JPS6454221U - - Google Patents
Info
- Publication number
- JPS6454221U JPS6454221U JP14725687U JP14725687U JPS6454221U JP S6454221 U JPS6454221 U JP S6454221U JP 14725687 U JP14725687 U JP 14725687U JP 14725687 U JP14725687 U JP 14725687U JP S6454221 U JPS6454221 U JP S6454221U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- thermally responsive
- heater
- driving
- responsive switch
- 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
- 230000031070 response to heat Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Keying Circuit Devices (AREA)
Description
第1図はこの考案の第1の実施例の構成を示す
回路図、第2図はこの考案の第2の実施例の構成
を示す回路図、第3図は第1の実施例に残る問題
点の説明図、第4図はこの考案の第3の実施例の
構成を示す回路図、第5図は従来の負荷切替装置
の構成を示す回路図である。
1……電源、2……電源スイツチ、3……第1
の負荷、4……第2の負荷、5……リレーのコイ
ル、6……リレーの切替スイツチ、7……熱応動
スイツチ開成駆動用ヒータ、8……熱応動スイツ
チ。
Fig. 1 is a circuit diagram showing the configuration of the first embodiment of this invention, Fig. 2 is a circuit diagram showing the structure of the second embodiment of this invention, and Fig. 3 shows problems remaining in the first embodiment. FIG. 4 is a circuit diagram showing the configuration of a third embodiment of this invention, and FIG. 5 is a circuit diagram showing the configuration of a conventional load switching device. 1...Power supply, 2...Power switch, 3...First
load, 4... Second load, 5... Relay coil, 6... Relay changeover switch, 7... Heater for driving the thermally responsive switch to open, 8... Thermal responsive switch.
Claims (1)
に第1および第2の負荷の一端とリレーのコイル
の一端と熱応動スイツチ開成駆動用ヒータの一端
とをそれぞれ接続し、前記電源および電源スイツ
チの直列回路の他端に前記リレーの切替スイツチ
の共通接点と前記熱応動スイツチ開成駆動用ヒー
タの他端とをそれぞれ接続し、前記切替スイツチ
の常閉接点に前記第1の負荷の他端を接続すると
ともに前記切替スイツチの常開接点に前記第2の
負荷の他端および前記リレーのコイルの他端を接
続し、前記切替スイツチの共通接点と常開接点と
の間に前記熱応動スイツチ開成駆動用ヒータの発
熱に応答して開成する熱応動スイツチを接続した
負荷切替装置。 (2) 前記電源および電源スイツチの直列回路の
他端および前記切替スイツチの共通接点と前記熱
応動スイツチ開成駆動用ヒータの他端および前記
熱応動スイツチとの間にダイオードを挿入接続し
た実用新案登録請求の範囲第(1)項記載の負荷切
替装置。 (3) 前記熱応動スイツチ開成駆動用ヒータの一
端と前記電源および電源スイツチの直列回路の一
端との間に抵抗を挿入接続し、前記熱応動スイツ
チ開成駆動用ヒータおよび抵抗の接続点と前記切
替スイツチの共通接点との間に定電圧ダイオード
を接続した実用新案登録請求の範囲第(2)項記載
の負荷切替装置。[Claims for Utility Model Registration] (1) One end of the first and second loads, one end of the relay coil, and one end of the heater for driving the opening of the thermally responsive switch are connected to one end of the series circuit of the power supply and power switch, respectively. The common contact of the changeover switch of the relay and the other end of the heater for opening the thermally responsive switch are connected to the other end of the series circuit of the power supply and the power switch, and the normally closed contact of the changeover switch is connected to the other end of the changeover switch of the relay. At the same time, the other end of the second load and the other end of the coil of the relay are connected to the normally open contact of the changeover switch, and the common contact and the normally open contact of the changeover switch are connected. A load switching device in which a thermally responsive switch that opens in response to heat generated by the heater for driving the thermally responsive switch to open is connected therebetween. (2) Registration of a utility model in which a diode is inserted and connected between the other end of the series circuit of the power supply and the power switch, the common contact of the changeover switch, and the other end of the heater for driving the opening of the thermally responsive switch, and the thermally responsive switch. A load switching device according to claim (1). (3) A resistor is inserted and connected between one end of the heater for driving the thermally responsive switch to open and one end of the series circuit of the power supply and the power switch, and a connection point between the heater and the resistor for driving the thermally responsive switch to open and the switching point. The load switching device according to claim (2) of the utility model registration, wherein a constant voltage diode is connected between a common contact point of the switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14725687U JPH0633615Y2 (en) | 1987-09-26 | 1987-09-26 | Load switching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14725687U JPH0633615Y2 (en) | 1987-09-26 | 1987-09-26 | Load switching device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6454221U true JPS6454221U (en) | 1989-04-04 |
JPH0633615Y2 JPH0633615Y2 (en) | 1994-08-31 |
Family
ID=31417488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14725687U Expired - Lifetime JPH0633615Y2 (en) | 1987-09-26 | 1987-09-26 | Load switching device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0633615Y2 (en) |
-
1987
- 1987-09-26 JP JP14725687U patent/JPH0633615Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0633615Y2 (en) | 1994-08-31 |