945 results about "Electrical switching" patented technology

The invention discloses an electrical switch cabinet detection method based on the Internet of Things, and particularly relates to the technical field of electrical switch cabinets. A sensor is installed inside or outside a switch cabinet, temperature, humidity, current, voltage and gas concentration are collected, data are transmitted to an edge computing node for preprocessing by using a wireless communication technology, the preprocessed data are uploaded to a cloud platform, storage and trend analysis are performed at a cloud end, and the data are analyzed based on big data analysis and an artificial intelligence algorithm. According to the invention, the system can predict potential faults, a user can check the operation state and the prediction result of the equipment in real time through the cloud platform, and carries out the emergency shutdown or equipment scheduling operation remotely according to the early warning information, thereby effectively solving a reliability problem caused by communication interruption or data delay in an existing Internet of Things system, and improving the safety and intelligent level of the monitoring of the switch cabinet.

The invention discloses a standardized electrical switch cabinet detection method based on the Internet of Things, and relates to the technical field of electrical switch cabinet detection, and the method specifically comprises the following steps: obtaining the core information of all abnormal data generated by all sensors in an electrical switch cabinet in real time, and carrying out the analysis after obtaining, evaluating the priority of each abnormal data in the electrical switch cabinet with the high current leakage phenomenon, and dividing each abnormal data into low-priority abnormal data, medium-priority abnormal data and high-priority abnormal data according to an evaluation result; and according to the division result of each abnormal data, constructing an abnormal data hierarchical sorting mechanism, and respectively adopting different sorting and processing measures for low-priority abnormal data, medium-priority abnormal data and high-priority abnormal data. According to the method, the problem of unreasonable priority processing of the abnormal data in a high-current leakage scene is solved, quick response and accurate detection are realized, and the fault processing efficiency and the system reliability are improved.

Embodiments of the invention provide a system and method for housing electrical components of a high-density liquid cooling unit to liquid cool electrical components. The system includes a first electrical cabinet housing at least one electrical switch and a controller. The first electrical cabinet is swingable outward to open, and the first electrical cabinet opens while the high density liquid cooling system continues to operate to liquid cool electrical components. The system includes a second electrical cabinet housing a first motor drive and a second motor drive. The second electrical cabinet is accessible when the first electrical cabinet swings outward. One of the first motor drive and the second motor drive are replaceable while the high density liquid cooling unit continues to operate.

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.

The invention belongs to the technical field of electrical switch detection, and discloses a hot plug test tool which comprises a machine table, a guide mechanism, a lifting table, a first positioning mechanism, a second positioning mechanism and a detection module. The guide mechanism is arranged on the machine table; the lifting table is connected to the guide mechanism and ascends and descends along the guide mechanism; the first positioning mechanism is arranged on the machine table, and the test plug connector is positioned on the first positioning mechanism; the second positioning mechanism is connected to the lifting platform, the switch to be tested is positioned on the second positioning mechanism, and the distance and the relative angle between the first positioning mechanism and the second positioning mechanism are adjustable; the switch to be tested and the test plug connector can be plugged or separated; the detection module is arranged on the second positioning mechanism and electrically connected to the test plug connector, and the detection module can detect the voltage, current and resistance of the to-be-tested switch and the tension and pressure borne by the to-be-tested switch in the plugging and unplugging process. According to the hot plug test tool, the positioning accuracy of the test interface and the switch to be tested can be improved, mechanical damage during plugging is avoided, and the precision of a test result is improved.

The invention relates to the technical field of electrical control cabinet wire arrangement, in particular to an electrical control cabinet facilitating wire arrangement. The electric cabinet comprises an electric cabinet box, an installation device is arranged in the electric cabinet box, a plurality of electric appliance switches are arranged on the installation device, a plurality of wires are connected to the electric appliance switches, the installation device comprises a movable frame, a plurality of branching pieces are arranged on one side of the movable frame, and the wires on the electric appliance switches are arranged in a layered mode through the branching pieces. And meanwhile, in the layered wire arrangement process of the wires, the wire bodies of the wires are positioned. According to the invention, the wires on the electrical switch pass through the wire through port, so that the wires are arranged on the other side of the moving plate, the trouble that the wires and the electrical switch are combined together, so that a plurality of wires are bound together is avoided, and meanwhile, the wires passing through the wire through port are layered through the wire branching piece, so that the plurality of wires are dispersed; when a worker carries out line maintenance, the worker finds the line through the scattered wires.

The utility model discloses a speed governor rope wheel oil sludge cleaning device which comprises an oil sludge box and a sludge scraping plate, the oil sludge box and the sludge scraping plate are both detachably fixed on a speed governor and located below a rope wheel, the sludge scraping plate comprises a sludge scraping part which is parallel to the rope wheel and used for scraping oil sludge, the oil sludge box is used for collecting falling oil sludge, and the oil sludge box is used for collecting the falling oil sludge. The oil sludge box is provided with a concave part in which the sludge scraping plate can be embedded, and the sludge scraping part is positioned above the oil sludge box. And when the oil sludge of the rope wheel overflows to the side edge and the rope wheel rotates to the sludge scraping part, the oil sludge is scraped off by the sludge scraping part and falls into the oil sludge box, so that the oil sludge is convenient to clean. The overflowed oil sludge on the side edge of the rope wheel can be removed in time, the situation that the elevator stops and traps people due to misoperation of an electric switch caused by oil sludge overflow is prevented, the failure rate of the elevator is reduced, in addition, maintenance personnel do not need to regularly clean the oil sludge on the rope wheel of the speed governor, and the workload of the maintenance personnel is greatly reduced.

A battery power system with an alternating current self-heating mode is disclosed. A battery power system includes an inverter connected to a battery pack and a direct current (DC) voltage bus, first and second electrical switches, and a battery controller. The first switch is connected between the inverter and the battery pack and is open during an alternating current (AC) self-heating mode of the battery pack. The mode includes generating, via an inverter, an AC waveform that passes through the battery pack at a controlled amplitude. A second switch connected to the inverter and the first switch is closed during the self-heating mode. The controller, in response to a calibrated entry criterion, opens the first switch, closes the second switch, and controls a conduction state of on / off of the power switch to self-heat the battery pack using the AC waveform. The entry criterion includes a required charging of the battery pack when the temperature of the battery pack is below a calibrated temperature limit.

The invention discloses a mechanism for linkage between an open state of an equipment containing device and an electrical switch, and relates to the technical field of electrical and electromechanical technologies, and the mechanism comprises a switch shaft which is rotatably disposed on the side walls of a box, a box, a cabinet and a housing; the lock hook is arranged in the box, the box, the cabinet and the shell, and one end of the lock hook is fixed at the inner end of the switch shaft; the hook head is mounted at the other end of the lock hook through a hook head rotating shaft, and the hook head rotates around the hook head rotating shaft by a limited angle; the spring is mounted between the lock hook and the hook head; the lock pin is fixed on the inner side of a door or a cover of the box, the box, the cabinet and the shell, and the rotating axis of the lock pin is parallel or vertical to the rotating axis of the hook head; the switch block is fixed to the lock hook and controls the electrical switch to be switched on or switched off in the rotation process of the lock hook. After the switch shaft is rotated to the locking position, the hook head can rotate, so that closing of a door or a cover cannot be hindered, the problem that parts are damaged due to improper use cannot occur, and the problem that linkage between the open state of a box, a box, a cabinet and a shell and an electric switch fails cannot be caused.

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.

According to the device and method for preventing the automobile from being subjected to serial collision, when the automobile is collided in front in the driving process, an automobile collision plate is pressed to physically move backwards, an electric switch is triggered in the backward moving process of the automobile collision plate, and the electric switch is switched on to transmit voltage to a relay; the relay is powered on to transmit voltage to the electric push rod, the electric push rod is powered on to drive the brake pedal to press downwards through the brake cable, equivalently, a driver steps on the brake pedal with the foot, and therefore automobile braking is achieved, chain collision accidents of an automobile are prevented, or damage losses caused by collision are reduced. The method can be used as a main fool-type anti-collision technology for anti-collision of the intelligent automobile in the future and can also be used as a supplement of the current radar and visual anti-collision technology, and the driving safety performance of the automobile needs to be improved by overlapping a plurality of anti-collision technologies for the intelligent automobile in the future.

The utility model discloses an electrical switch cabinet with a monitoring device, which comprises a cabinet body, the side wall of the cabinet body is provided with a ventilation opening, the ventilation opening is provided with an exhaust fan for heat dissipation, the side wall of the cabinet body is movably connected with a first sealing plate and a second sealing plate which are located outside the cabinet body, and the first sealing plate and the second sealing plate can rotate relatively. A driving assembly used for driving the first sealing plate and the second sealing plate to rotate relatively and sealing or opening the ventilation opening is arranged below the ventilation opening, and the driving assembly is arranged on the side wall of the cabinet body and located outside the cabinet body. When heat in the switch cabinet is not high, the exhaust fan stops working, electric energy loss is reduced, the ventilation opening can be sealed, and dust and sundries are prevented from entering the cabinet body to affect normal work of electrical elements.

The utility model provides an electrical switch state warning device and an electrical cabinet, the electrical switch state warning device comprises a lock body and a blocking cover detachably installed on the lock body, the lock body is provided with a slot, and the blocking cover comprises a first insertion tongue and an opening which are respectively arranged on two opposite sides in a first direction of the blocking cover; a handle position is arranged between the first inserting tongue and the opening, the blocking cover is detachably connected with the lock body, and in the first state, the first inserting tongue is matched with the inserting groove; the blocking cover further comprises a second inserting tongue arranged on one side of the blocking cover in the second direction, the second inserting tongue is located on the periphery of the handle position, an included angle is formed between the second direction and the first direction in the circumferential direction of the center of the handle position, and the inserting direction of the second inserting tongue is the same as the inserting direction of the first inserting tongue. The electrical switch state warning device can be switched to a second state, and in the second state, the first insertion tongue is idle, and the second insertion tongue is matched with the insertion groove. The electrical cabinet comprises an electrical switch state warning device installed at a switch handle. On the premise that a blocking cover does not need to be additionally arranged, the device can be used in cooperation with handles located at two different stations.

Systems, apparatuses, and methods are described for electrical switching. In some examples, electrical switching is performed by a plurality of switching arrangements. The plurality of switching arrangements may be connected in parallel to one another.

Electrical wiring devices that incorporate clamp-type wire terminal connections are described. The electrical wiring devices include for example, single and duplex blade-type electrical receptacles, blade-type locking electrical receptacles, single or multi-pole electrical switches, combination switches and blade-type receptacles, blade-type plugs for electrical cords and blade-type connectors for electrical cords. The electrical wiring devices include a plurality of contact assemblies. Each contact assembly includes a wire terminal and a plunger.

A hand holdable light comprises: a light body having a forward portion, and a central or second portion; a light source proximate a forward end; and one or more switch actuators for controlling the light source. A rearward portion may have a non-circular cross-section; the actuators is / are on the forward portion; and the central or second portion may have a recess opposite the actuator. The light is holdable by a hand in several ways wherein a finger or thumb is proximate an actuator. A battery assembly comprises: a battery housing for receiving and connecting a battery; an electrical switch on a first end of the battery housing; and a pattern of electrical contacts on a second end of the battery housing, wherein ones of the electrical contacts are connected to the battery.

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.

A node control method includes: A control node in the processing system deploys a target path group when R target processing nodes include at least one first node group, and controls the R target processing nodes to process R tasks in one-to-one correspondence. The first node group includes two target processing nodes that need to communicate with each other when executing corresponding tasks and that are connected to different first electrical switching nodes. The target path group includes a communication path between target processing nodes in the first node group, and the communication path passes through the first electrical switching node, an optical switching node, and a second electrical switching node.

The utility model discloses an interlocking structure of an isolating switch operating mechanism and a circuit breaker operating mechanism and a circuit breaker, and relates to the field of electrical switches, the interlocking structure of the isolating switch operating mechanism and the circuit breaker operating mechanism comprises a driving pull rod, an isolating rotating shaft and a circuit breaker closing trigger assembly; the isolation rotating shaft is provided with an isolation interlocking crank arm and a closing interlocking crank arm, the driving pull rod is provided with an isolation interlocking pin, and when the driving pull rod is in a closing state, the isolation interlocking pin can prevent the isolation interlocking crank arm from rotating; the circuit breaker closing trigger assembly comprises a closing half shaft and a closing pinch plate, the closing half shaft is perpendicular to the isolation rotating shaft, the closing pinch plate is vertically and fixedly connected with the closing half shaft, the closing pinch plate is used for driving the closing half shaft to trigger a closing action, and when the isolation rotating shaft is in a state between closing and opening, the closing interlocking crank arm can prevent the closing pinch plate from rotating. The problem that the disconnecting switch is burnt due to the improper operation sequence of the circuit breaker and the disconnecting switch can be reduced.

The invention relates to a circuit breaker (12) comprising a busbar (36) to which a fixed contact (42) is connected, and a contact bridge (46) movably mounted thereon, to which a moving contact (48) is connected. The circuit breaker (12) further comprises an electric actuator (84) by means of which the contact bridge (46) is driven, a yoke (124) placed around the busbar (36), and a movably mounted slide (102) to which an armature (120) is connected. The circuit breaker (12) is designed such that when a first limit value is exceeded by an electric current carried via the busbar (36), the slide (102) is moved due to a magnetic interaction between the armature (120) and the yoke (124), so that a switching element (96) connected electrically in series with the electric actuator (84) is actuated by means of the slide (102).

The present invention relates to the field of electrical low-voltage devices, and in particular to a contact system and an electrical switching device comprising same. The contact system comprises a main contact structure and at least one movable contact structure; the main contact structure comprises a main contact; the main contact comprises a main contact portion; the movable contact structure comprises a movable contact; the movable contact comprises a movable contact portion; when the main contact is located at a closed position, the main contact portion and the movable contact portion are connected to enable the main contact and the movable contact to be closed; the movable contact structure further comprises an elastic piece working in conjunction with the movable contact; and in the process of the main contact being disconnected from the movable contact, when the main contact portion drives the movable contact portion to move from an initial position to a disengaged position, the elastic piece stores energy such that the main contact continues to operate, and the elastic piece releases energy to drive the movable contact portion to reset to the initial position. The contact system and the electrical switching device have high breaking capacity.

The invention discloses a multi-feature coupled energy storage thermal runaway monitoring and disposal method, which relates to the technical field of batteries, and comprises the following steps: approximately representing the internal temperature change gradient of a battery by using radial finite difference, and constructing a one-dimensional thermal model of the battery based on a thermal balance principle; based on the influence of battery aging on the actual capacity and ohmic internal resistance of the battery as evaluation indexes, constructing a double-index aging model of the battery; combining the one-dimensional thermal model and the double-index aging model of the battery to construct a multi-feature coupling model; selecting a particle swarm optimization algorithm to optimize model parameters of the multi-feature coupling model; designing a thermal runaway early warning method; when the monitoring system detects that the battery has a thermal runaway risk, linkage control of the fire extinguishing system is triggered immediately, and meanwhile, the electrical switch cuts off a battery circuit. Characteristic parameters required by thermal runaway early warning are calculated or estimated more accurately through the multi-characteristic coupling model, and the reliability of thermal runaway early warning is ensured.

Systems, apparatuses, and methods are described for electrical switching. In some examples. electrical switching is performed by a plurality of switching arrangements. The plurality of switching arrangements may be connected in parallel to one another.

A switching contact assembly for an electrical switching element includes a contact bridge, a base, and a spring assembly. The contact bridge is attached to the base with the spring assembly between the contact bridge and the base. The contact bridge attached to the base is resilient in a direction opposite a switching direction.

Provided are a switching method and system for a motor (170) of a circulating water pump (152) of a nuclear power plant. The method (300) comprises: on the basis of a change of electromagnetic field energy conducted by a first predetermined conductor on an input side of a motor (170) of a circulating water pump (152), determining whether to generate a switching command for the motor (170) (S302); in response to detecting a generated switching command, acquiring a voltage or current waveform of the motor (170) side and a voltage or current waveform of a grid (162) side, the voltage of the motor (170) side being a superposed voltage of a residual voltage of the motor (170) and an induced electromotive force generated by the motor (170) (S304); at least on the basis of comparison between the voltage waveform of the motor (170) side and the voltage waveform of the grid (162) side, determining an action time of the switching command (S306); and, in response to the determined action time being reached, switching to direct power supply from the grid (162) to the motor (170) (S310). Thus, the present invention can accurately determine a time for performing electrical switching on the motor (170) of the circulating water pump (152), thus significantly improving the success rate of switching.

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.