WO2021190884A1 - Appareil et procédé de commande de la température d'un intérieur de véhicule - Google Patents

Appareil et procédé de commande de la température d'un intérieur de véhicule Download PDF

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Publication number
WO2021190884A1
WO2021190884A1 PCT/EP2021/055263 EP2021055263W WO2021190884A1 WO 2021190884 A1 WO2021190884 A1 WO 2021190884A1 EP 2021055263 W EP2021055263 W EP 2021055263W WO 2021190884 A1 WO2021190884 A1 WO 2021190884A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
occupant
vehicle
interior
determined
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.)
Ceased
Application number
PCT/EP2021/055263
Other languages
German (de)
English (en)
Inventor
Christoph Menzel
Philipp Wörner
Oliver Karich
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.)
Mercedes Benz Group AG
Original Assignee
Daimler 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 Daimler AG filed Critical Daimler AG
Publication of WO2021190884A1 publication Critical patent/WO2021190884A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00292—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for steering wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00742—Control 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00871—Air directing means, e.g. blades in an air outlet

Definitions

  • the invention relates to a device and a method for controlling the temperature of a vehicle interior with a number of air nozzles directed into the vehicle interior.
  • Air vents arranged in the area of a control panel for direct flow to a person sitting in the vehicle
  • a temperature sensor for detecting an interior temperature
  • a control device for controlling a temperature of the heat exchanger and a flow rate of the tempering air passing through it as well as a distribution of the tempering air to the control panel vent, the roof vent and the floor vent.
  • the control device controls the operation of the air conditioning system in such a way that the following process steps take place:
  • the invention is based on the object of specifying a device and an improved method for controlling the temperature of a vehicle interior which are improved compared to the prior art.
  • a device for temperature control of a vehicle interior with a number of air nozzles directed into the vehicle interior comprises, according to the invention, at least one electrically positionable actuator arranged in the area of an air outlet opening of the respective air nozzle for generating an actuator on an occupant of the vehicle, in particular on a driver, and / or at least at least temperature-controlled air flow directed towards its steering wheel surface, provided that an interior temperature of the vehicle determined by means of a temperature monitoring unit and / or a determined body temperature of the occupant are or lies outside a predetermined temperature range.
  • the device comprises at least one temperature sensor for determining the interior temperature and / or a further temperature sensor for determining a body temperature of the occupant. On the basis of the recorded interior temperature and / or body temperature, if these are or lies outside the temperature range, a temperature of the air flow directed at the occupant can be set.
  • the further temperature sensor for determining the body temperature of the occupant is integrated in a further embodiment in a portable data processing unit, in particular a smart watch, of the occupant, with the determined body temperature being transmitted via a radio interface to a control unit of the device for temperature control of the vehicle interior.
  • the temperature sensor is integrated into the portable data processing unit, it is not necessary to arrange a temperature sensor in the vehicle in order to continuously determine the body temperature of the occupant.
  • the temperature sensor for determining the body temperature of the occupant is designed as a camera and is arranged in the vehicle interior.
  • the camera is designed as an infrared camera for this purpose.
  • the camera can also be provided for performing at least one other function, such as seat occupancy detection, in the vehicle. If it is intended to determine the body temperature of the occupant by means of a camera, the determination is carried out without contact.
  • Another embodiment of the device provides that an outside temperature sensor for determining an outside temperature is present, so that, for. B. a temperature difference between the determined outside temperature and the interior temperature can be determined and the air flow directed at the occupant can be tempered as a function of the temperature difference.
  • a setting device for manually setting a temperature at a determined interior temperature of the vehicle and / or body temperature of the occupant that is within the temperature range. If it is detected that the determined interior temperature and / or the determined body temperature of the occupant lie or lies within the specified temperature range, then the occupant can manually make temperature settings relating to the vehicle interior, as usual. The occupant thus has the option of making individual settings with regard to a direction and a temperature of the air flow in accordance with his or her well-being.
  • the invention comprises a method for temperature control of a vehicle interior with a device which has a number of in the Includes air nozzles directed towards the interior of the vehicle.
  • the method according to the invention provides that, as a function of a determined interior temperature of the vehicle and / or a determined body temperature of an occupant of the vehicle, in particular a driver, an actuator arranged in the area of an air outlet opening of a respective air nozzle is electrically positioned in such a way that an actuator is positioned on the occupant and / or temperature-controlled air flow directed at at least one steering wheel surface is generated if the interior temperature of the vehicle determined by means of the temperature monitoring unit and / or the determined body temperature of the occupant are or lies outside a predetermined temperature range.
  • the method makes it possible to temper the vehicle interior, in particular air in the immediate vicinity of the occupant and / or air in the immediate vicinity of at least one steering wheel surface, in order to increase the well-being of at least this occupant.
  • the vehicle is an electric vehicle
  • electrical energy can be saved by directing the temperature-controlled air flow onto the occupant and / or onto at least one steering wheel surface, since not the entire vehicle interior is temperature-controlled, but only the occupant and / or the at least one steering wheel surface.
  • a temperature of the air flow directed at the occupant and / or the steering wheel surface is set at least as a function of the determined interior temperature of the vehicle and / or the determined body temperature of the occupant.
  • the temperature of the air flow is selected in such a way that the air flow directed at the occupant is perceived as pleasant by the occupant.
  • the air flow is directed to at least one hand touching the steering wheel surface.
  • the comfort of the vehicle occupant controlling the vehicle can be increased and the handling of the steering wheel can be improved.
  • an air flow that is cooled or heated compared to the correspondingly determined temperature is generated. This means, that in particular an air flow adapted to the respective temperature situation is generated, depending on whether it is too warm or too cold in the interior of the vehicle and / or on the surface of the steering wheel.
  • the directed air conditioning of corresponding body areas of the vehicle occupant can thus achieve a considerable increase in comfort.
  • FIG. 1 schematically shows a section of a vehicle interior with an occupant
  • FIG. 1 schematically shows a section of a vehicle interior 1 of a vehicle with an occupant 2, in particular a driver of the vehicle. Furthermore, FIG. 1 shows a steering wheel ° 5 with a steering wheel surface ° 6, on which a temperature control device ° 7 is arranged. FIG. 2 shows a temperature-time diagram D with a temperature profile T in the vehicle interior 1.
  • a human sensation of warmth is essentially dependent on a thermal equilibrium of a body of the occupant 2.
  • an interior temperature Ti in the vehicle interior 1 is significantly higher than 22 ° C., for example due to solar radiation, or significantly lower than 22 ° C., the thermal equilibrium of the occupant 2 is disturbed.
  • vehicle interior 1 and / or the at least one steering wheel surface ° 6 is usually in particular by means of convective air currents L, which are tempered by means of air nozzles 3 of a device for temperature control of the vehicle interior 1 in the vehicle interior 1 and / or on the at least one steering wheel surface ° 6.
  • the air nozzles 3 are positioned such that an air outflow direction of the air nozzles 3 is not positioned with respect to the occupant 2 and the occupant 2 does not adjust the air nozzles 3, then the time t is delayed until the occupant 2 has regained its thermal equilibrium.
  • FIG. 1 three air nozzles 3 directed at the occupant 2 are shown.
  • the device for temperature control of the vehicle interior 1 is designed as described below.
  • the device comprises a control unit (not shown), a temperature control unit and temperature monitoring unit (also not shown) and the air nozzles 3 each with at least one actuator (not shown) arranged in the area of an air outflow opening.
  • a predetermined temperature range TB for the interior temperature Ti is stored in the control unit, in particular as a so-called comfort band, which is shown in the temperature-time diagram D shown in FIG.
  • a lower temperature threshold value T u of the temperature range TB is 18 ° C., for example, while an upper temperature threshold value T 0 is 26 ° C., for example.
  • the temperature monitoring unit includes a temperature sensor 4 for determining an interior temperature Ti.
  • the temperature monitoring unit can have a further temperature sensor, not shown, for determining a body temperature of the occupant 2, with recorded signals from both temperature sensors 4 can be evaluated in the temperature monitoring unit.
  • the temperature sensor 4 is a temperature sensor 4 which is usually present in the vehicle and which, at least during a ferry operation, continuously detects signals based on which the interior temperature Ti of the vehicle is determined.
  • the further temperature sensor can for example be integrated in a portable data processing unit of the occupant 2, for example in a smartwatch or in another so-called wearable.
  • the further temperature sensor is designed as a camera, in particular as an infrared camera, so that the body temperature of the occupant 2 is determined on the basis of detected signals from the infrared camera.
  • a temperature range TB is specified in relation to the determined body temperature of the occupant 2, so that the temperature control of the vehicle interior 1 and / or the at least one steering wheel surface ° 6 is alternatively or additionally based on the determined body temperature of occupant 2.
  • the method is described in relation to the interior temperature Ti, the method being carried out analogously on the basis of the body temperature of the occupant 2, only that the temperature threshold values T u , T 0 of the specified temperature range TB have other temperature values, in particular with regard to sensible body temperatures.
  • the occupant 2 can make settings with regard to the temperature control of the vehicle interior 1 and / or the at least one steering wheel surface ° 6 as well as settings with regard to a Carry out the direction of an air stream L flowing out of the respective air nozzle 3 individually according to his wishes and preferences.
  • the air nozzles 3 in the vehicle interior 1, in particular assigned to the occupant 2 are activated in this way positioned, that an air flow L tempered as a function of the determined interior temperature Ti is directed onto the occupant 2 and / or onto the at least one steering wheel surface ° 6.
  • an electrically positionable actuator (not shown in detail) is arranged in the area of an air outflow opening of the respective air nozzle 3, which actuator is controlled and positioned so that the temperature-controlled air flow L is directed towards the occupant 2.
  • the interior temperature Ti at least initially in the area of the occupant 2, has a temperature value which is within the temperature range TB and thus a thermal equilibrium is established in the occupant 2 relatively quickly.
  • the temperature monitoring unit comprises an outside temperature sensor which, when the vehicle is in operation, continuously detects signals based on which an outside temperature is determined.
  • the temperature control and the direction of the air stream L flowing out of the respective air nozzle 3 are set when the upper temperature threshold T 0 is exceeded or when the lower temperature threshold T u falls below a predetermined temperature range TB depending on the outside temperature.
  • the temperature threshold values T u , T 0 with regard to the outside temperature as a reference variable can vary depending on the region, depending on the seasons.
  • the method thus provides that an interior temperature Ti, a body temperature of the occupant 2, in particular of the driver of the vehicle, and / or an exterior temperature of the vehicle are or is continuously determined by means of the temperature monitoring unit.
  • An interior temperature T i, body temperature and / or outside temperature determined in each case is evaluated by means of an algorithm in relation to the respective temperature range TB, with the actuators of the air nozzles 3 being positioned so that the respective temperature-controlled, The air flow L flowing out of the air nozzles 3 is directed at the occupant 2.
  • the tempered air flow ° L is directed at least partially onto the steering wheel surface ° 6 by means of the electrically positionable actuator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne un appareil de régulation de la température d'un intérieur de véhicule (1) présentant un certain nombre de buses d'air (3) dirigées vers l'intérieur du véhicule (1), comprenant au moins un actionneur à positionnement électrique qui est agencé dans la région d'une ouverture d'évacuation d'air de chaque buse d'air (3) afin de générer un courant d'air à température régulée (L) dirigé vers un occupant (2) du véhicule et/ou en direction d'au moins une surface de volant (6) si une température intérieure du véhicule déterminée au moyen d'une unité de surveillance de température et/ou une température corporelle déterminée de l'occupant (2) se trouve(nt) à l'extérieur d'une plage de températures spécifiée.
PCT/EP2021/055263 2020-03-23 2021-03-03 Appareil et procédé de commande de la température d'un intérieur de véhicule Ceased WO2021190884A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020107911.7 2020-03-23
DE102020107911.7A DE102020107911A1 (de) 2020-03-23 2020-03-23 Vorrichtung und Verfahren zur Temperierung eines Fahrzeuginnenraums

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WO2021190884A1 true WO2021190884A1 (fr) 2021-09-30

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PCT/EP2021/055263 Ceased WO2021190884A1 (fr) 2020-03-23 2021-03-03 Appareil et procédé de commande de la température d'un intérieur de véhicule

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DE (1) DE102020107911A1 (fr)
WO (1) WO2021190884A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240102867A1 (en) * 2022-09-28 2024-03-28 Ford Global Technologies, Llc Systems and methods to address environmentally exposed surfaces
US20250026175A1 (en) * 2023-07-20 2025-01-23 Honda Motor Co., Ltd. Method and device for controlling air conditioning outlet of vehicle, and vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023002176A1 (de) 2023-05-30 2024-12-05 Mercedes-Benz Group AG Klimatisierungseinrichtung sowie Verfahren

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19617562C1 (de) * 1996-05-02 1997-05-15 Daimler Benz Ag Fahrzeugklimatisierungseinrichtung mit sonneneinstrahlungsabhängig verstellbarer Luftleitvorrichtung
DE10036181A1 (de) 2000-07-25 2002-02-14 Siemens Ag Verfahren zum Klimatisieren eines Fahrzeuginnenraums sowie Fahrzeugklimaanlage
DE10200486A1 (de) * 2002-01-09 2003-07-10 Behr Gmbh & Co Klimaanlage und Vorrichtung zur Regelung des thermischen Komforts in einem Kraftfahrzeug
JP2004268797A (ja) * 2003-03-10 2004-09-30 Denso Corp 車両用空調装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715008A (en) 1980-06-27 1982-01-26 Toyota Motor Corp Air blowing direction controller of air conditioner for vehicle
US11059349B2 (en) 2015-10-16 2021-07-13 Ford Global Technologies, Llc Enhanced climate control
DE102018121168B4 (de) 2018-08-30 2022-01-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fußraumklimatisierungssystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19617562C1 (de) * 1996-05-02 1997-05-15 Daimler Benz Ag Fahrzeugklimatisierungseinrichtung mit sonneneinstrahlungsabhängig verstellbarer Luftleitvorrichtung
DE10036181A1 (de) 2000-07-25 2002-02-14 Siemens Ag Verfahren zum Klimatisieren eines Fahrzeuginnenraums sowie Fahrzeugklimaanlage
DE10200486A1 (de) * 2002-01-09 2003-07-10 Behr Gmbh & Co Klimaanlage und Vorrichtung zur Regelung des thermischen Komforts in einem Kraftfahrzeug
JP2004268797A (ja) * 2003-03-10 2004-09-30 Denso Corp 車両用空調装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240102867A1 (en) * 2022-09-28 2024-03-28 Ford Global Technologies, Llc Systems and methods to address environmentally exposed surfaces
US20250026175A1 (en) * 2023-07-20 2025-01-23 Honda Motor Co., Ltd. Method and device for controlling air conditioning outlet of vehicle, and vehicle

Also Published As

Publication number Publication date
DE102020107911A1 (de) 2021-09-23

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