WO2019201593A1 - Procédé de commande d'un dispositif de climatisation pour véhicule automobile - Google Patents

Procédé de commande d'un dispositif de climatisation pour véhicule automobile Download PDF

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Publication number
WO2019201593A1
WO2019201593A1 PCT/EP2019/058313 EP2019058313W WO2019201593A1 WO 2019201593 A1 WO2019201593 A1 WO 2019201593A1 EP 2019058313 W EP2019058313 W EP 2019058313W WO 2019201593 A1 WO2019201593 A1 WO 2019201593A1
Authority
WO
WIPO (PCT)
Prior art keywords
air conditioning
priority value
conditioning device
user
heating
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/EP2019/058313
Other languages
German (de)
English (en)
Inventor
Stefan Niering
Gregor Homann
Sven Twenhövel
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
Publication of WO2019201593A1 publication Critical patent/WO2019201593A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60H1/0073—Control systems or circuits characterised by particular algorithms or computational models, e.g. fuzzy logic or 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/0073—Control systems or circuits characterised by particular algorithms or computational models, e.g. fuzzy logic or dynamic models
    • B60H2001/00733—Computational models modifying user-set values

Definitions

  • the invention relates to a method for controlling an air conditioning device for a motor vehicle and an air conditioning device for air conditioning an interior of a motor vehicle, with a refrigerant circuit, an electrical
  • Refrigerant compressor Refrigerant compressor, a heat exchanger and a control unit.
  • the control of the air conditioning device can either be done by the user by this parameter as the target temperature for the interior, the fan speed and the distribution of tempered air to different outlet nozzles pretending or between a recirculation mode and a
  • Control unit automatically sets the other parameters.
  • the fan speed and / or the discharge temperatures are reduced, it is judged with which intake an energy-efficient air conditioning of the vehicle is possible, and it outlet openings are controlled such that, if possible, no disc fitting occurs.
  • user specifications that can lead to increased fuel consumption by the air conditioning device at least partially overwritten to permanently provide the user a similar to his desired settings comfort as possible while keeping the energy consumption of the air conditioning device as low as possible ,
  • the eco mode is permanently associated with at least a slight loss of comfort for the user.
  • a disadvantage of the known method is that they each only consider a static state and can not react dynamically to the current wishes of the user and to the current conditions in the vehicle interior. Thus, for example, does not take into account how large the temperature difference between the desired
  • Target temperature and the current actual temperature is, as well as whether the user wants a rapid temperature control to the target temperature, or the most energy-efficient reaching the target temperature to allow a high range of the vehicle.
  • the known “Hi” or “Lo” modes require a complete override of the automatic climate control and must be terminated by the user, which often occurs only when the actual set temperature has already been exceeded.
  • the well-known “Eco” mode is designed to permanently save fuel and thereby takes permanent loss of comfort of the user in purchasing.
  • Car interior takes and thereby the user a high level of comfort at situational simultaneously high energy efficiency allows.
  • the invention solves the problem by means of a generic method with the steps a. Polling a target temperature for a vehicle interior,
  • the inventors have recognized that, especially in novel vehicles with electrified powertrain, in which heat pumps are often used for air conditioning, an increased potential for flexible adaptation to the needs of the user is available. Since in the heating case, the heat for heating the interior is not obtained from an internal combustion engine, which must first reach its operating temperature before he can provide significant amounts of heat available, as well as in cooling by the independent of the engine electric air compressor very fast high cooling capacity can be made available, it is possible to achieve very high air conditioning speeds. In other words, it is possible to bring the vehicle interior in a short period of time from the start of the journey to the desired temperature. This can be a clearer, especially for short distances
  • Comfort gain for the user as in conventional vehicles may have already stopped driving until the required heat or cooling capacity would be available at all.
  • the air-conditioning device can be operated in at least one operating mode, which is designed to achieve the target temperature as quickly as possible, and in at least one operating mode, which is designed for the highest possible range.
  • an air conditioning speed is understood in particular to be a value which indicates how long it takes for the desired interior temperature to be reached.
  • this time also depends on the difference between the start temperature and the target temperature, if one wants to specify a numerical value for the air conditioning speed, it can be indicated in K / min, for example.
  • the term can be used relatively, so that air conditioning with a higher
  • Target temperature takes less time than air conditioning with a lower air conditioning speed.
  • An air conditioning efficiency is understood in particular to mean a value indicating how much energy is needed to reach and / or maintain the target temperature.
  • a high air conditioning efficiency means accordingly that the target temperature is achieved with relatively little energy expenditure.
  • Settings for controlling the individual components of the air conditioning device dynamically adapted to changing conditions in the vehicle interior and possibly in the vehicle environment.
  • modes of operation may be available for selection and assigned to different priority values for the air conditioning speed.
  • the number of operating modes may be, for example, at least 3, at least 5, at least 10, or at least 20.
  • the priority value is determined based on a user input.
  • the user can then pretend that it is just a quick achievement of the target temperature or the target temperature or a particularly energy-efficient temperature control of the interior and thus a high range of the vehicle is important.
  • the input of the priority value can take place, for example, via a mechanical slider or dial or preferably via a touch-sensitive element, for example a touchscreen. It can, for example, on the touch screen
  • Sliders are displayed.
  • Other input elements such as an up / down button or the possibility of voice input are also possible.
  • the user input can be done via a continuous input means.
  • a continuous input means in particular an input means in which the individual gradations are not visible to the user.
  • a priority value with a value between 0 and 255 can be determined and used to control the
  • Air conditioning device can be used.
  • the priority value is determined based on a forecast of the journey time.
  • the forecast of the journey duration can be based, for example, on data entered by the user in a navigation device with regard to the route course and in particular the length of the route. It is also possible, for example, using intelligent algorithms often to predict recurring journeys or journey time. For example, in the case of commuters, the time can be used to determine that the familiar route to work or home work is likely to be driven. There is then no longer any interaction of the user with the system necessary, and at the same time the alleged wishes or needs of the user are automatically implemented.
  • the user can switch between the mode in which he himself enters the priority value and the automatic mode in which the system automatically determines the priority value for the air conditioning speed as described above. This can be done for example via a switch, a softkey in a user interface or via a voice command.
  • the different modes of operation can in particular by different
  • Air conditioning curves to be marked In other words, it can therefore be provided that, depending on the step b.
  • Priority value determined one of several present in a memory conditioning curves for controlling the air conditioning device can be selected.
  • the air conditioning curves comprise data records for certain operating parameters that are used to control the individual components of the
  • Air conditioning device can be used. For example, a data set corresponding to a current interior temperature or a current difference between the
  • Interior temperature and a target temperature assigns a parameter set for controlling the components of the air conditioning device, be stored.
  • parameters such as the discharge temperature, the fan speed and thus the air mass flow, the outlet nozzle to be controlled or the compressor pressure in the data record can be coded.
  • the respective parameters are set for predetermined periods of time.
  • the above-mentioned parameters for regulating the air-conditioning device in particular therefore the discharge temperature, the fan speed, the choice of the outlet nozzles used and the compressor pressure can be used individually or in combination for influencing the air-conditioning speed.
  • Air compressor of the air conditioning device can be increased. At the same time can be increased by a suitable control of the heating elements, the performance of these heating elements. By faster provision of the heating or cooling energy, the corresponding further parameters are automatically adjusted, so that there is always ideal comfort in the vehicle. For an increase in air conditioning efficiency applies accordingly Contrary to what has been said before regarding an increase in air conditioning speed.
  • auxiliary heating may be activated.
  • the definition of a high priority value may depend on the specific embodiment. For example, the maximum priority value may become a high priority value, as well as priority values having a value of over 50% or over 75% of the maximum priority value may be considered a high priority value.
  • additional heating By means of such additional heating then a particularly rapid heating of the interior can be made possible.
  • the additional heater can be an electrical
  • Additional heating in the form of a heating resistor for example, a so-called PTC resistor (English "positive temperature coefficient"), be.
  • PTC resistor Terms “positive temperature coefficient”
  • the mentioned additional heating is a surface heating, for example in the form of a seat heating, an armrest heating and / or a steering wheel heating.
  • Such surface heating has the advantage that the user is immediately given a feeling of warmth, so that the perceived total temperature exceeds the current interior temperature.
  • areas with which the user has direct physical contact are heated first and as quickly as possible so that the user perceives a pleasant indoor climate more quickly than if the entire interior air had to be tempered first.
  • a development of the method according to the invention provides that the user receives an optical and / or acoustic feedback on his priority input regarding a resulting efficiency of the air conditioning device and / or a range of the vehicle.
  • an input of the priority value for the air conditioning speed by the user via a touch-sensitive element.
  • an input of the priority value for the air conditioning speed by the user via a touch-sensitive element.
  • Color coding the user an impression of the consequences of his selection on the range or generally on the energy efficiency are presented.
  • the background color of a shift greed on a touchscreen may change as the position of the slider is changed by the user.
  • the user can also be shown the currently calculated range as a function of his selection. The user can then decide directly whether the immediately apparent change in the range is acceptable, or whether he prefers to forego a particularly rapid tempering of the interior and thus increases the range.
  • the range can be displayed as absolute value in km, or it can also be a Range change, which results from the input of the user, also be displayed in the unit km. In this case, the system forms the difference between the range before the user input and after the user input and shows this to the user.
  • the target temperature may be modified by an offset amount toward an outside temperature. In other words, in this case, not only the time until reaching the
  • Target temperature is influenced, but also the target temperature itself is modified to allow a permanent energy saving. In case of heating is accordingly the
  • Setpoint temperature is lowered, and in cooling the setpoint temperature is increased.
  • the size of the offset can depend on the priority value. For example, a
  • Priority value of 50% of the maximum value a first amount of e.g. 0.5 ° C by which the target temperature is then modified, a priority value of 25% of the maximum value can be assigned to a second amount of e.g. 1, 0 ° C, and a priority value of 0% of the maximum value, that is, the minimum priority value for the
  • Air conditioning speed a third amount of e.g. 2.0 ° C are assigned to the then the setpoint temperature is modified.
  • the numerical values serve here only as an example to clarify the principle.
  • 1 shows an embodiment of a user interface for inputting the priority value.
  • FIG. 1 shows a user interface 2 for inputting the priority value for the user
  • the user interface 2 is designed as a touch-sensitive element in a display. By touching the user interface 2, the user can set the priority value.
  • the currently selected priority value can be replaced by a
  • values corresponding to marker positions in the left area 4 of the bar are values at which the efficiency of the air conditioning operation has priority.
  • the priority value for the air conditioning speed has a low value.
  • the "time to comfort" ie the time until reaching the setpoint temperature, has priority. This corresponds to a high value for the priority value for the air conditioning speed.
  • an operating procedure is illustrated in which the user sets a priority value, which is initially relatively high, for the user
  • the process can be presented to the user by moving a marker with his finger within the user interface 2.
  • a color coding is shown here.
  • a green gradient in region 4 which corresponds to energy efficiency prioritization
  • red in region 6 which corresponds to a prioritization of rapid air conditioning speed.
  • Air conditioning speed will have its input.
  • the entire bar may also discolor, thus making it clear to the user upon his input what his choice will have for an effect on efficiency and air conditioning speed.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Un procédé de commande d'un dispositif de climatisation pour véhicule automobile est caractérisé par les étapes suivantes : a. demander une température de consigne Tsol pour l'intérieur du véhicule, b. demander une valeur de priorité P d'une vitesse de climatisation par rapport au rendement énergétique de la climatisation, c. sélectionner un mode de fonctionnement du climatiseur en fonction de la valeur de priorité P demandée, et d. commander des composants du dispositif de climatisation en fonction du mode de fonctionnement sélectionné.
PCT/EP2019/058313 2018-04-19 2019-04-02 Procédé de commande d'un dispositif de climatisation pour véhicule automobile Ceased WO2019201593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018205958.6 2018-04-19
DE102018205958.6A DE102018205958A1 (de) 2018-04-19 2018-04-19 Verfahren zur Steuerung einer Klimatisierungsvorrichtung für ein Kraftfahrzeug und Klimatisierungsvorrichtung zur Klimatisierung eines Innenraums eines Kraftfahrzeugs

Publications (1)

Publication Number Publication Date
WO2019201593A1 true WO2019201593A1 (fr) 2019-10-24

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Application Number Title Priority Date Filing Date
PCT/EP2019/058313 Ceased WO2019201593A1 (fr) 2018-04-19 2019-04-02 Procédé de commande d'un dispositif de climatisation pour véhicule automobile

Country Status (2)

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DE (1) DE102018205958A1 (fr)
WO (1) WO2019201593A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210268867A1 (en) * 2020-03-02 2021-09-02 Ford Global Technologies, Llc Smart vehicle heating and cooling systems and methods

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007056656A1 (de) * 2007-11-24 2009-05-28 GM Global Technology Operations, Inc., Detroit Klimatisierungsverfahren und Klimaanlage
DE112010005520T5 (de) * 2010-04-27 2013-02-21 Toyota Jidosha K.K. Brennstoffzellensystem
JP2013166468A (ja) 2012-02-15 2013-08-29 Denso Corp 車両用空調装置
DE102013207205A1 (de) * 2012-05-02 2013-11-07 Suzuki Motor Corporation Klimaanlage für Fahrzeuge
WO2014109103A1 (fr) * 2013-01-08 2014-07-17 クラリオン株式会社 Dispositif de commande de climatisation et procédé de commande de climatisation
DE112015002482T5 (de) * 2014-05-27 2017-03-02 Denso Corporation Heizsystem für ein Fahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19735316B4 (de) * 1997-08-14 2006-04-20 Bayerische Motoren Werke Ag Anzeigeeinheit einer Fahrzeug-Heiz- oder Klimaanlage
JP4382761B2 (ja) * 2006-02-28 2009-12-16 トヨタ自動車株式会社 ハイブリッド車両
JP4858573B2 (ja) * 2009-05-18 2012-01-18 株式会社デンソー エアコン制御装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007056656A1 (de) * 2007-11-24 2009-05-28 GM Global Technology Operations, Inc., Detroit Klimatisierungsverfahren und Klimaanlage
DE112010005520T5 (de) * 2010-04-27 2013-02-21 Toyota Jidosha K.K. Brennstoffzellensystem
JP2013166468A (ja) 2012-02-15 2013-08-29 Denso Corp 車両用空調装置
DE102013207205A1 (de) * 2012-05-02 2013-11-07 Suzuki Motor Corporation Klimaanlage für Fahrzeuge
WO2014109103A1 (fr) * 2013-01-08 2014-07-17 クラリオン株式会社 Dispositif de commande de climatisation et procédé de commande de climatisation
DE112015002482T5 (de) * 2014-05-27 2017-03-02 Denso Corporation Heizsystem für ein Fahrzeug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210268867A1 (en) * 2020-03-02 2021-09-02 Ford Global Technologies, Llc Smart vehicle heating and cooling systems and methods
US11577578B2 (en) * 2020-03-02 2023-02-14 Ford Global Technologies, Llc Smart vehicle heating and cooling systems and methods

Also Published As

Publication number Publication date
DE102018205958A1 (de) 2019-10-24

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