Slim-type gas transporting device

Abstract

A slim-type gas transporting device is provided and includes a base plate, a gas pump and a top covering. The base plate includes a first surface, a second surface, an accommodation groove, an outlet groove, a positioning portion, a ventilating hole, a circular truncated cone plug, an inlet tube and an outlet tube. The outlet groove includes an outlet channel in fluid communication with the outlet tube. The positioning portion surrounds the accommodation groove. The ventilating hole having a cone profile is located on the positioning portion and includes an inlet end in communication with the inlet tube and a ventilating end in communication with the accommodation groove. The circular truncated cone plug is accommodated in the ventilating hole. The gas pump is disposed on the accommodation groove and covers the outlet groove. The top covering is disposed on the positioning portion and covers the accommodation groove.

What is claimed is: 
     
         1 . A slim-type gas transporting device comprising:
 a base plate comprising:
 a first surface; 
 a second surface opposite to the first surface; 
 an accommodation groove recessed from the first surface and comprising an accommodation surface; 
 an outlet groove recessed from the accommodation surface and comprising an outlet channel; 
 a positioning portion protruded from the first surface and surrounding the accommodation groove; 
 a ventilating hole located on the positioning portion and comprising an inlet end and a ventilating end, wherein the ventilating end is in fluid communication with the accommodation groove, and the ventilating hole is tapered from the ventilating end to the inlet end; 
 a circular truncated cone plug accommodated in the ventilating hole and fitted with the ventilating hole; 
 an inlet tube in fluid communication with the inlet end of the ventilating hole; and 
 an outlet tube in fluid communication with the outlet channel of the outlet groove; 
   a gas pump disposed on the accommodation surface of the accommodation groove and covering the outlet groove; and   a top covering disposed on the positioning portion and covering the accommodation groove.   
     
     
         2 . The slim-type gas transporting device according to  claim 1 , wherein the circular truncated cone plug comprises a first sealing end and a second sealing end, wherein the first sealing end is corresponding to the ventilating end of the ventilating hole, and the second sealing end is corresponding to the inlet end of the ventilating hole. 
     
     
         3 . The slim-type gas transporting device according to  claim 2 , wherein the circular truncated cone plug comprises a dome structure disposed on the first sealing end. 
     
     
         4 . The slim-type gas transporting device according to  claim 3 , wherein the dome structure abuts the top covering. 
     
     
         5 . The slim-type gas transporting device according to  claim 3 , wherein the thickness of the dome structure is 0.15 mm. 
     
     
         6 . The slim-type gas transporting device according to  claim 2 , wherein the diameter of the first sealing end is in a range between 1 mm and 1.4 mm. 
     
     
         7 . The slim-type gas transporting device according to  claim 6 , wherein the diameter of the first sealing end is 1.2 mm. 
     
     
         8 . The slim-type gas transporting device according to  claim 6 , wherein the diameter of the second sealing end is in a range between 0.8 mm and 0.9 mm. 
     
     
         9 . The slim-type gas transporting device according to  claim 8 , wherein the diameter of the second sealing end is 0.85 mm. 
     
     
         10 . The slim-type gas transporting device according to  claim 1 , wherein the positioning portion comprises at least one fixing hole, and the top covering comprises at least one fixing column passing through the at least one fixing hole. 
     
     
         11 . The slim-type gas transporting device according to  claim 1 , wherein the gas pump comprises:
 a gas inlet plate having at least one gas inlet aperture, at least one convergence channel and a convergence chamber, wherein the at least one gas inlet aperture is disposed to inhale the gas, the at least one gas inlet aperture correspondingly penetrates through the gas inlet plate and in fluid communication with the at least one convergence channel, and the at least one convergence channel is converged into the convergence chamber, so that the gas inhaled through the at least one gas inlet aperture is converged into the convergence chamber;   a resonance plate disposed on the gas inlet plate and having a central aperture, a movable part and a fixed part, wherein the central aperture is disposed at a center of the resonance plate and is corresponding to the center of the convergence chamber of the gas inlet plate, the movable part surrounds the central aperture and is corresponding to the convergence chamber, and the fixed part surrounds the movable part and is fixedly attached on the gas inlet plate; and   a piezoelectric actuator correspondingly disposed on the resonance plate;   wherein a chamber space is formed between the resonance plate and the piezoelectric actuator, so that when the piezoelectric actuator is driven, the gas introduced from the at least one gas inlet aperture of the gas inlet plate is converged to the convergence chamber through the at least one convergence channel, and flows through the central aperture of the resonance plate so as to produce a resonance effect with the movable part of the resonance plate and the piezoelectric actuator to transport the gas.   
     
     
         12 . The slim-type gas transporting device according to  claim 11 , wherein the piezoelectric actuator comprises:
 a suspension plate in square-shape permitted to undergo a bending vibration;   an outer frame surrounding the suspension plate;   at least one bracket connected between the suspension plate and the outer frame to provide an elastic support for the suspension plate; and   a piezoelectric element having a side, wherein a length of the side of the piezoelectric element is less than or equal to that of the suspension plate, and the piezoelectric element is attached on a surface of the suspension plate, wherein when a voltage is applied to the piezoelectric element, the suspension plate is driven to undergo the bending vibration.   
     
     
         13 . The slim-type gas transporting device according to  claim 12 , wherein the gas pump further comprises a first insulation plate, a conducting plate and a second insulation plate, and the gas inlet plate, the resonance plate, the piezoelectric actuator, the first insulation plate, the conducting plate and the second insulation plate are stacked and assembled sequentially. 
     
     
         14 . The slim-type gas transporting device according to  claim 1 , wherein the circular truncated cone plug is made of an elastic material. 
     
     
         15 . The slim-type gas transporting device according to  claim 14 , wherein the elastic material is a silicone material. 
     
     
         16 . The slim-type gas transporting device according to  claim 14 , wherein the elastic material is a rubber material.