JPH02150542U - - Google Patents
Info
- Publication number
- JPH02150542U JPH02150542U JP6013589U JP6013589U JPH02150542U JP H02150542 U JPH02150542 U JP H02150542U JP 6013589 U JP6013589 U JP 6013589U JP 6013589 U JP6013589 U JP 6013589U JP H02150542 U JPH02150542 U JP H02150542U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- slave unit
- water leakage
- transmission line
- unit number
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Examining Or Testing Airtightness (AREA)
- Alarm Systems (AREA)
Description
第１図は本考案による一方向伝送形漏水検知装
置の実施例を示すブロツク配線図であり、第２図
は第１図装置の子機を複数個配置する場合の接続
図であり、第３図は従来例の接続図である。
Ｍ……親機、１……直流電源、３……パルス検
知回路、５……リセツト回路、７……カウンタ、
９……精密クロツク発生器、１１……警報・表示
回路、１３……警報ランプ、１５……警報音発生
器、１７……子機番号表示器、Ｃ……子機、２１
……極性検知回路、２３……全波整流器、２５…
…精密クロツク発生器、２７……カウンタ、２９
……電流パルス回路、３１……比較回路、３３…
…コードスイツチ、３５……漏水検知回路、Ｓ…
…漏水検知センサ、Ｌ……信号伝送線路。
Fig. 1 is a block wiring diagram showing an embodiment of the one-way transmission type water leak detection device according to the present invention, Fig. 2 is a connection diagram when a plurality of slave units of the device in Fig. 1 are arranged, and Fig. The figure is a connection diagram of a conventional example. M...Main unit, 1...DC power supply, 3...Pulse detection circuit, 5...Reset circuit, 7...Counter,
9...Precision clock generator, 11...Alarm/display circuit, 13...Alarm lamp, 15...Alarm sound generator, 17...Slave unit number display, C...Slave unit, 21
...Polarity detection circuit, 23...Full wave rectifier, 25...
...Precision clock generator, 27...Counter, 29
...Current pulse circuit, 31...Comparison circuit, 33...
...Code switch, 35...Water leak detection circuit, S...
...Water leak detection sensor, L...Signal transmission line.
Claims (1)
て漏水検知信号を出力するための少なくとも１つ
の子機と、親機に子機を接続する信号伝送線路と
から成る一方向伝送形漏水検知装置において、 各子機番号表示器を含む警報表示手段と、クロ
ツクパルスを計数して子機番号に相当する計数出
力を順次に警報表示手段に印加して各子機番号を
順次に表示させるための第１カウンタ手段と、漏
水検知信号を形成する前記伝送線路上の所定周波
数のパルス信号に応答して警報表示手段を駆動す
るパルス検知手段とを前記親機が含み； 前記親機のクロツクパルスと同期してクロツク
パルスを計数することにより該当子機番号に相当
する計数出力を発生するための第２カウンタ手段
と、各被測定箇所の漏水状態を検知して漏水検知
信号を出力するセンサ手段と、所定期間毎に前記
クロツクパルスの計数をリセツトするための手段
と、前記伝送線路を介して前記パルス検知手段に
接続されて前記第２カウンタ手段の出力と前記漏
水検知信号とに応答して前記伝送線路上に前記所
定周波数のパルス信号を生じて前記パルス検知手
段をパルス駆動するためのパルス信号発生手段と
を有して成る前記漏水検知装置。[Scope of Claim for Utility Model Registration] A base unit serving as a central monitoring device, at least one slave unit for outputting a water leakage detection signal in response to a water leakage sensor, and a signal transmission line connecting the slave units to the base unit. The one-way transmission type water leakage detection device consists of an alarm display means including each slave unit number display, and a count output corresponding to the slave unit number by counting clock pulses and sequentially applying the counting output corresponding to the slave unit number to the alarm display means to display each slave unit number. the master unit includes a first counter means for sequentially displaying the values, and a pulse detection means for driving the alarm display means in response to a pulse signal of a predetermined frequency on the transmission line forming a water leakage detection signal; a second counter means for generating a count output corresponding to a corresponding slave unit number by counting clock pulses in synchronization with the clock pulses of the master unit; a sensor means for outputting an output, a means for resetting the count of the clock pulse at every predetermined period, and a means connected to the pulse detection means via the transmission line to output the output of the second counter means and the water leakage detection signal. and pulse signal generating means for generating a pulse signal of the predetermined frequency on the transmission line in response to drive the pulse detecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6013589U JPH0725651Y2 (en) | 1989-05-24 | 1989-05-24 | Leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6013589U JPH0725651Y2 (en) | 1989-05-24 | 1989-05-24 | Leakage detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02150542U true JPH02150542U (en) | 1990-12-26 |
| JPH0725651Y2 JPH0725651Y2 (en) | 1995-06-07 |
Family
ID=31587233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6013589U Expired - Lifetime JPH0725651Y2 (en) | 1989-05-24 | 1989-05-24 | Leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0725651Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187650A (en) * | 2018-10-10 | 2019-01-11 | 北京荣信慧科科技有限公司 | A kind of high reliability water-leakage detecting system |
-
1989
- 1989-05-24 JP JP6013589U patent/JPH0725651Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187650A (en) * | 2018-10-10 | 2019-01-11 | 北京荣信慧科科技有限公司 | A kind of high reliability water-leakage detecting system |
| CN109187650B (en) * | 2018-10-10 | 2023-12-26 | 北京荣信慧科科技有限公司 | High-reliability water leakage detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0725651Y2 (en) | 1995-06-07 |
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