EP1708900A1 - Procede pour reguler des buses d'air servant a la climatisation d'un vehicule automobile - Google Patents

Procede pour reguler des buses d'air servant a la climatisation d'un vehicule automobile

Info

Publication number
EP1708900A1
EP1708900A1 EP05706892A EP05706892A EP1708900A1 EP 1708900 A1 EP1708900 A1 EP 1708900A1 EP 05706892 A EP05706892 A EP 05706892A EP 05706892 A EP05706892 A EP 05706892A EP 1708900 A1 EP1708900 A1 EP 1708900A1
Authority
EP
European Patent Office
Prior art keywords
air
air nozzle
nozzle
actuator
sensor
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
EP05706892A
Other languages
German (de)
English (en)
Inventor
Wilhelm Baruschke
Dieter Heinle
Dietrich Klinger
Karl Lochmahr
Eric Pitz
Klaus Voigt
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1708900A1 publication Critical patent/EP1708900A1/fr
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 [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/3457—Outlets providing a vortex, i.e. a spirally wound air flow
    • 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
    • B60H1/00814—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
    • 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
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/345—Nozzles; Air-diffusers with means for adjusting divergence, convergence or oscillation of air stream
    • 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
    • B60H3/00—Other air-treating devices
    • B60H3/0007—Adding substances other than water to the air, e.g. perfume, oxygen
    • B60H3/0014—Adding substances other than water to the air, e.g. perfume, oxygen characterised by the location of the substance adding device
    • B60H3/0028—Adding substances other than water to the air, e.g. perfume, oxygen characterised by the location of the substance adding device on or near an air outlet

Definitions

  • the invention relates to a method for regulating air nozzles for air conditioning a motor vehicle according to the preamble of claim 1.
  • the air nozzles are usually adjusted by hand, even while driving, which means that when the driver wants to adjust one or more air nozzles, it is at least momentarily deflected.
  • an automatic heating and / or air conditioning system for vehicles with automatically adjustable air nozzles is known.
  • horizontal and vertical slats are provided for setting the direction and air quantity flaps are provided for setting the air quantity, the slats and the air quantity flaps being driven by a motor.
  • a nozzle control panel is provided, on which at least one control element is arranged, which specifies a predetermined standard program for the adjustment of the slats and air volume flaps.
  • the object of the invention is to provide an improved method for regulating air nozzles.
  • a method for regulating or controlling an air nozzle for air conditioning a motor vehicle is provided.
  • Actuators for air direction control (air outflow direction - up / down, left / right) and / or actuators for controlling the air jet expansion between a directed air outflow ("spot") and a diffuse air outflow (“diffuse”) are assigned to the air nozzle.
  • Such air nozzles for the optional setting of a directed air outflow (“spot”) and a diffuse air outflow (“diffuse”) are preferably designed as swirl nozzles, in which both the diffuse outflow characteristic, by means of a swirl impressed on the outflowing air, and the directed outflow is realized.
  • a swirl is embossed, for example, by means of spirally arranged air guidance elements, as in the unpublished German patent application with the file number 10 2004
  • Such nozzles which can in particular be controlled automatically, are generally also referred to as comfort nozzles.
  • a fan device for the air quantity control device and / or a heating device for temperature control can be provided.
  • At least one sensor, for example for the temperature or air speed, is arranged in the air nozzle or externally to record measured values. The measured values are used for the automatic adjustment of the air nozzle.
  • the automatic regulation or adjustment of the air nozzle (s), in particular that of the driver's side and center nozzle (s), enable optimum comfort for the driver, without this one manual adjustment of the air nozzles, which would affect his attention to traffic.
  • the automatic setting preferably changes the air jet expansion between the spot jet and diffuse outflow and / or the direction setting of the air nozzle (left / right, up / down) and / or the amount of air that enters the vehicle interior through the air nozzle, and / or the outflow velocity of the air exiting through the air nozzle, the regulation taking place as a function of measured values, such as the current interior temperature, or also the ambient or outside temperature, which are determined by one or more sensors in the vehicle interior.
  • the automatic setting can preferably change the mixing ratio of warm and cold air which enters the vehicle interior through the air nozzle, so that an optimal and, if necessary, the fastest possible change in the temperature control is possible.
  • cold and warm air is preferably fed separately to the air nozzle, regulated by air flaps or similar devices, mixed in the air nozzle and fed to the vehicle interior.
  • the temperature of the air exiting into the vehicle interior can also be controlled by heating elements, e.g. PTC elements, or cooling devices, e.g. Peltier elements, directly inside or just before the air nozzle, can be changed if necessary within a short reaction time until the cooling or heating capacity of the air conditioning system has been adjusted, if necessary, and the air at the correct temperature reaches the air nozzle.
  • heating elements e.g. PTC elements
  • cooling devices e.g. Peltier elements
  • the air nozzle Furthermore, an automatic adjustment of the air humidity in the air which enters the vehicle interior through the air nozzle is possible.
  • moisture is removed from the air supplied to the vehicle interior or, if necessary, added.
  • the air nozzle is preferably regulated as a function of the sun's radiation, since when the sun is low, one side of the vehicle interior can be heated up considerably and comfort can be impaired, so that the cooling capacity is preferably increased automatically by a corresponding change in the air nozzle settings in the area concerned.
  • the automatic setting preferably also includes a fragrance or fragrance which is added to the air which enters the vehicle interior through the air nozzle and which and / or its concentration can be changed when one or more of the measured values determined by one or more sensors change.
  • At least one sensor is preferably provided for determining the surface temperature of at least one part of the body of an occupant. With the aid of such a sensor, an air jet can be aligned such that the occupant has the greatest possible comfort with an optimal temperature distribution without the feeling of a draft.
  • a plurality of sensors are preferably provided for the optimization of the air nozzle settings, which sensors determine, for example, the seat occupancy and / or seat position and / or seat posture and / or size of the occupant.
  • the non-occupancy detection may make it possible to deactivate individual air nozzles or these air nozzles can be used to air-condition other climatic zones.
  • the air supply can be regulated accordingly, preferably the settings are shifted in the “diffuse” direction, so that the child or baby is protected from drafts.
  • the seat position is preferably an automatic change in the height adjustment and the side adjustment of the exiting air jet, however an air quantity adjustment and a change in the adjustment with respect to the “spot / diffuse” adjustment can also take place. The same also applies to the sitting posture.
  • a sensor preferably determines the condition of one or more windows and / or a sliding roof and / or a convertible top to control the air nozzle (s) accordingly, since for example an open side window also leads to a draft in the rear area , so that an adjustment of the air supply makes sense. If necessary, a strong, upward air jet can also deflect the draft from the area of the rear seat, especially when occupied by a baby seat or a child seat, but this depends on the vehicle interior geometry and other circumstances.
  • Individual or all sensors are preferably assigned to individual climatic zones, so that an optimized temperature control is possible in each climatic zone through the air nozzle setting.
  • the program is preferably capable of learning, i.e. it saves manual setting changes taking into account the other parameters while changing the default settings, so that when the same or a similar situation occurs again, a correspondingly changed automatic air nozzle setting he follows.
  • the invention further relates to an air conditioning or heating system which is equipped with at least one air conditioning control unit, one or more air nozzles, at least one air nozzle being a heating device and / or an air volume control device and / or an actuator for air volume control.
  • Direction and / or a fan device and / or an actuator for controlling a fan device and / or an actuator for air direction control device and / or an actuator for controlling the air jet expansion is assigned, and at least one sensor is equipped for recording measured values.
  • a program for automatically regulating the air nozzle as a function of measured values and setting values is assigned to the climate control device. This program is particularly capable of learning and can, for example, save and execute recurring process instructions.
  • FIG. 1 shows a functional diagram for an automatic adjustment of the center nozzles with regard to the “spot” and “diffuse” positions
  • FIG. 3 shows a representation of the modular construction of a climate control device according to a variant
  • FIG. 5 is a block diagram for the system integration of comfort air nozzle controls
  • 6 shows a functional diagram for regulating the flow direction “up / down” of a left side nozzle
  • 7 shows a functional diagram for regulating the flow direction “left / right” of a left side nozzle
  • FIG. 8 shows a functional diagram of the air jet expansion between “spot” and “diffuse” of a left side nozzle.
  • a motor vehicle air conditioning system of basically conventional design has an operating unit 1 which is arranged in the center console of the motor vehicle and in which the air conditioning control is at least partially integrated.
  • the control unit 1 is part of an assembly 2, which in the exemplary embodiment shown also comprises two center nozzles 3, a center nozzle 3 ′ being assigned to the driver and a center nozzle 3 ′′ to the front passenger.
  • the control unit 1 comprises the known setting options for vehicle air conditioning, in the present case a rotary control 4 for setting the temperature setpoint, a rotary control 5 for setting the fan power, a rotary control 6 for setting the air distribution of the air conditioning system, a switch 7 for operating the air conditioning (AC) and a switch 8 for the recirculation mode 1 can be seen, the center nozzles 3 are integrated in the same front, namely that of module 2, as the rotary controls and switches 4 to 8.
  • the design of module 2 with control unit 1 and center nozzles 3 results, among other things, in a considerable simplification of the final assembly ,
  • Fig. 3 the modular structure of the climate control device according to a variant with independent control of the right and left center nozzle 3 is shown schematically.
  • the temperature setpoint set via the rotary control 4 the interior temperature determined by the interior temperature sensor, the fan power set via the rotary control 5, the air distribution set via the rotary control 6, the activation or deactivation of the air conditioning system on the Switch 7, the activation or deactivation of the recirculation mode via switch 8, and a number of other measured values from different sensors, such as, in particular, an outside temperature sensor, a pressure sensor and a sensor for determining the solar radiation, are fed to the climate control.
  • the climate control system evaluates the input parameters and, in the event of changes, outputs signals to various elements of the air conditioning system, such as flaps or fans, and of the vehicle, such as the compressor and fan, so that the settings can be changed if necessary.
  • Part of the climate control is also the setting of the center nozzles 3, for which, depending on the rotary controller 6, the servomotor for the flow direction up / down and / or the servomotor for the flow direction left / right and / or the servomotor for the air jet expansion spot / diffuse for the left and / or right center nozzle 3 is actuated.
  • a common control of the right and left center nozzles 3 is provided, so that the servomotors left / right for the flow direction up / down and the flow direction left / right and the air jet expansion spot / diffuse take place in accordance with one another.
  • a common servomotor can be provided for the right and left center nozzle 3, so that the number of servomotors is halved from six to three.
  • the air jet expansion spot / diffuse is automatically controlled, as shown in FIG. 1, depending on the selected target temperature, the sun exposure and the outside temperature. With the setting "cooling" and high solar radiation and / or high outside temperature, there is an automatic slight shift from the "diffuse" position in the direction of the spot beam. In operation with minimal cooling or heating, an automatic air jet expansion takes place in a diffuse jet, which in the case of heating changes into an intermediate state between the spot and diffuse slope.
  • the side nozzles are designed accordingly, that is to say that the control unit is arranged at the side nozzles instead of the center nozzles.
  • the side nozzles are controlled with a corresponding setting corresponding to that of the center nozzles.
  • an automatic adjustment of the air nozzle with regard to the jet expansion takes place, preferably with prior appropriate programming or setting “automatic nozzle control”, so that the No adjustment process or activation of a setting process has to be carried out at the appropriate time, as a result of which the driver is not distracted and the most comfortable nozzle setting (based on experience) is automatically set.
  • manual control is not excluded.
  • manual changes are stored and included in the determination of the optimal comfort state, so that the specified values are continuously optimized.
  • Each air nozzle is a sensor system, ie a number of sensors, such as temperature sensor, air speed sensor, air humidity sensor, air quality sensor, and an actuator system, such as a motor for driving a fan, cooling device (e.g. Peltier element), heating element (e.g. PTC element), scenting device, humidification / drying device, motor for setting the flow direction up / down, motor for setting the flow direction left / right and motor for expanding the jet stream (spot / diffuse).
  • the measured values determined by the sensors are fed via a sub-bus system, e.g. LIN (Local Interconnect Network), to the Kiima control unit, which controls the climate function and regulates the comfort air nozzles.
  • LIN Local Interconnect Network
  • a direct control of the air nozzle actuators and a direct detection of the air nozzle sensors are also provided instead of the sub-bus system.
  • Other sensors such as one or more surface temperature sensors (e.g. thermopile sensors), fatigue warning sensors (alert control sensors), incorrect position sensors (out of position sensors), supply the climate control unit with further measured values.
  • surface temperature sensors e.g. thermopile sensors
  • fatigue warning sensors e.g. accelerometers
  • incorrect position sensors out of position sensors
  • Other conventional climate sensors provide further measured values.
  • soli values can be changed manually via remote controls that are assigned to the individual seats or zones, or by direct input, for which the corresponding data are also made available to the climate control unit.
  • This Kiima control unit is also networked on the vehicle side, in the present case via CAN (Controller Area Network), as a result of which the entire sensor system, which is not directly associated with the air conditioning, is made
  • a main controller determines the main actuator sizes Y_ii and Y_re, which, together with other measured values from the solar sensor, humidity sensor, and setting values such as the blower setpoint, the seat position, the Kiima style and the manual air nozzle settings, are further processed and to the respective control values for the individual air nozzles, namely the left side nozzle (Y_SD_li), the left center nozzle (Y_MD_li), the right center nozzle (Y_MD_re) and the right side nozzle (Y_SD_re) are evaluated so that the respective actuators top / bottom, left / right, spot / are operated diffusely (shown in Fig. 5 as state vectors).
  • FIG. 6 shows an example of a functional diagram for the flow direction setting "up / down" of the left side nozzle as a function of the controller manipulated variable Y_SD_li.
  • cooling mode Y_SD_li «0%
  • Directed automatic setting of the air flow direction of the side nozzle is preferred, whereas in the neutral range (-10% ⁇ Y_SD_ii ⁇ 10%) the air jet tends to be set down.
  • the determined basic setting is overlaid by the parameter "seat position".
  • the setting is automatically adjusted from top to bottom when the seating position is moved backwards. Accordingly, the setting is automatically adjusted from bottom to top when the seating position is moved forward.
  • Fig. 7 shows an example of a functional diagram for the flow direction setting "left / right" of the left side nozzle as a function of the controller manipulated variable Y_SD_ii.
  • cooling mode Y_SD_Ii «0%
  • heating mode Y_SD_ii »0%
  • an adjustment in the direction of the side window makes sense, especially to prevent fogging "Moisture sensor” and "Solar sensor” overlaid.
  • the air jet is directed towards the side window when the sun is shining in cooling mode. Appropriate alignment takes place in the range from light cooling to heating mode with increased humidity values, so that the side windows are automatically kept free of fogging.
  • the so-called fatigue wam sensor (alert control sensor) can be considered as a further parameter for setting the air jet expansion. If attention is dwindling, for example detected via the eyelid flap, there is an automatic adjustment in the direction of the "spot" and / or an automatic temperature reduction.
  • FIGS. 6 to 8 The functional diagrams of FIGS. 6 to 8 are shown by way of example for the left side nozzle. With appropriate adjustment, the functions can be transferred to the right side nozzle and to the two center nozzles. Reference character list
  • Control unit assembly central nozzle 'central nozzle assigned to the driver "central nozzle assigned to the passenger rotary control for setting the temperature setpoint rotary control for setting the blower output rotary control for setting the air distribution switch for actuating / switching off the air conditioning switch for circulating air operation

Landscapes

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

Abstract

L'invention concerne un procédé pour réguler une buse d'air (3) servant à la climatisation d'un véhicule automobile. Un actionneur servant à commander un dispositif d'aération et/ou un actionneur servant à commander la largeur du jet d'air et/ou un actionneur servant à commander la direction de l'air et/ou un dispositif de chauffage sont associés à cette buse d'air (3). Ce procédé fait appel à au moins un détecteur (3) servant à l'acquisition de valeurs de mesure. La régulation de la buse d'air (3) s'effectue en fonction des valeurs de mesure du détecteur.
EP05706892A 2004-01-15 2005-01-14 Procede pour reguler des buses d'air servant a la climatisation d'un vehicule automobile Ceased EP1708900A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004002364 2004-01-15
DE102004026912 2004-06-01
PCT/EP2005/000351 WO2005068232A1 (fr) 2004-01-15 2005-01-14 Procede pour reguler des buses d'air servant a la climatisation d'un vehicule automobile

Publications (1)

Publication Number Publication Date
EP1708900A1 true EP1708900A1 (fr) 2006-10-11

Family

ID=34751382

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05706892A Ceased EP1708900A1 (fr) 2004-01-15 2005-01-14 Procede pour reguler des buses d'air servant a la climatisation d'un vehicule automobile
EP05715190A Not-in-force EP1708901B1 (fr) 2004-01-15 2005-01-14 Procédé d'operation pour un système de chauffage, de ventilation ou de climatisation

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05715190A Not-in-force EP1708901B1 (fr) 2004-01-15 2005-01-14 Procédé d'operation pour un système de chauffage, de ventilation ou de climatisation

Country Status (6)

Country Link
US (2) US20080003938A1 (fr)
EP (2) EP1708900A1 (fr)
JP (2) JP2007517726A (fr)
AT (1) ATE474729T1 (fr)
DE (3) DE102005002067A1 (fr)
WO (2) WO2005068233A1 (fr)

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JP2007517725A (ja) 2007-07-05
DE102005002062A1 (de) 2005-09-01
US20080003938A1 (en) 2008-01-03
US20080105754A1 (en) 2008-05-08
ATE474729T1 (de) 2010-08-15
DE502005009947D1 (de) 2010-09-02
DE102005002067A1 (de) 2005-08-11
EP1708901B1 (fr) 2010-07-21
JP2007517726A (ja) 2007-07-05
WO2005068233A1 (fr) 2005-07-28
EP1708901A1 (fr) 2006-10-11

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