JPS61147491U - - Google Patents
Info
- Publication number
- JPS61147491U JPS61147491U JP2881685U JP2881685U JPS61147491U JP S61147491 U JPS61147491 U JP S61147491U JP 2881685 U JP2881685 U JP 2881685U JP 2881685 U JP2881685 U JP 2881685U JP S61147491 U JPS61147491 U JP S61147491U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- sensitive
- buzzer
- alarm device
- circuit
- 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 2
- 230000004913 activation Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Alarm Devices (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は従来の温度感応警報装置を示す回路図であ
る。
図において１４は駆動回路、１５はブザー、１
８は温度感知装置、１９，２０は温度感応可変抵
抗素子（サーミスタ）である。図中同一符号は同
一或は相当部分を示す。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional temperature sensitive alarm device. In the figure, 14 is a drive circuit, 15 is a buzzer, 1
8 is a temperature sensing device, and 19 and 20 are temperature sensitive variable resistance elements (thermistors). The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
に応じ付勢される駆動回路と、この駆動回路の付
勢によつて駆動されるブザーとを備えた温度感応
警報装置において、上記ブザーの音量調整抵抗に
温度感応可変抵抗素子を用いたことを特徴とする
温度感応警報装置。 (2) 上記駆動回路は、温度感知装置による所定
温度以上の検知に応じて付勢される回路である実
用新案登郎請求の範囲第１項記載の温度感応警報
装置。 (3) 上記温度感応可変抵抗素子は温度上昇に応
じ抵抗値が減じ、上記ブザーに直列に接続される
ものである実用新案登録請求の範囲第２項記載の
温度感応警報装置。 (4) 上記温度感応可変抵抗素子は、温度上昇に
応じ抵抗が増加し、上記ブザーに並列に接続され
るものである実用新案登録請求の範囲第２項記載
の温度感応警報装置。 (5) 上記駆動回路は付勢に応じ、所定のデユー
テイサイクルのオン、オフ出力によつて上記ブザ
ーを駆動する回路である実用新案登録請求の範囲
第１ないし第４項の何れかに記載の温度感応警報
装置。[Claims for Utility Model Registration] (1) A temperature sensitive sensor comprising a drive circuit that is activated in response to detection of a temperature outside a predetermined temperature range by a temperature sensing device, and a buzzer that is activated by the activation of this drive circuit. A temperature-sensitive alarm device, characterized in that a temperature-sensitive variable resistance element is used as a volume adjustment resistor of the buzzer. (2) The temperature-sensitive alarm device according to claim 1, wherein the drive circuit is a circuit that is energized in response to detection of a predetermined temperature or higher by a temperature sensing device. (3) The temperature-sensitive alarm device according to claim 2, wherein the temperature-sensitive variable resistance element has a resistance value that decreases as the temperature rises and is connected in series to the buzzer. (4) The temperature-sensitive alarm device according to claim 2, wherein the temperature-sensitive variable resistance element has a resistance that increases as the temperature rises and is connected in parallel to the buzzer. (5) The driving circuit is a circuit that drives the buzzer by outputting on/off outputs with a predetermined duty cycle in response to energization. Temperature sensitive alarm device as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2881685U JPS61147491U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2881685U JPS61147491U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61147491U true JPS61147491U (en) | 1986-09-11 |
Family
ID=30527049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2881685U Pending JPS61147491U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61147491U (en) |
-
1985
- 1985-02-28 JP JP2881685U patent/JPS61147491U/ja active Pending
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