Circuit breaker and power supply protection system
A circuit breaker and circuit technology, applied in safety/protection circuits, emergency protection circuit devices, current collectors, etc., can solve problems such as hidden dangers and battery wiring errors and safety.
Pending Publication Date: 2020-11-20
ZHEJIANG CHINT ELECTRIC CO LTD +1
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] When the load connected to the circuit breaker is a battery-type power supply facility, it is easy to cause safety hazards due to incorrect battery wiring (the positive and negative terminals of the battery are reversed)
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0030] The following is attached Figure 1-5 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.
[0031] A circuit breaker comprising a main contact system C, a positive circuit with a positive input and a positive output, a negative circuit with a negative input and a negative output, the main contact system C being connected between the positive input and the positive output And / or connected between the negative input terminal and the negative output terminal, and also includes a drive circuit 1 and an actuator 2 sequentially connected between the positive circuit and the negative circuit, the drive circuit 1 includes a unidirectional conduction element, and the unidirectional conduction The current conduction direction of the component is from the negative circuit of the circuit breaker to the positive ...
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The invention relates to the field of low-voltage electric appliances and especially relates to a circuit breaker. The circuit breaker comprises a main contact system, a positive electrode circuit with a positive electrode input end and a positive electrode output end, and a negative electrode circuit with a negative electrode input end and a negative electrode output end, and the main contact system is connected between the positive electrode input end and the positive electrode output end and / or connected between the negative electrode input end and the negative electrode output end; the circuit breaker further comprises a driving circuit and an executing mechanism which are sequentially connected between the positive electrode circuit and the negative electrode circuit; and the drivingcircuit comprises a one-way conduction element, a current conduction direction of the one-way conduction element is from the negative electrode circuit of the circuit breaker to the positive electrodecircuit of the circuit breaker, and when the driving circuit is conducted, the executing mechanism is electrified to act to prevent the main contact system C from being closed. According to the circuit breaker, the driving circuit and the executing mechanism can avoid wiring errors; the invention also relates to a power supply protection system comprising the circuit breaker; and the driving circuit and the executing mechanism can avoid wiring errors.
Description
technical field [0001] The invention relates to the field of low-voltage electrical appliances, in particular to a circuit breaker and a power supply protection system. Background technique [0002] A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. The circuit breaker is connected to the power supply system , according to the working state of the power grid equipment in the power supply system, the opening and closing operations can be performed. It can be used to cut off and connect the load circuit, and cut off the fault circuit to prevent the expansion of the accident. It has the function of ensuring the safe operation of the power grid equipment. [0003] When the load connected to the circuit breaker is a battery-type power supply facility, it is easy to cause safety hazards due to incorrect battery wiring...
Claims
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Login to View More IPC IPC(8): H02H11/00H02J7/00
CPCH02H11/002H02J7/0034
Inventor 卢科军顾翔翼
Owner ZHEJIANG CHINT ELECTRIC CO LTD