Biological safety cabinet

Abstract

A biological safety cabinet comprises a cabinet body, an experiment chamber, a blower, and a soft material chamber. The cabinet body is cuboid and comprises a first elongated side. The experiment chamber is disposed in the cabinet body. The blower impels air in a direction parallel to the first elongated side. The soft material chamber is connected to the blower, wherein air flows from the blower through the soft material chamber and into the experiment chamber.

1 . A biological safety cabinet, comprising: 
 a cabinet body;    a soft material chamber;    a first frame, comprising a first body and a first flange disposed thereon, wherein the soft material chamber is fixed to the first body; and    a second frame, disposed in the cabinet chamber, comprising a second body and a second flange disposed thereon, wherein the first frame is detachably connected to the second frame.    
   
   
       2 . The biological safety cabinet as claimed in  claim 1 , wherein the soft material chamber is fixed to the first body.  
   
   
       3 . The biological safety cabinet as claimed in  claim 2 , wherein the soft material chamber is further fastened to the first body by a plurality of bolts.  
   
   
       4 . The biological safety cabinet as claimed in  claim 1 , wherein the first flange is disposed on an end surface of the first body.  
   
   
       5 . The biological safety cabinet as claimed in  claim 1 , wherein the second flange is disposed on an end surface of the second body.  
   
   
       6 . The biological safety cabinet as claimed in  claim 1 , wherein the first flange is connected to the second flange.  
   
   
       7 . The biological safety cabinet as claimed in  claim 6 , further comprising a plurality of bolts, connecting the first flange to the second flange.  
   
   
       8 . The biological safety cabinet as claimed in  claim 7 , further comprising at least one second opening, disposed on the second flange, wherein the bolts pass the second opening and connect the first flange to the second flange  
   
   
       9 . The biological safety cabinet as claimed in  claim 8 , wherein the second opening comprises a pass portion and a fixed portion, the fixed portion is close to the pass portion, the fixed portion is circular, the fixed portion is longitudinal, and a diameter of the pass portion exceeds the width of the fixed portion.  
   
   
       10 . A biological safety cabinet, comprising: 
 a cabinet body;    a blower;    a first combination element, disposed on the cabinet body;    a second combination element, disposed on the blower; and    a buffer element, disposed between the first combination element and the second combination element, and contacting the first combination element and the second combination element.    
   
   
       11 . The biological safety cabinet as claimed in  claim 10 , wherein the first combination element is substantially a U-shaped plate.  
   
   
       12 . The biological safety cabinet as claimed in  claim 10 , wherein the second combination element is an L-shaped plate.  
   
   
       13 . The biological safety cabinet as claimed in  claim 10 , wherein the first combination element and the second combination element are connected to the buffer element by bolts.  
   
   
       14 . The biological safety cabinet as claimed in  claim 10 , wherein the buffer element is made of rubber.  
   
   
       15 . A biological safety cabinet, comprising: 
 a cabinet body, cuboid and comprising a first elongated side;    an experiment chamber, disposed in the cabinet body;    a blower, whereby air is impelled in a direction parallel to the first elongated side; and    a soft material chamber, connected to the blower, wherein air flows through the soft material chamber and into the experiment chamber.    
   
   
       16 . The biological safety cabinet as claimed in  claim 15 , wherein the direction is counterclockwise declined 15° with respect to a horizontal plane.  
   
   
       17 . The biological safety cabinet as claimed in  claim 15 , wherein the soft material chamber comprises a disturbing portion, corresponding to the blower to disturb the air.  
   
   
       18 . The biological safety cabinet as claimed in  claim 15 , wherein the soft material chamber is made of canvas.  
   
   
       19 . A biological safety cabinet, comprising: 
 a cabinet body;    an experiment chamber, disposed in the cabinet body, wherein the experiment chamber comprises a window;    a blower, disposed in the cabinet body and impelling air to the experiment chamber;    a gate, disposed on the cabinet body, wherein when the gate is in a first position, the window is closed, and when the gate is in a second position, the window is opened;    a transmission mechanism, connected to the gate;    a weight, connected to the transmission mechanism, wherein when the gate is in the first position, the weight is in a first position, and when the gate is in the second position, the weight is in a second position;    a controller; and    a detection device, detecting the position of the weight, and transmitting a signal to the controller, wherein the controller activates the blower according to the signal.    
   
   
       20 . The biological safety cabinet as claimed in  claim 19 , wherein when the gate is in the first position, the blower is deactivated.  
   
   
       21 . The biological safety cabinet as claimed in  claim 19 , wherein when the gate is between the first position and the second position, the blower is activated.  
   
   
       22 . The biological safety cabinet as claimed in  claim 19 , wherein when the gate is in the second position, an alarm is activated.  
   
   
       23 . The biological safety cabinet as claimed in  claim 19 , further comprising a UV light source, disposed in the experiment chamber, wherein the controller activates the UV light source according to the signal.  
   
   
       24 . The biological safety cabinet as claimed in  claim 23 , wherein when the gate is in the first position, the UV light source is activated, and the blower is deactivated.  
   
   
       25 . The biological safety cabinet as claimed in  claim 23 , wherein when the gate is between the first position and the second position, the UV light source is deactivated, and the blower is activated.  
   
   
       26 . The biological safety cabinet as claimed in  claim 19 , further comprising a line and a pulley block, the line connect in the gate and the weight, running through the pulley block.  
   
   
       27 . A biological safety cabinet, comprising: 
 a cabinet body, comprising an opening;    a soft material chamber, disposed in the cabinet body; and    a three-way pipe, comprising a first portion, a second portion and a third portion, wherein the first portion extends out of the cabinet body through the opening and is connected to the soft material chamber.    
   
   
       28 . The biological safety cabinet as claimed in  claim 27 , further comprising a particle density detection device, connected to the second pipe to monitor particle density of air in the soft material chamber.  
   
   
       29 . The biological safety cabinet as claimed in  claim 27 , further comprising a manometer, connected to the third pipe to measure pressure of air in the soft material chamber.