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1. (WO2019049637) VEHICULAR AIR CONDITIONING DEVICE
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Pub. No.: WO/2019/049637 International Application No.: PCT/JP2018/030590
Publication Date: 14.03.2019 International Filing Date: 13.08.2018
IPC:
B60H 1/22 (2006.01) ,F25B 1/00 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
H
ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES
1
Heating, cooling or ventilating devices
22
the heat being derived otherwise than from the propulsion plant
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25
REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
B
REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
1
Compression machines, plant or systems with non-reversible cycle
Applicants:
サンデン・オートモーティブクライメイトシステム株式会社 SANDEN AUTOMOTIVE CLIMATE SYSTEMS CORPORATION [JP/JP]; 群馬県伊勢崎市寿町20番地 20, Kotobuki-cho, Isesaki-shi, Gunma 3728502, JP
Inventors:
山崎 雄満 YAMAZAKI, Yuma; JP
Priority Data:
2017-17023005.09.2017JP
Title (EN) VEHICULAR AIR CONDITIONING DEVICE
(FR) DISPOSITIF DE CLIMATISATION DE VÉHICULE
(JA) 車両用空気調和装置
Abstract:
(EN) Provided is a vehicular air conditioning device that can preemptively avoid a decrease in heating capability due to frost formation on an outdoor heat exchanger by valve aperture control of an outside expansion valve. The degree of refrigerant supercooling of a radiator 4 is controlled by an outdoor expansion valve 6, and if an intake refrigerant temperature Ts or an intake refrigerant pressure Ps of a compressor 2 falls to or below a prescribed threshold value Ts1 or Ps1, respectively, or the intake refrigerant temperature Ts or the intake refrigerant pressure Ps of the compressor 2 is predicted to fall to or below the prescribed threshold value Ts1 or Ps1, respectively, a lower-limit aperture ECCVmin for control of the outside expansion valve 6 is changed to be greater.
(FR) L'invention concerne un dispositif de climatisation de véhicule qui peut éviter de manière préventive une diminution de la capacité de chauffage due à la formation de givre sur un échangeur de chaleur extérieur par commande d'ouverture de soupape d'une soupape d'expansion extérieure. Le degré de sur-refroidissement de fluide frigorigène d'un radiateur (4) est commandé par une soupape d'expansion extérieure (6) et, si une température de fluide frigorigène d'admission Ts ou une pression de fluide frigorigène d'admission Ps d'un compresseur (2) tombe à une valeur de seuil prescrite Ts1 ou Ps1 ou en dessous respectivement ou la température de fluide frigorigène d'admission Ts ou la pression de fluide frigorigène d'admission Ps du compresseur (2) est prédite pour tomber à ou au-dessous de la valeur de seuil prescrite Ts1 ou Ps1, respectivement, une ouverture de limite inférieure ECCVmin pour la commande de la soupape d'expansion extérieure (6) est changée de façon à être plus grande.
(JA) 室外熱交換器が着霜することによる暖房能力の低下を、室外膨張弁の弁開度制御によって未然に回避することができる車両用空気調和装置を提供する。室外膨張弁6により放熱器4の冷媒過冷却度SCを制御すると共に、圧縮機2の吸込冷媒温度Ts又は吸込冷媒圧力Psが所定の閾値Ts1、Ps1以下に低下した場合、若しくは、圧縮機2の吸込冷媒温度Ts又は吸込冷媒圧力Psが閾値Ts1、Ps1以下に低下すると予測される場合、室外膨張弁6の制御上の下限開度ECCVminを大きくする方向で変更する。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)