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

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.

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.

The invention discloses a system and a method for quickly treating pulverized coal by pyrolysis. The system comprises a quick pyrolysis reactor, a dust removing device, a condenser, a purifying device, a PSA (Pressure Swing Adsorption) hydrogen production device and a pyrolytic tar hydrogenation device, wherein the dust removing device is connected with the quick pyrolysis reactor and the condenser; the purifying device is connected with the condenser and the PSA hydrogen production device; the PSA hydrogen production device is also connected with the pyrolytic tar hydrogenation device. The system is simple in structure and short in process; the continuous running and industrial popularization are easily achieved; in addition, semicoke, pyrolytic tar and pyrolytic gas obtained in pyrolysis can be converted for reutilizing, so that the whole process is free of intermediate products, and as a result, the economic value is high.

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.

An improved enclosure for electronic devices providing device protection against physical damage and improved functionality and ergonomics by means of a multiplicity of selectable and adjustable grasping, mounting, and supporting points.

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.

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.

A dielectric antenna and an antenna module are provided. The dielectric antenna includes at least one dielectric unit. Each dielectric unit is separated into a first region and a second region, and the second region could have a bending portion. A conductor covers a surface of the second region of the dielectric unit to form a waveguide structure. The waveguide structure has a first endpoint connected to the first region and a second endpoint serving as a signal feeding terminal for feeding or receiving signals. The dielectric antenna can be packaged with a chip and thus is suitable for millimeter-wave high gain antenna modules.

The invention provides a tread sweeper with a gap adjusting device, and belongs to the technical field of railway vehicle equipment. The tread sweeper comprises a grinding block, a brake head, an air cylinder and a gap adjusting device arranged on an air cylinder body of the air cylinder. The tread sweeper further comprises a tooth-shaped component is fixedly arranged on a piston rod of the air cylinder. The gap adjusting device comprises: a movable plug pin and a movable plug pin, wherein a plug pin head of the movable plug pin can be meshed with the tooth-shaped component; a bolt seat limited in a gap adjusting device mounting hole of the air cylinder body; and an elastic component used for applying downward pressure towards the tooth-shaped component to the bolt seat. The upper end of the movable plug pin is sleeved with a guide groove, formed in the moving direction of the piston rod, of the plug pin base and can move forwards and backwards in the gap adjusting device installation hole along the guide groove along with the tooth-shaped component meshed with the movable plug pin. The tread sweeper is simple in structure and good in reliability, and the problems of bending, clamping stagnation and the like of the tooth-shaped component are solved.

The present invention provides a method for preparing S-Bz-MAG3 as a precursor of contrast media. Thioglycolic acid and benzoyl chloride are taken for the thiol protection reaction. Next, N,N′-dicyclohexylcarbodiimide and N-hydroxysuccinimide are converted to corresponding ester compounds. The corresponding ester compounds then react with triglycine by amide bonding reaction. The product of the reaction is recrystallized using acetone, filtered, and finally flushed using flushing agent to give the final product. This is a bifunctional chelator and can be bridged with 99mTc and 186/188Re effectively and applied to nuclear medicine imaging and tumor radiotherapy. By taking advantage of fewer synthesis steps and ease of operations, complicated separation and purification reactions can be reduced and thus achieving highly productivity of S-Bz-MAG3.