491 results about "Electrical switching" patented technology

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.

A measuring system for characterizing a multilayered structure with layer-by-layer different ohmic properties, having a sensor module, an electrical switching device, and a measuring electronics unit. The sensor module has more than two planar coils arranged in a stack, and the electrical switching device is contacted with the planar coils and is configured to connect these coils to the measuring electronics unit such that the coils are switchable between a measuring configuration and a reference configuration. In the measuring configuration, the planar coils at least partially form an optionally inductive or capacitive measuring sensor, with the detection area extending outside the sensor module for determining a property of a low and / or high-resistance layer of the structure. In the reference configuration, the planar coils at least partially form an optionally inductive or capacitive reference sensor, with the detection area extending essentially inside the sensor module for determining a sensor module property.

A meter collar adapter including a housing, a plurality of contacts to electrically connect the meter collar adapter to a meter socket and to a utility meter, a load management device within the housing to manage electrical load to an interface circuit with external, co-located electric equipment, and an overcurrent protection device electrically connected in series with an interface circuit. The load management device includes the interface circuit to electrically connect to either the line side or load side of an electrical service via the utility meter an external, co-located electric equipment. An interface contact to electrically connect the co-located electric equipment to the interface circuit, an adjustable electrical switch electrically configured to control electric load, and an energy management unit to control, monitor, and / or report a position of the adjustable electrical switch to manage the electrical loads.

1. Name of the product in this design: Electrical installation cover. 2. Purpose of this design: As a decorative accessory for electrical switches and sockets. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The invention relates to a functional building for electrical switchgear, wherein the functional building comprises a foundation and an enclosure with walls and a ceiling, within which the line connections and the electrical switchgear are arranged. Within the scope of the invention, it is proposed that the functional building has an intermediate floor, wherein the electrical switchgear is arranged on the intermediate floor, the intermediate floor being made of wood, and wherein the intermediate floor together with the foundation forms a cavity, the cavity being in fluid communication with a vertical pressure relief channel.

Electrical protection device, distribution assembly, and associated electrical switchgear. This electrical protection device (300), configured to electrically connect an electrical load (M) to an electrical power source (S), includes incoming terminals (302), outgoing terminals (304), and switching means (310) actuated by a bistable actuator (324). A microcontroller (320) is provided to generate a fault signal (S320), which triggers the actuator, and an output signal (S321), which is different from the fault signal. The protection device includes a supervisory circuit (500), which is interposed between the microcontroller (320) and the actuator (324) and which includes an oscillator (510) configured to generate a periodic signal (S510).The monitoring circuit is configured to generate a trigger signal (S324) when, alternatively, the output signal (S321) of the microcontroller (320) is absent, or the periodic signal (S510) of the oscillator (510) is absent, or when a fault signal (S320) is emitted. See Figure 6 for abbreviations.

The embodiment of the invention provides an arc extinguishing assembly and an electrical switch. The arc extinguishing assembly comprises a static contact and a moving contact. The magnetic part comprises a first pole and a second pole; the magnetic conducting piece comprises a connecting part and a pair of extending parts which are connected with the connecting part and are separated from each other, the connecting part is attached to the first pole, a first magnetic field can be formed between the pair of extending parts and the second pole, and a second magnetic field can be formed between the pair of extending parts; an inner chamber is arranged between the arc extinguishing member and the static contact and between the arc extinguishing member and the moving contact; at least one part of at least one of the static contact, the moving contact and the inner cavity is located between the paired extension parts, and the first magnetic field can guide an electric arc towards the direction of one extension part in the paired extension parts; and the second magnetic field can guide the electric arc guided to be adjacent to the extension part towards the direction of the arc extinguishing piece.

The application relates to the technical field of electrical test boxes, in particular to an electrical switching test box with test protection, which comprises a test box main body, electrode sockets and male plugs. A switching seat is fixedly installed on the surface of the test box main body, a plurality of interface end rows are arranged on the surface of the switching seat, and the interface end rows are used for arranging a plurality of electrode sockets. The electrode sockets are arranged in a matrix arrangement mode on the inner side of the interface end rows and are electrically connected with the output end of the test box main body. In the application, heat-induced variable sheets are arranged between electrode clamping rods, and the heat-induced variable sheets are made of shape memory polyurethane materials, so that when the temperature reaches a set range, the heat-induced variable sheets can automatically contract, the electrode clamping rods are deflected to break the electrical contact, the interface end plays a role in quick power-off protection, and electrical damage or safety hazards caused by overheating can be effectively avoided.

The utility model discloses an intelligent router based on 5G communication, which comprises a router main body, the router main body comprises a shell, the shell is internally provided with a cavity, the top end of the shell is provided with a top shell, the cavity is internally provided with a PCB mainboard, one side of the interior of the shell is provided with a ventilation device, and one side, close to the ventilation device, of the interior of the shell is provided with a ventilation slot. A ventilation groove is formed in the shell, an antenna is installed on the back face of the shell, a temperature sensor is installed on the PCB mainboard, an electrical switch electrically connected with the temperature sensor and the ventilation device is installed on the PCB mainboard, a filtering device is detachably installed on the side, right facing the ventilation groove, of the shell, and an elastic clamp and a limiting plate of the filtering device are installed at the bottom end of the shell. According to the intelligent router, the fan is started through the electrical switch, hot air in the router main body is exhausted from the ventilation slot, the effect of intelligently adjusting the temperature in the router main body is achieved, and electric appliances connected with the router can be controlled by voice through the arranged intelligent control module, so that the router is convenient to disassemble and clean in the later period.

The invention discloses a parallel contact system for a magnetic latching relay and the magnetic latching relay, and belongs to the technical field of electrical switches. The contact system comprises a base and a pair of contact assemblies arranged in parallel, and each contact assembly comprises a zigzag structure formed by a bus bar, a movable contact spring assembly and a static contact. The two movable contact spring assemblies are parallel and electrically connected in parallel. The relay comprises the contact system, a coil assembly, a magnetic steel assembly and a push rod. According to the invention, through parallel connection of the double zigzag structures, current shunting and contact resistance reduction are realized, electromagnetic attraction and repulsive force between the parallel conductors and between the conductors and the bus bars are utilized, the current-carrying capability, large current impact resistance and reliability of the relay are significantly improved, and the size of a product is reduced.

The utility model discloses an electrical switch unit for electrical equipment, which comprises a circuit breaker main body, the rear side of the circuit breaker main body is provided with an installation clamping groove, the lower end of the installation clamping groove is slidably provided with a fixed clamping plate, and the inner side of the lower end of the circuit breaker main body is rotatably provided with a fixed screw rod through a bearing. A fixing push plate is fixedly installed at the lower end of the fixing clamping plate, a fixing nut is fixedly installed on the inner side of the fixing push plate, the fixing nut is arranged on the outer side of a fixing screw in a screwing and sleeving mode through threads, and a rotary knob is arranged at the lower end of the fixing screw. Through the designed mounting clamping groove and the fixed clamping plate, during use, the fixed screw rod is rotated through the knob, and the fixed screw rod drives the fixed nut and the fixed push plate to move, so that the fixed push plate drives the fixed clamping plate to move to be matched with the mounting clamping groove to be clamped on the mounting frame; and through connection and pushing of the fixing screws and the fixing nuts, it is guaranteed that the fixing clamping plates are more stable during clamping installation.

The utility model relates to a speed governor safety tongs electrical switch detection device, which comprises a safety loop, a first power supply, a first switch, a speed governor switch, a safety tongs switch, a second switch and a loop tail end, and the loop tail end is used for outputting a safety signal for prompting that an elevator is in a normal operation state; the safety branch circuit comprises a first power supply, a test switch, and a first branch circuit and a second branch circuit which are coupled in sequence, wherein the first branch circuit and the second branch circuit are respectively connected with different switching gears; when the first branch circuit is electrified, the first switch and the second switch are both switched on; the second branch is coupled to the loop end; and the detection circuit is used for detecting the speed limiter switch and the safety tongs switch respectively when the first switch and the second switch are switched off. When the switch-on of the first branch circuit is switched to the switch-on of the second branch circuit, the output of a safety signal is kept at the tail end of the loop, the first switch and the second switch are both switched off, and the speed limiter switch and the safety tongs switch are jointly and completely cut off from the safety loop, so that the reliability of double insurance is conveniently detected.

In one embodiment, the electrical switching system (1) comprises semiconductor switches (41, 42, 43) and a control unit (3), in which-the semiconductor switches (41, 42, 43) each comprise a transistor structure (51) and a diode structure (52), which are electrically connected to each other in an anti-parallel manner,-the semiconductor switches (41, 42, 43) are arranged in a first branch (21) and a second branch (22), the first branch is a series connection of the first semiconductor switches (41, 43) and the second branch is a series connection of the second semiconductor switches (42), the first branch (21) and the second branch (22) being electrically connected in parallel, and-in the case that a defective semiconductor switch (43) of the first semiconductor switches (41, 43) is in a short-circuit failure mode,-the first semiconductor switches (41, 43) of the first semiconductor switches (41, 43) of the second semiconductor switches (42) of the second semiconductor switches (42) are electrically connected in parallel. The control unit (3) switches on the remaining operating semiconductor switches (41) of the first semiconductor switches (41, 43) during the phase of the reverse current flow direction.

The utility model provides an anti-misoperation electrical switch locking device, which relates to the technical field of electrical switch locking and comprises a locking hole, one side of the locking hole is provided with a locking fixing seat for mounting and fixing an electrical switch, the locking fixing seat is internally provided with a movable seat for position adjustment, and the movable seat is provided with a locking hole. And a locking block capable of performing reciprocating motion is fixedly mounted in the movable seat. The electric switch locking device has the advantages that the movable seat and the locking block which can be movably adjusted are arranged in the locking fixed seat connected with the electric switch, so that the movable seat and the locking block can drive the locking rod for locking the electric switch to move in a certain area of a plane; and the position of the locking rod can be adjusted according to different locking positions of different electrical switches, so that the locking device can adapt to more different types of electrical switches, the adaptation range of the locking device is widened, and the application convenience of the locking device is improved.

The invention discloses an electrical switch cabinet with a detachable heat dissipation mechanism, and relates to the technical field of electrical equipment, and the electrical switch cabinet comprises an electrical switch cabinet body which is used for the installation and fixation of electrical components; the heat dissipation assembly is installed in the electrical switch cabinet body and used for conducting air cooling heat dissipation on the interior of the electrical switch cabinet body, and the heat dissipation assembly comprises a splice plate; the filtering assembly is installed on the rear side of the electrical switch cabinet body and used for conducting inlet air filtering on the heat dissipation assembly; the fixing assemblies are distributed on the two sides of the splice plate in an array mode and used for rapidly fixing the heat dissipation assembly. According to the invention, the rapid dismounting and mounting effect and efficiency of the heat dissipation assembly can be improved through the fixing assembly and the locking assembly, so that the heat dissipation assembly can be rapidly dismounted and mounted, and floating dust and water molecules in convection gas during air cooling can be filtered and isolated; therefore, the service life of the heat dissipation assembly is guaranteed.

The invention provides a static contact of an electric switch, which at least comprises a conductive connecting piece, a contact point and a conductive body, the contact point is welded on the conductive body or the conductive connecting piece, the conductive body and the conductive connecting piece are arranged in a split or integrated manner, and the contact point is welded on the conductive body or the conductive connecting piece based on the total volume of the conductive body. The volume ratio of the conductor made of the iron material in the conductor is 30%-100%, or the material of the conductor at least contains more than 30% of the iron material in volume ratio. The invention also provides an electromagnetic release comprising the static contact. The invention relates to a static contact of an electric switch, which is applied to the electric switch, because an electric conductor containing an iron material is arranged in a main loop, part of arc energy is consumed on the iron material when the electric switch is switched off by utilizing the positive temperature coefficient characteristic of the iron material, so that the current limiting coefficient of the electric switch is reduced; the current limiting performance of the electrical switch can be improved.

The present application discloses a locking device and a method for using the same. The locking device includes a moving contact assembly and a locking assembly. The moving contact assembly includes a locking rod. The locking end of the locking rod is provided with a concave groove. The locking assembly includes a locking shaft, a release member, and a locking base. The locking shaft is rotatable along the Y axis and is arranged in the locking base. The locking shaft is provided with a release member. The locking base is provided with an X-direction guide hole. The locking shaft is provided with a half-shaft located in the guide hole. The locking end of the locking rod extends into the guide hole. The concave groove in the locking position engages with the half-shaft lock, and the concave groove in the unlocking position disengages from the half-shaft. The method of use adopts the above-mentioned locking device. The beneficial effects of the present application are: it can achieve mechanical retention of the closing of the electrical switch, improve the closing reliability, and reduce the complexity of the opening control. A double tripping lever is provided to achieve symmetrical redundancy of the tripping and opening of the electrical switch. The locking device achieves opening by tripping. When applied to an electrical switch, it can achieve rapid and reliable opening.

An electrical switch (1) for a load tap changer (2), the electrical switch (1) comprising: at least three electrical contacts (3a, 3b, 3c) connected to respective electrical conductors (4a, 4b, 4c); a switching device (5) configured to be movable between a plurality of positions (P1, P2), wherein the switching device (5) in each respective position (P1, P2) physically contacts a respective combination (C1, C2) of the electrical contacts (3a, 3b, 3c) to provide electrical contact between the electrical contacts in each respective combination (C1, C2) of electrical contacts (3a, 3b, 3c); a gas-tight sealed housing (6) providing an inner space (7) enclosing the electrical contacts (3a, 3b, 3c) and the switching device (5), the electrical conductors (4a, 4b, 4c) extending from the electrical contacts (3a, 3b, 3c) inside the inner space (7) of the housing (6) to outside the housing (6); and a control device (10) configured to control movement of the switching device (5). The inner space (7) is under vacuum or filled with arc suppressing gas. The control device (10) comprises an operating member (8) extending from outside the housing (6) into the inner space (7) of the housing (6), the operating member being operatively connected to the switching device (5) such that the operating member (8) is able to move the switching device (5) to the plurality of positions (P1, P2) depending on the position of the operating member (8). Further, the operating member (8) comprises an arm (9) rotatably attached to the housing (6) for rotation about an axis of rotation (11), wherein the switching device (5) is attached to an end portion of the arm such that the switching device (5) is movable along an arcuate path between the plurality of positions.

The utility model provides an elevator safety circuit teaching training box, which comprises a box body, a cover body, a bearing piece, a circuit board, an emergency stop switch and a limit switch, and is characterized in that the box body is internally provided with a first accommodating cavity; the cover body is rotationally connected to the box body, and a second containing cavity is formed in the cover body; the bearing piece is arranged in the first containing cavity and provided with a plurality of containing grooves. The circuit board is arranged in the second accommodating cavity and is provided with a safety loop line; the emergency stop switch is arranged in the containing groove and electrically connected to the circuit board. The limit switch is arranged in the containing groove and electrically connected to the circuit board. According to the elevator safety circuit teaching practical training box of the utility model, the circuit board is provided with the elevator safety circuit line, and therefore, connection of electrical switches at all positions of the elevator safety circuit can be simulated, and students can be helped to understand the composition and position layout of the elevator safety circuit electrical circuit; and knowledge contents such as maintenance and replacement can be known through the electrical switch, so that the teaching pertinence is better, the use is more convenient, and the teaching effect is better.

Bottom bracket housing (1) for a bicycle (4) driven exclusively by muscle power via pedals (2) on a bottom bracket shaft (3), comprising a first housing area (6) for receiving the bottom bracket shaft (3) and a bottom bracket gearbox (5) connected to a drive wheel and a second housing area (7) for receiving a power supply for an electrical switching actuator for realizing different gear ratios in the bottom bracket gearbox (5), characterized in that the power supply comprises at least one energy storage device (8) with charging electronics (9) and a generator (10) for recuperation.

The utility model discloses a dual power supply electrical switch cabinet, which comprises a box body, a motor and a mounting seat, a rotating plate is mounted on the outer side wall of the box body through a hinge, a first lead and a second lead are distributed in the inner cavity of the box body, the first lead is connected with the inner side wall of the box body through a first fixing frame, and the second lead is connected with the inner side wall of the box body through a second fixing frame. The second wire is connected with the inner side wall of the box body through a second fixing frame, and the first wire is in contact with the end part of the second wire; the motor is installed at the bottom of the inner cavity of the box body, the ends of the two independent wires make contact with each other in the box body, the rotating rod can make contact with the first wire, and when internal electric appliance elements or insulation skins of the box body are damaged and electric leakage occurs, the motor can drive the rotating rod to rotate to impact the first wire, so that the first wire is prevented from being damaged. Therefore, the end part of the first wire is separated from the end part of the second wire, so that the power failure of each circuit and electrical element in the box body is realized, and the use safety of the dual-power-supply electrical switch cabinet is improved.

The utility model relates to an extensible safety protection device which comprises a protection plate, a movable clamping plate, a fixed clamping plate, a limiting tongue plate and a warning baffle, and the upper side and the lower side of the protection plate are connected with the movable clamping plate and the fixed clamping plate to form a U-shaped clamp capable of shielding a handle of an electrical switch. The movable clamping plate can move up and down relative to the fixed clamping plate and clamp the front side of the electrical switch, the limiting tongue plate is fixed to the protection plate and located in the U-shaped clamp to limit movement of a handle of the electrical switch, and a sliding groove extending in the left-right direction is formed in the protection plate. The warning baffle is arranged in the sliding groove and can slide out of the sliding groove leftwards or rightwards so as to provide shielding and anti-error warning for the electrical switches which are arranged side by side, and a warning slogan is arranged on the front side face of the warning baffle. The anti-misoperation device has the advantages that the protection range of the anti-misoperation device can be expanded by pulling out the warning baffle, so that one anti-misoperation device does not need to be clamped on each electrical switch, the number of the anti-misoperation devices carried and installed by a maintainer is reduced, and inconvenience caused by carrying a large number of the anti-misoperation devices and mounting and dismounting is avoided.

The utility model discloses a dual-purpose and one-standby electrical switching cabinet for a high-voltage frequency converter. The dual-purpose and one-standby electrical switching cabinet comprises a first wire inlet cabinet, a second wire inlet cabinet, a first switching cabinet, an inverter group and a second switching cabinet, the first wire inlet cabinet is connected with the first switching cabinet; the second wire inlet cabinet is connected with the first switching cabinet; the output side of the first switching cabinet is connected with the inverter group; the output side of the inverter group is connected with the second switching cabinet; the output side of the second switching cabinet is connected with the first dust removal fan and the second dust removal fan. According to the utility model, by adopting a dual-purpose and one-standby electrical switching scheme, when one frequency converter breaks down, the frequency converter can be rapidly switched to the standby frequency converter, so that the continuous operation of the dust removal system is ensured, and the reliability and the stability of the system are improved.

The utility model discloses a bidirectional clutch mechanism for an electrical switch and the electrical switch, which can accurately limit the rotation of an inner gear ring in the opposite direction relative to a clutch turntable through the linkage action of locking assemblies arranged on the two sides of the inner gear ring and the clutch turntable, and does not limit the rotation of the inner gear ring in the same direction. The bidirectional clutch mechanism can support electric switching-on and switching-off of the electrical switch and also support manual switching-on and switching-off operation in a limited space, so that the continuously improved requirement of a power system on the switching-on and switching-off control of a circuit is met, and the operation flexibility and adaptability of the electrical switch are improved; the transmission mode has the advantages of being accurate in transmission ratio, large in bearing capacity and stable in work, in the electric and manual operation process, power and motion can be accurately transmitted through the meshing relation between the gears, energy loss and transmission errors are reduced, and the transmission efficiency is improved. And the accuracy and reliability of the opening and closing operation of the electrical switch are further improved.

The invention relates to the technical field of electrical switch cabinets, in particular to a compact high-voltage switch cabinet which is characterized in that the bottom of a bearing frame is integrated with an external box transformer substation bottom frame, and a plurality of sealing plates are detachably arranged on the peripheral side faces and the top of the bearing frame; the vacuum circuit breaker unit is arranged in a front side area in the bearing frame, the primary element unit is arranged in a rear side area in the bearing frame, the instrument chamber unit is arranged in a side edge area in the bearing frame, and the voltage transformer unit is arranged in a bottom area. The front side area, the rear side area, the side edge area and the bottom area of the bearing frame structure are functionally partitioned, all units are independently arranged, the internal space utilization rate is remarkably increased, and mutual interference among elements is reduced. And the sealing plate adopts a detachable and split structure, so that the maintenance is more convenient, and the safety is higher. The bearing frame is integrated with the box-type transformer substation bottom frame, so that the overall structure is more compact, the occupied area is smaller, and the box-type transformer substation is suitable for various compact power distribution scenes.

1. Name of the designed product: electrical switch. 2. Use of the designed product: for controlling electrical equipment. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.