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10452results about "Electric switches" patented technology

Arcing monitoring system and method for high-voltage circuit breaker

The invention discloses a high-voltage circuit breaker arcing monitoring system and method, and relates to the technical field of power equipment operation state detection, and the method comprises the following steps: S1, synchronously collecting arcing spectral signals and electromagnetic interference vector data under a unified time reference, and carrying out primary differential processing to generate stable base plane signals; s2, inputting the stable base plane signal into the interference identification model, generating a multi-dimensional spectrogram through time-frequency mapping, extracting an interference time sequence boundary, and outputting an interference weight matrix; the arcing monitoring method based on spectrum and electromagnetic signal synchronous acquisition is constructed, interference identification, signal purification, energy analysis and control instruction generation are fused, parameter self-optimization is realized through closed-loop feedback, the arcing identification accuracy and the arc quenching response efficiency are effectively improved, and the arcing monitoring method is suitable for large-scale popularization and application. And the operation safety and the intelligent level of the circuit breaker in a strong interference environment are enhanced.
Owner:JUBANG GRP CO LTD

10KV station electric control system of convertor station adopting selecting 2 from 3 logic

The invention discloses a 10KV station electric control system of a convertor station adopting selecting 2 from 3 logic. Two PS830 boards are added, three PS830 boards are utilized to concurrently process and jointly realize a spare power automatic switching function and an operation interlocking logic function; the selecting 2 from 3 logic is added in PS853 programs of an ASI host machine and a switching value output board, i.e. the electric control system can be exported when at least two of three integrated circuit boards sends out same instructions. The damage of any one of the three PS830 boards can not lead to switch fault trip or refusing trip, the 10KV control system can be ensured to run safely and stably without being influenced by the faults of single element. The electric control system has the advantages of convenient use, safety and the like.
Owner:STATE GRID CORP OF CHINA +1

Functional module and arrangement comprising a switching device and such a functional module

A functional module F is presented for coupling to an electrical / electronic switching device S, which functional module F can be influenced by means of an actuating element B, the electrical / electronic switching device S and a radio transmitter, wherein the functional module F has components necessary for its function on at least one electrical circuit board, and wherein the functional module F has at least one functional module-side interface CF connected to the electrical circuit board, which is suitable for interaction with a switching device-side interface CS, via which interfaces CF, CS actuators, for example lights, blinds or sockets, can be controlled, or sensors, for example touch sensors, can be evaluated, and whereby a control signal is transmitted between the functional module F and the electrical / electronic switching device S, wherein the functional module-side interface CF has an output channel for providing the control signal,which can be influenced both via the radio transmitter and via the actuating element OA, , What is special is that the function module F with its function module-side interface CF can be inserted into the switchgear-side interface CS in the manner of a plug-in connector, and that the function module F has a defined cabling so that the function module F can be influenced by means of the actuating element OA and radio transmitter for influencing actuators, wherein the function module F has recesses that can be engaged with projections HV of the electrical / electronic switchgear S.
Owner:INSTA ELEKTRO GMBH

Electronic apparatus and input device

An electronic apparatus (200) includes a casing (201), an operation key (10), a support (20), and a gasket member (30). The casing (201) has an opening portion (230h) long in a first axis (X-axis) direction and short in a second axis (Z-axis) direction. The operation key (10) includes a key body (11) that is fitted in the opening portion (230h) and a pair of flange portions (12) respectively provided at both ends of the key body (11) in a long direction. The support (20) is arranged inside the casing (201) and includes a switch element for detecting a press operation on the operation key (10). The gasket member (30) includes a movable portion (31), a pair of fixed portions (32), and a deformation layer (33). The pair of fixed portions (32) is arranged between the casing (201) and the support (20) and respectively includes recess portions (32a) that the pair of flange portions (12) enters at a time of the press operation on the operation key (10).
Owner:SONY GROUP CORP

Circuit breaker with reclosing mechanism

The invention relates to the technical field of circuit breakers, in particular to a circuit breaker with a reclosing mechanism, which comprises a shell, a circuit breaker handle is rotationally arranged in the shell, an operating rod and at least three gears meshed in sequence are further rotationally arranged in the shell, and the tooth number of each gear is gradually increased in sequence. The two gears located on the two sides are a small gear and a large gear respectively, the number of teeth of the small gear is smaller than the number of teeth of the large gear, the operating rod is fixedly connected with the small gear, and the large gear is in transmission connection with a circuit breaker handle. Speed reduction and torque increase are realized through the gear train, so that the force required to be applied when a user manually operates the handle of the circuit breaker is remarkably reduced, the operation intensity is reduced, the convenience of manual reclosing is improved, and the manual reclosing device is particularly suitable for a large-current circuit breaker or an occasion requiring a relatively large operation torque.
Owner:ZHEJIANG SUONENG ELECTRIC GRP CO LTD

Automatic assembling machine for switch base terminal

The invention relates to the technical field of switch base assembling, and discloses a switch base terminal automatic assembling machine which comprises a rack, a supporting seat is fixed to one end of the rack, a vertical groove is formed in the side face of the supporting seat, a driven shaft slides on the vertical groove, a driving plate slides on the supporting seat, an inclined groove is formed in the driving plate, and the inclined groove is in sliding connection with the driven shaft. And a lifting seat for moving the shell is fixed on the driven shaft. According to the automatic assembling machine, the shells are fed in sequence through the lifting base, then the shells are moved in sequence, it can be guaranteed that the distances between the adjacent shells are the same, the shells are accurately moved to the assembling positions, the assembling accuracy of all terminals and the shells can be improved, and therefore the assembling precision is improved; the screw fed into the material fixing block is accurately stopped through the positioning block, the main body of the screw accurately faces the nut on the shell, and then the screw is assembled, so that the assembly precision of the screw on the terminal can be improved, the safety of the terminal and the shell is ensured, the assembly process is stable and reliable, and the operation is convenient.
Owner:ZHEJIANG CHANGLONG ELECTRIC

Rocker device

The present application provides a rocker device. The rocker device includes a rocker, a bias component, an adjustable reset assembly, and a toggle component. The rocker is provided with a pressing part. The bias component includes a first end and a second end opposite to each other, the first end is in contact with the pressing part, and the second end is capable of offsetting. The adjustable reset assembly is disposed on the second end, and the adjustable reset assembly is configured to drive the second end of the bias component to reset. The rocker rotates in the toggle component, and the toggle component is configured to act on the adjustable reset assembly to adjust a reset force. The rocker device of the present application may adjust the operating force through the toggle component, which may meet the diverse experience needs of a user.
Owner:SHANGHAI FLYDIGI ELECTRONICS TECH

Plug-in circuit breaker

The invention discloses a plug-in circuit breaker which comprises a mounting plate, a plug-in circuit breaker body arranged on the right side of the mounting plate and a connecting assembly arranged on one side of the mounting plate, the connecting assembly comprises a heat dissipation mechanism arranged on one side of the plug-in circuit breaker body, and a limiting mechanism is arranged on the lower portion of the plug-in circuit breaker body. A damping mechanism is arranged on one side of the mounting plate, the slope clamping block movably penetrates through the movable groove and is clamped with the clamping groove, one end of the first spring is fixedly connected with the movable block, the outer side of the movable block is fixedly connected with the pull rod, and one end of the first inner groove is fixedly connected with the ejection column; and the mounting sleeve is mounted at the bottom of the plug-in circuit breaker body through the mounting block. The problems that according to an existing device, a dustproof net is inconvenient to disassemble and clean manually, after the dustproof net is used for a long time, meshes are prone to being blocked, the ventilation effect of the dustproof net is affected, and the subsequent heat dissipation effect is affected are solved.
Owner:YANGZHOU HUAXIAO ELECTRIC TECHNOLOGY CO LTD

Pressure-actuated switch for compressors

A pressure-actuated switch having a pressure port, a diaphragm, a range spring, an actuator plate, a differential plate, and an electrical switch. A certain pressure level moves the diaphragm against the range spring at the pressure port and thus deflects the actuator plate. The actuator plate is coupled to the electrical switch via a snap spring, wherein the electrical switch can be switched on or off via the deflection of the actuator plate and the snap spring. The differential plate controlled by a differential spring is connected to the actuator plate and supports the actuator plate in a first portion of movement, wherein the differential plate is decoupled from the actuator plate in a second portion of movement of the actuator plate.
Owner:WIKA ALEXANDER WIEGAND SE & CO KG

Molded case circuit breaker

The invention discloses a molded case circuit breaker, which comprises a shell, and an electric operating mechanism is arranged in the shell. The electric operating mechanism comprises a moving contact action assembly with a rotating block and a shifting rod, a sliding block which is arranged on the shell in a sliding manner and can drive the shifting rod to shift, an operating shaft which can drive the sliding block to slide and is provided with an operating hole site, and a motor speed reduction assembly which can drive the operating shaft to rotate, and the operating shaft is in linkage connection with a shifting shaft block; the sliding block is provided with a matching groove corresponding to the shifting shaft block, the operation shaft rotates to drive the shifting shaft block to shift in the matching groove so as to drive the sliding block to slide, the shell is provided with a cover plate capable of shielding the operation hole position in a sliding mode, and the shell is further provided with a rotating lock and a tripping button located on one side of the rotating lock. By arranging the locking microswitch, the manual microswitch, the first microswitch and the second microswitch, signal feedback of a manual operation state, a rotating lock locking state and a current circuit breaker state can be realized.
Owner:ZHEJIANG DELING SCI & TECH

Operation locking mechanism of molded case circuit breaker

The utility model discloses an operation locking mechanism of a molded case circuit breaker, which comprises a shell and an electric operation mechanism arranged in the shell. The electric operating mechanism comprises a moving contact action assembly with a driving lever, a sliding block which is arranged on the shell in a sliding manner and can drive the driving lever to shift, an operating shaft which can drive the sliding block to slide and is provided with an operating hole site, and a motor speed reducing assembly which can drive the operating shaft to rotate, and a cover plate which can shield the operating hole site is arranged on the shell in a sliding manner; the shell is also provided with a rotating lock and a tripping button positioned on one side of the rotating lock, and is characterized in that the shell is provided with a manual microswitch positioned on one side of the cover plate, and the shell is provided with a locking microswitch positioned on one side of the rotating lock. By arranging the locking microswitch and the manual microswitch, signal transmission of a manual operation state and a rotating lock locking state can be achieved, limiting of other components can be achieved through rotating locking of the rotating lock, misoperation is prevented, and operation safety is improved.
Owner:ZHEJIANG DELING SCI & TECH

Vacuum adsorber

A vacuum adsorber includes a housing having an accommodating cavity and an opening communicating with the accommodating cavity; an integrated vacuum pump arranged inside the accommodating cavity; a control panel arranged inside the accommodating cavity and controllably connected with the integrated vacuum pump; wherein the control panel is controllably connected with a photoelectric switch; a power-up assembly having a guide piece and a shading movement portion; and an activating piece covering inside the opening of the housing. By means of setting the activating piece to push the shading movement portion to move in the movement cavity, when the shading movement portion moves to block beams, it causes the state of beams to change, and then voltage inside the photoelectric switch changes; when the control panel detects a change in voltage, it controls the pump to start operating; thereby improving the stability and reliability during starting the pump.
Owner:YANG GUIXIANG

Touch motor and electronic device

The invention discloses a touch motor and an electronic device. The touch motor comprises a hollow shell, a vibrator unit, an elastic piece, a stator unit and a falling blocking piece. The shell comprises two oppositely arranged first shell bodies and two second shell bodies connected with the first shell bodies, and the two second shell bodies are arranged on the two opposite sides of the vibrator unit in the second direction respectively; the first direction is perpendicular to the second direction; each second shell comprises a first part and a second part; two opposite ends of the first part are respectively connected with the two first shells; the second part extends from the first part to the direction close to the vibrator unit; one side, close to the oscillator unit, of each second shell is provided with a falling separation blade, and the falling separation blades are fixed on the second part and are arranged at intervals with the oscillator unit. The touch control motor has the technical effects that falling limiting can be carried out on the vibrator unit, so that the vibrator unit can be prevented from impacting the stator unit to cause failure of the touch control motor when the touch control motor accidentally falls or is impacted.
Owner:AAC MICROTECH (CHANGZHOU) CO LTD

Compact intelligent switch cabinet

The invention provides a compact intelligent switch cabinet, which belongs to the technical field of intelligent switch cabinets and comprises an intelligent switch cabinet body, a switch cabinet back plate is arranged on the outer wall of one side of the intelligent switch cabinet body, and a switch cabinet door is hinged to the outer wall of the other side of the intelligent switch cabinet body. A transverse partition plate is arranged in the middle of the inner side wall of the intelligent switch cabinet body, a concave hole is formed in the outer wall of one side of the transverse partition plate, and an electrical equipment compact installation assembly and a locking linkage assembly are arranged on the inner side of the intelligent switch cabinet body. According to the electrical equipment compact installation assembly, electrical equipment can be adaptively and horizontally arranged and installed in the intelligent switch cabinet according to the thickness of the electrical equipment, so that the space occupied by tiled installation of the electrical equipment is reduced, and the electrical equipment installed in the intelligent switch cabinet can be conveniently overhauled, replaced and installed; and the intelligent switch cabinet can be manufactured to be more compact and can be flexibly expanded so as to adapt to frequently-changed power utilization requirements.
Owner:NANJING HUADAO NEW ENERGY TECH CO LTD

Electric appliance button

The invention provides an electrical button, which has a accommodating groove with a accommodating cavity, an elastic fixing member and a rigid pressing member are arranged on the accommodating groove; the elastic fixing member has an upper ring cover and a lower ring cover, forming a first clamping groove; the upper ring cover and the lower ring cover The outer periphery of the ring cover is connected by the cap wall, and the lower end of the cap wall is clamped in the connecting groove of the side wall of the receiving groove; the outer periphery of the lower end of the cap wall is provided with an upper fixing edge and a lower fixing edge to form a second clamping groove; The first clamping plate in the first clamping groove, the first clamping plate is provided with a pressing plate; the first clamping plate is provided with a guide post, and the lower end of the guide post is provided with a moving contact; the bottom surface of the receiving cavity is provided with a first static contact and the second static contact; the outer guide post is provided with an elastic piece, the upper end of the elastic piece is provided with an upper fixed end, and the lower end is set with a lower fixed end; the upper fixed end is clamped in the upper fixing groove of the first clamping plate, and the lower fixed end is clamped Connected to the lower fixing groove in the receiving cavity. The invention realizes double reset through the cap wall and the elastic member, so as to avoid the push button from being dead; the sealing performance is good, and dust and water are prevented from entering.
Owner:合肥梦飞电器有限公司

Magnetic shaft with wake-up function

The utility model discloses a magnetic shaft with an awakening function, which comprises a base, an upper cover, a guide core, a reset spring, a permanent magnet, a Hall element, a moving plate which is arranged on the side edge of the guide core and is integrally downwards and elastically bent, and a static plate arranged below the moving plate, at least one protruding edge is formed on the side edge of the guide core, the movable piece comprises at least one movable piece supporting arm transversely extending in the direction of the protruding edge, the movable piece supporting arm is driven by the protruding edge to make contact with or be separated from the static piece under the acting force that the guide core is pressed by external force, and the movable piece and the static piece are electrically connected with an external circuit board. According to the wireless keyboard, the mechanical switch is triggered to wake up the Hall element to realize signal transmission when a user presses the wireless keyboard, the mechanical switch and the Hall element do not interfere with each other when the wireless keyboard is not pressed, and the Hall element is dormant, so that the aims of saving electric power and prolonging the service life of the wireless keyboard are fulfilled; and in addition, the mute arm is arranged for buffering the downward pressing impact force, so that the mute function is achieved.
Owner:DONGGUAN CITY KAIHUA ELECTRONICS

Touch feedback control method and device for rotary knob, electronic equipment and medium

The invention provides a touch feedback control method and device for a rotary knob, electronic equipment and a medium, and belongs to the technical field of switch control. The method comprises the following steps: converting a current Ia, a current Ib and a current Ic in a three-phase static coordinate system into a current Ialpha and a current Ibeta of a two-phase static coordinate system; the current I alpha and the current I beta of the two-phase static coordinate system are converted into current Id and current Iq under a two-phase rotating coordinate system with rotor flux linkage as orientation; the convergence speed of the driving motor in the dynamic response process is controlled and optimized by adopting a sliding mode variable structure; performing real-time setting through a zebra optimization algorithm to minimize overshoot and optimize convergence time; and the magnitude of the rotation feedback damping force is controlled by adjusting the current Iq. In this way, active rotating tactile feedback and pressing tactile feedback can be provided, and the intelligent interaction degree is improved.
Owner:MALANSHAN AUDIO & VIDEO LABORATORY

Key assembly, electronic equipment and manufacturing method of key support

The invention provides a key assembly, electronic equipment and a manufacturing method of a key support, the key assembly comprises two keys, two antennas and two metal supports, the first key and the second key are arranged along a first direction; a gap is formed between the first antenna and the second antenna in the first direction, and the gap is located between the first key and the second key; the first metal support is arranged on the side, away from the first key, of the first antenna, the projection of the first metal support in the second direction is located in the area where the first antenna is located, the second metal support is arranged on the side, away from the second key, of the second antenna, and the projection of the second metal support in the second direction is located in the area where the second antenna is located. And the second direction is perpendicular to the main plane of the first key. According to the key assembly, the electronic equipment and the manufacturing method of the key support provided by the embodiment of the invention, the structural strength of the key assembly can be enhanced, and the antenna performance requirement can be met.
Owner:HUAWEI TECH CO LTD

Intelligent safety protection device for switch cabinet

The invention relates to the technical field of safety protection of power system equipment, in particular to an intelligent safety protection device for a switch cabinet, which comprises a cabinet body, the cabinet body is divided into a four-chamber structure, the upper part of the cabinet body is a bus chamber and is internally provided with a wire row template, the middle part of the cabinet body is a circuit breaker chamber and is connected with the bus chamber through a bus joint end plate, and the lower part of the cabinet body comprises two chambers. The independent sealing structure of the four chambers of the cabinet body is combined with condensation and drying circulation processing of the circulation collection assembly on moisture, moisture permeation among the chambers is effectively avoided, and the risk of insulation degradation is reduced. A humidity sensor monitors humidity distribution of each chamber in real time, triggers a generator to drive fan blades to accelerate airflow circulation and prevent local condensation, and triggers a sound-light alarm when the water level of a collecting pipe exceeds the limit to avoid short circuit caused by overflow of condensate water; the environment sealing assembly is in linkage with the traction rod through the limiting guide frame, an opening of the heat dissipation cover can be rapidly closed when external dust or humidity is too high, an internal circulation mode is switched, external pollution is isolated, and the operation safety of the device is improved.
Owner:HEBEI KECHAO ELECTRICAL EQUIP CO LTD

Five-prevention locking device, locking method and circuit breaker

The invention relates to a five-prevention locking device, a locking method and a circuit breaker. The five-prevention locking device comprises a panel, a supporting plate, a sliding plate, a switching-on interlocking mechanism, a grounding switching-on and switching-off mechanism and an isolation switching-on and switching-off mechanism, wherein the panel and the supporting plate are vertically arranged in parallel; the sliding plate is arranged between the panel and the supporting plate in an up-down sliding mode; the sliding plate is fixedly provided with a deflector rod, a grounding interlocking hole and an isolation interlocking hole, the top of the right end of the sliding plate is provided with a concession platform, and the bottom of the sliding plate is connected with a vertical lock rod; the panel is provided with a gear groove, a grounding operation hole and an isolation operation hole. The distance between the grounding interlocking hole and the isolation interlocking hole is smaller than the distance between the grounding operation hole and the isolation operation hole. The locking method is realized based on the five-prevention locking device and comprises power-on operation and power-off operation. The circuit breaker is provided with the five-prevention locking device. The five-prevention locking device, the locking method and the circuit breaker are simple in structure, convenient to operate, high in reliability and high in safety.
Owner:JIANGSU YUNFENG SCI TECH CO LTD

keyboard

A keyboard may include a top case and a bottom case coupled with each other to define an internal compartment. Multiple internal layers are contained within the internal compartment. The multiple internal layers may include a plurality of keys mounted on a switch plate, wherein a portion of each of the plurality of keys protrudes over the top case; a printed circuit board (PCB) layer disposed under the switch plate; a gasket layer disposed under the PCB layer. The gasket layer comprises a peripheral wall and a bottom floor integrally formed with the peripheral wall. The switch plate is coupled with the peripheral wall of the gasket layer.
Owner:LOGITECH EUROPE SA

Multi-gear adjusting rotary switch

The invention discloses a multi-gear adjusting rotary switch, which comprises a base, a shell cover, a rotary handle and a contact assembly, and is characterized in that the rotary handle is rotationally arranged between the base and the shell cover and is provided with a driving rod extending along the radial direction of the rotary handle; the contact assembly comprises a plurality of moving contact bridges which are annularly arranged in the mounting cavity with the axis of the rotating handle as the center and are of elastic structures, and a plurality of static contact pieces which are arranged on the base and are opposite to the plurality of moving contact bridges, and the plurality of moving contact bridges are connected and are located on the moving path of the driving rod. According to the technical scheme, the driving rod drives the multiple movable contact bridges to make contact with the multiple static contact pieces in the process of rotating along with the rotating handle, operation pressure is remarkably dispersed through an in-turn contact mechanism formed by the driving rod and the multiple movable contact bridges, continuous stress of a single movable contact bridge is avoided, the mechanical load and the fatigue degree of the movable contact bridges are greatly reduced, and the service life of the movable contact bridges is prolonged. The heating probability is reduced, abrasion and fusion welding risks are reduced, and the mechanical service life is prolonged.
Owner:ZHEJIANG ZHONGXUN ELECTRONICS

Solar energy and gravity combined power generation and energy storage system

The utility model discloses a solar energy and gravity combined power generation and energy storage system, which comprises a solar power generation assembly, an inversion controller, an energy storage battery, a charging and discharging station, a generator, a gravity power generation assembly and a lifting motor, and is characterized in that the gravity power generation assembly comprises a lifting frame and a battery platform arranged on the lifting frame; according to the utility model, the gravity power generation assembly utilizes electric energy exceeding the energy storage upper limit of the energy storage battery to generate power at night through the gravity power generation assembly, so that the power generation efficiency is improved, and the power generation efficiency is improved. The utilization rate of energy can be improved; besides, through the charging and discharging movable contact structure and the charging and discharging fixed contact structure, the charging and discharging processes of the energy storage battery are carried out on the ground, the charging and discharging movable contact structure is connected with the electrodes of the energy storage battery, wiring of the movement section of the energy storage battery can be omitted, and safety is higher.
Owner:NANJING GUANGXIANG NEW ENERGY TECH CO LTD

Illuminated indicator for doorbell

An illuminated indicator for a doorbell can be arranged to receive light along an optical axis (e.g., that is perpendicular to a front face of the doorbell housing) and emit the light from an output portion that defines a closed loop (e.g., that extends around the optical axis) and in a direction that is parallel to the optical axis. The illuminated indicator can include a light pipe that receives light along the optical axis and reflects the light to follow a radially outward and divergent path, e.g., that is perpendicular to the optical axis. The radially outward and divergent light can be reflected to follow a path that is parallel to the optical axis for emission at an output portion of the light pipe. The light pipe can be configured to transmit a doorbell switch activation force to other parts of the doorbell to cause actuation of the switch.
Owner:SIMPLISAFE INC

Electromagnetic residual-current circuit breaker

The invention relates to the technical field of circuit breakers, in particular to an electromagnetic leakage circuit breaker which comprises a shell, a first wiring terminal and a second wiring terminal are arranged at the upper end and the lower end of the shell respectively, a leakage tripping assembly is arranged in the shell, and the leakage tripping assembly comprises a leakage tripper located above a switching-on and switching-off main body. An ejector rod is arranged on the electric leakage tripper, a locking piece is arranged at the output end of the ejector rod, a deflection piece is arranged on the outer side of the locking piece, and a pushing piece is arranged on the outer side of the deflection piece; a zero-sequence current transformer is arranged on the outer side of the electric leakage tripping assembly and used for detecting whether flowing current is unbalanced or not, when the zero-sequence current transformer detects the unbalanced current, the zero-sequence current transformer triggers an electric leakage tripper to act, the electric leakage tripper enables an ejector rod to extend, the output end of the ejector rod pushes a locking piece to rotate, and the locking piece is locked. And when the locking of the deflection piece is released, the deflection piece drives the pushing piece to push the opening and closing main body, so that the reliability of the circuit breaker is improved.
Owner:GAONENG GELE ELECTRIC CO LTD

Plug-in circuit breaker

A plug-in circuit breaker comprises a shell, an operating mechanism, a static contact and a moving contact, a closing handle and an opening handle of the operating mechanism are respectively arranged on the shell in a sliding mode, a closing locking piece is assembled in a rotating mode and is respectively matched with the closing handle and the opening handle, the contact mechanism further comprises a contact spring, and the moving contact and the contact spring are respectively arranged in a rotating mode. When the closing handle is pressed to a closing position, the contact spring firstly drives the moving contact to switch on the contact mechanism and provide contact pressure for the moving contact, the closing handle then closes the solid-state electronic switch, the closing handle is in limiting fit with the closing locking piece, and when the opening handle is pulled to an opening position, the solid-state electronic switch is closed. The switching-off handle drives the switching-on locking piece to release the limiting cooperation with the switching-on handle, so that when the switching-on handle moves to the switching-off position, the solid-state electronic switch is firstly switched off, and then the moving contact is driven to switch off the contact mechanism. According to the invention, the mechanism of the operation mechanism is simplified, misoperation in the operation process can be prevented, and the reliability and the use safety of the product are improved.
Owner:CHINT LOW VOLTAGE ELECTRICAL TECH CO LTD

Keycap with an Interchangeable Keycap Top

The present disclosure teaches a keycap with an interchangeable keycap top. The keycap comprises a keycap base and a keycap top. Wherein, a first magnetic piece connects to the keycap base, and a second magnetic piece connects to the keycap top. Both magnetic pieces can be a magnet or of a magnetic material, and at least one of the magnetic pieces is a magnet. The keycap top can thus be secured onto the keycap base by attaching the first magnetic piece to the second magnetic piece. The keycap top may be textured, have a distinctive shape, or have a distinctive coloring, or have other features, to provide physical and visual cues for a user. The present disclosure also teaches a customizable keyboard and a method of customizing such keyboard using said interchangeable keycap tops.
Owner:LEBLANC KYLE +2