Sequential Switching device with Surrounding Distinctive Joint Points Structure

A sequential switching device with surrounding heterogeneous joint points structure,

• wherein a heterogeneous middle conductive joint point is surrounded by an external conductive joint point and suitable for being applied in a switching device;
• the arc wearing resistance and electric conductive property of the external conductive joint point and the middle conductive joint point are different, so a time delay is generated while the switching device is operated to ON or OFF, and when the switching device is engaged (ON), the external conductive joint point having a higher arc wearing resistance is firstly subject to the arc generated during the electric engagement, and then the middle conductive joint point with lower electric resistance and greater conductivity is subsequently connected in parallel and engaged, and when the switch is disengaged (OFF), the middle conductive joint point with lower electric resistance and greater conductivity is firstly released, and then the external conductive joint point having higher arc wearing resistance is performs the separation (OFF) and is subject to the arc generated during the OFF operation as a result of which, the voltage drop and thermal loss of the joint points is reduced, characterized in that when the switch is engaged (ON), the middle conductive joint point in a surrounding structure provides a more stable engagement between the joint points, and the switching device comprises:
• a conductive sheet of a first side (108):
• made of a material with properties of electric conductivity and elasticity, and installed with an extended internal reed (101) and an external surrounding reed (102) surrounding the periphery of the internal reed (101), and wherein the internal reed (101) is provided with elasticity with respect to the external surrounding reed (102), the internal reed (101) is installed with an external conductive joint point of said first side (111), and the external surrounding reed (102) is installed with a middle conductive joint point of said first side (112), thereby the two joints commonly constitute the first side of switching device (100) to perform ON/OFF operations with a second side of switching device (200);
• the external conductive joint point of said first side (111):
• constituted by one or more than one electric conductive joint points made of a material having lower electric resistance and greater conductivity compared to the middle conductive joint point of said first side (112);
• the middle conductive joint point of said first side (112):
• constituted by one or more than one electric conductive joint points made of a material having higher resistance coefficient and lower conductivity compared to the external conductive joint point of said first side (111);
• a conductive sheet of a second side (208):
• made of a material having properties of electric conductivity and elasticity, and installed an the external conductive joint point of said second side (211) and a middle conductive joint point of said second side (212) surrounding the periphery of the external conductive joint point of said second side (211);
• the external conductive joint point of said second side (211):
• constituted by one or more than one electric conductive joint points made of a material having lower electric resistance and greater conductivity compared to the middle conductive joint point of said second side (212);
• the middle conductive joint point of said second side (212):
• constituted by one or more than one electric conductive joint points made of a material having lower resistance coefficient and greater conductivity compared to the external conductive joint point of said second side (211);
• wherein the distance between the external conductive joint point of said first side (111) and the external conductive joint point of said second side (211) is longer;
• and the distance between the middle conductive joint point of said first side (112) and the middle conductive joint point of said second side (212) is shorter;
• wherein when the operation of engaging for electric conduction (ON) is performed, the engagement process of the first side of switching device (100) and the second side of switching device (200) is that:
• the external conductive joint point of said first side (111) of the first side of switching device is firstly in contact with the external conductive joint point of said second side (211) of the second side of switching device, then the middle conductive joint point of said first side (112) of the first side of switching device and the middle conductive joint point of said second side (212) of the second side of switching device are in contact;
• wherein when the operation of separating for termination (OFF) is performed, the separation process of the first side of switching device (100) and the second side of switching device (200) is that:
• the middle conductive joint point of said first side (112) is firstly disengaged from the middle conductive joint point of said second side (212), then the external conductive joint point of first side (111) is disengaged from the external conductive joint point of said second side (211);
• wherein on the first side of switching device (100), the external surrounding reed (102) is structured to be in a closed circular or rectangular shape and encloses the internal reed (101), a notch is formed between the external surrounding reed (102) and the internal reed (101) extending towards the opposite direction in a tongue-like shape, and the distal portion of the notch is in a sealed state, so the external surrounding reed (102) is provided with elasticity with respect to the internal reed (101);
• wherein on the second side of switching device (200), the external surrounding reed (202) is structured to be in a closed circular or rectangular shape and encloses the internal reed (201), a notch is formed between the external surrounding reed (202) and the internal reed (201) extending towards the opposite direction in a tongue-like shape, and the distal portion of the notch is in a sealed state, so the external surrounding reed (202) is provided with elasticity with respect to the internal reed (201) and the internal reed (201) is inwardly and oppositely extending from the external reed (202);
• wherein the distance relations between the external conductive joint point of said first side (111) and the external conductive joint point of said second side (211) and between the middle conductive joint point of said first side (112) and the middle conductive joint point of said second side (212) are that:
• the distance between the external conductive joint point of said first side (111) and the external conductive joint point of said second side (211) is longer, while the distance between the middle conductive joint point of said first side (112) and the middle conductive joint point of said second side (212) is shorter;
• wherein the external conductive joint point of said first side (111) and the external conductive joint point of said second side (211) are structured by external conductive joint points having higher arc wearing resistance;
• wherein the middle conductive joint point of said first side (112) and the middle conductive joint point of said second side (212) are structured by middle conductive joint points having higher electric resistance and lower conductivity;
• wherein when the operation of engaging for electric conduction (ON) is performed, the engagement process of the first side of switching device (100) and the second side of switching device (200) is that:
• the external conductive joint point of said first side (111) of the switching device is firstly in contact with the external conductive joint point of said second side (211) of the switching device, and then the middle conductive joint point of said first side (112) of the switching device and the middle conductive joint point of said second side (212) of the switching device are in contact;
• and
• wherein when the operation of separating for termination (OFF) is performed, the separation process of the first side of switching device (100) and the second side of switching device (200) is that:
• the middle conductive joint point of said first side (112) is firstly released from the middle conductive joint point of said second side (212), and then the external conductive joint point of said first side (111) is released from the external conductive joint point of said second side (211).