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76 results about "Remote power" patented technology

Plasterboard finishing tools

An apparatus for use in drywall plastering, and more specifically for applying a pumpable finishing compound to a surface, is disclosed. The apparatus comprises a receptacle for storing the pumpable compound, an applicator for applying the compound to a surface or feature to which the compound is to be applied, a pump for pumping the compound from the receptacle to the applicator for application to the surface or feature, an electric motor which drives the pump, a battery that powers the electric motor, and a conduit through which the compound is pumped from the receptacle to the applicator, and the receptacle, pump, motor and battery of the apparatus may be able to be worn by a user, or carried on a part of the user's body, while the apparatus is in use for applying the compound to the surface or feature. The apparatus is self-contained and self-powered, and it can consequently operate in an “untethered” manner in the sense that it does not require any power cables extending from the apparatus to a remote power outlet or generator, and there is no need for any hoses or the like to deliver finishing compound, or compressed air, or anything like that, to the apparatus while it is in use.
Owner:TAPE PRO DRYWALL TOOLS PTY LIMITED

De-energized feeders

1. Name of the product in this design: Power-off Feeder. 2. Application of this design: for remote power cut-off of underground trackless rubber-tired vehicles, tunneling machines, and other vehicles. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:NANJING BESTWAY AUTOMATION SYST

Direct-current converter, high-voltage constant-current remote power supply and control method thereof

The invention belongs to the technical field of power electronics, and provides a direct-current converter, a high-voltage constant-current remote power supply and a control method thereof, the direct-current converter is formed by cascading n identical power conversion modules, and n is larger than or equal to 2 and smaller than or equal to 7; each power conversion module is composed of three direct-current conversion units of the same structure and a V / I detection circuit. The input ends of the three DC conversion units are connected in parallel, and the output ends are connected in series to form a cascade structure; each direct-current conversion unit is formed by sequentially connecting a voltage pre-stabilizing circuit, a high-frequency resonance circuit, a high-frequency transformer and a rectifying circuit. Wherein the voltage pre-stabilizing circuit adopts a Buck-Boost circuit. According to the direct-current converter disclosed by the invention, through a hardware architecture that three power conversion modules are cascaded into one module and n modules are cascaded into one system and through two-stage adaptive interleaving control adjustment, high-efficiency and high-precision output is realized, and input and output ripples are reduced at the same time.
Owner:FIBERHOME MARINE NETWORK EQUIP CO LTD +2

Multi-level cabinet management system and method based on high-density computing server

The invention discloses a multi-level cabinet management system and method based on a high-density computing server, and relates to the technical field of high-density computing servers. In order to solve the state management problem that high-density computing servers of different architectures are integrated in the same cabinet, the adopted scheme comprises a computing node management module used for realizing health state monitoring, abnormal alarm reporting and remote startup and shutdown and reset functions of a single computing node through a BMC (Baseboard Management Controller); the case management module is used for establishing communication with the BMC of each computing node by means of the SMC, acquiring and controlling the state information of each computing node, summarizing the state data of all the computing nodes, and uniformly reporting the state data to the RMC in combination with the information of the case; and the cabinet management module is used for establishing communication with the SMC of each case by means of the RMC, acquiring and controlling the running state of each case and the data of the computing nodes in the case, integrating the state data of all the cases, superposing the information of the cabinet, and reporting the cabinet-level centralized management data to a cloud management system in a unified manner.
Owner:SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD

Isolation monitoring device for grounding conductor

The invention discloses an isolation monitoring device for a grounding conductor, and the device comprises an isolation part which is made of insulating plastic and is in a semicircular shape; the fixing device is used for fixing the separator in the deep pit; the resistivity monitoring sensor is arranged on the isolation piece, and the resistivity monitoring sensor comprises a built-in measuring electrode pair and at least two pairs of high-conductivity material electrodes, and the built-in measuring electrode pair and the at least two pairs of high-conductivity material electrodes are kept in electric contact with the surface of the grounding conductor at a constant interval; the miniaturized intelligent signal processing and communication unit integrates a microprocessor, a constant current source, a differential amplifier and an analog-to-digital converter and is used for controlling a measurement time sequence and calculating resistivity; the integrated wireless communication and remote power supply module supports a LoRaWAN or NB-IoT protocol, and adopts a lithium thionyl chloride battery and a micro energy collector for hybrid power supply. According to the invention, the fixing, isolating and state monitoring functions of the grounding conductor are integrated, the structure is compact, and the construction and maintenance process is simplified.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD ECONOMIC & TECH RES INST +1

Outdoor large screen content management and control method and system

The invention discloses an outdoor large screen content management and control method and system. Comprising the following steps: firstly, identifying a content publishing mode of an outdoor large screen, and distinguishing a far-end content publishing mode and a local terminal content publishing mode; aiming at a far-end mode, executing a network management and control process, modifying an IP address of a content publishing server through a content display box, performing matching verification in combination with an equipment identifier-server IP mapping relation table pre-stored in a centralized firewall, presetting a content updating window period, only allowing networking updating in the window period, and realizing unnecessary non-networking; for a local mode, executing a remote power supply management and control process, establishing connection with the management and control platform through a remote power supply control module to monitor an abnormal signal, and remotely cutting off a display screen power supply when an abnormity is confirmed; and finally, recording a management and control log containing information such as triggering reasons and execution time. According to the invention, accurate and differentiated management and control of different publishing modes are realized, and the content security guarantee level of the outdoor large screen is improved.
Owner:HANGZHOU RUICHENG INFORMATION TECH CO LTD

House management system

The invention provides a house management system, which comprises a front-end user operation module used for performing function interaction with a user through a preset interaction interface and outputting corresponding display information according to interaction information; the display information at least comprises rapid check-in / rental canceling information of the public rental housing; the background business processing module is used for triggering a user application program according to the interaction information, identifying a user identity according to the interaction information, and executing a corresponding management operation according to the application information of the user; the electric charge settlement and control module is used for calling corresponding electric energy meter data according to the identification result of the user identity to carry out interrogation and expense calculation, and carrying out expense settlement or remote power failure and recovery and arrearage automatic power failure functions after expense calculation; and the voucher generation module is used for generating a check-in / rental canceling voucher according to the identification result of the user identity. The method is simple in process, uniform in standard, high in handling efficiency, low in cost and good in user experience.
Owner:SHENZHEN POWER SUPPLY BUREAU

Remote power control box

An apparatus comprises: a case enclosing a space; a power connector, extending through the case, to be connected to an external device; a power switch, retained in the space, and configured to be controlled responsive to commands in a UHF / VHF radio signal received by the power switch; a battery, retained in the space, having battery terminals connected to the power connector such that at least one of the battery terminals is connected to the power connector through the power switch; and an antenna, mounted to the case, to receive, and deliver to the power switch, the UHF / VHF radio signal, wherein the commands include a first command to close the power switch to connect the battery to the external device, and a second command to open the power switch to disconnect the battery from the external device.
Owner:L3HARRIS TECH INC

Method for intelligent instruments for modular energy system

Various methods are disclosed. One method includes reading an RFID card that is associated with a surgical instrument when the RFID card is located proximal to an RFID reader and initiating a wireless pairing process with the surgical instrument by the header module. Another method includes receiving an accessory at an accessory port of a modular energy system, communicating via a flexible serial communication interface coupled between a processor and the accessory port, the flexible serial communication interface configured to support multiple communication protocols, and detecting, by a presence detection circuit coupled between the accessory port and the processor, presence of the accessory connected to the accessory port. Other methods include a flexible serial bus power configuration method for a modular energy system and a remote power control interface method for a modular energy system.
Owner:CILAG GMBH INTERNATIONAL

Back frame type direct current remote supply outdoor far-end power supply device

The utility model relates to the technical field of power equipment, in particular to a back frame type direct current remote supply outdoor far-end power supply device which comprises a cabinet body cavity, a back frame, a cabinet door, an inverter box, a mounting partition plate A, a mounting partition plate B, a DCAC heat dissipation aluminum plate and a DCDC heat dissipation aluminum plate. The cabinet body cavity is formed by welding a cabinet body back plate, side plates and bottom reinforcing ribs, and the back frame and the cabinet body back plate are integrally welded; the inversion box comprises a top cover, an inversion box cavity, a DCAC heat dissipation aluminum plate and a DCDC heat dissipation aluminum plate, and is fixed in the cabinet cavity through a mounting partition plate B; according to the scheme, through systematic optimization of the structure, heat dissipation, protection, modularization and cable management, the long-term operation stability of the outdoor remote power supply device in an extreme environment is improved, the comprehensive operation and maintenance cost is reduced, and the service life of the outdoor remote power supply device is prolonged. And a high-reliability and low-cost direct-current power supply solution is provided for scenes such as communication base stations and outdoor monitoring.
Owner:CONSERVATION SMART ENERGY CO LTD

Remote power cut and power transmission method and system based on power loop multi-dimensional monitoring management and control

The invention relates to the technical field of data processing, in particular to a remote power outage and transmission method and system based on multi-dimensional monitoring and control of a power loop. The method comprises the following steps: acquiring a voltage sequence and a current sequence of an incoming line side of a circuit breaker and an outgoing line side of a contactor in each power frequency period, and acquiring an instantaneous active power difference value and a current effective value of each sampling point in each power frequency period; based on the instantaneous active power difference value and the current effective value, static equivalent resistance of a contactor contact in each power frequency period is obtained; and obtaining a micro-arc risk index of each power frequency period based on the instantaneous active power difference value, obtaining a thermal safety residual capacity of each power frequency period according to the static equivalent resistance, the current effective value and the micro-arc risk index, and controlling remote power cut and power transmission of the contactor according to the thermal safety residual capacity. According to the invention, accurate identification and safe locking of loop hidden dangers are realized.
Owner:SHANXI HUAKONG WEIYE TECH CO LTD

Remote power-off restarting device for oil field on-site automatic control equipment

PendingCN121596782AProgramme controlComputer controlOperating instructionAutomatic control
The invention provides a remote power-off restarting device for oil field on-site automatic control equipment, which belongs to the technical field of automatic control equipment and comprises a control module, and a power management module, a man-machine interface module, an output module and a wireless communication module which are respectively connected with the control module, the power management module is used for providing power for the remote power-off restart device; the wireless communication module establishes wireless communication connection with an operation terminal, performs remote data transmission, and transmits an operation instruction received from the operation terminal to the control module; the control module is internally provided with a control system and is used for controlling the output module to act according to the received operation instruction; the control module is connected with the field equipment to start and stop the field equipment; and the man-machine interface module is used for connecting the control module to an operating system platform to realize parameter setting of the remote power-off restarting device and configuration of an operating instruction. Through the device, a user can operate a terminal to remotely control field equipment.
Owner:PETROCHINA CO LTD

Remote power-on awakening device

The invention relates to the technical field of carry-scraper trucks, and discloses a remote power-on wake-up device which comprises power-on wake-up equipment, heat dissipation holes are formed in the two sides of the power-on wake-up equipment, placement grooves are formed in the two sides of the power-on wake-up equipment, and filter plates are slidably connected into the placement grooves. Knocking and dust vibrating mechanisms are arranged on the two sides of the exterior of the power-on awakening equipment, dust cleaning mechanisms are arranged on the tops of the two sides of the power-on awakening equipment, secondary attachment prevention mechanisms are arranged on the two sides of the power-on awakening equipment, and the knocking and dust vibrating mechanisms knock a filter plate and vibrate off dust through vibration force generated by knocking. Dust on the filter plate can be vibrated off by knocking the dust vibration mechanism, and the dust on the filter plate is further cleaned by utilizing the dust cleaning mechanism, so that the cleaning effect of the filter plate is improved, the filter plate can be conveniently cleaned, time and labor are saved, the cleaning efficiency is improved, the use of the device is not delayed, and the progress of a project is not influenced.
Owner:QINGDAO FAMBITION HEAVY MASCH CO LTD

Optical interconnection device and method supporting MIPI CSI-2 protocol D-PHY interface

The invention discloses an optical interconnection device and method supporting an MIPI CSI-2 protocol D-PHY interface, and belongs to the technical field of high-speed serial communication. The device comprises a first D-PHY interface unit, a second D-PHY interface unit, a packaging / unpackaging mapping unit, a bidirectional communication link, a first I2C interface unit and a second I2C interface unit. A communication link adopts an optical fiber or a photoelectric composite cable, uplink data is subjected to electric-optical conversion and then is subjected to single-fiber / double-fiber transmission, downlink control signals are transmitted back through the optical fiber or the cable, and remote power supply is synchronously realized. The encapsulation mapping unit encapsulates the multi-channel video stream and the state information of the uplink communication link into a single-channel high-speed serial code stream, and the de-encapsulation mapping unit recovers the original protocol multi-channel video data stream and the state information of the uplink communication link; and selectable level adaptation units at the two ends of the link complete signal matching. According to the invention, the long-distance and low-error-code transmission of the camera of the D-PHY interface of the MIPI CSI-2 protocol is realized, the state of an interconnection link can be monitored in real time, the anti-EMI performance is strong, the cascade connection of multiple cameras can be supported, the weight of a wire harness is effectively reduced, the vehicle regulation environment requirements of-40 DEG C to + 125 DEG C are met, the problems of high bandwidth, long distance, multi-device interconnection and the like are solved, and the device is suitable for the scenes of vehicle-mounted ADAS, industrial vision and the like.
Owner:武汉市光启威途科技有限公司

Remote power-off device for unmanned ship

The invention discloses an unmanned ship remote power-off device which comprises an upper charging assembly and a lower charging assembly, and the upper charging assembly is detachably connected with the lower charging assembly. When charging of the unmanned ship is finished, the user enables the unmanned ship to be separated from the charging device through the remote control device so as to freely sail. In the process, the unmanned ship can be released through remote operation without the need for a user to arrive at the scene, so that field operation is greatly facilitated, the unmanned ship is suitable for handling emergency dangerous cases, and the labor intensity of the user is reduced.
Owner:CHINA PETROLEUM & CHEMICAL CORP +2

Remote power-off method for server

The invention provides a remote power-off method for a server, and the method comprises the steps: receiving a control instruction sent by a remote person through a power supply system of the server, so as to carry out the power-off of a central processing module of the server; the power supply system comprises: a power module; the substrate management control module is used for generating a corresponding power supply signal and a corresponding power-off signal according to an external power supply instruction and an external power-off instruction respectively; the switch module is electrically connected between the power supply module and the central processing module; the switch module enters a conducting state according to the power supply signal so as to supply power to the central processing module; the switch module also enters a cut-off state according to the power-off signal so as to stop supplying power to the central processing module; and the reset module is electrically connected between the substrate management control module and the central processing module and is used for resetting the system setting data in the central processing module according to the reset signal of the substrate management control module. Through the method provided by the invention, the technical problem that the system setting data of the server cannot be reset can be solved.
Owner:SHANGHAI LINGHUA INTELLIGENT TECHNOLOGY CO LTD

A quantum key usage and storage method for remote power communication

The application discloses a quantum key use and storage method for remote power communication, both the sender and the receiver have two key pools, one key pool is used for encryption and decryption, and the other key pool is used for accepting new security keys transmitted by a quantum key distribution system. Some binary bits in each group of keys are used as flag bits. The sender randomly selects a group of keys, determines an encryption algorithm according to the flag bits of the keys, encrypts plaintext information to obtain ciphertext, and places the number of the keys and the ciphertext together to obtain a data packet. The receiver finds the corresponding keys according to the key number in the data packet, knows the encryption algorithm according to the flag bits, and decrypts. When the quantum key distribution system fails, the application can ensure that both parties still have enough keys, since each group of keys adopts different encryption methods, the encryption methods of various data packets are different, the difficulty of cracking by attackers is increased, and the security is effectively improved.
Owner:ANHUI NORMAL UNIV +1

High-low voltage remote power cut and transmission and robot collaborative inspection integrated device

The utility model relates to the technical field of electric power equipment operation and maintenance devices, in particular to a high-low voltage remote power cut and transmission and robot collaborative inspection integrated device which comprises a four-axis linkage inspection robot body and a high-low voltage power cut and transmission control module arranged in a circuit, and a supporting base is arranged at the bottom of the four-axis linkage inspection robot body. A horizontal moving assembly is arranged below the supporting base and comprises a left guide rail and a right guide rail which are mutually symmetrical, sliding grooves are formed in the guide rails, opening parts of the sliding grooves are formed in the side faces of the guide rails, servo motors are fixedly installed at the ends of the guide rails, and lead screws are fixedly installed at the tail ends of output shafts of the servo motors. The lead screws are in threaded connection with sliding blocks, the sliding blocks are located in the sliding grooves and are in sliding connection with the sliding grooves, a supporting plate is fixedly installed between the two sliding blocks, and the supporting base is installed on the supporting plate. According to the utility model, movement and multi-degree-of-freedom adjustment operation are facilitated, and the inspection coverage range is expanded.
Owner:SHANXI ANKAI SOFT CONTROL TECHNOLOGY CO LTD

Offshore wind farm ups power remote start-stop control device

This utility model relates to the field of remote power supply start / stop control technology, specifically to a remote start / stop control device for a UPS power supply in an offshore wind farm. It includes a support leg, a mounting frame on the top of the support leg, a mounting shell on the mounting frame, a rotating rod extending through the mounting shell and also through the mounting frame, a deflection frame on the rotating rod, and a control console on the deflection frame. The control console is used for remotely controlling the UPS power supply to turn on and off. A buffer component is provided on one side of the deflection frame to reduce the direct impact of wind on the control console. Compared to existing technologies, this application improves the shock resistance and operational reliability of the UPS control device in complex offshore environments.
Owner:CHINA HYDROPOWER CONSTR GRP RUDONG NEW ENERGY CO

Systems, apparatuses, and methods for voltage safety detection and voltage overshoot management

A high voltage pulse power delivery system is provided that includes dedicated safety features including fault detection and fault management. Alongside normal communications cabling, the pulse power delivery system provides remote power over standard multi-conductor cabling without dedicated conduit or separation. This simplifies installation of equipment, increases overall speed of deployment, and significantly reduces cost for deployment. The pulse power delivery system is further configured to transport power through a pulse current waveform.
Owner:PANDUIT CORP

An external power supply structure for drones and the drone

This disclosure relates to the field of unmanned aerial vehicle (UAV) equipment technology, providing an external power supply structure for a UAV and the UAV itself. The external power supply structure includes an identification module and a power supply module. The identification module is mounted on the UAV and has a first interface; the power supply module is mounted on the UAV and has at least a second interface and a third interface. The second interface is configured to form an electrical connection with the first interface to establish a power transmission path. In a first operating mode, proximity power supply is achieved based on the direct physical connection between the second and first interfaces; in a second operating mode, the third interface is connected to the first interface via an external power cable to achieve remote power supply. This disclosure, through a dual-mode power supply design, significantly improves the adaptability and flexibility of the external power supply structure under different UAV installation space conditions, solves the problems of limited installation and poor adaptability of traditional power supply structures, and provides flexible endurance for the identification module through a battery swapping mode.
Owner:珠海安擎科技有限公司

Bus bar power supply controller software online loading method and system

The invention provides a bus bar power supply controller software online loading method and system. The method comprises the following steps: a bus bar power supply controller (BPCU) enters a safety mode after receiving an upgrading request of a remote power distribution unit (RPDU); the RPDU transmits the upgrading mirror images in batches through the TTP bus; the BPCU performs data verification and integrity verification; after the verification is passed, the mirror image is solidified to the flash memory and is restarted; and the bootstrap program verifies the validity of the new version, if yes, the new version is operated, otherwise, rollback is performed. The system comprises the BPCU, the RPDU and the TTP bus network. According to the method, high-reliability and high-efficiency online upgrading of aviation power distribution system software is realized by utilizing the certainty and the real-time performance of the TTP bus and combining a double-partition rollback mechanism, and the method is suitable for an aviation electronic system with a high safety requirement.
Owner:SHANGHAI CIVIL AVIATION POWER SYSTEM CO LTD

Remote power supply voltage regulation and control device

ActiveCN224191860UAvoid low load voltagehigh currentAC motor controlStarter detailsTransformerElectric machine
The remote power supply voltage regulation and control device comprises an inverter, an input reactor, an output reactor, a dry-type transformer, an input contactor, an output contactor and an isolating switch, and is characterized in that the dry-type transformer is arranged close to a motor load; the output end of the inverter is connected with the input end of the output reactor, the output end of the output reactor is connected to a primary winding of the dry-type transformer, one end of a secondary winding of the dry-type transformer is connected with a three-phase power supply, and the other end of the secondary winding of the dry-type transformer is connected with a motor load through the output contactor. According to the remote power supply voltage regulation and control device, the inverter and the dry-type transformer are used for compensating the voltage signal input to the motor load, the phenomenon that the voltage of the motor load is too low is avoided, the situation that the current in a power supply line between the power supply equipment and the motor load is too large is avoided, the electric energy loss of the power supply line is reduced, and the service life of the power supply line is prolonged. And the electricity utilization cost is saved for coal mine enterprises.
Owner:XINFENGGUANG ELECTRONICS TECH CO LTD

Low-voltage treatment method and system based on multi-stage series direct-current remote supply device

The invention discloses a low-voltage treatment method and system based on multistage series direct-current remote supply devices, and belongs to the technical field of low-voltage treatment, and the method comprises the steps: enabling a plurality of direct-current remote supply devices to be connected to a power transmission line at the tail end of a power grid in series, and enabling a load point on the power transmission line to be connected to the nearest direct-current remote supply device; wherein the load point comprises a plurality of end users; controlling the direct-current side voltage of the power transmission line within a preset direct-current voltage reference range through the host control of the direct-current remote supply device; and when the load on the load point changes, controlling the AC voltage of the end user within a preset AC voltage reference range through a slave of the DC remote power supply device. Therefore, by implementing the application, the problem in the prior art that the low-voltage treatment effect is relatively poor because the direct-current remote supply device can only improve the power utilization quality of part of users in the scene that the end users are relatively dispersed can be solved.
Owner:GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD

Electric unmanned vehicle driving control method and device, computer device and storage medium

The application relates to an electric unmanned vehicle driving control method and device, computer equipment, a storage medium and a computer program product. A 5G module is used to send a start wake-up signal to a network terminal, the network terminal is controlled to perform a remote power-on operation of an electric unmanned vehicle, after the electric unmanned vehicle is remotely powered on, the network terminal is controlled to perform a remote start operation of the electric unmanned vehicle, after the electric unmanned vehicle is remotely started, a smart driving controller is controlled to perform remote driving control, if the electric unmanned vehicle fails to be remotely started, a trigger signal of a PS controller is received, the PS controller is started according to the trigger signal, the PS controller is controlled to perform an emergency start operation, after the electric unmanned vehicle is started by emergency power-on, a remote control mode is entered, and the electric unmanned vehicle is driven based on a remote controller, so that the electric unmanned vehicle cannot be driven due to remote start failure can be avoided, and the accuracy and effectiveness of electric unmanned vehicle driving control are improved.
Owner:FAW JIEFANG AUTOMOTIVE CO

Smart remote control plug

1. Name of the product in this design: Smart Remote Control Plug. 2. Purpose of this design: For remote power control of equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:HEFEI ANGNIU INTELLIGENT EQUIP CO LTD

Remote power supply self-diagnosis system and method for underground emergency broadcast

The invention provides a remote power supply self-diagnosis system and method for underground emergency broadcast. The system comprises a control detection module, an execution module and a remote power supply self-diagnosis module, wherein the control detection module is configured to send a control instruction to the execution module; the execution module is configured to cut off the connection between the emergency broadcast host and the alternating current power supply if the control instruction is a discharge instruction; when the backup battery enters the discharge mode, the backup battery supplies power to the emergency broadcast host; if the control instruction is a charging instruction, the emergency broadcast host is connected to an alternating current power supply; when the discharge instruction is sent to the execution module, if the power supply state of the emergency broadcast host is not battery power supply, an alarm is given; and when the charging instruction is sent to the execution module, if the power supply state of the emergency broadcast host is not alternating current power supply, an alarm is given, so that the problem that a backup battery in the current underground emergency broadcast host is maintained by manually descending to each broadcast point location for field operation is solved. The maintenance work efficiency of the backup battery is low; and a safety management and control blind area exists.
Owner:YANKUANG ENERGY GRP CO LTD

Safe power-off device of stacker crane

The utility model discloses a safety power-off device of a stacker crane in the technical field of safety of the stacker crane, which comprises a power-off switch, a protection box fixedly mounted at the rear end of the power-off switch, a switch push rod mounted at the front end of the power-off switch, a pneumatic power-off mechanism arranged on the right side of the power-off switch, and a stretching power-off mechanism arranged on the left side of the power-off switch. According to the safe power-off device of the stacker crane, the pneumatic power-off mechanism and the stretching power-off mechanism are additionally arranged, safe power-off of the stacker crane can be rapidly and reliably achieved, the pneumatic power-off mechanism is used for switching off the power of the stacker crane through a rapid pressure relief mechanism, and the pneumatic power-off mechanism is used for switching off the power of the stacker crane through the stretching power-off mechanism. And the stretching power-off mechanism is used as an emergency backup to ensure remote power-off under special conditions, and the stretching power-off mechanism and the stretching power-off mechanism are matched with an independent standby power system, so that the safety and the reliability of power-off operation are greatly improved, and the safety of personnel and equipment is effectively guaranteed.
Owner:YANGZHOU TIANHONG MASCH CO LTD

A hybrid fiber-optic current sensing system and method for remote power monitoring

This invention relates to the field of fiber optic current sensing technology, and particularly to a hybrid fiber optic current sensing system and method for long-distance power monitoring. The system includes: an optical interferometric sensing link, a remote current response probe, a photoelectric acquisition module, and a digital closed-loop control module. The optical interferometric sensing link includes a phase modulation section and a long-distance transmission section. The phase modulation section is used to load a phase-generated carrier into the detection light, and the long-distance transmission section is used to transmit and transmit the optical signal back. The photoelectric acquisition module is used to convert the optical signal into a digital interferometric signal. The digital closed-loop control module is used to extract orthogonal error and harmonic parameters based on the digital interferometric signal, and adjust the local carrier phase and carrier drive amplitude, thereby outputting the measurement result of the current to be measured. This invention effectively solves the core technical problem of insufficient anti-link disturbance capability in existing hybrid fiber optic current sensing systems for long-distance power monitoring, which leads to decreased measurement stability.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD RESEARCH INSTITUTE