CN1179209A - Seal integrity evaluation method - Google Patents
Seal integrity evaluation method Download PDFInfo
- Publication number
- CN1179209A CN1179209A CN 96192688 CN96192688A CN1179209A CN 1179209 A CN1179209 A CN 1179209A CN 96192688 CN96192688 CN 96192688 CN 96192688 A CN96192688 A CN 96192688A CN 1179209 A CN1179209 A CN 1179209A
- Authority
- CN
- China
- Prior art keywords
- electrode
- airtight container
- packoff
- electrolytic solution
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The present invention relates to a method for testing for leaks in sealed containers. The method comprises: (1) inserting a first electrode into a sealed container containing an electrolyte product composition, wherein the first electrode is inserted into the sealed container in a manner such that it is at least partially mmersed in the electrolyte product composition; (2) immersing the sealed container into an electrolyte bath solution contained in a vessel, wherein the electrolyte bath solution is in direct contact with a second electrode, and wherein the sealed container is immersed into the electrolyte bath solution in a manner such that the seal of the sealed container is completely immersed in the electrolyte bath solution, the interior seal surface of the sealed container is completely submerged in the electrolyte product composition contained in the sealed container, and the first electrode is not in direct contact with the electrolyte bath solution; (3) connecting the first electrode and the second electrode to either a source of direct electric current or a conductivity measuring device; and (4) measuring the electric current flow or conductivity from one electrode to the other; wherein the sealed container is not leaking if there is no electric current flowing or conductivity between the two electrodes, and the sealed container is leaking if there is electric current flowing or conductivity between the two electrodes. The present invention further relates to an apparatus capable of detecting seal leaks in this manner.
Description
Invention field
The present invention relates to a kind of method of identifying the seal integrity of airtight container.Sealing integrity is at least partly to immerse in the electrolytic solution when airtight container, passes by measurement that the conductivity of airtight container identifies.The invention further relates to a kind of device that is used for identifying the seal integrity of container.
Background of invention
Airtight container with openable packoff has a lot of purposes.For example, airtight container is used for beverage, food and/or industrial products.The packoff of these airtight containers makes the user of airtight container product can easily obtain the thing of product the inside.Special benefit is that packoff can seal after opening again.These reclosable packoffs are most typical to be the form that adopts lid, and it provides a lot of convenience and benefit.Their major function is to guarantee that container can seal after opening for the first time again.When product was foodstuff in the airtight container, this function was particularly useful.Resealable means makes the part that the consumer can want to eat in eating up packaged food after, remainder preserved treating consume next time.
A problem of this airtight container is that they may leak.This especially may for plastic containers.Leakage comprises from obviously leaking into minute leakage.For plastic containers, leaking mainly is owing to processing conditions, and filling temp, gap, top, pull-up scope and reversing are ground in for example heat radiation at last.Certainly, when airtight container leaked, it can cause that the product in the container is contaminated.When being foodstuff for product, this particularly pays close attention to.
Therefore, the method for leaking in a kind of like this container of hope a kind of detection of preparation.And what more wish is that this a kind of method is easy, easy to implement and its cost is cheap.The invention provides the device of this a kind of method and this method of enforcement.
Background technology
In chemo and textbook, tell about electrolyte battery.For example, at W.Martersonand E.Slowinski, introduced above-mentioned battery in Chemical Priolopals one book of W.B.Saunders Companys Philadelphia (1977).
Prior art has also proposed to identify the method for sealing integrity.Be entitled as in " Emphasis onNetworking for Added Securhy " literary composition, (Awon, Packag, News, Jan.1994, pp.24～25) disclose the not damaged sealing detection equipment that is used for detecting packoff in vacuum packaging.This equipment exerts pressure for a vacuum packaging of finishing, and measures the moment of packing internal pressure and change with an electronic system then to change to detect the defective of sealing.
Be entitled as in " The Status of Leak Detection " literary composition, (R.Kelcey, Fooddrug Packaging, Vol.54.no.11.Nov.1990, pp.8,10～11,18,21) have disclosed many kinds of leakage detection methods.In the packoff leak detection method, comprise the pressure attenuation detection method, pack deformation detecting method.This article has also disclosed a kind of detection method that test product is immersed the pond.When test product through a bubble sensing unit, the bubble of overflowing from leak directly enters to be arranged big and even the unusual special pipeline of minute bubbles.When bubble is ended the light of a branch of optical fiber, write down number of bubbles, and monitor with a photosensor.15 pages of identical texts, disclose and a kind ofly " be used to detect the method for ampere bottle, utilize the high-tension current on these small container surfaces to carry out ' flushing '.Also can find even minimum pinprick hair crack capillary pore or not enough glass wall thickness with this high-frequency spark discharge detection method ".
In any case, do not provide a kind of packoff of testing the airtight container of adorning the electrolysis compound in the prior art, determine what whether packoff leaked.Prior art also fails to teach a kind of simple, easily implements, and not expensive method is to detect these seal leakages.Prior art is more failed to provide a kind of detection the equipment that the packoff of the airtight container of electrolyte compound leaks is housed.
Therefore an object of the present invention is to provide a kind of so simply, easily implement, not expensive method is with the method for the seal leakage that detects airtight container, and the sealing container has openable packoff and contains electrolyte product complex.A further object of the present invention provides a kind of equipment that detects this seal leakage.
These purposes are finished by described invention here.
Summary of the invention
The present invention relates to a kind of method that airtight container leaks that detects, it is equipped with electrolytic production complex and openable packoff, and described method comprises:
(a) insert an electrode in airtight container, wherein airtight container has an openable packoff and a hole, can insert first electrode by this hole, airtight container and packoff are non-conductive, airtight container is equipped with the electrolysis compound, first electrode inserts airtight container in such a way, make first electrode at least portion immerse the electrolysis compound, packoff is in its initial sealing state;
(b) airtight container is immersed in the electrolytic solution of containing in a container, wherein, electrolytic solution directly contacts with second electrode, and airtight container immerses in the electrolytic solution in such a way, makes the packoff of airtight container immerse in the electrolytic solution fully.The inner sealing surface of airtight container is immersed in the electrolysis compound products in the airtight container fully, and first electrode does not directly contact with electrolytic solution;
(c) will link to each other with a DC current source between first electrode and second electrode, one of them electrode links to each other with DC current source in such a way, make electronics flow to electrode from DC current source, another electrode links to each other with DC current source in such a way, makes electronics flow to DC current source from electrode; With
(d) measure the conductivity of an electrode to another;
If wherein do not have electric current from an electrode stream to another electrode, then airtight container and packoff do not leak, and if have electric current from an electrode stream to another electrode, then packoff and airtight container have leakage.
The invention still further relates to a kind of method that airtight container leaks that detects, airtight container is equipped with the electrolytic production complex and openable packoff is arranged, and said method comprises:
(a) insert first electrode in airtight container, wherein airtight container has an openable packoff and the hole that can insert first electrode, packoff and airtight container are non-conductive, airtight container is equipped with a kind of electrolytic production complex, first electrode inserts airtight container in such a way, make electrode to the small part of winning immerse electrolyte product complex, packoff is in its initial sealing state;
(b) airtight container is immersed in the electrolytic solution of containing in a container, wherein electrolytic solution directly contacts with second electrode, wherein airtight container immerses in the electrolytic solution in such a way, make the packoff of airtight container immerse in the electrolytic solution fully, the inner surface of the packoff of airtight container is immersed in the electrolyte compound product that is loaded in the airtight container fully, and first electrode does not directly contact with electrolytic solution.
(c) first electrode and second electrode are linked to each other with a conductivity measurement equipment, one of them electrode links to each other with the conductance measurement system in such a way, makes when packoff or airtight container leakage electronics to pass packoff or airtight container arrives another electrode from an electrode; With
(d) conductivity of measurement from an electrode to another electrode, if wherein measure less than have electronics from an electrode stream to another electrode, then packoff and airtight container do not leak, and if have electronics from an electrode stream to another electrode, then packoff and airtight container have leakage.
The present invention relates to a kind of equipment that can detect the seal leakage that the airtight container that can open packoff and the electrolytic production complex is housed is arranged again, and said equipment comprises a kind of device of implementing method described above.
The accompanying drawing summary
Fig. 1 is the synoptic diagram of the industrial implementation example of method and apparatus of the present invention.
Fig. 2 is used to place and keeps first electrode partly to immerse the decomposition diagram of the element of electrolytic production, and electrolytic production is loaded in the airtight container.
Accompanying drawing describes in detail
In Fig. 1, the view of being made up of several sheets of container 14 makes the beholder to examine its inside from a side-looking.Insert airtight container 2 with reference to figure 1, the first electrode 1.Among Fig. 1, airtight container 2 is a beverage doleiform formula, and first electrode 1 is a bronze medal probe form.Airtight container 2 is equipped with an electrolytic production complex, is the electrolyte beverage form in Fig. 1.First electrode 1 inserts airtight container 2 by the hole in the airtight container 2 19 (preferably seeing Fig. 2).First electrode 1 inserts in the airtight container 2 in such a way, makes electrode 1 part of winning immerse the electrolytic production complex that is loaded in the airtight container 2.First electrode 1 is fixed on and makes on the position that its part is dipped into by being connected first electrode fixing device 7 on the airtight container 2.First electrode fixing device 7 has a hole 18 (preferably seeing Fig. 2) of passing its center.The 1st electrode 1 links to each other with first lead of energy conduction current, and it links to each other with a direct current current source 5 successively.In Fig. 1, DC current source 5 is forms of a battery.First lead 4 links to each other with the positive pole 6 of DC current source 5.The device that one of airtight container 2 usefulness are used for locating airtight container 2 holds it in a fixing locus in such a way: airtight container partly immerses in the electrolytic solution 9, the packoff 8 of airtight container 2 is dipped in the electrolytic solution 9 and first electrode 1 is not dipped into or directly contacts electrolytic solution 9.The device that makes airtight container 2 remain in a fixing locus shown in Fig. 1 is an airtight container erecting device 10, it releasably an end link to each other with airtight container 2, the other end links to each other with arm 11.Arm 11 is fixed in a surface (invisible).Electrolytic solution 9 is contained in container 14.Container 14 is shown as the view that a section is formed.Second lead, 12 1 ends of energy conduction current link to each other with the negative pole 17 of DC current source 5, and the other end links to each other with second electrode 13 that immerses electrolytic solution 9.In Fig. 1, second electrode 13 is zinc-plated sheet metal forms.Second electrode 13 is put on the stilt 15 on one side, and another side is put on the stilt 16.Each stilt 15 all links to each other with container 14 with 16.
With reference to Fig. 2, first electrode fixing device 7 is endless tube forms, and first electrode fixing device 7 is to link to each other with airtight container 2 in such a way, makes hole 19 in the through hole 18 pass first electrode fixing device 7 and the airtight container 2 on same axis.First electrode 1 is by at the through hole 18 at first electrode fixing device, 7 centers with pass hole 19 and insert in the airtight containers 2.The cylinder shape inner wall 20 that passes the through hole 18 of first electrode fixing device 7 is flexible, but has enough hardness to make first electrode 1 remain on selected position by friction.First electrode fixing device 7 and airtight container 2 form the packoff of an anti-leak, and first electrode 1 and the cylinder shape inner wall that passes the through hole 18 of first electrode fixing device 7 form the packoff of an anti-leak.
Detailed Description Of The Invention
The present invention includes test has the packoff 8 of airtight container 2 to leak, and airtight container 2 has openable packoff 8 and the electrolytic production complex is housed.Detection method of the present invention comprises measures a conductivity that comprises the system of airtight container 2.Method of the present invention is a kind of disruptive method, and wherein other airtight container 2 is destroyed, thereby can not further be applied to commerce.This method can decide the degree of seal leakage according to the specific a collection of airtight container of preparing 2 for the sample survey of the airtight container 2 of preparing to carry out commercial distribution of great use.This information can be used to find potential product problem.This method is estimated on the reliability of different application and the airtight container that uses and provided by different vessels supplier useful equally on the whole.
In the method for the present invention, first electrode 1 inserts and is equipped with in the airtight container 2 of electrolytic production compound 3.Airtight container has openable packoff 8.Packoff 8 is non-conductive with airtight container 2.Non-conductive property performance can reach by packoff 8 and airtight container 2 are made by one or more electrically non-conductive materials, and airtight container 2 is reached with packoff 8 electrical isolations.
The example that can be used for packoff of the present invention comprises, but be not limited to, vinyl cover, plastic cap, paper tinsel suction-type packoff, push away the cock-type packoff, the crown lid of bottle, movable cover formula packoff, paper tinsel conduction-type packoff, stacked flexible packoff is as the packoff of resealable.Preferably packoff be resealable and also can close in such a way, making provides a leakage sealed device when it is closed, be used for preventing being loaded on the leakage of the electrolytic production complex of airtight container 2.The example of the packoff of these resealables comprises, but be not limited to, the metal of the formula of screwing on and the lid of plastics and cap, press fastening type are opened and plug-type stopping device, can pent pump nozzle in latched position, wherein be preferably the metal of the formula of screwing on and the lid button cap of plastics.
Anyly reach airtight container non-conductive or insulating requirements described above and may be used among the present invention.The example of useful airtight container 2 includes, but not limited to glass and plastic bottle, flexible packing, and can is preferably glass and plastic bottle among the present invention.
But first electrode 1 can be made by the material of any conduction current.Useful examples of material includes, but not limited to copper, silver, and gold, aluminium, iron and steel preferably adopt copper, aluminium and steel, copper is better.First electrode 1 is being inserted in the airtight container 2, and make in airtight container 2 in a hole 19, and first electrode 1 passes hole 19 and inserts.Hole 19 can be made Anywhere at airtight container 2, as long as hole 19 does not make packoff 8 different with its initial sealing state.Hole 19 can be located in such a way, and wherein when airtight container 2 parts immersed in the electrolytic solution 9, it not even partly immersed in the electrolytic solution 9.Otherwise, if first electrode fixing device links to each other with hole 19 in such a way, make between the hole 19 and first electrode fixing device 19 and formation leak-tight seal device between the hole 19 and first electrode 1, the electrode 1 of winning is not directly contacted with electrolytic solution 9, and then hole 19 can be immersed in the electrolytic solution 9 fully.
Best, pass hole 19 arranged in co-axial alignment in through hole 18 and the airtight container of first electrode fixing device 7 of recommendation.The wall of first electrode fixing device of recommending 7 should enough soft deformable makes first electrode be passed in through hole 18 in first electrode fixing device 7, at this moment still remain between wall and first electrode 1 and have at least contact at 2, enough hard again in addition to keep first electrode, 1 relative airtight container 2 to be in a fixing locus.First electrode fixing device 7 preferably links to each other with airtight container 2 in such a way, makes to form a leak-tight seal device between first electrode fixing device 7 and airtight container.Even be more preferably when first electrode 1 passes through hole 18 in first electrode fixing device 7 and inserts, also form a leak-tight seal device between first electrode fixing device 7 and first electrode.The example of the first useful electrode fixing device 7 includes, but not limited to clip or function cooperation lining ring among the present invention.The example of the first best electrode fixing device 7 that here relates to includes, but not limited to pliability rubber endless tube, and rubber washer is wherein best with the rubber endless tube.
First electrode 1 can be any shape that can insert tested airtight container 2 in the mode of describing here.Best first electrode is a long and thin cylindrical shape.One of a kind of like this shape need is opened to open in the minimum vias 18 of first electrode fixing device 7 and one and is passed their in minimum aperture 19, the first electrodes 1 of airtight container 2 and insert.When the through hole 18 in first electrode fixing device 7 was cylindrical bore, this cylindrical shape was convenient to better fit, more was suitable for leakproof seal.
In the method for the present invention, the leakage of packoff 8 or airtight container 2 is to detect by the electron stream between first electrode 1 and second electrode 2.Interelectrode electron stream can be produced by a direct current current source 5, it links to each other with electrode, or by making first and second electrode with two kinds of not similar metals, owing to the electrochemical emf between two kinds of not similar metals, electronics will be from an electrode stream to another electrode so.A kind of system in back is called as galvanic cell.
First electrode 1 links to each other with a direct current current source 5 in such a way, makes electronics to flow to first electrode 1 or to flow to DC current source 5 from first electrode 1 from DC current source 5.When electronics when DC current source flows to first electrode 1, first electrode 1 shows as a negative electrode.When electronics when first electrode 1 flows to DC current source 5, first electrode shows as an anode.First electrode 1 can be that the mode known to the those skilled in the art that links to each other with DC current source with any.Best first electrode 1 by one can conduction current first lead 4 link to each other with DC current source 5.First electrode 1 also can directly link to each other with DC current source 5 in such a way, makes electronics flow to first electrode 1 or flow to DC current source 5 from first electrode 1 from DC current source 5, and first lead 4 of no use is admitted electron stream.
Can believe that any DC current source of knowing for those skilled in the art that all can be used among the present invention.The hard-core example of a kind of DC current source is one battery anodal and negative pole to be arranged.Preferably DC current source includes, but not limited to various batteries.DC current source is low-voltage preferably, the low-amperage source.Desirable is should reduce expenses security consideration is arranged again.Preferably DC current source a voltage range from about 1 volt to about 5V, an electric current is arranged scope is from about 100 milliamperes to about 200 milliamperes, serve as better with 100 milliamperes.
The method with the described use DC current source 5 of Fig. 1 is similar basically for the method that the detection of use galvanic cell is leaked.Use its difference of comparing with the method for using DC current source of the leakage detection method of galvanic cell to be: in the method for use galvanic cell, first electrode 1 and the 2nd electrode 13 must be to make with different metal, and replace DC current source 5 with a kind of conductance measurement equipment.Conductance measurement equipment is identical with the mode that first electrode 1 and second electrode 13 link to each other with DC current source 5 with the mode that first electrode 1 and second electrode 13 link to each other in the galvanic cell measuring method.Conductance measurement equipment is not only measured electricity and is led, and makes complete galvanic cell circuit of formation, makes electronics to flow to another electrode from an electrode.
Because detection method is to survey packoff 8 with conductivity to leak, so the product complex that is loaded in the airtight container 2 must be an electrolyte.Can believe that any electrolytic production complex all can be used among the present invention.The example that can be loaded on the electrolytic production complex in the airtight container 2 includes, but not limited to industrial products and the compound such as the F﹠B that are suitable for the human consumption, and is best with beverage.The example of useful in the present invention electrolyte F﹠B complex includes, but not limited to the isotonicity beverage, fruit juice, and carbonated water beverage and tea, wherein the isotonicity beverage is best.The isotonicity beverage carbohydrate containing source percentage by weight that is more suitable for is 0% to about 20%, be preferably about 4% to 10%, more preferably 5% to 8%, the saliferous percentage by weight is about 0.01% to about 5%, be preferably about 0.01% to about 2%, more preferably about 0.2% to 1%, contain the water of a balance in addition.Carbohydrate source can be any carbohydrates of knowing for those skilled in the art that is suitable for the human consumption, with sucrose, and glucose, fructose, maltodextrin and composition thereof are the most suitable.Salt can be the salt that is suitable for the human consumption known to any those skilled in the art that of being, with sodium chloride, and potassium chloride, sodium citrate and composition thereof is the most suitable, and wherein sodium chloride is more suitable for.
The airtight container 2 that has first electrode 1 to insert partly immerses in the electrolytic solution 9 at least in such a way, promptly make the packoff 8 of airtight container immerse fully in the electrolytic solution 9, the surface, inside of the packoff 8 of airtight container 2 is immersed in the electrolytic production compound 3 that is loaded on airtight container 2 fully, and first electrode 1 that inserts does not directly contact with electrolytic solution 9.Electrolytic solution 9 is loaded in the container 14.
Airtight container 2 can some or all of immersion electrolytic solution in.In both cases, packoff 8 all must immerse in the electrolytic solution 9, leaks in order to detect any packoff 8.Preferably airtight container 2 immerses in the electrolytic solution 9 fully, and method of the present invention can be surveyed in any one leakage of airtight container 2.In any case, when airtight container 2 immerses in the electrolytic solution 9, must guarantee carefully that first electrode 1 does not directly contact with electrolytic solution 9, form the leak-tight seal device between packoff stationary installation 7 and the airtight container 2 and between the packoff stationary installation 7 and first electrode 1.Usually by with electrolytic solution 9 electrical isolations first electrode 1 directly not being electrically contacted with electrolytic solution 9 first electrode 1.This can realize with any method of knowing for those skilled in the art that.An example of implementation method is that first electrode 1 is immersed in the electrolytic production compound 3 fully, then first electrode 1 is linked to each other with conductivity measurement equipment or DC current source 5 by insulated wire 4, wherein insulated wire 4 passes the through hole 18 of first electrode fixing device 7, and first electrode fixing device 7 forms a leak-tight seal device between it and insulated wire 4 and it and airtight container 2.Another example is the through hole that first electrode 1 is partly passed in such a way first electrode fixing device 7, makes the electrode 1 of winning extend stationary installation 7 and enters electrolytic solution 9.In a kind of like this structure, first electrode 1 might with point that electrolytic solution 9 contacts on all wrap one deck electrically insulating material.
Airtight container 2 usefulness airtight container stationary installations 10 remain in position.Airtight container stationary installation 10 1 ends link to each other with airtight container 2, and the other end links to each other with arm 11.Arm 11 is fixed on the surface.Airtight container stationary installation 10 act as airtight container 2 is remained on the fixing locus of relative container 14.The example of useful airtight container stationary installation 10 includes, but not limited to a clip or frictional fit lining ring among the present invention, and wherein clip is best.Best, when airtight container 2 immersed in the electrolytic solution 9, airtight container stationary installation 10 also can temporarily make airtight container 2 distortion.This for when airtight container under the marketing sharing situation, for example transportation or shift airtight container 2, in the time of may causing distortion in one way, the leakage that detection may appear at airtight container 2 or packoff 8 of great use.
Because this detection method is utilized conductivity to survey packoff 8 and is leaked, so the solution in the container 14 must be electrolytic solution.Nearly allly comprise at least a electrolyte solution and can both be used for the present invention.The electrolyte example that can be used for preparing the electrolytic solution 9 among the present invention includes, but not limited to citric acid, sodium chloride, and potassium chloride, aluminum chloride and composition thereof, citric acid wherein, sodium chloride, potassium chloride and potpourri are best.Be more preferably alcoholic solution, comprise water and above electrolyte.Be more preferably an electrolytic solution 9, comprise the citric acid quality, better from about 0.01% to about 4% from about 0.01% to 5%, better from about 0.1% to 3%, the sodium chloride quality from about 0.1% to about 2%, better from about 0.2% to 1%, better from about 0.3% to 0.5% and the water of a balanced proportions.
When detecting the leakage method with galvanic cell, second electrode, 13 usefulness same way as link to each other with conductivity measurement equipment, promptly when the detection leakage method of use DC current source 5 is implemented, and the connected mode of it and DC current source 5.
Second electrode can be Any shape and can conductive material be made by any that useful example of material includes, but not limited to galvanized metal such as galvanized steel and copper, and is best with galvanized steel.One better second electrode 13 is galvanized metal plates.As what discussed here, when detecting leakage method use galvanic cell, first electrode 1 and second electrode 13 must be to be made by not similar metal.
Need only all element installation in position of describing here, equipment just forms an electronic loop, if packoff has leakage, then electric charge will be from an electrode stream to another electrode.The direction of flow of charge depends on which electrode is that negative electrode and which electrode are anodes.Electric current flows and can measure with the mode that any measurement electric current of knowing for those skilled in the art that flows.Measure the mobile useful mode example of electric current and include, but not limited to an ohm measuring instrument, conductance instrument, volt measuring instrument and amperometric measurement instrument, wherein ohm measuring instrument and conductance instrument are more suitable for.Do not flow if measure electric current, then packoff 8 does not leak.Flow if measure electric current, then have packoff 8 that leakage is arranged.The big or small thing of leak is by the decision of current amplitude size, and the big more then leakage of electric current is big more.
The invention still further relates to one and comprise that is implemented in the equipment of described method here.
Claims (21)
1. the method that the packoff of the airtight container 2 of electrolytic production compound leaks is equipped with in a detection, and the sealing container has openable packoff, and said method comprises:
(1) first electrode is inserted an airtight container, wherein airtight container has an openable packoff and a hole, first electrode can pass it and insert, wherein airtight container and packoff are non-conductive, packoff is equipped with the electrolytic production compound, and first electrode inserts in such a way, makes the electrode of winning immerse the electrolytic production compound to small part, and packoff is in the initial sealing state;
(2) airtight container is immersed in the electrolytic solution in the container, wherein electrolytic solution directly contacts with the 2nd electrode, and airtight container immerses in such a way and makes the packoff of airtight container immerse in the electrolytic solution fully in the electrolytic solution, the inner surface of the packoff of airtight container is dipped in the electrolytic production compound that is loaded in the airtight container fully, and first electrode does not directly contact with electrolytic solution;
(3) first electrode and second electrode are linked to each other with a direct current current source, one of them electrode links to each other with DC current source in such a way, make electronics flow to electrode from DC current source, and another electrode links to each other with DC current source in such a way, make electronics from electrode stream to DC current source; With
(4) conductivity of measurement from an electrode to another electrode;
If wherein do not have electric current from an electrode stream to another electrode, then airtight container and packoff do not leak, and if have electric current from an electrode stream to another electrode, then airtight container and packoff have leakage.
2. according to the process of claim 1 wherein that said airtight container is made of plastics, packoff is the resealable means that is made of plastics.
3. according to the method for claim 2, wherein said packoff is a kind of spiral that covers.
4. according to the method for claim 3, wherein said electrolytic production compound comprises a kind of isotonicity beverage, and it comprises water, a kind of carbohydrate source and a kind of salt.
5. according to the method for claim 4, wherein said carbohydrate source comprises sucrose, glucose from one group, select in the compound of maltodextrin and other potpourri, wherein said salt comprises sodium chloride by one group, and potassium chloride is selected in the salt of sodium citrate and their potpourri.
6. according to the method for claim 5, wherein said electrolytic solution comprises power and water and separates matter.
7. according to the method for claim 6, wherein electrolyte comprises citric acid by one group, sodium chloride, and potassium chloride is selected in the electrolyte of aluminum chloride and their potpourri.
8. according to the method for claim 7, wherein first electrode is made of copper, and wherein second electrode is a galvanized metal plate.
9. method according to Claim 8, wherein first electrode is an anode, wherein second electrode is a negative electrode.
10. according to the method for claim 9, wherein DC current source is that a rated voltage is about 1.2V and rated current is about 100 milliamperes battery.
11. the equipment that can survey the packoff leakage of airtight container, airtight container has openable packoff and the electrolytic production complex is housed, and said equipment comprises that a kind of device is used for:
(1) first electrode is inserted airtight container, wherein airtight container has an openable packoff and a hole, first electrode can pass this hole and insert, airtight container and packoff are all non-conductive, airtight container is equipped with the electrolytic production complex, first electrode inserts airtight container in such a way, makes the electrode of winning immerse the electrolytic production complex to small part, and packoff is in the initial sealing state;
(2) airtight container is immersed in the electrolytic solution that is loaded in the container, wherein electrolytic solution directly contacts with second electrode, and airtight container immerses electrolytic solution in such a way, make the packoff of airtight container immerse in the electrolytic solution fully, the packoff inside surface of airtight container is dipped in the electrolytic production complex that is loaded on airtight container fully, and first electrode does not directly contact with electrolytic solution;
(3) first electrode and second electrode are linked to each other with a direct current current source, one of them electrode links to each other with DC current source in such a way, makes electronics flow to electrode from DC current source.And another electrode links to each other with DC current source in such a way, make electronics from electrode stream to DC current source; With
(4) conductivity of measurement from an electrode to another electrode;
If wherein do not have electric current from an electrode stream to another electrode, then packoff and airtight container do not leak, and if have electric current from an electrode stream to another electrode, then airtight container and packoff have leakage.
12. a method that detects the packoff leakage of airtight container, the sealing container is equipped with the electrolytic production compound and openable packoff is arranged, and said method comprises:
(1) first electrode is inserted in the airtight container, wherein airtight container has an openable packoff and a hole, first electrode can pass this hole and insert, wherein airtight container and packoff are all non-conductive, airtight container is equipped with electrolyte product complex, and first electrode inserts airtight container in such a way, and electrode to the small part of winning is dipped in the electrolytic production complex, and packoff is in its initial sealing situation;
(2) airtight container is dipped in the electrolytic solution that is loaded in the container, wherein electrolytic solution directly contacts with second electrode, and airtight container immerses electrolytic solution in such a way, make the packoff of airtight container immerse electrolytic solution fully, the packoff inside surface of airtight container is dipped in the electrolytic production complex that is loaded on airtight container fully, and first electrode does not directly contact with electrolytic solution.
(3) first electrode and second electrode are linked to each other with a conductance measurement equipment, one of them electrode links to each other with conductance measurement equipment in such a way, make when packoff or airtight container leakage, electronics can flow to another electrode by packoff or airtight container from an electrode; (4) measurement is led to the electricity of another electroplax from an electrode;
If wherein do not measure electronics from an electrode stream to another electrode, then packoff and airtight container do not leak, and if have electronics from an electrode stream to another electrode, then packoff and airtight container have leakage.
13. according to the method for claim 12, wherein said airtight container is made of plastics, said packoff is the reclosable packoff that plastics are made.
14. according to the method for claim 13, wherein said packoff is a screw thread that covers.
15. according to the method for claim 14, wherein said electrolytic production complex comprises that one includes water, carbohydrate source and a kind of salt lead oozing property beverage.
16. according to the method for claim 15, wherein said carbohydrate source comprises sucrose, glucose by one group, fructose select in the compound of maltodextrin and composition thereof, and salt comprises sodium chloride by one group, potassium chloride is selected in the salt of sodium citrate and composition thereof.
17. according to the method for claim 16, wherein said electrolytic solution comprises water and a kind of electrolyte.
18. according to the method for claim 17, wherein said electrolyte comprises citric acid by one group, sodium chloride, and potassium chloride is selected in the electrolyte of aluminum chloride and composition thereof.
19. according to the method for claim 18, wherein first electrode is formed from steel and second electrode is a galvanized metal plate.
20. according to the method for claim 19, wherein first electrode is an anode and second electrode is a negative electrode.
21. the equipment that the packoff that can detect in the airtight container leaks, the sealing container is equipped with the electrolytic production complex and openable packoff is arranged, and said equipment comprises a kind of device, is used for:
(1) first electrode is inserted in the airtight container, wherein airtight container has an openable packoff and a hole, and first electrode can pass this hole and insert.Airtight container and packoff are all non-conductive, airtight container is equipped with the electrolytic production complex, wherein first electrode inserts in the airtight container in such a way, and the electrode of winning is immersed in the electrolytic production complex to small part, and packoff is in the initial sealing state;
(2) airtight container is immersed in the electrolytic solution of containing in a container, wherein electrolytic solution directly contacts with second electrode, and airtight container immerses in the electrolytic solution in such a way, the packoff of airtight container immerses in the electrolytic solution fully, the packoff inside surface of airtight container is dipped in the electrolytic production compound that is loaded on airtight container fully, and first electrode does not directly contact with electrolytic solution.
(3) first electrode and second electrode are linked to each other with a conductance measurement equipment, one of them electrode links to each other with conductance measurement equipment in such a way, make that electronics can flow to another electrode by packoff and airtight container from an electrode when packoff or airtight container have leakage; With
(4) measurement is led to the electricity of another electrode from an electrode;
If wherein do not measure electronics from an electrode stream to another electrode, then packoff and airtight container do not leak, and if have electronics from an electrode stream to another electrode, then packoff and airtight container have leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96192688 CN1179209A (en) | 1995-01-31 | 1996-01-29 | Seal integrity evaluation method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/381,369 | 1995-01-31 | ||
| CN 96192688 CN1179209A (en) | 1995-01-31 | 1996-01-29 | Seal integrity evaluation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1179209A true CN1179209A (en) | 1998-04-15 |
Family
ID=5128413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96192688 Pending CN1179209A (en) | 1995-01-31 | 1996-01-29 | Seal integrity evaluation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1179209A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343645C (en) * | 2001-12-27 | 2007-10-17 | 泰特拉-拉瓦尔金融控股公司 | Sealed condition inspecting device |
| CN102221440A (en) * | 2010-04-13 | 2011-10-19 | 中国科学院海洋研究所 | Remote detecting device for detecting water leakage of deep-sea pressure-resistant cabin |
| CN116097077A (en) * | 2022-06-17 | 2023-05-09 | 株式会社荏原制作所 | Leakage determination method and plating apparatus |
-
1996
- 1996-01-29 CN CN 96192688 patent/CN1179209A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343645C (en) * | 2001-12-27 | 2007-10-17 | 泰特拉-拉瓦尔金融控股公司 | Sealed condition inspecting device |
| CN102221440A (en) * | 2010-04-13 | 2011-10-19 | 中国科学院海洋研究所 | Remote detecting device for detecting water leakage of deep-sea pressure-resistant cabin |
| CN116097077A (en) * | 2022-06-17 | 2023-05-09 | 株式会社荏原制作所 | Leakage determination method and plating apparatus |
| CN116097077B (en) * | 2022-06-17 | 2024-02-27 | 株式会社荏原制作所 | Leakage determination method and plating apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0807246B1 (en) | Seal integrity evaluation method | |
| CN101644653B (en) | Corrosion test device with in-situ electrochemical test function | |
| CN203037828U (en) | Detection device for lithium ion battery | |
| WO1999063347A3 (en) | Electrochemical based assay processes, instrument and labels | |
| CN103063565B (en) | Electrolytic cell for detecting corrosion resistance of packaging material | |
| CN110320250A (en) | A kind of micro- plastics detection device in condenser type ocean | |
| CN1179209A (en) | Seal integrity evaluation method | |
| CN110441356A (en) | A kind of detection method and detection device of aluminum plastic membrane shell internal corrosion | |
| GB2307990A (en) | Electrochemical assessment of cell behaviour and metabolic activity | |
| CN102937615B (en) | Method for detecting shell stability of lithium ion battery | |
| US20060112758A1 (en) | Method for detecting defects in a package containing metal foil by cyclic voltammetry | |
| CN106602134A (en) | High-electrolyte-content lithium ion battery and manufacturing method therefor | |
| CN106124565A (en) | A kind of sealing fixation measuring device for measuring tight rock impedance characteristic | |
| Axelson et al. | Aseptic integrity and microhole determination of packages by electrolytic conductance measurement | |
| MXPA97005759A (en) | Seal integrity evaluation method | |
| US5916705A (en) | Fuel cell cathode testing device and method for using the same | |
| RU2326374C1 (en) | Cell for measuring electrochemical properties of quick and flexible water saturated media | |
| CN103278494A (en) | Method and experimental device for detecting dissolved oxygen by optical and electrical combination | |
| US8205480B2 (en) | Measuring device | |
| CN212844928U (en) | Tectorial membrane iron cover detection device | |
| JPH10197389A (en) | Device for inspecting aluminum electrolytic capacitor for airtightness | |
| CN216955628U (en) | Concrete chlorine ion resistant permeameter | |
| CN211741151U (en) | Double-liquid-area double-opening electrochemical testing device | |
| CN108428954A (en) | A kind of devices and methods therefor that can quickly study lithium ion battery electrochemical behavior | |
| CN211376862U (en) | Liquid battery efficiency detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |