JP5389635B2 - 温度検出システム - Google Patents
温度検出システム Download PDFInfo
- Publication number
- JP5389635B2 JP5389635B2 JP2009294656A JP2009294656A JP5389635B2 JP 5389635 B2 JP5389635 B2 JP 5389635B2 JP 2009294656 A JP2009294656 A JP 2009294656A JP 2009294656 A JP2009294656 A JP 2009294656A JP 5389635 B2 JP5389635 B2 JP 5389635B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature detection
- temperature
- terminal
- voltage
- reference voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims description 127
- 230000002159 abnormal effect Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/005—Circuits arrangements for indicating a predetermined temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
- G01K7/015—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions using microstructures, e.g. made of silicon
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Integrated Circuits (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
20 抵抗
11 温度電圧生成回路
12 基準電圧生成回路
13 コンパレータ
Claims (2)
- 所定の温度になったことを検出すると検出信号を出力する複数の温度検出ICを備える温度検出システムであって、
前記温度検出ICは、
温度に基づく温度電圧を出力する温度電圧生成回路と、
基準電圧を出力する基準電圧生成回路と、
前記温度電圧と前記基準電圧とを入力し、比較結果を前記温度検出ICの出力端子に出力するコンパレータと、
前記コンパレータの前記基準電圧が入力される入力端子と接続した基準電圧端子と、を備え、
前記温度検出ICの出力端子は、次段の温度検出ICの前記基準電圧端子に接続され、前記検出信号を出力していないときはハイインピーダンスである、ことを特徴とする温度検出システム。 - 所定の温度になったことを検出すると検出信号を出力する複数の温度検出ICを備える温度検出システムであって、
前記温度検出ICは、
温度に基づく温度電圧を出力する温度電圧生成回路と、
基準電圧を出力する基準電圧生成回路と、
前記温度電圧と前記基準電圧とを入力し、比較結果を前記温度検出ICの出力端子に出力するコンパレータと、
イネーブル信号が入力されると前記温度検出ICを強制的に前記検出信号を出力している状態にするイネーブル端子と、を備え、
前記温度検出ICの出力端子は、次段の温度検出ICの前記イネーブル端子に接続され、前記検出信号を出力していないときはハイインピーダンスである、ことを特徴とする温度検出システム。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009294656A JP5389635B2 (ja) | 2009-12-25 | 2009-12-25 | 温度検出システム |
| TW099144769A TWI460410B (zh) | 2009-12-25 | 2010-12-20 | Temperature detection system |
| US12/974,956 US8449179B2 (en) | 2009-12-25 | 2010-12-21 | Temperature detection system |
| KR1020100133272A KR101671034B1 (ko) | 2009-12-25 | 2010-12-23 | 온도 검출 시스템 |
| CN201010623180.0A CN102109388B (zh) | 2009-12-25 | 2010-12-24 | 温度检测系统 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009294656A JP5389635B2 (ja) | 2009-12-25 | 2009-12-25 | 温度検出システム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011133419A JP2011133419A (ja) | 2011-07-07 |
| JP5389635B2 true JP5389635B2 (ja) | 2014-01-15 |
Family
ID=44173606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009294656A Expired - Fee Related JP5389635B2 (ja) | 2009-12-25 | 2009-12-25 | 温度検出システム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8449179B2 (ja) |
| JP (1) | JP5389635B2 (ja) |
| KR (1) | KR101671034B1 (ja) |
| CN (1) | CN102109388B (ja) |
| TW (1) | TWI460410B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009058438A (ja) * | 2007-08-31 | 2009-03-19 | Toshiba Corp | 温度検出回路 |
| JP7089203B1 (ja) * | 2021-01-07 | 2022-06-22 | ミツミ電機株式会社 | 温度測定回路及び温度測定装置 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445636A (en) * | 1982-08-25 | 1984-05-01 | American Stabilis, Inc. | Temperature comparison apparatus and methods |
| JPS5976968U (ja) * | 1982-11-16 | 1984-05-24 | 日本警備保障株式会社 | 温度検出装置 |
| US4675770A (en) * | 1985-01-30 | 1987-06-23 | Telefonaktiebolaget L. M. Ericsson | Multiple voltage regulator integrated circuit having control circuits for selectively disabling a voltage regulator in an over-current condition |
| EP0830576A1 (en) * | 1995-06-06 | 1998-03-25 | Rosemount Inc. | Open sensor diagnostic system for temperature transmitter in a process control system |
| JP3149857B2 (ja) * | 1998-09-04 | 2001-03-26 | 日本電気株式会社 | 温度検出機構を有する出力電流調整回路 |
| JP2001141572A (ja) * | 1999-11-15 | 2001-05-25 | Mitsubishi Electric Corp | マイクロコンピュータおよびチップ温度検出方法 |
| JP2001160042A (ja) * | 1999-12-02 | 2001-06-12 | Mitsubishi Electric Corp | 温度センサ搭載のマイクロコンピュータ |
| US6691058B2 (en) * | 2002-04-29 | 2004-02-10 | Hewlett-Packard Development Company, L.P. | Determination of pharmaceutical expiration date |
| JP2004085384A (ja) * | 2002-08-27 | 2004-03-18 | Seiko Epson Corp | 温度センサ回路、半導体集積回路及びその調整方法 |
| US7657772B2 (en) * | 2003-02-13 | 2010-02-02 | International Business Machines Corporation | Thermally aware integrated circuit |
| US7187053B2 (en) * | 2003-06-26 | 2007-03-06 | International Business Machines Corporation | Thermal sensing method and system |
| JP4219750B2 (ja) * | 2003-06-26 | 2009-02-04 | シャープ株式会社 | Icチップの温度保護回路 |
| JP2006349521A (ja) * | 2005-06-16 | 2006-12-28 | Denso Corp | 過熱検出回路および半導体集積回路装置 |
| KR100854452B1 (ko) | 2005-06-30 | 2008-08-27 | 주식회사 하이닉스반도체 | 디지털 온도검출기 및 이를 이용한 오실레이터 회로 |
| US7410293B1 (en) * | 2006-03-27 | 2008-08-12 | Altera Corporation | Techniques for sensing temperature and automatic calibration on integrated circuits |
| US7484886B2 (en) * | 2006-05-03 | 2009-02-03 | International Business Machines Corporation | Bolometric on-chip temperature sensor |
| US8118483B2 (en) * | 2006-06-21 | 2012-02-21 | Intel Corporation | Thermal sensor having toggle control |
| JP4836693B2 (ja) * | 2006-07-06 | 2011-12-14 | 株式会社リコー | 温度検出回路、温度検出回路を有する半導体装置及び温度検出方法 |
| CN101730871A (zh) * | 2007-01-11 | 2010-06-09 | 马维尔国际贸易有限公司 | 温度传感系统 |
| JP4829143B2 (ja) * | 2007-02-17 | 2011-12-07 | セイコーインスツル株式会社 | 温度検出回路 |
| US8237515B2 (en) * | 2007-03-09 | 2012-08-07 | Broadcom Corporation | Crystal oscillator temperature control and compensation |
| JP5060988B2 (ja) * | 2008-02-18 | 2012-10-31 | セイコーインスツル株式会社 | 温度検出回路 |
| US8517605B2 (en) * | 2009-09-18 | 2013-08-27 | Northwestern University | Bimetallic integrated on-chip thermocouple array |
| US8419273B2 (en) * | 2010-05-03 | 2013-04-16 | Sharp Kabushiki Kaisha | Array element for temperature sensor array circuit, temperature sensor array circuit utilizing such array element, and AM-EWOD device including such a temperature sensor array circuit |
| US9317082B2 (en) * | 2010-10-13 | 2016-04-19 | Advanced Micro Devices, Inc. | Controlling operation of temperature sensors |
| JP5263321B2 (ja) * | 2011-02-25 | 2013-08-14 | 株式会社デンソー | 温度検出装置 |
-
2009
- 2009-12-25 JP JP2009294656A patent/JP5389635B2/ja not_active Expired - Fee Related
-
2010
- 2010-12-20 TW TW099144769A patent/TWI460410B/zh not_active IP Right Cessation
- 2010-12-21 US US12/974,956 patent/US8449179B2/en not_active Expired - Fee Related
- 2010-12-23 KR KR1020100133272A patent/KR101671034B1/ko not_active Expired - Fee Related
- 2010-12-24 CN CN201010623180.0A patent/CN102109388B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110074691A (ko) | 2011-07-01 |
| CN102109388B (zh) | 2016-01-20 |
| CN102109388A (zh) | 2011-06-29 |
| TW201140011A (en) | 2011-11-16 |
| KR101671034B1 (ko) | 2016-10-31 |
| US20110158285A1 (en) | 2011-06-30 |
| JP2011133419A (ja) | 2011-07-07 |
| US8449179B2 (en) | 2013-05-28 |
| TWI460410B (zh) | 2014-11-11 |
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