19425results about "Electric switches" patented technology

A solid-state circuit breaker comprises an air gap, at least one counter and / or a timer, a memory, a radio and a microprocessor to: retrieve saved health data, alert data and counter, timer data from the memory, determine a status of a heath rating by data and comparing the heath rating to a threshold, if it is poor, send a message via a smart phone application (APP) and start a counter or timer, determine if the counter is at a predefined value and / or the timer is expired, if the counter is at a predefined value and / or the timer is expired, turn OFF the breaker and inhibit from being turned on, send a breaker OFF / disabled alert message using the radio to an end user / a customer via the APP, and if the counter is not at a predefined value and / or the timer is not expired, increment / decrement the counter and / or the timer.

A knob-type dimmer, including a housing; a circuit board; a switch; a trigger, partially exposed to the outside of the dimmer and moves in response to external forces to trigger or release a switch to control electrical connection or disconnection because the dimmer and a power source; an electrical connection matching component; a first mounting match portion; a knob assembly, including a base, a knob, and an electrical connection component, the base including a first mounting portion which cooperates with the first mounting match portion to mount the knob assembly to the housing, where the electrical connection component cooperates with the electrical connection matching component; a second mounting match portion; a face cover, including a second mounting portion which cooperates with the second mounting match portion to mount the face cover to the housing and to at least partially cover the base.

A linkage device adapted to control two electric switches including a main control shaft member, an actuation system including a first actuation member for actuating a control shaft of a first electric switch, and a second actuation member for actuating a control shaft of a second electric switch. A mechanism of the linkage device is provided with a torque limiting connection for each electric switch, wherein the torque limiting connection is adapted to disengage during an opening event if a torque exerted to an actuation member exceeds a predetermined limit value. The linkage device includes a stopping member system adapted to co-operate with a linkage arm system for preventing rotation of the main control shaft member to an OFF-position when the torque limiting connection of at least one linkage arm of the linkage arm system is in a disengaged position.

The present disclosure comprises: a semiconductor switch unit including a first semiconductor switch having a drain terminal connected to a power grid, a second semiconductor switch having a drain terminal connected to a load, and first and second diodes each having a positive electrode and a negative electrode respectively connected to a source terminal and the drain terminal of each semiconductor switch; a bypass circuit which connects the drain terminal of the first semiconductor switch to the source terminal of the second semiconductor switch; and a control unit which, when the power grid is connected to the semiconductor circuit breaker, supplies a current to the load through the bypass circuit and the second diode by closing the bypass circuit while the first and second semiconductor switches are turned off, and which, when preset conditions are met, turns on the first and second semiconductor switches so as to open the bypass circuit so that a current is supplied to the load through the semiconductor switch unit.

The utility model provides a touch control wireless receiving controller for electric shutter hollow glass, which comprises a bottom box, a box cover, a touch control panel, a main control circuit board assembly, a touch control circuit board assembly and a battery, a plurality of key holes are formed in the box cover; a microprocessor, a motor booster circuit and a motor driving circuit are arranged on the main control circuit board assembly, and the microprocessor is electrically connected with the motor through the motor booster circuit and the motor driving circuit; the main control circuit board is further provided with a wireless antenna and a wireless communication circuit, and the wireless antenna and the wireless communication circuit can be in wireless connection with the transmitting device. The touch control circuit board assembly is provided with touch control keys, the touch control keys penetrate through the key holes, and the touch control circuit board assembly is electrically connected with the master control circuit board assembly. The touch keys are adopted to replace common keys, no installation gap exists between the installation keys and installation parts, the risk that foreign matter enters the control substrate to cause faults of the control substrate is avoided, the receiver is more durable, and the pure flat receiver operation face is attractive in appearance.

An assistive touch button and an electronic device protective case are provided. The assistive touch button includes an insulation button block and a plurality of conductive columns; a bottom surface of the insulation button block is attached to a touch surface of a capture button; the plurality of conductive columns are arranged in a spacing manner on the insulation button block; head ends of the plurality of conductive columns extend to a top surface of the insulation button block; and tail ends of the plurality of conductive columns extend to the bottom surface of the insulation button block and abut against touch points of the touch surface. The electronic device protective case includes a case body and an assistive touch button that is mounted on the case body and corresponds to the capture button.

A device includes a frame and a haptic engine. The frame defines at least one flexure. The haptic engine includes a core attached to the frame, an attraction plate attached to the at least one flexure, and an electric coil wound around at least a portion of the core. The attraction plate is separated from the core by a gap. The electric coil, when energized, creates a magnetic field that causes a width of the gap to temporarily change. Some embodiments include a cushioning pad positioned within the gap or a layer of compliant material that attaches the attraction plate to the at least one flexure or the frame.

A switch module for an electronic device detects translational inputs and defines at least portion of a conductive path from an input surface of the electronic device to a processing unit of the electronic device. The switch module may be a component of a crown assembly for detecting rotational inputs, translational inputs, touch inputs and / or biological signals such as electrocardiogram (ECG) signals. The switch module may include a conductive dome and a friction guard that is positioned between the conductive dome and the actuation member of the crown assembly. The conductive dome and / or the friction guard may define at least a portion of the conductive path from the input surface to the processing unit.

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.

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.

The invention discloses an electrical cabinet with strong anti-electromagnetic interference capability, and relates to the technical field of electrical cabinets, the electrical cabinet comprises a cabinet body and further comprises a protection device, a sealing door slidably penetrates through the right side of the cabinet body, a moving hole is formed in the front side of the sealing door, and a limiting hole is formed in the front side of the sealing door. The protection device comprises an operation hole, an operation rod, a T-shaped rod, a protection rod, an L-shaped plate, a filter, a reset spring and a protection disc, the sealing door moves to enable the limiting hole to be aligned with the T-shaped rod, and after the T-shaped rod is aligned with the limiting hole, the T-shaped rod moves in the direction away from the protection rod under the elastic force effect of the reset spring; the T-shaped rod moves in the direction away from the protection rod to make contact with the inner wall of the limiting hole and restore limiting of the sealing door, the sealing performance of the cabinet body is kept through the L-shaped plate, the influence of external electromagnetic interference can be prevented, the equipment failure rate is reduced, and therefore the usability of the whole system is improved.

The invention relates to a relay and an electric meter. The relay comprises a contact system, wherein the contact system comprises a movable contact unit and a static contact unit; a pushing system; the connecting structure is connected with the pushing system and the moving contact unit, and the connecting position of the connecting structure and the pushing system is located on the side, away from the static contact unit, of the moving contact unit. According to the application, the pushing system is connected with the moving contact unit through the connecting structure, and the connecting position of the connecting structure and the pushing system is located on the side, away from the static contact unit, of the moving contact unit, so that when the moving contact and the static contact are closed to generate an arc, the moving contact unit can block the arc to prevent ablation of the pushing system; and the overall reliability and service life of the relay are effectively improved.

A computer mouse with non-impact magnet-based switch. In one aspect, the switch includes a deflection plate, the deflection plate having a movable portion, a first magnet coupled on the movable portion of the deflection plate and being translatable along a predefined path, a second magnet disposed proximate the predefined path such that at least a portion of a magnetic field of the second magnet extends into a medial portion of the predefined path, where the first magnet has first and second poles, and the second magnet has third and fourth poles, the third pole facing the first pole and the fourth pole facing away from the first pole, a distance from the first pole to the third pole is less than a distance from the first pole to the fourth pole, and a polarity of the first pole is the same as the polarity of the third pole.

The invention belongs to the technical field of isolating switch assembly, and relates to automatic centering equipment and a centering method for an isolating switch. The equipment comprises a first mounting base and a second mounting base, a connecting frame is mounted on the second mounting base, an elastic pressure applying mechanism and a six-component sensor are mounted on the connecting frame, the six-component sensor is provided with a stress structure matched with a butt joint hole of the middle conductor, and the stress structure is inserted into the butt joint hole of the middle conductor in the locking process of the middle conductor and the insulating spacer; the second mounting base is connected with a lifting driving mechanism for driving the second mounting base to move; a first rotation driving mechanism for driving the first mounting seat to rotate is arranged on the first mounting seat; and a second rotation driving mechanism for driving the connecting frame to rotate is arranged on the second mounting seat. The elastic pressure applying mechanism can prevent the middle conductor from shaking greatly and allows the middle conductor to shift slightly, and the six-component sensor can be used for correcting and calibrating the position of the middle conductor and detecting and verifying the middle conductor after the middle conductor is assembled.

A circuit breaker protecting an electric low-voltage circuit includes a housing with grid-side and load-side connections and a series circuit of a mechanical isolating contact unit on the grid side and an electronic interruption unit on the load side. The mechanical isolating contact unit has a handle opening and closing contacts. A current sensor unit is disposed in a conductor between the isolating contact unit and the interruption unit, for ascertaining a current level of the low-voltage circuit. A control unit is connected to the current sensor unit, electronic interruption unit, and mechanical isolating contact unit. When current and / or current / time thresholds are exceeded, prevention of a current flow in the low-voltage circuit is initiated. A power supply unit supplying energy to the circuit breaker is connected to conductors of the low-voltage circuit between the isolating contact unit and the interruption unit.

The invention discloses a circuit breaker contact arc extinguishing device, and relates to the technical field of circuit breakers, the circuit breaker contact arc extinguishing device comprises an arc extinguishing chamber main body, the two sides of the interior of the arc extinguishing chamber main body are respectively provided with a guide cover, the middle of each guide cover is provided with a plurality of groups of uniformly distributed arc extinguishing sheets, and the arc extinguishing sheets are arranged at the outer side of the arc extinguishing chamber main body and are communicated with the interior of the arc extinguishing chamber main body; two ends of the arc extinguish chamber main body are provided with transmission assemblies, and one end of the outer side of the arc extinguish chamber main body is provided with an air blowing assembly. According to the invention, the transmission assembly is designed, the moving contact and the static contact realize synchronous rotation while the moving contact and the static contact are separated, the arc extinguishing sheet is matched to cut the electric arc, and the gas blown by the gas blowing assembly is matched to timely cut the longer electric arc into the electric arc with very small length; and meanwhile, the electric arc continuously rotates to be in contact with different arc extinguishing sheets for cooling, and the outer sides of the arc extinguishing sheets are in contact with air, so that rapid cooling can be automatically carried out, and the service life of the arc extinguishing sheets is prolonged.

A circuit breaker protecting an electrical low-voltage circuit includes a mechanical separating contact operable by a mechanical handle switching a contact opening function preventing current flow or a closing function for current flow. An electronic interruption unit connected to the mechanical separating contact unit in series on the circuit side, as a result of semiconductor-based switch elements, is switchable to a high-ohmic state of the switch elements preventing current flow or a low-ohmic state thereof for current flow. An ascertained current level is compared with current thresholds and, if exceeded, initiates prevention of current flow in the circuit. When contacts are closed and the interruption unit is in the low-ohmic state, the interruption unit switches to the high-ohmic state upon initiating a voltage-reduced state of the circuit. After discontinuing the voltage-reduced state, the interruption unit switches back to the low-ohmic state.

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.

The invention discloses a key switch and a socket, and relates to the technical field of electric appliances. The key switch comprises a shell, an overload protection piece, a movable contact piece, a first terminal and a pressing assembly, the shell is provided with an installation cavity, and the overload protection piece with the static contact and the movable contact piece with the movable contact are located in the installation cavity; the first terminal comprises an input terminal and an output terminal which are mutually independent, and the input terminal and the output terminal are respectively connected with the overload protection piece and the movable contact piece; the pressing assembly is installed on the shell and located on the side, away from the overload protection piece, of the movable contact piece, and the pressing assembly can be pressed to enable the movable contact to move in the direction close to the static contact. When the movable contact is in contact with the static contact, the input terminal and the output terminal are electrically conducted; and the overload protection piece is configured to drive the static contact to be separated from the movable contact when the current flowing through the overload protection piece exceeds a set threshold value. Therefore, the key switch and the socket disclosed by the invention are simple in structure and small in occupied space.

A function button module with variable function layout and game controller, comprising: a transparent pressing member; a plurality of transparent supporting members; an annular character changing plectrum; a driving assembly. The bottom of the transparent pressing member is equipped with indicator lights. The top of the transparent supporting member are equipped with transparent buttons, and the annular character changing plectrum is movable between the transparent button and the transparent supporting member. The driving part is rotationally connected to the annular character changing plectrum, which is equipped with a first through hole group and a second through hole group corresponding to different layouts. By driving the annular character changing plectrum, the light emitted by the indicator light can be mapped onto transparent buttons through the first through hole group or second through hole group. Thus, the layout of functional buttons can be changed to adapt to different types of game controllers.

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).

The utility model provides a terminal device and a safety switch circuit thereof, the safety switch circuit comprises a knob part, at least a part of the knob part is exposed out of a shell of the terminal device, the knob part is connected with a rotating shaft, a press-fit block is arranged outside the rotating shaft, the press-fit block rotates along with the rotation of the rotating shaft, and the press-fit block rotates along the axial direction of the rotating shaft. The press-fit block at least comprises two press-fit sections, and the central angles of the press-fit sections relative to the axis of the rotating shaft are not equal; the safety switch circuit further comprises more than two groups of connecting terminals, one group of connecting terminals comprises at least one fixed terminal and at least one movable terminal, and the fixed terminal and the movable terminal in the same group of connecting terminals are respectively connected to a data transmission line of a controlled device; wherein one press-fit section corresponds to one group of connecting terminals, and the press-fit sections can abut against the corresponding movable terminals, so that the movable terminals and the corresponding fixed terminals are in an open-circuit state. The terminal equipment is provided with the safety switch circuit. According to the utility model, the size of the terminal equipment can be reduced, and the privacy of a user is protected.

Disclosed in the present invention is a safety interlocking device for a switchgear. The safety interlocking device comprises an interlocking base, wherein a latch is slidably arranged on a latch guide limiting assembly, and the latch guide limiting assembly is fixedly arranged inside the interlocking base, one side of the latch being provided with a first recess; a first locking pin is fixedly connected to one end of a guide block, the guide block engages with a cam, the cam is fixedly arranged on one end of a transmission shaft, and the transmission shaft is rotatably arranged on the interlocking base; a first guide sleeve is fixedly arranged inside the interlocking base, a first guide plate is fixed in the interlocking base, and the guide block is slidably arranged in the first guide sleeve; a first reset spring is sleeved on the first locking pin, the first reset spring is in contact with the first guide plate, and the first reset spring is in contact with the guide block; and a first guide hole for engaging with the first locking pin is provided in the middle of the first guide plate, and a lock hole for engaging with the latch is provided in the interlocking base. By means of the device, the safety of an operator can be effectively ensured.

The utility model relates to the field of circuit protection, in particular to a contactor integrated with an excitation function, and an excitation ignition assembly, a first piston, a first conductive part, an auxiliary contact system, a push rod, a melt, an air passage, a second piston and an elastic part are integrated in the contactor. The melt and the auxiliary contact system are connected in series and then are connected in series between the two static contacts. In a normal working state, the auxiliary contact system is insulated and disconnected, when an overload current, a short-circuit current or an abnormal condition occurs, the ignition assembly is excited to act to drive the first piston and the first conductive piece to move, the first conductive piece enables the auxiliary contact system to be conducted and closed, and the melt is connected into a main loop in a parallel connection mode; and then the second piston and the elastic piece are driven to displace through the air passage, so that the contact system is switched off, the elastic piece generates irreversible deformation, and the first piston and the first conductive piece push the push rod to disconnect the melt. According to the invention, the power loss is low, zero-current cut-off of a main loop can be realized, and the breaking capacity and the breaking reliability are improved.

A method operable by a controller of a static transfer switch (STS) is provided. The STS includes first and second inputs selectively coupled with first and second power sources via first and second circuit breakers, respectively, an output coupled with a load, first and second bypass breakers selectively coupling the first and second inputs, respectively, with the output, at least one removable power stage module including first and second power stages configured to conduct electrical power when active, first and second contactors selectively coupling the first and second inputs with the first and second power stages, respectively, and a load switch selectively coupling the first and second power stages with the output. The method includes modifying an operating state of the first and second contactors and the first and second power stages to implement a bypass operation and an un-bypass operation of the STS in response to a trigger condition.

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.