JP2007132875A5 - - Google Patents
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- JP2007132875A5 JP2007132875A5 JP2005328269A JP2005328269A JP2007132875A5 JP 2007132875 A5 JP2007132875 A5 JP 2007132875A5 JP 2005328269 A JP2005328269 A JP 2005328269A JP 2005328269 A JP2005328269 A JP 2005328269A JP 2007132875 A5 JP2007132875 A5 JP 2007132875A5
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- air leak
- leak inspection
- measurement
- chamber
- 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
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Claims (5)
測定ヘッドは、
測定関連空間内の圧力を制御する圧力制御部であって、外部の圧力源からの流体により駆動されるダイアフラムと、ダイアフラムの動作によって容積が変化し、連通路により収容室と連通され、測定関連空間の一部となる作動室と、を有する圧力制御部と、
測定関連空間内の圧力を検出する圧力検出部であって、連通路により収容室と連通され、測定関連空間の一部となる圧力検出室と、圧力検出室の圧力を検出する圧力センサと、を有する圧力検出部と、
を備え、
当該エアリーク検査装置は、さらに、圧力制御部により圧力が変化された後の測定関連空間内の圧力の変化に基づき密閉容器の密閉性の判定を行う判定部、を有する、
エアリーク検査装置。 A measuring tank in which a storage chamber for storing a sealed container to be inspected is formed; and a measurement head that contacts the measurement tank and seals a measurement-related space including the storage chamber. An air leak inspection device that performs inspection,
Measuring head is
A pressure control unit that controls the pressure in the measurement-related space. The volume is changed by the diaphragm driven by the fluid from the external pressure source and the operation of the diaphragm. A pressure control unit having a working chamber that becomes a part of the space;
A pressure detection unit for detecting pressure in the measurement related space, the pressure detection chamber being in communication with the storage chamber by the communication path and being a part of the measurement related space; A pressure detector having
With
The air leak inspection apparatus further includes a determination unit that determines the sealing property of the sealed container based on a change in pressure in the measurement-related space after the pressure is changed by the pressure control unit.
Air leak inspection device.
作動室と収容室を連通する連通路および圧力検出室と収容室を連通する連通路は、作動室と圧力検出室を結ぶ第１部分と、第１部分と収容室を結ぶ第２部分と、を有する主連通路であり、
主連通路の第１部分の長さは、圧力センサの、受圧面が設けられた面の半径と、ダイアフラムの半径の小さい方の半径より短い、
エアリーク検査装置。 The air leak inspection device according to claim 2,
The communication path that connects the working chamber and the storage chamber and the communication path that connects the pressure detection chamber and the storage chamber are a first portion that connects the working chamber and the pressure detection chamber, a second portion that connects the first portion and the storage chamber, A main communication passage having
The length of the first portion of the main communication path is shorter than the radius of the surface of the pressure sensor where the pressure receiving surface is provided and the smaller radius of the diaphragm.
Air leak inspection device.
The air leak inspection apparatus according to any one of claims 1 to 4, wherein a groove is formed on a surface of the working chamber facing the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005328269A JP2007132875A (en) | 2005-11-14 | 2005-11-14 | Air leak inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005328269A JP2007132875A (en) | 2005-11-14 | 2005-11-14 | Air leak inspection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007132875A JP2007132875A (en) | 2007-05-31 |
| JP2007132875A5 true JP2007132875A5 (en) | 2007-09-27 |
Family
ID=38154653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005328269A Pending JP2007132875A (en) | 2005-11-14 | 2005-11-14 | Air leak inspection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2007132875A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4871415B1 (en) * | 2011-01-13 | 2012-02-08 | 株式会社ヤシマ | In-vehicle battery vent plug inspection method |
| CN106383009A (en) * | 2016-11-29 | 2017-02-08 | 洛阳隆华传热节能股份有限公司 | Operation method for leak detection device used for electric power condenser ellipse heat exchange tube |
| CN114323464B (en) * | 2022-03-08 | 2022-05-27 | 浙江工业大学 | BOSS structure sealing experimental device, system and testing method for IV-type hydrogen storage cylinder |
-
2005
- 2005-11-14 JP JP2005328269A patent/JP2007132875A/en active Pending
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