36results about How to "Extended backup time" patented technology

A storage system constructed by combining a plurality of types of storage media differing in physical properties is managed as a single virtual storage. Consequently, a single file is divided into actual data and the identification information for accessing the actual data and then the identification information for access is associated with a file system for management purposes. Further, files are managed in a layered manner, in accordance with use frequency categories to manage the move of files between the categories. When the actual data in a file is to be moved to a storage medium in a lower level category, the actual data is backed up on another storage medium in a still lower level category.

This invention discloses a server computer set, which includes a power cabinet, at least one system cabinet, a first battery backup module and a second battery backup module. The power cabinet provides a high-voltage direct current (DC) power. The system cabinet includes a plurality of system units. The system cabinet shunts the high-voltage DC power to the system units. Each system unit includes a transformer and an internal circuit. The transformer is used for transforming the high-voltage DC power to a low-voltage DC power, which is used for driving the internal circuit. The first battery backup module is coupled between the power cabinet and the at least one system cabinet for providing a backup high-voltage DC power. The second battery backup module is disposed in the system units and coupled between the transformers and the internal circuits for providing a backup low-voltage DC power.

Embodiments of methods and systems comprise collecting data associated with a library or library components and storing the collected data in repository. By collecting data associated with a library or library components and storing the collected data in a repository, the degradation of library components can be monitored and the reliability of library components determined, allowing unreliable components to be bypassed or replaced, enhancing the reliability of the library and preventing data loss.

The invention discloses a super-capacitor back-up power source system for a DTU power distribution terminal. The total capacity of a super-capacitor module required by a back-up power source system isdecreased, power configuration of a power management module required by the back-up power source system is optimized, the cost of the super-capacitor back-up power source system is fully reduced, andthe reliability and the stability of a back-up power source system for an existing DTU power distribution terminal are improved. According to the super-capacitor back-up power source system for the DTU power distribution terminal, module state information composed by charging-discharging management units can be reported in real time, running states of power modules inside the system can be continuously tracked, and great convenience is provided for maintenance and overhauling of the back-up power source system; alternating-current power supply state information and super-capacitor module state information are fused into the power modules, the DTU power distribution terminal is in communication with all the power modules in the back-up power source system only, the working state of the back-up power source system is controllable, fault identification of the back-up power source system is easy, the cost is low, the advantages of a super capacitor can be fully developed, and a simpler, more economic and powerful back-up power source guarantee is provided for the DTU power distribution terminal.

The embodiment of the invention discloses a method of power failure of equipment, comprising the following steps: initiating a standby power supply to provide power for equipment, when power failure occurs in the equipment; separating the data writing buffer CACHE separately with image data and the data reading the buffer CACHE in a physical state; carrying out safety protection treatment on the data writing the buffer CACHE. The embodiment of the invention also discloses electronic equipment and a network system. The embodiment of the invention has the advantages of reducing the total power consumption of the equipment when power failure occurs, improving the time of preparing electricity for the standby power supply and reducing cost.

A projector 100 includes an image projection unit 6 that projects an image using light from a discharge lamp 1, a ballast 2 that controls a supply voltage supplied to the discharge lamp 1, a system controller 3 that controls a command signal outputted to the ballast 2, a volatile memory 31, a nonvolatile memory 32 that stores data stored in the volatile memory 31, and a power supply unit 4 that includes a capacitor 48 used for generating a supply voltage supplied from an external power supply to the ballast 2. The system controller 3 stores the data of the volatile memory 31 in the nonvolatile memory 32 using a voltage generated by accumulated charges of the capacitor 48 when the external power supply is cut off.

The invention discloses a wind-generating-set emergency power system based on a fuel cell and a working method. The system comprises a wind generating set connected with a power grid, the electric energy output end of the wind generating set is connected with the electric energy input end of an electrolysis hydrogen production device, the water inlet end of the electrolysis hydrogen production device is connected with the water outlet end of a water storage tank, the hydrogen outlet end of the electrolysis hydrogen production device is connected with the hydrogen inlet end of a hydrogen storage tank, the oxygen outlet end of the electrolysis hydrogen production device is connected to atmosphere, the hydrogen outlet end of the hydrogen storage tank is connected with the hydrogen inlet end of a fuel cell device, the water outlet end of the fuel cell device is connected with the water inlet end of the water storage tank, and the fuel cell device further comprises an air inlet end. The invention further discloses a working method of the system. By means of the system and the working method, full-automatic running can be achieved, additional supplementing of fuel is avoided, and running and maintaining cost is low.

The invention relates to a UPS automatic heating circuit. The circuit comprises a temperature detection and voltage division circuit, a comparison circuit, a heating cut-off circuit and a heating unit. The temperature detection and voltage division circuit is connected with the comparison circuit to be used for generating different voltages according to external temperature change resistances and transmitting the voltages to the comparison circuit. The comparison circuit is connected with the temperature detection and voltage division circuit and the heating cut-off circuit to be used for comparing the voltages with preset values of the temperature detection and division circuit and transmitting high-and-low-level signals to the heating cut-off circuit. The heating cut-off circuit is connected with the comparison circuit and the heating unit to be used for receiving the high-and-low-level signals transmitted by the comparison circuit and control the on and off of the heating unit according to signals. The heating unit is used for heating the UPS to improve UPS and battery temperatures. By means of the circuit, the UPS is heated automatically when the UPS is at the low temperatures, starting can be performed automatically when the mains supply is discharged off, the UPS use efficiency and the battery service life can be improved, and the load back-up time is prolonged.

The invention relates to the technical field of batteries, and provides a fault-tolerant large-scale battery and PCS parallel system. The system comprises a high-voltage box PDU and N groups of battery modules connected in series, Each battery module comprises a lithium battery pack, a slave control BMU of a battery series system, a working loop, a pre-charging loop and a shielding loop formed bya relay Kn-3, wherein the working loop, the pre-charging loop and the shielding loop are connected in parallel; and the high-voltage box PDU is connected with N groups of battery modules connected inseries, and comprises a main control BCU of the battery series system, a switching power supply, a main positive charge and discharge loop, a main negative charge and discharge loop and a pre-charge unit. The invention further provides a fault-tolerant large-scale battery PCS parallel system, and the multi-cluster battery series systems are connected in a parallel manner for output. The system canshield a defective battery module in the battery modules in a bypass mode through the shielding loop, so that the system continues to operate, thereby improving the anti-risk capacity of the system.Meanwhile, the capacity and the output power are improved through the battery PCS parallel system.

The invention provides a secondary power supply device and a secondary power supply method for prolonging working time of a primary load. The device comprises a voltage threshold providing module, a voltage sampling module, a control signal generation module and a make-break operation module, wherein the voltage sampling module is connected with an uninterruptible power system and used for voltage sampling of the uninterruptible power system, the voltage threshold providing module is used for providing preset voltage, the voltage sampling module and the voltage threshold providing module are both connected with the control signal generation module, the control signal generation module is further connected with the make-break operation module, and the make-break operation module is used for controlling make and break of a secondary module and the uninterruptible power system. By the aid of the secondary power supply device and the secondary power supply method, the working time of the primary load is prolonged in a battery mode of the uninterruptible power system. When a mains supply is interrupted, and battery voltage is decreased to the preset voltage, power supply to a secondary load is cut off automatically; and after the mains supply restores to normal, the disconnected secondary load is supplied with power again, so that backup time of the main load is prolonged.

The invention provides a hierarchical starting mining intrinsic safety power supply which at least comprises a DC / DC (direct-current) power supply unit, a safety grid circuit, a storage battery, a power supply control circuit, a storage battery power supply control circuit, a voltage comparison unit and a control unit. The DC / DC power supply unit is used for receiving direct current and boosting or reducing voltage of the direct current, the voltage comparison unit is used for acquiring the voltage of the storage battery and comparing the voltage with set reference voltage, the DC / DC power supply unit is electrically connected with the safety grid circuit through the power supply control circuit, the storage battery is electrically connected with the safety grid circuit through the storage battery power supply control circuit, an input end of the voltage comparison unit is electrically connected with the storage battery, an output end of the voltage comparison unit is electrically connected with the DC / DC power supply unit, the DC / DC power supply unit supplies power for the control unit, the control unit outputs control signals to the power supply control circuit and the storage battery power supply control circuit and is further electrically connected with a positive electrode of the storage battery. The hierarchical starting mining intrinsic safety power supply can avoid false triggering caused by high current in starting of the intrinsic safety power supply, and stable and persistent operation of the intrinsic safety power supply can be guaranteed, so that the on-load capacity of the intrinsic safety power supply is enhanced.

The invention relates to a UPS second disconnection circuit and a second disconnection method. the circuit comprises a plurality of dial switch I / O-N, the input end is electrically connected with a DSP chip, the output end is connected with a base electrode of an audion QN, an emitting electrode of the audion QN is grounded, a collector electrode is connected with one end of a relay JQN coil, the other end of the coil is connected with a power supply VCC end, a normally-closed contact 3 is connected with loads, and a public end 4 is connected with a UPS output end. The 0 position of the dial switch is set to be unlimited by UPS battery voltages, and the loads are disconnected after the UPS battery voltages are discharged. 1 position is set to be that the UPS output is disconnected with corresponding loads through the relay JQN when the battery voltages are reduced to respective thresholds. By means of the circuit and the method, power supply for secondary loads can be cut off automatically during outage of the mains supply, the circuit can be connected automatically after the mains supply is restored to be normal, and accordingly, the main load back-up time is prolonged; the circuit safety is reliable, the cost is low, and damage to the batteries due to discharging of large currents is prevented.

The invention provides an iron tower power supply method based on differentiated standby power equipment, relates to the field of iron tower standby power, and can meet the standby power requirementsof original standby batteries and crude oil machines after 5G equipment of different operators is newly added to a base station. The iron tower power supply method comprises the following steps that 1, after mains supply is interrupted, N standby power sources discharge to supply power to X devices, N is larger than or equal to 2, and X is larger than or equal to 2; 2, M standby power supplies arealternately turned off, a generator is started to supply power to Y devices, the remaining NM standby power supplies supply power to the remaining XY devices, Y is larger than or equal to 1, and M islarger than or equal to 1; 3, when the standby power supply reaches a primary power-off voltage, differentiated standby power is started to supply power to the X devices; and 4, when the mains supplyis recovered, the mains supply is started to supply power to the X devices, and the N standby power supplies are charged by the mains supply. Part or all of the M standby power supplies alternately correspond to the NM standby power supplies in number, the generator is used for supplying power to the Y devices, and the standby power duration can be prolonged.

The invention discloses an on-line cleaning method for a ball valve overhauling seal in a range of overhauling and maintenance of power plant equipment. The method comprises the following steps of: selecting an on-line cleaning device, a cleaning agent and cleaning processes, withdrawing the ball valve overhauling seal, flushing with tap water, washing with acid, flushing with tap water after the acid washing, adding an alkali solvent for neutralization, flushing with tap water, performing surface passivation and flushing with tap water; and checking the cleaning effect. Nitric acid is used as a main cleaning agent and has strong capability of dissolving water scales, ferric oxide and rust scales and high reaction rate, and the reacted waste water is easily treated; and by cleaning the water scales of the throwing and withdrawing cavities of the ball valve overhauling seal, the service life of a ball valve sealing ring can be prolonged, the ball valve overhauling period is prolonged, the water leakage of a unit in a halting state is effectively reduced, the running safety and the running stability of the unit are improved, and the economic running capability of the unit is improved.

The invention discloses a data backup method. The method comprises the following steps of after receiving data sent by a host, sequentially writing the data into a source volume and a memory; when thedata is written into the memory, sending the feedback information to the host; and sequentially transmitting the data to a memory of the remote equipment according to the time of writing the data into the memory, so that the remote equipment writes the data written into the memory into a target volume. According to the data backup method, the remote backup of the data can be effectively realizedwhile the host service is not influenced, and the data sequence is guaranteed. The invention further discloses a data backup device and equipment and a computer readable storage medium which all havethe above technical effects.

The invention discloses a power module, comprising: a voltage conversion unit for converting an input voltage into a voltage suitable for a load, and powering the load; an energy storage unit for storing electric energy and powering the load. By providing the energy storage unit, the energy storage unit can be charged for storing electric energy when the input voltage is normal; when there is sudden interruption of the input voltage, powering the load with the energy storage unit; therefore, backup time for the power module to power the load is extended, the fact that forced shutdown of a load appliance due to sudden power-off affects the life of the load appliance and even leads to business interruption and data loss can be avoided.

The invention provides a storage bin ad a hazardous gas detection device. The storage bin comprises a plurality of groups of sensitive components for detecting hazardous gas, a turntable and a turntable connecting piece, the turntable connecting piece is connected with the middle of the turntable, the turntable connecting piece is connected with transmission equipment for automatically replacing the sensitive components, and the plurality of groups of sensitive assemblies are arranged around the periphery of the bottom of the turntable. By arranging the turntable and the turntable connecting piece, the transmission equipment for automatically replacing the sensitive assembly and the storage bin are convenient to install and maintain, the working efficiency is improved, and the production cost is reduced.

The invention relates to a technical method and system for quickly realizing recovery of an operating system, and the method comprises the following steps that S1, a central processing unit backs up a real host data file to a cloud database; S2, the central processing unit uses the simulation host as a current operation environment to install an operation system on a simulation host; S3, the central processing unit judges whether the simulation host operating system is installed to a real host or not according to the current system stability of the simulation host; S4, the central processing unit installs the current simulation host operating system to the real host, and judges whether to recover a real host operating system according to the backup data file of the cloud database according to the system stability of the real host. The system comprises the real host, the simulation host, the cloud database and the central processing unit. According to the invention, the central processing unit compares the obtained system stability of the current simulation host with the preset system stability standard value, and judges whether the current simulation host operating system is installed in the real host or not.

The present invention discloses a triple input smart power supply module capable to work with solar power, utility power or battery to empower the desktop PC and any other gadgets where final power source is DC, to stand brown outs and black outs reliably and saving 58 to 65% of power and much more when connected with solar panel. For PC application it comprises of 10-16V DC-DC ATX PC power supplies, 15V DC power supply from 230V AC using PFC techniques, switching rectifier circuits, a solar panel within the range 50-80 Wp, 12V SMF battery, a current limited charger circuit and a monitor working on 12V DC. The invention will be a revolutionary and path breaking venture in the production and use of “Green PCs”. Scope of TRISP is not limited to PCs and it can be extended to any gadget requiring steady and clean input power with a backup facility, where final input power source is DC.

The invention discloses an on-line cleaning method for a ball valve overhauling seal in a range of overhauling and maintenance of power plant equipment. The method comprises the following steps of: selecting an on-line cleaning device, a cleaning agent and cleaning processes, withdrawing the ball valve overhauling seal, flushing with tap water, washing with acid, flushing with tap water after the acid washing, adding an alkali solvent for neutralization, flushing with tap water, performing surface passivation and flushing with tap water; and checking the cleaning effect. Nitric acid is used as a main cleaning agent and has strong capability of dissolving water scales, ferric oxide and rust scales and high reaction rate, and the reacted waste water is easily treated; and by cleaning the water scales of the throwing and withdrawing cavities of the ball valve overhauling seal, the service life of a ball valve sealing ring can be prolonged, the ball valve overhauling period is prolonged, the water leakage of a unit in a halting state is effectively reduced, the running safety and the running stability of the unit are improved, and the economic running capability of the unit is improved.

The invention relates to a UPS second disconnection circuit and a second disconnection method. the circuit comprises a plurality of dial switch I / O-N, the input end is electrically connected with a DSP chip, the output end is connected with a base electrode of an audion QN, an emitting electrode of the audion QN is grounded, a collector electrode is connected with one end of a relay JQN coil, the other end of the coil is connected with a power supply VCC end, a normally-closed contact 3 is connected with loads, and a public end 4 is connected with a UPS output end. The 0 position of the dial switch is set to be unlimited by UPS battery voltages, and the loads are disconnected after the UPS battery voltages are discharged. 1 position is set to be that the UPS output is disconnected with corresponding loads through the relay JQN when the battery voltages are reduced to respective thresholds. By means of the circuit and the method, power supply for secondary loads can be cut off automatically during outage of the mains supply, the circuit can be connected automatically after the mains supply is restored to be normal, and accordingly, the main load back-up time is prolonged; the circuit safety is reliable, the cost is low, and damage to the batteries due to discharging of large currents is prevented.

The invention provides an intelligent power distribution device and an intelligent power distribution system, and relates to the technical field of power supply management, and the device comprises apower supply and a battery, and also comprises a DC input circuit, a power-off mechanism, user equipment, and control equipment. The battery is connected with a first port of the power supply. A second port of the power supply is connected with a first port of the direct current input circuit, a first port of the power-off mechanism is connected with a second port of the direct current input circuit, a second port of the power-off mechanism is connected with the user equipment, and a pin of the control equipment is connected with a third port of the power-off mechanism; the power supply is used for providing a working power supply; the battery is used for providing a standby working power supply; the control equipment is used for sending a breaking command to the power-off mechanism according to a set power-off condition; and the power-off mechanism is used for receiving the breaking command and disconnecting the circuit. According to the invention, the expansion cost of the newly added user equipment can be reduced.

The invention provides a hierarchical starting mining intrinsic safety power supply which at least comprises a DC / DC (direct-current) power supply unit, a safety grid circuit, a storage battery, a power supply control circuit, a storage battery power supply control circuit, a voltage comparison unit and a control unit. The DC / DC power supply unit is used for receiving direct current and boosting or reducing voltage of the direct current, the voltage comparison unit is used for acquiring the voltage of the storage battery and comparing the voltage with set reference voltage, the DC / DC power supply unit is electrically connected with the safety grid circuit through the power supply control circuit, the storage battery is electrically connected with the safety grid circuit through the storage battery power supply control circuit, an input end of the voltage comparison unit is electrically connected with the storage battery, an output end of the voltage comparison unit is electrically connected with the DC / DC power supply unit, the DC / DC power supply unit supplies power for the control unit, the control unit outputs control signals to the power supply control circuit and the storage battery power supply control circuit and is further electrically connected with a positive electrode of the storage battery. The hierarchical starting mining intrinsic safety power supply can avoid false triggering caused by high current in starting of the intrinsic safety power supply, and stable and persistent operation of the intrinsic safety power supply can be guaranteed, so that the on-load capacity of the intrinsic safety power supply is enhanced.

The invention discloses a servo computer set which comprises a power chassis, at least one system chassis, a first battery spare module and a second battery spare module, wherein the power chassis is used for supplying high-voltage direct current; the system chassis comprises a plurality of system units; the high-voltage direct current is distributed to each of the system units by the system chassis; each of the system units comprises a transformer and an internal circuit; the transformer is used for converting high-voltage direct current into low-voltage direct current which is used for driving the internal circuit; the first battery spare module is coupled between the power chassis and the system units and is used for supplying the spare high-voltage direct current; and the second battery spare module is arranged in the system units, is coupled between the transformers and the internal circuits and is used for supplying the spare low-voltage direct current.

In order to be able to control the creation of a user channel connection in a communication system using wireless communication between at least one mobile part and one wired part in such a way that a user channel connection is established more quickly upon a connection request indicated by the mobile part or the wired part for the purpose of transmitting user data and, at the same time, due to market requirements, no synchronization pulses are sent by the wired part in the idle state, an initiating device of the communication system (for example, for an incoming call: base station; for an outgoing call: mobile part) sends, from an asynchronous idle state, synchronization pulses (SB) to all available physical resources. Due to the plurality of the sent, available synchronization pulses (SB), rapid synchronization is ensured because the probability is sufficiently increased thereby that a pulse will fall in the search window of a receiver.

The invention discloses an emergency power supply device for power generation through aluminum-water hydrogen production. The emergency power supply device comprises a normal-pressure aluminum-water hydrogen production module, a fuel cell module, a conversion module, an output changeover switch, a monitoring control module and an auxiliary power supply module, wherein the normal-pressure aluminum-water hydrogen production module carries out an aluminum-water reaction to generate hydrogen, and the fuel cell module receives the hydrogen, converts the hydrogen into electric energy and outputs theelectric energy; through the conversion module, the electric energy is converted into output voltage, and city power and the output voltage are controlled by the output changeover switch to change over and supply power to loads; through the monitoring control module, the state of the city power connected with the loads is detected, starting signals are generated when the city power is cut off orabnormal, and the monitoring control module controls starting of all the modules of the emergency power supply device according to the starting signals, and controls the output changeover switch to change over and connect the output voltage with the loads; the auxiliary power supply module stores electric energy and supplies power to all the modules during starting. The emergency power supply device for power generation through aluminum-water hydrogen production is small in size, light in weight, long in backup time, high in applicability, free of discharging, pollution and noise and safe in using.

The invention provides a power supply method for iron towers based on differentiated power backup equipment, relates to the field of power tower backup, and can meet the power backup needs of original backup batteries and crude oil generators after adding 5G equipment from different operators to base stations. The power supply method of the iron tower includes the following steps: Step 1. After the mains supply is interrupted, N pieces of backup power supply are discharged to supply power to X devices, N≥2, X≥2; Step 2. Turn off M pieces of backup power alternately, start the generator to Among them, Y devices supply power, and the remaining N‑M backup power supplies supply power to the remaining X‑Y devices, Y≥1, M≥1; Step 3: The backup power supply reaches the primary power-off voltage, and enables differentiated backup power supply to X devices Power supply; step 4, when the mains power supply is restored, the mains power is used to supply power to X devices, and the mains power is also charged to N spare power sources. In the present invention, part or all of the M backup power supplies alternately correspond to the number of N-M backup power supplies, and the generator is used to supply power to Y devices, which can extend the backup time.

The invention provides a load power distribution method which is applied to an uninterruptible power supply parallel operation redundant system. The system comprises a load and a plurality of uninterruptible power supply devices, and the power supply mode of each uninterruptible power supply device comprises a commercial power supply mode and a battery power supply mode. The plurality of uninterruptible power supply devices supply power to the load together. The method comprises the following steps: monitoring power supply modes of a plurality of uninterruptible power supply devices; when it is confirmed that any two uninterruptible power supply devices in the multiple uninterruptible power supply devices are in different power supply modes, increasing the load power borne by the uninterruptible power supply device in the mains supply mode, and reducing the load power borne by the uninterruptible power supply device in the battery power supply mode. The invention further provides a load distribution device and an uninterruptible power supply parallel operation redundancy system, the backup time of the uninterruptible power supply parallel operation redundancy system can be prolonged, and thereby, the reliability of the uninterruptible power supply parallel operation redundancy system is improved.