205results about How to "Reduce installation complexity" patented technology

Deploying a wireless local area network of plural information handling systems interfaced with each other and a printer is simplified by integrating printing and networking components in a common housing. For instance, a wireless access point, print server, router and modem are disposed in a printer housing and powered by a common power source. An installation package provided on a portable storage medium, such as a CD or DVD, includes drivers and applications that support interaction of information handling systems with the printer and networking components. The installation package reduces complexity associated with configuration of a wireless local area network by presenting an interface that substantially simultaneously installs drivers and applications for printer and networking components on networked information handling systems.

A video conference system based on Soft-MCU includes a server, a video conference terminal BHU-ICT, a computer terminals and video communication system procedures, wherein, the video conference terminal BHU-ICT is composed by a digital video camera, a microphone, and an audio and video encoder. The digital video camera and the microphone are respectively connected to the audio and video encoder, the encoder, the server and the computer terminal are connected on the network, and the procedures are respectively running in the server and the computer terminal. The digital video camera and the microphone acquire the audio and video information of the meeting place, and use the encoder to execute hardware coding. A media control procedure runs on the computer terminal, and an MCU service procedure run on the server terminal, uses the Ethernet to exchange the audio and video information with the encoder, for performing audio and video communications. All of the texts, requests, commands and other information formats in the system control signaling system conform to the XML standard. The invention constructs a remote network video communications platform with high-quality, high stability and high security, which can be widely used in party and government organs and enterprises and institutions. The invention has advantages of reduced system cost, reduced travel costs, shortened decision cycles and enhanced work efficiency.

The invention relates to an octagonal battery-equipped array upright post micro satellite configuration. A satellite is designed into a non-equilateral symmetrical octagonal upright post structure; simultaneously, the octagonal configuration and the internal space design of the satellite are optimized; the satellite is partitioned into a platform cabin and a load cabin; a cabin section between a top plate and a middle plate is the platform cabin; and a cabin section between the middle plate and a bottom plate is the load cabin. Each cabin section is partitioned into three regions through a +Y clapboard and a -Y clapboard; according to equipment enveloping size, reasonable layout and arrangement are performed, the design of a main force transfer path is optimized and cable direction and the insertion space of an electric connector are fully considered, so that a compact and reasonable structural space can be ensured; simultaneously, an enveloping space provided for carrying rocket is fully utilized and the solar cell installation area of a satellite body is enlarged to the greatest extent.

The invention relates to a cable parallel driving based offshore cage cleaning robot and a cleaning method. The robot comprises a tail end cleaning mechanism, a motion controller and at least two flexible rope parallel branch chains uniformly distributed on a cage body, wherein the tail end cleaning mechanism is located in the cage, and the flexible rope parallel branch chains are connected between the cage body and the tail end cleaning mechanism; each flexible rope parallel branch chain comprises a winding motor fixed on the cage body as well as a driving cable, and the driving cable is connected to the tail end cleaning mechanism by the winding motor; the motion controller controls coordinating motion of the at least two flexible rope parallel branch chains, so that the tail end cleaning mechanism performs underwater three-dimensional motion in the cage. Underwater three-dimensional motion of the tail end cleaning mechanism is realized by means of a parallel driving manner, multiple driving cables of the tail end cleaning mechanism are mutually restrained, so that underwater stability is improved, positioning precision is improved easily, and the requirement of the offshore cage for automatic cleaning can be met.

The invention discloses a radio frequency front-end frequency selection circuit and a signal receiving method thereof. The circuit comprises: an antenna used for coupling and receiving a radio frequency signal; a first multipath switch used for selecting the radio frequency signal to a microstrip filter of a corresponding frequency band; the microstrip filter used for filtering an out-of-band interference signal; a low noise amplifier used for amplifying the useful radio frequency signal; and a filter group used for filtering the amplified signal; a second multipath switch used for switching the radio frequency signal obtained by the filter group to a subsequent link of a receiver to be processed. The method comprises the steps that: the radio frequency signal is coupled to a radio frequency link by the antenna, the first multipath switch switches the radio frequency signal to the microstrip filter of the corresponding frequency band, the microstrip filter filters the out-of-band interference signal and amplifies and filters the useful signal for the second time, and finally the signal is switched to the subsequent link of the receiver to be processed. The radio frequency front-end frequency selection circuit disclosed by the invention has the advantages of miniaturization, integration and strong expansibility.

The invention discloses a photovoltaic power generation system and a fast switching off method thereof. The photovoltaic power generation system includes a photovoltaic array panel unit, a junction box and an inverter. The photovoltaic array panel unit includes a photovoltaic array panel and a switching off apparatus. The switching off apparatus is in electrical connection to the photovoltaic array panel and is connected to the inverter through high voltage power transmission lines. The photovoltaic power generation system also includes a switching off apparatus controller which is coupled to the high voltage power transmission lines and is intended for receiving a first detection signal which reflects the state of the AC side of the inverter, determining whether the AC side of the inverter is powered off on the basis of the first detection signal, outputting a first power off signal when the AC side of the inverter is powered off, and transmitting the first power off signal to the photovoltaic array panel unit through the high voltage power transmission lines. The switching off apparatus of the photovoltaic array panel unit is intended for receiving the first power off signal and forbidding electricity transmission to the inverter on the basis of the first power off signal. According to the invention, the method herein lowers the difficulty of installing a photovoltaic power generation system and the complexity.

The invention discloses a method and a device for detecting dimensions of a target object. A baseline of a stereo camera and a reference plane are parallel, optical axes of the stereo camera are parallel, and the reference plane is contained in the visual field. The method comprises steps that pre-calibrated inner and outer parameters of the stereo camera are utilized, and epipolar correction on a first image and a second image of images shot through the stereo camera is carried out; a target object area of the first image is determined; the boundary of a target object in the target object area is determined after epipolar correction; the parallax of each row of pixel points of the target object area after epipolar correction in the second image after epipolar correction is determined; and the dimensions of the target object are determined according to the parallax and the boundary. The method solves problems that a laser distance measurement detection mode has disadvantages of high mounting complexity level and high hardware cost and cannot guarantee measurement precision.

The invention discloses a method for analyzing and detecting bearing pad vibration by images, comprising steps as follows: (1) an image acquisition device is installed; (2) based on displayed images, the image acquisition device is fine-tuned until the image effect is the best; (3) correction is carried out on a distortion parameter of the stored images; (4) a computer works out the amplitude of bearing pad vibration by real-time identification and recording of the position of the bearing pad. The method for analyzing and detecting bearing pad vibration by images of the invention automatically record the whole process of bearing pad vibration, gives a warning when vibration amplitude exceeds safety range, shoots the bearing pad by the image acquisition device and adopts a non-contact measurement method without having to make major changes on an original mechanical device or leading detection personnel to approach the device. Compared with the traditional detection device, the invention has the advantages that the structure is simple, the cost is greatly reduced, the assembly and management is more convenient, a chart can be automatically generated, personnel can iconically observe the vibration of the bearing, and the maintenance is convenient.

The invention provides a satellite signal processor, which solves the problem that an existing satellite set top box needs to transmit a broadcast satellite television signal and a positioning signal to the satellite set top box through different data lines, thus the installation complexity and installation cost are increased. The satellite signal processor comprises a tuner used for receiving the broadcast satellite television signal, and performing mixing and amplifying processing on the broadcast satellite television signal; an active antenna unit used for receiving a positioning signal of a Global Navigation Satellite System GNSS, and performing amplifying processing on the positioning signal of the GNSS; an intermediate frequency signal processing unit used for performing attenuation processing on a wideband noise level in a satellite television intermediate frequency signal outputted by the tuner, wherein a difference value of the power of the wideband noise level of the attenuated satellite television intermediate frequency signal and the power of the positioning signal of the GNSS outputted by the active antenna unit is smaller than a preset threshold; and a first combiner used for combining the amplified positioning signal of the GNSS and the attenuated satellite television intermediate frequency signal, and transmitting the combined signals to the satellite set top box.

The invention relates to a novel brushless motor fuel pump. In the technical scheme, a brushless motor controller is connected outside the fuel pump, namely one end of an electronic plug-in part is connected with a fuel pump motor stator, and the other end of the electronic plug-in part is connected with the brushless motor controller; a vehicle-mounted power supply is connected outside and an integrated circuit is connected inside a voltage-stabilizing and filtering circuit in the brushless motor controller; the integrated circuit is respectively connected with a peripheral resistance-capacitance circuit and a three-phase bridge inverter; and a starting circuit and three-phase feedback voltage in the integrated circuit are connected with a phase locked logic phase change circuit respectively. The defects that a position sensor has low sealing property, ages quickly, is corroded, and the like are overcome. By a counter potential reversing technology, the pump can effectively resist fuel corrosion and fuel electric conduction, can be suitable for various liquid fuels such as gasoline, methanol, ethanol and the like, has high reliability, small volume, long service life and low price, is convenient to install, reduces a motor gap, and improves motor output and motor efficiency, and the volume of a pump body is reduced.

The invention discloses an elevator car power supply device which comprises an electricity generation unit and an electric energy processing unit, wherein the electricity generation unit is fixed on an elevator car and uses lifting motion of the car to generate electricity, and the electric energy processing unit is fixed on the elevator car, processes the electric energy output by the electricity generation unit and provides the electric energy to power devices of the elevator car. The electricity generation unit uses the lifting motion of the car to generate electricity, and the generated electricity is provided for the power devices of the elevator car after being processed by the electric energy processing unit. The elevator car power supply device does not need to guarantee a distance between a power supply line and a powered device and is low in installation complex degree and accuracy requirements, quantity of device components and cost are not increased along increase of height of buildings or quantity of layer stations, the car can be powered while the car does the lifting motion, and regeneration energy of an elevator motor is used for supplying electricity to accordingly achieve energy saving of an elevator. The invention further discloses a control method of the elevator car power supply device.

The invention provides an automatic reduction method for a virtual machine. The method comprises the following steps: a, starting the virtual machine; b, judging whether the virtual machine starts an automatic reduction mode or not, if yes, entering step c; c, creating a temporary file and storing all read-in data; d, closing the virtual machine and deleting the temporary file data; and e, restarting the virtual machine to restore the initial disk state, namely the just created disk state of the virtual machine. By adopting the method, manual software installation by an IT (Information Technology) administrator is not needed, thereby being simple and convenient, and simultaneously enhancing the virtualized data backup capacity, and the method has the advantages of low installation complexity and maintenance complexity, low maintenance cost, and the like.

The invention discloses a structure and a mounting method of a flow measurement sensor based on a transit time method. The structure comprises first flow measurement sensors and second flow measurement sensors which are arranged pairwise and vertically mounted on the wall of a pipeline, wherein wave beam ends capable of transmitting and receiving wave beams are arranged at bottom ends of the firstflow measurement sensors and the second flow measurement sensors, and wave bean straight lines formed between first wave beam ends and second wave beam ends do not intersect with the axis of the pipeline, and the included angle formed by the wave beam straight lines and the axis of the pipeline is smaller than 90 degrees. The flow measurement sensors are vertically mounted on the wall of the pipeline, the mounting complexity and the mounting cost of the flow measurement sensors are reduced, besides, wave beam straight lines do not intersect with the axis of the pipeline, the included angle formed by the wave beam straight lines and the axis of the pipeline is smaller than 90 degrees, so that the effects of Reynolds numbers of fluids on measurement coefficients are reduced, and the high-flow-velocity multi-working-condition flow measurement accuracy is improved. The structure and the mounting method can be widely applied to the flow measurement field.

The invention provides a six-dimensional seismic wave measuring device based on a composite interferometer. The device comprises an optical fiber sensing shell 12, a sensing module 13, a composite interferometer 14 and a photoelectric conversion module 15, a data acquisition processing module 16; a light path of the composite interferometer 14 mainly comprises light source input; a circulator 143,couplers 144, 146, 147, 148, 148, 149, 149. a polarizer 142, a wavelength division multiplexer 145. A Mach-Zehnder interferometer and Sagnac interferometer composite optical structure is adopted, theinfluence of temperature on measurement is eliminated through double polarization maintaining optical paths, six-dimensional measurement of seismic waves is achieved through a mandrel type integratedstructure, and the miniaturization design of the optical fiber seismometer is achieved.

The invention provides an automatic recovery method for a server integrated machine. The automatic recovery method includes the steps: a, firstly judging whether a data backup area is normal or not according to a recovery mode selected by a user through a system; b, determining that a virtual machine detects system configuration information and deletes current configuration in an off state if the data backup area is normal; and c, copying an original configuration file from the data backup area of the system, covering a current configuration file, removing a magnetic disk file of a server and rebuilding a magnetic disk file for the server. According to the automatic recovery method for the server integrated machine, installation and maintenance complexity is low, and maintenance cost is reduced.