A thermal tripping device of a surge protector and its realization method
A technology of surge protector and thermal trip, which is applied in the direction of emergency protection circuit device, circuit device, emergency protection circuit device for limiting overcurrent/overvoltage, etc., and can solve the problem that the structure of surge protector is simple and cannot be realized Surge protection, low safety factor and other issues, achieve good protection effect, high safety factor, reduce circuit damage or damage to circuit components
Active Publication Date: 2019-06-14
杭州南威电力有限公司
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Problems solved by technology
[0004] The invention proposes a thermal tripping device of a surge protector and its implementation method, which solves the problem that most of the existing surge protectors have simple structures, large limitations, and low safety factors. When one of the surge protectors fails, it cannot To achieve surge protection, the problem of not being able to achieve surge protection in multiple ways
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0022] refer to Figure 1-2, a thermal tripping device of a surge protector and its implementation method, comprising a first fixed frame 1 and a second fixed frame 20, the second fixed frame 20 and a fixed column 2 are installed inside the first fixed frame 1 One side of the second fixed frame 20 is provided with a fixed column 2 fixed on the inner wall of the first fixed frame 1, a clamping frame 19 is welded on the fixed column 2, and a piezoresistor 18 is installed inside the clamping frame 19. Both side walls of the varistor 18 are provided with intermediate connecting pieces 15, and one intermediate connecting piece 15 extends to the inside of the second fixed ...
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The invention relates to a thermal tripping device of a surge protector and a realization method of the thermal tripping device, belongs to the field of surge protectors, and aims at solving the problems that a present surge protector tends to be simple in structure, high in limitation and low in safety coefficient, surge protection cannot be realized when one fault occurs and surge protection cannot be realized in different manners. The thermal tripping device comprises first and second fixation frames, the second fixation frame and a fixed column arranged at one side of the second fixation frame are installed in the first fixation frame, a clamping frame is welded to the fixed column, a piezoresistor is installed in the clamping frame, the two sidewalls of the piezoresistor are providedwith intermediate connecting sheets respectively, one intermediate connecting sheet extends to the internal of the second fixation frame, the bottom wall of the piezoresistor is provided with two pins, and the side, far from the second fixation frame, of the piezoresistor is provided with a shoe plate. Thus, surge protection can be realized in different manners, the protection effect is good, andthe safety coefficient is high.
Description
technical field [0001] The invention relates to the technical field of surge protectors, in particular to a thermal tripping device of a surge protector and an implementation method thereof. Background technique [0002] Surge protector, also known as surge protector or lightning protector, is an electronic device that provides safety protection for various electronic equipment, instruments, and communication lines. When a peak current or voltage suddenly occurs in the electrical circuit or communication line due to external interference, the surge protector can conduct the shunt in a very short time, thereby avoiding the damage of the surge to other equipment in the circuit. The surge protector , suitable for AC 50 / 60HZ, rated voltage 220V to 380V power supply system, to protect against indirect lightning and direct lightning effects or other transient overvoltage surges, suitable for family residences, tertiary industries and industrial surge protection requirements. Sur...
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IPC IPC(8): H02H9/00H01H71/20
CPCH01H71/20H02H9/005
Inventor 陈婕毛舒淑陈鹏
Owner 杭州南威电力有限公司