FIELD: mining industry. SUBSTANCE: essence of the invention consists in that device allows protection from overloading of electric installation members, units and instruments and prevention of sparking in electric wiring by simple technical means. Device has memory unit and rectifier. Variable-induction pickup is connected through amplifier with memory unit whose output is connected to information input of indicator unit; the power supply unit is connected through rectifier, stabilizer diode and limiting resistor to indicator, unit, memory unit and amplifier. EFFECT: prevented explosion and emergency situations due to timely detection of sparking in point of unsafe electric contacts. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR CONTROLLING SPARK-SAFETY OF ELECTRIC NETWORKS | 2003 |
|
RU2243381C1 |
| ELECTRIC HEATER POWER CONTROL DEVICE | 1995 |
|
RU2090014C1 |
| ELECTRONIC THERMOREGULATOR FOR ELECTRIC IRON | 1992 |
|
RU2078371C1 |
| ELECTRIC IRON NO-MOVING WARNING DEVICE | 1992 |
|
RU2051473C1 |
| SAFETY DEVICE FOR DEENERGIZING OF ELECTRIC PRESSING IRON | 1992 |
|
RU2074272C1 |
| METHOD AND DEVICE FOR ENSURING SPARK-SAFETY | 1993 |
|
RU2071570C1 |
| VOLTAGE CONTROL DEVICE | 1990 |
|
RU2022274C1 |
| 0 |
|
SU541037A1 | |
| DEVICE FOR TESTING UNITS OF RELAY PROTECTION AND AUTOMATION | 1986 |
|
RU1478884C |
| DEVICE FOR DRAINING CHARGES OF STATIC ELECTRICITY | 0 |
|
SU1684944A2 |
