205results about How to "Improve internal space utilization" patented technology

The invention belongs to the field of electromechanical technique, and relates to a spherical moving robot, and in particular relates to a fluid driving spherical robot which comprises a spherical shell, an annular seal container, axial flow devices, an inner driving rotating mechanism and a main shaft. The fluid driving spherical robot is characterized in that the spherical shell consists of two hemispherical shells including a left hemispherical shell and a right hemispherical shell; the annular seal container is positioned in the spherical surface; the outer annular surface of the container is concentric with the spherical surface of the spherical shell; the container is filled with fluid; the volume of the fluid is half of the volume of the container; two axial flow devices are symmetrically installed in the annular seal container; the axial flow devices drive a liquid to flow in the annular seal container, thus the mass center of the spherical robot is changed, thus the spherical robot can move forwards and backwards; the inner driving rotating mechanism positioned in the spherical shell mainly comprises an inner driving bracket, a motor, a motor support, a flywheel shaft, a flywheel, an electricity supply power supply and a controller; the main shaft is fixedly connected with the inner driving bracket through the motor support; the fly wheel is installed on the inner driving bracket through a bearing; the motor shaft is connected with the fly wheel through a coupling; and the motor drives the lower part of the motor to rotate together with the flywheel shaft vertical to the main shaft and the fly wheel, and the spherical robot takes a turn under the driving of the fluid on the basis of an angular momentum conservation principle.

A multifunction top lance of party-channel for RH vacuum furnace is used for oxygen-blowing, dusting and baking of the RH molten-steel vacuum circulating process furnace. The oxygen-blowing and dusting of lance are finished in the same channel and by the same injector and the channel is cleaned by the gas purging device when oxygen-blowing and dusting are exchanged. Compared to the prior multifunction top lance, the invention increases the utilization of inner space of lance and the cooling effect, reduces the manufacturing cost and operating cost and optimizes the oxygen-blowing, dusting and baking function in the RH molten-steel vacuum circulating process.

The invention relates to a rotational flow strengthening method and device for purifying sulfur production tail gases by the Claus method, and provides a rotational flow strengthening method for purifying sulfur production tail gases by the Claus method. The method comprises the following steps of: (i) after heat exchange treatment for sulfur production tail gases by the Claus method, mixing the treated tail gases with hydrogen for hydrogenation reaction so as to reduce and hydrolyze elemental sulfur, SO2, COS and CS2 carried in tail gases to H2S; (ii) primarily cooling gases obtained in step (i) and absorbing H2S by countercurrent to remove waterdrops entrained in the gases while performing secondary cooling; (iii) absorbing H2S by countercurrent from the gases obtained in step (ii) for rotational flow separation so as to further remove H2S, and meanwhile rotationally separating amine liquid entrained; and (iv) burning the purified tail gases obtained in step (iii), and cooling to be discharged to atmosphere. The invention further provides a rotational flow strengthening device for purifying sulfur production tail gases by the Claus method.

The invention discloses a loudspeaker module which comprises a shell and a loudspeaker body fixedly contained in the shell. A sound outgoing hole corresponding to the loudspeaker body is formed in the shell and used for outgoing of sound. A shielding part is arranged at the position, corresponding to the sound outgoing hole, inside the shell. The shielding part covers the sound outgoing hole and is of a nonmetal net structure. The shielding part of the nonmetal net structure and the shell are integrally formed in an injection molding mode. The loudspeaker module has the advantages of being good in acoustic performance, high in reliability, good in space use ratio and high in production efficiency.

The invention discloses a storage rack assembly for a refrigerator and the refrigerator with the storage rack assembly. The storage rack assembly for the refrigerator comprises shelves and a storage rack. The shelves are suitable for being horizontally arranged in a refrigerating chamber of the refrigerator. The storage rack is arranged on the bottoms of the shelves in the mode of being capable of moving back and forth. The storage rack can be wholly drawn out forwards from the bottoms of the shelves and separated from the shelves. According to the storage rack assembly for the refrigerator, the bottoms of the shelves are provided with the storage rack capable of being drawn, and therefore the internal space utilization rate of the refrigerator is increased; meanwhile, objects on the storage rack are picked and placed conveniently; moreover, the phenomenon that due to the fact that the number of protruding ribs on a refrigerator body is large, machining is not easy can be avoided; in addition, the practicality and the structure novelty of the storage rack assembly are improved.

The invention provides compact kitchen waste aerobic fermentation equipment, which is composed of a reaction chamber with a stirrer, a cooling water circulating and condensate water collecting system, an air heating ventilation system having the function of deodorizing, a water bath heating and thermal insulation system, and an intelligent control system with a remote supervisor; a travel switch is arranged in the reaction chamber and used for changing the stirring direction of a motor; a heater and a temperature sensor are arranged in a water bath cavity; heat is supplied to the reaction chamber in time according to reaction requirements; a thermal insulation interlayer is outside the water bath cavity and used for insulating the chamber; the air heating ventilation system is capable of ensuring enough oxygen concentration in the reaction chamber in the treatment process; the cooling water circulating and condensate water collecting system is capable of condensing and guiding out water vapour in the reaction chamber in time; a tail gas deodorizing system is capable of preventing secondary pollution to the environment by malodorous gas in the reaction chamber; and the equipment is controlled to operate by a PLC (Programmable Logic Controller) intelligent control system. The compact kitchen waste aerobic fermentation equipment disclosed by the invention is simple in structure, high in space utilization rate, low in operation energy consumption and good in processing effect.

The invention discloses an internally-arranged angle sensor all-in-one ultrasonic motor servo control system and relates to servo control over ultrasonic motors. The internally-arranged angle sensor all-in-one ultrasonic motor servo control system comprises a command module, a compensation module, a digital processing module, a drive panel and an all-in-one actuating mechanism. The command module sends out commands to the compensation module, and the compensation module converts the commands into frequency control signals and transmits the frequency control signals to the digital processing module; the digital processing module processes the frequency control signals into square signals and transmits the square signals to the drive panel, the drive panel amplifies the square signals and then inputs the square signals to the all-in-one actuating mechanism, the all-in-one actuating mechanism is a hollow ultrasonic motor with an internally-arranged angle sensor, the angle sensor feeds back speed and position information, the speed and position information reaches the compensation module after passing through the drive panel and the digital processing module, through comparison, compensation and conversion, newly-generated frequency control signals are transmitted to the drive panel, and therefore closed-loop control is achieved. The internally-arranged angle sensor all-in-one ultrasonic motor servo control system has high reliability, high precision and good environmental suitability, and is especially suitable for being used as shaft end servo control systems of platforms with multi-degrees of freedom.

The invention discloses a micro-cyclone reinforced separation device and a micro-cyclone reinforced separation method for a cold-high-pressure separator. The micro-cyclone reinforced separation device for the cold-high-pressure separator in a hydrogenation reaction process comprises a cylindrical pressure vessel (1) and a micro-cyclone tube bank (2), wherein the micro-cyclone tube bank consists of one or more micro-cyclone tubes. The device has a simple structure and high separation accuracy; in the high-pressure separator of the hydrogenation reaction process, a high-pressure multi-phase mixture containing liquid particles and gas is subjected to reinforcement of micro-cyclone separation; effective micro-cyclone separation of the liquid particles and the gas in the high-pressure multi-phase mixture is finished under an extremely low pressure; the separation accuracy of the cold-high-pressure separator is improved; the manufacturing cost of the cold-high-pressure separator is reduced; and the device and the method are particularly suitable for operation conditions of high pressure and ultrahigh pressure.

The invention provides an electronic device and a manufacture method of the electronic device. The electric device comprises a substrate and a pattern conducting layer which is formed on the external surface of the substrate as an antenna layer and is electrically connected with a controlling circuit board to send or receive a wireless signal, wherein the substrate is positioned between the pattern conducting layer and the controlling circuit board. The pattern conducting layer can be electrically connected with the controlling circuit board through a hole by using a spring sheet to send/receive wireless signals. The substrate can be a shell of the electronic device. The electronic device and the manufacture method of the invention can reduce materials cost, increase the coherence of the electronic device assembly and effectively thin the electronic device.

The invention provides a laser radar, comprising multiple transceiving modules and at least one scanning module, the multiple transceiving modules are used for transmitting a pulse laser beam and receiving an echo signal, reflected by a to-be-detected target, of the pulse laser beam, and the at least one scanning module is used for reflecting the pulse laser beam transmitted by the multiple transceiving modules to a three-dimensional space and is also used for reflecting the echo signal to a corresponding transceiving module; the multiple transceiving modules are horizontally arranged side byside, the scanning module is located at one side of the multiple transceiving modules, emergent surfaces of the multiple transceiving modules are respectively towards the at least scanning module, each transceiving module accordingly detects one sub scanning field of view, and multiple sub scanning fields of view form a total field of view of the laser radar through splicing of the fields of view.The laser radar provided by the invention has the advantages that a scanning field of view of the whole laser radar is increased by utilizing and splicing the multiple sub scanning fields of view; each transmitting module comprises multiple light sources which are arranged in a vertical direction at intervals, so that linear density of a scanning trace of a vertical field of view is effectively increased; and multiple light sources adopt time-sharing transmitting, so that interference of a receiving light path is reduced.

The invention relates to a method and a device for selectively removing hydrogen sulfide from gas by utilizing amine droplets, and provides the method for selectively removing hydrogen sulfide from gas by utilizing amine droplets. The method comprises the steps of (1) atomizing N-methyldiethanolamine solution into droplets with particle size of not larger than 50 micrometer; (2) uniformly mixing the droplets with hydrogen sulfide-containing mixed gas, and introducing into a micro-swirler; (3) allowing thorough contact and reaction between N-methyldiethanolamine droplets and hydrogen sulfide in the micro-swirler to transfer hydrogen sulfide into the droplets, and meanwhile separating the hydrogen sulfide-absorbed droplets from gas; and (4) enriching the hydrogen sulfide-absorbed droplets, recycling, regenerating, and circulating to the step (2). The invention also provides the device for selectively removing hydrogen sulfide from gas by utilizing amine droplets.

The invention provides a compact overturning type double-unmanned-aerial-vehicle nest and a control method. The double-unmanned-aerial-vehicle nest comprises a box body, a cabin door and a overturningplatform. The overturning platform is arranged at an opening position of the box body through a rotating shaft; the cabin door is movably connected with the box body; the distance between the top ofthe cabin door and the surface where the opening of the box body is located is larger than or equal to the height of an unmanned aerial vehicle when the cabin door is closed; and unmanned aerial vehicle fixing mechanisms are arranged on two opposite side faces of the overturning platform. According to the compact overturning type double-unmanned-aerial-vehicle nest and the control method, the storage of the two unmanned aerial vehicles is realized with a small nest size; through a control program, the two unmanned aerial vehicles can automatically execute a written inspection task, and the usesequences of the two unmanned aerial vehicles do not influence each other; and the internal space of the nest can be utilized to the maximum extent, the parking requirements of two unmanned aerial vehicles are met, the inspection efficiency of the unmanned aerial vehicles can be effectively improved, and the equipment cost is saved.

The invention discloses a stem cell cryogenic storage device with a high internal space utilization rate. The device comprises a tank. An annular heat insulating plate is arranged in the side wall ofthe tank. One side, close to the annular heat insulating plate, in the side wall of the tank is provided with an annular liquid nitrogen storage tank. One side of the outer part of the tank is provided with a PLC controller. A rectangular discharge groove is arranged in one side wall, far away from the PLC controller, of the tank. A motor box is arranged in the middle of the lower side of the tank. A servo motor is arranged in the middle in the motor box. Through two placement plates in the middle of a screw and partition plates uniformly distributed at the same angle on the upper side of theplacement plates, the inner space utilization rate of the storage device is greatly improved. The annular heat insulating plate is arranged in the side of the tank. Through cooperation of a sealing plunger and a liquid nitrogen feeding hole and cooperation of a rectangular sealing plug and the rectangular discharge groove, the heat insulation effect is improved.

The invention relates to a double-ring clutch type electromagnetic-drive spherical robot, which comprises a left hemispherical shell, a hemispherical clutching mechanism, a right hemispherical shell, a lead screw shaft, a coupler, a speed reducer, a motor, bearing seat fixing screws, electromagnetic drive parts, magnetic steel rings, permanent magnetic steel pieces, a left bearing seat, a right bearing seat and rubber pads and the like. The left hemispherical shell and the right hemispherical shell form a spherical shell, one or more magnetic rings are arranged in each hemispherical shell, the magnetic steel rings and the spherical surface of the spherical shell are coaxial on the lead screw shaft, the permanent magnetic steel pieces are uniformly disposed on the magnetic steel rings, N-electrodes of two adjacent permanent magnetic steel pieces are opposite in direction, the electromagnetic drive parts mainly includes electromagnetic cores, electromagnetic coils, a control module, a power supply, a supporting plate, a plurality of infrared tubes and supporting wheels, the supporting plate is processed to be arc-shaped and concentric with the magnetic steel rings, and the infrared tubes are mounted on two sides of the supporting plate respectively. The spherical robot can progress and retreat according to the principle of electromagnetic stepping, is simple and reliable in structure, stable and flexible in motion and high in controllability when compared with conventional robots.

An antenna structure includes a first radiation arm, a second radiation arm, a feed end, and a ground end. The second radiation arm is perpendicularly connected to the first radiation arm. The first radiation arm and the second radiation arm jointly form a junction, both the feed end and the ground end are positioned adjacent to the junction.

The invention relates to a rotational flow-washing-rotational flow combined hot high-pressure separation method and a device in a suspended bed hydrogenation process. The method comprises the steps that primary rotational flow separation is conducted on a high-temperature and high-pressure multi-phase mixture after a hydrogenation reaction, so that most catalyst granules are removed; a light-component mixture separated by the primary rotational flow separation is sprayed and washed by a washing solution; secondary micro rotational flow separation is conducted on the sprayed and washed light-component mixture containing liquid drops and few catalyst granules; heavy components obtained from the primary rotational flow separation and the secondary micro rotational flow separation are mixed with the sprayed and washed washing solution; decompression flash is conducted on the heavy components and the washing solution together to recover distillate oil of the heavy components and the washing solution; hydrotreatment is conducted on the light-component mixture obtained after the secondary micro rotational flow separation and the distillate oil recovered by the decompression flash; cold separation is conducted on hydrotreated products to achieve the separation of the distillate oil and gas; hydrogen is recycled after a separated gas phase is purified; and component products are obtained by fractionating a liquid phase.