WO2008141780A1 - Installation de climatisation sur toit pour un véhicule, en particulier pour un véhicule de transport collectif - Google Patents

Installation de climatisation sur toit pour un véhicule, en particulier pour un véhicule de transport collectif Download PDF

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Publication number
WO2008141780A1
WO2008141780A1 PCT/EP2008/003968 EP2008003968W WO2008141780A1 WO 2008141780 A1 WO2008141780 A1 WO 2008141780A1 EP 2008003968 W EP2008003968 W EP 2008003968W WO 2008141780 A1 WO2008141780 A1 WO 2008141780A1
Authority
WO
WIPO (PCT)
Prior art keywords
air conditioning
conditioning system
mounting unit
rooftop
assembly
Prior art date
Application number
PCT/EP2008/003968
Other languages
German (de)
English (en)
Inventor
Siegbert SCHÖN
Karl-Heinz Hassel
Original Assignee
Thermo King Deutschland 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
Priority claimed from DE202007007103U external-priority patent/DE202007007103U1/de
Priority claimed from DE102007023249.9A external-priority patent/DE102007023249B4/de
Application filed by Thermo King Deutschland Gmbh filed Critical Thermo King Deutschland Gmbh
Publication of WO2008141780A1 publication Critical patent/WO2008141780A1/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
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
    • 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
    • B60H1/00514—Details of air conditioning housings
    • B60H1/00542—Modular assemblies
    • 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
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00207—Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
    • B60H2001/00235—Devices in the roof area of the passenger compartment

Definitions

  • the invention relates to an on-roof air conditioning system for a road or rail-bound commercial vehicle having the features of the preamble of claim 1.
  • Such rooftop air conditioners are widely used especially for buses, but also for other commercial vehicles requiring air conditioning.
  • EP 1667862 of the applicant can either cool or heat a climate zone in the commercial vehicle.
  • the cooling circuit can be interpreted in a known manner under or supercritical, with the application increasingly find supercritical operation an environmentally friendly refrigerant such.
  • B. CO2 is used instead of the previously used subcritically operated refrigerants such as HFCs.
  • a rooftop air conditioning system which at least contains the cooling function in such a way that it can primarily designed only for the cooling of the passenger compartment, while for the driver's area in the area of the dashboard, a separate air conditioning unit for cooling and heating is arranged, which is functionally linked for some of its operating functions with the rooftop air conditioning (see, for example, the currently valid service manual of Applicant).
  • this requires consumption and, if necessary, adaptation of the installation space in the vehicle, limitation of the efficiency, in particular of the cooling unit, and considerable installation requirements in the functional connection with the rooftop air conditioning system.
  • the invention has for its object to further streamline the air conditioning and cooling in particular several different climatic zones, preferably with the involvement of the driver's seat and thereby functionally as possible to improve.
  • This object is achieved by the features of claim 1.
  • the rooftop air conditioning system according to the invention integrates the air conditioning functions for at least two different climate zones of the vehicle, which require different air conditioning in a single structural unit, so that production and storage are rationalized in this regard.
  • This unit also represents an assembly unit of functionally differently designed and optionally differently dimensioned assemblies for the air conditioning of a different climate-requiring climatic zones, which can be positioned in a train on the roof of the vehicle. On the vehicle side, at most, little preparation is required to connect the air conditioning air supplied separately to each climate zone.
  • the claims 2 and 3 vary the ability to allocate each of their own refrigerant circuit for different cooling of two climatic zones of each associated module or derive the different cold functions of a common refrigerant circuit.
  • the claims 13 to 17 vary this idea of a cross-assembly use of various components in preferred exemplary embodiments further for other elements of the respective modules. In this case, a pure hoscoig different interpretation of various modules is also considered (see claim 14).
  • the air conditioning on the one hand the driver's seat and on the other hand, the passenger compartment or other useful space of the vehicle lie in the longitudinal direction of the vehicle behind each other. In some other cases, more than two air conditioning zones in the longitudinal direction of the vehicle can be behind each other, either alone in subdivision in this longitudinal direction, or by additional subdivision in the transverse direction, z. B. In addition to double-sided rows of windows or in a arranged only in a corner region of the vehicle driver's seat.
  • a plurality of branches may be parallel, for example on the two longitudinal sides, extend and be provided depending on a possible transverse division with transversely passing or offset transverse channels, which are connected on both sides a longitudinally extending branches, for. B. ladder-like (see also claims 11 and 12).
  • Each refrigerant circuit as it is assumed according to the invention for each module with Kuhlfunktion, also requires a compressor device for the internal refrigerant.
  • This compressor device is usually arranged in the engine compartment and expediently driven by the drive motor of the commercial vehicle. This conventional arrangement can be maintained unchanged in the context of the invention (with corresponding modification in compression of the internal refrigerant in several cold circuits).
  • the Include compressor device in the mounting unit according to the invention of the on-roof air conditioning with This is particularly useful when no derivative of the driving force from the vehicle engine is required more.
  • Preferred applications in this case are trolley buses or rail-bound railcars driven by a catenary, electrically powered rail-bound commercial vehicles or even a powerful drive motor, eg a diesel engine, for commercial vehicles in which sufficient electrical energy is available directly or via a converter To drive compressor device with an electric auxiliary motor integrated in the mounting unit.
  • Fig.l is an isometric view of a first embodiment of a mounting unit according to the invention
  • Fig. Ia is a corresponding isometric view of an external in this case from the mounting unit.
  • Fig.l on the drive motor in this case a diesel engine, the vehicle driven compressor of the refrigerant circuit of the mounting unit acc. Fig.l.
  • Fig. Ib is a plan view of the first embodiment of the mounting unit Fig. 2 is a plan view gem. Fig. Ib to a second embodiment
  • Fig. 3 is a plan view.
  • Fig. 3a shows a half-section along the line A-A
  • Fig. 3b is a half-section along the line B-B
  • Fig. 4 is an isometric view according to. Fig. 1 of a fourth embodiment
  • FIG. 5 representation according. Fig. 1 and Fig. Ia of a fifth embodiment
  • the assembly unit 2 has a substantially closed two-part housing with a bottom part 4 and a drawing-out unfolded indicated cover part 6, the graphic representation is largely broken away.
  • the cover part 6 can be releasably secured with its side cheeks on the edge of the bottom part 4 at attachment points 5.
  • the bottom part 4 is formed for training as a rooftop on the roof of the bus.
  • the housing has a narrow end face 8 and an elongated longitudinal sides 10 which extend parallel to the vehicle longitudinal direction in the mounted state. In the bus, on the one hand, the driver's seat and, on the other hand, the passenger compartment should be air-conditioned in their respectively assigned different individual climate zones.
  • the driver's seat is a first assembly 12 of later described in more detail components for air conditioning, here the first climate zone assigned, while the passenger compartment and the second climate zone, a second assembly 14 is associated with corresponding components for air conditioning.
  • the assemblies 12 and 14 are arranged in the assembly unit corresponding to the two air conditioning zones of the bus in the longitudinal direction of the mounting unit or the bus in succession.
  • an outlet 16 for conditioning air for the laterally arranged driver's seat is likewise laterally positioned in the first assembly 12 in accordance with its lateral arrangement.
  • a corresponding opening of the bottom part is provided.
  • the outlet 16 is fed laterally by a blower device 18 with air conditioning air.
  • each 2 on both sides - functionally corresponding blower 18 is arranged here perpendicular to the above both sides of the passenger compartment seats arranged rows of passengers air conditioning air in below them (not shown) outlets in the second air conditioning zone.
  • assembly is here used synonymously with the terms "section or subdivision" of the assembly units, while the term assembly in the narrower sense has more general meaning as a group of functional elements of a cooling or heating device.
  • the assemblies are arranged without restriction of the generality of the invention also in a sectional manner in the assembly unit (apart from the fact that within the scope of the invention, individual components may be common to a plurality of assemblies).
  • an air conditioning device with a cooling function in short a cooling device 20 is provided for cooling at least one climate zone at least.
  • a climatic séesss worn with heating function, short heater 22, respectively provided for both climates.
  • the functional assembly of a cooling device has the following components in the exemplary embodiments.
  • a high-pressure side heat exchange device 26 is provided, the primary side in the flow direction of the refrigerant circuit an expansion device 28 and an evaporation device 30 is arranged downstream.
  • the high-pressure side heat exchanger device 26 On its secondary side, the high-pressure side heat exchanger device 26 is acted upon in the usual way by outside air for heat removal via at least one air device 31 to the outside.
  • the cooling capacity is generated via the evaporation device 30.
  • This itself has the character of a heat exchanger whose primary side is included in the refrigeration cycle.
  • the secondary side of the evaporation device 30 is in heat exchange with air conditioning air, which is sucked within a channel arrangement 32 from the interior of the vehicle (alternatively or in mixed operation from the outside) and is supplied via the channel arrangement at least one outlet 16.
  • a separate heating device 22 for air conditioning air is in all embodiments in any known manner feasible, with all the different examples, a heating Heat exchanger 34 is arranged in the mounting unit 2. Primarston this can be electrically heated or acted upon by the cooling water of a water-cooled engine of a commercial vehicle. On the secondary side, it is in heat exchange with the then acting as heating air conditioning air, which is supplied via an associated channel arrangement, here also the channel assembly 32, at least one outlet 16 to one or the other climate zone. In all exemplary embodiments, regardless of whether the cooling function or heating function of the air conditioning air is used, the same outlet 16 of the same channel arrangement is used in alternating or mixed operation.
  • this relates in particular to the high-pressure-side heat exchange device 26, the expansion device 28 and the channel arrangement 32, in each case in succession in both lateral directions.
  • This has on both sides, depending on the length of the passenger compartment in the longitudinal direction one behind the other several outlets 16, each of which a blower 18 is associated.
  • two to four such outlets 16 are shown, while without restraint of the general public, the other exemplary embodiments each have three outlets in the longitudinal direction.
  • the refrigerant circuit of the internal coolant 24 also regularly requires a compressor device 36.
  • the exemplary embodiments six and seven still have a combined cooling and heating function in the first assembly 12, while the second assembly 14 air-conditioning the passenger compartment only with heating air.
  • the blower device 18, the heating device 22 and the evaporation device 30 are arranged successively next to the outlet 16 in the other lateral direction in this order.
  • the heaters 22 of both modules, 12, 14 via a first controller 40 for the first module and a second controller 42 for the second module 14 individually regulate, in which case because of the available free space of the second controller 42 in the section area of the first module 12 is installed.
  • the second exemplary embodiment shows the variant of the first exemplary embodiment, which are aligned in the first assembly of Bankungstage- exchanger 22 and the evaporation device 30 as well as in the second assembly 14 in the longitudinal direction.
  • the third exemplary embodiment shows the variant, in both assemblies 12 and 14, the heating heat exchanger 34 and the evaporation device 30 can be designed as both assemblies 12 and 14 through Baukorper and so far at least on one side can shape and so each the same component in both modules functionally use.
  • the channel assembly 32 in this case has a partition wall 44 to a chamber 46, in the outside air according to the dashed line in the direction of arrow hin mangeschreibt.
  • the outside air acts on the illustrated secondary side of the high-pressure side heat exchanger device 26 arranged in the chamber and is blown back into the open air by the aeration device 31, with removal of waste heat from the high-pressure side heat exchanger device.
  • the guide chamber 44 for exhaust air can also be arranged in this channel arrangement in the lateral direction.
  • the main function of the channel arrangement 32 is further developed to transport air conditioning air to the outlet 16 by means of a blower device 18.
  • a technical possibility is shown of supplying to the same outlet 16 a finely adjustable or controllable mixture of cooling air and heating air-or in the respective limiting case, only one of these types of air.
  • the example is illustrated without limiting the generality in the recirculation mode, in which the air conditioning air is first removed via an intake 48 to the interior of the vehicle. On the way from the suction opening 48 to the outlet 16, the air conditioning air is first passed through the secondary side of the evaporation device 30 and then via the secondary side of the heating heat exchanger 34 for Heilentfeuchtungsfoundn.
  • a path control implemented here by means of valve flaps 50 is provided, which interact with blocking webs 52 when the respective valve flap 50 stops.
  • the flaps 50 may alternatively strike between two stop locations at both ends of their pivoting range such that the air conditioning air is either cooled only at the evaporation device 30 or heated at the heater core 34.
  • the flaps In the intermediate position of the pivoting movement of the flaps with simultaneous limited admission of the Both components 30 and 34 can sensitively and possibly even steadily set a mixture of hot air and cold air for conditioning of the air conditioning air or at least adjust.
  • the compressor device 36 in a rear inner chamber of the mounting unit 2 to include, here for a two assemblies 12 and 14 common refrigerant circuit 24th
  • the variant is clear in its overall context that here the refrigerant circuit 24 is provided only for the Kuhlfunktion the first assembly 12, while the compressor device 36 is installed for reasons of space in the second assembly 14 with.
  • the sixth exemplary embodiment only takes up the possibility, discussed earlier, of leaving the assembly unit 2 outside of the assembly unit 2 (FIG. 6 a), with otherwise identical design of the assembly unit 2 as in the seventh exemplary embodiment.
  • the fifth exemplary embodiment illustrates, with the structure otherwise the same as in the first or sixth exemplary embodiment, that a simple power adaptation for omnibuses or other commercial vehicles can be achieved by corresponding multiplication of components of the same module, in this case subassembly 14.
  • a simple power adaptation for omnibuses or other commercial vehicles can be achieved by corresponding multiplication of components of the same module, in this case subassembly 14.
  • the first embodiment of game doubled the number of fan device 31 and increases the number of blower devices from two to three on both sides.
  • the corresponding numbers can be freely selected according to the power requirement and geometry of the vehicle. To rationalize one can also fall back in a known manner on appropriate modular modular structure.
  • the described seven embodiments represent preferred embodiments. In addition, they illustrate how the invention may be varied several times. The corresponding variations can also be combined or even varied within the scope of the invention.

Abstract

La présente invention concerne un groupe de climatisation sur pavillon constituant une unité (2) à monter sur le pavillon d'un véhicule utilitaire, routier ou ferroviaire. L'invention utilise le principe de la compression de vapeur froide d'un réfrigérant en circuit clos. L'unité (2) selon l'invention réunit plusieurs sous-groupes fonctionnels (12, 14) destinés chacun à la climatisation d'une zone de climatisation particulière du véhicule utilitaire, l'une au moins de ces zones de climatisation étant en refroidissement.
PCT/EP2008/003968 2007-05-18 2008-05-16 Installation de climatisation sur toit pour un véhicule, en particulier pour un véhicule de transport collectif WO2008141780A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007023249.9 2007-05-18
DE202007007103U DE202007007103U1 (de) 2007-05-18 2007-05-18 Aufdachklimaanlage für ein Fahrzeug, insbesondere einen Omnibus
DE202007007103.5 2007-05-18
DE102007023249.9A DE102007023249B4 (de) 2007-05-18 2007-05-18 Aufdachklimaanlage für ein Fahrzeug, insbesondere einen Omnibus

Publications (1)

Publication Number Publication Date
WO2008141780A1 true WO2008141780A1 (fr) 2008-11-27

Family

ID=39638939

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/003968 WO2008141780A1 (fr) 2007-05-18 2008-05-16 Installation de climatisation sur toit pour un véhicule, en particulier pour un véhicule de transport collectif

Country Status (1)

Country Link
WO (1) WO2008141780A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011038571A1 (fr) * 2009-09-30 2011-04-07 珠海市纯生电器有限公司 Climatiseur pour véhicule présentant une structure de profil modulaire
DE102013011600B3 (de) * 2013-07-11 2014-10-09 Konvekta Ag Fahrzeugaufdachklimaanlage mit Redundanzeinrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211120A (ja) * 1985-03-15 1986-09-19 Nippon Denso Co Ltd 車両用冷房装置
US6763668B1 (en) * 2003-05-05 2004-07-20 Carrier Corporation Unibody modular bus air conditioner
DE102005033045A1 (de) * 2005-07-15 2007-01-18 Man Nutzfahrzeuge Ag Omnibus mit Belüftungseinrichtung und Klimaanlage für einen Fahrerarbeitsplatz

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211120A (ja) * 1985-03-15 1986-09-19 Nippon Denso Co Ltd 車両用冷房装置
US6763668B1 (en) * 2003-05-05 2004-07-20 Carrier Corporation Unibody modular bus air conditioner
DE102005033045A1 (de) * 2005-07-15 2007-01-18 Man Nutzfahrzeuge Ag Omnibus mit Belüftungseinrichtung und Klimaanlage für einen Fahrerarbeitsplatz

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011038571A1 (fr) * 2009-09-30 2011-04-07 珠海市纯生电器有限公司 Climatiseur pour véhicule présentant une structure de profil modulaire
CN102032638A (zh) * 2009-09-30 2011-04-27 刘丰 多功能模块式型材结构车用空调
CN102032638B (zh) * 2009-09-30 2014-01-08 刘丰 多功能模块式型材结构车用空调
DE102013011600B3 (de) * 2013-07-11 2014-10-09 Konvekta Ag Fahrzeugaufdachklimaanlage mit Redundanzeinrichtung

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