Cascadable air purifier

Abstract

A cascadable air purifier is provided. The cascadable air purifier has a housing unit, a connecting unit, a purifying unit, and a control unit, wherein the connecting unit has at least one male coupling portion and at least one female coupling portion. The cascadable air purifier can be combined with another cascadable air purifier by the male coupling portion and the female coupling portion.

What is claimed is: 
     
         1 . A cascadable air purifier, comprising:
 a housing unit including a hollow base, a plurality of vent holes formed on an outer wall surface of the hollow base, a partition plate disposed in the hollow base, a wind hole formed on the partition plate, and an upper cover combined on a top of the hollow base;   a connecting unit including a male coupling portion formed on the housing unit, a female coupling portion formed on the housing unit and configured to connect with a male coupling portion of a connecting unit of at least one to-be-connected cascadable air purifier with the same type, a power/signal receiving terminal formed on the housing unit, and a power/signal output terminal formed on the housing unit and configured to electrically connect to a power/signal receiving terminal of the to-be-connected cascadable air purifier;   a purifying unit including a fan disposed in the hollow base and located at one side of the wind hole, and a filter assembly disposed on the partition plate and located at the other side of the wind hole; and   a control unit including a power switch controller electrically connected to the purifying unit, the power/signal receiving terminal and the power/signal output terminal, and a power source electrically connected to the power switch controller.   
     
     
         2 . The cascadable air purifier according to  claim 1 , wherein the male coupling portion is formed on a bottom of the hollow base, the female coupling portion is formed on the upper cover, and the male coupling portion and the female coupling portion are configured to vertically stack the cascadable air purifier with the to-be-connected cascadable air purifier. 
     
     
         3 . The cascadable air purifier according to  claim 2 , wherein the power/signal output terminal is formed on the bottom of the hollow base, and the power/signal receiving terminal is formed on the upper cover. 
     
     
         4 . The cascadable air purifier according to  claim 1 , wherein the male coupling portion and the female coupling portion are formed on one side wall of the hollow base and configured to horizontally combine the cascadable air purifier with the to-be-connected cascadable air purifier. 
     
     
         5 . The cascadable air purifier according to  claim 4 , wherein the power/signal output terminal and the power/signal receiving terminal are formed on the side wall of the hollow base. 
     
     
         6 . The cascadable air purifier according to  claim 1 , wherein the housing unit further includes a connecting ring disposed on the hollow base; and
 wherein the power/signal output terminal is formed on one side wall of the hollow base, and the power/signal receiving terminal is formed on an inner side wall of the connecting ring; or   the power/signal output terminal is formed on the inner side wall of the connecting ring, and the power/signal receiving terminal is formed on one side wall of the hollow base.   
     
     
         7 . The cascadable air purifier according to  claim 1 , wherein the housing unit further includes at least one protruding structure and at least one recessed structure; and
 wherein the protruding structure is disposed on a bottom of the hollow base, and the recessed structure is disposed on the top of the hollow base; and   the power/signal receiving terminal is disposed on the protruding structure, and the power/signal output terminal is disposed on the recessed structure.   
     
     
         8 . The cascadable air purifier according to  claim 1 , wherein the control unit includes a negative ion generator, an air sensor and a buzzer; the negative ion generator is configured to increase a negative ion concentration of a surrounding environment, the air sensor is configured to detect an air quality of the surrounding environment, and the buzzer is configured to perform a buzzer warning when the air quality does not meet a standard value. 
     
     
         9 . The cascadable air purifier according to  claim 1 , wherein the upper cover includes an annular surface, a concave portion, and a grip; the annular surface is formed on a periphery of the concave portion, the grip is disposed on the annular surface and located above the concave portion. 
     
     
         10 . The cascadable air purifier according to  claim 1 , wherein the filter assembly includes an activated carbon filter and a high efficiency filter, and the high efficiency filter is disposed on a periphery of the activated carbon filter.