391results about How to "Free installation" patented technology

A video search system based on image recognition and matching comprises a server side and a user side. The server side comprises a video collecting module, a video character feature collecting module, a video character information analysis module, a video preprocessing module, a video content analysis module, a video feature extraction module, a server database module, an image feature extraction module, a server control module and a user feedback information analysis and process module. The user side comprises a user search information uploading module, a video search result displaying module and a search result user feedback module. The invention provides a method for searching for videos through images. Good user experience is achieved; by uploading one image, a user can obtain video resource information related to the content of the image; the returned search result is accurate, the information amount is large, and mass video resources on the Internet can be fully utilized.

The invention relates to a multifunctional intelligent vehicle networking terminal and a method for implementing the multifunctional intelligent vehicle networking terminal, aiming to solve the problem that the existing vehicle-mounted satellite communication products do not have the function of automatically diagnosing the vehicles. The multifunctional intelligent vehicle networking terminal comprises hardware and software; the hardware comprises an upper cover, a lower cover, a satellite positioning system module, a communication antenna, a satellite positioning antenna and the like; the software comprises an operation system layer, a driving layer and an application program layer; the operating system is an embedded real-time operating system and takes charge of the scheduling, management and communication of all tasks; the driving layer is mainly used for completing the configuration, reading, writing and starting of all modules; and the application program layer is used for filling different functions by calling the interface function of the driving layer. Combined with an e-line vehicle networking service system and an intelligent mobile phone, the multifunctional intelligent vehicle networking terminal can realize monitoring, dispatching, fuel consumption management, mileage management, fault diagnosis, a real-time road condition acquisition, incident detection, driving behavior optimization, automatic hibernation, remote upgrade and the like. The multifunctional intelligent vehicle networking terminal is convenient to install and easy to use and has small size and low cost.

The invention belongs to the field of household appliances, and relates to an environmentally-friendly circulating-type smoke exhauster. The environmentally-friendly circulating-type smoke exhauster comprises a main case and a smoke helmet connected with the main case, wherein the main case is internally provided with a first-stage cyclone separation filtering unit, a second-stage impeller centrifugal separation filtering unit and a third-stage static strainer filtering unit sequentially from bottom to top; the first-stage cyclone separation filtering unit comprises a separation cylinder of which the lower end is connected with an oil cup; the main case is fixedly provided with a motor; an impeller of the second-stage impeller centrifugal separation filtering unit is sleeved on an output shaft of the motor; the third-stage static strainer filtering unit comprises a strainer fixed on the main case; and the strainer is located on the outer side above an impeller cover. The smoke exhauster provided by the invention has a good purification effect, does not need a flue, accords with the environmentally-friendly requirements of low carbon and energy conservation, is unlikely to block and has long service life, and can be used for solving the problems that the smoke exhauster in the prior art is easy to block and poor in oil removal effect, needs an externally-arranged flue, and the like.

A system for measuring and calculating dynamic transmission capacity of a high voltage transmission line comprises: a reference lead, which is arranged around a transmission line and whose direction is parallel to the transmission line, wherein the reference lead and the transmission line are respectively provided with temperature sensors and connected with wireless sending modules, the each temperature sensor measures temperatures of the reference lead and the transmission line at a certain time interval and the each wireless sending module emits the temperatures; a computer, which accepts data and carries out calculation so as to acquire real time allowable current-carrying capacity of the lead. In the invention, sunshine radiation can be substituted and the allowable current-carrying capacity of the transmission line can be calculated without using a sunshine radiation sensor. A transient thermal equilibrium formula equation is used to solve a heat transfer coefficient. And a steady heat balance equation is used to calculate the real time allowable current-carrying capacity of the transmission line based on the heat transfer coefficient. In the invention, operation is simple, labor intensity is small, the sunshine radiation sensor is not needed and costs can be reduced.

Provided is a cooling apparatus for a flat display device. The cooling apparatus includes a flat display module, a cover for protecting the flat display module, an air inlet formed on a portion of the cover to allow external air to be introduced into the cover, an air outlet formed on one of four frame portions of the cover to allow the air introduced through the air inlet to be exhausted out of the cover, and a fan for directing the air in a direction extending from a screen surface of the flat display device.

An antenna having an additional ground, includes a first ground which is formed in one side of a substrate; a plurality of antenna elements which are formed symmetrically with respect to each other and spaced apart from one end of the first ground; and a second ground which is interposed between the plurality of the antenna elements and integrally formed with the first ground. Accordingly, the deterioration of the antenna characteristics can be minimized even after the arrangement of the antenna elements with the ground, and the antenna can be miniaturized and easily fabricated in a two-dimensional structure. Furthermore, the electromagnetic wave interference can be minimized between the antenna elements.

The invention discloses an inspection maintenance method based on the internet instant communication service. The inspection maintenance method comprises two parts of a Web platform and a mobile inspection device, the Web platform carries out data on-line real-time interactive connection with the mobile inspection device through an internet instant communication tool, and an inspection worker inspects equipment through the hand-held mobile inspection device. The inspection maintenance method is deployed based on a mobile interconnection configuration, and is advantaged by being easy to deploy and operate, convenient to upgrade high in cost performance, and having interconnected inspection and on-line data and the like; at the background that the sensor technology is increasingly mature, data sensors are fixed on hot spot regions of the equipment as many as possible, and real time data is obtained on line through fiber, Wifi, 3G and 4G data connection modes and the like. By taking the above as the background, manual regular inspection operation on the equipment is achieved by means of the internet instant communication service, and therefore aims of reducing working pressure of workers, reducing the inspection cost and increasing the inspection benefit are reached.

The invention relates to a ship fuel preheating system. The ship fuel preheating system is characterized in that a fuel preheating branch pipeline and a fuel conveying branch pipeline are arranged between a storage bin and a sedimentation cabinet. A main pipeline is shared and is divided into two branches near the sedimentation cabinet, a preheating pump is arranged on one branch and provides high temperature fuel for the storage bin, a transfer pump is arranged on the other branch and conveys heated heavy oil to the sedimentation cabinet, and the two branches are provided with stop check valves in the corresponding directions so as to avoid pipeline direction malposition. A small compartment is arranged at one corner of the storage bin, and a first partition plate is arranged in the middle of the small compartment and divides the compartment into two parts in the X direction. A pipe A and a pipe B are arranged in a first sub-compartment, the upper right corner of the first partition plate is provided with a hole, the lower left corner of a second partition plate is provided with a hole, and the two holes are in opposite angle arrangement. Small holes are formed at the bottoms of partition plates to be used for sweeping. An upper plate of the compartment is provided with a plurality of air holes, so as to guarantee timely overflow of generated steam. The pipe A and the pipe B are communicated with the main pipeline and provided with regulating valves respectively.

The invention provides a self-power wireless simulation solar angle sensor, belonging to the spacecraft attitude measurement sensor technical field. The sensor is characterized in that the sensor comprises a solar angle sensor unit, a power support unit and a wireless communication unit. The solar angle sensor unit comprises four parts of a front end optical system, a solar angle sensor, a conditioning circuit and an external cavity body. The power support unit comprises two parts of a power collecting device and a power management circuit. The wireless communication unit comprises an A/D converting circuit which is connected with the conditioning circuit and used for receiving solar angle information and a wireless communication circuit. The self-power supply and the pure wireless simulation solar sensor are realized in the invention. A two-dimensional position sensitive detector (PSD) is adopted as the solar angle sensor which has the advantages of high precision, simple structure, small size and no externally physically connected electric interface. Therefore, the self-power wireless simulation solar angle sensor is beneficial for the integrated design of an application system.

The invention provides an intelligent motor system and belongs to the field of intelligent electrical engineering. The system includes an integrated intelligent on-line monitoring device, a driving control device, a portable device and a cloud server. The integrated intelligent on-line monitoring device and a motor are integrated into a whole so as to achieve long-term, continuous and real-time big data monitoring and accumulation and the use of almost all relevant data of factory data, historical data and real-time operation data. On this basis, motor intelligent fault diagnosis and state early warning are conducted, and operating personnel are timely informed by the portable device to achieve intelligent operation management and maintenance; the driving control device directly conducts intelligent operation control over the motor, and a manufacturer finds and analyzes product defects and effectively improve the after-sale service quality; the use of a two-dimensional code achieves tracking of all data during the whole service life time of the motor. The system has the advantages of being high in intelligence degree, simple in structure, low in cost, high in practicability, convenient to use and the like.

The embodiment of the invention discloses a positioning method and system for zone application. The method comprises the steps that an interface A receives and stores location update messages reported by mobile terminals in a mobile communication network, wherein the location update messages comprise mobile terminal user ID and Cell-ID information of cells where mobile terminal users are currently located; a zone location service platform obtains location zones, where all the mobile terminal users are currently located, identified by the mobile terminal user ID in all the location update messages according to information of corresponding relations between preset location zones and Cell-ID; a zone service platform provides the zone application according to the location zones where all the mobile terminal users are currently located. With regard to the positioning requirement based on commercial zones, intra-zone user locations are queried according to the commercial zones, so that accurate intra-zone service information is provided for the users, and intra-zone application requirements are met.

The invention mainly discloses a non-pressure bearing split type light control solar water heater which mainly comprises a heat collector and a light control integrator. A water tank and the heat collector are arranged in a split manner, and the whole system is controlled by the light control integrator. The water tank is a non-pressure bearing insulation water tank, the heat collector consists of a plurality of vacuum tubes which are transversely arranged, and the position of the heat collector is higher than that of the water tank. The solar water heater is composed of the heat collector, the light control integrator, a light sensor, a main aqueduct and a branch aqueduct, a water returning device, a circulating pump, a solenoid valve, the water tank and the like parts, which can achieve integration of the solar water heater and the building, the independent installation and greatly improved forced circulating heat efficiency; the main aqueduct and the branch aqueduct can cause the heat collector to realize thorough exchange between the cold water and the hot water, the light control integrator can cause the whole system to operate automatically and aperiodically, which greatly improves the work efficiency of the system; the water returning device can cause the hot water in the vacuum tubes to return to the water tank for use, prevent frost crack of the vacuum tubes of the heat collector under the conditions of low light intensity, low temperature or ultra-low temperature, and greatly relieve the thermal efficiency reduction caused by scale deposit generated in the vacuum tubes.

The present invention relates to a fixing apparatus for ball lens used for facilitating installation of concentrator solar cell receiver module. The present invention can finish installing the fixing base for ball lens at a time and positioning the ball lens rapidly and accurately. It can also control the distance between the ball lens and the solar cell excellently. In addition, the present invention further has the function of sheltering the circuit of concentrator solar cell receiver module. When off-axis illumination of sunlight occurs, direct illumination of sunlight on, and consequently high-temperature burnout of, the circuit can be avoided. Thereby, the lifetime of the circuit can be extended effectively and the probability of failure can be reduced as well.

A connector includes a connector body and a wire cover divided into first and second covers. A bend guiding wall is provided in the first cover and laterally bends the wires drawn out backwards from a rear of the connector body. A sliding-type first locking mechanism is provided between one end of the first cover and the rear of the connector body and slides the first cover and locks the first cover and the connector body. A extraction guiding wall is provided in the second cover and guides and extracts the wires, which are laterally bent by the bend guiding wall. A sliding-type second locking mechanism is provided between one end of the second cover and the other end of the first cover and slides the second cover and locks the second cover and the first cover.

The invention provides a visualization method and system for a Web end three-dimensional model, and the method comprises the steps: obtaining multi-source data, and uniting the format of the multi-source data into a preset standard format; enabling a Cerium platform to match a corresponding data source according to the multi-source data, and calling a data model corresponding to a data source according to the type of the multi-source data; establishing an interactive interface of a server according to the data model; splicing and merging data models by adopting a graph-model integration mode; and loading a spliced data model into an interactive interface of the server to generate a three-dimensional data model, and visually displaying the three-dimensional data model. Three-dimensionaldisplay of multiple data sources such as point clouds, 3D models and multiple models is achieved, and the invention has the advantages of being light in weight, free of installation, easy to browse, high in applicability and the like and has great significance in promoting smart city construction.

The invention relates to a power reactive compensation controller which belongs to the field of power technology and comprises a low voltage distribution network reactive compensation module and a main control module. The low voltage distribution network reactive compensation module comprises a voltage detection module, a power factor detection module and a single chip microcomputer, wherein, the voltage detection module and the power factor detection module respectively measure the voltage and power factor angle, and the single chip microcomputer calculates the capacity that needs reactive compensation; the main control module comprises a watch dog circuit module, a keyboard input module, a display module, a voltage and current A/D module, a serial communication circuit module and a lower layer controller serial module, wherein, the watch dog circuit module has the function of protecting the circuit; the keyboard input module and the display circuit module can realize man-machine communication; the serial communication circuit module is responsible for transferring data information of the capacity that needs reactive compensation in the single chip microcomputer to the lower layer controller serial module; the lower layer controller serial module controls a compensation capacitor group. The power reactive compensation controller can enhance the power factor of users at low voltage side of the distribution network.

The invention belongs to the technical field of elevator monitoring, and particularly relates to an elevator fault early warning method based on remote monitoring. The method comprises the following steps that a sensor network arranged in an elevator collects operation state parameter data of the elevator in real time and transmits the collected parameter data to a central control module located in the elevator; the central control module analyzes the parameter data according to all characteristic parameters of historical characteristic data of the elevator and prior data, if the data are abnormal data through analysis, the central control module acquires elevator fault information and fault codes and transmits the elevator fault information and the fault codes to a remote server; and theremote server stores the received elevator fault information and the fault codes into a database, and sends alarm information to a terminal held by elevator maintenance and supervision personnel. Through the method, remote real-time monitoring of operation of the elevator is achieved, and the operation parameters and the fault state of the elevator are acquired in the first time.

The invention relates to an automatic layered sludge collection device which comprises a sampling base plate, wherein a T-shaped device handle is fixedly arranged on the upper surface of the sampling base plate; a group of centrosymmetric spiral sleeve bases are fixedly arranged on the lower surface of the sampling base plate; hollow sludge collection pipes are spirally connected below the spiral sleeve bases; each sludge collection pipe consists of a plurality of sludge collection pipe units which are spirally connected with one another end to end; two semicircular backflow-prevention stop sheet are arranged in the bottom end of each sludge collection pipe unit. The automatic layered sludge collection device is simple in structure and convenient to operate and can simultaneously collect a plurality of samples and store the original thicknesses and the layered structures of deposits; the sampling base plate and the sludge collection pipes can be freely mounted and dismounted; the automatic layered sludge collection device is convenient and easy to use and can be replaced and cleaned quickly; the production cost is saved.

The invention relates to an efficient solar omnidirectional concentrator cell component, belonging to the field of solar power generation. A light-collecting plate with a plurality of spherical cavity lenses and a light-converging plate with a plurality of light-converging funnels are connected integrately to form a light-converging component; the bottom of the light-converging component is provided with a solar panel; both the light-converging component and the solar panel are respectively fixed by an upper fixing groove and a lower fixing groove of an outer frame, and then are sealed after firmly installed; and the solar cell slices arranged at intervals inside the spherical cavity lenses, the light-converging funnels and the solar panel are in one-to-one correspondence. On the basis of the light refraction and reflection principles including light collecting, astigmatism and light converging, omnidirectional incident sunlight can be converged on the fixed solar cell slices all the time, thereby increasing the irradiation intensity of sunlight of the cell slices in unit area, achieving higher photoelectric conversion efficiency and reducing the consumption of the cell slices; moreover, no sunlight tracker is mounted, and the efficient solar omnidirectional concentrator cell component has the advantages of simple structure, convenient installation and maintenance, furthest reduced power generation cost per Watt and high cost performance.