JPH01105334U - - Google Patents
Info
- Publication number
- JPH01105334U JPH01105334U JP20124687U JP20124687U JPH01105334U JP H01105334 U JPH01105334 U JP H01105334U JP 20124687 U JP20124687 U JP 20124687U JP 20124687 U JP20124687 U JP 20124687U JP H01105334 U JPH01105334 U JP H01105334U
- Authority
- JP
- Japan
- Prior art keywords
- amount
- reference current
- power supply
- breaker
- load
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Emergency Alarm Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図はこの考案の使用電力チエツク装置のブ
ロツク図、第２図及び第３図はこの考案の使用電
力チエツク装置を電力供給回路へ接続した状態を
示す図、第４図は従来の電力供給回路を示す図で
ある。
図中符号１は商用電源、２は電力供給回路、３
は負荷、４はブレーカ、８は使用電流計測手段、
９は制御手段、１０は基準電流設定手段、１１は
警報手段である。
Figure 1 is a block diagram of the power usage checking device of this invention, Figures 2 and 3 are diagrams showing the state in which the power usage checking equipment of this invention is connected to a power supply circuit, and Figure 4 is a diagram of a conventional power supply circuit. It is a diagram showing a circuit. In the figure, code 1 is a commercial power supply, 2 is a power supply circuit, and 3
is the load, 4 is the breaker, 8 is the current measuring means used,
9 is a control means, 10 is a reference current setting means, and 11 is an alarm means.
Claims (1)
電力供給回路に接続される使用電流計測手段と、
前記ブレーカが作動する作動電流量以下の基準電
流量を設定可能な基準電流設定手段と、この基準
電流量と負荷の使用電流量とを比較しブレーカが
作動する前に警報手段を駆動する制御手段とから
なることを特徴とする使用電力チエツク装置。 a used current measuring means connected to a power supply circuit having a breaker and supplying power from the power supply to the load;
a reference current setting means capable of setting a reference current amount that is less than the operating current amount at which the breaker operates; and a control means that compares the reference current amount with the amount of current used by the load and drives the alarm means before the breaker operates. A power usage check device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20124687U JPH01105334U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20124687U JPH01105334U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105334U true JPH01105334U (en) | 1989-07-17 |
Family
ID=31491616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20124687U Pending JPH01105334U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105334U (en) |
-
1987
- 1987-12-29 JP JP20124687U patent/JPH01105334U/ja active Pending
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