42results about How to "Realize independent power supply" patented technology

The invention discloses a lithium battery energy storage system cabinet automatic fire extinguishment device and system. The fire extinguishment device comprises an aerosol fire extinguishment system, a water injection fire extinguishment system, an electrical fire detection device, a battery fire detection device and a control system. The electrical fire detection device and the battery fire detection device are both arranged in an energy storage system cabinet. The aerosol fire extinguishment system, the water injection fire extinguishment system, the electrical fire detection device and the battery fire detection device are all connected with the control system. The fire extinguishment system comprises a control system, an aerosol fire extinguishment system, multiple water injection fire extinguishment systems, multiple battery fire detection devices, a water inlet mother pipe, a water outlet mother pipe and multiple battery bins. The liquid immersion type fire extinguishment scheme is adopted, batteries are isolated from air by injecting liquid till the batteries are completely immersed, heat generated by battery faults is rapidly brought away through convective circulation at the same time, combustion inside and outside battery units is fundamentally eliminated, and harm caused by secondary accidents to the system and maintenance personnel is eradicated.

The present invention relates to a large ground locust suction machine, in particular to a vehicle-mounted pneumatic locust catcher. The invention uses a chassis of an off-load vehicle as a vehicle and uses a self-governed generator as the source of power so as to provide power for a centrifugal fan and a rotating wheel at a preposing sucker. The preposing sucker is arranged at front end with certain height of the chassis of off-load vehicle and is connected with a gathering device arranged on the vehicle through a hose arranged at the upper part of the off-load vehicle. The locust leaps due to suffering the double disturbance of the operating noise of machine and the airflow, and the rotation of the open type rotating wheel causes local subpressure, thus, the locust is inhaled into the preposing sucker under the action of pressure differential, and then is transported to the gathering device through the hose step by step. The machine has the advantages of simple structure, easy operation, high trapping efficiency, and the machine is especially suitable for work in large grassland.

The invention discloses a transparent roof employing photovoltaic plates, and the roof is provided with a window. The interior of the window is provided with transparent window, and two photovoltaic plates are disposed exactly below the transparent glass. The ceilings at the front and rear sides of the photovoltaic plates are fixedly provided with grooved rails, and the left and right sides of the grooved rails are provided with guide grooves. The photovoltaic plates are fixed on a plurality of lateral box irons, and the box irons are fixed on a plurality of longitudinal round steels. Two ends of the round steels are bent into fulcrum bars, and the fulcrum bars pass through the guide grooves of the grooved rails to be hinged to rollers. The rollers are inserted into the grooved rails. Two ends of the box irons are fixed on longitudinal connecting rods, and connecting rods of the photovoltaic plates are fixed on the lateral side plates. The lateral side plates abut against the side walls of the grooved rails, and the side plates are fixedly provided with a plural of supporting lugs. The supporting lugs are in screwed connection with lateral screw rods through linear bearings, wherein one end of each screw is fixedly connected with a rotating shaft of a motor through a shaft coupler, and the other end of the screw is hinged to a bearing seat. The photovoltaic plates are used for replacing a sun shield, so the roof can achieve the independent power supply, and facilitates the opening and closing of a transparent window of the roof.

The present invention relates to a large ground locust suction machine, in particular to a vehicle-mounted pneumatic locust catcher. The invention uses a chassis of an off-load vehicle as a vehicle and uses a self-governed generator as the source of power so as to provide power for a centrifugal fan and a rotating wheel at a preposing sucker. The preposing sucker is arranged at front end with certain height of the chassis of off-load vehicle and is connected with a gathering device arranged on the vehicle through a hose arranged at the upper part of the off-load vehicle. The locust leaps due to suffering the double disturbance of the operating noise of machine and the airflow, and the rotation of the open type rotating wheel causes local subpressure, thus, the locust is inhaled into the preposing sucker under the action of pressure differential, and then is transported to the gathering device through the hose step by step. The machine has the advantages of simple structure, easy operation, high trapping efficiency, and the machine is especially suitable for work in large grassland.

The invention provides a dual-star combined spacecraft grid-connected power supply and distribution system with fully adjusted unified bus, including: a first spacecraft power supply and distribution system, a second spacecraft power supply and distribution system; wherein each spacecraft power supply and distribution system The electrical system includes solar arrays, battery packs, power controllers, two-way circuit breakers, power distributors, and grid-connected interface units; each spacecraft can supply power to another spacecraft while meeting its own load requirements. Receive the supplementary energy provided by another spacecraft when its own energy is insufficient. The double-star combined spacecraft grid-connected power supply and distribution system with fully regulated unified bus provided by the present invention can not only realize the complementary power supply of the spacecraft when the combined body is working, At the same time, it can also independently supply power to the load when a single spacecraft is running.

The invention relates to a telecommunication computing architecture system and a method of fulfilling service protection thereof, the invention is provided with a power supply processing module on a rear loading switching module to fulfill power supply which is independent to a front flashboard, and provided with an intelligent platform management controller to fulfill the controlling of a control unit to the rear loading switching module which is provided with the control unit; meanwhile, the rear loading switching module of each working slot can be used to fulfill service accessing, and thefront flashboard is used for fulfilling service processing; service switching can be fulfilled when the front flashboard of any primary slot occurs exceptions according to a mode of one backup slot and a plurality of primary slots, and the backup front flashboard temporarily replaces the front flashboard of the primary slot to complete the function of service processing; finally the separation ofthe service accessing and the service processing is fulfilled, thereby playing the effect of device level service protection.

The invention discloses a multi-color temperature LED lamp, comprising a conductive base and a lamp holder, a support rod is fixedly installed on the center position of the outer surface of the upper end of the conductive base, and a telescopic shaft is arranged in the center position of the inner surface of the support rod. A tightening knob is movably installed on one side surface of the shaft, an installation handle is connected to the two sides of the lamp holder, and a first reserved hole and a second reserved hole are equidistantly opened through the surface of the installation handle near its two sides. The invention discloses a multi-color temperature LED lamp and a color temperature adjustment system thereof, which can realize the rapid installation and disassembly between the lamp holder and the lamp housing by using the cooperation between the fitting slide rail and the installation groove, and use the convex block Driving the extraction of the explosion-proof glass panel can realize the rapid replacement of the power supply inside the lamp housing. In addition, the use of the movable frame and the conductive base can realize the independent power supply and support of the lamp, and realize the diversity of lamp installation methods.

The invention provides a catenary power supply device for thermal insulation of EMUs and a power supply method thereof. The catenary power supply device for thermal insulation of EMUs includes an industrial power supply and a transformer (3), the industrial power supply and the transformer The input end of the device (3) is connected, and the transformer device (3) can change the voltage of the industrial power supply to an output voltage of 25kV and supply power for the arrival and departure catenary (9) or the parking line catenary (11). The catenary power supply device for thermal insulation of EMUs adopts the nearest common industrial power supply, transforms its voltage to 25kV, and connects to the catenary of the arrival and departure lines or storage lines of parked EMUs for thermal insulation of EMUs. It not only realizes the independent power supply to the arrival and departure line or the catenary of the parking line, but also avoids setting up a dedicated power supply line from the adjacent substation to the station, which can save a lot of engineering investment and operating costs.

The invention relates to a dual-core electric energy meter and a power supply control method therefor. The dual-core electric energy meter comprises a metering core, a management core and a power supply management control module, wherein the metering core is used for realizing an electric energy metering function; the management core is used for realizing a non-electric-energy metering management function; the power supply management control module is used for realizing independent power supply for the metering core and the management core, wherein the power supply management control module consists of a main power supply, a clock battery and a power-off meter-reading battery; according to the control method, when the main power supply is powered on, all power supplies are supplied by the main power supply, and the metering core is powered by an independent power supply branch; when the main power supply is in power outage, a real-time clock RTC of the metering core is powered by the clock battery, and the management core is powered by the power-off meter-reading battery; and when the clock battery is replaced, the real-time clock RTC in the metering core is temporarily powered by a supercapacitor.

The invention discloses an electromagnetic induction heating press-roller, which has an integral double-end supporting structure and comprises a rotating device and a fixing device, wherein the rotating device consists of an action roller and a rotating shaft which are connected; the rotating shaft inputs a rotating torque to drive the action roller to rotate; the fixing device consists of a fixed shaft, a sleeve arranged on the outer side of the fixed shaft, magnetizers and excitation coils; through the magnetizers and excitation coils segmentedly installed outside the sleeve, a magnetic airgap is formed between the outside end face of the fixed magnetizer and the inner circular face of the rotating action roller; the alternating magnetic field forms a circuit through the magnetizer, the air gap and the action roller metal; the magnetic field in the action roller forms an eddy current so as to uniformly heat the working face of the rotating action roller. Since a structure of axially segmented magnetizers and excitation coils is adopted, a magnetic circuit is formed on the working face metal of the heating roller only to avoid the magnetic circuit penetration of the non-heating working part and reduce the excitation current, and simultaneously prevent the machine parts from overheating; besides, the induction heating efficiency can be improved so as to control the axial temperature gratitude of the heating roller continently.

The invention discloses a nondestructive testing system based on pseudo-random coding. The system comprises a power supply device, an upper computer, a controller, an electric control unit, a transducer and a signal acquisition part; the upper computer outputs a pseudo-random coding sequence; the controller decodes the pseudo-random coding sequence into pulses and outputs a pulse sequence; the electric control unit receives the pulse sequence and then outputs a voltage or current signal to the transducer to obtain a controllable transducer; the signal acquisition part records the impact timesand frequency and feeds back to the upper computer; and the upper computer processes the impact times and frequency. According to the scheme of the invention, pseudo-random sequence impact is realizedby combining pseudo-random sequence programming control, noise and interference are suppressed to the greatest extent, and accurate identification and extraction of effective signals are ensured; andby means of electronic pulse sweep frequency impact, single impact energy is superposed, and the nondestructive testing distance and precision are improved. The invention further discloses a nondestructive testing method which adopts the nondestructive testing system based on pseudo-random coding and can be applied to the field of nondestructive testing of bridges and concrete structures.

The invention discloses a multi-color-temperature LED lamp. The multi-color-temperature LED lamp comprises an electric conducting base and a lamp base; a support rod is fixedly mounted in the center position of the outer surface of the upper end of the electric conducting base; an extension shaft is arranged in the center position of the inner surface of the support rod; a fastening knob is movably mounted on the surface of one side of the extension shaft; mounting handles are connected to the surfaces of two sides of the lamp base; and first reserved holes and second reserved holes are formednear the two sides by penetrating through the surfaces of the mounting handles. The invention discloses the multi-color-temperature LED lamp and a color temperature adjusting system thereof; the quick mounting and dismounting between the lamp base and a lamp shell can be realized by using cooperation between matching slide rails and mounting grooves; a convex block is used for driving extractionof an anti-explosion glass panel, so that the quick replacement of a power supply in the lamp shell can be realized; and in addition, a movable frame is used for cooperating with the electric conducting base to realize independent power supply of the lamp and supporting use so as to achieve the lamp mounting mode diversity.

The invention provides a multifunctional environment monitoring sensor, which can realize simultaneous monitoring on various environment parameters.

The invention discloses a transparent roof employing photovoltaic plates, and the roof is provided with a window. The interior of the window is provided with transparent window, and two photovoltaic plates are disposed exactly below the transparent glass. The ceilings at the front and rear sides of the photovoltaic plates are fixedly provided with grooved rails, and the left and right sides of the grooved rails are provided with guide grooves. The photovoltaic plates are fixed on a plurality of lateral box irons, and the box irons are fixed on a plurality of longitudinal round steels. Two ends of the round steels are bent into fulcrum bars, and the fulcrum bars pass through the guide grooves of the grooved rails to be hinged to rollers. The rollers are inserted into the grooved rails. Two ends of the box irons are fixed on longitudinal connecting rods, and connecting rods of the photovoltaic plates are fixed on the lateral side plates. The lateral side plates abut against the side walls of the grooved rails, and the side plates are fixedly provided with a plural of supporting lugs. The supporting lugs are in screwed connection with lateral screw rods through linear bearings, wherein one end of each screw is fixedly connected with a rotating shaft of a motor through a shaft coupler, and the other end of the screw is hinged to a bearing seat. The photovoltaic plates are used for replacing a sun shield, so the roof can achieve the independent power supply, and facilitates the opening and closing of a transparent window of the roof.

The invention discloses a boost grouping controller of a storage battery module. The boost grouping controller consisting of a storage battery module composed of a plurality of single storage batteries, a super capacitor, a discharge switch current-limiting voltage regulator, a charge switch current-limiting voltage regulator, a DC-DC (direct-current-direct current) power supply booster, a storage battery module monitor, a pulse transformer, a rectifier, an output power supply filter, a temperature regulator, a storage battery module charging and temperature regulation controller, a storage battery module charging and discharging controller and a micro controller. According to the invention, an operation method of storage battery module boost grouping is realized, thus the storage batterymodules can be isolated mutually and operate individually after grouping, the mutual influence of the storage battery modules after grouping can be avoided, the service life of a storage battery set is improved, and the boost grouping controller has the characteristic of convenience in implementation.