Drainage pump structure and cleaning base station

Abstract

Disclosed are a drainage pump structure and a cleaning base station. The drainage pump structure includes: a drainage cavity with a water inlet, a water outlet and an air port; a one-way valve at the water inlet forming a unidirectional flow path to allow fluid to flow toward the drainage cavity, and another one-way valve at the water outlet forming a unidirectional flow path to allow fluid to flow away from the drainage cavity; and an air source system communicated with the air port and configured to supply air to the air port, suck air from the air port, and adjust an air amount of the air port. The drainage pump structure of this application makes water and impurities during drainage not pass through the air source system, prolongs the service life of the air source system and improve the reliability of the air source system.

1 - 13 . (canceled) 
     
     
         14 . A fluid transfer system, comprising:
 a cavity configured to hold a fluid, the cavity having an inlet configured to allow a first flow of the fluid entering the cavity, an outlet configured to allow a second flow of the fluid leaving the cavity, and at least a gas port configured to allow a gas entering or leaving the cavity;   a first switch disposed at the inlet and configured to control the first flow of the fluid;   a second switch disposed at the outlet and configured to control the second flow of the fluid; and   a gas source system coupled with the gas port and configured to control an amount of the gas in the cavity through the gas port.   
     
     
         15 . The fluid transfer system according to  claim 14 , wherein the gas source system comprises a gas port interface coupled with the gas port, and the gas port interface is switchable between supplying the gas to the gas port and receiving the gas from the gas port. 
     
     
         16 . The fluid transfer system according to  claim 15 , wherein the gas source system further comprises:
 at least one gas pump having a gas inlet and a gas outlet; and   a switch module having a first end and a second end, the first end of the switch module being coupled with the gas port through the gas port interface, and the second end of the switch module being coupled with the gas inlet and the gas outlet of the gas pump.   
     
     
         17 . The fluid transfer system according to  claim 16 , wherein the gas pump is configured to rotate in a first direction for a first time duration for supplying a first amount of the gas to the cavity and to rotate in a second direction for a second time duration for withdrawing a second amount of the gas from the cavity, and
 wherein the first time duration is greater than the second time duration, and the first amount is greater than the second amount.   
     
     
         18 . The fluid transfer system according to  claim 16 , wherein the gas source system comprises a first gas pump and a second gas pump, the first gas pump being fitted with the gas inlet, and the second gas pump being fitted with the gas outlet. 
     
     
         19 . The fluid transfer system according to  claim 18 , wherein the first pump is configured to rotate for a first time duration for supplying a first amount of the gas to the cavity, and the second pump is configured to rotate for a second time duration for withdrawing a second amount of the gas from the cavity, and
 wherein the first time duration is greater than the second time duration, and the first amount is greater than the second amount.   
     
     
         20 . The fluid transfer system according to  claim 14 , wherein:
 the cavity includes a first gas port and a second gas port,   the gas source system comprises a first gas pump and a second gas pump, the first gas pump being fitted with a gas outlet coupled to the first gas port, and the second gas pump being fitted with a gas inlet coupled to the second gas port,   the first pump is configured to rotate for a first time duration for supplying a first amount of the gas to the cavity through the first gas port, and the second pump is configured to rotate for a second time duration for withdrawing a second amount of the gas from the cavity through the second gas port, and   the first time duration is greater than the second time duration, and the first amount is greater than the second amount.   
     
     
         21 . The fluid transfer system according to  claim 14 , wherein the gas source system further comprises:
 a gas chamber configured to communicate with the gas port;   a piston disposed in the gas chamber; and   a driver configured to drive the piston causing the gas move in or out of the cavity through the gas port.   
     
     
         22 . The fluid transfer system according to  claim 21 , wherein:
 the piston is caused by the driver to travel a first distance toward the gas port, thereby moving a first amount of gas into the cavity, and   the piston is caused by the driver to travel a second distance away from the gas port, thereby moving a second amount of gas out of the cavity.   
     
     
         23 . The fluid transfer system according to  claim 22 , wherein:
 the first amount of gas is different from the second amount of gas, and   the first distance is equal to the second distance.   
     
     
         24 . The fluid transfer system according to  claim 23 , further comprising a gas release valve disposed on the cavity or the gas chamber and configured to adjust a difference between the first amount of gas and the second amount of gas when the first distance is equal to the second distance. 
     
     
         25 . The fluid transfer system according to  claim 14 , wherein the gas source system further comprises:
 a gas chamber configured to communicate with the gas port;   a gas source configured to provide a second gas and communicate with the gas chamber; and   a film disposed within the gas chamber dividing the gas chamber into a first chamber and a second chamber, the first chamber being connected to the gas port of the cavity and the second chamber being connected to the gas source,   wherein when the gas source provides the second gas to the gas chamber, the film moves towards the first chamber, moving the gas into the cavity,   wherein when the gas source withdraws the second gas from the gas chamber, the film moves towards the second chamber, withdrawing the gas from the cavity.   
     
     
         26 . The fluid transfer system according to  claim 25 , wherein:
 the film is configured to travel a first distance toward the first chamber, thereby moving a first amount of the gas into the cavity,   the film is configured to travel a second distance toward the second chamber, thereby moving a second amount of the gas out of the cavity,   the first amount of gas is different from the second amount of gas, and   the first distance is equal to the second distance.   
     
     
         27 . The fluid transfer system according to  claim 26 , further comprising a gas release valve disposed on one of the first chamber or the second chamber and configured to adjust a difference between the first amount of gas and the second amount of gas when the first distance is equal to the second distance. 
     
     
         28 . The fluid transfer system according to  claim 14 , wherein:
 the inlet of the cavity includes a flexible tube, and   the first switch is configured to control the first flow of the fluid by enlarging or narrowing the inlet in a diametrical direction.   
     
     
         29 . The fluid transfer system according to  claim 14 , wherein:
 the outlet of the cavity includes a flexible tube, and   the second switch is a configured to control the second flow of the fluid by enlarging or narrowing the outlet in a diametrical direction.   
     
     
         30 . The fluid transfer system according to  claim 14 , wherein:
 at least one of the inlet or the outlet includes a silicone tube, and   at least one of the first switch or the second switch includes a clamping device configured to control the first flow or the second flow of the fluid by clamping or releasing the silicone tube.   
     
     
         31 . The fluid transfer system according to  claim 14 , wherein:
 the first switch is configured to allow the first flow through the inlet;   the second switch is configured to stop the second flow; and   the gas source system is configured to decrease the amount of the gas in the cavity.   
     
     
         32 . The fluid transfer system according to  claim 14 , wherein:
 the first switch is configured to stop the first flow;   the second switch is configured to allow the second flow through the outlet; and   the gas source system is configured to increase the amount of the gas in the cavity.   
     
     
         33 . A method for transferring a fluid from a cleaning system using a fluid transfer system having a cavity, a first switch disposed at an inlet of the cavity, a second switch disposed at an outlet of the cavity, and a gas source system coupled to the cavity through a gas port of the cavity, the method comprising:
 withdrawing a first portion of a gas through the gas port from the cavity using the gas source system;   turning on the first switch to receive a first flow of the fluid from the cleaning system through the inlet of the cavity;   supplying a second portion of the gas through the gas port into the cavity using the gas source system; and   turning on the second switch to release a second flow of the fluid from the cavity through the outlet of the cavity.