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47results about How to "Ease of operation" patented technology

Forest fire early warning method and system based on fuzzy Bayesian network

The invention discloses a forest fire early warning method and system based on a fuzzy Bayesian network and belongs to the fire-fighting safety field. The method comprises the following steps that anunmanned aerial vehicle is equipped with a plurality of sensors to inspect a forest along a set route, senses data of a driving area in real time and sends the data to a ground station; the ground station combines the number of local sunny days and the number of flammable plants to carry out stage treatment on flammable grades, and carries out early judgment of fire warning according to temperature, humidity, smoke and gas information; the ground station receives the data of each sensor, then uses a fuzzy Bayesian network to process the sensor data, and calculates and acquires a fire occurrence probability; when the probability of the fire is high, the ground station sends a fire warning signal, whether there is the fire, a real-time situation of the fire and location information to a forest management center; and when the probability of the fire is low, the unmanned aerial vehicle flies at the same height along the set route. In the invention, a fuzzy Bayesian network algorithm is used to process the sensor data, the fire probability can be accurately calculated so that correlation personnel can accurately acquire a fire condition at first time.
Owner:JINAN UNIVERSITY

Disc-type permanent magnetic coupling mechanism and devices using same

ActiveCN107248804ASolve fever problemSolve the problem of copper plate heatingPermanent-magnet clutches/brakesPermanent magnet rotorConstant power
The invention relates to a disc-type permanent magnetic coupling mechanism and devices using the same, including a disc-type permanent magnetic coupling speed regulator, a magnetic coupling speed regulation device running at constant power and a brushless doubly-fed coupling transmission device using the same. The mechanism comprises a permanent magnetic rotor and a conductor rotor, the conductor rotor comprises a conductor disc with a groove and a lead wire, induction current in the conductor disc flows in a set direction, and the current is guided to other device outside the conductor disc via the lead wire, so that the current is controlled or utilized. The current or current of the conductor rotor is controlled by a control unit, so that the disc-type permanent magnetic coupling speed regulator regulates the magnitude of the output torque to meet the requirement for rotating speed, and realizes a speed regulation function. The magnetic coupling speed regulation device running at constant power realizes constant power speed regulation operation. The brushless doubly-fed coupling transmission device reduces the radial size and the axial size and saves the installation space of equipment by combining a disc-type structure and an axial structure.
Owner:JIANGSU MAGNET VALLEY TECH

Method and Device for Measuring the Texture of Cooked Grains

A method and device for assessing end point of cooking of dhal and rice with good reproducibility are disclosed. Pulses are generally consumed as dhals after cooking to soft texture. Measurement of end point of cooking of dhals, rice etc is very subjective and current methods are not very satisfactory. An innovative device and an objective method for carrying out the same were developed. This works on the principle of determining the “spread area” during progressive cooking for dhals as well as rice, and reading the cooking time form a graph plotted. The device developed for the purpose can be used to exert the desired force for pressing the cooked grain and the area to which the grain spreads is determined by counting the number of squares from an appropriate graph sheet as “spread area” is plotted against the period of cooking a progressive increase was observed. The time at which, there was a sudden increase in the spread area or when a change in the slope of the curve (sudden deflection/steadiness) occurred was considered as cooking time of the sample (dhal/rice) being cooked. The method now reported corroborated well with the standard instrumental methods. This invention provides an objective and reliable method for assessing end point of cooking of dhal and rice with good reproducibility.
Owner:COUNCIL OF SCI & IND RES

10kv outdoor high-voltage cable distribution box and installation method thereof

The invention relates to an auxiliary cable distribution box, in particular to a 10kV outdoor high-voltage cable distribution box and an installation method thereof. An upper part box body of the cable distribution box comprises a ladder-shaped box body, and a left box body and a right box body which are positioned at two shoulder parts of the ladder-shaped box body, wherein the left and right bodies are both in inverted right-angled triangle structures, and are hinged to the middle ladder-shaped box body to form a square box body; the ladder-shaped box body is detachably connected with the lower part box body; and cable connecting accessories are installed in the ladder-shaped box body in a longitudinally arrayed manner. When a cable is installed, the cable connecting accessories and the cable are installed on a rigid support of the lower part box body, and then the upper part box body is assembled with a cover plate. The 10kV outdoor high-voltage cable distribution box has the advantages that the 10kV outdoor high-voltage cable distribution box consists of three detachable movably-connected parts, is convenient to replace, detach and assemble, and is simple, flexible and convenient for construction, external impact is effectively resisted, normal running and working of the cable distribution box are guaranteed, and the technical effect that the inside of the cable distribution box can be operated, overhauled and maintained in an omni-directional manner is unexpectedly achieved.
Owner:STATE GRID CORP OF CHINA +2

Detection circuit based on control chip, mobile terminal and data line

The invention discloses a detection circuit based on a control chip, and the detection circuit comprises: a pull-down circuit, wherein the input end of the pull-down circuit is coupled with a settingpin of a communication interface, and the output end of the pull-down circuit is coupled with the control chip; a pull-up circuit, wherein the input end of the pull-up circuit is coupled with the signal source, and the output end of the pull-up circuit is coupled with the pull-down circuit, the pull-up circuit is used for providing a first level signal for the control chip through the pull-down circuit, the pull-down circuit is used for pulling down the first level signal to provide a second level signal for the control chip when the communication interface is connected with an external data line and the setting pin is short-circuited by the data line, the control chip is used for entering a first working mode when receiving a first level signal, and the control chip is used for entering asecond working mode when receiving a second level signal. By means of the mode, the working mode of the control chip can be conveniently adjusted according to the short circuit condition of the external data line, operation is convenient, and efficiency is high.
Owner:HUIZHOU TCL MOBILE COMM CO LTD

Power supply mode conversion system for rail transit contact network

The invention discloses a power supply mode conversion system for a rail transit contact network, belongs to the technical field of rail transit, and provides the following scheme: a direct-current voltage conversion module converts an alternating-current power supply transmitted by a power plant through a power transmission line into direct-current voltage, outputs the direct-current voltage to a direct-current cable, and outputs the direct-current voltage to the contact network through the direct-current cable; an alternating-current voltage conversion module converts alternating-current power transmitted by a power plant through a power transmission line into alternating-current voltage and outputs the alternating-current voltage to the contact network; a first lockout control module carries out primary lockout control on a direct-current voltage output line and an alternating-current voltage conversion output line of the direct-current cable so as to control output of the direct-current voltage or the alternating-current voltage. a second locking control module performs secondary locking control on the line for outputting the direct current voltage and the line for converting and outputting the AC voltage so as to control the direct current voltage or the AC voltage to be output to a metro static adjusting line or a metro dynamic adjusting line of the contact network. According to the technical scheme, the convenience of rail transit power supply is improved.
Owner:CHONGQING CRRC RAILWAY VEHICLES CO LTD

Wheel nut assembly

A wheel nut assembly for fixing a wheel to a vehicle hub which includes a wheel nut with an internal thread and an axial body extension on said nut including a first section with an internal set of axial grooves or ribs and a second section containing a second internal screw thread. There is also a wheel stud having an external thread to co-operate with the internal thread of said wheel nut and having an end portion adapted to project beyond the wheel nut which end portion includes axial grooves or ribs on its external surface. An axial retaining cap consists of an upper externally screw threaded first portion which is adapted to engage the second internal screw thread of said body extension of said nut and attached to said first portion a second cap portion having internal grooves or ribs complementary to the external ribs or grooves on said wheel stud adapted to fit over said wheel stud and having external ribs or grooves adapted to engage the internal set of axial grooves or ribs on the first section of said body extension of said wheel nut. The first portion of said retaining cap is able to be rotated so that it moves axially down the internal screw thread of the second section of said body extension of said wheel nut so that the second portion of said cap is pushed down the end of said wheel stud and is held between the external ribs and grooves of the end of said wheel stud and the internal ribs and grooves of the first section of said body extension of said wheel nut.
Owner:FERMAN MICHAEL
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