DE20005762U1 - Sensor with a temperature-dependent measuring element - Google Patents

Sensor with a temperature-dependent measuring element

Info

Publication number
DE20005762U1
DE20005762U1 DE20005762U DE20005762U DE20005762U1 DE 20005762 U1 DE20005762 U1 DE 20005762U1 DE 20005762 U DE20005762 U DE 20005762U DE 20005762 U DE20005762 U DE 20005762U DE 20005762 U1 DE20005762 U1 DE 20005762U1
Authority
DE
Germany
Prior art keywords
sensor according
measuring element
shaped body
rotationally symmetrical
quartz glass
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
DE20005762U
Other languages
German (de)
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.)
Heraeus Electro Nite International NV
Original Assignee
Heraeus Electro Nite International NV
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 Heraeus Electro Nite International NV filed Critical Heraeus Electro Nite International NV
Priority to DE20005762U priority Critical patent/DE20005762U1/en
Publication of DE20005762U1 publication Critical patent/DE20005762U1/en
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
    • G01K7/18—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 linear resistance, e.g. platinum resistance thermometer
    • 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
    • G01K1/08—Protective devices, e.g. casings
    • G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Sensor mit einem temperaturabhängigen Messelement zur Temperaturmessung, das im Inneren eines der Messung zugewandten Endes eines Quarzglasrohres angeordnet ist, wo­ bei durch das andere Ende des Quarzglasrohres eine Anschlussleitung des Messelements nach außen geführt ist, dadurch gekennzeichnet, dass das Quarzglasrohr (3) von einem Schutz-Rohr (4) aus Metall umgeben ist, welches an seinem der Messung zugewandten Ende (7) mit einem rotationssymmetrischen Formkörper (8) verschlossen ist, wobei zwi­ schen dem rotationssymmetrischen Formkörper (8) und dem Messelement (1) ein Ab­ standshalter (5) aus elektrisch isolierendem Werkstoff vorgesehen ist.1.Sensor with a temperature-dependent measuring element for temperature measurement, which is arranged in the interior of one end of a quartz glass tube facing the measurement, where a connecting line of the measuring element is led through the other end of the quartz glass tube, characterized in that the quartz glass tube ( 3 ) from a protective tube ( 4 ) is surrounded by metal, which is closed at its end facing the measurement ( 7 ) with a rotationally symmetrical shaped body ( 8 ), between the rotationally symmetrical shaped body ( 8 ) and the measuring element ( 1 ) from a spacer ( 5 ) is provided from electrically insulating material. 2. Sensor nach Anspruch 1, dadurch gekennzeichnet, dass der rotationssymmetrische Form­ körper (8) in das Ende (7) des Schutz-Rohres (4) eingepresst ist und formschlüssig gehalten wird.2. Sensor according to claim 1, characterized in that the rotationally symmetrical shaped body ( 8 ) is pressed into the end ( 7 ) of the protective tube ( 4 ) and is held in a form-fitting manner. 3. Sensor nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der rotationssymmetrische Formkörper (8) als Kugel ausgebildet ist.3. Sensor according to claim 1 or 2, characterized in that the rotationally symmetrical shaped body ( 8 ) is designed as a ball. 4. Sensor nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Abstands­ halter (5) aus Glimmer besteht.4. Sensor according to one of claims 1 to 3, characterized in that the spacer ( 5 ) consists of mica. 5. Sensor nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Schutz-Rohr (4) aus Edelstahl besteht.5. Sensor according to one of claims 1 to 4, characterized in that the protective tube ( 4 ) consists of stainless steel. 6. Sensor nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der rotations­ symmetrische Formkörper (8) aus Edelstahl besteht. 6. Sensor according to one of claims 1 to 5, characterized in that the rotationally symmetrical shaped body ( 8 ) consists of stainless steel. 7. Sensor nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass als Messelement (1) ein Platin-Dünnschicht-Widerstand eingesetzt ist, dessen Anschlussleiter (10, 11) inner­ halb des Quarzglasrohres gegeneinander durch einen langgestreckten Zwischensteg (12) voneinander isoliert sind.7. Sensor according to one of claims 1 to 6, characterized in that a platinum thin-film resistor is used as the measuring element ( 1 ), the connecting conductors ( 10 , 11 ) insulated from one another within the quartz glass tube by an elongated intermediate web ( 12 ) are. 8. Sensor nach einem der Anspruch 7, dadurch gekennzeichnet, dass der Zwischensteg (12) aus Glimmer besteht.8. Sensor according to one of claim 7, characterized in that the intermediate web ( 12 ) consists of mica.
DE20005762U 2000-03-29 2000-03-29 Sensor with a temperature-dependent measuring element Expired - Lifetime DE20005762U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20005762U DE20005762U1 (en) 2000-03-29 2000-03-29 Sensor with a temperature-dependent measuring element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20005762U DE20005762U1 (en) 2000-03-29 2000-03-29 Sensor with a temperature-dependent measuring element

Publications (1)

Publication Number Publication Date
DE20005762U1 true DE20005762U1 (en) 2001-05-10

Family

ID=7939489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20005762U Expired - Lifetime DE20005762U1 (en) 2000-03-29 2000-03-29 Sensor with a temperature-dependent measuring element

Country Status (1)

Country Link
DE (1) DE20005762U1 (en)

Similar Documents

Publication Publication Date Title
DE3006584C2 (en)
EP0590449B1 (en) Calorimetric flow monitor
DE19512111C2 (en) Heat transfer control and / or measuring device
EP0149416A2 (en) Thermometer to measure the temperature in media of poor convection
DE20002618U1 (en) Fast thermally conductive construction for electronic thermometer
DE20103966U1 (en) Breath flow sensor
DE20005762U1 (en) Sensor with a temperature-dependent measuring element
DE2255837A1 (en) TEMPERATURE SENSOR
DE3112144A1 (en) "Thermal flowmeter"
DE19705645A1 (en) Spoon with incorporated temperature measuring device
DE1573098B1 (en) Device for measuring weak gas flows, preferably in a gas analyzer
DE944035C (en) Method and device for measuring paramagnetic gas components
DE901001C (en) Resistance thermometer for high temperatures
DE102011083240A1 (en) Temperature sensor for measuring temperature of e.g. liquid medium, has metallic measuring element that borders pressure sensor, where sensor is utilized for detecting pressure caused by thermal expansion of measuring element
AT120795B (en) Device for determining the amount of heat given off by a radiator.
DE7233371U (en) RESISTANCE THERMOMETERS FOR HOUSEHOLD HEATERS
DE574977C (en) Device for determining the surface temperatures of moving objects made of hard metal
DE1473298A1 (en) Resistance thermometer
DE1473254A1 (en) Resistance thermometer
DE7245666U (en) Calorimetric flow meter
CH315354A (en) Temperature-dependent dwarf resistance element
DE8331904U1 (en) HERMETICALLY ENCLOSED TEMPERATURE PROBE WITH SHORT RESPONSE TIME, ESPECIALLY FOR MEASURING SURFACE TEMPERATURES
DD161140A1 (en) TEMPERATURE MEASURING ELEMENT FOR RADIOSONDS
DE20011022U1 (en) Device for the simultaneous measurement of gas intakes and associated heat effects
DE1573233A1 (en) Measuring head for an immersion thermocouple

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010613

R150 Term of protection extended to 6 years

Effective date: 20030320

R151 Term of protection extended to 8 years

Effective date: 20060331

R158 Lapse of ip right after 8 years

Effective date: 20081001