3results about How to "Accelerate off" patented technology

This utility model relates to an air outlet structure for a miniature circuit breaker. By setting a first air outlet and a second air outlet on the housing, a multi-channel arc-extinguishing path is formed. During the operation of the circuit breaker, the electric arc and heat generated inside can be quickly dissipated through these two air outlets, preventing the airflow from interfering with each other within the arc-extinguishing assembly. This effectively reduces the residence time of the electric arc inside the circuit breaker. The first air guide wall between the arc-extinguishing assembly and the first air outlet, and the second air guide wall between the arc-extinguishing assembly and the second air outlet, play a role in precisely guiding the airflow. When an electric arc is generated, the air guide wall can guide the airflow in an orderly and uniform manner to the arc-extinguishing assembly, forming a stable and suitable airflow field around the arc-extinguishing grid. This airflow field helps to quickly remove the heat and plasma generated by the electric arc, accelerate the arc extinguishing process, improve the arc extinguishing efficiency, reduce the erosion of the internal components of the circuit breaker by the electric arc, and enhance the breaking capacity and reliability of the circuit breaker.

The application discloses an electrical protection device for a low-voltage circuit, comprising a protection shell, a double-contact assembly, a contact seat assembly, an arc blowing assembly and an arc extinguisher, in order to solve the technical problem that the general electrical protection device in the prior art has slow arc extinguishing speed, limited breaking capacity, and the contact is easy to be ablated and damaged when frequently breaking the arc, and lacks a mechanism for preventing misoperation after fault tripping, resulting in insufficient safety, the application designs the above-mentioned electrical protection device for a low-voltage circuit, the double-contact assembly is used for realizing isolation protection of the arc and the main contact, the arc blowing assembly and the arc extinguisher are used for accelerating the movement and extinguishing of the arc in a cooperative manner, and the self-locking mechanism is used for preventing misoperation after fault, so that the breaking performance and operation safety of the device are improved, and the stable operation of the low-voltage circuit system is ensured.

An arc extinguish chamber structure of a switch belongs to the technical field of low-voltage apparatuses. The arc extinguish chamber comprises a pair of side plates, a plurality of grid pieces arranged between the pair of side plates and a pair of gas generating pieces, the grid pieces are arranged at intervals, and the pair of gas generating pieces are respectively located at the lower edges of the grid pieces. The arc extinguish chamber is characterized in that a partition plate piece is further arranged on the inner side of each side plate and comprises a plate part and a gas generating part extending from the plate part to the grid pieces; and the gas generating part is embedded into a gap between the adjacent grid sheets. The device has the advantages that the gas generating part extending towards the grid plate is arranged on the partition plate piece, so that on one hand, insulating gas is generated to accelerate arc extinguishing; and on the other hand, airflow in the arc extinguish chamber can be ensured to push the arc to be in the middle position, and the arc is prevented from transversely moving to the edge of the grid plate.