海）有限公司 | A kind of ultracapacitor leak detection tool equipment |
-
2016
- 2016-12-02 CN CN201621315513.2U patent/CN206235440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500923A (en) * | 2016-12-02 | 2017-03-15 | 柯贝尔电能质量技术（上海）有限公司 | A kind of ultracapacitor leak detection tool equipment |
| CN106500923B (en) * | 2016-12-02 | 2019-10-01 | 柯贝尔电能质量技术（上海）有限公司 | A kind of supercapacitor leak detection tool equipment |
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