WO2003055707A1 - Dispositif de commande pour systeme de chauffage, de ventilation et/ou d'air conditionne - Google Patents

Dispositif de commande pour systeme de chauffage, de ventilation et/ou d'air conditionne Download PDF

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Publication number
WO2003055707A1
WO2003055707A1 PCT/IB2002/005623 IB0205623W WO03055707A1 WO 2003055707 A1 WO2003055707 A1 WO 2003055707A1 IB 0205623 W IB0205623 W IB 0205623W WO 03055707 A1 WO03055707 A1 WO 03055707A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
control device
control unit
conditioning system
ventilating
Prior art date
Application number
PCT/IB2002/005623
Other languages
English (en)
Inventor
Michael Schwenzer
Original Assignee
Valeo Klimasysteme Gmbh
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 Valeo Klimasysteme Gmbh filed Critical Valeo Klimasysteme Gmbh
Priority to AU2002353409A priority Critical patent/AU2002353409A1/en
Publication of WO2003055707A1 publication Critical patent/WO2003055707A1/fr

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 [HVAC] 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
    • B60H1/00864—Ventilators and damper doors
    • 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 [HVAC] 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 [HVAC] 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 [HVAC] 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
    • B60H1/0075—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 the input being solar radiation
    • 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 [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00978—Control systems or circuits characterised by failure of detection or safety means; Diagnostic methods
    • 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 [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H2001/006—Noise reduction

Definitions

  • Control device for a heating, ventilating and/or air- conditioning system
  • the invention relates to a control device for a heating, ventilating and/or air conditioning system, in particular for vehicles.
  • operating elements such as, for example, rotary temperature switch, rotary fan switch, rotary air-distribution switch and/or on/off switch for the air conditioning system, are provided in the vehicle interior.
  • a heating, ventilating and/or air conditioning system of this type which is usually fitted with an electronic control unit controls the actuating elements assigned to the operating elements, for example, the heat exchanger flap for the blow-out temperature, the fan for the air quantity and/or the flaps for setting the air-discharge locations, merely as a function of said operating elements and, if appropriate, as a function of operating parameters, such as the outside temperature and cooling-water temperature.
  • the actuating elements assigned to the operating elements for example, the heat exchanger flap for the blow-out temperature, the fan for the air quantity and/or the flaps for setting the air-discharge locations, merely as a function of said operating elements and, if appropriate, as a function of operating parameters, such as the outside temperature and cooling-water temperature.
  • Air conditioning systems are designed to the effect that the desired inside temperature is set as rapidly as possible. For example, in summer operation as much cold air as possible is blown into the interior owing to the high outside temperatures, and in winter operation as much hot air as possible is blown into the interior owing to the low outside temperatures. In these extreme situations, the fan operates in the high power range and air swirls are inevitably produced as the air enters the vehicle interior, said air swirls leading at higher fan stages to clearly perceptible, acoustic loudness levels and noise annoyance.
  • the object of the present invention is to develop [lacuna] a known heating, ventilating and/or air conditioning system, in particular for a motor vehicle, a control device having a control unit which receives input signals, in such a manner that the safety and the climatic comfort of the occupants [lacuna] the overall comfort in the vehicle interior is increased.
  • this object is achieved by a control device for a heating, ventilating and/or air conditioning system, in particular for vehicles, being connected to a control unit which, on reception of a predefined input signal, switches the heating, ventilating and/or air conditioning system into a quieter mode where account is taken of parameters which are relevant to safety and are influenced by the heating, ventilating and/or air conditioning system, such as, for example, demisting and defrosting operation, and also outside temperature, inside temperature, humidity, air distribution and air quantity.
  • the invention provides a system which at least temporarily reduces the production of noise in the vehicle interior. This clearly perceptible, acoustic reduction in noise considerably increases the comfort in the vehicle interior for the vehicle occupants.
  • the driver does not need to manually control the fan stage in order to reduce the sound intensity or loudness level, but can keep both hands on the steering wheel and concentrate on the road traffic.
  • the control unit can advantageously reduce the air throughput of individual air ducts, in particular air ducts leading to the vents.
  • the air ducts leading to the passenger compartment i.e. to the vehicle occupants, can primarily be selected.
  • air ducts which are orientated to defrosting operation for deicing windows and/or demisting can also be turned down via a control device if this is possible in terms of safety..
  • the noise intensity in the vehicle interior is reduced and important traffic announcements can be better understood or telephone conversations conducted and understood without various interventions being required in order to lower the noise level and, if appropriate, to retain demisting or else merely air conditioning more or less as required.
  • the air throughput from the air ducts to the vents can be reduced, in which case the fan is optionally switched into a quieter mode, said modes being selected as a function of the occupation of the vehicle or, if the signal origin can be localized, as a function of the or the ducts leading to this place.
  • sensors can be fitted on the seat surfaces in order to establish which seats in the vehicle are occupied.
  • sensors which, for example, operate passively, i.e. they contain the temperature of the interior when the vehicle is started up and, as soon as a passenger sits down, a change in the temperature of the sensor takes place.
  • sensors which can actively determine the flow of heat between the sensor and the body of the passenger.
  • the localization of the vehicle occupants can also take place using other known localization methods. Depending on whether a seat is occupied or not, the feeding of air can be controlled and the system switched into a quieter mode.
  • a further advantage resides in the fact that, in the case of the control device according to the invention, one or more detection devices can be provided in order to determine parameters which are relevant to safety, are influenced by the heating, ventilating and/or air conditioning system or influence the operation of said system, such as outside temperature, inside temperature, humidity, air distribution and air quantity.
  • a detection device may, for example, be formed from electronic receiving or measuring elements of a measuring device or sensors which are fitted at certain points in the car. These include, for example, moisture and misting sensors on the windows, temperature sensors in the outside region and in the vehicle interior, anemometric sensors for measuring the air speed and sensors for the solar and surface radiation. These detection devices deliver measurement data and information to the control unit where they can be evaluated and passed on to the actuating elements for the air distributor flaps and the fan.
  • the control unit is advantageously coupled to an electronic entertainment device.
  • the control unit can therefore be connected, for example, to the car radio in order to use a predefined reception signal, which can switch the car radio to quiet, in order to control or adjust the system, or else simply just the fan, into a quieter mode.
  • the predefined input signals can be transmitted to the control unit, evaluated and passed on via a serial interface, in particular CAN, K-Line, LIN, bus system or else in a wireless manner.
  • a serial interface in particular CAN, K-Line, LIN, bus system or else in a wireless manner.
  • the control unit can comprise a storage device in order, on reception of the predefined input signal, to store the current settings. If the predefined input signal is received, for example a signal which indicates a telephone conversation, then the settings or parameters, in particular inside temperature, fan stage, air distribution and air quantity, and the desired air conditioning values, are stored. The information obtained can be stored, in particular, in an EEPROM (Electrical Erasable Programmable Read Only Memory) , Flash-EPROM or in another program store.
  • EEPROM Electrical Erasable Programmable Read Only Memory
  • the stored settings are advantageously restored after the input signal is terminated.
  • the control method according to the invention restores the previously stored parameters as rapidly as possible.
  • the information may concern the actual value of the inside temperature, air distribution and air quantity directly before reception of the predefined input signal .
  • input devices are provided for the user in order to produce a third defined input signal and to be able to switch off the quiet mode again. If the vehicle occupant does not wish to give up the desired climatic settings, he has the option of restoring the current air conditioning settings via already known input devices, such as, for example, switches, tip switches, push buttons or by speech input. The input settings can be restored in this case in a particularly simple manner.
  • certain predefined states in which switching to quiet mode is blocked, can be stored in the control unit.
  • account is taken of settings relevant to safety, such as the defrosting operation for deicing the windows and/or demisting the front, rear and side windows.
  • Fig. 1 shows a schematic side view of a front part of a vehicle having a control device for an air conditioning system.
  • Air conditioning systems for vehicles are adequately known and do not therefore need to be described in greater detail here. In addition to the temperature, they also regulate the air circulation and optionally the humidity.
  • the air conditioning system 1 comprises, in a manner customary per se and in general, a fresh air/intake duct 30 and a circulating air/intake duct 32 which is connected via a fan 40 and a heating/cooling device 42 to a mixing chamber 2.
  • the mixing chamber 2 has openings to the vehicle interior 6. Via air distributor flaps 52, 54, 56, the supply of air can be directed to the defrosting/demisting openings 38, to the vent openings 34 and to the footwell blow-out openings 36.
  • Air conditioning systems are designed to the effect that an optimum inside temperature is achieved in the vehicle interior 6. In summer a large amount of cold air is required in the interior 6 owing to the high outside temperatures and in winter a large amount of hot air is required in the interior 6 owing to the low outside temperatures.
  • the air conditioning system illustrated here comprises a plurality of detection devices, such as, for example, an outside temperature sensor 10, a moisture/demisting sensor 12, an interior temperature sensor 14, a seat sensor 16, a sun sensor 18 and a moisture/demisting sensor 20, which sensors are connected to the inputs of a control unit 46 of a control device 44.
  • the outputs of the control unit 46 are connected to the air distributor flaps 52, 54, 56 and the circulating air/fresh air flap 50 and to the fan 40.
  • the sensors 10 to 20 pass on their data to the control unit 46 where they are stored, evaluated and compared with parameters which are relevant to safety.
  • control device 44 is provided with a storage device 48 which is accommodated in a control unit 46 in order to be able to transfer the air conditioning system 1 into a quiet mode.
  • a predefined input signal such as a signal representing an incoming or outgoing telephone conversation, is passed on to the control unit 46.
  • the control unit 46 stores the settings and parameters and the desired air conditioning values in the storage device 48 and checks whether there are parameters relevant to safety and then accordingly returns the supply of air into the vehicle interior 6 to the vent openings 34, footwell blow-out openings and defrosting/demisting openings 38 in order to reduce the noise level and consequently to increase the picking up of information.
  • the stored settings and parameters can be restored by the storage device 48 and the desired air conditioning can be set.
  • Parameters relevant safety are given if the windows of the vehicle 4 mist up in cool and moist weather.
  • the moisture/misting sensor 20 emits a defined signal to the control unit 46.
  • the air conditioning system 1 first of all cools the air, in which case it loses moisture, and then heats it up again.
  • the dried air can now absorb much more moisture than the moist outside air or the circulating air. If the dry air is now passed to the windows of the vehicle 4 via the defrosting/demisting openings 38, the misting disappears. In this period of time, a reduction or switching off of the supply of air to the windows in the context of the use of the quiet mode is not possible.
  • parameters relevant to safety are provided if the air conditioning system 1 is in defrosting operation. At critical temperatures below 3°C, there is the possibility of the windows of the vehicle 4 icing up.
  • the outside temperature sensor 10 and the inside temperature sensor 14 pass on their measured data to the control unit 46.
  • the control unit 46 emits a signal to the air conditioning system 1 and directs the strongly heated-up air via the defrosting/demisting openings 38 to the windows and deices the latter. During this time, a switching into the quiet mode is not possible or is possible only by the user himself or to the extent that, for example, just the vent openings 34 are changed.
  • the noises which are acoustically perceptible in the vehicle interior 6 due to the air conditioning system 1 can be reduced by readjusting, in particular, the vent openings 34 which are significant in terms of noise.
  • the vehicle occupant has the option of conducting a telephone conversation and of receiving important traffic information, since he is no longer disturbed due to the increased noise level because of the air swirls at the discharge openings 34, 36, 38.
  • the user has the option, at least for a short time, of directing the air conditioning system 1 into a quieter mode in order, for example, to be able to better converse with the vehicle occupants in the rear seat region or to be able to hear a music title without being disturbed.
  • the control unit 46 is additionally or optionally coupled to an electronic entertainment device 60 and turns down the air conditioning system 1, for example in the case of important traffic announcements and news.
  • sensors 18 are fitted, for example, to the seat surfaces so that it can be established which positions in the vehicle 4 are occupied. This information is passed on to the control unit 46. By locating the vehicle occupants, the control unit 46 can turn down the air conditioning system 1 in the event of an incoming and/or outgoing signal, in particular in the regions in the vehicle 4 in which people are situated.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de commande (44) pour un système de chauffage, de ventilation et/ou d'air conditionné, en particulier pour des véhicules (4), présentant une unité de commande (46) recevant des signaux d'entrée. Cette unité de commande (46), à la réception d'un signal d'entrée prédéfini, peut transférer le système en mode plus calme dans lequel il est tenu compte de paramètres pertinents à la sécurité, qui sont influencés par le système de chauffage, de ventilation et/ou d'air conditionné, ou qui influencent le fonctionnement dudit système.
PCT/IB2002/005623 2001-12-28 2002-12-24 Dispositif de commande pour systeme de chauffage, de ventilation et/ou d'air conditionne WO2003055707A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002353409A AU2002353409A1 (en) 2001-12-28 2002-12-24 Control device for a heating, ventilating and/or air-conditioning system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10164375A DE10164375A1 (de) 2001-12-28 2001-12-28 Steuerungsvorrichtung für eine Heiz-, Belüftungs- und/oder Klimaanlage
DE10164375.6 2001-12-28

Publications (1)

Publication Number Publication Date
WO2003055707A1 true WO2003055707A1 (fr) 2003-07-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/005623 WO2003055707A1 (fr) 2001-12-28 2002-12-24 Dispositif de commande pour systeme de chauffage, de ventilation et/ou d'air conditionne

Country Status (3)

Country Link
AU (1) AU2002353409A1 (fr)
DE (1) DE10164375A1 (fr)
WO (1) WO2003055707A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1727124A1 (fr) * 2005-05-27 2006-11-29 Valeo Systemes Thermiques Procédé de régulation du confort acoustique d' une installation
EP1923240A1 (fr) * 2005-09-05 2008-05-21 Calsonic Kansei Corporation Système de commande de conditionneur d' air de véhicule
CN104796513A (zh) * 2015-03-18 2015-07-22 惠州华阳通用电子有限公司 一种车内通话降噪方法
USRE49598E1 (en) * 2014-02-26 2023-08-08 Nissan Motor Co., Ltd. Vehicle HVAC noise control system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009032600A1 (de) 2009-07-10 2011-01-13 GM Global Technology Operations, Inc., Detroit Verfahren zur geräuschmindernden Steuerung einer Heiz-, Belüftungs- und/oder Klimaanlage eines Kraftfahrzeugs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5878809A (en) * 1995-07-20 1999-03-09 Mercedes-Benz Ag Process and system for controlling an air-conditioning system for a vehicle interior
GB2344646A (en) * 1998-12-10 2000-06-14 Rover Group A ventilation fan arrangement
DE19944735C1 (de) * 1999-09-17 2000-12-21 Siemens Ag Verfahren zum Steuern des Luftdurchsatzes bei einer Klimaanlage eines Kraftfahrzeugs
DE10027558A1 (de) * 2000-06-02 2001-12-06 Opel Adam Ag Kraftfahrzeug mit einer Heizungs-, Belüftungs- und/oder Klimaanlage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19901319C1 (de) * 1999-01-15 2000-04-13 Hella Kg Hueck & Co Steuerungsvorrichtung für eine Fahrzeuginnenraum-Klimaanlage
DE19917503C2 (de) * 1999-04-17 2003-06-18 Bayerische Motoren Werke Ag Verfahren zur Steuerung einer Heiz- und/oder Klimaanlage in Kraftfahrzeugen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5878809A (en) * 1995-07-20 1999-03-09 Mercedes-Benz Ag Process and system for controlling an air-conditioning system for a vehicle interior
GB2344646A (en) * 1998-12-10 2000-06-14 Rover Group A ventilation fan arrangement
DE19944735C1 (de) * 1999-09-17 2000-12-21 Siemens Ag Verfahren zum Steuern des Luftdurchsatzes bei einer Klimaanlage eines Kraftfahrzeugs
DE10027558A1 (de) * 2000-06-02 2001-12-06 Opel Adam Ag Kraftfahrzeug mit einer Heizungs-, Belüftungs- und/oder Klimaanlage

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1727124A1 (fr) * 2005-05-27 2006-11-29 Valeo Systemes Thermiques Procédé de régulation du confort acoustique d' une installation
FR2886444A1 (fr) * 2005-05-27 2006-12-01 Valeo Systemes Thermiques Procede de regulation du confort acoustique d'une installation
EP1923240A1 (fr) * 2005-09-05 2008-05-21 Calsonic Kansei Corporation Système de commande de conditionneur d' air de véhicule
EP1923240A4 (fr) * 2005-09-05 2009-05-20 Calsonic Kansei Corp Système de commande de conditionneur d' air de véhicule
US7775453B2 (en) 2005-09-05 2010-08-17 Calsonic Kansei Corporation Vehicle air-conditioner control system
USRE49598E1 (en) * 2014-02-26 2023-08-08 Nissan Motor Co., Ltd. Vehicle HVAC noise control system
CN104796513A (zh) * 2015-03-18 2015-07-22 惠州华阳通用电子有限公司 一种车内通话降噪方法

Also Published As

Publication number Publication date
AU2002353409A1 (en) 2003-07-15
DE10164375A1 (de) 2003-07-17

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