DE29823817U1 - Passiver Temperaturfühler - Google Patents

Passiver Temperaturfühler

Info

Publication number
DE29823817U1
DE29823817U1 DE29823817U DE29823817U DE29823817U1 DE 29823817 U1 DE29823817 U1 DE 29823817U1 DE 29823817 U DE29823817 U DE 29823817U DE 29823817 U DE29823817 U DE 29823817U DE 29823817 U1 DE29823817 U1 DE 29823817U1
Authority
DE
Germany
Prior art keywords
temperature sensor
passive temperature
ptc
sensor according
passive
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 - Lifetime
Application number
DE29823817U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Electronics AG
Original Assignee
Siemens Matsushita Components GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Matsushita Components GmbH and Co KG filed Critical Siemens Matsushita Components GmbH and Co KG
Priority to DE29823817U priority Critical patent/DE29823817U1/de
Publication of DE29823817U1 publication Critical patent/DE29823817U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • G01K7/25—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit for modifying the output characteristic, e.g. linearising
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C13/00—Resistors not provided for elsewhere
    • H01C13/02—Structural combinations of resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/022—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/06—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material including means to minimise changes in resistance with changes in temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Thermistors And Varistors (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (5)

1. Passiver Temperaturfühler auf PTC-Basis, dadurch gekennzeichnet, daß wenigstens zwei PTC-Bauelemente (2a, 2b, 2c; 4a, 4b, 4c) so parallel geschaltet sind, daß die sich ergebende Widerstands/Temperatur-Kennlinie über einem definierten Temperaturbereich entweder einen monoton steigenden Wi­ derstandsverlauf oder ein ausgeprägtes Minimum im Wider­ standsverlauf hat.
2. Passiver Temperaturfühler nach Anspruch 1, dadurch gekennzeichnet, daß die PTC-Bauelemente (2a, 2b, 2c; 4a, 4b, 4c) in einem Gehäuse (1) gesintert sind.
3. Passiver Temperaturfühler nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die PTC-Bauelemente (4a, 4b, 4c) durch Keramikschich­ ten (6a, 6b, 6c, 6d) voneinander isoliert sind.
4. Passiver Temperaturfühler nach Anspruch 3, dadurch gekennzeichnet, daß die Keramikschichten (6a, 6b, 6c, 6d) aus Bariumtita­ nat bestehen.
5. Passiver Temperaturfühler nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß PTC-Schichten (4a, 4b, 4c) auf ein Substrat (7) auf­ gebracht sind.
DE29823817U 1998-08-06 1998-08-06 Passiver Temperaturfühler Expired - Lifetime DE29823817U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29823817U DE29823817U1 (de) 1998-08-06 1998-08-06 Passiver Temperaturfühler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29823817U DE29823817U1 (de) 1998-08-06 1998-08-06 Passiver Temperaturfühler
DE19835605 1998-08-06

Publications (1)

Publication Number Publication Date
DE29823817U1 true DE29823817U1 (de) 2000-01-27

Family

ID=26047976

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29823817U Expired - Lifetime DE29823817U1 (de) 1998-08-06 1998-08-06 Passiver Temperaturfühler

Country Status (1)

Country Link
DE (1) DE29823817U1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156037A1 (de) * 2001-11-15 2003-06-05 Behr Hella Thermocontrol Gmbh Verfahren zur Funktionsüberwachung eines elektrischen Heizelements einer Kfz-Zusatzheizung
DE102004063207A1 (de) * 2004-12-23 2006-07-13 E.G.O. Elektro-Gerätebau GmbH Temperatursensor
DE102014107170A1 (de) * 2014-05-21 2015-12-17 Kriwan Industrie-Elektronik Gmbh Messschaltung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156037A1 (de) * 2001-11-15 2003-06-05 Behr Hella Thermocontrol Gmbh Verfahren zur Funktionsüberwachung eines elektrischen Heizelements einer Kfz-Zusatzheizung
DE102004063207A1 (de) * 2004-12-23 2006-07-13 E.G.O. Elektro-Gerätebau GmbH Temperatursensor
DE102014107170A1 (de) * 2014-05-21 2015-12-17 Kriwan Industrie-Elektronik Gmbh Messschaltung
US9863816B2 (en) 2014-05-21 2018-01-09 Kriwan Industrie-Elektronik Gmbh Measurement circuit

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000302

R150 Term of protection extended to 6 years

Effective date: 20010813

R157 Lapse of ip right after 6 years

Effective date: 20050301