发明名称 |
Refrigerating apparatus and refrigerator control and brushless motor starter used in same |
摘要 |
When a lock detector detects a locked state of a DC motor in a starting stage, a torque increasing circuit immediately selects a starting sequence pattern of an output torque that is greater in magnitude by one preselected step, and outputs the selected output torque to a starting sequence controller, so that a compressor can be restarted speedily without repeating starting failures. A compressor, driven by a DC motor, has a shell of an internal pressure approximately equal to the pressure of an inhalation gas. An inverter is provided to make the speed of the DC motor variable. A rotational frequency setting circuit sets the rotational frequency of the DC motor to a frequency that is not greater than the frequency of a commercial power source when the internal temperature of a refrigerator is stabilized. By this construction, the power consumption can be remarkably reduced.
|
申请公布号 |
US5970733(A) |
申请公布日期 |
1999.10.26 |
申请号 |
US19980175569 |
申请日期 |
1998.10.20 |
申请人 |
MATSUSHITA REFRIGERATION COMPANY |
发明人 |
HAMAOKA, KOUJI;OGAWA, KEIJI;SHIBUYA, KOYO;SATOMURA, TAKASHI;OGAHARA, HIDEHARU;TSUJII, YASUHIRO;KURIMOTO, KAZUNORI |
分类号 |
F25B1/00;F25B1/04;F25B31/00;F25B49/02;H02P1/46;H02P6/18;H02P6/20;(IPC1-7):F25B1/00 |
主分类号 |
F25B1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|