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1. WO2020141279 - METHOD FOR DETERMINING THE LEVEL OF REFRIGERANT CHARGE IN A COOLING CIRCUIT FOR AN AIR-CONDITIONING SYSTEM, MODULE FOR DETECTING LEAKS, AND ASSOCIATED COMPUTER PROGRAM

Publication Number WO/2020/141279
Publication Date 09.07.2020
International Application No. PCT/FR2019/053304
International Filing Date 27.12.2019
IPC
F25B 49/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
49Arrangement or mounting of control or safety devices
02for compression type machines, plant or systems
B60H 1/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
HARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES
1Heating, cooling or ventilating devices
CPC
B60H 1/00978
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
1Heating, cooling or ventilating ; [HVAC]; devices
00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
00978Control systems or circuits characterised by failure of detection or safety means; Diagnostic methods
F25B 2500/222
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2500Problems to be solved
22Preventing, detecting or repairing leaks of refrigeration fluids
222Detecting refrigerant leaks
F25B 2700/19
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2700Sensing or detecting of parameters; Sensors therefor
19Pressures
F25B 2700/21
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2700Sensing or detecting of parameters; Sensors therefor
21Temperatures
F25B 49/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
49Arrangement or mounting of control or safety devices
02for compression type machines, plant or systems
Applicants
  • FAIVELEY TRANSPORT NSF [FR]/[FR]
Inventors
  • PALMISANO, Domenico
Agents
  • SANTARELLI
Priority Data
187440831.12.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR DETERMINING THE LEVEL OF REFRIGERANT CHARGE IN A COOLING CIRCUIT FOR AN AIR-CONDITIONING SYSTEM, MODULE FOR DETECTING LEAKS, AND ASSOCIATED COMPUTER PROGRAM
(FR) METHODE DE DETERMINATION DU NIVEAU DE CHARGE EN FLUIDE REFRIGERANT DANS UN CIRCUIT DE REFROIDISSEMENT POUR UN SYSTEME DE CLIMATISATION, MODULE DE DÉTECTION DE FUITE, ET PROGRAMME D'ORDINATEUR ASSOCIÉ
Abstract
(EN)
The invention relates to a method for determining the level of refrigerant charge in a cooling circuit (1) for an on-board air-conditioning system, in which method the total quantity of refrigerant in gaseous and liquid form contained in the various components (2, 3, 4, 5 and 10) of the air-conditioning system is calculated only on the basis of data internal to the cooling circuit. This method is implemented by a module for detecting leaks in an on-board air-conditioning system cooling circuit comprising sensors (9, 11, 12, 13 and 14) for measuring physical characteristics of the refrigerant in various parts of the circuit (1), and a controller (8) able to calculate the level of refrigerant charge contained in the various components (2, 3, 4, 5 and 10) of the air-conditioning system on the basis of data corresponding to the geometric and technical parameters of the various components of the cooling circuit, data regarding the type of refrigerant used and data regarding the measured physical characteristics of the refrigerant.
(FR)
L'invention concerne une méthode de détermination du niveau de charge en fluide réfrigérant dans un circuit de refroidissement (1) pour système de climatisation embarqué dans laquelle la quantité totale de fluide réfrigérant sous forme gazeuse et liquide contenue dans les différents composants (2, 3, 4, 5 et 10) du système de climatisation est calculée seulement sur la base de données internes au circuit de refroidissement. Cette méthode est mise en œuvre par un module de détection de fuite sur un circuit de refroidissement d'un système de climatisation embarqué comprenant des capteurs (9, 11, 12, 13 et 14) pour mesurer des caractéristiques physiques du réfrigérant en différentes parties du circuit (1), et un contrôleur (8) apte à calculer le niveau de charge en réfrigérant contenu dans les différents composants (2, 3, 4, 5 et 10) du système de climatisation sur la base de données correspondant aux paramètres géométriques et techniques des différents composants du circuit de refroidissement, du type de réfrigérant utilisé et des caractéristiques physiques mesurées du réfrigérant.
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