CN107941431A - Gas leak detection method - Google Patents
Gas leak detection method Download PDFInfo
- Publication number
- CN107941431A CN107941431A CN201711130755.3A CN201711130755A CN107941431A CN 107941431 A CN107941431 A CN 107941431A CN 201711130755 A CN201711130755 A CN 201711130755A CN 107941431 A CN107941431 A CN 107941431A
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- gas
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- gas circuit
- valve
- leak detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 239000000284 extract Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 231100000331 toxic Toxicity 0.000 claims description 4
- 230000002588 toxic effect Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000036541 health Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of gas leak detection method, for gas leak detection apparatus, gas leak detection apparatus includes rack, the first cavity is provided with rack, the second cavity and seal are provided with first cavity, gas analyzer and valve component are additionally provided with first cavity, gas leak detection apparatus is provided with first gas circuit and second gas circuit.Gas leakage detection method comprises the following steps, and opens the second cavity, part to be detected is put into the second cavity；The second cavity is closed, control seal seals the second cavity；Application valve body component, opens first gas circuit, closes second gas circuit, extracts the gas of the second inside cavity to vacuum state；Application valve body component, closes first gas circuit, opens second gas circuit, observes gas analyzer.Double gas return paths of the present invention ensure that the accuracy of detection, meanwhile, user is confirmed whether there is gas leakage by observing gas analyzer, improves the convenience of Leakage inspection.
Description
Technical field
The present invention relates to Leakage inspection field, more particularly to a kind of gas leak detection method.
Background technology
, it is necessary to be detected to battery in the manufacturing process of battery, to confirm that battery is intact, breakage does not occur, occurs
The phenomenon of gas leakage, the accidents such as explosion occur to avoid battery in the manufacturing process in later stage.
In correlation technique, generally detect whether part to be detected has gas leakage by the simple method such as suds, still
This detection device is more simple and crude, and the result of detection is also unreliable, and for this small article of battery, the precision of detection is with regard to worse
.Also whether some devices can be leaked with detection gas, for example air-leakage detector, air-leakage detector pass through
To vacuum chamber, sample under water is produced inside and outside differential pressure, observe gas in sample and escape situation, judge to try with this
The sealing performance of sample；Or by vacuum chamber, making sample produce inside and outside differential pressure, the expansion of observation sample and release vacuum
Specimen shape recovery situation afterwards, the sealing performance of sample is judged with this.But in this structure, if battery waits detection piece hair
It is raw damaged, there is gas to leak out, leaked gas is usually toxic and harmful gas, is directly discharged in air that environment can be caused
Pollution, or health threat is brought to the body of experimenter.
The content of the invention
A kind of gas leak detection method that embodiment of the present invention provides, for gas leak detection apparatus, the gas
Body leak detecting device includes rack, and the first cavity is provided with the rack, the second cavity is provided with first cavity
And seal, the seal seal second cavity, second cavity is openably arranged in first cavity,
Gas analyzer and valve component are additionally provided with first cavity, the gas leak detection apparatus is provided with first gas
Circuit and second gas circuit, are provided with air cleaning device in the second gas circuit,
The gas leakage detection method comprises the following steps：
Second cavity is opened, part to be detected is put into second cavity；
Second cavity is closed, controls the seal to seal second cavity；
The valve component is controlled, opens the first gas circuit, closes the second gas circuit, extracts described the
The gas of two inside cavities is to vacuum state；
The valve component is controlled, closes the first gas circuit, the second gas circuit is opened, observes the gas
Body analyzer.
In embodiment of the present invention, a gas return path will be evacuated to vacuum state in the second cavity, another gas return path
Leaked gas is handled, user is confirmed whether there is gas leakage by observing gas analyzer, improves Leakage inspection
Convenience and precision.Meanwhile second gas circuit carries out cleaning treatment to leaked gas, avoids leaked gas from entering air
Middle pollution air brings health threat to human body.
In some embodiments, grating is provided with second cavity, it is described " to close second cavity, control
It is further comprising the steps of before the step of seal sealing second cavity "：
Whether there is foreign matter in second cavity described in the Grating examinations.
In some embodiments, the gas-detecting device includes compression cylinder, described " second cavity is closed,
Control the seal to seal second cavity " the step of comprise the following steps：
The compression cylinder drives the seal in the vertical direction movement.
In some embodiments, the valve component includes the first high vacuum valve, the second high vacuum valve, the first Pneumatic valve
With the second Pneumatic valve, first high vacuum valve is arranged in the first gas circuit and the second gas circuit, described
First Pneumatic valve is arranged in the second gas circuit, and second Pneumatic valve and second high vacuum valve are arranged on described
In first gas circuit,
It is described " to control the valve component, open the first gas circuit, close the second gas circuit, extract
The gas of second inside cavity is to vacuum state " the step of it is further comprising the steps of：
First high vacuum valve, second Pneumatic valve and second high vacuum valve are opened, closes first gas
Control valve.
In some embodiments, flow controller is provided with the first gas circuit, it is described " to control the valve body
Component, opens the first gas circuit, closes the second gas circuit, extracts the gas of second inside cavity to true
The step of dummy status ", comprises the following steps：
The flow controller is observed, judges whether reach vacuum state in second cavity.
In some embodiments, it is described " to control the valve component, close the first gas circuit, described in opening
The step of second gas circuit ", is further comprising the steps of：
First high vacuum valve and first Pneumatic valve are opened, closes second Pneumatic valve and second Gao Zhen
Empty valve.
In some embodiments, be provided with multiple sensors in the gas analyzer, the gas analyzer according to
The step of gas componant display different brackets, described " observing the gas analyzer ", includes：
Observe the grade that the gas analyzer is shown.
In some embodiments, it is additionally provided with air cleaning device in the second gas circuit, it is described " described in control
Valve component, closes the first gas circuit, opens the second gas circuit " the step of in it is further comprising the steps of：
The air cleaning device cleans the toxic and harmful gas produced in the second gas circuit.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partly by from following
Become obvious in description, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the accompanying drawings below to embodiment by change
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the flow diagram of the gas leak detection method of embodiment of the present invention；
Fig. 2 is the dimensional structure diagram of the gas leak detection apparatus of embodiment of the present invention.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more feature.
In description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection or can mutually communicate；It can be directly connected, can also be by between intermediary
Connect connected, can be the interaction relationship of connection inside two elements or two elements.For the ordinary skill of this area
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or
It " under " can directly be contacted including the first and second features, can also include the first and second features not be direct contact but
Pass through the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include
Fisrt feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First
Feature second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Only represent that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the component and setting of specific examples are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or setting
Relation.In addition, the present invention provides various specific techniques and material examples, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Please refer to Fig.1 and Fig. 2, a kind of gas leak detection method that embodiment of the present invention provides, leaks for gas
Detection device 100, gas leak detection apparatus 100 include rack 10, the first cavity 12, the first cavity 12 are provided with rack 10
The second cavity 14 and seal 16 are inside provided with, seal 16 seals the second cavity 14, and the second cavity 14 is openably arranged on
In first cavity 12, gas analyzer 122 and valve component 124, gas leak detection apparatus are additionally provided with the first cavity 12
100 are provided with first gas circuit and second gas circuit, air cleaning device 32 are provided with second gas circuit, gas is let out
Dew detection method comprises the following steps：
The second cavity 14 is opened, part to be detected is put into the second cavity 14；
The second cavity 14 is closed, control seal 16 seals the second cavity 14；
Application valve body component 124, opens first gas circuit, closes second gas circuit, extracts inside the second cavity 14
Gas to vacuum state；
Application valve body component 124, closes first gas circuit, opens second gas circuit, observes gas analyzer 122.
In embodiment of the present invention, a gas return path will be evacuated to vacuum state in the second cavity 14, another gas returns
Road handles leaked gas, and user is confirmed whether there is gas leakage by observing gas analyzer 122, improves gas leakage inspection
The convenience and precision of survey.Meanwhile second gas circuit carries out cleaning treatment to leaked gas, avoids leaked gas from entering
Air is polluted in air or health threat is brought to human body.
In some embodiments, grating 144 is provided with the second cavity 14, " closes the second cavity 14, control seal
It is further comprising the steps of before the step of 16 the second cavity 14 " of sealing：
Grating 144 detects in the second cavity 14 whether have foreign matter.
In this way, closed in the second cavity 14, during into the first cavity 12, grating 144 can detect the second cavity 14
In whether have foreign matter, such as the hand of people, so as to prevent from clamping the security incidents such as human hand.
In some embodiments, gas-detecting device includes compression cylinder 40, " closes the second cavity 14, control sealing
The step of the second cavity 14 " of sealing of part 16, comprises the following steps：
Compression cylinder 40 drives the movement of 16 in the vertical direction of seal.
In this way, seal 16 can seal the second cavity 14, the accuracy of testing result is improved.
Specifically, the position of 16 and second cavity 14 of seal contact is provided with seal washer.In this way, the second cavity of increase
14 leakproofness, ensures the reliability of testing result.
In some embodiments, valve component 124 includes the first high vacuum valve, the second high vacuum valve, the first Pneumatic valve
With the second Pneumatic valve, the first high vacuum valve is arranged in first gas circuit and second gas circuit, and the first Pneumatic valve is arranged on
In second gas circuit, the second Pneumatic valve and the second high vacuum valve are arranged in first gas circuit,
" application valve body component 124, opens first gas circuit, closes second gas circuit, extracts inside the second cavity 14
Gas to vacuum state " the step of it is further comprising the steps of：
The first high vacuum valve, the second Pneumatic valve and the second high vacuum valve are opened, closes the first Pneumatic valve.
In some embodiments, flow controller 22 is provided with first gas circuit, " application valve body component 124, beats
Open first gas circuit, close second gas circuit, extract gas inside the second cavity 14 to vacuum state " the step of include
Following steps：
Flow controller 22 is observed, judges whether reach vacuum state in the second cavity 14.
In this way, since when the second cavity 14 is in sealing state, the gas capacity in the second cavity 14 is fixed behaviour
Making personnel can be by observing flow controller 22, to judge the stream of the gas extracted from the second cavity 14 in first gas circuit
Amount, into judging whether the second cavity 14 has reached vacuum state, improves the knot that part to be detected detects in the second cavity 14
The accuracy of fruit.
In some embodiments, " application valve body component 124, closes first gas circuit, opens second gas circuit "
The step of it is further comprising the steps of：
The first high vacuum valve and the first Pneumatic valve are opened, closes the second Pneumatic valve and the second high vacuum valve.
In some embodiments, multiple sensors are provided with gas analyzer 122, gas analyzer 122 is according to gas
Body component shows different brackets, and " the step of observation gas analyzer 122 " includes：
Observe the grade that gas analyzer 122 is shown.
Specifically, testing standard is provided with gas analyzer 122, when the composition of air in the second cavity 14 is more, and
When the chemical gas component content of leakage is smaller, gas analyzer 122 shows relatively low grade；Air in the second cavity 14
Component is less, and leak chemical gas component content it is larger when, gas analyzer 122 shows higher grade.In this way, operation
The grade that personnel can show from gas analyzer 122 simply judges the gas leakiness of part to be detected.
In some embodiments, air cleaning device 32 is additionally provided with second gas circuit, " application valve body component
124, close first gas circuit, open second gas circuit " the step of in it is further comprising the steps of：
Air cleaning device 32 cleans the toxic and harmful gas produced in second gas circuit.
In this way, battery is placed in the second cavity 14, when leaked gas passes through second gas circuit to outside drain, let out
Poisonous and harmful element in the gas of leakage after the filtering of the air cleaning device such as oil mist filter and active carbon filter 32,
It is disposed off, air will not be directly entered, so as to fulfill the purpose of environmental protection, decreases the health prestige to operating personnel
The side of body.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the present invention.In this specification
In, schematic expression of the above terms is not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case of not departing from the principle of the present invention and objective, replace and become
Type, the scope of the present invention are limited by claim and its equivalent.
Claims (8)
1. a kind of gas leak detection method, for gas leak detection apparatus, the gas leak detection apparatus includes rack,
The first cavity is provided with the rack, the second cavity and seal, the seal sealing are provided with first cavity
Second cavity, second cavity are openably arranged in first cavity, are additionally provided with first cavity
Gas analyzer and valve component, the gas leak detection apparatus are provided with first gas circuit and second gas circuit, institute
State in second gas circuit and be provided with air cleaning device,
It is characterized in that, the gas leakage detection method comprises the following steps：
Second cavity is opened, part to be detected is put into second cavity；
Second cavity is closed, controls the seal to seal second cavity；
The valve component is controlled, opens the first gas circuit, closes the second gas circuit, extracts second chamber
The gas in internal portion is to vacuum state；
The valve component is controlled, closes the first gas circuit, opens the second gas circuit, observes the gas point
Analyzer.
2. gas leak detection method according to claim 1, it is characterised in that be provided with light in second cavity
Following step was further included before the step of grid, described " closing second cavity, control the seal to seal second cavity "
Suddenly：
Whether there is foreign matter in second cavity described in the Grating examinations.
3. gas leak detection method according to claim 1, it is characterised in that the gas-detecting device includes compressing
The step of cylinder, described " closing second cavity, control the seal to seal second cavity ", comprises the following steps：
The compression cylinder drives the seal in the vertical direction movement.
4. gas leak detection method according to claim 1, it is characterised in that the valve component includes the first Gao Zhen
Empty valve, the second high vacuum valve, the first Pneumatic valve and the second Pneumatic valve, first high vacuum valve are arranged on the first gas and return
In road and the second gas circuit, first Pneumatic valve is arranged in the second gas circuit, second Pneumatic valve
It is arranged on second high vacuum valve in the first gas circuit,
It is described " to control the valve component, open the first gas circuit, close the second gas circuit, described in extraction
The gas of second inside cavity is to vacuum state " the step of it is further comprising the steps of：
First high vacuum valve, second Pneumatic valve and second high vacuum valve are opened, closes first Pneumatic valve.
5. gas leak detection method according to claim 4, it is characterised in that be provided with the first gas circuit
Flow controller, it is described " to control the valve component, open the first gas circuit, close the second gas circuit, take out
The gas of second inside cavity is taken to vacuum state " the step of comprise the following steps：
The flow controller is observed, judges whether reach vacuum state in second cavity.
6. gas leak detection method according to claim 4, it is characterised in that described " to control the valve component, close
Close the first gas circuit, open the second gas circuit " the step of it is further comprising the steps of：
First high vacuum valve and first Pneumatic valve are opened, closes second Pneumatic valve and second high vacuum
Valve.
7. gas leak detection method according to claim 4, it is characterised in that be provided with the gas analyzer more
Kind sensor, the gas analyzer show different brackets, described " observing the gas analyzer " according to the gas componant
The step of include：
Observe the grade that the gas analyzer is shown.
8. gas leak detection method according to claim 4, it is characterised in that also set up in the second gas circuit
There is air cleaning device, it is described " to control the valve component, close the first gas circuit, open the second gas and return
It is further comprising the steps of in the step of road "：
The air cleaning device cleans the toxic and harmful gas produced in the second gas circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130755.3A CN107941431A (en) | 2017-11-15 | 2017-11-15 | Gas leak detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130755.3A CN107941431A (en) | 2017-11-15 | 2017-11-15 | Gas leak detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941431A true CN107941431A (en) | 2018-04-20 |
Family
ID=61931280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711130755.3A Pending CN107941431A (en) | 2017-11-15 | 2017-11-15 | Gas leak detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354076A (en) * | 2022-01-27 | 2022-04-15 | 佛山市实达科技有限公司 | A battery leakage detection device |
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| CN1720432A (en) * | 2003-06-11 | 2006-01-11 | 瓦里安有限公司 | Methods and apparatus for detection of large leaks in sealed articles |
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| CN114354076A (en) * | 2022-01-27 | 2022-04-15 | 佛山市实达科技有限公司 | A battery leakage detection device |
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Application publication date: 20180420 |