1521results about "Contact operating parts" patented technology

A lighting keyboard is provided with at least one keyswitch, a support plate and a backlight module. The keyswitch has a keycap and a switch under the keycap. The support plate connects beneath the keycap by a support mechanism. The backlight module has a lighting board configured underneath the support plate and corresponding to the keycap. The lighting board includes a board, a first reflective layer and a circuit layer. The circuit layer is disposed on the board and includes a concave-convex structure and circuit traces. The circuit traces electrically connects with a light emitting unit. The first reflective layer covers the concave-convex structure to form microstructure regions.

A load control device for regulating an electrical load includes: a support component including a connection portion; a knob frame including a gripping portion and an elastic portion, the gripping portion at least partially surrounding the support component and configured to drive the knob frame to rotate in response to a rotational force acting thereon, the elastic portion configured to move toward the connecting portion in response to the knob frame moving in a first direction, thereby undergoing elastic deformation; a first circuit board component; a switch trigger component; a switch component coupled to the first circuit board component, for controlling the load in response to triggering and releasing the triggering from the switch trigger component; and an adjustment component coupled to the first circuit board component, for adjusting the load in response to the rotation of the knob frame. The load control device simultaneously realizes rotation and pressing functions of the knob frame. A system including the load control device is also disclosed.

A load control device for regulating an electrical load includes: a support component including a connection portion; a knob frame including a gripping portion and an elastic portion, the gripping portion at least partially surrounding the support component and configured to drive the knob frame to rotate in response to a rotational force acting thereon, the elastic portion configured to move toward the connecting portion in response to the knob frame moving in a first direction, thereby undergoing elastic deformation; a display assembly disposed on a side surface of the knob frame facing away from the support component; a circuit board component disposed adjacent the display assembly; a switch component disposed on the circuit board component, for controlling the load in response to triggering and releasing the triggering; a switch trigger component for applying the triggering and releasing the triggering to the switch trigger component; and an adjustment component for adjusting the load in response to the rotation of the knob frame. The load control device allows for a more flexible arrangements of the switch trigger component, and makes the structure more reliable. A system including the load control device is also disclosed.

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 present invention provides a two-in and two-out DC 1500V disconnect switch, comprising: two contact modules, arranged side by side with the operation module, and multiple modules are assembled by fasteners. The contact module includes a contact module body and a contact assembly arranged inside the contact module body; an operation module, provided with a manual operation mechanism and an electric operation mechanism for controlling the opening or closing of the contact module. In this way, modularization is achieved, the structure is simple, and the assembly is fast and convenient. Moreover, the operation module is provided with a manual operation mechanism and an electric operation mechanism for controlling the opening or closing of the contact module, that is, the opening or closing can be realized manually and electrically, which is beneficial to people's operation.

The present invention relates to an energy storage mechanism for a state-switching operation of an electrical control system. The energy storage mechanism comprises: a housing; an operation assembly, which comprises an energy storage element; an actuating member, which is connected to an electrical control system state-switching unit; a locking assembly; and an unlocking assembly. The energy storage element is connected to the operation assembly and the actuating member, and by means of changing the relative positions of the operation assembly and the actuating member, the energy storage element stores energy; the operation assembly can be connected to the actuating member by means of the locking assembly to be in a locked state; the operation assembly is then driven to move in an opposite direction, and drives the actuating member to move in the same direction, such that the actuating member drives the position state of the electrical control system state-switching unit to change; the unlocking assembly can release the locked state between the operation assembly and the actuating member after receiving a trigger signal; and the actuating member is driven by energy released from the energy storage element to move, such that the position state of the electrical control system state-switching unit is driven to change again. The present invention can complete free tripping and opening, and can realize free tripping.

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.

The invention relates to the technical field of switch technology, in particular to a residual current action photovoltaic protection switch, which comprises a shell, a fixed contact system, an operating mechanism I, an operating mechanism II, an arc extinguishing system and an electronic monitoring unit, and is characterized in that the fixed contact system, the operating mechanism I, the operating mechanism II, the arc extinguishing system and the electronic monitoring unit are arranged in the shell; a permanent magnet is arranged in the side wall of an arc extinguish chamber of the arc extinguish system, a second electromagnetic coil is arranged on the bottom wall of the arc extinguish chamber of the arc extinguish system, and a magnetic field generated by the permanent magnet is perpendicular to a magnetic field generated by the second electromagnetic coil. A magnetic field generated by the permanent magnet and a magnetic field generated by the second electromagnetic coil are overlapped, so that the arc is lengthened under the acting force of the magnetic field, an arc channel is arranged on the arc chute in a matched mode, a spiral groove is formed in the arc channel, the arc moves along the spiral groove, and the motion path of the arc is lengthened until the arc disappears.

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.

The invention discloses an ultrahigh-voltage circuit breaker operating mechanism, which relates to the technical field of circuit breakers and comprises a rigid connecting rod, a permanent magnet holding module, a holding block, a static opening coil, a static closing coil, a repulsive force disc and a dynamic power module, the retaining block and the repulsive force disc are fixedly arranged on the rigid connecting rod in a sleeving manner, the retaining block is arranged in a first moving channel between the permanent magnet retaining module and the static opening coil, the repulsive force disc is arranged in a second moving channel between the static opening coil and the static closing coil, and the dynamic power module is fixedly arranged outside the second moving channel in a sleeving manner; the permanent magnet holding module can provide upward suction force for the holding block; the static opening coil is electrified to provide downward repulsive force for the repulsive force disc; the static closing coil is electrified to provide upward repulsive force for the repulsive force disc; the dynamic power module is electrified to provide downward repulsive force or upward repulsive force for the repulsive force disc; the mechanism is compact in structure, quick and stable in opening and closing actions, excellent in reliability and long in service life, and meets the quick operation requirement of the ultrahigh-voltage circuit breaker.

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.

An electronic device, such as a watch, may include a crown and a button assembly alongside an external side surface the device. The button assembly may have a button portion that includes a cap, a base, an electrical component, and an intermediate structure overmolded between the cap and the base. The intermediate structure may encapsulate the electrical component. Due to this configuration, a cap can be effectively electrically isolated from the base at certain states or electrically coupled under different states dictated by the electrical component.

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.

Provided herein are examples of a remote control device that provides a retrofit solution for an existing switched control system. The remote control device may comprise a control circuit, a rotatable portion, a magnetic ring coupled to the rotatable portion, and first and second Hall-effect sensor circuits configured to generate respective first and second sensor control signals in response to magnetic fields generated by the magnetic elements. The control circuit may operate in a normal mode when the rotatable portion is being rotated, and in a reduced-power mode when the rotatable portion is not being rotated. The control circuit may disable the second Hall-effect sensor circuit in the reduced-power mode. The control circuit may detect movement of the rotatable portion in response to the first sensor control signal in the reduced-power mode and enable the second Hall-effect sensor circuit in response to detecting movement of the rotatable portion.

The invention relates to the field of low-voltage electric appliances, in particular to an operating mechanism and a switching device, the operating mechanism comprises an opening assisting structure, the opening assisting structure can apply opening assisting force to a rotating shaft of the operating mechanism before, when or after a main spring of the operating mechanism starts to release energy, and the opening assisting force enables the rotating shaft to rotate towards an opening position. Therefore, the operation mechanism and the switching device can be ensured to successfully carry out opening operation.

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.

To provide an operation device and a control method of the operation device configured to implement energy saving.SOLUTION: An operation device includes a control unit and accommodates a switch that makes a change of a state of a contact-point mechanism that contacts with or separates from a contact point and that makes a change of a state of a non-contact point mechanism that is detected or not detected. The control unit is connected by wire to a terminal of the contact-point mechanism, connected by wire to the non-contact point mechanism, controls electricity supplied to the non-contact point mechanism, switches on / off output based on determining a change in the state of the contact point mechanism and a change in the state of the non-contact point mechanism, switches to on-output when determining contact of a contact point of the contact-point mechanism or detection of the non-contact point mechanism during the off-output, then stops electricity supplied to the non-contact point mechanism, switches to off-output when determining separation of the contact point of the contact-point mechanism, and resumes supplying power to the non-contact point mechanism.SELECTED DRAWING: Figure 16

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.

The utility model discloses a timing swing arm switch, which comprises a shell, a display screen arranged at the front part of the shell, and a power supply module, a control module and an execution module which are arranged in the shell, the control module at least comprises a control panel which is in electric control connection with the display screen and the execution module, the control panel is provided with a timing module, and the timing module is connected with the display screen and the execution module. The execution module comprises a motor and a swing arm driven by the motor to rotate, one end of the swing arm is provided with a connecting piece, the connecting piece is fixed to a switch to be operated, the swing arm actuates the switch in the first direction, and the swing arm actuates the switch through the connecting piece in the second direction.

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.

Roller limiter with adjustable measuring range, characterized in that the roller limiter with adjustable measuring range comprises: a support element (1); a roller (2) rotatably mounted at one end of the support member (1); a closed reduction gear (4) meshingly connected to an axial end of the roller (2) via a closed drive gear (3); a limiting element (5) provided on the gear shaft at the end of the closed reduction gear (4), wherein a microswitch (6) is provided at an end of the limiting element (5) facing away from the closed reduction gear (4); wherein in the initial state the limiting element (5) has no contact with the microswitch (6), wherein when the roller (2) rotates the closed drive gear (3) and the closed reduction gear (4) are driven to rotate about their own axis so that the end of the limiting element (5) is brought into contact with the microswitch (6), thereby triggering the output of a control signal.

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.

The invention relates to the field of low-voltage electric appliances, in particular to an operating mechanism and a switching device comprising the operating mechanism. In the operating mechanism, an operating shaft 2 drives a spring to store energy first and then release energy through an energy storage shaft, a connecting rod used for being in transmission connection with a moving contact mechanism of the switching device is kept static before the spring starts to release energy, and the energy storage shaft and the connecting rod are driven to rotate towards two opposite directions respectively by the energy release of the spring; the operating mechanism can drive the moving contact mechanism to rotate by a larger angle through the connecting rod, and the opening distance between the moving contact mechanism and the static contact is increased, so that the breaking performance and the electrical performance of the switching device are 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.