JPH0241751Y2 - - Google Patents
Info
- Publication number
- JPH0241751Y2 JPH0241751Y2 JP1984173038U JP17303884U JPH0241751Y2 JP H0241751 Y2 JPH0241751 Y2 JP H0241751Y2 JP 1984173038 U JP1984173038 U JP 1984173038U JP 17303884 U JP17303884 U JP 17303884U JP H0241751 Y2 JPH0241751 Y2 JP H0241751Y2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- buzzer
- gas
- alarm
- detection section
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 29
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案はガス警報戸外ブザー装置に係り、より
詳細には、ガス検出部から通常時に供給される電
圧と異なる警報時の電圧の検出と、ガス検出部か
ら電圧が供給されないことの検出とに応じてガス
検出部から離れた戸外に設けられたブザーを作動
するようになしたガス警報戸外ブザー装置に関す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a gas alarm outdoor buzzer device, and more specifically, detects a voltage at the time of an alarm that is different from the voltage supplied from a gas detection section in normal times; The present invention relates to a gas alarm outdoor buzzer device that operates a buzzer installed outdoors away from a gas detection section in response to detection that no voltage is supplied from the gas detection section.
最近マンシヨンなどの集合住宅には、各戸に設
けられたガス警報器によるガス検出などの有無を
管理人室などにおいて集中監視し、ガス検出など
が行われたときにはブザーを作動して管理人など
に知らせるガス警報戸外ブザー装置が設置される
ようになつてきている。 Recently, in apartment complexes such as condominiums, gas alarms installed in each unit are centrally monitored in the manager's room to check for gas detection, and when gas is detected, a buzzer is activated to alert the manager, etc. Gas alarm outdoor buzzer devices are increasingly being installed.
従来のガス警報システムでは、第２図に示すよ
うに、各戸のAC100V電源コンセントを通じて電
源供給されるガス警報器１からの信号線LSとアー
ス線LEとが戸外ブザー２に接続され、ガス警報
器１から戸外ブザー２に信号線LSを通じて常時所
定電圧が供給されていて、ガス検出時には上記所
定電圧と異なる警報電圧が信号線LSを通じてガス
警報器１から戸外ブザー２に供給され、この警報
電圧の供給に応じて戸外ブザー２が作動されるよ
うになつている。
In the conventional gas alarm system, as shown in Fig. 2, the signal line L S and ground line L E from the gas alarm 1, which is supplied with power through the AC 100V power outlet in each house, are connected to the outdoor buzzer 2, and the gas A predetermined voltage is always supplied from the alarm 1 to the outdoor buzzer 2 through the signal line L S , and when gas is detected, an alarm voltage different from the above predetermined voltage is supplied from the gas alarm 1 to the outdoor buzzer 2 through the signal line L S , The outdoor buzzer 2 is activated in response to the supply of this alarm voltage.
この例の場合、戸外ブザー２はガス警報器１か
ら供給される電圧によつて作動するようになつて
いるため、例えば自損行為などによつてガス警報
器の電源が断たれたり、信号線が切断されたとき
には、戸外ブザー２は作動できなくなるという問
題が生じる。 In this example, the outdoor buzzer 2 is activated by the voltage supplied from the gas alarm 1, so if the power to the gas alarm is cut off due to an act of self-inflicted damage, the signal line When the buzzer 2 is disconnected, a problem arises in that the outdoor buzzer 2 cannot operate.
そこで、ガス警報器の電源断や信号線切断が生
じたときにはこれを検出して戸外ブザーを作動す
るようにした第３図に示すような構成のものが従
来あつた。すなわち、戸外ブザー２側に非常電源
（例えばDC 24V）を独立に設け、ガス警報器１
からの電源供給がなくなつたときに非常電源によ
り戸外ブザー２を作動するようにしている。 Therefore, there has been a conventional device having a configuration as shown in FIG. 3, which detects when the gas alarm is powered off or the signal line is cut off and activates an outdoor buzzer. In other words, an emergency power source (for example, DC 24V) is installed independently on the outdoor buzzer 2 side, and the gas alarm 1
The outdoor buzzer 2 is activated by an emergency power source when the power supply from the outdoor buzzer 2 is cut off.
ところが、この構成の場合、非常電源を別個に
設ける必要があり、しかもその配線は使用者が容
易に遮断できないように隠蔽配線工事をしておく
必要があるため、設備費、工事費が大巾に上昇す
るという新たな問題を生じるようになる。 However, with this configuration, it is necessary to provide a separate emergency power source, and the wiring must be hidden so that the user cannot easily shut it off, which increases equipment and construction costs. This creates a new problem:
よつて本考案は、戸外ブザー側に別個に電源を
設けなくても、ガス検出部からの電圧がなくなつ
たときにブザーを作動することができるようにし
たガス警報戸外ブザー装置を提供することを目的
としている。 Therefore, it is an object of the present invention to provide a gas alarm outdoor buzzer device that is capable of activating the buzzer when the voltage from the gas detection section disappears without having to separately provide a power source on the outdoor buzzer side. It is an object.
上記目的を達成するため本考案により成された
ガス警報戸外ブザー装置は、ガス検出部から通常
時に供給される電圧と異なる警報時の電圧の検出
に応じて前記ガス検出部から離れた戸外に設けら
れたブザーを前記ガス検出部からの電圧を電源と
して作動させると共に、前記ガス検出部から電圧
が供給されないことの検出に応じて前記ブザーを
作動させるようにしたガス警報戸外ブザー装置に
おいて、前記ガス検出部からの電圧によつて充電
されるバツクアツプコンデンサと、前記ガス検出
部から電圧が供給されないことの検出に応じて前
記バツクアツプコンデンサの充電電荷を前記ブザ
ーを通じて放電させるスイツチ手段とを備えるこ
とを特徴としている。
In order to achieve the above object, the gas alarm outdoor buzzer device according to the present invention is installed outdoors away from the gas detection section in response to the detection of a voltage at the time of alarm that is different from the voltage normally supplied from the gas detection section. In the gas alarm outdoor buzzer device, the buzzer is operated using the voltage from the gas detection section as a power source, and the buzzer is operated in response to detection that no voltage is supplied from the gas detection section. A backup capacitor charged by the voltage from the detection section, and a switch means for discharging the charge in the backup capacitor through the buzzer in response to detection that no voltage is supplied from the gas detection section. It is characterized by
上記構成において、バツクアツプコンデンサ
は、常時はガス検出部からの電圧によつて充電さ
れていて、該バツクアツプコンデンサに充電され
ている電荷がガス検出部から電圧が供給されない
ことの検出に応じてスイツチ手段によつてブザー
を通じて放電されることによつてブザーを作動す
るようになつているため、ガス検出部から電圧が
供給されなくなつたときにもその旨を別途電源を
設けることなく警報することができる。 In the above configuration, the backup capacitor is normally charged with the voltage from the gas detection section, and the electric charge stored in the backup capacitor is changed in response to the detection that no voltage is supplied from the gas detection section. Since the buzzer is activated by discharging electricity through the buzzer using the switch means, even when the voltage is no longer supplied from the gas detection section, an alarm to that effect can be issued without the need for a separate power supply. be able to.
以下、本考案によるガス警報戸外ブザー装置の
実施例を第１図に基づいて説明する。
An embodiment of the gas alarm outdoor buzzer device according to the present invention will be described below with reference to FIG.
図において、１０ａ，１０ｂは信号入力端子で
あり、図示しない信号線及びアース線をそれぞれ
介して各戸に設けられているガス検出部としての
ガス警報器に接続される。該入力端子１０ａ，１
０ｂ間には通常時で例えばDC 6V、ガス検出に
よる警報時で例えばDC 12Vの電圧がガス警報器
から供給され、そして電源断や信号線断時には供
給電圧はなくなり0Vとなる。１２は端子１０ａ，
１０ｂ間に接続された信号判別回路であり、端子
１０ａ，１０ｂ間の電圧に基づいてDC 12Vの警
報信号を検出するとその出力にＨレベルの信号を
出力する。 In the figure, reference numerals 10a and 10b are signal input terminals, which are connected to a gas alarm as a gas detection unit provided in each house via a signal line and a ground line (not shown), respectively. The input terminal 10a, 1
Between 0b and 0b, a voltage of, for example, DC 6V is supplied from the gas alarm during normal times, and a voltage of, for example, DC 12V is supplied at the time of alarm due to gas detection, and when the power is cut off or the signal line is cut off, the supplied voltage disappears and becomes 0V. 12 is the terminal 10a,
This is a signal discrimination circuit connected between terminals 10a and 10b, and when it detects a DC 12V alarm signal based on the voltage between terminals 10a and 10b, it outputs an H level signal.
端子１０ａ，１０ｂ間にはダイオードＤと比較
的大容量のバツクアツプコンデンサＣの直列回路
が接続され、ダイオードＤのカソードと端子１０
ｂ間には戸外ブザーＢ及びNPNトランジスタQ1
の直列回路と抵抗R1及びNPNトランジスタQ2の
直列回路とが接続されている。トランジスタQ1
はそのベースが信号判別回路１２の出力に接続さ
れてそのレベルによりオン・オフされ、トランジ
スタQ2はそのベースが抵抗R2を介して端子１０
ａに接続されてそのレベルによりオン・オフされ
る。上記トランジスタQ1のエレクタ・エミツタ
間には、ベースが抵抗R3を介してトランジスタ
Q2のコレクタに接続されているNPNトランジス
タQ3が接続されている。トランジスタQ3はトラ
ンジスタQ2がオン・オフに応じてそれぞれオ
フ・オンする。 A series circuit of a diode D and a relatively large capacity backup capacitor C is connected between the terminals 10a and 10b, and the cathode of the diode D and the terminal 10
An outdoor buzzer B and an NPN transistor Q 1 are connected between
A series circuit of resistor R 1 and an NPN transistor Q 2 is connected. Transistor Q 1
has its base connected to the output of the signal discrimination circuit 12 and is turned on or off depending on its level, and the base of the transistor Q 2 is connected to the terminal 10 via the resistor R 2 .
A and is turned on and off depending on its level. Between the erector and emitter of the above transistor Q1 , the base is connected to the transistor through resistor R3 .
An NPN transistor Q3 is connected to the collector of Q2 . Transistor Q3 turns off and on in response to turning on and off of transistor Q2 , respectively.
以上の構成により、入力端子１０ａ，１０ｂに
通常時のDC 6Vが加えられているときには、バ
ツクアツプコンデンサＣはダイオードＤを通じて
約6Vの電圧に充電される。このとき、トランジ
スタQ2はオンしており、このためトランジスタ
Q3はオフしている。 With the above configuration, when DC 6V is normally applied to the input terminals 10a and 10b, the backup capacitor C is charged through the diode D to a voltage of about 6V. At this time, transistor Q 2 is on, so the transistor
Q 3 is off.
以上の状態で、入力端子１０ａ，１０ｂ間の電
圧が警報時のDC 12Vに上昇すると、信号判別回
路１２はその出力にＨレベルの信号を出力する。
このＨレベルの出力信号に応じてトランジスタ
Q1がオンし、これに応じてダイオードＤ、戸外
ブザーＢ及びトランジスタQ1を通じて電流が流
れてブザーＢが作動され、警報が発せられる。 In the above state, when the voltage between the input terminals 10a and 10b rises to DC 12V at the time of alarm, the signal discrimination circuit 12 outputs an H level signal to its output.
In response to this H level output signal, the transistor
Q 1 turns on, and in response, current flows through diode D, outdoor buzzer B, and transistor Q 1 to activate buzzer B and issue an alarm.
そして、例えば自損行為によりガス警報器の電
源が断されるなどして入力端子１０ａ，１０ｂ間
の電圧が0Vにされると、トランジスタQ2がオフ
し、これに応じてトランジスタQ3がオンする。
従つて、コンデンサＣの充電電荷がブザーＢ、ト
ランジスタQ3を通じて放電されてブザーＢが作
動される。すなわち、入力信号電圧がなくなつた
とき、これに応じてコンデンサＣの充電電荷をブ
ザーＢを通じて放電させるようにトランジスタ
Q3がオンしてブザーを鳴動させて警報を発生す
る。 When the voltage between the input terminals 10a and 10b becomes 0V due to, for example, the gas alarm being powered off due to an act of self-inflicted damage, the transistor Q2 is turned off, and in response, the transistor Q3 is turned on. do.
Therefore, the charge in the capacitor C is discharged through the buzzer B and the transistor Q3 , and the buzzer B is activated. In other words, when the input signal voltage disappears, the transistor is configured to discharge the charge in the capacitor C through the buzzer B.
Q 3 turns on and sounds the buzzer to generate an alarm.
以上説明したように本考案によれば、大容量の
コンデンサ及びその他僅かな部品の追加により、
特別に非常電源を設けることなしに、自損行為な
どによる無電圧信号入力に応じて戸外ブザーを作
動して警報を発することができる。
As explained above, according to the present invention, by adding a large capacity capacitor and a few other parts,
Without installing a special emergency power source, it is possible to activate an outdoor buzzer and issue an alarm in response to a no-voltage signal input due to an act of self-inflicted damage.
第１図は本考案による装置の実施例を示す回路
図、第２図及び第３図は従来のガス警報システム
を示すブロツク図である。
１２……信号判別回路、Q1〜Q3……NPNトラ
ンジスタ、Ｃ……戸外ブザー、Ｂ……バツクアツ
プコンデンサ。
FIG. 1 is a circuit diagram showing an embodiment of the device according to the present invention, and FIGS. 2 and 3 are block diagrams showing a conventional gas alarm system. 12...Signal discrimination circuit, Q1 to Q3 ...NPN transistor, C...Outdoor buzzer, B...Backup capacitor.
Claims (1)
る警報時の電圧の検出に応じて前記ガス検出部か
ら離れた戸外に設けられたブザーを前記ガス検出
部からの電圧を電源として作動させると共に、前
記ガス検出部から電圧が供給されないことの検出
に応じて前記ブザーを作動させるようにしたガス
警報戸外ブザー装置において、前記ガス検出部か
らの電圧によつて充電されるバツクアツプコンデ
ンサと、前記ガス検出部から電圧が供給されない
ことの検出に応じて前記バツクアツプコンデンサ
の充電電荷を前記ブザーを通じて放電させるスイ
ツチ手段とを備えることを特徴とするガス警報戸
外ブザー装置。 In response to the detection of a voltage at the time of alarm that is different from the voltage supplied from the gas detection section during normal times, a buzzer provided outdoors away from the gas detection section is operated using the voltage from the gas detection section as a power source, and the In the gas alarm outdoor buzzer device, the buzzer is activated in response to detection that voltage is not supplied from the gas detection section, which includes: a backup capacitor charged by the voltage from the gas detection section; a switch means for discharging the charge in the backup capacitor through the buzzer in response to detection that voltage is not supplied from the gas alarm outdoor buzzer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984173038U JPH0241751Y2 (en) | 1984-11-16 | 1984-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984173038U JPH0241751Y2 (en) | 1984-11-16 | 1984-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6189995U JPS6189995U (en) | 1986-06-11 |
| JPH0241751Y2 true JPH0241751Y2 (en) | 1990-11-07 |
Family
ID=30730695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984173038U Expired JPH0241751Y2 (en) | 1984-11-16 | 1984-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241751Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585190B2 (en) * | 1975-09-22 | 1983-01-29 | 三井東圧化学株式会社 | Separation and recovery method of unreacted substances in urea synthesis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585190U (en) * | 1981-07-03 | 1983-01-13 | 新コスモス電機株式会社 | external alarm device |
-
1984
- 1984-11-16 JP JP1984173038U patent/JPH0241751Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585190B2 (en) * | 1975-09-22 | 1983-01-29 | 三井東圧化学株式会社 | Separation and recovery method of unreacted substances in urea synthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6189995U (en) | 1986-06-11 |
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