Abstract:
The present invention discloses a fuel cell device with charger function, which comprises a base, a fuel cell stack, a system fan, a wind cover, a display, a circuit board, a condenser structure, a condensing fan, a mixing tank and a pump. The fuel cell device could not only supply the power to various electronic products for usage and provide with the charger function, but also could charge different electronic products anytime and anywhere to realize the mobile charging idea.

Description:
FIELD OF THE INVENTION 
       [0001]    The present invention relates to a fuel cell device, and particularly to a fuel cell device providing self generation and with the function of mobile charging. 
       BACKGROUND OF THE INVENTION 
       [0002]    The fuel cell could provide various features, such as extremely long operation time, without charging, low pollution, and low noise, and has been treated as a new generation of energy technology when the energy saving and environmental protection issues have been emphasized worldwide. Currently, a lot of high technology companies have worked hard to develop a micro fuel cell device to replace the existing batteries as the power source for portable electronic products. Unfortunately, the fuel cell device provided by each manufacturer could only be applied for a specific power consumption apparatus, but not suitable for other brands, or other types of power consumption apparatus for use. Secondly, the conventional fuel cell device could not provide the functions as a charger, and it still needs to combine with the independent power from the power consumption apparatus itself, and rely on the associated facilities, such as water management and heat management, provided by the power consumption apparatus itself, so as to keep the power supply from breaking down. Thus, the conventional fuel cell devices not only have the above-mentioned defects, but also have a large development space to work on. 
         [0003]    The inventor of the present invention has been in view of the conventional defects, and worked for the improvement to disclose a fuel cell device with charger function, which could not only have self-generation and supply the electricity to various electronic products for operation, but also could function as a charger for various electronic products. 
       SUMMARY OF THE INVENTION 
       [0004]    The main object of the present invention is to provide a fuel cell device, which could not only supply the power to various electronic products for usage and provide with the charger function, but also could charge different electronic products anytime and anywhere to realize the mobile charging idea. 
         [0005]    To this end, the present invention provide a fuel cell device with charger function, which comprises: a base; a fuel cell stack, which is fixed at the base; at least one cathode fuel inlet, which is configured at the end of the upper surface of the fuel cell stack; a system fan, which is configured on the first side of the fuel cell stack; a wind cover, in which one end of the wind cover is tightly coupled with the first side of the fuel cell stack, and the other end of the wind cover is tightly coupled with the system fan; a display, which is configured on the second side of the fuel cell stack; a circuit board, which is vertically fixed with the base, and configured on the third side of the fuel cell stack; a condenser structure, which is configured on the fourth side and on the upper surface of the fuel cell stack, and the inlet of the condenser structure is coupled with the system fan; a condensing fan, which is tightly fixed on one side of the condenser structure; a mixing tank, which is tightly coupled with the side of the condenser structure on the same side of the condensing fan, and the mixing tank is connected to the anode fuel inlet of the fuel cell stack and the condenser structure with pipes, respectively; and, a pump, which is tightly configured on one side of the mixing tank. 
     
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0006]    The present invention would be detailed described in the following to make the skilled in the art further understand the objects, features and advantages of the present invention with the embodiments and the attached figures, wherein: 
           [0007]      FIG. 1  is a three-dimensional appearance view of the fuel cell device according to the present invention; 
           [0008]      FIG. 2A  is a front view and a partial perspective view of the internal assembly structure of the fuel cell device according to the present invention; 
           [0009]      FIG. 2B  is a rear view of the internal assembly structure of the fuel cell device according to the present invention; 
           [0010]      FIG. 2C  is a three-dimensional exploded diagram of the fuel cell device in  FIG. 2A ; and 
           [0011]      FIG. 3  is a layout diagram for the internal pipes of the fuel cell device according to the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0012]      FIG. 1  is a three-dimensional appearance view of the fuel cell device according to the present invention. The fuel cell device  1  according to the present invention could be used as a charger. As shown in  FIG. 1 , from the appearance, the fuel cell device  1  at least comprises a display  100  and a connection interface  102 ; in which, the connection interface  102  is at least used as an output for the power generated by the fuel cell stack in the fuel cell device  1 , and is used to connect with an electronic device, such as notebook computer, mobile phone, personal digital assistant (PDA), or any kind of portable electronic machine, and the means for the connection interface  102  could employ various electrical connection to realize, such as the conventional universal serial bus (USB) or cable. Also, the connection interface  102  could comprise a connection terminal for outputting different levels of voltage, such as 5V, 9V, 12V or 17V to the electronic device for usage. Furthermore, the display  100  according to the present invention could display various electric messages in the operation for the fuel cell device  1 , for example, the messages for insufficient power, saturation, or failure removal. And, the display  100  in the present invention is suitable to employ a compact liquid crystal display (LCD). 
         [0013]      FIG. 2A  is a front view and a partial perspective view of the internal assembly structure of the fuel cell device according to the present invention.  FIG. 2B  is a rear view of the internal assembly structure of the fuel cell device according to the present invention.  FIG. 2C  is a three-dimensional exploded diagram for the fuel cell device in  FIG. 2A . As shown in  FIG. 2A  and  FIG. 2B , the fuel cell device  1  according to the present invention comprises: a display  100 , a base  104 , a fuel cell stack  106 , a system fan  108 , a wind cover  110 , a circuit board  112 , a condenser structure  114 , a condensing fan  116 , a mixing tank  118 , and a pump  120 . 
         [0014]    The internal configuration for these components in the fuel cell device  1  would be described in details. First, the fuel cell stack  106  is fixed with the base  104 , and the cathode fuel inlets  1060  as the air inlets are configured at the end of the upper surface of the fuel cell stack  106 . As shown in  FIG. 2A , the fuel cell stack  106  is presented as a rectangular cylinder in appearance. The system fan  108  is configured on the first side of the fuel cell stack  106 , and provided with the function to introduce the air from the cathode fuel inlets  1060  to the reaction area inside the fuel cell stack  106 . One end of the wind cover  110  is similarly tightly coupled with the first side of the fuel cell stack  106 , and the other end of the wind cover  110  is tightly coupled with the system fan  108 . With the configuration of the wind cover  110 , it could effectively improve the performance for introducing air into the fuel cell stack  106  by the system fan  108 . The display  100  is configured on the second side of the fuel cell stack  106 . The circuit board  112  is vertically fixed with the bas  104 , and configured on the third side of the fuel cell stack  106 . The fuel cell device  1  according to the present invention further comprises at least on circuit component, wherein these circuit components are configured on the circuit board  112 , and the circuit components are electrically connected with the fuel cell stack  106 . These circuit components could be used to establish a power management circuit, so that the power generated by the fuel cell stack  106  could be matched with the power required by the electronic device. 
         [0015]    Next, the condenser structure  114 , the condensing fan  116 , the mixing tank  118  and the pump  120  would be described. As shown in  FIG. 2A , the condenser structure  114  is configured on the upper surface of the fuel cell stack  106 , and configured on the fourth side of the fuel cell stack  106 , and the inlet of the condenser structure  114  is coupled with the system fan  108 . As for the direct methanol fuel cell (DMFC), the condenser structure  114  is used to condense the steam from the system fan  108  into a liquid water. Of course, the recycled condensing water could be used by the fuel cell again. The condensing fan  116  is tightly fixed with one side of the condenser structure  114 , with the function to enhance the condensing effect of the condenser structure  114 . The mixing tank  118  is tightly coupled with the side of the condenser structure  114  on the same side of the condensing fan  116 , and the mixing tank  118  is connected with the anode fuel inlet of the fuel cell stack  106  and the condenser structure  114  with pipes, respectively. As for the direct methanol fuel cell, the mixing tank  118  is used to store the methanol aqueous solution. The pump  120  is tightly configured on one side of the mixing tank  118 , and usually employs a kind of dosing pump as the embodied component. 
         [0016]      FIG. 3  is a layout diagram of the internal pipes of the fuel cell device  1  according to the present invention. As shown in  FIG. 3 , the pump  120  is connected between the mixing tank  118  and an external fuel tank  30  with pipes for pulling the fuel in the fuel tank  30  into the first inlet  1180  of the mixing tank  118 ; wherein, the fuel tank  30  is usually used to store high density fuel. As for the direct methanol fuel cell, the fuel tank  30  is used to store the pure methanol. Moreover, the fuel cell device  1  further comprises: a first pump  32  and a second pump  34 ; wherein, the first pump  32  is connected between the mixing tank  118  and the fuel cell stack  106  with pipes for pulling the fuel in the mixing tank  118  into the anode fuel inlet  1062  of the fuel cell stack  106 ; and, the second pump  34  is connected between the mixing tank  118  and the condenser structure  114  with pipes for pulling the condensing water generated from the condenser structure  114  into the second inlet  1182  of the mixing tank  118 . As for the condensing water generated by the condenser structure  114 , it is mainly condensed by cooling and heat dissipation from the steam  36  generated by the fuel cell stack  106 . Furthermore, the anode fuel outlet  1064  of the fuel cell stack  106  in the fuel cell device  1  according to the present invention is also connected with the third inlet  1184  of the mixing tank  118  with pipes, so that the fuel without complete reaction in the fuel cell stack  106  could be recycled back to the mixing tank  118 . 
         [0017]    The fuel cell device  1  with charger function according to the present invention could have self-generation, and provide with water management and heat management mechanism by itself, which is particularly suitable for application during a trip and for the area without public electricity system, and becomes the advantage of the present invention. 
         [0018]    The present invention have been described in details with the preferred embodiments as above, and these disclosed embodiments are not used to limit the scope of the present invention. The skilled in the art could have some changes and modification without departing from the spirit and scope of the present invention, and these changes and modification are still belonged to the attached claims of the present invention.