Water circulation system for air conditioning system and control method thereof
US10948211B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2019 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | May 10, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/2614
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
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: S100, starting the water circulation system after receiving a start command; S200, executing a PID control step after initialization and a first preset time period of the water circulation system; S300, executing 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 S400, executing a shutdown step of the water circulation system after receiving a shutdown command.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.