10results about How to "Reduce arc energy" patented technology

The invention provides a circuit breaker, relates to the technical field of switches, and is used for improving the capability of cutting off the current of a circuit where the circuit breaker is located, improving the power utilization safety and improving the contact stability of a moving contact and a static contact when the circuit where the circuit breaker is located is abnormal. The circuit breaker comprises a shell, two static contacts, a moving contact, a pushing mechanism and a first elastic piece, the moving contact has a contact position and a separation position relative to the shell, when the moving contact is in the contact position, the two contact ends make contact with the corresponding static contacts at the same time, and the circuit breaker is in a closed state. And when the moving contact is in the separation position, the two contact ends are separated from the corresponding static contacts at the same time, and the circuit breaker is in a disconnected state. The pushing mechanism is provided with a contact support and is used for driving the moving contact to be switched between the contact position and the separation position. And the first elastic piece is used for applying an acting force to the two contact ends when the moving contact is in the contact position, wherein the acting force approaches to the corresponding static contact.

The utility model discloses an exhaust structure of an alternating current circuit breaker, which relates to the field of circuit breakers and comprises a shell and an arc extinguish chamber, the shell comprises a middle cover, a left cover and a right cover, the left cover and the right cover are mounted on two sides of the middle cover, and the middle cover is provided with a plurality of first gas guide plates for guiding gas from the arc extinguish chamber to the left side and the right side. The middle cover and the left cover are matched to form a first exhaust channel, the middle cover and the right cover are matched to form a second exhaust channel, a third exhaust channel and a fourth exhaust channel, and a first outlet communicated with the first channel and a second outlet communicated with the second exhaust channel and the fourth exhaust channel are formed in the bottom of the side wall of the shell. And a third outlet communicated with the third channel is formed in the upper surface of the shell. The utility model has the advantages of space saving and good safety.

The application discloses a nylon composite material, which comprises the following components in parts by weight: aliphatic nylon 60-80 parts; MCA flame retardant 15-35 parts; polyethylene glycol 5-10 parts; and polyether block amide 4-10 parts. The MCA with specific free cyanuric acid content is used in the application, and the MCA generates inert gas due to the high temperature generated by an electric arc in the IPT test, which is beneficial to the rapid outward diffusion of the electric arc. Meanwhile, the polyether block amide as a charge dissipating agent can reduce the electric arc energy and guide the rapid diffusion of the electric arc. Meanwhile, the introduction of the polyethylene glycol can improve the water absorption of the nylon composite material, and the electric arc diffusion is synergized, so that the IPT is further improved. Meanwhile, the nylon composite material has a flame retardancy of 0.8mm V-0.

The utility model belongs to the technical field of low-voltage electric appliances, and discloses an arc extinguishing structure and a circuit breaker. The arc extinguishing structure comprises a static cover and a movable cover; wherein the static cover is used for covering the static contact, and a static contact point of the static contact is exposed out of the static cover, so that the moving contact is in contact with the static contact point; the moving cover is rotationally connected to the static cover, and the moving cover is in linkage connection with the moving contact; the moving contact rotates around the first direction to drive the moving cover to rotate around the second direction until the static contact is exposed, and the moving contact of the moving contact is attracted with the static contact. The moving contact rotates around the second direction, the moving contact is separated from the static contact, and the moving cover can be driven to rotate around the first direction to seal the static contact. According to the arc extinguishing structure, the linkage effect between the movable cover and the movable contact is adopted, the arc can be rapidly cut off in a short time through the physical partition arc extinguishing mode of the static cover and the movable cover, the generated arc energy is small, and meanwhile, the large current breaking capacity of the circuit breaker can be effectively improved due to the fact that the space limitation of the arc extinguishing chamber is eliminated.

The utility model relates to the technical field of relays, and discloses a magnetic latching relay which comprises a shell, the shell is provided with a contact structure and a driving structure, the contact structure comprises a movable contact piece and a static contact piece, the driving structure comprises a magnet yoke assembly and a coil assembly, the shell is provided with a magnetic blow-out structure, and the magnetic blow-out structure comprises a first magnet and a second magnet. The first magnet is arranged on one side of the shell, the second magnet is arranged on the other side of the shell, the magnetism of the first magnet towards the second magnet is the same as the magnetism of the second magnet towards the first magnet, and the shell cannot be punctured by shunted current. The magnetism of the first magnet towards the second magnet is the same as that of the second magnet, the different magnetisms of the magnets can guide the electric arc to move towards different directions, the generated electric arc is shunted, the energy of the shunted electric arc is reduced, the shunted electric arc cannot break down, and damage of the electric arc to the magnetic latching relay is avoided.

The utility model provides a double-channel circuit breaker, which relates to the technical field of circuit breakers, and comprises a shell, an arc isolating wall, a magnetism increasing sheet and an arc extinguishing chamber, the arc isolating wall is provided with an arc resisting bulge, the arc resisting bulge is provided with a bend, the opening direction of the arc resisting bulge is opposite to the movement direction of an arc entering the arc extinguishing chamber through an arc running channel, and the arc isolating wall is provided with a through hole I; the first through hole is located at the opening position of the arc blocking protrusion, a second through hole corresponding to the first through hole is formed in the magnetism increasing sheet, and part of electric arc blocked by the arc blocking protrusion can enter the arc extinguish chamber through the first through hole, the second through hole and a flow channel in the shell. According to the multi-flow-channel structure with the arc stopping protrusions, the arc running channels and the shunting flow channels, multi-flow-channel arc striking can accelerate arc cooling and reduce arc energy, the arc entering the position of the shell cannot return to the arc running channels due to different arc channels, the arc cannot cause the back breakdown phenomenon of the arc, and therefore the breaking capacity of a product is improved.

The invention discloses an arc extinguishing system and an electric appliance switch thereof, and belongs to the technical field of electric appliance equipment, the arc extinguishing system comprises a front arc extinguishing grid plate group and a rear arc extinguishing grid plate group which are connected in parallel, and the front arc extinguishing grid plate group is connected with a static arc striking grid plate and a movable arc striking grid plate; when one rear arc extinguishing grid plate group is arranged, two ends of the rear arc extinguishing grid plate group are respectively connected with the static arc striking grid plate and the movable arc striking grid plate, and when multiple rear arc extinguishing grid plate groups are arranged, one end of the first group is connected with the static arc striking grid plate, and one end of the second group is connected with the movable arc striking grid plate; when a plurality of groups of rear arc extinguishing grid sheet groups are arranged, the arc extinguishing grid sheet structure also comprises arc striking grid sheet groups, the front ends of the arc striking grid sheet groups are attached and inserted among the arc extinguishing grid sheets of the front arc extinguishing grid sheet group, the rear ends of the arc striking grid sheet groups are respectively connected with the end parts of different rear arc extinguishing grid sheet groups, and the different rear arc extinguishing grid sheet groups are connected in series through the arc striking grid sheet groups. According to the invention, the intervention time of the arc extinguishing grid sheets can be shortened, the initial arc energy is greatly reduced, the duration of the metal phase arc is reduced, the number of the arc extinguishing grid sheets can be increased, and the breaking capacity and the electrical life of the electric appliance switch are greatly improved.

This invention relates to the field of intelligent distribution cabinet technology, specifically to an intelligent power grid distribution cabinet and its protection method with real-time monitoring and interlocking protection. The cabinet includes: a distribution cabinet body containing a circuit breaker and a disconnecting switch; an intelligent execution module installed on the circuit breaker; the disconnecting switch comprising: multiple sets of insulation groups, each set including two sets of insulating posts; a conductive arm group rotatably connected to one of the insulating posts; an elastic conductive component including two sets of elastic abutment structures and a clearance structure disposed between the two sets of elastic abutment structures; when the conductive arm group extends or retracts along its length, it can push the clearance structure aside and fit against the elastic abutment structure; and an energy storage structure with a trigger plate on a follower plate. The trigger plate cooperates with the energy storage structure to enable the energy storage structure to have a first state and a second state that are switched by being pulled, thereby driving the conductive arm group to move rapidly and shortening the time of arc generation and duration.

The present application relates to the field of plasma, and discloses a method for coating a blade electrode, a blade electrode, a sliding arc plasma reactor and a method for plasma conversion of methane, the method comprising: using atomic layer deposition to apply a coating material to a blade electrode in a sliding arc plasma reactor to obtain a plating layer containing at least two single-layer atomic layer deposition metal oxide films arranged in layers on the surface of the blade electrode, the plating layer being a semiconductor material, wherein the number of layers of the plating layer is at least two, and the coating material forming any two adjacent plating layers is different. The scheme provided by the present application can modify the blade electrode by coating a dielectric layer on the surface of the blade electrode, can directly and efficiently convert methane into ethylene, can reduce energy consumption, can effectively inhibit carbon deposition, can not produce CO2, can have high ethylene yield, can have no risk of combustion and explosion, and is more safe and environmentally friendly.

The invention discloses an arc extinguishing control circuit device, which comprises a first shell, a second shell, a first arc extinguishing mechanism, a second arc extinguishing mechanism, a first binding post and a second binding post, and the multi-stage arc extinguishing mechanism of the device can effectively improve the reliability and efficiency of arc extinguishing. A coil, a spring and an iron block in the first arc extinguishing mechanism form an electromagnetic system, and a magnetic field generated by the coil can quickly act on the iron block, so that a contact plate is driven to act through a connecting rod, the current is quickly cut off, and the arc forming time can be effectively shortened. A first guide piece and a second guide piece in the second arc extinguishing mechanism guide the arc to an arc extinguishing strip, the arc extinguishing strip can segment the arc in a physical mode, arc energy is reduced, and arc extinguishing is further accelerated. The design of the air holes in the side face of the second shell facilitates heat dissipation in the device, equipment damage caused by high temperature is prevented, and the whole device is designed in a modular mode, so that the device is compact in structure and convenient to install and maintain.