1812results about How to "Guaranteed uptime" patented technology

The present invention provides a radiator for a light emitting unit, annexed to the light emitting unit including a multiplicity of light emitting diodes mounted on substantially the same axis line on a first principal surface of a wiring substrate. The radiator includes a radiating plate and a heat pipe. The radiating plate is combined with the wiring substrate, with a first principal surface faced as a faying surface to a second principal surface opposite to the first principal surface of the wiring substrate, and is provided with a heat pipe fitting portion. The heat pipe is mounted into the heat pipe fitting portion of the radiating plate while keeping close contact with the inner wall of the heat pipe fitting portion. The heat generated from the light emitting diode group is transferred to a radiating means through the radiating plate and the heat pipe.

The invention relates to a monitoring and abnormal process method of computer application program. It includes the following steps: starting monitoring progress; staring application progress; monitoring progress and timely acquiring state information of application progress that could be feedback to monitoring progress; if there is no feedback information in set time or the information is abnormal, the monitoring progress would send stop information or directly stop the application progress, and starting the application progress. It could not only monitor the working state of the application progress and take monitoring to plural module, and take process to abnormal program. The invention also adds a inner starting process to ensure the program running normally.

An air filter sensor kit and method of using the same for permitting a person to modify the filtering portion of a heating or cooling system that uses an air filter to enable the determination of when the air filter is dirty and needs changing. The air filter sensor kit includes an air filter sensor with a portion shaped for insertion through the air filter and a portion with an indicator for indicating the condition of the air filter. The kit includes an air filter sensor connecting and support member for connecting the air filter sensor to an air filter grill and for supporting the air filter sensor and a cutting tool for cutting a hole in an air filter grill to allow the passage of a portion of the air filter sensor connecting and support member to permit a portion of the air filter sensor to be inserted through the air filter. The air filter sensor kit also includes a cutting tool guide that is adjustable to conform to various configurations of air filter grills.

An active agent delivery device is operable to deliver an active agent such as a drug or therapeutic agent to a biological interface such as skin or mucous membrane. The device, such as an iontophoresis device, may include one or more human-perceptible indicators operable to provide an indication of a malfunction or other defective condition of the device. Detectors may be provided to detect a value of a characteristic or parameter associated with one or more components of the device, with the value being usable to determine whether a defective condition may exist.

Multi-voice speech recognition systems and methods are provided. A speech recognition apparatus may include a plurality of speech recognition means operating in parallel; means for determining the best scoring hypothesis for each speech recognition means and the best overall score; and pruning means for pruning of hypotheses of the speech recognition means based on the best overall score.

An air inlet valve assembly for a rotary scroll compressor is disclosed. The rotary scroll compressor includes stationary and orbiting scroll elements which are intermeshed and nested to form at least one spiraling compression pocket therebetween, a drive mechanism drives the orbiting scroll element in an orbit about the stationary scroll element, and an anti-rotation bearing device maintains the orbiting scroll element substantially non-rotational with respect to the stationary scroll element. The air inlet valve assembly supplies an uncompressed gas (e.g., ambient air) to the compression apparatus and prevents backward rotation of the orbiting scroll element when power to the drive mechanism is terminated. The air inlet valve assembly includes a valve piston positioned within an air intake channel leading to the suction region of the rotary scroll compressor, the valve piston having a first position blocking the air intake channel and a second position unblocking the air intake channel. A valve stem member is connected to a valve housing, the valve housing enclosed a valve cavity wherein the valve piston is located, the valve piston coacts with a valve seat formed on the valve housing, and stop surfaces are provided on the valve piston and the valve stem to limit movement of the valve piston toward the suction region of the rotary scroll compressor.

The invention relates to a monitoring method of a turbine generator condition, a monitoring device of a turbine generator condition and a monitoring system of a turbine generator condition. The control method of the turbine generator condition comprises the steps of obtaining a vibration signal of the top of a wind turbine generator tower; performing vibration signal analysis which comprises time-domain analysis and frequency-domain analysis to obtain a time-domain feature value and a frequency-domain feature value reflecting a vibration condition of the top of the wind turbine generator tower; and judging conditions of the wind turbine generator tower and a substrate of the wind turbine generator according to the time-domain feature value and the frequency-domain feature value. According to the monitoring method of the turbine generator condition, the monitoring device of the turbine generator condition and the monitoring system of the turbine generator condition, the vibration signal of the top of the wind turbine generator tower and the substrate is detected and is time-domain analyzed and frequency-domain analyzed so that the time-domain feature value and the frequency-domain feature value reflecting the condition of the tower and the substrate are obtained. The time-domain feature value and the frequency-domain feature value are compared with a set value so that whether the wind turbine generator tower and the substrate are declined can be judged. The monitoring method of the turbine generator condition, the monitoring device of the turbine generator condition and the monitoring system of the turbine generator condition have the advantages of real-time monitoring the conditions of the tower and the substrate, ensuring normal operation of the wind turbine generator and prolonging service life of the wind turbine generator.

A self-loading utility knife including an elongate handle having an internal chamber defining an axis and at one end is flat aperture for the passage of an active blade. The flat aperture defines a cutting plane extending through said handle along the axis. A blade-holder is slidably mounted in the chamber for movements in directions along the axis and is adapted to secure a single active blade for movement through the aperture when the blade holder is in the extended position. A blade-holder release button is coupled to the blade holder and is slidingly movable relative to the handle to move blade holder between retracted and extended positions. The handle has a blade compartment which is open to the chamber and can receive a stack of spare blades when a cover to the compartment is opened and blades can be shifted transversely relative to the axis into the chamber. The blade holder is provided with a recess having a depth no greater than the thickness of one blade to allow at least a portion of a single blade to be received in a retaining relationship within the recess to cause an end-most blade in the stack to be received within said recess to follow the movements of the blade holder. A spring biases the blades in the blade compartment inwardly in the direction of the blade holder. A blade releasing disc on the blade holder selectively locks a blade to the blade holder when the blade holder is in the extended position. The blade holder only receives a single blade within the recess. A belt clip s provided on the compartment cover.

A lens moving unit for a camera module is disclosed. The lens moving unit includes a first lens moving unit, a second lens moving unit, and a cover member to encompass the first and second lens moving units by being coupled to a base. The first lens moving unit moves in response to the interaction between a magnet and a coil. The lens moving unit is configured to miniaturize a camera module and configured to include a handshake correction function for enhancement of operational reliability to simplify an assembly process.

The invention provides a method for realizing an MMC redundancy protection strategy based on carrier phase shift modulation, which comprises the following steps: firstly, the state of a sub-module is divided into the normal operation state and redundant standby state according to bypass switch state of the MMC sub-module; then the start-up mode of precharging the redundant sub-module is adopted, and a corresponding carrier dynamic allocator is designed to solve the problem that when a sub-module in the state of normal operation fails, carrier assignment problem exists during the operation of a redundant standby sub-module; finally in full consideration of the influence on capacitance pressure balancing and circulation inhibition strategies when the redundant standby sub-module is put into operation, a trigger with the redundancy protection function is designed; the designed redundancy protection strategy can improve the reliability of operation of the system, ensures that the current converter can continuously perform normal operation when the sub-module fails, the purpose that the failure sub-module is replaced with the redundant sub-module can be realized quickly at the same time, and obvious perturbation of the system can not be caused.

A wireless device according to the present invention minimizes the need for changing a communication route in an ad hoc network including wireless devices used for base stations, fixed stations, and mobile stations that are turned on/off or moved, wherein, when wireless devices cannot directly send or receive radio waves, data can be transmitted between them by relaying data via other wireless devices that can directly send or receive radio waves (multi-hopping). In selecting a communication route, a communication route that includes wireless devices that are turned off or moved least frequently is selected.

A drive power from an engine is transferred to front wheel drive systems and rear wheel drive systems via a central differential. A torque distribution ratio between front and rear wheels defined by the central differential is set to one for the front wheels being made too much thereof, with a motor generator being coupled to the rear wheel drive systems. In response to detection signals from various sensors for detecting the running conditions, a drive power control unit controls the additional torque from the motor generator toward the drive torque or regenerative braking torque side, thereby changing the torque distribution ratio between the front and rear wheels. Thus, a degree of flexibility in making a change in the torque distribution between front and rear wheels or between right and left wheels is increased, thereby realizing an all-wheel drivable hybrid vehicle which provides further improved running performance.

An apparatus for monitoring a sliding contact element in an electrical rotating machine, in particular a generator, includes a holder for the sliding contact element and a sensor for detection of a state variable of the sliding contact element. An evaluation unit is also provided for evaluation of the state variable which is detected by the sensor, with signals from the sensor being transmitted to the evaluation unit without using wires. The wire-free transmission makes the apparatus particularly maintenance-friendly.

The invention belongs to the technical field of air conditioners and particularly relates to an air conditioner defrosting control method. The problem that in an existing defrosting mode, failures occur to a defrosting sensor of an outdoor unit, and thus an air conditioner cannot be normally defrosted is solved. The air conditioner defrosting control method comprises the following steps that underthe situation that the air conditioner operates in a heating mode, the temperature of an indoor unit coil pipe is detected; the continuous operating time of a compressor is detected; and according tothe temperature of the indoor unit coil pipe and the continuous operating time of the compressor, whether the air conditioner is made to enter into a defrosting mode or not is judged. The air conditioner defrosting control method is independent of the outdoor unit defrosting sensor, the opportunity that the air conditioner enters into the defrosting mode is controlled only according to the temperature of the indoor unit coil pipe and the continuous operating time of the compressor, thus the air conditioner can defrost in time, and the heating effect is ensured accordingly.

It is an object of the invention to provide a technique for reducing vibration by counter weights which smoothly operate without linearly reciprocating, in a reciprocating power tool.

The reciprocating power tool has first and second bevel gears 123, 147 which are opposed to each other on either side of a pinion 119 and rotationally driven in opposite directions at the same reduction ratio by the pinion 119. Further, the reciprocating power tool has a slider 107 which is caused to linearly reciprocate in a longitudinal direction of a tool bit 111 by a crank 129. The first and second bevel gears 123, 147 are provided with first and second counter weights 143, 145 in positions displaced from their rotation axes, respectively. When the first counter weight 143 and the second counter weight 145 revolve, components of the revolving motion in the longitudinal direction of the tool bit oppositely move with respect to linear motion of the slider 107, and the first counter weight 143 and the second counter weight 145 move in the same phase in the longitudinal direction of the tool bit 111 and are disposed on opposite sides of the rotation axis and at the same distance from the rotation axis in a direction transverse to the longitudinal direction of the tool bit 111.

The present invention relates to a power system protection and control system. The protection and control system comprises a control server which is connected with a communication channel, a file server, a data acquisition unit and a control actuating unit. The control server is used for receiving the information with a GPS time scale, which is transmitted by the data acquisition unit, so as to analyze and judge whether the system has a failure; then the circuit breaker of the power system is controlled by control actuating server. The file server is used for storing the historical data and order message of the control server. The data acquisition unit is used for measuring the analog quantity and state quantity of the power system, and has the GPS synchronic time-comparing function so that the measured data have the GPS time scale. The control actuating unit is used for receiving the order issued by the control server, so as to open and close the brake of the circuit breaker of the power system. In addition, the present invention also provides a method which can be used for automatically controlling the relaying protection and security of the power network. The method improves the capability of the power network to identify the failure, and avoids the major power failure of the power network.

The invention discloses a distributed message forwarding method, and belongs to the field of data interaction service. The method realizes configuration synchronization and state management between forwarding servers through a distributed management tool Zookeeper, each forwarding server is taken as a node of a Zookeeper cluster, each forwarding server node monitors states of other forwarding servers, and when the states of other forwarding server nodes are changed, tasks are redistributed to the changed forwarding servers through a load balancing algorithm. Compared to the prior art, the method provided by the invention provides a subscription/publishing function and realizes need-based customization of messages; the forwarding servers are main/standby servers relative to each other so that it is ensured that normal operation of service is not affected when any one forwarding server breaks down; forwarding failure messages are stored persistently so that data security is guaranteed; and conditional serialization caching is performed on high-coherence batch data so that service operation stability is guaranteed.

The invention relates to a warewashing chemical dispenser, enables a vacuum breaker to stably operate even at low pressures, makes individual systems and parts, which constitute a warewashing chemical dispenser, compact, and enables mounting of a container mounting and dismounting safety cut-off mechanism and an overflow preventive mechanism. A vacuum breaker for warewashing chemical dispensers, including an inlet path, an outlet path, a plate-shaped packing mounted on a lower end surface of a cap, and a valve disc provided on a vertical support shaft inserted through an air hole of the cap, the valve disc being moved up and down to be able to open and close the air hole, the vacuum breaker comprising an inlet passage provided in an inner chamber of a casing to form the inlet path substantially perpendicular to the outlet path, a vertical support shaft upper portion extended downwardly of a vertical support shaft of the valve disc, a vertical support shaft lower portion of the vertical support shaft formed to have a small diameter, a second O-ring mounted on an upper surface of the valve disc, the plate-shaped packing being mounted on a bottom surface of the cap opposed to the upper surface of the valve disc, and a cap dismounting lever provided centrally of an upper surface of the cap.

The method comprises: after receiving a message, when service board determines to learn the media access control (MAC) address of currently-received message, it learns the MAC address of currently-received message, and informs other devices in the apparatus where said service board is located to learn the MAC address of the currently-received message; when service boards receiving said notice determines to learn the MAC address of current message, it learns the MAC address of the current message. The invention also provides an apparatus for learning the MAC address.

The embodiment of the invention discloses a method for detecting discs, comprising the following steps: calculating the response time the discs need to perform the data read-write operation when the discs finish the operation; making the discs offline when the response time exceeds the preset time threshold value; and detecting the off-line discs to judge whether the discs are out of work. The embodiment of the invention also discloses a disc detection device and a storage controller. The embodiment of the invention can distinguish disks which get out of work for the time being but can still be used from the discs really out of work.

An electrical connector includes an insulating body, which has plural front and rear rows of accommodating troughs for receiving electrical conductive terminals, and two protective blocks protruded upwardly. The accommodating portion has a first accommodating portion, a second accommodating portion extending laterally from the first accommodating portion, and a third accommodating portion extending rearwards from the first accommodating portion. A rear row of the second accommodating portions are located behind the adjacent front row of third accommodating portions. The electrical conductive terminal has a base, a material-belt connecting portion extending from one side of the base, an elastic arm extending from the elastic arm. The elastic arm is adjacent to and exceeds the material-belt connecting portion. The elastic arms of the rear row of the electrical conductive terminals are located between the two adjacent elastic arms of the front row of the electrical conductive terminals.

The invention discloses a method for controlling an outdoor fan of an air conditioner according to the environmental wind direction. The method includes detecting the environmental wind direction first; setting the rotation of the outdoor fan to be forward so that wind is discharged from an air outlet when the environmental wind blows from an air inlet to the air outlet of the outdoor fan; and setting the rotation of the outdoor fan to be reverse so that wind is discharged from the air inlet when the environmental wind blows from the air outlet to the air inlet of the outdoor fan. According to the method, the operation status of the outdoor fan is adjusted according to the environmental wind direction, and therefore a system can utilize natural resources fully to achieve efficient operation of the air conditioner. When the environmental wind direction is opposite to the air outlet direction of the existing air conditioner, the air volume can be prevented from reducing or even be improved and complete heat exchange of a heat exchanger can be guaranteed through shutdown or reverse rotation control of the outdoor fan; and when the environmental wind direction is the same with the air outlet direction of the existing air conditioner, the outdoor fan is controlled to be shut down or the rotation speed is reduced, therefore the overall operation power of the air conditioner is reduced and efficient and energy-saving functions are performed when the heat exchange is guaranteed.

The embodiment of the invention discloses methods and systems for collecting and uploading logs, relating to the technical field of networks. The methods and the systems are designed in order to effectively avoid resource occupation because of collecting the logs. The method for collecting the logs comprises the following steps of: sending a log collection order which comprises constraint conditions required to be satisfied by the logs; and receiving the logs satisfying the constraint conditions. The method for uploading the logs comprises the following steps: receiving the log collection order; analyzing the constraint conditions contained in the log collection order; searching the logs satisfying the constraint conditions; and uploading the logs. Corresponding to the methods, the embodiment of the invention also provides systems for collecting and uploading logs, comprising a log collection unit, a storage unit and a log uploading unit. The embodiment disclosed by the invention is used for collecting network system logs.

The invention discloses a transformer fault diagnosis method based on a back propagation (BP) neural network. The transformer fault diagnosis method based on the BP neural network is capable of enabling content of characteristic gases in insulation oil to be used as input of the BP neural network, carrying out operation fault diagnosis of a transformer accurately, greatly improving accuracy of the fault diagnosis of the transformer, and ensuring that the transformer can run safely and reliably.

The invention discloses an automatic voltage control substation system of a distributed power station based on devices, which is suitable for automatic voltage control of a power system in the power station. The substation system comprises an automatic voltage control (AVC) workstation, a coordination control device and a plurality of execution control devices. For the convenience of on-site monitoring, a tablet computer is configured as an on-site operating panel. The invention fully meets the requirement of automatic voltage control of a high voltage bus bar in the power station, and has the characteristics of high universality, high reliability and high control accuracy. The invention realizes a high voltage bus bar voltage control function of the AVC substation in the power station, is suitable for the fields of thermal power, hydroelectric power, nuclear power and wind power, and supports a communication mode and a direct acquisition mode for acquiring real-time data required. In terms of hardware, the invention adopts industrial embedded devices and the design of power supply redundancy, controller redundancy and dual network redundancy, and in terms of software control algorithms, the invention considers various security constraint conditions and improves the reliability and anti-interference function of the system.

The invention discloses a method for allocating satellite network channels. The method comprises the steps as follows: GEO (geosychronons earth orbit) satellites are used for allocating channels for a plurality of waiting-in-line LEO (low earth orbit) satellites according to an FIFO (first in first out) principle; for LEO satellites sending call requests simultaneously, the GEO satellites allocate channels sequentially according to priority levels of the LEO satellite; the LEO satellites subjected to wave beam conversion utilize the channels in sequence of a common competitive channel and a reserved channel; and after the common competitive channel is used up, new-calling LEO satellites determine and use the reserved channels by a forcible occupy method. According to the method for allocating the satellite network channels, during satellite data communication, the GEO satellites can reasonably arrange the channels for the LEO satellites, so that the channels in the area covered by the GEO satellites can be utilized sufficiently, the LEO satellites receive the channels sequentially, and the normal operation of communication transmission is guaranteed.

A memory device is proposed which enables to guarantee the operation of MRAM elements being magnetically shielded against a large external magnetic fields without being affected by an internal leakage magnetic field. The MRAM elements 30 which are shielded by magnetic shield layers 33, 34 are placed at an intermediate region 41 avoiding an edge region 43 and a center region 42 of the magnetic shield layers 33, 34 so that the MRAM element is secured to operate normally without being affected by the internal leakage magnetic field avoiding the edge region 43 where the magnetic shield effect is reduced by the exterior magnetic field, and avoiding the central region 42 where the internal leakage magnetic field is large

LED drivers and LED driver controllers are disclosed for controlling one or more high-intensity LEDs. The LED driver controllers may control one or more LED drivers in multiple different ways, including controlling on times, off times, delays, current levels, and other parameters. The LED drivers may have fast response times in which the LEDs are illuminated within microseconds after receiving a control signal. The LED drivers may also include other features, including a current boost for temporarily illuminating the LEDs at levels exceeding their maximum continuous current rating, as well as brightness controls for the LEDs, and other features. The LED drivers and/or LED driver controllers may be especially suitable for LEDs used to provide lighting for high-speed visions systems.

A mobile electronic control device, such as an electronic key, is used to access or otherwise control the operations of a field device, such as an appliance, power tool, shipping container, etc. In a control event in which the mobile control device interacts with the field device via wired or wireless communications, the control device obtains the current location and the field device ID. The communications between the mobile control device and the field device may be secured with encryption. The location information is used by the mobile control device to determine whether the field device should be accessed or enabled. Alternatively, the location information may be stored separately in a location sensing device, and the control event data recorded by the key and the location information recorded by the location sensing device are later combined when they are downloaded into a management system for auditing. Moreover, an electronic access control device is disclosed comprising two microprocessors.

A device for the monitored filling of containers with tablets which includes a feed device for feeding tablets to a free-fall section and a capacitive sensor for checking each falling tablet in the free-fell section. In addition, the device includes a separating device for separating the bad tablets from the good tablets, the separating device being located below or underneath the sensor in the free-fall section. A control unit is included which is connected to the separating device and which actuates the separating device on the basis of the values supplied by the capacitive sensor.