Temperature sensor needless accurate heating-up temperature control device and method
Title:
Temperature sensor needless accurate heating-up temperature control device and method
Application Number:
200510135478
Application Date:
2005/12/31
Announcement Date:
2007/07/04
Pub. Date:
Publication Number:
1991654
Announcement Number:
Grant Date:
Granted Pub. Date:
ApplicationType:
Invention
State/Country:
11[China|beijing]
IPC:
G05D 23/19, G05D 23/24
Applicant(s):
Boao Biotech Co., Ltd.
Inventor(s):
Guo Min, Shen Keyue, Zhou Cheng, Guan Xiaosheng, Cheng Jing
Key Words:
Temperature sensor needless, accurate heating-up, temperature control, device, method
Abstract:
A precise heating temperature control device and method without temperature sensor are disclosed that belongs to temperature measuring technique field, the characteristics are those: the controller obtains the practical temperature by measuring the resistance of the heating elements, when the practical temperature is lower than the target temperature, and the heating elements are pulse heated, and the practical temperature of heating elements are controlled at allowed extent. The invention does not need the additional temperature sensor and the resistance matched with the bridge, and it has simple structure, low cost, and accurate control temperature, and it can be used in any occasion that the temperature control is realized by resistance hater.
Claim:
Priority:
PCT:
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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