324results about How to "Work flexibly" patented technology

A space gesture input method achieves measurement and resolving of gestures by means of a gyroscope-free inertial measurement unit and a special hardware layout scheme. The gestures are sent to a host through a wireless radio frequency unit after processing such as dimensionality reduction, characteristic extraction, mode recognition and encoding. Therefore, a handwritten character inputting function and a cursor positioning function are achieved. A corresponding hand-held device comprises a gesture collecting and resolving unit, a mode recognizing and encoding unit and a wireless transmission unit. The method and the device avoid use of a gyroscope. The defect that equipment is poor in large-acceleration impact resistance is overcome. Gesture detection is not influenced by postures of devices. Reasonable hardware layout of the inertial measurement unit guarantees low cost of handwriting resolving. A mode recognizing method based on stroke characteristics reduces storage space requirements and computation complexity. Relative algorithms are easy to achieve in a wireless SOC, and low cost and compatibility of the devices are guaranteed.

The invention discloses a bagged material loading machine which comprises a support. A material bag conveying device is movably arranged on the support. A movable driving device is arranged between the support and the material bag conveying device. A material bag joint device is arranged above the material bag conveying device. A material bag temporarily-storing device is connected with the output end of the material bag conveying device. The output end of the material bag temporarily-storing device is connected with a material bag throwing and stacking device. A throwing and stacking adjusting device is arranged above the material bag throwing and stacking device. The throwing and stacking adjusting device is connected with the material bag throwing and stacking device. The bagged material loading machine replaces manual loading work, work is flexible, reliability is high, the labor intensity of workers is low, in addition, the loading efficiency is high, and use is safe.

The invention relates to an internet-based distributed type closed-loop control system and method. The internet-based distributed type closed-loop control system mainly comprises a controlled system, a monitoring unit, a local control calculating unit, a control execution unit, a local gateway, a communication server and a remote control calculating unit, wherein the monitoring unit is used for monitoring a certain variable of the controlled system and transmitting a monitoring value to the local or remote control calculating unit through the local gateway, wherein the local or remote control calculating unit is distributed on the internet; the local or remote control calculating unit is used for comparing the received monitoring value as an input with a target value set by the system in advance, respectively finishing the respective calculation tasks and generating respective control instructions; and the control instructions generated through calculation are processed according to a certain logical relationship and then are output to the control execution unit for executing control on the controlled system. The internet-based distributed type closed-loop control system has the following characteristics of good real-time property, high reliability, strong applicability, convenience in implementation, low cost, good expansibility and wide market prospect.

Sheet material multistation stamping automated feeding feed equipment capable of being assembled in finite space comprises a machine base, a telescopic manipulator unit and a swing telescopic manipulator unit. The telescopic manipulator unit has three degrees of freedom of vertical rising and falling, longitudinal stretching out and drawing back, and palm rotation. The swing telescopic manipulator unit has four degrees of freedom of vertical rising and falling, longitudinal stretching out and drawing back, forearm rotation and palm rotation. After being assembled with the machine base, both the telescopic manipulator unit and the swing telescopic manipulator unit have transverse feed degrees of freedom. The equipment is flexible in operating, a user can decide the number and positional relation of manipulators and the number of the degrees of freedom of the started manipulators according to actual production requirements, universality is strong, operating space is minimized through the telescopic technology adopted in big arms, the big arms cannot stretch out and influence logistics channels, and working space occupied by the equipment can be saved; a power mode applied to the manipulators is of a fully-pneumatic type, movement is rapid, response is quick, work efficiency is high, and working media are clean and easy to maintain.

The invention discloses a concrete spreader, mainly comprising a rack (1), a conical tower (2), a counterweight frame (3), a counterweight box (4), a hydraulic station (5), an electric cabinet (6), areducer (7), a big-arm support (8), a big arm (9), a small arm (10), a big-arm oil cylinder (11), a small-arm oil cylinder (12), a connecting rod pair (13), an antifriction bearing (14) and a spreading tube (15). The concrete spreader is characterized in that the conical tower (2) is movably fixed on the rack (1) by a bearing, the counterweight frame (3) is fixed on the conical tower (2), the counterweight box (4) is fixed at the lower part of the tail end of the counterweight frame (3), the hydraulic station (5) is fixed on the upper part of the tail end of the counterweight frame (3), the reducer (7) is arranged on the counterweight frame (3), the big-arm support (8) is fixed on the counterweight frame (3), one end of the big arm (9) is movably connected with the conical tower (2) and the other end thereof is connected with the small arm (10) by the antifriction bearing (14), a fixed support of the connecting rod pair (13) is arranged on the big arm (9) and the other fixed support thereof is arranged on the small arm (10), thereby achieving the design purpose.

The invention discloses a system for video material frame-accuracy cutting, which comprises a video index creating module and a cutting frame image set recreating module, wherein the video index creating module extracts frame index information of each video frame of video material and saves the information at the tail part of the video material; and the cutting frame image set recreating module reads the frame index information at the tail part of the target video material, rapidly positions the cutting points of the target video material, decodes and re-codes the video frames of the cutting points and the relevant frames of the video frames, encapsulates the re-coded video frames in the original image set and modifies reference time information. The invention additionally discloses a method for frame-accuracy cutting by using the system. When the invention is adopted to conduct frame-accuracy cutting, the video frames of the cutting points or the video frames close to the cutting points are required to be re-coded only, and thereby the real-time frame-accuracy cutting of the video material is enabled to be more flexible, high-efficiency and accurate and the defects such as mosaics existing at the cutting points of the video material are avoided.

The invention discloses a high-rise fire fighting multi-rotor drone. The high-rise fire fighting multi-rotor drone is characterized in that the drone comprises a mechanical arm, propellers, a machine frame, supporting legs, a monitor, a temperature-humidity and smoke detector, a fire extinguisher, a connecting hose and a sprayer attached to the mechanical arm; the temperature-humidity and smoke detector is installed at the front end of the mechanical arm; the monitor and the fire extinguisher are installed on the upper side of the machine frame of the drone; the propellers are located on the lower side of the machine frame; and screw shafts extend downwards to form the supporting legs to facilitate landing and protect the propellers. The mechanical arm can achieve basic grabbing operation. The drone enters a high-rise and searches burning points through the temperature-humidity and smoke detector arranged at the front end of the mechanical arm, and a ground commander judges the fire type through the monitor of the drone and remotely controls a manipulator on the mechanical arm to select the proper fire extinguisher for use, so that high-rise fire fighting is conducted.

The present invention provides a kind of focus domain controllable focusing supersonic transducer for supersonic tumor thermotherapeutic system, and belongs to the field of biomedicine engineering technology. The transducer consists of one great aperture rigid spherical crown with regularly distributed small holes and several spherical supersonic transducer elements arranged regularly and embedded inside the small holes. The array of the present invention may form different focus domain distributing modes, so that the supersonic beam can keep away from bone and other barriers. The supersonic power of the array radiates may be controlled by regulating the amplitude of electrically exciting signal to maintain the treating temperature on the target tissue. The present invention has compact structure, excellent performance, flexible operation and wide application foreground.

The generation circuit includes following parts: clock signal source in high precision in use for generating clock signal; frequency divider is in use for receiving the said clock signal, and outputting a standard time clock to a comparator; inner oscillator in use for generating an internal clock and outputting to the comparator; the comparator is in use for carrying out comparison between the standard time clock and the internal clock, and if deviation exists, then signal is output to a frequency control register; the frequency control register is in use for setting up frequency of the inner oscillator. Through the clock signal source in high precision, the invention makes the clock circuit generate clock signal with multiple corresponding frequencies based on requirements of functions and power consumptions of chip host so that least number of peripheral electron device, and minimal cost of manufacturing circuit board are reached.

The invention relates to a baseband signal processing method in the technical field of satellite navigation, in particular to a satellite signal capturing method compatible with a GPS and a Beidou 2ndnavigation system. The satellite signal capturing method comprises the following steps: carrying out packing processing and FFT operation on input signals; generating local carrier signals and localcode sequences; generating local radio-frequency signals; carrying out packing processing and FFT operation on the radio-frequency signals; correspondingly multiplying the input signals after the FFToperation with the radio-frequency signals; conjugating a multiplication result and carrying out the FFT operation; using signals obtained from conjugation to construct a data matrix and carrying outmodulus operation on each of the elements in the matrix; and finally applying a judgment rule to judge the data matrix and obtaining a capture result. When resource expenditure is not increased, the capturing method not only can capture GPS satellite signals, but also can capture Beidou 2nd satellite signals and can be used in a GPS / Beidou 2nd double-mode satellite navigation signal receiving device.

The invention discloses a new type underwater sail power spherical vehicle which can continuously work, is long in voyage and is long in endurance. The vehicle mainly consists of a mesh spherical shell, a sphere with a duct in the middle, a lifting sail mechanism, a gravity pendulum-driven attitude adjustment mechanism, a long-axis motor, a short-axis motor, a rolling motor, torque gyros, a propeller propulsion mechanism, a battery, a control system and the like. The underwater sail power intelligent spherical vehicle is an intelligent vehicle free of fuel consumption and capable of conductinglong-endurance underwater movements, gravity pendulums and a sail are ingeniously combined, so that the vehicle can move on the sea surface and underwater by utilizing the acting forces of wind and ocean currents on the sail, and the flexible lifting sail mechanism and the gravity pendulum-driven course adjustment mechanism are also arranged. The underwater sail power intelligent spherical vehicle can not only move on water and underwater but also can roll on the sea floor, and propellers have a regenerative charging function, so that the electric energy can be stored into a power module, andthe underwater sail power intelligent spherical vehicle has wide application prospects in marine monitoring tasks and the like.

The invention relates to a data service protective switch trigger method, used in optical transmission network, wherein said data service is multiplexed into the virtual channel of said optical transmission network; the real bandwidth of said virtual channel can be adjusted. The method comprises: A, presetting the trigger bandwidth of data service protective switch; B, detecting if the real bandwidth is lower said trigger bandwidth, if it is lower, triggering the data service protective switch, or else, go on detecting. The invention also discloses a relative data service protective switch trigger device.

The invention discloses a vibration exciter fixed mounting device which mainly comprises a vibration exciter fixing platform assembly, supporting foot assemblies, a screw rod sliding assembly and a rotary table assembly. The vibration exciter fixing platform assembly is fixed at one end of the screw rod sliding assembly by a nut; the screw rod sliding assembly is arranged on the rotary table assembly; the supporting foot assemblies are connected with the rotary table assembly so as to support the vibration exciter fixing platform assembly. The vibration exciter fixed mounting device is flexible to regulate, is reliable to fix, is simple to mount, has a compact structure, has a lighter weight, is convenient to use in the external field and has better adaptability.

The invention relates to the technical field of illuminating lamps, in particular to a bidirectional light-emitting robot brain stage lamp. The robot brain stage lamp comprises a lamp holder, a support arranged on the lamp holder, lamp cap components and a control system for controlling the lamp cap components to work, wherein the lamp cap components are rotationally connected to the support; two sets of light source components on the same axis are arranged on the lamp cap components; the light-emitting directions of the two sets of light source components are opposite; and the control system controls lighting of the two sets of light source components respectively. According to the invention, the two sets of light source components on the same axis and with opposite light-emitting directions are arranged on the lamp cap components of the bidirectional light-emitting moving stage lamp and share the same set of control system, and the control system can independently or simultaneously control the on / off of the two sets of light source components while controlling the lamp cap components to work. Besides, the lamp cap components can rotate to irradiate according to the set rotating angle, speed, direction and other parameters so as to realize a bidirectional light-emitting irradiation effect together with operation of the light source components.

The invention discloses a node energy self-adaption management strategy of a wireless sensor network. Because the node energy of a wireless sensor is limited, the consumed energy of the node in different work modes is different, by aiming at the characteristics of the node of the wireless sensor, firstly, a self-adaption transmission mechanism based on the channel and buffer region state is built, secondly, the data packet virtual partitioning technology is further introduced on the basis of an ordinary transmission mechanism, a self-adaption partitioning transmission mechanism based on the channel and buffer region is formed, problems are modeled into a Markov decision process model, an intelligent study optimization algorithm is utilized for solving the optimum strategy, the goals of reasonably selecting the mode work mode and the data packet partitioning size are realized in different network channel and node buffer region states, and the energy utilization rate of the node is improved.

The invention discloses a steam generator. The steam generator comprises a pipe provided with a liquid inlet and a steam outlet. The pipe is formed in the mode that heating pipes are connected in series or in parallel, and the outer surfaces of all the heating pipes are partly or fully covered with continuous heating elements with power independently controlled on or off. According to the steam generator, liquid is heated to steam through the heating pipes, heating efficiency and speed are high, and when the liquid flows through the heating pipes, the liquid can be rapidly converted into the steam, residual does not exist, the steam can be obtained after 3 s to 10 s during normal working, and the requirement of rapidly obtaining the steam can be met; all the heating pipes can independently control heating, the corresponding-number heating pipes can be started to work according to the using requirement amount of the steam, work is flexible, and the using requirements on different occasions can be met.

The invention discloses a glass cleaning intelligent robot. The intelligent robot comprises a moving mechanism, a sensing system, a control system, a cleaning system and the like, wherein the moving mechanism comprises a screw slide rail, a linear bearing, a hydroelectric synchronous belt conveyer, a precise motor driving system and the like; the sensing system comprises an automatic stroke induction switch, a monitor induction sensor and the like; the control system comprises a U active control card chip and an intelligent wireless remote control system thereof and can be loaded on an industrial camera for real-time monitoring, operation is realized via APP of mobile phones, and the aim of intelligent glass and curtain wall cleaning can be achieved; and the cleaning system comprises an automatic water spray system, a cleaning brush roll, a rubber scraper, a water storage tank and the like, and other intelligent modules can be expanded. The invention aims at providing an intelligent glass cleaning robot, spontaneous working mode under an unmanned situation can be realized, and the automatic level of a product can be improved to a great extent.

An online cleaning robot based on wireless power supplying and magnetic-induction positioning for condensers comprises a cleaning robot body, a lifting mechanism and a wireless electric power supplying device. The cleaning robot body is positioned in a water chamber of a condenser, a condenser top wireless electric power transmitting device of the wireless electric power supplying device is mounted on the top of the water chamber of the condenser, a condenser bottom wireless electric power transmitting device is mounted at the bottom of the water chamber of the condenser, a cleaning robot box top wireless electric power receiving device is mounted on the top of the cleaning robot body and used for being correspondingly matched with the condenser top wireless electric power transmitting device so as to supply power, and a cleaning robot box bottom wireless electric power receiving device is mounted at the bottom of the cleaning robot body and used for being correspondingly matched with the condenser bottom wireless electric power transmitting device so as to supply power. The online cleaning robot has the advantages of simple and compact structure, high intelligent degree and cleaning efficiency, flexibility in movement, accuracy in positioning, and the like.

The invention relates to the field of logistics storage systems, in particular to a variable-speed automatic logistics device for dual-channel steering shuttle vehicles. The variable-speed automatic logistics device comprises storage shelves, a cargo inlet conveying line, a cargo outlet conveying line, the steering shuttle vehicles, steering shuttle vehicle layer changing lifting devices, tray lifting devices, a WCS, a WMS and an FRID positioning system used for accurately determining the positions of cargos. Each layer of the storage shelf is provided with a shuttle shelf storage vertical tunnel and a steering shuttle vehicle transformation rail. The steering shuttle vehicle transformation rails are vertically arranged at the (last but n-1)th storage positions on the two sides of the corresponding shuttle shelf storage vertical tunnels. Steering shuttle vehicle transverse carrying rails are vertically arranged in the middles of the shuttle shelf storage vertical tunnels. The steeringshuttle vehicles can complete cargo inlet and outlet working flexibly and quickly. According to the variable-speed automatic logistics device for the dual-channel steering shuttle vehicles, the effect requirement of in-warehouse and ex-warehouse can be met quickly by increasing the number of the lifting devices and the number of the steering shuttle vehicles without sacrificing storage capacity after the equipment scale is optimally and reasonably matched.

The invention discloses a compound driven shoulder joint. The compound driven shoulder joint comprises a cross shaft, a movable hinge frame and a fixed hinge frame, and a swing driving part and a pitching driving part for respectively driving the movable hinge frame to swing and pitch; the movable hinge frame is rotationally matched with a first shaft body of the cross shaft; a second shaft body of the cross shaft is rotationally matched with the fixed hinge frame; the swing driving part and the pitching driving part both adopt a memory alloy drive and electric drive combination driving mode; and in a swing driving mode and a pitching driving mode, the precise driving of single motor at low load can be realized, and the heavy-load and high-precision combination driving of memory alloy drive and electric drive synchronous driving at heavy load also can be realized.

The invention provides radiation-proof clothes. The radiation-proof clothes comprise a coat, trousers and a hat. A zipper is arranged in the middle of the coat. A first protection layer is arranged on one side of the zipper, a second protection layer is arranged on the other side of the zipper, and an adjusting band is arranged on the inner side of the coat. The coat, the trousers, the hat, the first protection layer and the second protection layer are all of three-layer structures. Each three-layer structure is composed of a heavy metal radiation-proof layer, a carrier layer and a silver fiber layer from outside to inside, and the carrier layers are made of polystyrene, and the thickness of the carrier layers ranges from 2mm to 5mm. The three structure layers at the sewing forming position of the coat, the sewing forming position of the trousers and the sewing forming position of the hat are different in length. The coat, the trousers and the hat are welded and sewn through ultrasound of the carrier layers, the structure and the sewing mode of the joint between the coat and the trousers and the structure and the sewing mode of the joint between the coat and the hat are the same as the structure and the sewing mode of the sewing forming position of the coat, and the coat, the trousers and the hat are of an integrated structure after being sewn. According to the scheme, the radiation-proof clothes do not contain lead meal, the whole is of the integrated structure, and the radiation-proof effect is good.

The invention relates to an electric low-power-consumption valve. The electric low-power-consumption valve comprises a valve body, a valve cover, an electric actuator, an integral rubber sealing valve core, a circulation valve, a valve seat, a spring and a ceramic wafer switch, which are fixedly connected together. The integral rubber sealing valve core is used for substituting a traditional water discharging valve consisting of a plurality of metal components. The integral rubber sealing valve core is simple in structure, resistant to corrosion and stable in work. The circulation valve is light in weight, flexible to work and smooth in water flow. The ceramic wafer switch is smooth, is not scaled and is small in torque, small in force for opening and closing the door and low in electricity consumption, and the phenomenon that a metal spherical or cylindrical switch is scaled and blocked can be overcome. The opening and closing of the valve seat are controlled by utilizing the pressure difference formed by the upper acting surface and the lower acting surface of the integral rubber sealing valve core, the flow pressure loss is small, and the problem that a large-water-displacement hydroelectric valve is powered by utilizing a direct-current low-voltage power supply can be solved. The electric low-power-consumption valve is applicable to a large-aperture intelligent water gauge control system, irrigation of agriculture and forest and water supply and discharge control of a water supply pipe network.

The invention provides a multi-CPU communication method, which adopts a high-speed full-duplex serial SPI communication mode among CPUs. The method is characterized in that ferroelectric memories FRAMs are arranged among the CPUs; SPI ports of at least two CPUs are connected through a SPI port of one FRAM; anti-collision communication lines are connected between the CPUs which are connected with the FRAM and communicate through the FRAM; and the CPUs send and receive data through the FRAMs. The multi-CPU communication method designed by the invention has the advantages of increasing transmission speed and reliability among the CPUs and solving collision problems when two CPUs read and write data at the same time. The reliability and operation speed of products are fully guaranteed by using a device adopting the multi-CPU communication method in relay protection equipment.

The invention relates to a self-adaptive limit hinge, which comprises a connecting arm and a movable cup base which are connected through a rocker arm, wherein the connecting arm is provided with a damper, and a torsional spring which at least produces open and close acting force on the movable cup base is arranged in the hinge. The self-adaptive limit hinge is characterized in that the damper is an automatic reset type pressure damper, one end of the damper is arranged in the connecting arm, and the other end of the damper is connected with a change-over lever at least in a closing process of the hinge; and a self-adaptive limit mechanism is arranged on the damper and / or the change-over lever, and the self-adaptive limit mechanism is matched with the damper or the change-over lever in a self-adaptive limit mode at least in the closing process of the hinge. According to the self-adaptive limit hinge disclosed by the invention, the damper and / or the change-over lever are / is provided with the self-adaptive limit mechanism, so that the end part of a piston rod of the damper is matched with the change-over lever in a limit mode at least in the closing process of the hinge, and the piston rod of the damper can not be separated from the change-over lever in the closing process of the hinge; and a joint of the piston rod and the change-over lever is provided with an interval for the movement of the end part of the piston rod, so that the problem that the damper is damaged easily due to the fixed restraint of the damper and the hinge is avoided, and the damper is more flexible in a working process.

A wind turbine blade with the automatic windward area adjustment function comprises two movable blades at the top, a fixed blade on the root portion, an electric hinge connected with the movable blades and the fixed blade, a hollow framework installed at the top of the fixed blade and arranged between the two movable blades, and further comprises a wind speed sensor installed on a wind turbine tower, and an electric hinge control system using a computer as a carrier. When a wind turbine operates, the wind speed is measured through the wind speed sensor in real time, the wind speed signal is transmitted to the computer, the electric hinge control system installed in the computer determines the blade swept area range capable of keeping the rated output power according to the current wind speed and controls the electric hinge to drive the two movable blades connected to the electric hinge to rotate to an appropriate angle gear, as a result, the blade swept area can meet the condition that the wind turbine is kept within the rated output power range with the current wind speed, and the wind speed application range of the wind turbine is greatly expanded.

The invention discloses a high temperature high pressure dyeing machine. The machine comprises a dye vat body, a main pump, a filter, a plasticizing cylinder and a cloth discharging rack, wherein the front end and the rear end of the dye vat body are provided with a hand hole and an operating hole respectively; the upper part of the dye vat body is provided with a heat exchanger; pipelines at two ends of the heat exchanger are provided with the main pump and a temperature measurer respectively; a main pump motor is arranged on one side of the main pump, and a filter is arranged on the other side of the main pump and is connected with the plasticizing cylinder; the cloth discharging rack is arranged above the position of the operating hole; and the two sides of the rack body of the cloth discharging rack are provided with a cloth lifting motor and a cloth discharging motor respectively. The invention has the advantages that: the machine has completer functions and is easy to assemble and maintain by arranging all structures in turn; the heat exchanger, the filter and mechanisms such as the cloth lifting mechanism, the cloth discharging mechanism and the like of the machine are stably and sequentially arranged and flexibly work; meanwhile, position connection relation between parts is simplified; thus, the production efficiency is improved to a certain extent, and certain cost is saved; and compared with the same type of machine, the dyeing machine has the advantages of large capacity, low bath ratio and the like.

An STM32-based servo motor integrated control system is characterized in that it includes a main control module (1) and a servo driver module (2); the main control module (1) includes a left limit sensor input interface circuit (3) , origin sensor input interface circuit (4), right limit sensor input interface circuit (5), STM32 main control processor (Uc12) with DSP function, pulse output interface circuit (6), direction output interface circuit (7); The servo drive module (2) includes a three-phase rectifier bridge (8), a three-phase bridge inverter circuit (9), a servo drive main control processor STM32 chip (U15), an optocoupler isolation circuit (U8), pulse / direction Input interface circuit (U13), IGBT drive circuit (U7), motor body (U1), Hall sensors (U2), (U3). The invention has the characteristics of low cost, convenient use, good stability, high reliability and flexible work.

The invention relates to the technical field of timekeepers and discloses a winding and setting mechanism which comprises a handle shaft, a barrel gear with a built-in spring, a minute gear and an hour gear which is sleeved on the minute gear. One end of the handle shaft is provided with a vertical gear. A first gear structure, which is driven only by the vertical gear to rotate when the vertical gear rotates in the forward direction, is arranged above the vertical gear. A second gear structure, which is driven only by the vertical gear to rotate when the vertical gear rotates in reverse, is arranged below the vertical gear. A first intermediate gear train is engaged between the first gear structure and the barrel gear. A second intermediate gear train is engaged between the second gear structure and the minute gear and the hour gear. The gears are main parts in the above mechanism. As long as the handle shaft is rotated in the forward direction or in reverse, winding or setting operation can be realized. The operation is simple, not damaging the timekeeper. In addition, the volume of the mechanism can be reduced greatly; with gear drive as the key point, the operation is reliable, flexible and highly efficient; and lifetime of the timekeeper is prolonged.

The invention discloses an electro-thermal detonation fast-response temperature-sensitive rotary spraying fire extinguishing apparatus, comprising a water inlet pipe and a water nozzle body; the waternozzle body is composed of a water nozzle cap and a water nozzle, a water cavity is arranged in the water nozzle body and is communicated with the water inlet pipe, a group of wedgelike water outlets, which are deviated from a central line and are arrayed symmetrically, are arranged on the water nozzle, a water-stopping valve plug is arranged in the water nozzle body, a supporting bracket is arranged below the water nozzle, a temperature-sensitive glass bead device is arranged in the supporting bracket and comprises a temperature-sensitive glass bead and an electric heating wire, the upper end of the temperature-sensitive glass bead is contacted with the lower end of the water-stopping valve plug, the lower end of the temperature-sensitive glass bead is contacted with the supporting bracket, the electric heating wire is arranged on the temperature-sensitive glass bead and is connected with a power supply and a control switch. When fire alarm happens, the control switch acts on, the power supply is switched on, the electric heating wire is powered on to heat to leading the temperature-sensitive glass bead to reach the rated allowable temperature by acceleration, after the temperature of the temperature-sensitive glass bead reaches the rated allowable temperature, the temperature-sensitive glass bead is detonated, the detonated temperature-sensitive glass bead is bounded out from the supporting bracket, centrifugal force generated by the water nozzle body leads water which is sprayed out at high speed from the water outlets to be sprayed out in a parabolic shape, thereby achieving the effect of omnibearing water spraying and large-area fire extinguishment.

Version identification information for identifying the version of content data stored in a multidimensional database is generated preliminarily. When the version identification information of a predetermined version, multidimensional identification information (information indicating the combination of members) and update data are received, the content data updated on the basis of the update data is stored in a version management table so as to be associated with the version identification information of the predetermined version and the multidimensional identification information. The content data of the predetermined version is identified on the basis of the version identification information and the multidimensional identification information.