FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering and can be used as control unit for process of pumping, liquid nitrogen filling as well as for freezing of vacuum traps. Technical result is achieved by the fact that control unit of stationary coolant feed device additionally comprises a second control channel as well as the first control channel, consisting of a power controller connected with electric heater to be mounted in the first Dewar vessel at the distance of 0-10 mm from the bottom, each of the control channels comprises additionally start unit, holding unit, load transfer unit, monitoring unit, indication panel, liquid nitrogen level sensor to be installed in appropriate Dewar vessel by 30-50 mm above the heater.
EFFECT: technical result consists in improvement of regulated power and expansion of functional capabilities.
1 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| COOLANT SUPPLY DEVICE CONTROL UNIT | 2015 |
|
RU2599822C1 |
| CONTROLLED REFRIGERANT SUPPLY DEVICE | 2023 |
|
RU2808894C1 |
| DEVICE FOR MAINTAINING LIQUID LEVEL OF REFRIGERANT IN RESERVOIR | 0 |
|
SU1532908A1 |
| LIQUID LEVEL REGULATOR | 0 |
|
SU612213A1 |
| CRYOGENIC APPARATUS | 2003 |
|
RU2251988C1 |
| THERMOSTATTING UNIT | 0 |
|
SU983403A1 |
| CRYOGENIC CONDENSATING DEVICE FOR SAMPLING AIR WITH IMPURITIES | 0 |
|
SU920439A1 |
| 0 |
|
SU1779961A1 | |
| DEVICE FOR CONTROLLING LEVEL OF REFRIGERATING MEDIUM IN VESSEL | 0 |
|
SU1308994A1 |
| PHASED POWER CONTROLLER | 2006 |
|
RU2298217C1 |
