121results about "Switchgear shutters/guards" patented technology

The invention relates to the technical field of GIS switch cabinets, and discloses a GIS switch cabinet with a stable safety device, the GIS switch cabinet comprises a switch cabinet, the inner cavity of the switch cabinet is provided with a circuit breaker mounting bin, the inner cavity of the switch cabinet is also provided with a static contact, and the bottom of the circuit breaker mounting bin is fixedly provided with a slide rail component. And a slidable handcart component is arranged on the inner wall of the slide rail component. A second fixing plate, a rotating frame, a rotating wheel and a pull rod are wrapped through a protection plate, so that personnel cannot directly make contact with the structure, and the problem that when no circuit breaker body exists in the circuit breaker installation bin, personnel can open and close a valve assembly at will, and consequently electric shock accidents are increased is solved. By limiting the two groups of rotating frames, the two groups of rotating frames are kept in a locked state, so that the problem that the two groups of rotating frames relatively move due to external force when the top of the track does not bear the circuit breaker main body through the handcart component is solved, and the safety of the valve component is further improved.

The utility model provides a valve driving mechanism, a valve mechanism and a switch cabinet for a trolley-type circuit breaker. The switch cabinet comprises a contact box, the contact box comprises a positioning plate and a box body corresponding to each phase, the box body is fixed to the positioning plate, the valve driving mechanism comprises a driving assembly corresponding to one valve, the edge of the positioning plate is provided with a slide groove, the driving assembly comprises: a sliding bracket, which is used to be fixed to the valve, and the sliding bracket is used to be movably arranged on the positioning plate and can slide along the slide groove, the sliding bracket can move between a first position and a second position, when the sliding bracket is located at the first position, the valve is in a closed state, and when the sliding bracket is located at the second position, the valve is in an open state; a driving rod, which is rotatably connected to the sliding bracket, and the driving rod can be rotated to drive the sliding bracket to slide.

The present disclosure relates to a shutter assembly and a switchboard comprising same, and provides a shutter assembly comprising: a shutter plate arranged to cover an outer terminal arranged on the rear surface of a switchboard case; and a shutter driving unit which is connected to one side of the shutter plate and which moves the shutter plate in the left and right directions, wherein the shutter driving unit has at least a portion pressed and rotated by means of a circuit breaker according to the entry of the circuit breaker into the switchboard case, so that the outer terminal covered by the shutter plate is exposed toward the inside of the switchboard, and thus the shutter plate is moved.

The present invention provides a switch cabinet valve mechanism, comprising a cabinet, guide plates fixedly mounted on both sides of the cabinet, and a guide rod vertically mounted on the cabinet, a valve that moves up and down is sleeved on the guide rod through a rebound module, the valve is fixedly mounted on a transmission module through a fixed plate, a transmission module is fixedly mounted in the guide plate, and the transmission module is respectively arranged corresponding to the valves that move up and down; the push rod moves forward and backward in the guide groove under the action of the circuit breaker trolley, driving the chain and the valve connected to the chain to move up and down. The present invention is composed of a sprocket, a chain, a guide plate, a push rod, a guide rod, a valve, a spring, a fixed block, a fixed plate, etc., which abandons the crank arm and connecting rod mechanism of the traditional valve and adopts a sprocket chain transmission, so that the structure is more compact and reliable, the operation is smooth, and the occupied space is greatly reduced, and it is particularly suitable for compact cabinets with small space.

This invention provides a driving device for a centrally located switchgear valve baffle, comprising an actuating mechanism, an active mechanism, a transmission mechanism, and a guiding mechanism. The actuating mechanism is located on the lower front side of the switchgear truck for the operator to apply force to drive the switchgear truck into the trolley compartment. The active mechanism is located on the left and right rear sides of the switchgear truck for applying force to the transmission mechanism during the movement of the switchgear truck into the trolley compartment. The transmission mechanism includes an upper transmission mechanism and a lower transmission mechanism located on the left and right side plates of the trolley compartment. The upper and lower transmission mechanisms are adapted to drive the upper and lower valve baffles respectively to open under the force applied by the active mechanism, thereby exposing the high-voltage stationary contacts. The guiding mechanism is located on the rear side plate of the trolley compartment for vertically guiding the movement of the upper and lower valve baffles. This application features a clever and simple structural design that can simultaneously drive both sides of the valve baffle, making the opening and closing action of the valve baffle more flexible, stable, and reliable, effectively avoiding valve baffle jamming.

The invention discloses a high-voltage metal-enclosed switchgear which comprises a cabinet body made of metal plates, the interior of the cabinet body is divided into a bus chamber for placing buses, a circuit breaker chamber for placing circuit breakers and a cable chamber for placing cables from top to bottom, and a vertical public pressure relief channel is arranged on the right side of the cabinet body. The center line of each corresponding upper contact box and the center line of each corresponding lower contact box are located on the same vertical axis, an upper contact arm and a lower contact arm of the circuit breaker are also located on the vertical axis and stretch out and draw back up and down, and the upper contact arm and the lower contact arm penetrate through the upper valve and the lower valve respectively. And the upper static contact and the lower static contact are respectively connected to form a conductive loop. According to the invention, the size is greatly reduced, the manufacturing cost is reduced, the current-carrying capability is improved, the discharge of the contact arm to the ground and air is effectively prevented, and the safety is better ensured.

The invention relates to the technical field of nuclear power plant safety protection equipment, and discloses a movable equipment fixing device which comprises a device body, an upper moving unit is installed on the device body, an upper positioning insertion hole is formed in the upper moving unit, a positioning pin is arranged on movable equipment in a matched mode, and the positioning pin is suitable for being matched with the upper positioning insertion hole to be inserted and positioned; the lower fixing unit is fixedly installed on the device body, a lower electromagnetic adsorption assembly is installed on the lower fixing unit, and the movable equipment is suitable for being adsorbed and fixed to the electromagnetic adsorption assembly; and the bottom plate fixing unit is fixedly installed at the bottom of the device body, a wheel fixing and limiting mechanism is arranged in the bottom plate fixing unit, and wheels of the movable equipment are suitable for being matched with the wheel fixing and limiting mechanism for limiting. According to the movable equipment fixing device, through triple synergistic effects of mechanical positioning, electromagnetic adsorption and wheel limiting, sliding, shaking or toppling of the movable equipment in an earthquake can be effectively restrained, and the safety and stability of the equipment are improved.

A handcart type high-voltage switch cabinet disclosed by the present invention comprises a cabinet body, a driving assembly and a baffle plate, the cabinet body is fixedly provided with a guide rod, the guide rod is sleeved with a lifting shell, the lifting shell is slidably provided with a sliding plate, and the baffle plate is connected with the sliding plate; a rotating pin is rotationally arranged on the lifting shell, a spiral groove is formed in the rotating pin, a protruding block is fixedly arranged on the sliding plate, and the protruding block is arranged in the spiral groove in a sliding mode; by arranging a rotating pin, before a baffle slides upwards, a connecting shaft slides in a connecting hole, the rotating pin is driven to rotate through a rotating pipe and a rotating ring, a sliding plate drives the baffle to slide towards the outer side through cooperation of a spiral groove and a protruding block, the baffle is separated from a shielding position, friction between the baffle and the cabinet body in the sliding process is avoided, and the cabinet body is protected from being damaged. And then the connecting shaft abuts against the top of the connecting hole, the lifting shell and the baffle are driven to move upwards, the static contact is exposed, a moving contact on the circuit breaker can be conveniently connected with the static contact in an inserted mode, and operation portability is improved.

A hinge-protected main circuit connector for unit compartment incoming lines, and a unit assembly. The main circuit connector comprises: an insulating housing, the front end of which is provided with a front socket; and a hinge protection structure, which is mounted at the front end of the insulating housing and closes the front socket. When a copper bar of a unit main circuit moving connector is inserted into hinges, the hinges are driven to open; and when the unit main circuit moving connector is withdrawn, the hinges automatically close. The hinge-protected main circuit connector for unit compartment incoming lines is applied to an incoming line side of a unit compartment, thereby enabling the protection level of the unit compartment incoming lines to be improved.

The contact box comprises a contact box body and a base which are integrally formed by using an insulating material, a movable contact channel is arranged in a connecting area of the base and the contact box body, and the sectional size of the movable contact channel is matched with the size of an opening of the contact box body; the contact box comprises a shielding layer, and the shielding layer is in embedded connection with at least part of the inner wall of the contact box. The static contact is assembled and connected with the inner wall of the contact box, and the moving contact is inserted into the moving contact channel and then is engaged and connected with the static contact. According to the invention, the integrated design of the contact box and the base is adopted, and the same insulating material is used, so that the problems of insufficient inter-phase creepage distance and insufficient inter-electrode creepage distance are solved, the installation of the contact box is enabled to be fast and convenient, the installation centering degree is also ensured, and the good contact between the contacts can be kept during working.

The invention discloses a high-voltage switch cabinet convenient for handcart maintenance, which belongs to the technical field of switch cabinets and comprises a switch cabinet body, a movable handcart is arranged in a handcart chamber in the switch cabinet body, a static contact is fixed on the inner wall of the handcart chamber, and a moving contact is arranged on the handcart at a position corresponding to the static contact; the closing driving unit is arranged in the handcart chamber in a sliding manner; the polishing unit is rotationally mounted in the handcart chamber and is in sliding connection with the moving contact; and the rotating unit is rotationally connected to the end part of the polishing unit and rotationally connected with the surface of the static contact. By arranging the polishing unit and the rotating unit, the moving contact and the static contact can be automatically polished and cleaned in the switching-on process of the handcart, oxide layers and impurities on the surfaces of the contacts are removed, contact resistance is reduced, contact heating faults are reduced, and the service life of a switch cabinet is prolonged; by arranging the buffer unit, the rigid collision between the moving contact and the static contact can be avoided, the stability of the contact pressure of the contacts is maintained, and the reliability of circuit conduction is improved.

The invention discloses a valve structure of a handcart-type circuit breaker, and the structure comprises a fixed part which is provided with a plurality of through holes; the movable part is linked with the circuit breaker handcart; the plurality of through holes and the movable parts are arranged in two groups, and the two groups of movable parts are arranged in an upper layer and a lower layer; the forward or reverse movement of the circuit breaker handcart is converted into the movement of the two groups of moving parts through the linkage assembly, and the two groups of moving parts correspondingly open or close the through hole so as to expose or shield the circuit breaker static contact in the cavity shell. The invention also discloses a handcart type circuit breaker. According to the handcart type circuit breaker and the valve structure thereof, it is ensured that the movable part and the circuit breaker handcart can move synchronously, the through holes are accurately opened and closed, and an electric shock accident caused by mistakenly touching a static contact by a person is prevented; the structure is simple and reliable, and long-term stable operation of equipment can be ensured.

The utility model relates to the technical field of complete switch equipment, in particular to a hinge protection type main circuit connector for incoming lines of a unit chamber, which comprises an insulating shell, a main circuit board, a main circuit board and a main circuit board, and is characterized in that the front end of the insulating shell is provided with a front socket; and the hinge protection structure is arranged at the front end of the insulating shell and seals the front jack. When the unit pushes the copper bar of the unit main circuit movable plug-in to be inserted into the hinge, the hinge is driven to be opened, the unit main circuit movable plug-in is withdrawn, and the hinge is automatically closed. According to the hinge protection type main circuit connector for the incoming line of the unit room, the inter-phase center of the connector corresponds to the inter-phase center of the unit main circuit movable plug-in and the circuit breaker, a main circuit is not in lap joint connection, the structure of the circuit breaker is not changed, and the problems of application feasibility and universality are solved; the hinge protection type main circuit connector for the incoming line of the unit room is applied to the incoming line side of the unit room, so that the protection grade IP40 of the incoming line of the unit room reaches the high standard.

The utility model provides a metal armored movable switch cabinet, belongs to the technical field of switch cabinets, and aims to solve the problems that moisture and dust in air enter a cabinet body for circulation through vent holes in a partition plate of the cabinet body after a circuit breaker handcart of an existing metal armored movable switch cabinet is drawn out, and the vent holes are easy to block when not cleaned. Comprising a switch cabinet body. The circuit breaker chamber cabinet door is hinged to the front side of the switch cabinet main body; the circuit breaker handcart is connected in the switch cabinet main body in a sliding manner; the middle partition plate is riveted at the bottom of the switch cabinet main body; the arc-shaped trigger block is connected to the interior of the middle partition plate in a sliding mode; the clamping grooves are welded to the two sides of the switch cabinet body. The through hole cleaning assembly is arranged at the bottom of the middle partition plate; and the spliced sound insulation assemblies are arranged on the two sides of the switch cabinet main body. The device has the advantages of being convenient to circulate and clean, stable in structure and the like.

Locking device (100) for a switchgear compartment (599) with a circuit breaker (999), wherein the locking device (100) comprises a main locking lever (200) which can be in at least one locking position and in a trip prevention position, characterized in that the main locking lever (200) comprises at least two legs (210; 220), wherein the first leg (210) in the locking position blocks the transition of the locking device (100) to the trip prevention position if the circuit breaker (999) is in the OFF position, and wherein the second leg (220) in the switch-off prevention position blocks the transition of the circuit breaker (999) to the OFF position.

The present disclosure relates to a shutter assembly, a locking device, a switchboard door, and a switchboard including same, and provides the switchboard including: a switchboard case which is mounted such that a shutter can be moved to a test position and a connected position; a door which is installed in the switchboard case to be opened or closed; a shutter assembly configured to open or close a terminal disposed inside the switchboard case, as the shutter is moved into the switchboard case; and a locking device which is configured to be disposed in an area caught by the shutter assembly when the shutter assembly is rotated, and is rotated to an area not caught by the shutter assembly as the shutter is moved into the switchboard case, so that the shutter assembly is rotatable.

The utility model relates to the technical field of dehumidifiers, and discloses an outdoor box-type switch room assembly, which is characterized by comprising a pipeline component, a box-type transformer, a dehumidification device, electric equipment, a switch room shell and a partition plate, the partition plate is fixedly arranged in the switch room shell and divides the interior of the switch room shell into a first storage space and a second storage space, the box-type transformer is arranged in the first storage space, the electric equipment is arranged in the second storage space, and the dehumidification device is arranged in the second storage space and used for processing and dehumidifying air in the second storage space. One end of the pipeline component is connected with the dehumidification device, the other end of the pipeline component is connected with the interior of the electric equipment, all the electric equipment is connected through the pipeline component, the handcart chamber, the bus chamber and the cable chamber are placed in the second storage space, the indoor air is dehumidified in cooperation with the dehumidification structure, and then the indoor air is subjected to dehumidification treatment; and then the dehumidified air is delivered into the electric equipment.

Switchgear (1) comprising a first compartment (200) accommodating a drawer-type VMC (5) with a vacuum contactor (55) and a power fuse (12), and a second compartment (300, 400) accommodating a main circuit (30, 40), the switchgear (1) being adapted to perform a connection / disconnection between the vacuum contactor (55) and the main circuit (30, 40) by a pulling operation, the switchgear (1) comprising: a fixing frame (4) separating the first compartment (200) and the second compartment (300, 400) from each other and having two bushings (9a, 9b) arranged in a perpendicular direction with respect to a pulling direction of the vacuum contactor (55) for connecting terminals (51, 52) of the vacuum contactor (55) and terminals (7a, 8a) of the main circuit (30, 40); and Closing means (10a, 10b) for closing the two passages (9a, 9b) at a time of separation, wherein one end of the power fuse (12) is located between the two bushings (9a, 9b) in a position ensuring insulation from the closed closure devices (10a, 10b) in a separated state, and another end of the power fuse (12) is located above the vacuum contactor (55), so that the power fuse (12) is mounted so that its longitudinal direction has predetermined angles with respect to the pulling direction and the vertical direction.

A shutter mechanism (20) for a control center is provided with a shutter cover (8) attached to a partition plate (7) that separates a busbar room (5) of a control center (100) from a functional unit room (4) in which a functional unit (1) to be implemented is disposed. The shutter cover (8) has a front protrusion (9) that protrudes forward from its bottom, and the functional unit (1) has a spacer (11) on its bottom. When the functional unit (1) is inserted into the functional unit room (4), the spacer (11) provided on the functional unit (1) presses against the front protrusion (9) of the shutter cover (8). As the functional unit is inserted into the functional unit room (4), the shutter cover (8) moves in conjunction with the functional unit and opens, thereby enabling a connection between the busbar (6) and the junction (2) of the functional unit (1).

The present discussion relates to a bus bar for preventing unintentional contact. One example includes an immersion tank and a protected automated busbar assembly located in the immersion tank. A protected automatic busbar assembly may include a conductor and a deployable protector biased on the conductor. An example may include a computer including a device controller and an electrical connector. The device controller may be configured to overcome the bias voltage and transition the deployable protector away from the conductor to allow the conductor to be engaged by the electrical connector to couple the computer to the conductor of the protected automatic busbar assembly.

The invention belongs to the technical field of power distribution equipment, and particularly discloses a pull-out switch cabinet which comprises a cabinet body and drawer units, a plurality of mounting grooves are formed in the cabinet body, one drawer unit can be mounted in each mounting groove, and a state switching hand wheel is arranged on each drawer unit. By arranging the middle rod capable of rotating and moving back and forth along the axis, the action of the middle rod is controlled by operating the state switching hand wheel in the process of plugging and unplugging the fan-shaped plug-in. The arc-shaped conductor is not in contact with the built-in conductor, when the arc-shaped conductor is inserted into the innermost end of the conductive groove, the middle rod is moved through the axis, and the arc-shaped conductor moves along with the arc-shaped conductor, gets close to the built-in conductor and then is in contact with the built-in conductor, so that frequent relative displacement between the arc-shaped conductor and the built-in conductor caused by frequent plugging operation is avoided; abrasion of a conductor contact surface is greatly reduced, maintenance cost is reduced, and stability of an electric power system is improved.

The utility model discloses a door interlocking device which comprises an interlocking rod, one end of the interlocking rod is provided with a hook portion used for locking the closing state of a handcart chamber door, and the handcart chamber door is provided with an interlocking bolt used for being connected with the hook portion in a clamped mode. The other end of the interlocking rod is arranged to be a transmission end used for being connected with a valve mechanism in a handcart chamber in a transmission mode, and an interlocking axis used for being fixedly connected with the handcart chamber is arranged in the middle of the interlocking rod in a hinged mode. According to the utility model, a linkage structure of the interlocking rod and the valve mechanism is arranged, when the handcart chamber door is operated to be closed to enable the handcart to be rocked into a working position, the handcart chamber door is synchronously locked through the interlocking rod, so that an operator cannot open the handcart chamber door without additional active locking operation of the operator, and the electrical five-prevention requirement is met.

The invention relates to the technical field of power supply equipment, in particular to a high-voltage movable switch cabinet which comprises a vertically arranged frame body, and box plates are fixedly connected to the left side and the right side of the frame body through bolts; a control chamber is arranged at the upper end of the front part of the frame body; the upper end of the rear part is provided with a wire inlet chamber in which a bus assembly is arranged; the lower end of the front part is provided with a circuit breaking chamber which is internally provided with a circuit breaking assembly and a valve assembly. A cable chamber is arranged at the lower end of the rear part and is internally provided with a grounding assembly and an on-off assembly; a linkage assembly is further arranged in the frame body, and the linkage assembly is used for achieving action linkage of the circuit breaking assembly and the on-off assembly so as to ensure that the circuit breaking assembly can be pulled out in the power-off state. The grounding assembly comprises a grounding switch, and the grounding switch achieves the on-off operation with the wire bar through the switching-on and switching-off operation of the grounding switch. The on-off assembly comprises a pull rod, and the pull rod pulls the grounding switch to perform rotary opening and closing operation.

A locking mechanism (20) for a control center (100) comprises a locking cover (8) attached to a partition plate (7) that separates a busbar chamber (5) from a functional unit chamber (4) in which a functional unit (1) to be mounted is arranged for the control center.The closure cover (8) has a front projection (9) on its base, which projects forward in a forward direction, wherein the functional unit (1) has a spacer (11) on its base surface and, when the functional unit (1) is inserted into the functional unit chamber (4), the front projection (9) of the closure cover (8) is pressed by the spacer (11) provided on the functional unit (1) such that the closure cover (8) moves in a latching manner to open simultaneously with the insertion of the functional unit, thereby enabling a connection between the busbar (6) and a terminal (2) of the functional unit (1).

The invention relates to the technical field of switch cabinets, and provides a high-voltage draw-out type switch cabinet with a mistaken touch prevention structure, which comprises a cabinet body, the cabinet body comprises a circuit breaker chamber, a bus chamber and a cable chamber, a base is slidably mounted on the bottom surface of the circuit breaker chamber, a circuit breaker is mounted on the base, and the bus chamber is connected with the circuit breaker; a fixing frame is installed on the face, close to the bus chamber and the cable chamber, of the circuit breaker chamber, a protection mechanism and a trigger mechanism are arranged on the fixing frame, and a conversion mechanism is arranged in the trigger mechanism. According to the invention, the driving plate drives the driven plate to rotate to form a circular whole, so that the circular groove II is blocked, and after the circular groove II is blocked, external moisture, dust and the like can be prevented from entering the circular groove II, and external impurities are prevented from polluting static contacts in the bus chamber and the cable chamber in the maintenance process; through the arrangement of the switching mechanism, the opening and closing of the second circular groove can be realized only by rotating the threaded rod, convenience is provided for the high-voltage nuclear phase operation, and the working efficiency of workers is greatly improved.

The present invention discloses an electrical control switch cabinet with a protective function and a control method thereof, and relates to the technical field of electrical control switch cabinets. The electrical control switch cabinet with a protective function comprises a plurality of drawer chambers and a plurality of drawers arranged on the switch cabinet body, and the drawer comprises a plug, and a avoidance groove is provided on the top of the drawer chamber. The electrical control switch cabinet with a protective function and a control method thereof can seal and protect the drawer chamber after the drawer is pulled out, so as to prevent external dust and other impurities from entering the drawer chamber, and at the same time, prevent others from accidentally touching the drawer chamber, so as to be safer and more reliable, and ensure its use effect and life; when the drawer is inserted, the surface of the plug can be automatically cleaned to ensure the reliability of the connection, and at the same time, the drying box can be moved into the drawer to dry the drawer chamber and the drawer to avoid the influence of humid air, so as to achieve better protection effect and ensure its use effect and life.

The present invention relates to the technical field of valve structures, and discloses a switch cabinet and a valve locking device, comprising a valve structure and a locking structure. The valve structure comprises a valve body that is longitudinally movably assembled on the switch cabinet. The locking structure comprises a locking plate that is movably assembled in the switch cabinet, a transmission shaft that is transmission-connected to the locking plate, and a driving handle that drives the transmission shaft. The valve body is provided with a bayonet, and the locking plate is provided with a buckle that engages with the bayonet. During its movement, the locking plate has a locking position in which the buckle engages with the bayonet to lock the valve body and an unlocking position in which the buckle disengages from the bayonet to unlock the valve body. An operator drives the transmission shaft to move in the switch cabinet through the driving handle, and the transmission shaft drives the locking plate to move in the switch cabinet. The buckle of the locking plate engages with the buckle on the valve body, thereby locking the valve body and locking the position of the valve body. This ensures the stability of the valve in its working state and prevents sliding or falling off, thereby improving the reliability of the valve and the switch cabinet.