2061 results about "Electrical installation" patented technology

The invention discloses a BIM-based electromechanical installation project progress planning and resource scheduling method and system, and belongs to the technical field of intelligent construction. The method comprises the following steps: 1) collecting multi-dimensional parameters (real-time construction parameters, prediction model parameters and external constraint parameters) in construction in a classified manner, and constructing a dynamic knowledge graph; 2) detecting progress and resource deviation based on a preset threshold value of the BIM model, and dynamically correcting a resource demand curve through the model; 3) in combination with constraint conditions such as policies and weather, optimizing an equipment scheduling path by adopting an algorithm, and screening compliance candidate schemes; 4) performing multi-objective optimization (minimizing progress deviation, maximizing resource utilization rate and controlling supply chain risk) on the scheme by using a genetic algorithm, and verifying through simulation iteration; and 5) outputting the optimal scheme and synchronizing the optimal scheme to a visual interface. According to the invention, real-time closed loop of data is realized through hardware-algorithm cooperation, and an efficient, dynamic and extensible intelligent management scheme is provided for electromechanical engineering.

A power machine can include a frame, a lift arm, and one or more electrical devices for control of one or more work elements. An electrical tilt actuator can be secured to the lift arm to change an attitude of an implement carrier, an electrical lift actuator can be secured to the frame to raise and lower a lift arm, an electrical drive motor can be mounted to a track frame to move a track, or a battery assembly and electrical control module can be secured to the frame, including rearward of an operator station.

A mirror assembly that includes a mirror having one or more box openings, a frame shaped to correspond to the shape of the mirror, a wire management assembly and a power supply assembly. The wire management assembly has one or more electrical boxes that are secured to the frame and positioned adjacent to the one or more corresponding box openings in the mirror. The wire management assembly also has at least one raceway that extends between the one or more electrical boxes and the frame. The wire management assembly provides electrical wires between the power supply assembly and one or more electrical fixtures attached to the one or more electrical boxes so that the one or more electrical fixtures are on a face side of the mirror. The power supply assembly provides electrical power to the one or more electrical fixtures.

The invention belongs to the technical field of electrochemical energy storage, and provides an immersed energy storage system and a thermal management method thereof, the immersed energy storage system comprises a sealed cabin, a battery module, an immersion liquid, a liquid cooling unit, a cooling liquid, a liquid cooling pipeline, a temperature sensor, an electrical device and a thermal management controller; the non-conductive immersion liquid with the conductivity smaller than 10 <-6 > S / m and the flash point larger than 200 DEG C is adopted to completely wrap the battery module, it is ensured that the energy storage battery cells are located in the same temperature physical environment, the temperature consistency of the system is greatly improved, the problem of uneven heat dissipation is fundamentally solved, the service life of the energy storage cabinet is directly prolonged, the immersion liquid has the flame-retardant characteristic, and the service life of the energy storage cabinet is prolonged. Thermal runaway of a battery cell can be effectively restrained, fire and explosion risks are reduced from the source, system operation safety is guaranteed, meanwhile, the type selection standard of cooling liquid is defined, the design of a sealed cabin is optimized, the heat exchange efficiency is improved through a double-circulation branch of a liquid cooling unit, the key bottleneck of an immersed cooling technology in energy storage system integration is thoroughly solved, and the energy storage system integration efficiency is improved. And full landing of technical advantages is realized.

The invention belongs to the technical field of electrical equipment fault monitoring, and discloses a fault monitoring system for electromechanical installation engineering, which comprises a high-impedance fault identification module, extracts nonlinear harmonic features through current signals, constructs a frequency domain-time domain joint feature set in combination with space-time magnetic distortion in an electromechanical installation process, and performs fault identification on the nonlinear harmonic features through the high-impedance fault identification module. Non-linear characteristic response identification of the high-impedance fault is carried out, and a high-impedance fault characterization result is output; the transient fault capturing module is used for positioning a risk time window according to a high-impedance fault characterization result, and identifying the starting and ending boundaries of an electrical disturbance behavior in combination with a double-threshold mutation mechanism; synchronously extracting corresponding operation condition parameters, constructing a short-time process behavior model taking electrical disturbance as a source, and outputting a transient disturbance sequence; and the sensitivity of fault identification, the accuracy of positioning and the real-time performance of diagnosis are integrally improved.

The invention discloses a thermal power energy storage combined frequency modulation control method and system, and belongs to the technical field of power system frequency modulation control, and the method comprises the steps: S1, carrying out the cooperative control through a DCS, an electrical RTU, and a PMU device, and collecting data in real time; s2, establishing an EMS system, performing real-time monitoring on operation parameters, and performing energy storage available capacity evaluation; s3, judging whether the unit is in an AGC automatic control mode or not, if so, calculating a power deviation value actually sent by the unit, and generating an energy storage system dynamic compensation instruction, otherwise, returning to S1; s4, executing an energy storage system dynamic compensation instruction, and implementing a cooperative control strategy by adopting a hybrid energy storage architecture formed by a super capacitor and a lithium iron phosphate battery; s5, executing the charging and discharging power instruction through the power conversion system, and configuring an electric core level over-charging and over-discharging protection mechanism; and S6, judging whether a primary frequency modulation action signal of the power grid is detected or not, if so, immediately terminating the response of the energy storage system to the power grid AGC instruction and maintaining the current power output state, and if not, returning to S3.

The invention discloses a method and equipment for determining a wiring state and a storage medium. The method comprises the following steps: receiving target image data containing image information at a wiring position, performing target detection and feature extraction processing on the target image data, automatically identifying a connecting element (a first target) and an identifier (a second target) thereof in an image, and simultaneously extracting an appearance visual feature (a first feature) of the connecting element and an identification code feature (a second feature) of the identifier; and performing topology construction processing based on the obtained target and characteristics to generate topological graph data capable of accurately representing the connection relationship of the electrical devices. And finally, comparing the topological graph data with a preset standard wiring template topological graph, and automatically generating judgment information for indicating whether the wiring connection state is correct or not according to a topological matching result. Therefore, misjudgment caused by artificial fatigue, negligence and experience difference is effectively avoided.

The utility model belongs to the technical field of control cabinet equipment, particularly relates to an electrical control cabinet, and aims to solve the problem that space in an existing cabinet body is wasted in use, the electrical control cabinet comprises a base and a cabinet body fixedly installed above the base, a ventilation groove is formed in the top of the base, and the ventilation groove is communicated with the cabinet body. The inner wall of one side of the ventilation groove is provided with a fixing hole, a second shutter is fixedly installed in the fixing hole, the electrical control cabinet further comprises a cabinet body door, the cabinet body door is hinged to one side of the opening of the cabinet body, the cabinet body door is used for sealing the cabinet body, the heat dissipation fan is used for exhausting air in the cabinet body, air flow in the cabinet body is accelerated, and the electrical installation mechanisms are arranged in the cabinet body. The heat dissipation effect can be achieved, the installation number of electrical components is increased by arranging the multiple sliding rails and the installation frame, the utilization rate of the space in the cabinet body can be improved, the installation frame can be pulled out through the sliding rail assembly, and checking is convenient when the electrical components need to be overhauled.

Device for supplying electric power to at least one electrical energy-consuming unit or to at least one electrical energy-supplying unit or to at least one electrical energy-consuming and -supplying unit of an electrical installation, the device including a plurality of electrical energy generators, each generator of the plurality being connected electrically in parallel with the other generators, each generator including a computing unit, a power converter and an electrical energy storage and supply element, the power converter of a generator being bidirectional and configured so as to supervise a value of a setting variable on the basis of an electric charging or discharging power of the storage element of said generator, the electric charging or discharging power being calculated in real time by the computing unit on the basis: —of a function of the values of the setting variables of the electric charging or discharging power of each of the storage and supply elements of the other generators; and —of a determined setpoint power; and —of a number of generators that are in a determined operating state, the sum of the electric charging or discharging powers of each storage element of each generator of the plurality being equal to the determined setpoint electric power.

The invention discloses a building electrical installation measurement method. The method comprises the following steps: S1, placing end points: respectively placing a bearing bottom plate and an inserting bottom plate in a winding correction mechanism and a traction positioning mechanism at two ends of a straight line to be measured; s2, drawing the tape, namely driving the tape to be drawn and extended by utilizing the movement of the insertion bottom plate; and S3, tape correction: the threaded rod is rotated to pull the cambered surface pressing plate to enable the guide cylinder to descend, and the rectangular guide frame is driven to rotate to be in the same plane with the tape. According to the building electrical installation measurement method, a rolling correction mechanism and a traction positioning mechanism are used in a combined manner, and through the arrangement of the two mechanisms, when a plug-in bottom plate is pulled out and placed to an end point, a tape can be in an inclined state with the same gradient by utilizing linkage between the structures, so that the measurement accuracy is improved, and the measurement precision is improved. And meanwhile, the laser lamp rotates by utilizing the linkage rotating plate, so that the projected laser can directly irradiate the correction plate to complete line correction of the inclined plane.

The present disclosure discloses an explosion-proof housing and an electrical device. The explosion-proof housing includes a first housing body, a second housing body, a fastener, and a limit member. The first housing body has a first mounting hole. The second housing body covers the first housing body and has a second mounting hole. The fastener passes through the first mounting hole and the second mounting hole to connect the first housing body to the second housing body. The limit member is disposed between the first mounting hole and the fastener and has a first state and a second state. In the first state, the limit member is adapted to limit a limit head of the fastener outside the first mounting hole. In the second state, at least part of the limit member is disengaged from the limit head to allow the limit head to enter into the first mounting hole.

The utility model provides an electrical device with a switch panel, which comprises a key assembly, a mounting seat and a switch assembly, the key assembly comprises a key piece and a supporting seat, the key piece comprises a pressing body, the pressing body is provided with a pressing part, the key body is rotatably connected to the supporting seat, and the mounting seat is arranged on one side of the supporting seat away from the key body. One of the mounting seat and the supporting seat is provided with a connecting hole, the other one of the mounting seat and the supporting seat is provided with a connecting column, the connecting column is fixed in the connecting hole, so that the mounting seat is non-detachably connected to the supporting seat, the switch assembly is mounted on the mounting seat, and the key piece moves close to or away from the switch assembly in response to the pressing of the pressing part, so that the on-off state of the switch assembly is switched. The electrical device with the switch panel provided by the utility model is beneficial to reducing the failure of a product and improving the use safety of the product.

System for the automatic handling of components (7), each having a mechanical interface (70) for fastening the component (7) to a support rail (81) of the electrical installation technology, in an assembly process for mounting the components (7) on the support rail (81), wherein the components (7) are provided in a component storage area (6), having the following features: a) at least one industrial robot (1, 1a, 1b) with at least one robot arm (10), b) at least one camera (2) for detecting the components (7) in the component storage area (6), c) a control system (3), d) wherein the controller (3) is configured to carry out the following steps: d1) recording and evaluating one or more images of the component storage area (6) by means of the at least one camera (2), d2) comparing the image data of the at least one camera (2) with comparison data assigned to a respective component (7), with which the components (7) present in the component storage area (6) are specified in terms of data, d3) identifying at least one individual component (7) in the component storage area (6) based on the comparison in step d2), d4) controlling the at least one industrial robot (1, 1a, 1b) in such a way that the individual component (7) identified in the image data is removed from the component storage area (6) by means of the at least one robot arm (10) and transported by means of the at least one robot arm (10), d5) controlling the at least one industrial robot (1, 1a, 1b) such that the component (7) with its mechanical interface (70) is mounted on the support rail (81).

The embodiment of the invention relates to the technical field of electric power installation, and provides an electric power stay wire fitting which comprises a stay wire frame, two wire clamping positioning assemblies, a wire winding rod, a traction positioning assembly and a wire penetrating assembly, two stay wire sliding rods are detachably arranged on the stay wire frame in parallel, and a stay wire assembly moving in one direction is arranged between the two stay wire sliding rods in a sliding mode. The wire pulling assembly is used for pulling a steel strand, the two wire clamping and positioning assemblies have self-locking functions, are symmetrically arranged on the wire pulling assembly and are used for fixing the steel strand, the wire winding rod is rotationally arranged in the wire pulling assembly through the wire winding and positioning assembly, and a plurality of wire winding movable rods are arranged on the wire winding rod. The wire winding movable rod is located between the two wire clamping and positioning assemblies in the wire pulling assembly and used for bending the dispersed steel strands. By means of the technical scheme, the problems that in the prior art, when an electric power stay wire fitting conducts stay wire operation on a steel strand, the contact face is small, and the stay wire is prone to loosening are solved.

The invention relates to the field of intelligent detection, and particularly discloses an intelligent detection system for a safe electrical device, which adopts a neural network model based on deep learning to process real-time operation state parameters of monitored electrical equipment and various state parameters marked as fault states. According to the method, the time domain correlation characteristics of the equipment state multi-modal parameters of the electrical equipment in the real-time operation state and various fault states are extracted respectively, and the real-time state parameter characteristics and the fault state parameter characteristics of the electrical equipment are further inquired, matched and analyzed, so that whether the state of the monitored electrical equipment is abnormal or not is intelligently identified.

An electrical device of a rotational device for a human-powered vehicle comprises an electronic controller. The electronic controller is configured to operate with first power consumption in a first state and configured to operate with second power consumption lower than the first power consumption in a second state. The electronic controller is configured to change a state of the electrical device from the first state to the second state in a case where a first sleep condition is met for a first sleep determination time in the first state. The electronic controller is configured to change the state of the electrical device from the first state to the second state in a case where a second sleep condition is met for a second sleep determination time in the first state. The second sleep determination time is shorter than the first sleep determination time.

A door system comprises a door frame adapted to be mounted within an opening, a door pivotally attached to the door frame, a power converter such as an AC / DC converter operably associated the door frame, and a DC electric device mounted to the door and electrically connected to the AC / DC converter. The AC / DC converter is configured to be electrically connected to an AC power unit operably associated with the door system.

An electrical device of a rotational device for a human-powered vehicle comprises a wireless communicator and an electronic controller. The wireless communicator is configured to wirelessly communicate with an additional electrical device. The electronic controller is electrically connected to the wireless communicator to wirelessly communicate with the additional electrical device via the wireless communicator. The electronic controller is configured to control the wireless communicator to execute pairing in response to a reverse rotation of the rotational device.

A method for charging or discharging an exchangeable energy store by means of an electrical device includes connecting a first electromechanical interface of the energy store to a further electromechanical interface of the electric device, applying a first measurement signal to a first signal contact or data contact of the further electromechanical interface without a charging or discharging current flowing, detecting a first voltage drop between the first signal contact or data contact and a first power contact of the further electromechanical interface operatively connected to the first signal contact or data contact, applying a charging or discharging current to the power contact of the further electromechanical interface, detecting again a first voltage drop between the first signal contact or data contact and the first power contact of the further electromechanical interface of the electrical device, and calculating a voltage difference between the two detected first voltage drops.

A heat-transfer component defines a thermal-interface surface and has a composite thermal-interface material bonded to the thermal-interface surface. The composite thermal-interface material comprises a particulate filler material dispersed within a metallic carrier material having a solid-to-liquid phase-change temperature between about 60° C. and about 90° C. With a thermal-interface material bonded to the thermal-interface surface, the thermal-contact resistance between the thermal-interface material and the heat-transfer component can be reduced or substantially eliminated compared to conventional thermal-interface materials, including conventional metallic thermal-interface materials. The particulate filler material can have a higher bulk thermal conductivity than that of the metallic carrier material and can be wetted by the metallic carrier material, providing a bulk thermal conductivity of the composite thermal-interface material that is higher than that of the carrier material without the particulate filler material. Also disclosed are electrical devices having a heat generating component cooled by such a heat-transfer component.

The utility model discloses a PIN needle, power module and electronic equipment relates to power module technical field, PIN needle is used for connecting first electrical installation piece, first electrical installation piece includes the mounting hole, PIN needle includes the needle body, at least one end of the needle body is equipped with the plugging portion, the side wall of plugging portion is equipped with the conductive contact structure and the first elastic piece, and the first elastic piece is equipped with the conductive contact structure. The conductive contact structures and the first elastic pieces are distributed at intervals along the length direction of the needle body; according to the PIN, when the inserting part is inserted into the mounting hole, the first elastic piece penetrates through the mounting hole, then pops up and is in limiting fit with the second surface, and the conductive contact structure makes contact with the inner wall of the mounting hole so as to be electrically connected with the first electrical mounting piece. According to the PIN, the first elastic piece penetrates through the mounting hole and then pops up to limit the first electrical mounting piece, and the conductive contact structure is electrically connected with the first electrical mounting piece, so that the PIN can be prevented from falling off, has better resistance to vibration, is convenient to mount and can be detached and replaced.

The invention relates to an electrical installation with at least one arrangement (1) for the touch-proof contacting of busbars, wherein the arrangement (1) has a touch-proof housing (4) made of electrically insulating material in which busbars (2) are received in a touch-proof manner and wherein the touch-proof housing (4) has a receptacle (3) for a base (5) having the busbars (2) as well as a cover (6) closing the receptacles (3) and detachably connected to the base (5) with a flat mounting side (9) for busbar adapters (7).The arrangement (1) further comprises at least one single- or multi-pole busbar adapter (7) for electrically contacting at least one of the power busbars (2), which can be mounted on the flat mounting side (9) and for this purpose extends through the cover (6) via through slots (14) with at least one contact element for electrically contacting one of the power busbars (2) on one side and retaining feet that engage behind the power busbars (2) on the other. The base (5) has at least one tunnel (11) for cable passage, enclosed by a tunnel wall (10), which extends between opposite longitudinal sides (12, 13) of the touch protection housing (4). At least one electrical conductor and / or at least one signal line is routed through the tunnel (11) between the opposite longitudinal sides (12, 13) of the touch protection housing (4).

The invention discloses a reversible electrical installation structure, which belongs to the technical field of electrical installation and comprises an electrical installation plate body, deformable supporting assemblies are arranged at two ends of the electrical installation plate body, and a plurality of deformable brake assemblies are arranged on one side of each deformable supporting assembly. The two ends of the electrical installation plate body are provided with a plurality of third limiting installation holes corresponding to the deformable brake assemblies, and the deformable brake assemblies are connected with the electrical installation plate body through the third limiting installation holes. One side of the electrical installation plate body is provided with a deformable driving assembly used for adjusting the shape of the deformable supporting assembly and the shape of the deformable braking assembly. Through mutual cooperation of multiple structures, multiple fixation is carried out on the electrical installation plate body, so that the electrical installation plate body can be reliably suspended at any position and any posture in the process of overturning the electrical installation plate body by a user, and the user can carry out corresponding construction operation conveniently.

The invention discloses an air conditioner air pipe flange bolt synchronous tightening device, and relates to the field of mechanical and electrical installation, and the technical scheme is that the air conditioner air pipe flange bolt synchronous tightening device comprises a bottom plate, two transverse moving guide rails are fixedly arranged on the bottom plate, a sliding frame is arranged on the transverse moving guide rails in a sliding mode, a fixing frame is further fixedly arranged on the bottom plate, and the upper surface of the fixing frame is flush with the upper surface of the sliding frame; sliding rails are fixedly arranged on the sliding frame and the fixed frame, two sliding blocks are arranged on each sliding rail in a sliding mode, and the two sliding blocks on the same side are connected through a connecting frame; the sliding blocks in sliding connection with the fixing frame are each provided with a set of bolt fastening unit, and the sliding blocks in sliding connection with the sliding frame are each provided with a set of nut fastening unit. The bolt tightening device has the beneficial effects that multiple bolts can be synchronously tightened, compared with traditional manual one-by-one operation, the mounting time is greatly shortened, and the working efficiency is improved by multiple times; the device can adapt to air conditioner air pipe flanges of different specifications and is high in universality.

The invention discloses a BIM-based electromechanical installation resource management and control system, and the system comprises a data sensing layer which integrates a laser radar, an RFID, a UWB and an environment sensor, collects multi-modal data, and forms a total-factor digital twin base data stream after the multi-modal data is preprocessed by a mobile edge computing node; the model fusion layer is used for binding the construction progress with BIM component attributes, dynamically deducing a component-level progress path through an AI algorithm, identifying key path conflicts, integrating ERP resource data to generate a thermodynamic diagram and a cost deviation curve, and automatically detecting pipeline collision, progress lag and cost hyper-branched risks through a rule engine machine learning dual-mode engine; triggering multi-stage early warning and dynamically adjusting a threshold value; the intelligent decision-making layer is used for predicting the progress deviation probability of the future seven days by adopting LSTM, generating a non-tampering deviation correction scheme in combination with a block chain, and realizing hierarchical response through a yellow-orange-red three-level alarm system; and the user interaction layer is used for realizing multi-terminal collaboration and executing verification data feedback through AR glasses, a mobile terminal and a large-screen monitoring center.

Disclosed is a support frame of a CT imaging system, including: a connection flat plate portion; a support body portion disposed on the connection flat plate portion; an X-ray source installation reference portion disposed on the connection flat plate portion; an electrical installation portion; a cooling component installation portion; and a through hole, wherein the through hole is surrounded by the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion, and the through hole penetrates the connection flat plate portion. The connection flat plate portion, the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion are integrally formed.

The floor penetrating sleeve structure comprises an original structural plate, a hole is formed in the original structural plate, a floor penetrating sleeve is arranged in the hole in the original structural plate in a penetrating mode, and a water stop ring connected with the floor penetrating sleeve in a sealed mode is arranged in the middle of the wall of the floor penetrating sleeve in the circumferential direction. The water stop ring is located at the top of the hole and is in sealed connection with the edge of the hole, and the wall of the floor penetrating sleeve is in sealed connection with the inner wall of the hole through a sealing structure. The invention further discloses a construction method of the floor penetrating sleeve structure for post-trepanning construction. The method can be used for quickly and conveniently carrying out post-positioned floor penetrating sleeve construction, and can be widely applied to the field of mechanical and electrical installation of constructional engineering.

The utility model discloses a pneumatic experiment and electrical maintenance integrated experiment table for teaching, which relates to the technical field of teaching experiments and comprises an experiment table. A pneumatic experiment area; and an electrical maintenance area. According to the utility model, the front side and the back side are arranged, the front side is a pneumatic experiment area, a conventional pneumatic experiment can be carried out, and a simulation experiment can be carried out by expanding a mechanical and electrical integrated production pneumatic module which is actually formulated according to enterprise production; according to actual production requirements of enterprises, the power supply module wiring platform, the button control module wiring platform, the PLC control module wiring platform and the relay control module wiring platform are designed on the back surface of the experiment table, and electrical experiment teaching of the modules can be carried out. Installation and debugging of a pneumatic system and installation and maintenance training of an electrical device can be simultaneously met, so that comprehensive skills of students are improved.

The invention discloses a cable erecting device for coal mine mechanical and electrical installation, and belongs to the technical field of cable installation. The device comprises a cart, a storage box, a first hydraulic rod, a first clamp and a second clamp, a control assembly for controlling the second clamp to move is installed on the upper side of the first hydraulic rod, the control assembly comprises an arc-shaped plate fixedly installed on the side wall of the output end of the first hydraulic rod through a first connecting rod, and an arc-shaped groove is formed in the inner side of the arc-shaped plate; sliding blocks are slidably connected into the arc-shaped grooves, sliding plates are fixedly connected to the outer sides of the sliding blocks, and first springs are fixedly connected between the sliding plates and the arc-shaped plates. Under the action of the first hydraulic rod, the second hydraulic rod, the first clamp and the second clamp, the first hydraulic rod is firstly started to drive a cable to a proper height, then the second hydraulic rod is started to drive the cable to a proper position, the cable does not need to be moved manually, time and labor are saved, and the workload of workers is reduced.

The utility model relates to the technical field of electric appliance boxes, and discloses an electric appliance box convenient to disassemble, assemble and overhaul, the electric appliance box comprises a box body, an electric appliance mounting plate and two box doors are slidably connected in the box body through a driving assembly, and the driving assembly comprises a moving groove formed in the bottom wall of the box body and two sliding grooves perpendicular to the moving groove; a driving lead screw is rotationally arranged in the moving groove, the outer side of the driving lead screw is in threaded connection with a moving block, and the moving block is fixedly connected with the electric appliance mounting plate. The moving groove, the sliding groove and the driving groove are formed in the box body, and the driving lead screw, the driven lead screw, the driving bevel gear and the driven rotating shaft are arranged in a matched mode, so that the driving lead screw can be rotated to drive the driven lead screw to rotate, and the box door is opened while the electric appliance mounting plate moves outwards; therefore, the electric device is convenient to disassemble, assemble and overhaul, and the practicability of the device is improved.