WO2006074778A1 - Systeme de climatisation pour vehicule a moteur - Google Patents

Systeme de climatisation pour vehicule a moteur Download PDF

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Publication number
WO2006074778A1
WO2006074778A1 PCT/EP2005/013349 EP2005013349W WO2006074778A1 WO 2006074778 A1 WO2006074778 A1 WO 2006074778A1 EP 2005013349 W EP2005013349 W EP 2005013349W WO 2006074778 A1 WO2006074778 A1 WO 2006074778A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant
heat exchanger
heat
valve
coolant
Prior art date
Application number
PCT/EP2005/013349
Other languages
German (de)
English (en)
Inventor
Thomas Finkenberger
Klaus Harm
Burkhard Scheffler
Jürgen Wertenbach
Original Assignee
Daimlerchrysler 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 Daimlerchrysler Ag filed Critical Daimlerchrysler Ag
Publication of WO2006074778A1 publication Critical patent/WO2006074778A1/fr

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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 [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • 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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3228—Cooling devices using compression characterised by refrigerant circuit configurations
    • B60H1/32281—Cooling devices using compression characterised by refrigerant circuit configurations comprising a single secondary circuit, e.g. at evaporator or condenser side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • 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
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H2001/00928—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising a secondary circuit
    • 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
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H2001/00957—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising locations with heat exchange within the refrigerant circuit itself, e.g. cross-, counter-, or parallel heat exchange
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to an air conditioning system for motor vehicles.
  • EP 0 823 344 B1 discloses a vehicle air conditioning system with a continuous flow of refrigerant, in which heat exchangers for cooling and heating are formed in a special air conditioning unit. The temperature control and ventilation of the vehicle cabin is done with this air conditioner.
  • a vehicle without conventional engine coolant electric vehicle
  • On a 4/2 way valve for reversing the flow direction in the refrigeration cycle is omitted here.
  • the switching between cooling and heating is done by appropriate deflection and barriers in a likewise disclosed, provided for this purpose air conditioner.
  • this prior art discloses a continuous refrigerant flow vehicle air conditioner in which cool air can be supplied through a face side air outlet even under the condition that a refrigerant flows continuously through a refrigerant condenser without passing the cold air through the refrigerant
  • the air conditioner includes a duct having a face-side air outlet for blowing air toward an upper body of a passenger, a defroster air outlet for blowing air toward a windshield, and a foot-side air outlet for blowing out the air Direction to the passenger's feet.
  • a refrigeration cycle with a refrigerant evaporator disposed in the channel for cooling the air by heat exchange with a low-temperature refrigerant flowing in it and with a refrigerant condenser disposed in the channel on a downstream side of the refrigerant evaporator is the air by heat exchange with a high-temperature refrigerant, which flows in it, formed.
  • the refrigerant circuit is formed such that the refrigerant for
  • Continuously flowing refrigerant condenser wherein the face-side air outlet is disposed on an upstream side of the refrigerant condenser.
  • an opening / closing door is formed on the air inlet side of the refrigerant condenser, which is closed in the cooling operation, so that the air cooled by the refrigerant evaporator is prevented from flowing into the refrigerant condenser. This prevents the continuous flow of refrigerant through the refrigerant condenser, mixing warm air with the cool air.
  • heating mode the outside air is heated by the refrigerant condenser.
  • an air conditioning system for cooling and heating is provided, with a channel system, which allows by means of a switching valve, the optional operation of two common compressor having system areas.
  • the first system area including an evaporator arranged in a ventilation housing, has the components required for a cooling operation
  • the second system area provided for a heating operation has, in addition to the compressor, essentially only one expansion valve and one heating heating exchanger serving for heating.
  • this document describes an air conditioning system with a simplified circuit of a heat pump, a "hot gas cycle" as a cost-effective way of heating with an AC system, where only the heat of compression is used for heating and no heat from the environment or other source for this reason, the efficiency is poor and the extra consumption for a comfort-increasing auxiliary heating high.
  • DE 101 63 607 A1 discloses an air conditioner for a motor vehicle with an integrated heat pump for cooling and heating, is circulated in the refrigerant and which allows heat exchange with the réelleraumzu Kunststoff of the motor vehicle.
  • the heat transfer takes place either directly by means of a refrigerant / air heat exchanger through which the interior air can flow, or by means of a secondary refrigerant circuit.
  • two expansion devices and three heat exchangers are provided in the refrigerant circuit of the heat pump.
  • heat removal from the refrigeration cycle upon cooling and introduction of heat for heating are performed continuously via engine cooling, without discrimination as to whether the air conditioner is in a heating or cooling mode.
  • Switching valves for reversing the refrigerant flow direction can be dispensed with. Avoiding the heating operation is not done by a complicated circuit of the air flow in the air conditioner, so that conventional air conditioners can be used. Due to the continuous flow direction in the circuit, d. H . the flow through all components in the same direction, no infiltration or displacement of refrigerant or. Oil off.
  • the high refrigerant discharge temperature at a compressor is significantly reduced in advance, so that the following components can be made easier due to low component temperature.
  • Fig. 1 is a block diagram of an air conditioning system according to the invention.
  • FIG. 1 explains the structure of an air conditioning system according to the invention in more detail.
  • Fig. 1 shows a first circuit connected in series successively with a compressor 4, a refrigerant / engine coolant heat exchanger 5, a first valve unit in which a first expansion valve 20 and a first shut-off valve 21 are connected in parallel, a gas cooler / condenser 6 inner heat exchanger 10, a second valve unit, in which a second expansion valve 7 and a second shut-off valve 22 are connected in parallel, an evaporator or indoor heat exchanger 8 and an accumulator or. (Refrigerant) collector 9 includes.
  • the compressor 4 is adjustable with respect to its refrigerant mass flow. Also controllable are the first and second valve units 20, 21 and 7, 22.
  • the refrigerant / engine coolant heat exchanger 5 In a second circuit, the refrigerant / engine coolant heat exchanger 5, a heating pump 30, a first and a second switching valve and a heating heat exchanger 31 are successively successively in series.
  • the first and second switching valve 32, 33 are 3/2 way valves, via which the circuit connected to the motor 34 and. the engine 34 can be bypassed.
  • the first cycle functions as indicated below.
  • the compressor 4 the refrigerant is compressed to a high pressure and a high temperature.
  • the refrigerant ideally gaseous.
  • a refrigerant for example, CO 2 or R134a can be used.
  • This gaseous refrigerant then enters the refrigerant / engine coolant heat exchanger 5 where heat is given to the engine coolant, such as water or a glycol / water mixture, thereby cooling the refrigerant.
  • the cooled refrigerant enters the first valve unit 20, 21.
  • the expansion valve 20 and the shut-off valve 21 are opened, so that in the expansion valve 20 no throttling effect occurs and the refrigerant passes through the valve unit 20, 21 without further influence. Then, the pre-cooled refrigerant enters the gas cooler / condenser 6. The gas cooler / condenser 6 is flowed through, thus forming an ambient heat exchanger, which cools the gaseous refrigerant and condenses to the ambient temperature.
  • the condensed refrigerant on the high pressure side enters the inner heat exchanger 10, in which the refrigerant is cooled below ambient temperature. Thereafter, the further cooled refrigerant to the valve unit 7, 22, in which the shut-off valve 22 is closed and throttling by the expansion valve 7 takes place, so that the refrigerant is expanded from a high pressure level to a low pressure level and thereby also cooled. Subsequently, the still further cooled refrigerant is supplied at low pressure level to the evaporator or indoor heat exchanger 8, which is a connection to the space to be cooled, such as the passenger compartment to be cooled. The evaporator or. Interior heat exchanger 8 are located in the air-flow box.
  • the warm ambient air is cooled and dehumidified.
  • the refrigerant is heated and reaches the accumulator or (refrigerant) collector 9, which may also contain a dryer.
  • the accumulator or (refrigerant -) collector 9 When passing through the accumulator or (refrigerant -) collector 9, the refrigerant does not change its state. The quality remains unchanged and it is stored in the accumulator or (refrigerant -) collector 9 only unnecessary liquid refrigerant.
  • the refrigerant reaches the low-pressure side of the inner heat exchanger 10, in which an energy exchange with the high-pressure side takes place. This leads to an energy intake and heating of the refrigerant. This also serves to overheat, so that the refrigerant is again gaseous and is fed back to the compressor 4 in gaseous form.
  • Refrigerant / engine coolant heat exchanger 5 heat withdrawn, which via an engine radiator 35, 36 in the summer, d. H . during cooling, is discharged to the environment, or is used in the mid-season on a heating heat exchanger 31 for ' reheating.
  • the refrigerant after passing through the evaporator 5 and the refrigerant / engine coolant heat exchanger 5 of the valve unit 20, 21 is supplied.
  • the valve unit 20, 21 is now controlled in such a way that the shut-off valve 21 is closed and the refrigerant has to pass through the expansion valve 20.
  • the expansion valve 20 is a throttling, so that the refrigerant to a very low pressure and a very low temperature level is brought below the ambient temperature. Subsequently, the refrigerant in the gas cooler / condenser or
  • Ambient heat exchanger 6 heat from the environment, so that a heating to the ambient temperature takes place, and then passes through the inner heat exchanger 10, without that there is a heat exchange.
  • the refrigerant is supplied to the valve unit 7, 22, in which both the shut-off valve 22 and the expansion valve 7 are opened in the heat pump mode, so that any throttling function is switched off and the refrigerant passes the valve unit 7, 22 uninfluenced and supplied to the indoor heat exchanger 8, because it also happens without energy exchange, since the temperature of the refrigerant is equal to the ambient temperature.
  • the refrigerant passes the accumulator resp. (Refrigerant -) collector 9 and the low pressure side of the inner heat exchanger 10 unaffected, d. H . without changing the state of the gaseous refrigerant, and is then fed back to the compressor 4.
  • the heat given off in the refrigerant / engine coolant heat exchanger 5 from the refrigerant to the engine coolant and outside the starting phase, as soon as the engine is warm, by corresponding circuit of the two 3/2 - way engine heat via a heat exchanger 31, as well as the indoor heat exchanger. 8 is disposed in the air box 3, delivered to the vehicle interior.
  • the air conditioning system according to the invention is robust and efficient, while having the lowest possible complexity, since only three additional components are needed.
  • the remaining components of an air conditioning circuit can continue to be used unchanged or with lower requirements.
  • the packaging is identical for an AC system with or without a heat pump with the exception of one component.
  • the refrigerant side additional volumes for the heat pump function are very low, so that practically does not change for the AC and WP operation required refrigerant mass.
  • the control of the air conditioning is very easy.
  • the air conditioning is operated until the cooling water reaches the appropriate temperature.
  • the switching off and on of the air conditioning is not perceptible in terms of comfort.

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

Abstract

Système de climatisation pour le chauffage et le refroidissement d'un flux d'air entrant dans l'habitacle d'un véhicule à moteur, qui comporte un circuit de milieu de refroidissement (1) comprenant un compresseur (4) de milieu de refroidissement pour comprimer un milieu de refroidissement essentiellement gazeux à un niveau de température et de pression élevé, un premier échangeur de chaleur (5) monté en aval du compresseur (4) de milieu de refroidissement et destiné à évacuer la chaleur du milieu de refroidissement, une première unité soupapes (20, 21) ainsi qu'un côté de haute pression d'un second échangeur de chaleur (10) pour le transfert de chaleur au milieu de refroidissement, côté de haute pression sur lequel le milieu de refroidissement est refroidi au-dessous de la température ambiante, une seconde unité soupapes (7, 22) qui peut détendre le milieu de refroidissement, un échangeur de chaleur (8) d'habitacle destiné à porter le milieu de refroidissement à la température ambiante et un côté basse pression du second échangeur de chaleur (10) pour l'échange d'énergie avec le côté haute pression du second échangeur de chaleur (10). Le premier échangeur de chaleur (5) est conçu sous forme d'échangeur de chaleur à milieu de refroidissement / liquide caloporteur, le liquide caloporteur étant guidé dans un second circuit (2) à l'aide duquel de la chaleur peut être transférée (35) du circuit de milieu de refroidissement au flux d'air entrant dans l'habitacle ou évacuée (36) dans l'environnement. Tous les composants du circuit de milieu de refroidissement (1) sont toujours traversés dans un seul sens.
PCT/EP2005/013349 2005-01-11 2005-12-13 Systeme de climatisation pour vehicule a moteur WO2006074778A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005001231.0 2005-01-11
DE102005001231A DE102005001231A1 (de) 2005-01-11 2005-01-11 Klimaanlage für Kraftfahrzeuge

Publications (1)

Publication Number Publication Date
WO2006074778A1 true WO2006074778A1 (fr) 2006-07-20

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PCT/EP2005/013349 WO2006074778A1 (fr) 2005-01-11 2005-12-13 Systeme de climatisation pour vehicule a moteur

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DE (1) DE102005001231A1 (fr)
WO (1) WO2006074778A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106183789A (zh) * 2016-07-06 2016-12-07 中国第汽车股份有限公司 一种电动车整车热管理系统及其控制方法
CN110267834A (zh) * 2017-02-15 2019-09-20 大众汽车有限公司 用于机动车的空气调节设备

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE102007011024A1 (de) 2007-03-07 2008-09-18 Daimler Ag Klimaanlage für Kraftfahrzeuge
DE102007039195B4 (de) * 2007-08-20 2015-03-26 Ingersoll-Rand Klimasysteme Deutschland Gmbh Anordnung zum Klimatisieren eines Fahrzeugs
DE102008019044A1 (de) 2008-04-16 2009-10-29 Bayerische Motoren Werke Aktiengesellschaft Kältemittelkreislauf für Fahrzeugklimaanlagen
DE102010016588A1 (de) * 2010-04-22 2011-11-24 Ipetronik Gmbh & Co. Kg System zum Regeln mindestens einer Temperatur einer Komponente eines Fahrzeugs
DE102010023178A1 (de) * 2010-06-09 2011-12-15 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Klimaanlage
DE102012201819A1 (de) * 2012-02-07 2013-08-08 Behr Gmbh & Co. Kg Kreislaufanordnung
DE102020115269A1 (de) * 2020-06-09 2021-12-09 Stiebel Eltron Gmbh & Co. Kg Verfahren zum Betrieb einer Kompressionskälteanlage und zugehörige Kompressionskälteanlage

Citations (5)

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DE10231645A1 (de) * 2001-07-12 2003-01-30 Calsonic Kansei Corp Kühlkreislauf
DE10163607A1 (de) * 2001-12-21 2003-07-10 Daimler Chrysler Ag Aufbau und Regelung einer Klimaanlage für ein Kraftfahrzeug
DE10239877A1 (de) * 2002-08-29 2004-03-04 Bayerische Motoren Werke Ag Klimaanlage für ein Fahrzeug mit einem flüssigkeitsgekühlten Antriebsaggregat, insbesondere Brennkraftmaschine
DE10245257A1 (de) * 2002-09-27 2004-04-08 Daimlerchrysler Ag Wärmemanagementvorrichtung für ein Kraftfahrzeug
DE10316086A1 (de) * 2003-04-08 2004-11-04 Zexel Valeo Compressor Europe Gmbh Fahrzeugklimaanlage, insbesondere Co2-Klimaanlage

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DE10158385A1 (de) * 2001-11-28 2003-06-12 Bosch Gmbh Robert Klimaanlage
DE10207128A1 (de) * 2002-02-20 2003-08-21 Zexel Valeo Compressor Europe Fahrzeugklimaanlage, insbesondere CO2-Klimaanlage
DE10210354B4 (de) * 2002-03-08 2008-11-20 Audi Ag Verfahren zum Betreiben einer Klimaanlage für ein Fahrzeug, insbesondere für ein Kraftfahrzeug, sowie Klimaanlage für ein Fahrzeug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10231645A1 (de) * 2001-07-12 2003-01-30 Calsonic Kansei Corp Kühlkreislauf
DE10163607A1 (de) * 2001-12-21 2003-07-10 Daimler Chrysler Ag Aufbau und Regelung einer Klimaanlage für ein Kraftfahrzeug
DE10239877A1 (de) * 2002-08-29 2004-03-04 Bayerische Motoren Werke Ag Klimaanlage für ein Fahrzeug mit einem flüssigkeitsgekühlten Antriebsaggregat, insbesondere Brennkraftmaschine
DE10245257A1 (de) * 2002-09-27 2004-04-08 Daimlerchrysler Ag Wärmemanagementvorrichtung für ein Kraftfahrzeug
DE10316086A1 (de) * 2003-04-08 2004-11-04 Zexel Valeo Compressor Europe Gmbh Fahrzeugklimaanlage, insbesondere Co2-Klimaanlage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106183789A (zh) * 2016-07-06 2016-12-07 中国第汽车股份有限公司 一种电动车整车热管理系统及其控制方法
CN106183789B (zh) * 2016-07-06 2018-11-13 中国第一汽车股份有限公司 一种电动车整车热管理系统及其控制方法
CN110267834A (zh) * 2017-02-15 2019-09-20 大众汽车有限公司 用于机动车的空气调节设备

Also Published As

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