DE102009007948A1 - Tubular or rod-like object temperature determining device for use during e.g. air conditioning, has base body detachably attached to tubular or rod-like object, and temperature sensor attached to base body - Google Patents

Tubular or rod-like object temperature determining device for use during e.g. air conditioning, has base body detachably attached to tubular or rod-like object, and temperature sensor attached to base body Download PDF

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Publication number
DE102009007948A1
DE102009007948A1 DE102009007948A DE102009007948A DE102009007948A1 DE 102009007948 A1 DE102009007948 A1 DE 102009007948A1 DE 102009007948 A DE102009007948 A DE 102009007948A DE 102009007948 A DE102009007948 A DE 102009007948A DE 102009007948 A1 DE102009007948 A1 DE 102009007948A1
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Germany
Prior art keywords
base body
tubular
rod
temperature sensor
temperature
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Ceased
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DE102009007948A
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German (de)
Inventor
Beat Halter
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Individual
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Individual
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Priority to DE102009007948A priority Critical patent/DE102009007948A1/en
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Classifications

    • 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
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • 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
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K2201/00—Application of thermometers in air-conditioning systems

Abstract

The device has a base body (2) detachably attached on a tubular or rod-like object (1), and a temperature sensor (5) attached at the base body. The base body is designed like a clamp and is opened. The base body exhibits a cross section that partly corresponds to an outer contour of the object. The base body consists of a section of an extruded profile. A flat contact is provided between the object and the temperature sensor. Two sensor recorders are provided on the base body with different diameters. An independent claim is also included for a method for determining temperature of a tubular or rod-like object.

Description

Die Erfindung betrifft eine Vorrichtung zum Ermitteln der Temperatur eines rohr- oder stabförmigen Gegenstandes mittels eines Temperatursensors, sowie ein Verfahren zu deren Herstellung.The The invention relates to a device for determining the temperature a tubular or rod-shaped Object by means of a temperature sensor, and a method for their production.

Stand der TechnikState of the art

Insbesondere bei industriellen Prozessen sowie in der Heizungs- und Klimatechnik stellt sich häufig die Aufgabe, die Temperatur von durch Rohrleitungen strömenden Fluiden zu erfassen, um die Meswerte beispielsweise an eine Steuer- oder Regelvorrichtung weiterzuleiten. Eine einfache und häufig angewandte Methode besteht darin, lediglich die Oberflächentemperatur der Rohrleitung zu messen, da diese insbesondere bei metallischen Rohrleitungen mit guter Näherung der Fluidtemperatur entspricht.Especially in industrial processes as well as in heating and air conditioning technology often turns the Task, the temperature of fluids flowing through pipelines to capture the measured values, for example, to a control or Forward control device. A simple and frequently used Method is just the surface temperature of the pipeline to measure, since these in particular with metallic pipelines with a good approximation the fluid temperature corresponds.

Temperaturfühler werden aus Kostengründen häufig in zylindrischer Form hergestellt. Daraus ergibt sich die Aufgabe, einen zylindrischen Temperaturfühler an eine zylindrische Rohrleitung zu montieren. Bei direkter Montage, beispielsweise durch Spannbänder, ergibt sich daraus im besten Fall eine Linienberührung, bei nicht exakt paralleler Ausrichtung sogar lediglich eine Punktberührung. Für genaue Messergebnisse ist hingegen eine möglichst grossflächige Ankopplung erforderlich. Eine nicht flächige Ankopplung hat eine schlechte Wärmeübertragung zur Folge, was zu Messfehlern, insbesondere zu zeitlich verzögerter Reaktion des Sensorsignals auf Temperaturänderungen des Fluids bzw. Rohres führt.Temperature sensor will be for cost reasons often produced in cylindrical form. This results in the task a cylindrical temperature sensor to be mounted on a cylindrical pipe. For direct mounting, for example, by tightening straps, this results in the best case a line contact, not exactly parallel Alignment even just a point touch. For accurate measurement results is while one possible large-scale Coupling required. A non-planar coupling has a poor heat transfer as a result, resulting in measurement errors, in particular delayed response the sensor signal on temperature changes of the fluid or pipe leads.

Es sind prismenförmige Zwischenstücke bekannt, welche zumindest eine linienförmige Berührung des Sensors zur Rohrleitung erzwingen. Es ist auch üblich, die thermische Ankopplung durch den Einsatz von Wärmeleitpasten zu verbessern. Weiter lässt sich die Wärmeübertragung durch lokales Entfernen allfälliger Korrosionsschutzanstriche der Rohrleitungen verbessern. All diese Montagemethoden erfüllen die Forderung nach einer guten thermischen Ankopplung nur bedingt und sind entweder zeitaufwändig oder bei Feldmontage fehleranfällig. Die Fehleranfälligkeit ist insbesondere von Bedeutung, da Messungenauigkeiten in der Regel schwierig feststellbar sind, über die Lebensdauer eines Systems aber beispielsweise zu erheblichem Mehrverbrauch an Energie führen können.It are prismatic spacers known, which at least a linear contact of the sensor to the pipeline force. It is also common the thermal coupling through the use of thermal paste to improve. Let go the heat transfer by local removal if necessary Improve corrosion protection of pipes. All these Fulfill assembly methods the requirement for a good thermal coupling only conditionally and are either time consuming or error-prone field mounting. The error rate is particularly important since measurement inaccuracies are usually difficult are ascertainable, about but the life of a system, for example, to considerable Lead to more energy consumption can.

Aufgabetask

Der Neuerung liegt die Aufgabe zugrunde, eine Halterung zu schaffen, welche eine gute thermische Ankopplung gewährleistet, schnell und fehlerunanfällig montierbar ist sowie kostengünstig hergestellt werden kann.Of the Innovation is the object of the invention to provide a holder, which ensures a good thermal coupling, fast and error-resistant mountable is as well as inexpensive can be produced.

Lösung der Aufgabesolution the task

Zur Lösung der Aufgabe führt, dass der Grundkörper am Gegenstand und/oder der Temperatursensor an dem Grundkörper flächig anliegt.to solution the task leads that the main body on the object and / or the temperature sensor on the main body rests flat.

Bevorzugt handelt es sich bei dem Gegenstand um einen offenen, klammerartigen Grundkörper, der mit dem Temperatursensor und/oder dem Gegenstand lösbar verbunden ist.Prefers the item is an open, staple type Body, the releasably connected to the temperature sensor and / or the object is.

Mit dieser Vorrichtung wird ein flächiger Kontakt zwischen Rohr und Fühler hergestellt. Dies ergibt eine gute thermische Ankopplung, auch bei Rohren mit Korrosionsschutzanstrich.With This device is a surface Contact between pipe and bulb produced. This gives a good thermal coupling, even at Pipes with anti-corrosion paint.

Hervorzuheben ist die einfache und schnelle Montage ohne Werkzeug. Der Fühler wird in den Grundkörper eingeschoben und dieser am Rohr aufgeschnappt.highlight is the simple and quick installation without tools. The feeler will into the main body inserted and this snapped on the pipe.

Eine besonders kostengünstige Herstellung des Grundkörpers erfolgt durch Abschnitt eines Aluminium-Strangpressprofil. Aluminium wird wegen guter Wärmeleitfähigkeit bevorzugt.A particularly cost-effective Production of the basic body is done by section of an aluminum extruded profile. aluminum is due to good thermal conductivity prefers.

Der klammerförmige Grundkörper umschliesst das Rohr vorzugsweise um mehr als 180°, damit keine zusätzlichen Montagemittel notwendig sind.Of the bracket-shaped body preferably encloses the tube by more than 180 °, so that no additional Mounting means are necessary.

In einer Variante erfolgt die Fühleraufnahme asymmetrisch an einem der beiden Klammerschenkel, was eine bessere thermische Ankopplung ergibt. In einer weiteren Variante sind zwei Fühleraufnahmen an einem Grundkörper für Fühler mit unterschiedlichen Durchmessern vorgesehen.In a variant takes the feeler recording asymmetrically on one of the two clip legs, which is better thermal coupling results. In another variant are two sensor recordings on a base body for feelers with provided with different diameters.

Figurenbeschreibungfigure description

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung; diese zeigt in ihrer einzigen Figur eine perspektivische Ansicht einer erfindungsgemässen Vorrichtung in Gebrauchslage an einem Rohr 1. Sie besteht im Wesentlichen aus einem Grundkörper 2, der ein Abschnitt aus einem stranggepressten Aluminiumprofil ist. Er umgreift mit einem Klammerstreifen 3 das Rohr 1, wobei dies um etwas mehr als 180° geschieht, sodass keine zusätzlichen Montagehilfsmittel notwendig sind.Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawing; this shows in its single figure a perspective view of an inventive device in the use position on a pipe 1 , It essentially consists of a basic body 2 which is a section of an extruded aluminum profile. He grasps with a clip strip 3 the pipe 1 This is done by slightly more than 180 °, so that no additional installation tools are necessary.

In etwa auf dem Scheitel des Klammerstreifens 3 ist eine Aufnahmemulde 4 vorgesehen, in welcher ein Temperaturfühler 5 liegt. Dieser Temperaturfühler 5 wird durch zwei seitlich angreifende Klemmprofile 6.1 und 6.2, welche bevorzugt einstückig mit dem Klammerstreifen 3 verbunden sind, in der Aufnahmemulde 4 festgelegt.At about the top of the clip strip 3 is a receiving trough 4 provided in which a temperature sensor 5 lies. This temperature sensor 5 is made by two laterally attacking clamping profiles 6.1 and 6.2 which preferably integrally with the clip strip 3 connected in the receiving trough 4 established.

Eine Zuleitung 7 verbindet den Temperaturfühler 5 mit beispielsweise einer Steuer- oder Regeleinrichtung. Bezugszeichenliste 1 Rohr 2 Grundkörper 3 Klammerstreifen 4 Aufnahmemulde 5 Temperaturfühler 6 Klemmungsprofil 7 Zuleitung A supply line 7 connects the temperature sensor 5 with, for example, a control or regulating device. LIST OF REFERENCE NUMBERS 1 pipe 2 body 3 clip strips 4 receiving trough 5 temperature sensor 6 Klemmungsprofil 7 supply

Claims (6)

Vorrichtung zum Ermitteln der Temperatur eines rohr- oder stabförmigen Gegenstandes (1) mittels eines Temperatursensors (5), dadurch gekennzeichnet, dass ein Grundkörper (2) am Gegenstand (1) und/oder der Temperatursensor an dem Grundkörper (2) flächig anliegt.Device for determining the temperature of a tubular or rod-shaped object ( 1 ) by means of a temperature sensor ( 5 ), characterized in that a basic body ( 2 ) on the object ( 1 ) and / or the temperature sensor on the base body ( 2 ) lies flat. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Grundköper (2) klammerartig und offen ausgebildet ist.Device according to claim 1, characterized in that the basic body ( 2 ) is designed clamp-like and open. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Grundkörper (2) lösbar an dem Gegenstand festgelegt ist.Apparatus according to claim 1 or 2, characterized in that the basic body ( 2 ) is releasably fixed to the object. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Grundkörper (2) einen Querschnitt aufweist, der zumindest teilweise einer Aussenkontur des Gegenstandes (1) entspricht.Device according to one of claims 1 to 3, characterized in that the basic body ( 2 ) has a cross section which at least partially corresponds to an outer contour of the object ( 1 ) corresponds. Vorrichtung nach wenigstens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Grundkörper (2) aus einem Abschnitt eines Strangpressprofils besteht.Device according to at least one of claims 1 to 4, characterized in that the basic body ( 2 ) consists of a section of an extruded profile. Verfahren zum Ermitteln der Temperatur eines rohr- oder stabförmigen Gegenstandes (1) mittels eines Temperatursensors (5), dadurch gekennzeichnet, dass von einem Strangpressprofil, dessen Querschnitt zumindest teilweise einer Aussenkontur des Gegenstandes (1) entspricht, ein Abschnitt abgelängt und an diesem der Temperatursensor (5) festgelegt wird.Method for determining the temperature of a tubular or rod-shaped object ( 1 ) by means of a temperature sensor ( 5 ), characterized in that of an extruded profile whose cross-section at least partially an outer contour of the object ( 1 ), a section cut to length and at this the temperature sensor ( 5 ).
DE102009007948A 2009-02-06 2009-02-06 Tubular or rod-like object temperature determining device for use during e.g. air conditioning, has base body detachably attached to tubular or rod-like object, and temperature sensor attached to base body Ceased DE102009007948A1 (en)

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DE102009007948A DE102009007948A1 (en) 2009-02-06 2009-02-06 Tubular or rod-like object temperature determining device for use during e.g. air conditioning, has base body detachably attached to tubular or rod-like object, and temperature sensor attached to base body

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3005348A1 (en) * 2013-05-02 2014-11-07 Jpc Sas THERMAL COLLECTOR WITH COMPENSATION FOR MEASURING OR THERMAL CONTROL DEVICE, THERMOSTAT AND HEATING COVER
CN105299855A (en) * 2015-11-13 2016-02-03 珠海格力电器股份有限公司 Temperature wrap connector assembly, master control board, inner unit and air adjusting device
CN105371430A (en) * 2015-11-16 2016-03-02 格力电器（芜湖）有限公司 Pipeline temperature detecting structure, air conditioner and pipeline temperature detection method
US20160238298A1 (en) * 2015-02-18 2016-08-18 Lennox Industries Inc. Hvac systems and methods with improved stabilization
WO2017140107A1 (en) * 2016-02-18 2017-08-24 浙江正泰电器股份有限公司 Circuit-breaker temperature acquisition device
US20180112900A1 (en) * 2015-02-18 2018-04-26 Lennox Industries Inc. HVAC Systems and Methods with Improved Stabilization
DE102019124604A1 (en) * 2019-09-12 2021-03-18 Endress + Hauser Wetzer Gmbh + Co. Kg Non-invasive thermometer
US20210396594A1 (en) * 2018-10-04 2021-12-23 Endress+Hauser Wetzer Gmbh+Co. Kg Skin-point temperature measurement assembly

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US6334707B1 (en) * 2000-07-19 2002-01-01 Second Source Supply Incorporated Temperature sensing device for test cylinder
EP2098841A1 (en) * 2008-03-07 2009-09-09 Nordgas S.r.l. Temperature sensor for pipes with elastic fixing means

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034111A (en) * 1978-10-03 1980-05-29 British Gas Corp Temperature sensing device and apparatus for balancing wet central heating systems
DE3038956C2 (en) * 1980-09-09 1984-11-22 Elesta AG Elektronik, Bad Ragaz Strap-on sensor for measuring the temperature of an object
DE8329408U1 (en) * 1983-10-12 1984-01-12 Gossen Gmbh, 8520 Erlangen FASTENING DEVICE FOR SENSORS
US5454641A (en) * 1994-01-13 1995-10-03 Ranco Incorporated Of Delaware Temperature transducer assembly
DE4427181A1 (en) * 1994-08-01 1996-02-08 Siemens Ag Thermoelement measuring head holding device
DE19740724A1 (en) * 1996-12-10 1998-06-18 Electrowatt Tech Innovat Corp Temperature sensor for pipework of heating, ventilating, air-conditioning system
US6334707B1 (en) * 2000-07-19 2002-01-01 Second Source Supply Incorporated Temperature sensing device for test cylinder
EP2098841A1 (en) * 2008-03-07 2009-09-09 Nordgas S.r.l. Temperature sensor for pipes with elastic fixing means

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3005348A1 (en) * 2013-05-02 2014-11-07 Jpc Sas THERMAL COLLECTOR WITH COMPENSATION FOR MEASURING OR THERMAL CONTROL DEVICE, THERMOSTAT AND HEATING COVER
US20160238298A1 (en) * 2015-02-18 2016-08-18 Lennox Industries Inc. Hvac systems and methods with improved stabilization
US20180112900A1 (en) * 2015-02-18 2018-04-26 Lennox Industries Inc. HVAC Systems and Methods with Improved Stabilization
US10718556B2 (en) * 2015-02-18 2020-07-21 Lennox Industries Inc. HVAC systems and methods with improved stabilization
CN105299855A (en) * 2015-11-13 2016-02-03 珠海格力电器股份有限公司 Temperature wrap connector assembly, master control board, inner unit and air adjusting device
CN105299855B (en) * 2015-11-13 2018-11-23 珠海格力电器股份有限公司 Temperature sensing package interface module, master control borad, interior machine and the apparatus of air conditioning
CN105371430A (en) * 2015-11-16 2016-03-02 格力电器（芜湖）有限公司 Pipeline temperature detecting structure, air conditioner and pipeline temperature detection method
WO2017140107A1 (en) * 2016-02-18 2017-08-24 浙江正泰电器股份有限公司 Circuit-breaker temperature acquisition device
US20210396594A1 (en) * 2018-10-04 2021-12-23 Endress+Hauser Wetzer Gmbh+Co. Kg Skin-point temperature measurement assembly
US11841277B2 (en) * 2018-10-04 2023-12-12 Endress+Hauser Wetzer Gmbh+Co. Kg Skin-point temperature measurement assembly
DE102019124604A1 (en) * 2019-09-12 2021-03-18 Endress + Hauser Wetzer Gmbh + Co. Kg Non-invasive thermometer

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