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 first side conductive sheet (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 a first side external conductive joint point (111), and the external surrounding reed (102) is installed with a first side middle conductive joint point (112), thereby the two joints commonly constitute a first side switching device (100) to perform ON/OFF operations with a second side switching device (200);
• the first side external conductive joint point (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 first side middle conductive joint point (112);
• the first side middle conductive joint point (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 first side external conductive joint point (111);
• a second side conductive sheet (208):
• made of a material having properties of electric conductivity and elasticity, and installed a second side external conductive joint point (211) and a second side middle conductive joint point (212) surrounding the periphery of the second side external conductive joint point (211);
• the second side external conductive joint point (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 second side middle conductive joint point (212);
• the second side middle conductive joint point (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 second side external conductive joint point (211);
• wherein the distance between the first side external conductive joint point (111) and the second side external conductive joint point (211) is longer;
• and the distance between the first side middle conductive joint point (112) and the second side middle conductive joint point (212) is shorter;
• wherein when the operation of engaging for electric conduction (ON) is performed, the engagement process of the first side switching device (100) and the second side switching device (200) is that:
• the first side middle conductive joint point (111) of the first side switching device (100) is firstly in contact with the second side middle conductive joint point (211) of the second side switching device (200), then the first side external conductive joint point (112) of the first side switching device (100) and the second side external conductive joint point (212) of the second side switching device (200) are in contact;
• wherein when the operation of separating for termination (OFF) is performed, the separation process of the first side switching device (100) and the second side switching device (200) is that:
• the first side middle conductive joint point (112) is firstly disengaged from the second side middle conductive joint point (212), then the first side external conductive joint point (111) is disengaged from the second side external conductive joint point (211);
• wherein on the first side 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 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 first side external conductive joint point (111) and the second side external conductive joint point (211) and between the first side middle conductive joint point (112) and the second side middle conductive joint point (212) are that:
• the distance between the first side external conductive joint point (111) and the second side external conductive joint point (211) is longer, while the distance between the first side middle conductive joint point (112) and the second side middle conductive joint point (212) is shorter;
• wherein the first side external conductive joint point (111) and the second side external conductive joint point (211) are structured by external conductive joint points having higher arc wearing resistance;
• wherein the first side middle conductive joint point (112) and the second side middle conductive joint point (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 switching device (100) and the second side switching device (200) is that:
• the first side middle conductive joint point (112) of the switching device is firstly in contact with the second side middle conductive joint point (211), and then the first side external conductive joint point (111) of the switching device and the second side external conductive joint point (211) 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 switching device (100) and the second side switching device (200) is that:
• the first side external conductive joint point (111) is firstly released from the second side external conductive joint point (211), and then the first side middle conductive joint point (112) is released from the second side middle conductive joint point (211).