Complex protection device
A protection device and fuse technology, applied in emergency protection devices, emergency protection circuit devices, circuit devices, etc., can solve problems such as being difficult to cope with various environments, unsuitable for high power, and weak durability of protection devices, achieving simplified structure, Effects of improved thermal characteristics and reduced disconnection time
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[0093] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0094] Please refer to figure 1 , according to the composite protection device of the present invention, protects the elements connected to the main circuit in an abnormal state by disconnecting the fusible element 10 connected to the main circuit.
[0095] The type of the main circuit of the composite protection device according to the present invention is not limited, for example, the main circuit may be a charging circuit for charging a battery.
[0096] The fusible element 10 is connected to a battery, and a charger and the fusible element 10 are connected to the main circuit.
[0097] In detail, a plurality of resistance elements 20 , 20 a , 25 , 25 a connected to the fusible element 10 and a switching element 30 connected to these resistance elements 20 , 20 a , 25 , 25 a may be provided in the main circuit.
[0098] The switchi...
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