EP1209363A1 - Compresseur pour un systéme de climatisation de l'habitacle d'un véhicule automobile - Google Patents
Compresseur pour un systéme de climatisation de l'habitacle d'un véhicule automobile Download PDFInfo
- Publication number
- EP1209363A1 EP1209363A1 EP01127710A EP01127710A EP1209363A1 EP 1209363 A1 EP1209363 A1 EP 1209363A1 EP 01127710 A EP01127710 A EP 01127710A EP 01127710 A EP01127710 A EP 01127710A EP 1209363 A1 EP1209363 A1 EP 1209363A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- chamber
- controlling
- compressor according
- motor
- 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.)
- Granted
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
Definitions
- the invention relates to the cooling of electrical circuits. and / or electronic command and control of a air conditioning system.
- a compressor in particular for a vehicle interior air conditioning system automobile, comprising an envelope defining a chamber high pressure containing a compression system of a refrigerant circulating in the air conditioning system, this compression system admitting the refrigerant at low pressure and driving it back at high pressure the high pressure chamber, an electric drive motor compression system and electronic means of command and control of the operation of the electric motor.
- Compressors used to compress a refrigerant in a passenger compartment air conditioning system electrified motor vehicle are controlled by electronic power circuits.
- the rotation speed of the compressor is controlled by an inverter which drives heat losses during operation. That is why it is necessary to cool these electronic circuits to keep them running and extend their life life.
- a compressor of this type has several drawbacks. Its size is important due to the presence, at the exterior of the compressor, of a housing in which are housed electronic components. It is relatively complex to manufacture and assemble because you have to plan a modification of the suction line so that it ensures a necessary contact and heat exchange surface and sufficient.
- the present invention specifically relates to a compressor of the type defined in the introduction which remedies these drawbacks.
- This compressor has a low intake chamber pressure of the refrigerant integrated in the casing and separated from the high pressure chamber by a bulkhead separation, electronic means of control and control of the operation of the electric motor, placed in the inlet chamber, being cooled by the fluid refrigerant.
- a compressor is produced with great compactness.
- This compressor can be easily mounted in the vehicle because there is only one component to be fixed, and a single connection area for electrical and electronic circuits.
- the noise level of gas pulsations on the compressor suction line, as well as the mechanical noises emitted by the compression pump and its valve are reduced by the presence of a volume buffer constituted by the intake chamber.
- This compressor is reduced by integration of electronic control circuits compressor motor in a single enclosure.
- the compressor has a separate chamber from electrical connection of the motor defined in the enclosure, this separate room communicating with the upper room pressure by a passage.
- the intake chamber and the separate connection chamber electric motor are advantageously presented as open cavities towards the outside of the envelope and are closed by a blanking plate common to both bedrooms.
- the closure plate is a terminal board fitted with all connection terminals necessary for the operation of the compressor. Terminals input and output for powering the electric motor and engine information output terminals (e.g. of the engine temperature) are located in a part of the terminal board which closes the separate connection chamber of the electric motor, and the other connection terminals are located in a part of the terminal block which closes the admission room.
- Terminals input and output for powering the electric motor and engine information output terminals e.g. of the engine temperature
- the other connection terminals are located in a part of the terminal block which closes the admission room.
- the output terminals of the intake chamber and the motor input terminals in the separate room are fixed, permanent and isolated from the delivery of the terminal plate before mounting on the compressor casing.
- the means electronic command and control of the operation of the compressor are arranged on a power module comprising a metallic cooling sole.
- electronic means of command and control of the compressor operation are connected to the power, and these electronic means and the module power, except for the cooling soleplate, are coated in a plastic overmolding.
- This plastic must be compatible with the fluid refrigerant and compressor lubricating oil.
- She is preferably chosen from the family of thermoplastics polyester elastomers. We prefer to use a thermoplastic polyester elastomer known under the trademark HYTREL G 3548 from Dupont de Nemours.
- the envelope is made in a first part containing the compression system of gas, the inlet chamber and the separate connection chamber electric, and a second part containing the motor electric, these two parts being assembled to each other according to a joint plan.
- FIG. 1 shows a top view of a compressor 2 according to the present invention.
- a compressor is intended to be part of an air conditioning system of the passenger compartment of a motor vehicle which so includes classic, a closed loop for circulation of a fluid refrigerant.
- the refrigerant in the gas phase coming from of the evaporator (not shown) is allowed at low pressure in compressor 2 and discharged at high pressure into a condenser (not shown), which emerges in phase liquid. After expansion, the fluid returns to the evaporator in which it takes heat from the surrounding environment, and the cycle resumes.
- compressor 2 includes an envelope 4 consisting of a first part 6 and a second part 8.
- the envelope 4 is preferably made of cast aluminum.
- Each of parts 6 and 8 has a flange 9 by which the two parts are joined together according to a joint plane, by example using screws (not shown).
- the refrigerant compression system 10 is located in part 6. We will preferably use a compressor of the spiral type, also called “scroll” (Anglo-Saxon term). A compressor of the type can also be used. rolling piston.
- the compression system 10 includes a low pressure intake chamber into which is admitted gas from the evaporator. He repressed this gas at high pressure in a high pressure chamber 15 defined at inside the enclosure 4.
- the electric motor 12 of the compression system 10 is located in the second part 8. The speed of rotation of this motor can be adjusted by varying the frequency of the current and the electrical voltage that power it.
- the gas from the evaporator enters the compressor 2 through an inlet 14 to be admitted into an intake chamber which will be described in more detail later.
- Gas is admitted from the intake chamber directly into the compression system 10, then discharged in the high pressure chamber 15 which it crosses cooling the electric motor 12.
- the gas leaves the high pressure chamber 15 through an outlet orifice 16 as shown schematically by arrow 17. It is then led to the condenser (not shown).
- the intake chamber 24 appears as a cavity open towards the outside of part 6 of the envelope. It is separate from the bedroom high pressure 15 by a partition 26.
- a communication orifice 28 is provided in the partition 26. This orifice allows gas to enter the compression system 10.
- the gas from the evaporator enters through the intake orifice 14, as shown diagrammatically by the arrow 30, passes through the low pressure inlet chamber 24, then spring through the communication orifice 28 as shown schematically by arrow 32.
- a second chamber 34 smaller than chamber 24, and is also presenting as a cavity open towards the outside of part 6 of the envelope, is arranged to allow the electrical connection of the motor.
- a passage 36 passing through the envelope 4 puts the chamber 34 in communication direct with the engine located in the high pressure chamber 15. This passage runs along side 6 of the envelope 4 of motor 12 to lead behind the compression system in part 8 of this envelope.
- Rooms 24 and 34 are closed by a common plate which at the same time constitutes the terminal block 20.
- a joint 40 is provided to seal between the intake chambers 24 and 34 to seal the each of these rooms with the exterior.
- Terminal plate 20 has been shown in front view on the Figure 3. It has six ears 44 allowing its fixing by screws 46 on the first part 6 of the envelope 4 of the compressor, thus compressing the seal 40.
- the terminal plate groups together all of the terminals necessary for the operation of the compressor.
- AT its upper part there are three input terminals 48 of the three-phase phases which go to power the motor 12, as well that two terminals 50 of engine information output (for example: the temperature of this engine).
- the three terminals of connection 48, as well as the two connection terminals 50 are located next to the small separate room 34 and the communication passage 36 perforated in the wall 26 allows the passage of the electric cables which connect these terminals to engine.
- terminal block 20 there are three output terminals 52 of the motor supply phases electric 12, two terminals 54 for motor feedback, a multi-spindle terminal 56 for communication functions with the passenger compartment temperature control module, the outputs of the various protections managed by the microcontroller, the control of the relays used to charge the input capacities. Finally, there are two power terminals 58 positive and negative in direct current. All of these connection terminals are located next to the room admission 24.
- the output terminals 50 and 52 of the intake chamber 24 and the motor input terminals 48 and 54 in the room separate 34 are fixed, permanent and isolated upon delivery terminal block 20 before mounting on the enclosure 4 of the compressor.
- FIG. 4 shows a view in longitudinal section, along the line of section IV-IV of FIG. 2, of the first part 6 of the casing 4 of the compressor.
- the electronic control and command circuits 60 of the compressor are housed in the intake chamber 24.
- circuits 60 are based on a power module 62 having a metallic cooling sole. They include power electronics components (MOS fet or IGBT) which are encapsulated in the power module 62. In addition, the control electronics are mounted on a printed circuit, which is soldered to the power module.
- MOS fet or IGBT power electronics components
- the electronic circuits 60 and the power module 62 are coated in an overmolding of a plastic material compatible with lubricating oil - usually a POE type oil (polyol ester) - from the compressor circulating in the fluid refrigerant and with the refrigerant itself.
- a plastic material compatible with lubricating oil usually a POE type oil (polyol ester) - from the compressor circulating in the fluid refrigerant and with the refrigerant itself.
- This plastic material is preferably chosen from the family of polyester elastomer thermoplastics. We prefer to use a thermoplastic polyester elastomer known under the trademark HYTREL G 3548 from the company Dupont de Nemours.
- the refrigerant admitted into chamber 24 through the orifice inlet 14 (see Figure 2), crosses vertically the low pressure chamber 24 by licking the metal soleplate of the power module 62 before coming out through the orifice communication 28.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
- la figure 1 est une vue de dessus, avec arrachements, d'un compresseur conforme à la présente invention ;
- la figure 2 est une vue en coupe selon la ligne II-II du compresseur représenté sur la figure 1 ;
- la figure 3 est une vue partielle en élévation du compresseur représenté sur la figue 1 ; et
- la figure 4 est une vue en coupe selon la ligne IV-IV de la figure 2 d'une partie de l'enveloppe du compresseur de l'invention.
Claims (10)
- Compresseur pour un système de climatisation de l'habitacle d'un véhicule automobile, comprenant une enveloppe (4) définissant une chambre à haute pression (15) renfermant un système de compression (10) d'un fluide réfrigérant qui circule dans le système de climatisation, ce système de compression (10) admettant le fluide réfrigérant à basse pression et le refoulant à haute pression dans la chambre à haute pression (15), un moteur électrique (12) d'entraínement du système de compression (10) et des moyens électroniques (60) de commande et de contrôle du fonctionnement du moteur électrique (12),
caractérisé en ce qu'il comporte une chambre d'admission (24) contenant ledit fluide réfrigérant à basse pression, intégrée dans l'enveloppe (4) et séparée de la chambre à haute pression (15) par une cloison de séparation (26), et en ce que les moyens électroniques (60) de commande et de contrôle du fonctionnement du moteur électrique (12), placés dans la chambre d'admission (24), sont refroidis par le fluide réfrigérant. - Compresseur selon la revendication 1, caractérisé en ce qu'il comporte une chambre séparée (34) de raccordement électrique du moteur (12) définie dans l'enveloppe (4), cette chambre séparée communiquant avec la chambre à haute pression (15) par un passage (36).
- Compresseur selon la revendication 2, caractérisé en ce que la chambre d'admission (24) et la chambre séparée (34) de raccordement électrique du moteur (12) se présentent comme des cavités ouvertes vers l'extérieur de l'enveloppe (4) et en ce qu'elles sont obturées par une plaque d'obturation (20) commune aux deux chambres.
- Compresseur selon la revendication 3, caractérisé en ce que la plaque d'obturation est une plaque à bornes (20) équipée de l'ensemble des bornes de connexion nécessaires au fonctionnement du compresseur.
- Compresseur selon la revendication 4, caractérisé en ce que les bornes d'entrée (48) pour l'alimentation du moteur électrique (12) et des bornes de sortie d'information moteur (50) (par exemple de la température du moteur) sont situées dans une partie de la plaque à bornes (20) qui obture la chambre séparée (34) de raccordement du moteur électrique, et en ce que les autres bornes de connexion (52, 54) sont situées dans une partie de la plaque à bornes qui obture la chambre d'admission (24).
- Compresseur selon la revendication 5, caractérisé en ce que les bornes de sortie (50, 52) de la chambre d'admission (24) et les bornes d'entrée (48, 54) du moteur dans la chambre séparée (34) sont fixes, permanentes et isolées dès la livraison de la plaque à bornes (20) avant son montage sur l'enveloppe (4) du compresseur.
- Compresseur selon la revendication 5, caractérisé en ce que les moyens électroniques (60) de commande et de contrôle du fonctionnement du compresseur (2) sont disposés sur un module de puissance (62) comportant une semelle de refroidissement métallique.
- Compresseur selon la revendication 7, caractérisé en ce que les moyens électroniques (60) de commande et de contrôle du fonctionnement du compresseur sont raccordés au module de puissance (62), et en ce que ces moyens électroniques (60) et le module de puissance (62), à l'exception de la semelle de refroidissement, sont enrobés dans un surmoulage de matière plastique.
- Compresseur selon la revendication 8, caractérisé en ce que la matière plastique est compatible avec le fluide réfrigérant et l'huile de lubrification du compresseur et est choisie dans la famille des thermoplastiques polyester élastomères.
- Compresseur selon l'une des revendications 1 à 9, caractérisé en ce que l'enveloppe (4) est réalisée en une première partie (6) contenant le système de compression (10) du fluide réfrigérant, la chambre d'admission (24) et la chambre séparée (34), et une seconde partie (8) contenant le moteur électrique (12), ces deux parties (6, 8) étant assemblées l'une à l'autre selon un plan de joint.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0015217A FR2817300B1 (fr) | 2000-11-24 | 2000-11-24 | Compresseur pour un systeme de climatisation de l'habitacle d'un vehicule automobile |
FR0015217 | 2000-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1209363A1 true EP1209363A1 (fr) | 2002-05-29 |
EP1209363B1 EP1209363B1 (fr) | 2005-01-26 |
Family
ID=8856854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01127710A Expired - Lifetime EP1209363B1 (fr) | 2000-11-24 | 2001-11-21 | Compresseur pour un systéme de climatisation de l'habitacle d'un véhicule automobile |
Country Status (5)
Country | Link |
---|---|
US (1) | US6560984B2 (fr) |
EP (1) | EP1209363B1 (fr) |
JP (1) | JP2002206481A (fr) |
DE (1) | DE60108593T2 (fr) |
FR (1) | FR2817300B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1617081A2 (fr) * | 2004-07-15 | 2006-01-18 | Matsushita Electric Industries Co., Ltd. | Compresseur électrique hermétique |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4073622B2 (ja) * | 2000-12-18 | 2008-04-09 | サンデン株式会社 | 電動式圧縮機 |
JP4018373B2 (ja) * | 2001-04-09 | 2007-12-05 | サンデン株式会社 | 電動式圧縮機 |
EP1363026A3 (fr) * | 2002-04-26 | 2004-09-01 | Denso Corporation | Onduleur intégré moteur pour un véhicule automobile |
JP4200850B2 (ja) * | 2003-07-17 | 2008-12-24 | 株式会社デンソー | 電動圧縮機 |
US7628028B2 (en) * | 2005-08-03 | 2009-12-08 | Bristol Compressors International, Inc. | System and method for compressor capacity modulation |
US20080041081A1 (en) * | 2006-08-15 | 2008-02-21 | Bristol Compressors, Inc. | System and method for compressor capacity modulation in a heat pump |
US8030880B2 (en) | 2006-11-15 | 2011-10-04 | Glacier Bay, Inc. | Power generation and battery management systems |
US8863540B2 (en) * | 2006-11-15 | 2014-10-21 | Crosspoint Solutions, Llc | HVAC system controlled by a battery management system |
US7797958B2 (en) * | 2006-11-15 | 2010-09-21 | Glacier Bay, Inc. | HVAC system controlled by a battery management system |
US8381540B2 (en) * | 2006-11-15 | 2013-02-26 | Crosspoint Solutions, Llc | Installable HVAC systems for vehicles |
US8790089B2 (en) * | 2008-06-29 | 2014-07-29 | Bristol Compressors International, Inc. | Compressor speed control system for bearing reliability |
US8601828B2 (en) | 2009-04-29 | 2013-12-10 | Bristol Compressors International, Inc. | Capacity control systems and methods for a compressor |
JP2011144788A (ja) * | 2010-01-18 | 2011-07-28 | Toyota Industries Corp | 電動圧縮機 |
DE102013220897A1 (de) * | 2013-10-15 | 2015-04-16 | Robert Bosch Gmbh | Wärmepumpe mit einem Betauungsschutz |
EP3557079A1 (fr) * | 2018-04-20 | 2019-10-23 | Belenos Clean Power Holding AG | Système de chauffage, ventilation et climatisation comprenant un compresseur de fluide |
US11988421B2 (en) | 2021-05-20 | 2024-05-21 | Carrier Corporation | Heat exchanger for power electronics |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5904471A (en) * | 1996-12-20 | 1999-05-18 | Turbodyne Systems, Inc. | Cooling means for a motor-driven centrifugal air compressor |
US6041609A (en) * | 1995-07-06 | 2000-03-28 | Danfoss A/S | Compressor with control electronics |
DE10017091A1 (de) * | 1999-04-07 | 2000-10-19 | Sanden Corp | Motorenbetriebener Kompressor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5350039A (en) * | 1993-02-25 | 1994-09-27 | Nartron Corporation | Low capacity centrifugal refrigeration compressor |
US6112535A (en) * | 1995-04-25 | 2000-09-05 | General Electric Company | Compressor including a motor and motor control in the compressor housing and method of manufacture |
JP4073622B2 (ja) * | 2000-12-18 | 2008-04-09 | サンデン株式会社 | 電動式圧縮機 |
-
2000
- 2000-11-24 FR FR0015217A patent/FR2817300B1/fr not_active Expired - Fee Related
-
2001
- 2001-11-19 US US09/988,371 patent/US6560984B2/en not_active Expired - Lifetime
- 2001-11-21 EP EP01127710A patent/EP1209363B1/fr not_active Expired - Lifetime
- 2001-11-21 DE DE60108593T patent/DE60108593T2/de not_active Expired - Lifetime
- 2001-11-26 JP JP2001359783A patent/JP2002206481A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6041609A (en) * | 1995-07-06 | 2000-03-28 | Danfoss A/S | Compressor with control electronics |
US5904471A (en) * | 1996-12-20 | 1999-05-18 | Turbodyne Systems, Inc. | Cooling means for a motor-driven centrifugal air compressor |
DE10017091A1 (de) * | 1999-04-07 | 2000-10-19 | Sanden Corp | Motorenbetriebener Kompressor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1617081A2 (fr) * | 2004-07-15 | 2006-01-18 | Matsushita Electric Industries Co., Ltd. | Compresseur électrique hermétique |
EP1617081A3 (fr) * | 2004-07-15 | 2011-01-26 | Panasonic Corporation | Compresseur électrique hermétique |
Also Published As
Publication number | Publication date |
---|---|
FR2817300B1 (fr) | 2005-09-23 |
US6560984B2 (en) | 2003-05-13 |
US20020062655A1 (en) | 2002-05-30 |
JP2002206481A (ja) | 2002-07-26 |
DE60108593T2 (de) | 2006-03-23 |
DE60108593D1 (de) | 2005-03-03 |
EP1209363B1 (fr) | 2005-01-26 |
FR2817300A1 (fr) | 2002-05-31 |
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