CN112033608A - Method for detecting air tightness of battery system - Google Patents
Method for detecting air tightness of battery system Download PDFInfo
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- CN112033608A CN112033608A CN202011043451.5A CN202011043451A CN112033608A CN 112033608 A CN112033608 A CN 112033608A CN 202011043451 A CN202011043451 A CN 202011043451A CN 112033608 A CN112033608 A CN 112033608A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000012360 testing method Methods 0.000 claims description 11
- 239000000565 sealant Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000035699 permeability Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a method for detecting the air tightness of a battery system, and belongs to the technical field of air tightness detection. The method for detecting the air tightness of the battery system comprises the following steps: selecting one product from products with the same specification as a comparison piece, and taking the rest products as to-be-detected pieces; setting a standard leak hole to enable the standard leak hole to accord with a preset detection standard; arranging a standard leak hole on the comparison piece to obtain an equivalent standard piece, and detecting the leakage amount of the equivalent standard piece to obtain an allowable leakage amount; detecting the leakage amount of the piece to be detected to obtain the leakage amount of the piece to be detected; and if the leakage amount of the to-be-measured piece is not more than the allowable leakage amount, the to-be-measured piece is qualified, otherwise, the to-be-measured piece is unqualified. According to the method for detecting the air tightness of the battery system, the comparison piece and the piece to be detected are products with the same specification, so that differential detection is realized, and the detection standard is refined; the standard leak is arranged according to the detection standard of the product, and the standard leak has definite technical indexes, so that the equivalent standard part has corresponding technical indexes, the accuracy of the detection indexes is improved, and the detection reliability of the product is improved.
Description
Technical Field
The invention relates to the technical field of airtightness detection, in particular to a method for detecting airtightness of a battery system.
Background
The battery box is an important part of the power battery, and the battery box needs to meet the protection level requirement of an electrical equipment shell, so that the influence on the safe use caused by the short circuit of the power battery due to the dust or water inlet is avoided. The conventional method for detecting the air tightness of the battery box in the prior industry comprises the following steps: measuring by using a direct pressure method air tightness detector, and inflating air into a measured box body; and detecting the leakage amount of the tested box body, wherein when the leakage amount is not more than a preset value, the tested box body is a qualified product, and otherwise, the tested box body is an unqualified product.
The internal volumes and the external profiles of different boxes are different, so that the allowable leakage amount is different, but the boxes with different volumes cannot be accurately detected by adopting a unified test standard at present, the detection standard is single, the differential detection cannot be performed without refining the test standard, and the detection accuracy is poor; the qualified conditions of the air tightness detection have no clear technical indexes, the allowable leakage amount is influenced to be numerous, the aperture and the number of the tiny leakage points are unknown, the value of the allowable leakage amount is obtained by experience at present, and the detection reliability of the battery box body is low without test verification.
Disclosure of Invention
The invention aims to provide a method for detecting the air tightness of a battery system, which is used for carrying out differential detection on products with different specifications, providing clear technical indexes and improving the detection accuracy and reliability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for detecting the air tightness of a battery system comprises the following steps:
selecting one product from products with the same specification as a comparison piece, and taking the rest products as to-be-detected pieces;
setting a standard leak hole to enable the standard leak hole to accord with a preset detection standard;
arranging a standard leak hole on the comparison piece to obtain an equivalent standard piece, and detecting the leakage amount of the equivalent standard piece to obtain an allowable leakage amount;
detecting the leakage amount of the piece to be detected to obtain the leakage amount of the piece to be detected;
and if the leakage amount of the to-be-measured piece is not more than the allowable leakage amount, the to-be-measured piece is qualified, otherwise, the to-be-measured piece is unqualified.
Optionally, when the product is a box body, before the equivalent standard component is detected, inflating the equivalent standard component, and then maintaining the pressure of the equivalent standard component.
Optionally, the box body comprises an upper box cover and a lower box body, and the standard leak holes are respectively formed in the upper box cover, the lower box body and the joint of the upper box cover and the lower box body.
Optionally, before the piece to be detected is detected, inflating the piece to be detected, and then maintaining the pressure of the piece to be detected.
Optionally, after the equivalent standard part or the part to be measured is inflated, the pressure of the equivalent standard part or the part to be measured is 3-10 KPa.
Optionally, the test object is vented after the test object is inspected.
Optionally, a gas tightness detector is used to detect the leakage amount of the to-be-detected piece.
Optionally, the control is sealed prior to providing a standard leak on the control.
Optionally, a sealant layer is disposed on the contrast member.
Optionally, the detection criteria is IP67 or IP68 or IPX 9K.
The invention has the beneficial effects that:
according to the method for detecting the air tightness of the battery system, the comparison piece and the piece to be detected are products with the same specification, differential detection is carried out on products with different specifications, the detection standard is refined, and the detection accuracy is improved; the standard leak is arranged according to the detection standard of the product, the standard leak and the comparison piece form an equivalent standard piece, and the standard leak and the comparison piece both have specific technical indexes, so that the equivalent standard piece has corresponding technical indexes, data support is provided for the allowable leakage amount obtained by detection, the precision of the detection indexes is improved, and the detection reliability of the product is improved.
Drawings
Fig. 1 is a flowchart of a method for detecting airtightness of a battery system according to an embodiment of the present invention;
fig. 2 is a flowchart of another method for detecting airtightness of a battery system according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The battery box body is an important part of the power battery, and the requirement of the protection grade of the shell of the electrical equipment is met, so that the influence on the safe use caused by the short circuit of the power battery due to the dust or water inlet is avoided; when different products cannot be differentially detected or specific technical indicators cannot be provided, the reliability and accuracy of the detected products are low.
In order to solve the above problem, the present embodiment provides a method for detecting air tightness of a battery system, including:
selecting one product from products with the same specification as a comparison piece, and taking the rest products as to-be-detected pieces;
setting a standard leak hole to enable the standard leak hole to accord with a preset detection standard;
arranging a standard leak hole on the comparison piece to obtain an equivalent standard piece, and detecting the leakage amount of the equivalent standard piece to obtain an allowable leakage amount;
detecting the leakage amount of the piece to be detected to obtain the leakage amount of the piece to be detected;
and if the leakage amount of the to-be-measured piece is not more than the allowable leakage amount, the to-be-measured piece is qualified, otherwise, the to-be-measured piece is unqualified.
The comparison piece and the piece to be detected are products with the same specification, and the standard leak holes are arranged on the products with the corresponding specifications, so that the pressure drop standard in the products can be tested when the air tightness of the products with different specifications is detected, the detection standards of the products with different specifications are refined, the products with different specifications can be conveniently subjected to differential detection, and the detection accuracy is improved; the standard leak is arranged according to the detection standard of the product, the standard leak and the comparison piece form an equivalent standard piece, and both the standard leak and the comparison piece have specific technical indexes, so that the equivalent standard piece has corresponding technical indexes, data support is provided for the allowable leakage amount obtained by detection, the accuracy of the detection indexes is improved, and the detection reliability of the product is improved; the corresponding allowable leakage quantity value provides a quantitative judgment basis for air tightness detection, the air pressure drop value of the piece to be detected is qualified as long as the air pressure drop value is within the allowable leakage quantity range, otherwise, the air pressure drop value is unqualified, the reliability of the detection standard is further improved, and the detection accuracy of products of different specifications is further improved.
Of course, a product with the same specification can also be understood as a product having an equivalent structure with the to-be-detected piece, for example, when the to-be-detected piece is a box body, if the volume of the box body is selected as an important detection standard index, the box body of the equivalent structure product and the box body of the to-be-detected piece need to be ensured to have the same volume, and the shape, the material and the like can be the same or different, wherein preferably, the comparison piece and the to-be-detected piece are completely the same, so as to.
According to the protection requirement, the standard leak firstly meets the requirements that only air permeability is realized, but water permeability is not realized, so that the situation that the power battery is short-circuited due to ash or water inflow and the safety use is influenced is avoided. The standard leak hole simultaneously meets the standard leak hole which is not blocked when gas and liquid pass through, so the aperture of the leak hole is adjusted until the leak hole is impermeable to water and permeable to air, thereby ensuring that the product is impermeable to water and permeable to air so as to meet the use requirement; according to the product detection standard, the standard leak hole is obtained under the equivalent condition of the detection standard so as to meet the protection requirement during the water tightness detection of the power battery, provide the detection standard for the subsequent actual air tightness detection of the power battery and improve the reliability of the detection standard; the detection condition and the regulation requirement of the standard leak hole and the volume of the sealed box body are both based on the data experiment, and the judgment standard of experimental verification and data support is provided for the air tightness detection of the battery box body, so that the reliability of the detection standard is further improved.
In this embodiment, according to the manufacturing standard of the industry, the air tightness detection standard of the battery system is IP67, that is, when the underwater depth is 1 meter and the underwater pressure is 10kpa, the water soaking time of the battery box is 30 minutes and the battery box is waterproof, the battery box meets the IP67 detection standard. Therefore, in order to make the standard leak meet the preset detection standard, specifically, setting the equivalent condition to IP67 requires including: the underwater depth is 1 meter, the underwater pressure is 10 kilopascals, the water soaking time is 30 minutes, and the leak holes are adjusted according to the protection grade requirement, so that the standard leak holes are obtained. The standard leak was mounted on the control, and the equivalent standard satisfied the IP67 test standard. In other embodiments, the detection standard may also be IP68 or IPX9K, that is, corresponding equivalent conditions are set, and the leak is adjusted to obtain a corresponding standard leak and an allowable leak amount, so that the detected product meets the corresponding detection requirement; the standard leak can be set according to different detection standards, the universality is stronger, the specific structure is the prior art, and the detailed description is omitted.
In this embodiment, the airtightness detection includes: and an air source is introduced into one side of the leak hole, the air leakage rate of the other side of the leak hole is detected, the test method is simple, and the detection precision of whether the leak hole is breathable is improved. If the leak is detected to be airtight, the aperture needs to be adjusted to ensure the leak to be airtight, and the leak meets the manufacturing standard. Optionally, the other side of small opening is provided with gas flowmeter, through gas flowmeter carries out leakage rate detection, detects through gas flowmeter, has improved measurement accuracy to obtain exact leakage rate, the follow-up data ization of being convenient for calculates, provides the basis for detecting the judgement. Optionally, the gas source is a 10 kilopascal industrial gas source.
In this embodiment, the water tightness detection includes: the water tank is arranged on one side of the leak hole, the air source is used as a driving source to drive water in the water tank to be injected into one side of the leak hole, the leak rate of the water on the other side of the leak hole is detected, the testing method is simple, and the detection precision of whether the leak hole is permeable is improved. When the leak is permeable, the aperture needs to be reduced to ensure that the leak is impermeable and meets the manufacturing standard. And when the leak hole simultaneously meets the detection requirements, the standard leak hole is obtained.
Under the condition that the standard leak is impermeable but permeable, the pore size of the standard leak can also influence the permeability, and the product only requires to be impermeable to meet the requirement, so that the leak is adjusted, when the standard leak is impermeable but reaches the pore size of the maximum permeability, namely the pore size value in a critical state, the qualification rate of the product can be improved, and the product meeting the requirement is prevented from being screened out.
In this embodiment, the product is the battery box, and the box includes the spare part of case lid, lower box and installation, and during the detection, probably influence the factor of letting out leakage quantity and include: the part welding position, the upper box cover and lower box body connector locking position, the upper box cover and the lower box body locking surface have small leak points, optionally, the standard leak holes are respectively arranged at the connection positions of the upper box cover, the lower box body, the upper box cover and the lower box body, so that the standard leak holes are arranged at all possible leak points, the consistency of the equivalent standard part and the part to be detected is improved, and the reliability of the allowed leakage amount is improved.
Optionally, before the standard leak is arranged on the comparison piece, the comparison piece is sealed, so that the leakage point of the comparison piece is avoided, the allowable leakage amount is increased, the accuracy of the allowable leakage amount is increased, and the detection reliability is further improved. Specifically, the comparison piece can be provided with a sealing adhesive layer, so that the sealing performance of the comparison piece is improved, and the measurement error caused by possible leakage points is reduced.
Optionally, when the product is a box body, before the equivalent standard component is detected, inflating is performed in the equivalent standard component, then pressure maintaining is performed on the equivalent standard component, the pressure in the equivalent standard component is detected after the pressure maintaining, and the pressure drop before and after the pressure maintaining is calculated, namely the allowable leakage amount is calculated, so that the detection method is simple and reliable.
And in the same way, optionally, before the piece to be detected is detected, inflating the piece to be detected, and then maintaining the pressure of the piece to be detected. The detection method of the to-be-detected piece is the same as that of the equivalent detection piece, so that the detection difference caused by different detection methods, detection conditions, environmental temperature change and other influence factors can be eliminated, and the detection reliability is improved.
Optionally, after the equivalent standard part or the part to be measured is inflated, the pressure of the equivalent standard part or the part to be measured is 3-10KPa, so that the situation that the measurement precision is influenced due to too low internal pressure after air leakage due to too low pressure is avoided, and the situation that the subsequent use of the product is influenced due to deformation caused by too high pressure after the inflation of the equivalent standard part or the part to be measured due to too high pressure is also avoided.
Optionally, after the piece to be tested is tested, the piece to be tested is exhausted for subsequent use.
Optionally, the leakage amount of the to-be-detected piece is detected by adopting an air tightness detector, and the operation is simple and convenient.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A method for detecting the air tightness of a battery system is characterized by comprising the following steps:
selecting one product from products with the same specification as a comparison piece, and taking the rest products as to-be-detected pieces;
setting a standard leak hole to enable the standard leak hole to accord with a preset detection standard;
arranging the standard leak hole on the comparison piece to obtain an equivalent standard piece, and detecting the leakage amount of the equivalent standard piece to obtain an allowable leakage amount;
detecting the leakage amount of the piece to be detected to obtain the leakage amount of the piece to be detected;
and if the leakage amount of the piece to be tested is not more than the allowable leakage amount, the piece to be tested is qualified, otherwise, the piece to be tested is unqualified.
2. The method of claim 1, wherein when the product is a case, before the testing of the equivalent standard component, the equivalent standard component is inflated and then pressurized.
3. The method for detecting the airtightness of the battery system according to claim 2, wherein the case body comprises an upper case cover and a lower case body, and the standard leak holes are respectively provided at the upper case cover, the lower case body, and a joint between the upper case cover and the lower case body.
4. The method of claim 2, wherein before the step of testing the device under test, the device under test is inflated and then maintained.
5. The method for detecting the airtightness of the battery system according to claim 4, wherein after the equivalent standard component or the to-be-tested component is inflated, the pressure of the equivalent standard component or the to-be-tested component is 3 to 10 KPa.
6. The method for detecting the airtightness of a battery system according to claim 4, wherein the member to be tested is evacuated after the member to be tested is detected.
7. The method for detecting the airtightness of the battery system according to claim 1, wherein an airtightness detector is used to detect the leakage amount of the to-be-tested member.
8. The method for detecting the airtightness of a battery system according to any one of claims 1 to 7, wherein the control member is sealed before the standard leak is provided thereon.
9. The method for detecting the airtightness of a battery system according to claim 8, wherein a sealant layer is provided on the control member.
10. The method for detecting the airtightness of a battery system according to any one of claims 1 to 7, wherein the detection standard is IP67 or IP68 or IPX 9K.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310646A (en) * | 2021-07-30 | 2021-08-27 | 江苏科标医学检测有限公司 | Sealing detector and sealing detection method |
| CN114088311A (en) * | 2021-11-03 | 2022-02-25 | 格林美(武汉)动力电池回收有限公司 | Method, system, equipment and storage medium for detecting box security |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120097026A (en) * | 2011-02-24 | 2012-09-03 | 쌍용자동차 주식회사 | method for testing leakage performance of cylinder head for automobile |
| CN103837312A (en) * | 2012-11-22 | 2014-06-04 | 赛龙通信技术（深圳）有限公司 | Airtightness automatic test system and test method |
| CN204988635U (en) * | 2015-08-04 | 2016-01-20 | 中国第一汽车股份有限公司 | Leak test standard component with adjustable |
| CN105606318A (en) * | 2015-11-26 | 2016-05-25 | 上海市计量测试技术研究院 | Calibration method and device of airtight leak detector |
| CN106226000A (en) * | 2016-07-07 | 2016-12-14 | 中国科学院光电研究院 | A kind of vacuum leakproofness energy measurement apparatus and method |
| CN108956051A (en) * | 2018-10-15 | 2018-12-07 | 苏州绿控传动科技股份有限公司 | A kind of portable airtight test method |
| CN109357819A (en) * | 2018-12-19 | 2019-02-19 | 国联汽车动力电池研究院有限责任公司 | It is a kind of for detecting the device and method of battery system box sealing performance |
| CN109612881A (en) * | 2018-11-15 | 2019-04-12 | 中国科学院合肥物质科学研究院 | A method of measurement fusion facility the first wall hydrogen isotope infiltration |
-
2020
- 2020-09-28 CN CN202011043451.5A patent/CN112033608B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120097026A (en) * | 2011-02-24 | 2012-09-03 | 쌍용자동차 주식회사 | method for testing leakage performance of cylinder head for automobile |
| CN103837312A (en) * | 2012-11-22 | 2014-06-04 | 赛龙通信技术（深圳）有限公司 | Airtightness automatic test system and test method |
| CN204988635U (en) * | 2015-08-04 | 2016-01-20 | 中国第一汽车股份有限公司 | Leak test standard component with adjustable |
| CN105606318A (en) * | 2015-11-26 | 2016-05-25 | 上海市计量测试技术研究院 | Calibration method and device of airtight leak detector |
| CN106226000A (en) * | 2016-07-07 | 2016-12-14 | 中国科学院光电研究院 | A kind of vacuum leakproofness energy measurement apparatus and method |
| CN108956051A (en) * | 2018-10-15 | 2018-12-07 | 苏州绿控传动科技股份有限公司 | A kind of portable airtight test method |
| CN109612881A (en) * | 2018-11-15 | 2019-04-12 | 中国科学院合肥物质科学研究院 | A method of measurement fusion facility the first wall hydrogen isotope infiltration |
| CN109357819A (en) * | 2018-12-19 | 2019-02-19 | 国联汽车动力电池研究院有限责任公司 | It is a kind of for detecting the device and method of battery system box sealing performance |
Non-Patent Citations (2)
| Title |
|---|
| 王凡 等: "航天产品常用泄漏检测方法", 《真空与低温》 * |
| 陈庆林: "容器检漏技术", 《无损检测》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310646A (en) * | 2021-07-30 | 2021-08-27 | 江苏科标医学检测有限公司 | Sealing detector and sealing detection method |
| CN114088311A (en) * | 2021-11-03 | 2022-02-25 | 格林美(武汉)动力电池回收有限公司 | Method, system, equipment and storage medium for detecting box security |
Also Published As
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|---|---|
| CN112033608B (en) | 2022-09-09 |
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