Classifications

• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D23/00—Control of temperature
  • G05D23/19—Control of temperature characterised by the use of electric means
  • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
  • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
  • G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
• • 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
  • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
  • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
  • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
  • G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
  • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
  • G01J5/02—Constructional details
  • G01J5/08—Optical arrangements
  • G01J5/0818—Waveguides
  • G01J5/0821—Optical fibres
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
  • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
  • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
  • G01J5/20—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D23/00—Control of temperature
  • G05D23/19—Control of temperature characterised by the use of electric means
  • G05D23/27—Control of temperature characterised by the use of electric means with sensing element responsive to radiation
• • 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
  • F24D2220/00—Components of central heating installations excluding heat sources
  • F24D2220/04—Sensors
  • F24D2220/042—Temperature sensors
• • 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
  • F24D2220/00—Components of central heating installations excluding heat sources
  • F24D2220/08—Storage tanks

Definitions

• a heating device with at least one sensor unit has already been proposed for detecting at least one temperature in a heating unit, in particular in a supply storage, and with at least one electronic unit for evaluating parameters recorded by means of the sensor unit.
• the invention is based on a heating device with at least one sensor unit for detecting at least one temperature in a heating unit, in particular in a supply storage, and with at least one electronic unit for evaluating parameters recorded by means of the sensor unit.
• the heating device has at least one optical waveguide unit arranged at least partially in the heating unit for transmitting heat radiation to the sensor unit. Due to the inventive design of the heating device can be advantageously allows a low design effort of a temperature detection of a heating device.
• the heating device is part of a heating system. It is also conceivable that the heating device forms the heating system.
• a "sensor unit” is to be understood as meaning, in particular, a unit which is intended to accommodate at least one characteristic and / or one physical property, wherein the recording is active, in particular by generating and
• the heating unit is designed as a supply storage, which is intended to receive a fluid for storing heat energy.
• the heating unit has another, a skilled person appear appropriate design and is intended to convert heat energy from another form of energy.
• the heating unit can be used, for example, as a supply storage, a buffer, a stratified tank, a hot water tank
• Latent heat storage a steam storage, a tank system with a fluid, a hot water boiler or the like. be educated.
• a "detection of at least one temperature in a heating unit” is to be understood as a metrological detection of a temperature at at least one point of the heating unit
• An "optical waveguide unit” is to be understood in particular as a unit for the controlled conduction of light waves.
• the at least one sensor unit comprises at least one sensor element, in particular a CMOS sensor, with at least one sensor surface or a plurality of sensor surfaces.
• CMOS sensor CMOS sensor
• a “sensor element” is to be understood in particular to mean an element which can qualitatively or quantitatively record physical properties, chemical properties and / or material properties and convert it into an electrical signal.
• the sensor element can be designed to be sensitive to light, in particular infrared-sensitive.
• the sensor element is particularly preferably designed as a CMOS sensor. educated.
• CMOS sensor is to be understood as meaning, in particular, a semiconductor sensor for measuring light manufactured using CMOS technology
• the sensor element may likewise be designed as a photodiode, as a photoresistor, as a photocell, as a CCD sensor or the like.
• a photosensitive surface of the sensor element should be understood.
• the optical waveguide unit comprises at least one optical waveguide or a plurality of optical waveguides, which or which rest with at least one end on a sensor element of the sensor unit.
• the sensor unit can advantageously be arranged outside the heating unit.
• a separated evaluation and a simple connection of the optical waveguide unit to the sensor unit can be made possible.
• optical waveguide should be understood to mean a line comprising a largely photoconductive material for the transmission of light, the light-guiding property of which is an extensive transparency of the optical waveguide for a wavelength of light / frequency of light and / or an interval of wavelengths of light / frequency of light and total reflection and / or
• the optical waveguide may be formed of a polymer, a glass, a transparent metal, a transparent ceramic, or another suitable to a person skilled in the art as the fiber, pipe, rod, prism or the like appearing material.
• the at least one optical waveguide or the plurality of optical waveguides is / are designed as an optical fiber.
• a flexible light pipe can advantageously be made possible.
• optical fiber conductor is to be understood as meaning an optical fiber made of glass fiber with a radially continuously or stepwise decreasing refractive index Further, it is conceivable that the at least one optical waveguide or the plurality of optical waveguides are designed as optical waveguide cables with at least one, the optical waveguide at least partially enveloping outer sheath are understood.
• At least one optical waveguide or each of the optical waveguides is connected to a respective separate sensor surface and / or is arranged at a small distance thereto.
• a differentiation of light waves can be advantageously made possible.
• one of the optical waveguides or each of the optical waveguides to be connected to a respective separate sensor area and / or a respective separate sensor element in a material-locking, frictional and / or form-fitting manner.
• the at least one optical waveguide or the plurality of optical waveguides can be fastened to a mechanical device in such a way that thermal radiation exiting from the at least one optical waveguide or from the plurality of optical waveguides is transmitted to a respective sensor element and / or a respective sensor surface at least one sensor element of the sensor unit impinges.
• the sensor surface of the at least one sensor element of the sensor unit can be designed, for example, as a pixel of a CMOS sensor.
• the optical waveguide unit comprises at least one optical waveguide or a plurality of optical waveguides, and for thermal radiation emerging from the at least one optical waveguide or the plurality of optical waveguides to impinge on at least one sensor surface and / or at least one sensor element by means of an optical system.
• a predominantly digital evaluation takes place by means of image processing techniques.
• the optical waveguide unit has a plurality of optical waveguides whose measuring points are arranged distributed at least substantially along a vertical axis of the heating unit. In this way, a multi-point measurement of a temperature distribution of the heating unit can advantageously be made possible.
• a “vertical axis of the heating unit” is to be understood in particular as meaning an axis of a prism body enclosing the heating unit as far as possible, which is oriented parallel to a normal of a prism base surface of the prism body, the vertical axis being oriented in particular substantially parallel to a direction of a gravitational force
• the optical waveguide can be configured as an optical waveguide cable with a plurality of optical waveguides, which are aligned substantially parallel to the vertical axis of the heating unit, wherein each optical waveguide has a different length and / or is produced at different points from the optical waveguide unit with respect to the vertical axis that each optical fiber along the Vertical axis is fluid-tightly connected at different locations with the heating unit.
• the electronic unit is provided to determine a temperature profile along the vertical axis and / or a fill level of the heating unit by means of the parameters detected by the sensor unit.
• a decision basis for a heating process of the heating device can advantageously be provided.
• the electronic unit determines a temperature profile based on radiation intensities of the thermal radiation measured at several points and temperatures derived therefrom.
• the optical waveguide unit has at least one optical waveguide or a plurality of optical waveguides which are or are at least substantially shielded from parasitic radiations, in particular a thermal radiation radiating along a lateral surface of the optical waveguide or the plurality of optical waveguides. This can advantageously ensure a high quality of measurement.
• optical waveguide unit and / or the optical waveguide (s) are a fiber optic cable with a plastic sheath and / or an optical fiber
• the optical waveguide unit is designed as a tubular element with fluid-tight outlet openings tuned to optical waveguides.
• the at least one optical waveguide or the plurality of optical waveguides each have a coupling element for the controlled coupling of thermal radiation.
• heat radiation can advantageously be introduced into the light guide in a controlled manner.
• Advantageously defined measuring conditions can be realized.
• a "coupling-in element" is to be understood as meaning in particular an element which is suitable for coupling radiation, in particular heat radiation, into at least one optical waveguide
• the coupling element may be designed, for example, as a focusing optical element, for example a lens conceivable that the coupling element at least partially limits the heating unit at least fluid-tight. It is also conceivable that the coupling element is formed at least partially reflective and / or totally reflective.
• the coupling-in element to couple heat radiation from a direction that is substantially parallel and / or perpendicular to the vertical axis into at least one optical waveguide. It is conceivable, for example, that the optical waveguide can be connected to the coupling element by means of a plug-in connection, in particular detachable. In principle, however, different embodiments of a coupling element are also possible.
• the optical waveguide unit is connected to the at least one sensor unit by means of an optical interface.
• optical interface is to be understood as meaning, in particular, an interface which permits a two-piece construction of the optical waveguide unit and, in particular, a releasable connection of the optical waveguides
• the heater device according to the present invention may have a different number from a number of individual elements, components, and units referred to herein for performing a functionality as described herein.
• FIG. 1 is a schematic representation of a heating device according to the invention
• Fig. 3 is a schematic representation of an alternative heating device.
• FIG. 1 shows a heating device 10a with at least one sensor unit 12a for detecting at least one temperature in a heating unit 14a and with at least one electronic unit 18a.
• the electronic unit 18a is provided for an evaluation of parameters detected by means of the sensor unit 12a.
• the electronic unit 18a is further provided to determine a temperature profile along the vertical axis 34a and / or a fill level of the heating unit 14a by means of the parameters detected by the sensor unit 12a.
• the sensor unit 12a comprises at least one sensor element 22a with at least one sensor surface 24a or a plurality of sensor surfaces 24a.
• the sensor element 22a is designed as a CMOS sensor.
• the CMOS sensor has a plurality of sensor surfaces 24a.
• the sensor surfaces 24a are formed as pixels of the CMOS sensor. It is also conceivable for the sensor element 22a or the sensor surface (s) 24a to be designed as a photodiode, photoresistor, or in another manner that appears appropriate to a person skilled in the art.
• the heating device 10a comprises at least one optical waveguide unit 20a arranged at least partially in the heating unit 14a for transmitting heat radiation to the sensor unit 12a.
• the heating unit 14a is designed as a supply reservoir 16a of a hot water supply.
• the heating unit 14a can also be used as a buffer storage, as a stratified storage, as a closed heat storage, as a latent heat storage or the like. be educated.
• the heating unit 14a includes a fluid inlet 36a and a fluid outlet 38a.
• the heating unit 14a is provided in an operation to be at least substantially completely filled with a fluid. In an alternative embodiment, it is also conceivable that the heating unit 14a is operated partially or with varying filling level of the fluid.
• the heating unit 14a further comprises a connecting element 40a for a fluid-tight connection of the optical waveguide unit 20a to the heating unit 14a.
• the connecting element 40a is designed as a screw and / or clamp connection.
• the connecting element 40a comprises a sealing element not shown in any more detail.
• the sealing element may be formed integrally with the optical waveguide unit 20a or with the connecting element 40a.
• Other configurations of the connecting element 40a which are considered meaningful by a person skilled in the art are also possible.
• the optical waveguide unit 20a has a plurality of optical waveguides 26a,
• the at least one optical waveguide 26a, 46a, 48a, 50a or the plurality of optical waveguides 26a, 46a, 48a, 50a is / are formed as optical fiber.
• the at least one optical waveguide 26a, 46a, 48a, 50a or the plurality of optical waveguides 26a, 46a, 48a, 50a preferably comprises at least one glass fiber or at least one glass fiber bundle to guide a whetting radiation.
• the optical waveguide unit 20a has at least one optical waveguide 26a, 46a, 48a, 50a or a plurality of optical waveguides 26a, 46a, 48a, 50a which are at least substantially opposite to parasitic radiations, in particular along a lateral surface 28a of the optical waveguide 26a, 46a, 48a, 50a or the plurality of optical waveguides 26a, 46a, 48a, 50a radiating heat radiation is / are shielded.
• the plurality of optical fibers 26a, 46a, 48a, 50a are at least partially provided with a common sheath 42a.
• the common sheathing 42a may be formed, for example, as a plastic sheath.
• optical waveguide unit 20a is connected to the at least one sensor unit 12a at least by means of an optical interface 30a.
• the optical interface 30a may, for example, be formed as a plug connection on a housing of the electronics unit 18a, which is intended to connect in each case a pair of optical waveguides 26a, 46a, 48a, 50a. It is conceivable that the
• Plug connector is integrally formed as a common connector.
• Other configurations of an optical interface that appear reasonable to a person skilled in the art are also conceivable.
• the optical waveguide 26a, 46a, 48a, 50a or each of the optical waveguides 26a, 46a, 48a, 50a is / are connected to a respective separate sensor surface 24a and / or arranged at a small distance therefrom.
• the optical waveguides 26a, 46a, 48a, 50a can be fastened to the sensor surface 24a, for example, on a mechanical, in particular pluggable, interface in such a way that, in an inserted state of the mechanical interface, the optical waveguides 26a, 46a, 48a, 50a each have a respective separate sensor surface 24a, in particular a pixel of the CMOS sensor, connected and / or arranged at a small distance thereto. It is also conceivable that the optical waveguides 26a, 46a, 48a, 50a are at least partially materially connected to a respective separate sensor surface 24a.
• the optical waveguide unit 20a comprises at least one optical waveguide 26a, 46a, 48a, 50a or a plurality of optical waveguides 26a, 46a, 48a, 50a, which abut with at least one end on a sensor element 22a of the sensor unit 12a.
• the plurality of optical waveguides 26a, 46a, 48a, 50a can rest in a connected state, in particular, in each case at a respective pixel of the CMOS sensor (see FIG.
• the at least one optical waveguide 26a, 46a, 48a, 50a or the plurality of optical waveguides 26a, 46a, 48a, 50a each have a coupling element
• the coupling-in element 32a, 52a, 54a, 56a for the controlled coupling of thermal radiation.
• the coupling-in element 32a, 52a, 54a, 56a is designed as an at least partially exposed end section of the optical waveguide 26a, 46a, 48a, 50a. It is also conceivable for the coupling-in element 32a, 52a, 54a, 56a to act as a lens, as a mirror. gel or another, which appears appropriate to a person skilled in the art design.
• FIG. 3 shows a further exemplary embodiment of the invention.
• the following description and the drawings are essentially limited to the differences between the exemplary embodiments, with reference in principle to the drawings and / or the description of the other exemplary embodiment, in particular FIGS. 1, 2, with respect to identically named components, in particular with regard to components having the same reference symbols and 2, can be referenced.
• To distinguish the embodiments of the letter a is the reference numerals of the embodiment in Figures 1 and 2 adjusted. In the embodiment of Figure 3, the letter a is replaced by the letter b.
• FIG. 3 shows an alternative embodiment of a heating device 10b according to the invention.
• the heating device 10b comprises at least one sensor unit 12b for detecting at least one temperature in a heating unit 14b, in particular in a supply storage 16b, and at least one electronic unit 18b.
• the electronic unit 18b is provided for an evaluation of parameters detected by means of the sensor unit 12b.
• the Electronic unit 18b is further provided to determine a temperature profile along the vertical axis 34b and / or a filling level of the heating unit 14b by means of the parameters detected by the sensor unit 12b.
• the sensor unit 12b comprises at least one sensor element 22b with at least one sensor surface 24b or a plurality of sensor surfaces 24b.
• the at least one sensor element 22b is designed as a photodiode.
• the sensor unit 12b comprises a plurality of photodiodes.
• the photodiode has a sensor surface 24b.
• the sensor surface 24b is formed as pn or pin transitions of the photodiode. It is also conceivable that the sensor element 22b or the
• the heating device 10b comprises at least one optical waveguide unit 20b arranged at least partially in the heating unit 14b for transmitting heat radiation to the sensor unit 12b.
• the heating unit 14b is formed as a layer memory of a heating system with a heat exchanger 44b.
• the heating unit 14b can also be used as a buffer storage, as a closed heat storage, as a latent heat storage or the like. be educated.
• the heating unit 14b includes a fluid inlet 36b and a fluid outlet 38b.
• the heating unit 14b is provided in an operation to be at least substantially completely filled with a fluid.
• the heating unit 14b further comprises a plurality of connecting elements 40b for a fluid-tight
• connection of coupling elements 32b, 52b, 54b, 56b with the heating unit 14b is designed as a threaded element. It is furthermore conceivable that the connecting element 40b has a sealing element, not shown in more detail, for fluid-tight sealing of the heating unit 14b.
• the optical waveguide unit 20b has a plurality of optical waveguides 26b, 46b, 48b, 50b whose measuring points are distributed at least substantially along a vertical axis 34b of the heating unit 14b.
• the optical waveguide unit 20b has at least one optical waveguide 26b, 46b, 48b, 50b or a plurality of optical waveguides 26b, 46b, 48b, 50b, which or at least substantially to parasitic radiations, in particular one along a lateral surface 28b of the optical waveguide 26b, 46b, 48b, 50b or the
• a plurality of optical waveguides 26b, 46b, 48b, 50b radiating heat radiation is / are shielded.
• the optical waveguides 26b, 46b, 48b, 50b are each provided at least partially with a sheathing 42b.
• the sheathing 42b may be formed, for example, as a rubber sheath, as a plastic sheath or the like, in which, in particular, at least one glass fiber or at least one glass fiber bundle is arranged.
• each optical waveguide 26b, 46b, 48b, 50b comprises a separate cladding 42b.
• the optical waveguide unit 20b is connected to the at least one sensor unit 12b at least by means of an optical interface 30a.
• the optical section Station 30b is formed as a plug connection to a housing of the electronic unit 18b.
• the connector is designed as a single connector for each optical fiber 26b, 46b, 48b, 50b separately. Other configurations of an optical interface that appear reasonable to a person skilled in the art are also conceivable.
• the optical waveguide 26b, 46b, 48b, 50b or each of the optical waveguides 26b, 46b, 48b, 50b is / are connected to a respective separate sensor surface 24b and / or arranged at a small distance therefrom.
• the optical waveguides 26b, 46b, 48b, 50b are connected by means of connecting elements, not shown, to the sensor surfaces 24b of the sensor elements 22b. It is also conceivable that the optical waveguides 26b, 46b, 48b, 50b are at least partially materially connected to a respective separate sensor surface 24b.
• the optical waveguide unit 20b comprises at least one optical waveguide 26b,
• the plurality of optical waveguides 26b, 46b, 48b, 50b are connected in a connected state, in particular to a respective separate photodiode.
• the at least one optical waveguide 26b, 46b, 48b, 50b or the plurality of optical waveguides 26b, 46b, 48b, 50b each have a coupling-in element 32b, 52b, 54b, 56b for the controlled coupling of thermal radiation.
• the coupling element 32b, 52b, 54b, 56b is at least provided with the
• Heater unit 14b to be fluid-tightly connected by means of the connecting element 40b.
• the coupling element 32b, 52b, 54b, 56b can be soldered, welded, screwed, glued, for example, or have another connection with the heating unit 14b that appears suitable to a person skilled in the art.
• the coupling element 32b, 52b, 54b, 56b also has an optical connector for connection to an optical waveguide 26b, 46b, 48b, 50b. It is also conceivable that the coupling-in element 32b, 52b, 54b, 56b is integrally connected to in each case one optical waveguide 26b, 46b, 48b, 50b or has another configuration which appears expedient to a person skilled in the art.
• the coupling element 32b, 52b, 54b, 56b comprises for the coupling of Radiation, in particular heat radiation, in the optical waveguide 26b, 46b, 48b, 50b, a lens element not shown in detail.
• the coupling-in element 32b, 52b, 54b, 56b is at least partially arranged on a housing of the heating unit 14b in a state connected to the heating unit 14b.
• the coupling elements 32b, 52b, 54b, 56b are arranged parallel to the vertical axis 34b.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Spectroscopy & Molecular Physics (AREA)
• General Engineering & Computer Science (AREA)
• Automation & Control Theory (AREA)
• Thermal Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• Remote Sensing (AREA)
• Optical Couplings Of Light Guides (AREA)
• Investigating Or Analysing Materials By Optical Means (AREA)
• Control Of Resistance Heating (AREA)
• Thermotherapy And Cooling Therapy Devices (AREA)
• Resistance Heating (AREA)

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Citations (3)

• 2017
  • 2017-02-07 PT PT109898A patent/PT109898A/pt unknown
• 2018
  • 2018-02-05 WO PCT/EP2018/052729 patent/WO2018146029A1/de active Application Filing

Patent Citations (3)

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