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Title:
ADAPTIVE CONTROL METHOD FOR REFRIGERATION SYSTEMS
Document Type and Number:
WIPO Patent Application WO/2018/178465
Kind Code:
A8
Abstract:
The invention relates to an adaptive control method for refrigeration systems that comprises detecting the level of frost in the evaporator by means of a method for calculating the NTU rate, making it possible to define: the best time for defrosting, the energisation of the drainage resistors and the adaptive management of the evaporator fan, combining various operating modes: an ice-free mode that only uses the refrigerating power of the refrigerant, and various modes with ice that use the latent heat stored in the ice to save energy, depending on the level of frost in the evaporator. The NTU rate is calculated taking as reference the evaporator when dry at the start, and when the refrigeration system is operational, the NTU rate is calculated with an operating mode having variable frequency according to the performance of the evaporator or level of ice, comparing same with the aforementioned reference.

Inventors:
ALBETS CHICO, Xavier (M. Martorell, s/n, Sallent, 08650, ES)
MORENO ARGILES, Pere (C/ Lluis Companys, 32 4º 1ª, LLEIDA, 25003, ES)
GONZÁLEZ SÁNCHEZ, Miguel Angel (Av. Constitución 78, 6-2, Sant Andreu De La Barca, 08740, ES)
CABEZA FABRA, Luisa Fernanda (C. Agustí Duran i Sanpere 16. Piso 2 puerta 3, Lleida, 25001, ES)
ZSEMBINSZKI, Gabriel (C/ Mare de Deú de Gràcia, N.1 puerta, Barcelona Barcelona, 08006, ES)
MALDONADO JIMENEZ, Jose Miguel (Paseo Maria Agustin 49. Piso 2, puerta izquierdaZaragoza, Zaragoza, 50004, ES)
DE GRACIA CUESTA, Alvaro (C/ Mariola N.6 piso 1 puerta 2, Lleida, Lleida, 25003, ES)
Application Number:
ES2018/070246
Publication Date:
July 11, 2019
Filing Date:
March 27, 2018
Export Citation:
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Assignee:
UNIVERSITAT DE LLEIDA (Victor Siurana 1, Lleida, 25003, ES)
AKO ELECTROMECANICA, S.A.L (Av. Roquetes, 30/38, Sant Pere De Ribes, 08812, ES)
International Classes:
F25D17/06; F25D21/04; F25B49/00
Attorney, Agent or Firm:
SALVA FERRER, Joan (Ponti & Partners, S.L.P.C. Consell de Cen, 322 Barcelona, 08007, ES)
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