1314results about "Contact operating parts" patented technology

The invention relates to the technical field of power equipment, in particular to an intelligent circuit breaker electric operation mechanism integrating multi-parameter detection and an intelligent monitoring system.The intelligent circuit breaker electric operation mechanism comprises a basic mechanism unit, a detection unit, an intelligent control unit and a communication unit, and the basic mechanism unit comprises a double-layer sliding block compensation system and a transmission mechanism; the double-layer sliding block compensation system is composed of a first sliding block, a second sliding block and a spring set, and a thin film pressure sensor is integrated on the bottom face of the second sliding block. According to the intelligent circuit breaker electric operation mechanism integrated with multi-parameter detection and the intelligent monitoring system, the health state and fault assessment system achieves fault assessment through data receiving, feature fusion, health modeling and fuzzy reasoning, and the intelligent monitoring system comprises a remote monitoring platform. And data display, fault early warning, remote control and reference model optimization are supported, intelligent control and multi-dimensional state monitoring of the circuit breaker are realized, and the fault diagnosis accuracy and the reliability of a power system are improved.

The invention provides an automatic gear shifting device and method for a transformer tap switch. The gear shifting device comprises a rack and a lifting mechanism arranged in the middle of the rack, a rotating mechanism is arranged at the lifting end of the lifting mechanism, and a mechanical arm used for clamping the tap switch is arranged at the rotating end of the rotating mechanism; the side edge of the rack is also provided with a visual acquisition and analysis module which is used for acquiring gear image information of the tap switch, analyzing gear shifting execution information and transmitting the gear shifting execution information to the rotating mechanism; the rotating mechanism rotates the tap switch to a corresponding gear based on the gear shifting execution information; the operation risk of personnel can be reduced, the gear shifting efficiency is improved, and the power failure duration of the distribution transformer is effectively shortened.

A single-breakpoint mechanism convenient to install and micro-move and a measuring switch are disclosed, the single-breakpoint mechanism comprises a first shell and a second shell which are matched with each other, an installation space is formed between the first shell and the second shell, the outer surface of the first shell or the second shell is provided with an installation groove, and one side of the installation groove is provided with a notch communicated with the installation space; the breaking unit is arranged in the mounting space and comprises a moving contact assembly rotatably arranged in the mounting space and a static contact matched with the moving contact assembly, one end of the moving contact assembly is provided with a trigger piece, a microswitch is arranged in the mounting groove, and the other end of the moving contact assembly is provided with a switch. And a driving rod of the microswitch partially or completely enters the mounting space through the notch and is positioned on a moving path of the triggering piece. By optimizing the installation position and the contact gap, the microswitch is accurately positioned, it is ensured that the microswitch can achieve accurate and sensitive signal triggering under the action of the moving contact assembly, and the problem that triggering is unstable in a traditional design is solved.

The invention discloses an isolating switch operating mechanism with a quick tripping function and an operating method thereof, and relates to the technical field of isolating switches. The isolating switch operating mechanism with the quick tripping function comprises a shell, a connecting rod mechanism and a handle shaft assembly, and the handle shaft assembly is configured to transmit rotating force of an operating handle to the connecting rod mechanism. According to the disconnecting switch operating mechanism with the quick tripping function and the operating method thereof, the rotating force of the operating handle is transmitted to the connecting rod mechanism by arranging the handle shaft assembly, so that the connecting rod mechanism drives the switch body to be switched off or switched on, and the requirement of a rotating operation mode of the disconnecting switch can be met; and the lock catch of the connecting rod mechanism is buckled with the jump pin.

The present invention relates to the technical field of disconnectors, and discloses an electric operating device for a high-voltage disconnector, comprising a switch assembly, a support seat, a rotating rod rotatably connected in the support seat, a drive sleeve fixed at the end of the rotating rod, and a drive plate fixed on the surface of the drive sleeve; an operating assembly, arranged on one side of the drive plate, comprising a separation and combination member, a support shell arranged on one side of the drive plate, and a screw rod rotatably connected in the support shell. The beneficial effects of the present invention are as follows: 1. The first spring is compressed or stretched by the screw rod, and the drive plate is driven to move quickly by the spring reset elastic force, so as to realize the rapid separation and closing of the knife switch, reduce the generation of arc, reduce the wear of the contacts, and extend the service life of the equipment; 2. An emergency disconnect mechanism composed of a reset member and an electromagnet is provided. When a circuit fails, the electromagnet drives the limit release, and the tension of the seventh spring prompts the reset block to push the moving seat, quickly opening the knife switch, avoiding the expansion of the fault, and ensuring the safety of the power system.

An outer shell comprises an upper shell body and a lower shell body, a control switch is fixedly installed in the outer shell body, the control switch is provided with a terminal and a button, the lower shell body is provided with an assembling base, the assembling base is movably provided with a pressing piece, the pressing piece is elastically connected with the bottom of the assembling base through a spring, and the pressing piece is connected with the upper shell body and the lower shell body. The pressing piece is provided with a protruding part which is provided with an inclined face, and the outer shell is movably provided with a pressing handle. During use, the pressing handle is pressed, the handle part is swung and pressed downwards, the middle part of the handle part acts on the pressing piece, the pressing piece presses the button of the control switch under the guide action of the inclined plane of the convex part downwards, so that the state of the control switch is changed, and when the pressing handle is loosened, the spring quickly pops up the pressing piece, so that the convex part is far away from the button, and the button is reset. Through cooperation of the pressing handle, the pressing piece and the spring, the control state of the control switch is controlled, and the control stability is improved.

A dual power switching system selects a first power source or a second power source to supply power to a load coupled to an inductive device. The dual power switching system includes a first thyristor, a second thyristor, a third thyristor, a fourth thyristor, and a controller. The controller calculates a total magnetic flux according to a current magnetic flux of the inductive device and an expected magnetic flux of the second power source. When the power-supplying source is switched, the controller turns off the first thyristor and the second thyristor, and determines whether a commutable time is reached according to a power parameter of the first static transfer switch and the second static transfer switch. When the commutable time is reached, the controller correspondingly turns on at least one of the third thyristor and the fourth thyristor according to the total magnetic flux being less than a threshold.

The invention relates to a two-station operating mechanism for a PT (potential transformer) of a C-GIS (gas insulated switchgear), which comprises an operating mechanism box, a centering assembly is mounted in the operating mechanism box, the centering assembly comprises a quick-return crank arm, two sides of the quick-return crank arm are respectively connected with a reset spring guide rod, the other side of each reset spring guide rod extends out of the operating mechanism box, and the other side of each reset spring guide rod extends out of the operating mechanism box. The outer wall of the reset spring guide rod is further sleeved with a reset spring. The operating assembly comprises an operating handle, a mechanical operating transmission shaft and a sealing shaft, the sealing shaft penetrates through the operating mechanism box and then is connected with a bevel gear, the quick-return crank arm is sleeved on the sealing shaft, one side of the mechanical operating transmission shaft is connected with the sealing shaft, the other side of the mechanical operating transmission shaft is connected with the operating handle, and the operating handle drives the sealing shaft to rotate. And the position of the sealing shaft is kept through the cooperation of the centering assembly. According to the operating mechanism, the mechanical operating transmission shaft, the sealing shaft and the bevel gear are driven to rotate by rotating the operating handle, then the PT cabinet transmission mechanism is driven to rotate, and the operating mechanism is simple in structure, low in cost, small in occupied space, easy to operate, safe and reliable.

The utility model belongs to the technical field of green hydrogen production, and particularly relates to waste liquid treatment equipment. The utility model relates to automatic equipment for treating waste alkali liquor activated by a nickel screen of an electrolytic bath. The automatic equipment comprises a waste acid liquor impurity filtering tank; a waste alkali liquid impurity filtering tank; the acid-base neutralization reaction tank is respectively communicated with output pipelines of the waste acid liquid impurity filtering tank and the waste alkali liquid impurity filtering tank; a stirrer is arranged in the acid-base neutralization reaction tank; the first-stage coarse filtering tank I and the first-stage coarse filtering tank II are respectively communicated with an output pipeline of the acid-base neutralization reaction tank; the second-stage fine filtering tank is respectively communicated with output pipelines of the first-stage coarse filtering tank I and the first-stage coarse filtering tank II; the filtrate storage tank is communicated with an output pipeline of the secondary fine filtering tank; and the control panel is used for conveying the output pipelines and controlling the stirrer. The device can realize automatic treatment of the activated waste alkali liquor, is convenient for batch treatment of the activated waste alkali liquor in the electrolytic bath, and reduces the treatment cost of the activated waste alkali liquor, thereby improving the economical efficiency and practicability of hydrogen.

The utility model discloses a multifunctional encoder knob key, which comprises a base, an upper cover arranged on the base, and a shaft core arranged between the base and the upper cover and penetrating out of the upper cover, the metal dome is arranged on the base and located below the shaft core, the knob abutting piece is arranged at the lower end of the shaft core, the shaft code disc assembly is annularly arranged on the outer side of the metal dome and abuts against the knob abutting piece to achieve electric connection, and the lower end of the shaft code disc assembly penetrates out of the base and then abuts against an external circuit board to achieve electric connection. The metal dome deforms downwards to abut against the shaft code disc assembly to achieve electric connection when the shaft core is pressed downwards. The rotary knob and the pressing knob can generate coding signals and can be used without identifying the key structure, the two modes are provided for users to select, the practicability of the key is improved, the key is compact in structure, thin in whole and small in occupied space, stable conduction with a circuit board is guaranteed, good hand feeling is achieved, and the key is suitable for popularization and application. And the use experience of the user is improved.

The invention discloses a high-voltage isolating switch operating mechanism which comprises a bottom plate for installing parts, an operating motor and a gear are arranged on the bottom plate, the operating motor drives the gear to rotate, a closing pawl and an opening pawl are arranged on one side face of the gear, and the closing pawl and the opening pawl are arranged on the other side face of the gear. The outer side of the gear is provided with a switching-on position tip and a switching-off position tip which are respectively corresponding to the switching-on pawl and the switching-off pawl. The gear is sleeved on the main shaft, a driving wheel is coaxially fixed on the main shaft, and a driving wheel closing convex edge and a driving wheel opening convex edge which respectively correspond to the closing pawl and the opening pawl are arranged on the driving wheel and are positioned between the closing pawl and the opening pawl. A two-way clutch and a motor controller are omitted, and the purposes of being simple in structure, low in cost, stable in performance and easy to operate are achieved.

Multi-pole or multi-phase electrical wiring devices that incorporate clamp-type wire termination assemblies are described. The electrical wiring devices include multi-pole motor switches. The electrical wiring devices include a plurality of wire termination assemblies. Each wire termination assembly includes a wire terminal and an activating member.

A switch device includes at least one switch module and at least one welding protective plate. The switch module includes an enclosure for receiving a plurality of control terminals and a driving member therein. The control terminals respectively have an end projected from an end or a rear side of the enclosure. The driving member is controllable to change an electrically connected or disconnected state between the control terminals. The welding protective plate is provided on the enclosure at the end from where the control terminals are projected. The projected control terminals further extend through the welding protective plate to be welded to a circuit board. The welding protective plate can withstand a high temperature and is located between the switch module and the circuit board to form a thermal insulation and protection mechanism, protecting the switch module from external deformation and inner damage by the high temperature during welding.

The invention belongs to the technical field of transformer gear adjusting, and particularly relates to an excitation-free pole-mounted transformer gear adjusting device which comprises a supporting assembly, an execution assembly and a positioning camera, the supporting assembly comprises a base and a supporting rod arranged on the base, and a supporting arm is arranged at the top of the supporting rod; the execution assembly is arranged below the supporting arm and used for adjusting the gear of the transformer, the positioning camera is arranged on the supporting arm and used for calibrating the position of the execution assembly, the supporting rod is a multi-stage telescopic rod, a connecting block is arranged at the top end of the supporting rod, and one end of the supporting arm is fixed to the connecting block. According to the gear adjusting device, screwing-out and resetting of the protective screw cap are achieved through cooperation of the linear sliding rail and the electric rotary clamping jaw, manual climbing operation is not needed, the high-altitude falling risk and the hidden danger of electric shock existing in climbing operation are effectively avoided, and the working efficiency of gear adjusting is improved.

Embodiments of this application provide a power-off apparatus and a power system. The power-off apparatus includes an open / close conductive strip, an interrupt piston, and an electric igniter. The open / close conductive strip includes a movable contact and a fixed contact, the movable contact is electrically in contact with the fixed contact, and at least a part of the movable contact is capable of moving relative to the fixed contact to be separated from the fixed contact. The electric igniter includes a first contact pin and a second contact pin, the first contact pin is electrically connected to the movable contact, and the second contact pin is electrically connected to the fixed contact. The interrupt piston is configured to cut off the fixed contact under driving of explosive pressure generated when the electric igniter explodes. When a current of the open / close conductive strip is greater than or equal to a first current threshold, electric power generated between the movable contact and the fixed contact is used to repel the movable contact from the fixed contact, so that an arc voltage is generated between the movable contact and the fixed contact. The arc voltage is used to drive the electric igniter to detonate, so that the power-off apparatus cuts off the open / close conductive strip through self-driving without a power supply.

This invention discloses a wind-cooled multi-channel solid-state circuit breaker cabinet, comprising a cabinet body and a wind-cooling heat dissipation system. The cabinet interior is divided layer by layer from front to back by longitudinal beams into an isolation zone, a first component mounting zone, a heat dissipation zone, and a second component mounting zone. The wind-cooling heat dissipation system includes air inlets at the bottom of the front and rear doors and air outlets at the top, as well as a heat dissipation structure located within the heat dissipation zone. The heat dissipation structure includes a radiator duct and optional fan assemblies, which can be flexibly configured according to power switching components with different thermal powers to achieve precise and efficient heat dissipation. Each electrical channel has an independent control panel corresponding to the front door, integrating a display screen, indicator lights, and buttons, supporting independent on / off control of multiple circuits. This invention, through reasonable functional zoning and air duct design, solves the problems of low heat dissipation efficiency and poor multi-circuit adaptability in existing technologies, and has the advantages of high heat dissipation efficiency, reasonable layout, convenient operation and maintenance, and good protection.

A remote control device may control electrical loads and / or load control devices of a load control system without accessing electrical wiring. The remote control device may be configured to be mounted over an installed mechanical switch having a paddle actuator and may include a base and a control unit that is configured to be removably attached to the base. The base may include a frame, a clamp arm, a screw, and / or a sleeve. The clamp arm may be configured to secure the base to a protruding portion of the paddle actuator. The clamp arm may be attached to the frame at a pivot joint. The clamp arm may be configured to pivot about the pivot joint. The pivot joint may be located proximate to an endpoint or a midpoint of the frame.

The present invention discloses a tower crane travel switch, comprising: a frame, wherein the frame is composed of an outer shell, an upper cover, an extension seat, a base and a connecting plate, the upper cover is arranged above the base, the upper cover is provided with a limit plate and a buckle plate, the outer shell is arranged on the outside of the upper cover, the outer shell is provided with a buckle edge, the extension seat is arranged below the base, the extension seat is provided with a fixed connecting block, a front axle hole and a rear axle hole, the connecting plate is arranged in front of the extension seat, the connecting plate is provided with an axle matching hole and a positioning hole, the base is provided with a bottom plate, a wire guide column sleeve, an axle matching hole, an installation matching hole and an auxiliary part; the present invention provides a tower crane travel switch, the device has a simple structure, is easy to disassemble and install, and solves the problems of short overall product life and small size through the combination of multiple precision components, while achieving the effects of strong stability and high practicality.

The invention discloses a voltage transformer on-off control device and a working method thereof. The voltage transformer on-off control device comprises an insulating shell, a static contact assembly, a moving contact assembly and a positioning connecting rod mechanism, one end of the static contact assembly is arranged in one end of the insulating shell in a penetrating mode, and the other end of the static contact assembly is used for being electrically connected with a pole-mounted circuit breaker; one end of the moving contact assembly is movably arranged in the insulating shell, one end of the moving contact assembly is in on-off connection with one end of the static contact assembly, the other end of the moving contact assembly is arranged at the other end of the insulating shell in a penetrating manner, and the other end of the moving contact assembly is used for being electrically connected with an electronic transformer and connected with external insulating operation equipment; and the positioning connecting rod mechanism is movably arranged in the insulating shell, is connected with the moving contact assembly, and is used for driving the moving contact assembly and the static contact assembly to be connected and disconnected and positioned. The working method is based on the voltage transformer on-off control device.

This invention relates to the field of power work equipment technology, specifically a combined multi-functional live-line working insulated operating rod and its operating method. The operating rod includes a handle, a control rod fixedly connected to the top of the handle, an extension rod movably connected to the top of the control rod, and a tool connecting mechanism fixedly connected to the top of the outer wall of the extension rod. The control rod includes a control rod housing, a rotating rod rotatably connected to the inner wall of the control rod housing, and one end of the rotating rod extending to the outer wall of the control rod housing and fixedly connected to a handle. This invention, by incorporating a control rod, an extension rod, a tool connecting mechanism, and a small monitoring camera, achieves adjustable operating rod length through the cooperation of the control rod and the extension rod, meeting the needs of different working heights. Simultaneously, the design of the tool connecting mechanism makes tool replacement simple and quick, improving work efficiency, while the small monitoring camera enhances work safety.

The utility model discloses a switch assembly and a mower, and the switch assembly comprises a contact switch, a first operation part which can be vertically and movably disposed on an operation handle, a second operation part which can be rotatably disposed on the operation handle, and a trigger part which is movably disposed on the first operation part. The trigger piece can be driven by the first operating piece to move from the first working position to the second working position, the trigger piece can be driven by the second operating piece to move from the second working position to the third working position, and when the trigger piece moves to the third working position, the trigger piece is suitable for closing and conducting the contact switch. When the touch switch is closed and conducted, the first operation piece needs to be operated firstly and then the second operation piece needs to be operated, the operation modes of the first operation piece and the second operation piece are different, and mistaken touch caused by confusion of the first operation piece and the second operation piece is not likely to happen.

The application relates to the technical field of ring network boxes, and discloses a one-two fusion convenient maintenance ring network box, which comprises a box body and a plurality of electrical elements arranged in the box body, the box body comprises a top plate, side plates and a bottom plate, a plurality of heat dissipation holes for heat dissipation are formed in the side plates, a switching-on and switching-off knife is arranged on the electrical elements, a connecting groove is formed in the switching-on and switching-off knife, a magnetic block is arranged on the groove wall of the connecting groove, a driving rod is further connected to the switching-on and switching-off knife, a plurality of trigger rods are arranged on the driving rod, an adsorption block which is magnetically opposite to the magnetic block is arranged at the end of the trigger rod away from the driving rod, and the adsorption block extends into the connecting groove. The one-two fusion convenient maintenance ring network box realizes the synchronous switching-on and switching-off of a plurality of switching-on and switching-off knives through single operation of the driving rod and the trigger rod, and the condensate water on the inner walls of the side plates is scraped off through the dehumidification mechanism, so that the maintenance efficiency of the ring network box is improved, and the safe work of the electrical elements in the ring network box is ensured.

The invention discloses a tripper, a direct-current switch control method of a power converter and an application device of the tripper, and relates to the technical field of power electronics. The release is provided with two execution mechanisms which respectively receive corresponding signals, so that the state of the release is controlled by the two execution mechanisms at the same time; when an application device of the release enters a power-off state from a non-running state, the state of the release is a pull-in state, at the moment, a switch body connected with the release can be freely opened and closed, and tedious operation after a fault is eliminated when an under-voltage release is adopted is avoided; when the application equipment enters the power-off state from the operation state, the state of the release is a release state, and at the moment, the switch body connected with the release is disconnected and cannot be switched on, so that the risk of fault expansion caused by manual switching on when the fault is not eliminated by adopting the shunt release is avoided; and furthermore, targeted tripping actions can be carried out under different power loss conditions, and the requirements under different conditions are considered.

The present invention relates to a bistable travel switch device, comprising: a travel switch and a pair of switch blades. The travel switch is installed on the inner wall of the hoistway, and the two switch blades are respectively installed on both sides of one end of the car close to the inner wall of the hoistway where the travel switch is located. The travel switch includes a hollow housing and a connecting rod assembly rotatably connected to the housing at one end, and a roller is provided at the other end of the connecting rod assembly. Two static contacts are fixedly arranged in the housing, a driving block is fixedly connected to the part of the connecting rod assembly located in the housing, and two moving contacts are respectively connected to both ends of the driving block. A holding device is also arranged in the housing for restricting the rotation of the connecting rod assembly and keeping the connecting rod assembly at two preset positions. When the connecting rod assembly is at one of the preset positions, one group of moving contacts is connected to the static contacts through the movement of the driving block. When the connecting rod assembly is at the other preset position, the other group of moving contacts is connected to the static contacts through the movement of the driving block.

The utility model discloses a button structure and a hand-held appliance having the same. The button structure comprises a supporting member, a sliding member, a first button and a control assembly. The sliding piece is fixed to the supporting piece in a front-back moving mode. The first key capable of moving up and down can drive the sliding piece to move; the control assembly comprises a first adjusting switch and a power switch, the first key can be driven to touch a button of the first adjusting switch, and a driving lever of the power switch is connected with the sliding part; the sliding piece can move between a first position and a second position; according to the utility model, the sliding part capable of moving back and forth is connected with the driving lever of the power switch, the first key capable of moving up and down can drive the sliding part to move, and then the first key drives the sliding part to move, so that after the power switch is in an on state, the first key can press down a button of the first adjusting switch; after an operator triggers the power switch with fingers, the adjusting switch can be triggered without moving to other positions, and the use is convenient.

An emergency stop button assembly and a charging pile are disclosed according to the present application. The emergency stop button assembly includes a mounting base, an emergency stop button and a fastener. The mounting base includes a first end and a second end oppositely arranged, the first end is provided with an accommodating groove, and the second end is configured to pass through a mounting hole of a mounting plate. The emergency stop button is mounted in the accommodating groove, and the fastener is detachably mounted on the second end of the mounting base, to clamp the mounting plate with the mounting base when being mounted on the second end of the mounting base. The emergency stop button assembly is convenient for disassembly and assembly.

The embodiment of the invention discloses an insulating rod and an insulating rod assembly. The insulating rod comprises an insulating rod body which is telescopically arranged; the side wall of the insulating rod body is detachably connected with a tool used by a worker during operation. A handle with an inner cavity is arranged at the bottom of the insulating rod body, and an anti-skid sleeve is arranged on the outer side wall of the handle; the insulating rod body comprises at least two sections of telescopic sub-rod bodies, and the sub-rod body close to the handle is embedded in an inner cavity of the handle and can move back and forth along the extension direction of the handle; a buffer block is arranged at the bottom of an inner cavity of the handle.

The utility model provides a safety stroke control box capable of preventing a stroke switch from being damaged, which comprises a control box base, two sets of control assemblies, namely a first control assembly and a second control assembly, are symmetrically arranged on the control box base front and back, and a first spring pressing sheet and a second spring pressing sheet are arranged between the two sets of control assemblies. A lead screw of a speed reducer is inserted between the first spring pressing sheet and the second spring pressing sheet; the lead screw is provided with a left rotating assembly and a right rotating assembly which are the same in structure and comprise the first rotating assembly on the left side and the second rotating assembly on the right side, the first rotating assembly and the second rotating assembly are used for controlling the two stroke positions respectively, the first rotating assembly is matched with the first control assembly, and the second rotating assembly and the second control assembly are matched. According to the utility model, when a greenhouse and animal husbandry speed reducer has the phenomena of wrong wiring sequence during installation and debugging, vehicle sliding or failure of a working switch and the like, the travel switch can be prevented from being damaged, and high accuracy and high reliability of triggering the safety travel switch are ensured.