JPH01138197U - - Google Patents
Info
- Publication number
- JPH01138197U JPH01138197U JP3506788U JP3506788U JPH01138197U JP H01138197 U JPH01138197 U JP H01138197U JP 3506788 U JP3506788 U JP 3506788U JP 3506788 U JP3506788 U JP 3506788U JP H01138197 U JPH01138197 U JP H01138197U
- Authority
- JP
- Japan
- Prior art keywords
- room
- time
- human body
- door
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 15
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Description
第１図は、本考案の構成をあらわすブロツク図
、第２図は、一実施例を示す回路ブロツク図、第
３図は、制御手順の一例を示すフローチヤートで
ある。
符号の説明、１……人体検出手段、２……第一
の計時手段、３……第一の判定手段、４……扉開
閉検出手段、５……第二の計時手段、６……第二
の判定手段、７……警報手段、８……機器制御手
段、１１……センサ、１２……比較器、１３……
タイマ１、１４……判定回路１、１５……ＯＲゲ
ート、１６……リレー、２１……ドアスイツチ、
２２……検出回路、２３……タイマ２、２４……
判定回路２、２５……ＡＮＤゲート、２６……ブ
ザー、２７……マイクロプロセツサ、３１……ド
ア閉止の判定、３２……ドア閉止ｔ２秒後、人体
検知の判定、３３……入室（リレーＯＮ）、３４
……継続ｔ１分間、人体検知の判定、３５……警
報出力（ブザー）、３６……人体検知の判定、３
７……ドア開放の判定、３８……退室（リレーＯ
ＦＦ）、３９……ドア開放の判定。
FIG. 1 is a block diagram showing the configuration of the present invention, FIG. 2 is a circuit block diagram showing one embodiment, and FIG. 3 is a flowchart showing an example of a control procedure. Explanation of symbols: 1...Human body detection means, 2...First timekeeping means, 3...First determination means, 4...Door opening/closing detection means, 5...Second timekeeping means, 6...First Second determination means, 7...Alarm means, 8...Equipment control means, 11...Sensor, 12...Comparator, 13...
Timer 1, 14... Judgment circuit 1, 15... OR gate, 16... Relay, 21... Door switch,
22...detection circuit, 23...timer 2, 24...
Judgment circuits 2, 25...AND gate, 26...Buzzer, 27...Microprocessor, 31...Door closing judgment, 32...Door closing t 2 seconds later, human body detection judgment, 33...Entering ( relay ON), 34
...Continuation t 1 minute, judgment of human body detection, 35... Alarm output (buzzer), 36... Judgment of human body detection, 3
7...Door open judgment, 38...Leave the room (relay O
FF), 39... Judgment of door opening.
Claims (1)
検知手段が不検知となつているあいだ計時を行な
う第一の計時手段とを有し、該人体検知手段が検
知したことをもつて在室と判定し不検知の状態が
一定時間ｔ１継続したことをもつて不在と判定す
る第一の判定手段を有する在室検知器において、
部屋の扉の開閉を検出する扉開閉検出手段と、該
扉開閉検出手段により扉が閉つたことを検出した
時から計時を行なう第二の計時手段と、扉が閉つ
た時から一定時間ｔ２経過した時点における前記
人体検知手段の検知信号が検知であるかまたは、
不検知であることに対応して入室状態または退室
状態と判定する第二の判定手段とを備えるととも
に、第二の判定手段が入室状態と判定している間
に第一の判定手段が不在と判定した場合に異常状
態として警報を発する警報手段を備えたことを特
長とする在室検知器。 It has a human body detection means that detects the movement of a human body, and a first time measurement means that measures time while the human body detection means is not detected, and when the human body detection means detects the movement, it is determined that the human body is present in the room. In a room occupancy detector having a first determination means that determines that the room is absent when the undetected state continues for a certain period of time t1 ,
A door opening/closing detection means for detecting the opening/closing of a door in a room, a second clocking means for measuring time from the time when the door opening/closing detection means detects that the door is closed, and a fixed time t 2 from the time the door is closed. The detection signal of the human body detection means after the elapsed time is a detection, or
and a second determining means that determines that the room is in the room or leaving the room in response to non-detection, and the first determining means determines that the room is not present while the second determining means determines that the room is in the room. A room occupancy detector characterized by being equipped with an alarm means that issues an alarm as an abnormal state when it is determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3506788U JPH01138197U (en) | 1988-03-16 | 1988-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3506788U JPH01138197U (en) | 1988-03-16 | 1988-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01138197U true JPH01138197U (en) | 1989-09-21 |
Family
ID=31261724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3506788U Pending JPH01138197U (en) | 1988-03-16 | 1988-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138197U (en) |
-
1988
- 1988-03-16 JP JP3506788U patent/JPH01138197U/ja active Pending
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