JPS63184364U - - Google Patents
Info
- Publication number
- JPS63184364U JPS63184364U JP7531887U JP7531887U JPS63184364U JP S63184364 U JPS63184364 U JP S63184364U JP 7531887 U JP7531887 U JP 7531887U JP 7531887 U JP7531887 U JP 7531887U JP S63184364 U JPS63184364 U JP S63184364U
- Authority
- JP
- Japan
- Prior art keywords
- combustion equipment
- relay
- voltage
- power supply
- supply voltage
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Sources (AREA)
- Safety Devices In Control Systems (AREA)
Description
第１図は本考案による装置の回路図。
１，２はコンパレータ、３はツエナーダイオー
ド、４，５，６，７，８は抵抗、９は燃焼機器を
制御する複数のリレー、１０はリレー電源を遮断
できるリレー、１０ａはその接点、１１はトラン
ジスタ。
FIG. 1 is a circuit diagram of a device according to the present invention. 1 and 2 are comparators, 3 is a Zener diode, 4, 5, 6, 7, and 8 are resistors, 9 is a plurality of relays that control combustion equipment, 10 is a relay that can cut off the relay power, 10a is its contact, 11 is transistor.
Claims (1)
基準電圧を得るためのツエナーダイオード３と、
該ツエナーダイオード３に流れる電流を制限する
抵抗Ｒ１４と、燃焼機器を制御する複数のリレー
９の駆動電源である電源電圧ＥＲを分圧するため
の抵抗Ｒ２５、Ｒ３６と、マイコン動作用の電源
電圧ＥＭを分圧するための抵抗Ｒ４７、Ｒ５８と
、燃焼機器を制御する複数のリレーの駆動電源を
遮断することのできるリレー電源遮断リレー１０
と、当該リレーを駆動するためのトランジスタ１
１を具備することにより、電圧の異常な上昇によ
りマイコンが破壊された場合、あるいは、燃焼機
器を制御するリレー９が破壊された場合でも、燃
焼機器を安全に停止させるようにしたことを特徴
とする燃焼機器コントローラ用の電源電圧監視回
路。 Comparators 1 and 2 having a voltage comparison function,
a Zener diode 3 for obtaining a reference voltage;
A resistor R14 that limits the current flowing through the Zener diode 3, resistors R25 and R36 that divides the power supply voltage ER that is the drive power source for the plurality of relays 9 that control the combustion equipment, and a power supply voltage EM for operating the microcomputer. Resistors R47 and R58 for voltage division, and a relay power cutoff relay 10 that can cut off the drive power of a plurality of relays that control combustion equipment.
and transistor 1 for driving the relay.
1, the combustion equipment can be safely stopped even if the microcomputer is destroyed due to an abnormal increase in voltage or the relay 9 that controls the combustion equipment is destroyed. Power supply voltage monitoring circuit for combustion equipment controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7531887U JPH0435716Y2 (en) | 1987-05-19 | 1987-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7531887U JPH0435716Y2 (en) | 1987-05-19 | 1987-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63184364U true JPS63184364U (en) | 1988-11-28 |
| JPH0435716Y2 JPH0435716Y2 (en) | 1992-08-24 |
Family
ID=30921348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7531887U Expired JPH0435716Y2 (en) | 1987-05-19 | 1987-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435716Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122969A (en) * | 1997-06-30 | 1999-01-26 | Noritz Corp | Safety device of hot water supply apparatus |
-
1987
- 1987-05-19 JP JP7531887U patent/JPH0435716Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122969A (en) * | 1997-06-30 | 1999-01-26 | Noritz Corp | Safety device of hot water supply apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435716Y2 (en) | 1992-08-24 |