Title:
TEMPERATURE CONTROL SYSTEM TUNED TO ROOM TEMPERATURE
Document Type and Number:
Japanese Patent JPS60153517
Kind Code:
A
Abstract:
PURPOSE:To attain control for obtaining an optimum temperature for a short time by supplying a reference signal from a temperature detecting sensor arranged in a single room to a blidge circuit and executing temperature control tuned to each room temperature to be controlled on the basis of a potential difference signal. CONSTITUTION:A room temperature sensor 24 detects the peripheral temperature of a machine tool 20 and sends its voltage output to blidge circuits 32a-32d through output terminals 30a-30d of a distributer 28. On the other hand, objective sensors 34a-34d are arranged in oil tanks 42a-42d, detect the practical temperature of oil stored in each room and supply the detected voltage signal to the circuits 32a-32d. Consequently, the circuits 32a-32d control the balance between output signals on the distributer 28 side and output signals on the sensor 34a-34d side. In case of unbalanced state, the controllers 40a-40d supply an output previously set up in accordance with the voltage between A and B to heaters 44a-44d to heat oil in each room up to a prescribed temperature.
Inventors:
HIRATA TATSUYA
TAKIGUCHI HISATOMI
YAMADA HIDEYUKI
TAKIGUCHI HISATOMI
YAMADA HIDEYUKI
Application Number:
JP895084A
Publication Date:
August 13, 1985
Filing Date:
January 20, 1984
Export Citation:
Assignee:
TOSHIBA MACHINE CO LTD
International Classes:
G05D23/00; G05D23/24; (IPC1-7): G05D23/20
Domestic Patent References:
| JPS4716011A |
Attorney, Agent or Firm:
Takehiro Chiba