Circuit breaker
A circuit breaker and circuit technology, applied to circuits, parts of protective switches, electrical components, etc., can solve problems such as high production cost of line components, large temperature rise of short-circuit protection mechanism, unreasonable layout of circuit breakers, etc., and achieve internal structure compact effect
Pending Publication Date: 2021-01-08
ZHEJIANG CHINT ELECTRIC CO LTD
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- Abstract
- Description
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AI Technical Summary
Problems solved by technology
[0003] 1. Due to the unreasonable layout of the internal components of the circuit breaker, the larger specifications of the circuit breaker cannot meet the installation requirements of a smaller space;
[0004] 2. The temperature rise of the short-circuit protection mechanism of the existing circuit breaker is large, and the production cost of the line assembly is high;
[0005] 3. When the overload protection mechanism of the existing circuit breaker flows through a large current, the temperature rise is too large;
[0006] 4. The installation space of the control circuit board of the existing circuit breaker is insufficient, which is not conducive to the installation and design of the control circuit board;
[0007] 5. The existing circuit breakers do not have a reliable means of detecting working conditions
Method used
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Embodiment Construction
[0034] The following is attached Figure 1-12 The given examples further illustrate the specific implementation of the circuit breaker of the present invention. The circuit breaker of the present invention is not limited to the description of the following embodiments.
[0035] Such as Figure 1-4 As shown in , 12, the circuit breaker of the present invention is preferably a plug-in circuit breaker, which includes a housing and a circuit breaking pole circuit arranged in the housing. The housing includes a base 1-1a and an upper cover 1-4a, and the circuit breaking pole circuit It includes a button mechanism 2a, an operating mechanism 4a and a contact mechanism. The contact mechanism includes a moving contact 8-1a and a static contact 8-2a used in conjunction. The button mechanism 2a is inserted at one end of the housing and is driven and connected to the operating mechanism 4a , the operating mechanism 4a is driven and connected to the moving contact 8-1a; press / pull the bu...
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The invention relates to the field of low-voltage electric appliances, in particular to a circuit breaker, which comprises a shell, and a circuit breaking pole circuit and a straight pole circuit which are respectively arranged in the shell, wherein the circuit breaking pole circuit comprises a button mechanism, an electric operating device, an operating mechanism and a circuit breaking pole wiring board, the electric operating device and the operating mechanism are arranged in the shell, the circuit breaking pole wiring board is connected in series in the circuit breaking pole circuit, the button mechanism is inserted into one end of the shell and is in driving connection with the operating mechanism, the electric operating device comprises a motor and a gear set, and the motor is in driving fit with the operating mechanism through the gear set; the straight pole circuit comprises a straight-through electrode wiring board; and the shell comprises a base, an upper cover and a second partition plate arranged between the base and the upper cover, the second partition plate and the button mechanism are arranged side by side, the open-circuit pole wiring board is arranged between the second partition plate and the upper cover, and one end of the straight-through pole wiring board and the motor are arranged between the second partition plate and the base side by side. The circuit breaker is compact in internal layout and good in insulativity.
Description
technical field [0001] The invention relates to the field of low-voltage electrical appliances, in particular to a circuit breaker. Background technique [0002] Most existing circuit breakers have the following problems: [0003] 1. Due to the unreasonable layout of the internal components of the circuit breaker, the larger specification of the circuit breaker cannot meet the installation requirements of a smaller space; [0004] 2. The temperature rise of the short-circuit protection mechanism of the existing circuit breaker is large, and the production cost of the line assembly is high; [0005] 3. When the overload protection mechanism of the existing circuit breaker flows through a large current, the temperature rise is too large; [0006] 4. The installation space of the control circuit board of the existing circuit breaker is insufficient, which is not conducive to the installation and design of the control circuit board; [0007] Five, the existing circuit breaker...
Claims
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IPC IPC(8): H01H71/02H01H71/08
CPCH01H71/0207H01H71/08
Inventor 顾斌斌杨安卢科军
Owner ZHEJIANG CHINT ELECTRIC CO LTD