127results about "Air-break switch details" patented technology

The application provides a control circuit for an isolating switch or grounding switch and GIS equipment, and belongs to the field of GIS equipment, comprising a disconnecting control branch and a closing control branch, wherein the disconnecting control branch is connected with a disconnecting contactor coil in series, is connected with a disconnecting signal input end, and is further connected with a disconnecting holding branch, and the disconnecting holding branch is connected with a positive pole of a control power supply through a normally open contact of a protection relay; the closing control branch is connected with a closing signal input end, is further connected with a closing holding branch, and the closing holding branch is connected with the positive pole of the control power supply through the normally open contact of the protection relay. A protection relay coil and a switch module are connected in series between positive and negative poles of a motor power supply, and the switch module comprises a disconnecting contactor first normally open contact and a closing contactor first normally open contact which are connected in parallel with each other. The starting time of the protection relay is greater than the reset time of the disconnecting contactor and the closing contactor.

The application relates to the technical field of electrical connection, in particular to a wiring module and an electrical isolation switch, which comprises a module main body, a common conductive assembly and first and second wiring terminals arranged on the two sides of the module main body respectively. The first wiring terminal comprises an elastic assembly which can press the first external conductor against the common conductive assembly to form an electrical connection. The structure of the second wiring terminal can be combined with that of the first wiring terminal in multiple ways according to actual requirements. The application adopts the elastic assembly for wiring on at least one side, thereby simplifying the wiring operation and improving the installation efficiency. Meanwhile, the continuous pressing force provided by the elastic assembly helps to improve the long-term reliability of the connection. The modular different terminal combinations enhance the application flexibility and market compatibility of the product.

The utility model relates to a gear transmission structure of isolation mechanism, including input gear, intermediate gear and output gear, the input gear and intermediate gear engage, intermediate gear and output gear engage, the central hole one is opened on the input gear, is provided with the clamping slot on the inner wall of central hole, the central hole two is opened on the output gear, and the end of central hole two is provided with the key groove, the tooth number ratio of input gear, intermediate gear and output gear is 1:1:2, the utility model's advantage lies in improving transmission efficiency, improves the stability of transmission, greatly improves the service life of transmission structure, satisfies the strict requirement to high -voltage isolating switch opening and closing time.

The application discloses an indoor three-pole electric single-blade double-throw isolating switch and relates to the technical field of power system equipment. The technical points are as follows: the isolating switch comprises a mounting chassis, the mounting chassis is provided with a first wiring position, a second wiring position, a main-blade operating module, a third wiring position, a ground-blade operating module and a fourth wiring position; one end of the main-blade operating module is connected with the third wiring position, the main-blade operating module is connected with a main-blade driving mechanism, and the main-blade driving mechanism can drive the other end of the main-blade operating module to move between the second wiring position and the first wiring position; the ground-blade operating module is connected with a ground-blade driving mechanism, and the ground-blade driving mechanism is used for driving the ground-blade operating module to move towards the third wiring position with the fourth wiring position when grounding is needed. The isolating switch has the advantages of simple structure, small space occupancy, an electric grounding device arranged at the incoming line side, the ability to meet the requirements of reliability and flexibility of the power system and the ability to improve the safety of equipment maintenance.

The utility model discloses a high-voltage grounding switch for electric locomotive teaching simulation, which comprises a connecting seat, the top of the connecting seat is rotatably connected with a shaft body, two sides of the shaft body are fixedly connected with a left support and a right support respectively, one end of the left support and one end of the right support are fixedly connected with knife switches, and two sides of the shaft body are connected with knife switches. One end of the connecting seat is fixedly connected with a contact spring piece, the contact spring piece corresponds to the position of the knife switch, a lower cover is arranged at the bottom of the connecting seat, one end of the lower cover is rotatably connected with an operating rod assembly, an interlocking mechanism, a turntable assembly and a connecting rod assembly are arranged in the lower cover, one side of the interlocking mechanism is connected with a lock assembly, and the lower end of the shaft body is connected with the connecting rod assembly. One end of the connecting rod assembly is connected with the turntable assembly, and one end of the turntable assembly is fixedly connected with the operating rod assembly. The appearance size, each part and action interlocking control performance of the device are consistent with those of a real piece, the teaching practical training requirement and the safety requirement are completely met, and meanwhile the cost is greatly reduced.

This invention relates to the field of electrical switch technology, specifically to a high-voltage switchgear with opening / closing angle detection, comprising a support base, support columns, and conductive arms mounted on the support columns; there are at least two support columns arranged in pairs, and each pair of conductive arms is provided with a contact finger and a conductive head; the contact finger includes a power component, two adjustment components, and two clamping arms. In the initial stage of opening, the power component causes the two clamping arms to rotate and open; in the final stage of closing, the power component causes the two clamping arms to rotate and retract, reducing contact with the conductive head and thus reducing wear. When the clamping arms rotate, the adjustment components cause one clamping arm to extend away from the support column, and the other clamping arm to retract towards its corresponding support column, aligning with the offset direction of the side of the contacting conductive head. There is no relative movement between the contact finger and the conductive head, further reducing frictional wear between them.

This invention relates to the field of high-voltage disconnecting switch technology, and more specifically to a locking device for a three-column horizontal rotary high-voltage disconnecting switch. The locking device includes a mounting bracket and a locking mechanism. The mounting bracket is fixed to the interlocking brackets of the left, middle, and right sets of switch columns, and is provided with a left mounting plate, a left linkage mounting plate, a right linkage mounting plate, and a right mounting plate, each with through holes. The locking mechanism includes a left locking rod, a right locking rod, and corresponding left locking components, left linkage locking components, right locking components, and right linkage locking components. The left locking rod passes through the through holes in the left mounting plate and the left linkage mounting plate, and its two ends are connected to the left locking components and the left linkage locking components through adjustable mounting structures. The right locking rod passes through the through holes in the right mounting plate and the right linkage mounting plate, and its two ends are connected to the right locking components and the right linkage locking components through adjustable mounting structures. This invention has a compact structure, is easy to install and maintain, and offers high safety.

The application relates to the technical field of low-voltage electrical equipment, and discloses a fuse-type isolating switch which comprises a shell, a mounting bin is arranged in the shell, a plurality of mounting grooves are arranged in the mounting bin, a fuse body is arranged in the mounting grooves, an electricity-connection end is fixedly arranged on one side of the fuse body, a plurality of electricity-connection parts are arranged in the shell, the electricity-connection end is arranged on the inner side of the electricity-connection part, a sealing plate is fixedly connected to one side of the mounting bin and closely adheres to the outer side surface of the shell, an elastic plate is arranged below the electricity-connection part, a plurality of groups of insulating plates are fixedly connected to the top surface of the elastic plate, and an outer frame is fixedly connected to the bottom surface of the shell. Through cooperation of the insulating plates and the linkage assembly, the fuse body can be quickly plugged and replaced, the mechanism can be powered off at the same time, the safety of operation is ensured, and the main power supply does not need to be disconnected.

This invention provides a horizontal high-voltage disconnecting switch, including a disconnecting switch body and an assembly protection device. The assembly protection device is snapped onto the disconnecting switch body. The disconnecting switch body includes a contact mechanism and a contact finger mechanism. The assembly protection device has a first slot matching the contact mechanism and a second slot matching the contact finger mechanism. The assembly protection device is snapped onto the contact mechanism through the first slot and onto the contact finger mechanism through the second slot, thereby preventing the contact mechanism and the contact finger mechanism from opening in the horizontal direction. This application, through the assembly protection device, enables the high-voltage disconnecting switch to be safely installed during the assembly and commissioning process, solves the problem of significant safety hazards during the assembly and commissioning of high-voltage disconnecting switches, reduces production costs, and improves assembly efficiency.

This application provides a side-opening electrically operated disconnect switch, comprising: a mounting plate installed in a disconnect switch cabinet; two disconnect switch bodies, one of which is disposed on the upper surface of the mounting plate, and the other of which is disposed directly above the first disconnect switch body and connected by an insulating block; and an electrically operated device disposed below the mounting plate relative to the two disconnect switch bodies, with its drive end connected to the transmission end of the two disconnect switch bodies via a connector and used to control the opening or closing of the two disconnect switch bodies. This application can quickly disconnect the circuit in case of a fault, while avoiding the expansion of the fault due to mechanical jamming. Thus, while ensuring electrical isolation, it simplifies the mechanical structure, improves the reliability and service life of the disconnect switch cabinet, and provides an important guarantee for the safe operation of the subway power supply system.

The utility model relates to a kind of low temperature-rise disconnecting switch, and the accommodation end supported by contact provides stable mounting position for movable contact, so that movable contact can be firmly fixed in shell, ensure the position accuracy of movable contact in working process, reduce the problem such as poor contact caused by movable contact shaking, movable contact uses integrally-formed main part, two ends respectively extend outward to form contact arm, simple and compact structure, reduce the number of parts, reduce manufacturing and assembly cost, also improve the overall strength and reliability of movable contact, wiring board is integrated straight contact plate, simple structure, large contact area, can provide good conductivity, reduce contact resistance, reduce temperature rise, and contact arm is provided with cylindrical contact point at one end close to wiring board, can increase the contact pressure between contact arm and wiring board, make contact more closely, to effectively reduce contact resistance.

The utility model provides hand automatic switching device of isolator electric operating mechanism belongs to isolator technical field to solve the problem that the existing outside dust, rainwater etc. can cause certain erosion to the hinge point of the contactor, lead to the problem that the contactor is not enough fluent when opening and closing, including isolation base, switching drive box, isolation drive shaft, insulating support column, isolation contactor, lubrication storage box, switching drive mechanism and automatic lubricating mechanism, switching drive box slidingly connects in the left side of isolation base, isolation drive shaft rotationally connects in the inside of isolation base, insulating support column is fixedly connected respectively in the top of isolation base, isolation contactor is hinged respectively in the top of insulating support column, lubrication storage box is fixedly connected respectively in the rear top end of insulating support column, switching drive mechanism sets up in the inside of switching drive box, automatic lubricating mechanism sets up respectively in the front of lubrication storage box, promotes the operation reliability and the service life of isolator.

The application discloses a kind of intelligent fixed outdoor isolator adjusting device, it is related to switch assembly technical field, including mounting plate, still including adjusting assembly, the mounting hole is opened in the front side of mounting plate, switch equipment is provided in the front side of mounting plate, operating shaft is rotatably installed in the front side of switch equipment;The adjusting assembly includes installation frame, shielding frame, shielding hole, shielding spring, link slot, elastic expansion plate and support hole, the installation frame is arranged in the back of mounting plate, the shielding frame is slidably installed in mounting plate front and back wall, shielding frame moves downward will make shielding hole align with mounting hole, shielding hole and mounting hole alignment make shielding frame remove the shielding of mounting hole, by operating shaft rotation linkage shielding frame moves downward, make shielding hole and mounting hole automatically align, only in the state of opening can expose mounting hole, from structure, forcibly ensure that only after opening can be installed adjusting, eliminate live installation risk.

The utility model discloses a simulation outdoor alternating current high -voltage disconnecting switch for teaching, including the chassis, the cover plate is connected with the other side of the hinge and overturns, the cover frame front side one side is fixedly connected with electronic screen, the workstation front side edge fixedly connected with PLC controller, and the workstation lower extreme fixedly connected with support base, the chassis upper end one side is inserted into the fixed bolt of penetration and is connected, electronic screen, servo motor and CJ6B electric mechanism and PLC controller electric connection. This simulation outdoor alternating current high -voltage disconnecting switch for teaching can carry out video display through electronic screen, and can compare with the simulation equipment of parallel distribution, and can be opened and closed display through first mechanical link, second mechanical link, connecting shaft and CJ6B electric mechanism, and can be rotated and adjusted through the placement seat and servo motor drive simulation equipment, can carry out all -round demonstration, can carry out detail demonstration through electronic screen, and the effect is better.

The invention discloses a transmission device of an electric control mechanism for an isolating switch, the transmission device comprises an isolating base, a transmission assembly and a locking assembly, when the transmission device is connected, a lifting moving block moves downwards, and a driving connecting rod and an insulating connecting rod drive a switch blade to rotate downwards to a horizontal state to realize circuit connection; in the process, the locking moving rod automatically moves towards the direction of the knife switch and completes limiting, and the knife switch is prevented from being turned upwards accidentally to be disconnected. During disconnection, the lifting moving block firstly moves downwards, the locking moving rod is driven by the moving sleeve to automatically release limiting, then the lifting moving block moves upwards, the knife switch is driven to rotate upwards to achieve disconnection, automatic locking during connection and automatic unlocking before disconnection are achieved through pure mechanical linkage, an electromagnetic lock or an electrical control element is not needed, electrical fault points are reduced, and the reliability of the device is improved. The reliability of long-term operation under severe working conditions is remarkably improved, accidental disconnection of the knife switch caused by vibration or misoperation is effectively prevented through mechanical limiting, and the stability of circuit connection and operation safety are guaranteed.

The application relates to the technical field of high-voltage isolating switch lubrication, in particular to a safe and reliable high-voltage isolating switch live lubricating device which comprises a lubricating switch structure, a supporting column and a supporting insulating frame, the upper end of the supporting column is fixedly connected with the supporting insulating frame, the upper end of the supporting insulating frame is limitingly installed with the lubricating switch structure, the lubricating switch structure comprises a lubricating part and a switch part, and the rear end of the lubricating part is connected with the switch part in a butt joint mode. Oil liquid reaches the communicating seat through the oil storage seat, is transmitted under the pressurization of the oil pump, can be conducted through the guide treatment pipe, is transmitted to the flow-through pipe, then is butt jointed with the bearing seat, then can be circulated through the butt joint pipe, reaches the matched connecting pipe position, can reach the oil storage seat, meanwhile the communicating seat can guide the oil liquid into the oil liquid through the middle guide pipe, conducts the oil liquid to the matched installation pipe and the connected pipe, and acts on the bearing seat at the center position to lubricate the switch part.

The application relates to the technical field of low-voltage electrical apparatus, in particular to a magnetic flux tripping device, a disconnecting switch and a power supply system, which comprise a support, an electromagnetic coil and a top rod; the electromagnetic coil is installed on the support, and the top rod is slidably arranged in the electromagnetic coil; at least two moving iron cores are arranged on the top rod in the electromagnetic coil and are axially spaced; when the electromagnetic coil is electrified, at least one moving iron core moves along the top rod in the axial direction and drives the top rod to move. According to the embodiment of the application, at least two moving iron cores are arranged in the magnetic flux tripping device, which is beneficial to realizing differentiated responses for different faults.

The present disclosure provides an isolating switch body, an isolating switch, and a power distribution system, and relates to the technical field of low-voltage electric appliances. The isolating switch body includes body modules, where each body module includes a plurality of layers of switch units which are stacked, the plurality of layers of switch units are connected through respective body rotating shafts, and a plurality of groups of body modules are spliced to form the isolating switch body; the body rotating shafts of the switch units are linked with an operating mechanism through a transmission mechanism in a first direction perpendicular to a stacking direction. The handle shaft is rotated to drive the operating mechanism to act, and then the body modules are driven through the transmission mechanism to achieve synchronous opening and closing. When the isolating switch body is applied to the isolating switch, the above body modules can be disposed in the first direction and the stacking direction separately, the two-way layout method can effectively reduce the length of the isolating switch in the first direction, and then the synchronization among the plurality of layers of switch units is ensured.

The application discloses an operating device of an isolating switch, which comprises a driving shaft, a driving piece, a switching seat, and an energy storage spring arranged in a spring mounting groove and abutting against two sides of a first abutting portion and two sides of a second abutting portion at two ends of the energy storage spring; two groups of locking assemblies are distributed beside the switching seat, one locking assembly corresponds to one locking groove and one unlocking portion, and the locking assembly and the corresponding locking groove have an unlocking state and a locking state; when one group of the locking assemblies is in the locking state, the other group of the locking assemblies is in the unlocking state; with the rotation of the driving shaft, the energy storage spring is deformed under the action of the first abutting portion; after the unlocking portion triggers the locking assembly originally in the locking state to change into the unlocking state, the switching seat is rapidly rotated to the next position under the action of the energy storage spring, and the locking assembly originally in the unlocking state changes into the locking state; and the application has the characteristics of better reliability.

This invention relates to the field of circuit breaker technology, specifically to an integrated pole-mounted vacuum circuit breaker, comprising a mechanism box and three insulating poles. A vacuum interrupter is coaxially arranged within each insulating pole, with a stationary contact and a moving contact respectively located at the upper and lower ends of the vacuum interrupter. The upper end of the stationary contact extends to the upper side of the insulating pole. The three insulating poles are fixedly connected to the upper end of the mechanism box by bolts. This invention integrates the vacuum interrupter, the isolation break assembly, and the current transformer coaxially within the same insulating pole, eliminating the need for mounting brackets and lateral arrangement space required for external disconnect switches in traditional structures. This results in a more compact overall structure, reducing the space occupied by the pole crossarm. Simultaneously, the center of gravity of the entire unit remains on the vertical central axis of the mechanism box, preventing offset torque and significantly reducing the long-term load on the crossarm and pole, thus improving the structural stability after installation and operation.

The application discloses an intelligent remote control device for a 10kV pole-mounted electric disconnecting switch and relates to the technical field of power equipment application of distribution network systems.The 10kV pole-mounted electric disconnecting switch comprises a disconnecting switch body and an electric control box based on the structural design of the disconnecting switch body.An intelligent remote control device is arranged for the electric control box and integrated in the box body.The intelligent remote control device comprises a power supply circuit, a main control chip and a peripheral circuit, a fault signal output port, an operation button, a state indicating lamp, a disconnecting switch state detection port, a motor driving and protection circuit, an electromagnetic clutch control circuit, a radio frequency remote control circuit and a Bluetooth remote control circuit.The opening and closing operations of the disconnecting switch are realized by the radio frequency remote control or the Bluetooth remote control mode, the electric opening and closing and the state monitoring functions of the disconnecting switch under the pole are realized, the reliable operation and stable running of the disconnecting switch are ensured, the pole remote control operation can be realized, and the pole remote control operation can be combined with other control systems.

This utility model discloses an isolating grounding switch for a 220kV combined electrical appliance, comprising a mechanism box fixedly installed on the top of the isolating grounding switch body, a box cover on the top of the mechanism box, and a fixing frame fixedly connected to the right side of the mechanism box. This utility model, through the arrangement of the fixing frame, the placement box, and the fixing cover, can hold a silica gel desiccant packet. During long-term operation of the isolating grounding switch body, the silica gel desiccant packet can absorb moisture in the internal environment of the mechanism box, thereby improving the dryness of the internal environment and ensuring the long-term stable operation of the electrical components inside the mechanism box. Simultaneously, the design of the elastic plate, the locking block, the fixing plate, and the insertion hole facilitates the removal of the fixing cover and the placement box from the side of the fixing frame, thus facilitating the periodic replacement of the silica gel desiccant packet inside the placement box.

This invention discloses an operating mechanism for a direct-acting three-position switch, which solves the problem of incompatibility between traditional operating mechanisms and the chain push-pull transmission structure of three-position switches. It can directly match the chain push-pull transmission structure of three-position switches, reducing the complexity of the operating mechanism. This operating mechanism adopts a dual-operating shaft structure and uses a multi-position cooperation of a stop lever and coupling to achieve interlocking of the three-position status. By placing the indicator on a limit block with high structural strength and shared with the position limit switch, the size of the mechanism is reduced, and the risk of indication distortion due to excessive force is reduced. The strength of the operating mechanism is enhanced by a gripper pin structure, which can cope with high-intensity excessive force operation. The added flip plate assembly realizes the switching between manual and electric operation.

The present application relates to the technical fields of high-voltage electrical equipment, and particularly relates to a load switch-fuse combined electrical appliance. The load switch-fuse combined electrical appliance comprises: a fixing frame; a load switch; a spring operating mechanism for controlling the opening and closing operations of the load switch, comprising an energy storage motor for driving the closing spring to store energy; a fuse; a mechanical tripping mechanism arranged between the fuse and the load switch, which drives the spring operating mechanism to operate when the fuse is ejected by the ejector pin; the combined electrical appliance further comprises: a control switch for controlling the disconnection of the power supply line where the energy storage motor is located; a trigger arranged opposite to the control switch; one of the control switch and the trigger is installed on the mechanical tripping mechanism, and the other is installed on the fixing frame, which drives the trigger to act relative to the control switch when the mechanical tripping mechanism controls the load switch to open, so as to trigger the control switch and disconnect the power supply line where the energy storage motor is located.

The invention relates to a switching device for a train, arranged in the current path between a battery module of the train itself and an on-board power supply of the train, comprising a power input (15) on the battery module side, a power output (16) on the on-board power supply side, a fuse holder (13) accommodating a fuse protecting the power output (16), and a switching contact (23) arranged between the power input (15) and the power output (16), and further comprising an operating element (19) for actuating the switching contact (23), a locking element (32) interacting with the operating element (19), a first safety element (17) having two possible end positions, and a second safety element (18) having two possible end positions, wherein the first safety element (17) is configured to lock the locking element (32) in a position in which it cannot be moved to release the operating element (19) when the switching contact (23) is closed, and wherein the second safety element (18) is configured to move the locking element (32) to a position in which it locks the operating element (19) when the switching contact (23) is open.

The application relates to the technical field of electrical equipment, and particularly discloses an isolating switch which comprises an isolating switch body and an electric operating mechanism, wherein the isolating switch body comprises a support and a first rotating shaft for driving the isolating switch body to open and close; the electric operating mechanism comprises a shell and an electric driving module; the shell is installed on one side of the support; the electric driving module is installed in the shell; the electric driving module comprises a driving piece and a transmission shaft; the first end of the transmission shaft is connected with the output end of the driving piece; the second end of the transmission shaft is rotatably and sealingly arranged in the shell and detachably connected with the corresponding first rotating shaft; and the driving piece drives the first rotating shaft to rotate by driving the transmission shaft to rotate. The isolating switch uses the integrated electric operating mechanism, can be remotely controlled, is convenient to disassemble and assemble, and can be used outdoors.

The application discloses an environmental protection gas quick grounding switch with arc blowing structure and GIS equipment, belongs to the technical field of high-voltage switch, and solves the problem of insufficient arc extinguishing capacity of the SF6 direct-acting plug-in quick grounding switch commonly used at present when environmental protection gas is used as an insulating medium. The quick grounding switch comprises a crank arm box shell, a three-phase guiding contact seat assembly, three-phase moving conductive rods and driving components. The conductive rods and the moving contact are of a hollow structure, are provided with a group of exhaust holes, are communicated with the air cavity in the conductive contact seat, and the moving contact is provided with a certain speed airflow for blowing arc during the opening and closing movement. The end of the conductive rod assembly is connected with a rotating shaft to form a crank slider structure, and the three-phase contact is driven to move synchronously by the driving mechanism. The application has the ability of cutting off induced current, provides arc blowing airflow through the movement process, has small overall volume, simple transmission and is easy to adapt to GIS equipment.

The utility model provides a kind of contact device and switch, contact device includes conducting plate, and at least one group of contact component is arranged on the conducting plate, the contact component includes: first L-shaped contact, with the first horizontal plate part and the first vertical plate part of bending connection;Second L-shaped contact is oppositely arranged with the first L-shaped contact, it has the second horizontal plate part and the second vertical plate part of bending connection, and the second horizontal plate part is fixed above the first horizontal plate part. Through two reverse L-shaped contacts of stacking, the number of contacts is multiplied under the same conducting plate length, not only increase the carrying capacity, and reduce contact resistance, in addition, compared with prior art, can guarantee switch miniaturization.

The present application relates to the technical field of explosion-proof electrical appliances, in particular to a sealed electrode and its application. The sealed electrode comprises a sealed cavity, an electrode contact 1 and an electrode contact 2, the electrode contact 1 and the electrode contact 2 are located in the sealed cavity, and the electrode contact 1 and the electrode contact 2 are relatively moved in the sealed cavity to form a closed circuit or an open circuit. The beneficial effect is that the electric spark generated when the electrode contacts are connected or disconnected in the electrical device is isolated, and the explosion-proof effect is achieved. The second beneficial effect of the present application is that the arc of the electrode is extinguished in the sealed cavity. The third beneficial effect of the present application is that the oil injection in the flexible sealed cavity forms an oil-immersed sealed electrode for high-voltage power switches.