DE102014212184A1 - heater - Google Patents

heater

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Publication number
DE102014212184A1
DE102014212184A1 DE102014212184.1A DE102014212184A DE102014212184A1 DE 102014212184 A1 DE102014212184 A1 DE 102014212184A1 DE 102014212184 A DE102014212184 A DE 102014212184A DE 102014212184 A1 DE102014212184 A1 DE 102014212184A1
Authority
DE
Germany
Prior art keywords
infrared light
person
heating
body regions
mirror
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.)
Pending
Application number
DE102014212184.1A
Other languages
German (de)
Inventor
Michael Dobmann
Viktor Bader
Christoph Wäller
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Priority to DE102014212184.1A priority Critical patent/DE102014212184A1/en
Publication of DE102014212184A1 publication Critical patent/DE102014212184A1/en
Application status is Pending legal-status Critical

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B3/00Ohmic-resistance heating
    • H05B3/0033Heating devices using lamps
    • H05B3/0038Heating devices using lamps for industrial applications
    • H05B3/0042Heating devices using lamps for industrial applications used in motor vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00742Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models by detection of the vehicle occupants' presence; by detection of conditions relating to the body of occupants, e.g. using radiant heat detectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/22Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2226Electric heaters using radiation
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B1/00Details of electric heating devices
    • H05B1/02Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227Applications
    • H05B1/023Industrial applications
    • H05B1/0236Industrial applications for vehicles

Abstract

A personal heating heater (10) comprising: an imaging device (20) configured to generate image signals from a person (P) detectable in a detection area of the imaging device; a control device (30), which is connected to the imaging device and is arranged to identify different body regions (B1, B2, B3) of the person from the image signals and to assign them to respective heating intensities; and an infrared light projector (40) connected to the control device and configured to direct an infrared light beam (IRS) from an infrared light source (41) in different directions under the control of the control device. The control device is set up to control the infrared light projector in such a way that it alternately directs the infrared light beam to a selection of the body regions affected by the respective heating intensity, so that in a defined irradiation period of the person, respective time portions of the irradiation of the respective body regions are dimensioned in accordance with the respective heating intensities of the body regions. As a result, the infrared radiation of the heater can be used more efficiently for heating persons in desired areas.

Description

  • The invention relates to a heating device for heating persons and in particular to a heating device for heating by means of infrared radiation a person located in a passenger compartment of a vehicle.
  • Out DE 10 2011 000 177 A1 a heater is known for heating by means of infrared radiation heating in a passenger compartment of a vehicle. This heater comprises an imaging device configured to generate image signals from persons in a detection area, a control device connected to the imaging device and configured to recognize a seat occupancy in the passenger compartment with persons and a position thereof from the image signals , The heater further comprises at least one infrared radiator, which is connected to the control device and is arranged, when activated in passenger-occupied areas of the passenger compartment controlled by the control device to direct infrared radiation alternately to different body areas of the persons. To increase the efficiency of the heating, the at least one infrared radiator is focused more in areas occupied by persons than in unoccupied areas.
  • By using an infrared heater in a vehicle can be increased on the one hand by the very rapid heating comfort and on the other hand by reducing the room temperature energy saved. Conventional infrared radiators emit their heat output over a relatively large area, so that both areas in which irradiation is desired and areas in which no irradiation is desired or necessary are detected by the infrared radiation. Therefore, in order to provide sufficient heat output in the desired areas (e.g., the head of a person), the infrared radiator must usually be equipped and operated with relatively high power.
  • The object of the invention is to provide an infrared radiation-based heating device, so that its infrared radiation is used more efficiently for heating persons in desired areas.
  • This is achieved with a heating device according to claim 1. Further developments of the invention are defined in the dependent claims.
  • According to the invention, a heating device for personal heating comprises an imaging device which is adapted to generate image signals from a person detectable in a detection area of the imaging device; a control device connected to the imaging device for controlling the same and for retrieving the image signals and configured to identify different body regions of the person from the image signals and to associate respective heated body intensities with the identified body regions; and an infrared light projector, which is connected to the control device and which is arranged to direct a focused infrared light beam from a preferably single infrared light source in different directions under the control of the control device.
  • According to the invention, the control device is set up to control the infrared light projector in such a way that it directs the infrared light beam alternately to a selection of the body regions afflicted with respective heating intensity, so that in a defined irradiation period of the person respective time portions of the irradiation of the respective body regions corresponding to the respective heating intensities of the body regions are measured. In other words, body areas of high heating intensity are irradiated significantly more often or longer with the infrared light beam within the defined irradiation period of the person than body areas of low heating intensity. Body areas with a heating intensity of zero, on the other hand, are excluded from the irradiation or not irradiated.
  • In this way, the body regions desired for heating, in which the irradiation also achieves a heating effect (in particular non-clad body regions such as hands and head), can be selectively irradiated by bundled, projected infrared radiation. Thus, the infrared radiation can be used more efficiently for heating persons in desired areas and thus can be reduced to be radiated heat output.
  • According to one embodiment of the invention, the imaging device is set up to generate infrared radiation-based image signals from the person. For this purpose, a sensor of the imaging device can be designed, for example, as an infrared camera or as an infrared scanner and can generate image signals in the form of an infrared radiation image or thermal image from the person. By such as in US 2013/0314536 A1 described known technologies, which can be deposited as an algorithm in the control device, the identification of the different body regions based on the infrared radiation image or thermal image can be realized. In particular, exposed body areas such as the head and hands can be easily recognized by the lack of insulation effect of the clothing.
  • According to a further embodiment of the invention, the infrared light projector is adapted to emit the infrared light beam intermittently, wherein the control device is set up, so that the image signals retrieved to identify the different body regions are exclusively image signals generated in emission pauses of the infrared light beam.
  • When the imaging device operates on the basis of infrared radiation, it is advantageous to perform the generation of the image signals alternately for irradiation with the infrared light beam of the infrared light projector. This advantageously avoids the circumstance that the imaging device may detect the infrared radiation emitted by the infrared light projector and thereby possibly falsify the infrared radiation image.
  • According to yet another embodiment of the invention, the imaging device is set up to generate image signals from the person, which can be evaluated by means of an algorithm stored in the control device for identifying the different body regions. Examples of such an algorithm can eg US 2013/0230215 A1 and from US 2014/0010425 A1 be removed. Also, according to the invention, a tracking algorithm with which the body regions can be recognized and tracked is conceivable as such an algorithm.
  • According to yet another embodiment of the invention, the infrared light projector has an adjustable by means of an adjustment mirror and a reflector which is arranged on the infrared light source to focus infrared light from the infrared light source to the infrared light beam focused on the mirror. The control device is connected to the adjusting device of the mirror in order to adjust it in a controlled manner, so that the infrared light beam is directed alternately to the selection of the body regions, so that the respective time portions of the irradiation of the respective body regions are realized.
  • With this embodiment of the invention, the infrared light from a single infrared light source can be bundled in a simple manner to the infrared light beam and projected with individual irradiation intensity to the different body areas.
  • According to one embodiment of the invention, the mirror is arranged with respect to the infrared light source so that the infrared light beam at the mirror is deflected by more than 90 degrees, in particular about 135 degrees, in order to be aimed at the person.
  • According to a further embodiment of the invention, the mirror is positioned with respect to the infrared light source so that the infrared light beam at the mirror is deflected by less than 90 degrees, in particular less than 45 degrees, in order to be aimed at the person. For this purpose, in the infrared light projector, the reflector, the infrared light source, and the mirror with its adjusting means can be elongated in this order, i. be arranged approximately in a line, with respect to the person to be irradiated.
  • This elongated arrangement of the components of the infrared light projector has the advantage that space can be better used. In addition, advantageously, the infrared light source and reflector can be arranged far away from the person to be irradiated. This allows higher temperatures of the infrared light source and high voltage components for the infrared light source. In addition, there is no danger of touching hot components by people to be irradiated by the remote arrangement.
  • According to another embodiment of the invention, a filter arrangement for blocking a passage of visible light components of the infrared light emitted by the infrared light source is arranged in the beam path between the infrared light source and the person to be irradiated.
  • Since many infrared light sources emit light both in the infrared spectrum and in the visible light spectrum for humans, it is advantageous to avoid interference or disturbance of the person to be irradiated by such a filter arrangement. Preferably, the filter arrangement is arranged in the beam path between the infrared light source and the mirror, whereby less energy hits the mirror and this is not unnecessarily heated.
  • According to yet another embodiment of the invention, an arrangement of optical lenses for influencing the beam path of the infrared light emitted by the infrared light source is arranged in the beam path between the infrared light source and the person to be irradiated. Preferably, the optical lenses are designed as converging lenses, which advantageously supports or enhances the focusing of the infrared light to the infrared light beam.
  • According to yet another embodiment of the invention, the detection area of the imaging device is aligned with the mirror to generate the image signals of the person from an image of the person generated via the mirror. This embodiment of the invention is particularly suitable when the imaging device is equipped with an infrared scanner as a sensor, since then the Infrared light projector and the imaging device can be advantageously carried out combined in the same hardware.
  • Finally, according to one embodiment of the invention, the control device can also use a combination of an infrared image and a conventional image acquisition of the imaging device in order to determine the respective temperature level of the skin or clothing surface for specific body regions. By comparison with a body region-specific target temperature can be decided individually on the basis of the thermal state of the body regions in the control device or by the user or the person to be heated, whether heating by means of infrared radiation is required or desired.
  • The invention expressly extends to such embodiments, which are not given by combinations of features of explicit back references of the claims, whereby the disclosed features of the invention - as far as is technically feasible - can be combined with each other.
  • In the following, the invention will be described with reference to preferred embodiments and with reference to the accompanying figures.
  • 1 shows a schematic view of a heating device according to a first embodiment of the invention.
  • 2 shows a schematic view of a heater according to a second embodiment of the invention.
  • 3 shows a schematic view of a heating device according to a third embodiment of the invention.
  • 1 shows a schematic view of a heater 10 according to a first embodiment of the invention. The heater 10 is for personal heating in a vehicle 1 with a passenger compartment 2 integrated, being in the passenger compartment 2 a person P (shown only schematically) as a driver of the vehicle 1 located.
  • How out 1 can be seen, the heater has 10 an imaging device 20 , a control device 30 and an infrared light projector 40 on.
  • The imaging device 20 includes a sensor 21 like a conventional camera or a stereo camera, and is arranged to receive image signals from the person P located in a detection area of the sensor 21 the imaging device 20 is to create.
  • The control device 30 is via a signal line 31 with the imaging device 20 for controlling this and for retrieving the image signals and is arranged to identify different body regions B1, B2, B3 of the person P from the image signals and to associate the identified body regions B1-B3 with respective heating intensities.
  • For this purpose, the sensor generates 21 the imaging device 20 from the person P image signals, which by means of a in the control device 30 deposited algorithm for identifying the different body areas B1-B3 are evaluable. Examples of body region detection may include, for example US 2013/0230215 A1 and from US 2014/0010425 A1 be removed.
  • In this way, e.g. a first body region B1 as a head of the person P, a second body region B2 as a hand of the person P, and a third body region B3 as a clothed region such as a human body. recognize a shoulder area of person P.
  • The assignment of the respective heating intensities to the identified body areas B1-B3 can be done, for example, by the person P via an input interface (not shown) of the control device 30 can be taken in a menu or can advance in the control device 30 deposited. The intensity of the heating intensity may also depend on the ambient temperature and / or on recognized clothing (eg gloves, T-shirt).
  • In the present example, the head is assigned a high heating intensity as the first body region B1, the hand is assigned a mean heating intensity as the second body region B2, and a heated intensity of zero (not to be heated) is assigned to the clothed area of the person P as the third body region B3.
  • The infrared light projector 40 is via a signal line 32 with the control device 30 connected and is set up, controlled by the control device 30 an infrared light beam IRS from a preferably single infrared light source 41 of the infrared light projector 40 in different directions.
  • More specifically, the infrared light projector 40 next to the infrared light source 41 (like a halogen lamp) a reflector 42 , a mirror 43 and an adjusting device 44 on.
  • The reflector 42 is at the infrared light source 41 arranged to infrared light IRL from the infrared light source 41 to the infrared light beam IRS focused on the mirror 43 to judge. The mirror 43 is movably mounted and by means of the adjusting device 44 adjustable.
  • The control device 30 is over the signal line 32 with the adjustment 44 of the mirror 43 connected to adjust this controlled. More precisely, the control device 30 set up by means of appropriate software, firmware and / or hardware, the adjustment 44 of the infrared light projector 40 to drive in such a way that the mirror 43 the infrared light beam IRS is directed alternately to a selection of body regions B1-B3 afflicted with respective heating intensity, so that in a defined irradiation period of the person P respective time portions of the irradiation of the respective body areas B1-B3 are dimensioned according to the respective heating intensities of the body areas B1-B3.
  • In other words, body areas of high heating intensity within the defined irradiation period of the person P are irradiated significantly more often or longer with the infrared light beam IRS than body areas of low heating intensity. To define the respective heating intensities is in the control device 30 produces image information relating to the identified body regions B1-B3, in which, for example, "black" stands for no irradiation (heating intensity of zero), "gray" for medium irradiation (average heating intensity) and "white" for maximum irradiation (maximum heating intensity).
  • Based on this as in 1 The image information indicated with respect to the identified body regions B1-B3 becomes the adjustment device 44 of the mirror 43 driven to the mirror 43 controlled to adjust, so that the infrared light beam IRS is directed alternately to the selection of the body areas B1-B3, so that the respective time portions of the irradiation of the respective body areas B1-B3 are realized. How out 1 it can be seen here is the mirror 43 with respect to the infrared light source 41 arranged so that the infrared light beam IRS on the mirror 43 is deflected by more than 90 degrees, in particular by about 135 degrees, to be directed to the person P.
  • Since many infrared light sources emit light both in the infrared spectrum and in the visible light spectrum for humans, can in the beam path between the infrared light source 41 and the person to be irradiated P a filter assembly 45 for blocking passage of visible portions of light from that of the infrared light source 41 radiated infrared light IRS as part of the infrared light projector 40 be arranged. As a result, it is advantageous to impair or disturb the person P and in particular also other vehicle occupants while the vehicle is traveling 1 be avoided. The filter arrangement is preferred 45 in the beam path between the infrared light source 41 and the mirror 43 arranged, causing less energy to the mirror 43 meets and this is not unnecessarily heated.
  • Preferably, the infrared light projector 40 also in the beam path between the infrared light source 41 and the person P to be irradiated arranges an array of optical lenses 46 . 47 for influencing the beam path of the infrared light source 41 radiated infrared light IRL on. The optical lenses are preferred 46 . 47 formed as a converging lens to support the bundling of the infrared light IRL to the infrared light beam IRS.
  • 2 shows a schematic view of a heater 10 ' according to a second embodiment of the invention. In the 2 shown heater 10 ' is identical to the one in a few differences 1 shown heater 10 educated. Therefore, in the following, only the differences will be discussed and are in the in 2 shown heater 10 ' to the in 1 shown heater 10 identical components with identical reference numerals. The reference numerals of modified components are additionally provided with an apostrophe.
  • Unlike the heater 10 from 1 is at the in 2 shown heater 10 ' the mirror 43 of the infrared light projector 40 ' with respect to the infrared light source 41 arranged so that the infrared light beam IRS on the mirror 43 is deflected by less than 90 degrees, in particular less than 45 degrees, in order to be directed to the person P. More precise are with the infrared light projector 40 ' the heater 10 ' from 2 the reflector 42 , the infrared light source 41 , the optional filter arrangement 45 which is an optional optical lens 46 , the mirror 43 with its adjusting device 44 and the other optional optical lens 47 elongated in this order, ie, approximately in a line, with respect to the person P to be irradiated.
  • This long arrangement of components of the infrared light projector 40 ' has the advantage that space can be better used. In addition, advantageously, the infrared light source 41 and the reflector 42 removed (preferably, for example, in an engine compartment, not shown, of the vehicle 1 ) are installed. This allows higher temperatures of the infrared light source 41 , High-voltage components and possibly a use of radiant heat in one Exhaust system of the vehicle 1 (if provided with an internal combustion engine).
  • 3 finally shows a schematic view of a heater 10 " according to a third embodiment of the invention. In the 3 shown heater 10 " is identical to the one in a few differences 2 shown heater 10 ' educated. Therefore, in the following, only the differences will be discussed and are in the in 3 shown heater 10 " to the in 2 shown heater 10 ' identical components with identical reference numerals. The reference numerals of modified components are additionally provided with a double apostrophe.
  • Unlike the heater 10 ' from 2 is at the in 3 shown heater 10 " the imaging device 20 '' configured to generate infrared radiation-based image signals from the person P. For this purpose, the sensor 21 " the imaging device 20 " formed as an infrared camera or infrared scanner and generated by the person P image signals in the form of an infrared radiation image or thermal image. Here, the detection range of the imaging device is 20 " on the mirror 43 aligned to the image signals of the person P from one over the mirror 43 generate generated image of the person P.
  • The control device 30 " is via a correspondingly adapted signal line 31 " with the imaging device 20 " for controlling these and for retrieving the image signals, and is arranged to identify different body regions from the infrared radiation-based image signals, such as the first to third body regions B1-B3 of the person P, and to associate the identified body regions B1-B3 with respective heating intensities.
  • By such as in US 2013/0314536 A1 described known technologies, which as an algorithm in the control device 30 " can be deposited, the identification of the different body areas B1-B3 on the basis of the infrared radiation image or thermal image of the person P can be realized. In particular, exposed body regions such as the head and hands (here, for example, the first body region B1 or the second body region B2) can be recognized by the lack of insulating effect of the clothing. For example, a high irradiation intensity is then assigned to those image parts which are above a limit value of the infrared radiation. The limit value can be dependent on the ambient conditions such as the temperature or adjustable. It is also possible to use several limit values in order to heat different parts of the body differently.
  • As this imaging device 20 " to 3 On the basis of infrared radiation, it is preferable that the generation of the image signals alternately for irradiation with the infrared light beam IRS of the infrared light projector 40 " happens, otherwise there is a risk that the imaging device 20 " that of the infrared light projector 40 " emitted infrared radiation detected.
  • Therefore, the infrared light projector 40 " Preferably arranged to emit the infrared light beam IRS intermittently. In addition, the control device 30 " Preferably set so that the retrieved for identification of the different body areas B1-B3 image signals are exclusively generated in radiation pauses of the infrared light beam IRS image signals.
  • In the embodiment according to 3 points for this purpose the infrared light projector 40 " in the beam path of the infrared light IRL, a light / dark wheel rotating about an axis of rotation R1 48 " which has permeable and impermeable portions for the infrared light IRL. Image generation or measurement with the imaging device 20 " occurs when the light / dark wheel 48 " is impermeable to infrared light IRL.
  • In the above, with reference to the 1 to 3 different embodiments of a heater provided for personal heating according to the invention 10 . 10 ' . 10 " described. These embodiments have, in common or selective, inter alia, the following features or advantages.
  • According to the invention, concentrated infrared radiation is projected onto a person to be heated in each case. In this case, the infrared light beam of the infrared light projector can follow the person's movements by means of a matrix which can be programmed into the control device. The identified areas of the body to be irradiated are preferably irradiated by a single infrared light source, although individual irradiation intensities (different radiation powers - white / gray / black) are still possible for the body areas. Since preferably only a single infrared light source is provided, maintenance and replacement of these are simplified. By locally illuminating the body regions (instead of global emission of infrared radiation and selective absorption in non-heated areas), the power of the infrared light source can be reduced.
  • In the elongated configuration of the infrared light projector, the infrared light source and the reflector can be located away from people as preferred, for example, in the engine compartment of a vehicle. This means higher temperatures at the infrared light source and therefore more Heat output and high-voltage components for the infrared light source possible. In addition, there is no danger of touching hot components by persons to be heated by the remote arrangement. Finally, by the elongated design of the infrared light projector alternative space can be used eg in a vehicle.
  • When implemented with an infrared scanner as a sensor in the imaging device, the infrared light projector and the imaging device or the sensor (infrared scanner) can be advantageously carried out combined in the same hardware.
  • Finally, it should also be noted that according to the invention, the control device can also use a combination of an infrared image and a conventional image acquisition of the imaging device in order to determine the respective temperature level of the skin or clothing surface for specific body regions. By comparison with a body region-specific target temperature can be decided individually on the basis of the thermal state of the body regions in the control device or by the user or the person to be heated, whether heating by means of infrared radiation is required or desired.
  • LIST OF REFERENCE NUMBERS
  • 1
    vehicle
    2
    passenger compartment
    10; 10 '; 10 "
    heater
    20; 20 "
    imaging device
    21; 21 "
    sensor
    30; 30 "
    control device
    31; 31 ", 32
    signal line
    40; 40 '; 40 "
    Infrared light projector
    41
    Infrared light source
    42
    reflector
    43
    mirror
    44
    adjustment
    45
    A filter assembly
    46, 47
    optical lens
    48 "
    Light / dark cycle
    B1, B2, B3
    body area
    P
    person
    R1
    axis of rotation
    IRL
    infrared light
    IRS
    Infrared light beam
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
  • Cited patent literature
    • DE 102011000177 A1 [0002]
    • US 2013/0314536 A1 [0009]
    • US 2013/0230215 A1 [0012, 0032]
    • US 2014/0010425 A1 [0012, 0032]
    • US 20130314536 A1 [0050]

Claims (10)

  1. Heating device ( 10 ; 10 '; 10 " ) for personal heating, comprising: an imaging device ( 20 ; 20 " ) arranged to receive image signals from one in a detection area of the image forming apparatus ( 20 ; 20 " ) to generate a detectable person (P), a control device ( 30 ; 30 " ) associated with the imaging device ( 20 ; 20 " ) for retrieving the image signals and arranged to identify from the image signals different body regions (B1, B2, B3) of the person (P) and to associate the identified body regions (B1-B3) with respective heating intensities, and an infrared light projector ( 40 ; 40 '; 40 " ), which is connected to the control device ( 30 ; 30 " ) and which is set up, controlled by the control device ( 30 ; 30 " ) an infrared light beam (IRS) from an infrared light source ( 41 ) in different directions, the control device ( 30 ; 30 " ), the infrared light projector ( 40 ; 40 '; 40 " ) in such a way that it directs the infrared light beam (IRS) alternately to a selection of body regions (B1, B2) with respective heating intensity, so that in a defined irradiation period of the person (P) respective time portions of the irradiation of the respective body regions (B1, B2 ) are dimensioned according to the respective heating intensities of the body regions (B1, B2).
  2. Heating device ( 10 " ) according to claim 1, wherein the imaging device ( 20 " ) is adapted to generate infrared radiation-based image signals from the person (P).
  3. Heating device ( 10 " ) according to claim 2, wherein the infrared light projector ( 40 " ) is arranged to emit the infrared light beam (IRS) intermittently, and wherein the control device ( 30 " ), so that the image signals retrieved to identify the different body regions (B1-B3) are image signals exclusively generated in emission pauses of the infrared light beam (IRS).
  4. Heating device ( 10 ; 10 '; 10 " ) according to any one of claims 1-3, wherein the imaging device ( 20 ; 20 " ) is arranged to generate from the person (P) image signals, which by means of a in the control device ( 30 ; 30 " ) stored algorithm for the identification of the different body areas (B1-B3) are evaluable.
  5. Heating device ( 10 ; 10 '; 10 " ) according to any one of claims 1-4, wherein the infrared light projector ( 40 ; 40 '; 40 " ) one by means of an adjusting device ( 44 ) adjustable mirror ( 43 ) and a reflector ( 42 ), which at the infrared light source ( 41 ) is arranged to receive infrared light (IRL) from the infrared light source ( 41 ) to the infrared light beam (IRS) focused on the mirror ( 43 ), the control device ( 30 ; 30 " ) with the adjusting device ( 44 ) of the mirror ( 43 ) so as to adjust it in a controlled manner, so that the infrared light beam (IRS) is alternately directed to the selection of the body regions (B1, B2), so that the respective time portions of the irradiation of the respective body regions (B1, B2) are realized.
  6. Heating device ( 10 ) according to claim 5, wherein the mirror ( 43 ) with respect to the infrared light source ( 41 ) is arranged so that the infrared light beam (IRS) on the mirror ( 43 ) is deflected more than 90 degrees to be directed to the person (P).
  7. Heating device ( 10 '; 10 " ) according to claim 5, wherein the mirror ( 43 ) with respect to the infrared light source ( 41 ) is arranged so that the infrared light beam (IRS) on the mirror ( 43 ) is deflected less than 90 degrees to be directed to the person (P).
  8. Heating device ( 10 ; 10 '; 10 " ) according to any one of claims 5-7, wherein in the beam path between the infrared light source ( 41 ) and the person to be irradiated (P) a filter arrangement ( 45 ) for blocking a passage of visible light components of the infrared light source ( 41 ) emitted infrared light (IRL) is arranged.
  9. Heating device ( 10 ; 10 '; 10 " ) according to any one of claims 5-8, wherein in the beam path between the infrared light source ( 41 ) and the person to be irradiated (P) an arrangement of optical lenses ( 46 . 47 ) for influencing the beam path of the infrared light source ( 41 ) emitted infrared light (IRL) is arranged.
  10. Heating device ( 10 " ) according to any one of claims 5-9, wherein the detection range of the imaging device ( 20 " ) on the mirror ( 43 ) is aligned to the image signals of the person (P) from a via the mirror ( 43 ) generate generated image of the person (P).
DE102014212184.1A 2014-06-25 2014-06-25 heater Pending DE102014212184A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102014212184.1A DE102014212184A1 (en) 2014-06-25 2014-06-25 heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014212184.1A DE102014212184A1 (en) 2014-06-25 2014-06-25 heater

Publications (1)

Publication Number Publication Date
DE102014212184A1 true DE102014212184A1 (en) 2016-01-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102014212184.1A Pending DE102014212184A1 (en) 2014-06-25 2014-06-25 heater

Country Status (1)

Country Link
DE (1) DE102014212184A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011000177A1 (en) 2011-01-17 2012-07-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Motor vehicle comprises interior air conditioner or interior heater, where one or more infrared radiators are equipped
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