JPH0479240U - - Google Patents
Info
- Publication number
- JPH0479240U JPH0479240U JP12244690U JP12244690U JPH0479240U JP H0479240 U JPH0479240 U JP H0479240U JP 12244690 U JP12244690 U JP 12244690U JP 12244690 U JP12244690 U JP 12244690U JP H0479240 U JPH0479240 U JP H0479240U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- rate
- vessel
- calculates
- pressurized fluid
- 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
- 230000007423 decrease Effects 0.000 claims 4
- 239000012530 fluid Substances 0.000 claims 4
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Examining Or Testing Airtightness (AREA)
Description
第1図は本考案に係る圧力容器の耐圧試験装置
の一実施例を示す構成図、第2図は本実施例によ
る時間に対する給水圧力の変化を示す特性線図、
第3図は本実施例による時間に対する器内圧力の
変化を示す特性線図、第4図は本実施例による時
間に対する器内圧力の微分値の変化を示す特性線
図、第5図は本実施例による圧力降下率の変化を
示す特性線図、第6図は従来の実施例を示す構成
図である。
1……圧力容器、3……給水弁、4……ドレン
弁、5,6……圧力発信器、7……変化率演算器
、8……プログラマブル演算器。
FIG. 1 is a configuration diagram showing an embodiment of a pressure test device for a pressure vessel according to the present invention, and FIG. 2 is a characteristic diagram showing changes in water supply pressure with respect to time according to the present embodiment.
FIG. 3 is a characteristic diagram showing the change in the pressure inside the vessel with respect to time according to this embodiment, FIG. FIG. 6 is a characteristic diagram showing changes in pressure drop rate according to embodiments, and a configuration diagram showing a conventional embodiment. 1... Pressure vessel, 3... Water supply valve, 4... Drain valve, 5, 6... Pressure transmitter, 7... Rate of change calculator, 8... Programmable calculator.
Claims (1)
器と、この検出された器内圧力信号の降下率を演
算する変化率演算器と、該圧力容器への加圧流体
の圧力を検出する第2の圧力発信器と、これらの
器内圧力の降下率および加圧流体の圧力信号に基
づいて加圧流体の圧力に対する圧力容器の圧力の
降下率を演算し、一定の圧力保持時間後圧力差が
生じた場合に異常信号を出力するプログラマブル
演算器とを備え、予めセツトされたプログラムに
より圧力容器の健全性を検証することを特徴とす
る圧力容器の耐圧試験装置。 a first pressure transmitter that detects the internal pressure of the pressure vessel; a rate-of-change calculator that calculates the rate of decline of the detected internal pressure signal; and a rate-of-change calculator that detects the pressure of the pressurized fluid into the pressure vessel. The second pressure transmitter calculates the rate of decrease in pressure in the pressure vessel with respect to the pressure in the pressurized fluid based on the rate of decrease in pressure in the vessel and the pressure signal of the pressurized fluid, and calculates the rate of decrease in pressure in the pressure vessel with respect to the pressure of the pressurized fluid, and calculates the pressure after a certain pressure holding time. A pressure test device for a pressure vessel, comprising a programmable computing unit that outputs an abnormal signal when a difference occurs, and for verifying the soundness of the pressure vessel according to a preset program.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12244690U JPH0479240U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12244690U JPH0479240U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0479240U true JPH0479240U (en) | 1992-07-10 |
Family
ID=31870227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12244690U Pending JPH0479240U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0479240U (en) |
-
1990
- 1990-11-26 JP JP12244690U patent/JPH0479240U/ja active Pending
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