JPH0221561U

JPH0221561U -

Info

Publication number: JPH0221561U
Application number: JP10099588U
Authority: JP
Priority date: 1988-07-29
Filing date: 1988-07-29
Publication date: 1990-02-13
Anticipated expiration: 2003-07-29
Also published as: JPH0621022Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の第一実施例による測定装置
の配管説明図、第２図は測定装置本体を示す断面
図、第３図はこの考案の第二実施例における装置
本体の断面図である。１……メインガス管、２……バイパス管、４…
…測定装置本体、５……ゴム球、７，８，３１，
３２……ガス取入口、９，３０……ハウジング、
１０，１１，３５……計量室、１２，３６……オ
リフイス部、１４，１６，３３，３４……ノズル
部、１５，１７，３７，３８……ガス出口、１９
，３９……羽根車、２０，２１……検出手段、（
２０……マグネツト、２１……磁気近接素子）、
２２……演算部。 Fig. 1 is an explanatory diagram of the piping of the measuring device according to the first embodiment of this invention, Fig. 2 is a sectional view showing the main body of the measuring device, and Fig. 3 is a sectional view of the main body of the measuring device according to the second embodiment of this invention. . 1...Main gas pipe, 2...Bypass pipe, 4...
...Measuring device body, 5...Rubber bulb, 7, 8, 31,
32... Gas intake port, 9, 30... Housing,
10, 11, 35... Measuring chamber, 12, 36... Orifice section, 14, 16, 33, 34... Nozzle section, 15, 17, 37, 38... Gas outlet, 19
, 39... impeller, 20, 21... detection means, (
20... magnet, 21... magnetic proximity element),
22...Arithmetic section.

補正平１．２．１５考案の名称を次のように補正する。考案の名称ガス導管工事用ガス流れ方向確
認装置実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment 1.2.15 Hei 1. The name of the invention is amended as follows. Title of the invention Gas flow direction confirmation device for gas pipeline construction The scope of the claim for utility model registration and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】 (1) 両側を各バイパス管に接続するガス取入口
を形成したハウジングと、ハウジング内にあつて
区画状態に形成された一対の計量室と、計量室の
下部側にあつて、各ガス取入口間を連通させたオ
リフイス部とを備え、前記各計量室の一端側は各
ガス取入口側に向くノズル部を開口形成し、他端
側にはガス出口を開口形成してあるとともに、各
ガス室の内部にはノズルから吹き付けられたガス
の流量に応じた回転数および回転方向で回転する
羽根車と、羽根車の回転数を検出する手段とを設
けたことを特徴とするガス導管工事用ガス流れ方
向確認装置。 (2) 前記計量室は一段であり、羽根車を挟む両
側にそれぞれのガス取入口に連通するノズル部を
設けるとともに、計量室の下部側に各ノズル部に
流通するガス出口を形成したことを特徴とする請
求項１記載のガス導管工事用ガス流れ方向確認装
置。[Scope of Claim for Utility Model Registration] (1) A housing having a gas intake port connected to each bypass pipe on both sides, a pair of metering chambers formed into compartments within the housing, and the lower side of the metering chamber. and an orifice portion that communicates between the gas intake ports, one end of each measuring chamber has a nozzle portion facing each gas intake port, and the other end has a gas outlet. In addition, each gas chamber is provided with an impeller that rotates at a rotational speed and rotational direction corresponding to the flow rate of gas blown from the nozzle, and a means for detecting the rotational speed of the impeller. A gas flow direction confirmation device for gas pipeline construction, characterized by: (2) The metering chamber is one-stage, and has nozzle portions communicating with the respective gas intake ports on both sides of the impeller, and a gas outlet communicating with each nozzle portion on the lower side of the metering chamber. The gas flow direction confirmation device for gas pipeline construction according to claim 1.

【図面の簡単な説明】第１図はこの考案の第一実施例の配管説明図、
第２図は装置本体を示す断面図、第３図はこの考
案の第二実施例における装置本体の断面図である
。１……メインガス管、２……バイパス管、４…
…装置本体、５……ゴム球、７，８，３１，３２
……ガス取入口、９，３０……ハウジング、１０
，１１，３５……計量室、１２，３６……オリフ
イス部、１４，１６，３３，３４……ノズル部、
１５，１７，３７，３８……ガス出口、１９，３
９……羽根車、２０，２１……検出手段、（２０
……マグネツト、２１……磁気近接素子）、２２
……演算部。[Brief explanation of the drawings] Fig. 1 is an explanatory diagram of the piping of the first embodiment of this invention;
FIG. 2 is a sectional view showing the main body of the device, and FIG. 3 is a sectional view of the main body of the device in a second embodiment of this invention. 1...Main gas pipe, 2...Bypass pipe, 4...
...Device body, 5...Rubber bulb, 7, 8, 31, 32
...Gas intake port, 9,30 ...Housing, 10
, 11, 35... Measuring chamber, 12, 36... Orifice section, 14, 16, 33, 34... Nozzle section,
15, 17, 37, 38...Gas outlet, 19, 3
9... impeller, 20, 21... detection means, (20
... Magnet, 21 ... Magnetic proximity element), 22
...Calculation section.

Claims

[Claims for Utility Model Registration] (1) Consisting of a pair of bypass pipes connected to a main gas pipe and a rubber bulb inserted between the bypass pipes and inserted into the main gas pipe, the rubber bulb A gas measuring device configured to close the inside of the main gas pipe by inflating the main gas pipe and measure the pressure difference between the bypass pipes and the gas flow direction, the gas intake port being connected to each bypass pipe on both sides. The housing includes a housing, a pair of upper and lower measuring chambers formed in a divided state within the housing, and an orifice portion located at the lower side of the measuring chamber and communicating between each gas intake port, and each of the measuring chambers has a One end has a nozzle opening facing each gas intake, and the other end has a gas outlet opening. an impeller that rotates at a rotational speed and direction;
For gas pipeline construction work, characterized in that it is equipped with a means for detecting the rotational speed of an impeller, measures the number of pulses detected by each detecting means, and displays the flow velocity and flow direction by comparing and calculating the number of pulses detected by each detecting means. Gas measuring device. (2) The metering chamber is one-stage, and has nozzle portions communicating with the respective gas intake ports on both sides of the impeller, and a gas outlet communicating with each nozzle portion on the lower side of the metering chamber. A gas measuring device for gas pipeline construction according to claim 1.