Title:
PLANT CULTIVATION APPARATUS AND METHOD OF DETECTING ERROR OCCURRENCE IN THE PLANT CULTIVATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/096046
Kind Code:
A1
Abstract:
A plant cultivation apparatus may include a cabinet including a cultivation room in which at least one bed is accommodated and plants are grown, a residual water detection sensor configured to detect whether residual water of the feed water supplied to the bed is present, a water pump configured to pump water in a water tank to the bed, a flow path valve configured to be opened to supply the water pumped by the water pump to the bed, and a controller configured to count a water retention time that is a period of time for which water remains in the bed from a time when water supply to the bed is completed when a water supply operation is performed on the bed and detect occurrence of error when the water retention time is less than a predetermined time.
Inventors:
BAE JAE GWANG (KR)
JUNG JI MOON (KR)
LEE KYOUNG HOON (KR)
JUNG JI MOON (KR)
LEE KYOUNG HOON (KR)
Application Number:
PCT/KR2020/012234
Publication Date:
May 20, 2021
Filing Date:
September 10, 2020
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A01G9/24; A01G9/26; A01G27/00; G05B23/02; G08B29/00
Foreign References:
| KR101342141B1 | 2013-12-13 | |||
| EP2077068B1 | 2011-03-02 | |||
| EP1170985B1 | 2008-07-23 | |||
| US20100064581A1 | 2010-03-18 | |||
| US8894741B2 | 2014-11-25 |
Attorney, Agent or Firm:
NAMCHON PATENT AND LAW FIRM (KR)
Download PDF:
Previous Patent: ROOF AIR VENT FOR VEHICLE
Next Patent: PLANT CULTIVATION APPARATUS AND WATER SUPPLY METHOD THEREFOR
Next Patent: PLANT CULTIVATION APPARATUS AND WATER SUPPLY METHOD THEREFOR