1578 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 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.

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 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.

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 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 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 invention discloses a construction data management system and method for intelligent building mechanical and electrical installation, and relates to the technical field of intelligent construction, and the method comprises the steps: collecting the multi-source data of a construction site, carrying out the real-time analysis and matching, recognizing a disturbance event, and associating to a corresponding component of a BIM model and a construction plan target process; extracting resource information, calculating the influence of disturbance on subsequent processes, and generating a coupled digital twinborn model; progress and resource deviation analysis is carried out, the construction scheme change influence is simulated, and a comprehensive deviation report is output; calling a knowledge base historical scheme, generating a correction scheme in combination with a current resource state, simulating an implementation effect, and executing after examination and approval; and monitoring the execution of the correction scheme in real time, comparing the actual progress, updating the knowledge base and the BIM model, and forming reusable experience entries.

The invention belongs to the field of building construction measurement, and particularly relates to a green building mechanical and electrical installation construction positioning measurement device. The first-stage positioning mechanism is used for locking the specific positions of preset holes in a drilling path and measuring the distance between the holes, and the second-stage positioning mechanism is used for projecting cross light on the drilling path to calibrate the holes. The first-stage positioning mechanism and the second-stage positioning mechanism are provided with a first supporting part and a second supporting part respectively, and the second-stage positioning mechanism is provided with a connecting disc. The first-stage positioning mechanism comprises a first mounting base arranged on the upper side of the connecting disc. The assembly type design of the first-stage positioning mechanism and the second-stage positioning mechanism is adopted, and the first-stage positioning mechanism and the second-stage positioning mechanism can be used in cooperation and can also be used independently. The first-stage positioning mechanism is used for hole spacing measurement, the second-stage positioning mechanism is used for projecting cross light to calibrate a drilling path, functions are complementary, adaptability is high, and different measurement requirements in electromechanical equipment installation can be met.

A method and insulation monitoring arrangement for insulation monitoring of an electric installation operated using a supply direct voltage and has a first insulation resistance between the positive active conductor and ground and a second insulation resistance between the negative active conductor and ground as well as a functional grounding between the negative active conductor and ground by a ground resistance. The method involves measuring a ground current, which flows in the path of the functional grounding, by means of a DC measuring device; measuring the supply direct voltage by means of a voltage measuring device; computing the first insulation resistance from the supply direct voltage divided by the ground current by means of a computing unit; the condition is valid during operation of the electric installation that the second insulation resistance being at least 100 times greater than the ground resistance.

Electrical installations and methods for their installation and use. Such an installation includes an electrical box, an electrical distribution unit associated with the box, an electrical component (for example, an outlet, switch, light bulb, or connected wiring), and an electrical connector for coupling wires to the electrical distribution unit through a wall of the box. The electrical distribution unit allows the wires to be electrically coupled with connectors of the electrical distribution unit and the electrical component to engage the connectors within the box. The installation and its box are intended to provide the same or similar functionality as existing electrical boxes for outlets, switches, and junction boxes while eliminating the requirement to route electrical wires through and into the interior of the box itself, as such wires are replaced by the electrical distribution unit into which the wires and electrical component are plugged.

The present invention belongs to the technical field of medical devices, and in particular to a blood pressure monitor, comprising a base, a sleeve for being put on an arm, a blood pressure cuff arranged in the inner cavity of the sleeve, and a protective film supplying mechanism arranged in the electrical installation cavity and used for supplying a protective film to the C-shaped cavity inside the blood pressure cuff, and a protective film spreading mechanism arranged on one side of the sleeve and used for stretching the protective film from the protective film supplying mechanism in the C-shaped cavity to form a recess; the sleeve comprises a lower half shell and an upper half shell which are enclosed to form a cylindrical structure, both the upper half shell and the lower half shell are longitudinally rotatably connected to the base, and a winding mechanism for winding the end of the protective film is provided in the upper half shell; the present invention can realize continuous protective film replacement operation through the cooperation of the protective film supplying mechanism, the protective film spreading mechanism and the openable upper half shell, and a new protective film part can be replaced for each use, which greatly reduces the risk of infection between each patient.

The invention relates to the technical field of detection, discloses a building material electromechanical installation fault detection device and method, and solves the problems that an electromechanical equipment rack may be composed of a plate or a rod piece, and the rod piece cannot be directly adsorbed through an adsorption mechanism. A plurality of suction cups are fixedly connected to one side, far away from the detection main body, of the adsorption shell; a plurality of air holes matched with the suction cups are formed in the inner wall of the adsorption shell; the adsorption shells are provided with negative pressure mechanisms matched with the suction cups, the sides, close to each other, of the two adsorption shells are each provided with two clamping plates, and the adsorption shells are provided with overturning structures matched with the clamping plates. The two sides of the detection body are fixedly connected with control shells correspondingly. And the detection main body can be mounted on different electromechanical devices according to actual requirements, so that the application range is widened, and continuous detection of faults of the electromechanical devices is realized.

The present application provides a carbon material, a method for preparing the same, and a secondary battery and an electrical device comprising the same. The carbon material includes a pore structure, wherein the carbon material has 3R and 2H phases and satisfies 0<I3R(101) / I2H(004)≤0.100, in which I3R(101) is the diffraction peak intensity of 101 crystallographic plane of the 3R phase in the X-ray diffraction pattern of the carbon material, and I2H(004) is the diffraction peak intensity of 004 crystallographic plane of the 2H phase in the X-ray diffraction pattern of the carbon material. The carbon material provided in the present application can make the secondary battery have high initial columbic efficiency and also good cycling and dynamic performances.

The invention discloses a high-strength sealing metal plate welding structure battery box of a new energy storage system, and relates to the technical field of energy storage equipment, the high-strength sealing metal plate welding structure battery box comprises a battery box main body, four side edges of the battery box main body are semi-enclosed tubular structures, and the tubular structures and the battery box main body are integrally formed; an inward concave boss is arranged at the bottom of the battery box main body, the boss and the battery box main body are integrally formed, an electrical mounting plate is fixed on the inner wall of the front side of the battery box main body, a front module rib plate and a rear module rib plate are fixed in the battery box main body, and the boss is positioned between the front module rib plate and the rear module rib plate. According to the battery box body, the tubular structure is arranged, so that the battery box body has relatively high torsion resistance and bending resistance, and the tubular structure and the battery box body are integrally formed, so that the battery box body has relatively good sealing performance, the internal space of the battery box body can be more effectively utilized, and the grouping efficiency and the mass specific energy of the battery box body are greatly improved.

A box body, a battery, and an electrical device, the box body comprising a main box body and a separator. Through holes are formed on the main box body, and the separator is arranged in the main box body and blocks the through holes. The separator is configured to be melted through when thermal runaway occurs in a battery cell. In the embodiments of the present application, the separator can block the through holes, such that the inside and outside of the main box body are not in communication, and impurities such as metal particles outside of the main box body cannot enter the main box body from the through holes, thereby reducing the probability of insulation failure caused by metal particles outside of the main box body entering the main box body.