2155results about How to "Does not affect normal work" patented technology

The invention discloses a distributed server load balancing method based on the SDN. Through the advantage of the SDN structure where a control face and a forwarding face are separated, a user access request arrives at a certain device on the SDN, then, an SDN controller dynamically dispatches the user access request to an appropriate server according to the network running state, and therefore server load balancing is achieved. By means of the distributed server load balancing method, comprehensive fault tolerance can be achieved from the access process and the forwarding process to the service process, the total load bearing capacity of a server cluster is brought into full play, and running expandability and running reliability of the whole system are improved.

The invention specifically relates to a current collector and application thereof, and a pole piece and a battery using the same, belonging to the field of batteries. The current collector of the invention comprises an insulating layer and a conducting layer, wherein the insulating layer is used for bearing the conducting layer; the conducting layer is used for bearing an electrode active materiallayer; and the normal-temperature film resistance Rs of the conducting layer is no less than 0.016 omega/sq and no more than 420 omega/sq. The current collector provided by the invention can greatlyincrease the short-circuit resistance of the battery in cases of abnormal conditions, allows short-circuit current to be greatly reduced, so heat produced by short circuits is greatly lowered, and heat produced at sites where internal short circuits occur can be totally absorbed by the battery; and thus, the influence of short-circuit damage to the battery is limited to certain points, only pointcircuit break occurs, and the normal operation of the battery in a short period of time is not affected.

The invention discloses a configuration, refreshing and program upgrading integrated system for an SRAM (Static Random Access Memory) type FPGA (Field Programmable Gate Array), belongs to the technical field of aerospace and aims to solve the problem of SEU (Single Event Upset) of the SRAM type FPGA in a spatial irradiation environment. The configuration, refreshing and program upgrading integrated system has a capability of performing program upgrading on the SRAM type FPGA which is in on-orbit work for a long time. The configuration, refreshing and program upgrading integrated system comprises an on-site programmable logic gate array SRAM type FPGA, a comprehensive management anti-fuse FPGA, a configuration program storage chip PROM (Programmable Read-Only Memory), an on-orbit upgrading program storage chip EEPORM (Electrically-Erasable Programmable Read-Only Memory) and an RS422 interface chip. The configuration, refreshing and program upgrading integrated system disclosed by the invention can be used for effectively solving the problem of the SEU of the SRAM type FPGA which is in on-orbit work for a long time and correcting the SEU and single event accumulation inside the SRAM type FPGA without being shut down, also has the function of on-orbit program upgrading of the SRAM type FPGA, and has the characteristics of instantaneity, reliability, flexibility, universality and low cost.

The invention discloses a virtual machine snapshot management method and a virtual machine snapshot management system of a cloud computing platform. The method comprises the following steps of: mainly performing the following steps when establishing a virtual machine snapshot for a virtual machine of a cluster node: a preparation step, if the virtual machine is in a running state, pausing the virtual machine by a control node of the cloud computing platform by calling a virtual machine management tool and establishing a memory snapshot of the virtual machine; disk snapshot step, calling a virtualization management tool to establish the disk snapshot of the virtual machine by the control node; and a subsequent processing step, if the virtual machine is in the running state, calling the virtualization management tool to restore running of the virtual machine by using the established memory snapshot. The invention provides good user snapshot management experience and guarantees consistency and stability of the cloud computing platform.

A dumachine control system of coaxial pilotless heligyro comprises two sets of ground units and one set of heligyro unit. It is featured as forming said ground unit by control machine platform, flying control table , remote control coder, remote detection decoder, ground control computer, control emitter/receiver and control antenna; forming heligyro unit by control antenna, control emitter/receiver, control video processing combination and low speed signal regulator.

The invention relates to an online system for testing the essential resistance and the voltage of a single cell of a fuel cell stack, comprising a testing unit, a programmed AC driving source, a blocking condenser, an electric current detecting module, a keyboard, an LCD unit and a storage unit, which is characterized in that the programmed AC driving source is serially connected with the blocking condenser and then parallel connected with an output end of a fuel cell, and the testing unit is used for controlling the frequency and the amplitude value of the AC driving source periodically through a communication interface and collecting the voltage and the electric current signals of each single cell in order for computing essential resistance; the electric current detecting module, the keyboard, the LCD unit and the storage unit are respectively connected with the testing unit which communicates with a main controller of galvanic pile and other equipments through the communication interface. The invention has compact and legible circuit, high reliability, moderate cost, high measurement precision, quick measurement speed and ample and scalable interfaces, and the invention satisfies the requirements of the real-time and high-precision testing of the essential resistance and the voltage of the single cell of the fuel cell stack.

The invention discloses a storehouse cleaning machine for cement storehouses. The storehouse cleaning machine for the cement storehouses comprises a base, a drill rod, a hanging mechanism, a storehouse cleaning mechanism and a swing mechanism which is used for controlling rotation of the storehouse cleaning mechanism; the hanging mechanism and the swing mechanism are arranged on the base; the hanging mechanism is connected with the storehouse cleaning mechanism through the drill rod. The storehouse cleaning machine for the cement storehouses has the advantages of enabling the storehouse cleaning mechanism shaking to be small during the storehouse cleaning process and being high in cleaning efficiency due to the fact that the hanging mechanism is connected with the storehouse cleaning mechanism through the drill rod; being applicable to various cement storehouses with different diameters, capable of being applied to cement storehouse wall with slope, convenient to utilize and wide in application range due to the extensible storehouse cleaning mechanism; being simple in structure, safe and reliable and suitable for industrialized application.

The invention provides a remote non-interference updating system and a remote non-interference updating method for vehicle control. The remote non-interference updating system comprises a remote control terminal, a remote control server, a control server and a vehicle controller; the remote control terminal receives update files and configuration parameters from the remote control server, detects whether the vehicle controller is in an idling state or not and sends an update control instruction to the same, and controls to switch the vehicle controller into a remote programming or parameter configuration mode by responding to the update control instruction if the vehicle controller is in the idling state. The remote control server acquires the update files and configuration parameters and transfers the same to the remote control terminal after receiving an update file acquisition instruction from the remote control terminal. The remote control terminal and the vehicle controller are in communication through a CAN bus to realize remote updating without a great deal of manual operation, and accordingly work of the vehicle controller is simplified relatively.

The invention relates to an unlocking device of a drawer panel. The unlocking device of the drawer panel comprises an adjustable seat which is arranged in the side plate of the drawer. The panel of a drawer is connected with the adjustable seat through connecting pieces. Locking mechanisms which are used for locking the connecting pieces is arranged on the adjustable seat. Each locking mechanism comprises an eccentric cam. The unlocking device of the drawer panel is characterized in that the panel is connected with more than two connecting pieces, more than two locking mechanisms are arranged on the adjustable seat, and a gear unlocking mechanism which is used for simultaneously unlocking the more than two connecting pieces is additionally arranged on the adjustable seat; and the gear unlocking mechanism comprises a movable piece and at least one unlocking gear, a gear rack is arranged on the movable piece corresponding to the unlocking gear and the movable piece is connected with the unlocking gear through the gear rack in a driving way. Since the unlocking gear is matched with the gear rack arranged on the movable piece to realize the simultaneous unlocking and disassembling of the panel and the normal working of the locking mechanism is not influenced by the length of the panel connecting pieces and the synchronism and asynchronism of inserting the panel connecting pieces, the goals of synchronously and asynchronously locking the entire drawer panel and synchronously unlocking the drawer panel are really realized and the flexibility is very high.

The embodiment of the invention discloses a method, a device and a terminal for controlling an indicator lamp. The device for controlling the indicator lamp comprises a judge module, a generating module and a control module, wherein the judge module is used for judging whether the indicator lamp is needed to be adjusted or not by judging whether a trigger condition meets a preset condition or not; the generating module is used for generating a control signal for adjusting the indicator lamp when the judge module confirms that the indicator lamp is needed to be adjusted; and the control module is used for adjusting the indicator lamp according to the control signal. According to the technical scheme of the invention, the indicator lamp of a component can be flexibly controlled while the component is not turned off, the turn-on/off of the indicator lamp of the component can be flexibly controlled or the luminance can be adjusted, the normal work of the component is not influenced, the normal life of a user is also free from being influenced and the user experience is increased.

The invention discloses a monitoring apparatus and method for equivalent series resistance (ESR) and capacitance (C) of a boost power factor correction (PFC) converter. The apparatus comprises a boost PFC converter main power circuit, a DC/DC converter unit, a power circuit control unit, a drive circuit, an output power Po sampling unit, a trigger pulse generating unit, a direct-current bus voltage V trigger sampling unit, a capacitor ESR and a capacitance C computing unit, and a display unit. The trigger pulse generating unit monitors an input voltage after rectification so as to obtain a sampling trigger pulse; the direct-current bus voltage trigger sampling unit monitors an average voltage value and obtains a voltage instantaneous value according to the trigger pulse sampling; the output power Po sampling unit monitors an output power of the converter; the data are sent to the capacitor ESR and a capacitance C computing unit and thus the current ESR value and the current C value of the output filter capacitor of the boost PFC converter are obtained; and the display unit carries out real-time displaying. According to the invention, on-line monitoring of the ESR and C values of the capacitor can be realized; the normal work of the converter is not influenced; and the basis is provided for service life prediction of the capacitor and the power supply.