JPH0255125U - - Google Patents
Info
- Publication number
- JPH0255125U JPH0255125U JP13343088U JP13343088U JPH0255125U JP H0255125 U JPH0255125 U JP H0255125U JP 13343088 U JP13343088 U JP 13343088U JP 13343088 U JP13343088 U JP 13343088U JP H0255125 U JPH0255125 U JP H0255125U
- Authority
- JP
- Japan
- Prior art keywords
- gas meter
- withstand voltage
- microcomputer
- transmission line
- signal transmission
- 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
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Measuring Volume Flow (AREA)
Description
第１図はこの考案の第一実施例による電気的構
成を示す模式図、第２図は同第二実施例による電
気的構成を示す模式図、第３図はこの考案が適用
されるガスメータを含むガス検針システムの一般
構成を示すブロツク図である。
１，２……ガスメータハウジング（１……上ケ
ース、２……下ケース）、３……マイコン、４…
…電池、５……ソレノイド式遮断弁、６……流量
センサー、７……サージ防護素子、８……バリス
タ（サージ防護素子）、ＤＴ，ＳＧ……信号伝送
ライン。
Fig. 1 is a schematic diagram showing the electrical configuration according to the first embodiment of this invention, Fig. 2 is a schematic diagram showing the electrical composition according to the second embodiment of the invention, and Fig. 3 shows a gas meter to which this invention is applied. 1 is a block diagram showing the general configuration of a gas meter reading system including a gas meter reading system. 1, 2...Gas meter housing (1...upper case, 2...lower case), 3...microcomputer, 4...
...Battery, 5...Solenoid type cutoff valve, 6...Flow rate sensor, 7...Surge protection element, 8...Varistor (surge protection element), DT, SG...Signal transmission line.
Claims (1)
量の積算、異状流量の判断または外部からの信号
伝送ラインを通じてデータの授受、遮断動作など
を行うようにしたガスメータにおいて、前記マイ
コンの耐電圧よりも低い耐電圧に設定されたサー
ジ防護素子の一端を前記信号伝送ラインに接続し
、他端をガスメータハウジング側に接続したこと
を特徴とする集中監視機能付きガスメータ。 A gas meter with a built-in microcomputer that integrates the gas flow rate, determines abnormal flow rates, sends and receives data through an external signal transmission line, performs shutoff operations, etc., has a withstand voltage that is lower than the withstand voltage of the microcomputer. A gas meter with a central monitoring function, characterized in that one end of a surge protection element set to withstand voltage is connected to the signal transmission line, and the other end is connected to a gas meter housing side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13343088U JPH0255125U (en) | 1988-10-14 | 1988-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13343088U JPH0255125U (en) | 1988-10-14 | 1988-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255125U true JPH0255125U (en) | 1990-04-20 |
Family
ID=31391282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13343088U Pending JPH0255125U (en) | 1988-10-14 | 1988-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255125U (en) |
-
1988
- 1988-10-14 JP JP13343088U patent/JPH0255125U/ja active Pending
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