Title:
AUTOMATIC WATER REPLACEMENT ASSEMBLY AND SELF-CLEANING MAINTENANCE STATION
Document Type and Number:
WIPO Patent Application WO/2023/227038
Kind Code:
A1
Abstract:
The present invention provides an automatic water replacement assembly and a self-cleaning maintenance station. The automatic water replacement assembly comprises: a control apparatus and a water tank assembly. The control apparatus is provided inside the water tank assembly and configured to implement automatic injection of clear water into the water tank assembly. The water tank assembly comprises: a clear water tank body; a water inlet pipe configured to inject clear water into the clear water tank body; and a float valve provided in the clear water tank body and configured to vertically move as the height of the water surface in the clear water tank body changes. In response to the float valve located at a first position, the control apparatus controls the water inlet pipe to stop injecting clear water into the clear water tank body; in response to the float valve located at a second position, the float valve blocks an outlet of the water inlet pipe for water injection to the clear water tank body.
Inventors:
WU JIANSHENG (CN)
LIU YAOXIN (CN)
YU LUPING (CN)
LIU YAOXIN (CN)
YU LUPING (CN)
Application Number:
PCT/CN2023/096121
Publication Date:
November 30, 2023
Filing Date:
May 24, 2023
Export Citation:
Assignee:
BEIJING ROBOROCK TECH CO LTD (CN)
International Classes:
A47L11/40
Foreign References:
| CN217792897U | 2022-11-15 | |||
| TWM547119U | 2017-08-11 | |||
| TWM547119U | 2017-08-11 | |||
| TW201326623A | 2013-07-01 | |||
| CN217792904U | 2022-11-15 | |||
| CN113017509A | 2021-06-25 | |||
| US9470333B1 | 2016-10-18 |
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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