The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 2021
Filed:
May. 10, 2019
Carrier Corporation, Palm Beach Gardens, FL (US);
Liang Chang, Shanghai, CN;
Jingwei Sun, Shanghai, CN;
Pei Sun, Shanghai, CN;
Lishan Wang, Shanghai, CN;
Jian Ni, Shanghai, CN;
Qing Lu, Shanghai, CN;
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Abstract
A water circulation system for air conditioning system and a control method thereof, wherein the water circulation loop comprises: a main loop provided with air-conditioning indoor units, air-conditioning outdoor units and an actuator, and a bypass branch connected between upstream and downstream of the air-conditioning outdoor units and provided with a bypass valve; the control method comprises: Sstarting the water circulation system after receiving a start command; Sexecuting a PID control step after initialization and a first preset time period of the water circulation system; Sexecuting a feed forward control step when the operating states of the air-conditioning indoor units and/or the air-conditioning outdoor units are changed, and going back to execute the PID control step after a second preset time period; and Sexecuting a shutdown step of the water circulation system after receiving a shutdown command.