1938results about How to "Simple internal structure" patented technology

The invention discloses an unmanned air vehicle with multiple rotary wings in a plane-symmetry layout, comprising a body, rotary wing assemblies and undercarriage, wherein, the number of the rotary wing assemblies is an even number more than or equal to 4; each rotary wing assembly comprises a rotary wing support arm, a rotary wing motor and a rotary wing, the rotary wing motor is fixed at the outer end of the rotary wing support arm; the rotary wing is arranged on a rotation shaft of the rotary wing motor and is driven by the rotary wing motor; the longitudinal symmetrical planes of the all rotary wing assemblies relative to the body are distributed in a bilateral symmetry mode, and are fixedly connected with the two sides of the body through the inner ends of the rotary wing support arms; an equipment compartment and a power source compartment separated front and back are arranged in the body, the equipment compartment comprises a navigation component, a flight control component and a communication component; the power source compartment comprises a battery for providing power to the electronic equipment of the whole air vehicle; the undercarriage is fixedly connected at the lower part of the body; and the flight control component is provided with a flight control computer with the functions of fault diagnosis of the multiple rotary wings and fault-tolerant flight control. The unmanned air vehicle has the advantages of novel appearance layout, concise internal structure, reliable system control and better engineering application value, and is easy for engineering implementation.

An electronic cigarette comprising a housing and, arranged within the housing, an atomizer apparatus and a power supply control apparatus used for providing power supply to the atomizer apparatus and for controlling the working of same. The power supply control apparatus comprises a battery, a microphone, and a control panel. The microphone and the control panel are both arranged at one end of the battery. The microphone is adjacent to the battery. The control panel is arranged in proximity to an opening end of the housing and is adjacent to the microphone. The microphone and the control panel are insulated and separated from each other. The electronic cigarette is structurally simple and is easy and convenient to assemble.

The invention is related to an electronic cigarette, including an outer shell; at least two soft layers are fitted around the outer shell and wrap the outer shell therein; the outer shell therein has a liquid storage component, an atomizer and a power supply; one end of the outer shell is set with a mouthpiece cover; the outer shell therein is further set with an liquid isolation component; the liquid storage component is disposed in a closed space enclosed by the mouthpiece cover, part of the outer shell and the liquid isolation component; inner wall of the liquid storage component is set with a conduit supporting the liquid storage component, the conduit is respectively communicated with the mouthpiece cover and the liquid isolation component; the atomizer is fixedly supported in the conduit. The electronic cigarette offers favorable feeling to touch and mouth, a simple structure, and quick and convenient assembly.

An electronic cigarette comprising a cylindrical housing (1), a mouthpiece cover (33) arranged at one end of the housing, and a bottom cover arranged at the other end of the housing, where the bottom cover and the housing are integrally formed. The housing has arranged therein a liquid storage component (37), an atomizer (21), and a storage power supply (36). The housing also has arranged therein a liquid partitioning component (31). The liquid storage component is accommodated and fixed within a closed space defined and formed jointly by the mouthpiece cover, a portion of the housing, and the liquid partitioning component. The liquid storage component has arranged on the inner wall thereof a conduit (35) used for supporting the liquid storage component. The conduit is in communication respectively with the mouthpiece cover and with the liquid partitioning component. The atomizer is supported and fixed on the conduit. This electronic cigarette is capable of preventing the bottom cover from falling off of the housing, also is structurally simple, and is easy and convenient to assemble and disassemble.

The invention discloses a tile delivery mechanism of an eight-outlet automatic mahjong machine. The mahjong machine comprises a rack, a large plate is arranged in the rack, and each of four sides of the large plate is provided with two outlets; the tile delivery mechanism comprises initial tile delivery tracks arranged at the four sides of the large plate, and first and second tile delivery tracksboth arranged on four sides of the large plate; the initial ends of the first and second tile delivery tracks are connected with corresponding initial tile delivery tracks, and the tile delivery terminal ends of each pair of the first and second tile delivery tracks are arranged corresponding to two outlets at one corresponding side of the large plate; first tile pushing heads are slidably arranged in the initial tile delivery tracks and the first tile delivery tracks, and second tile pushing heads are slidably arranged in the initial tile delivery tracks and the second tile delivery tracks;and the rack is provided with a driving mechanism used for driving the first tile pushing heads and the second tile pushing heads to simultaneously depart from the initial tile delivery tracks and arrive at the corresponding tile delivery terminal ends. The tile delivery mechanism realizes tile sending and dividing at the same time, and saves the time for dividing tiles.

The invention discloses a steering control method for a self-balancing two-wheeled vehicle. The two-wheeled vehicle comprises two separated split frames, a connecting shaft is arranged between the two split frames, and motors and gyroscopes capable of controlling the rotating speed of the motors are arranged in the split frames. The steering control method for the self-balancing two-wheeled vehicle comprises the following steps that firstly, the outer split frame needing to turn is treaded by the foot, and the inner split frame is kept horizontal. According to the split frame in the horizontal state, due to the fact that the gyroscope does not induct changes of the inclination angle, the motor does not rotate, the gyroscope at the bottom of an upper cover pedal inducts the changes of the inclination angle after inclination, signals are output to a circuit board to enable the motor to rotate, and therefore wheels are driven to rotate. Finally, one wheel does not rotate, the other wheel rotates, the two-wheeled vehicle turns and moves with the wheel which does not rotate as the center, the acceleration, speed reduction and turning functions can be achieved through foot treading, and the structure is simple.

A system and method for improving modularity of a software source code is provided. The system comprises of a user interface for receiving source code; a source code model extractor for parsing and forming a model of the source code; a source code model database for storing the source code model, refactoring operators, and a record of refactoring changes; a modularity improvement analyzer for reading the source code model and modularity problem diagnosis data and generating a set of prescriptions; an optimal improvement suggestion selector for evaluating and selecting prescriptions; and a refactoring engine for receiving selected prescriptions and applying them on the source code.

A light source device (40) attached to an optical equipment provided with a light-source cooling fan (3) has a light source (401), a reflector (402), a light-transmissive component (51) that closes the light-irradiation side of the reflector (402) and a light source housing (50) that houses the above components. An opening (402A) for introducing a cooling air is formed on the reflector (402) and an opening (52) is formed on the light source housing (50) at a position corresponding to the light source housing (50). A duct (53) of which light-irradiation side is opened is provided on the opening (52). When the light source device (40) is attached to the optical equipment, the duct (53) protrudes toward the light-irradiation side to be connected with the fan (3). The opening (52) is opened in accordance therewith, so that the air from the fan (3) is introduced into the reflector (402).

The invention discloses a recycled concrete and a production technology thereof. The recycled concrete is prepared from, by weight, 100-112 parts of coarse aggregates, 68-75 parts of fine aggregates,27-33 parts of cement, 15-22 parts of a mineral admixture, 5-10 parts of fibers, 3-8 parts of rubber particles, 13-19 parts of water and 0.6-1.0 part of an admixture; the coarse aggregates include modified recycled coarse aggregates and ordinary coarse aggregates, and the recycled coarse aggregates are obtained by modifying waste concrete particles with a nano-material and silica sol as modifiers;and the fine aggregates include recycled fine aggregates and ordinary fine aggregates. The production technology improves the compressive strength, the flexural strength and the drying shrinkage of concrete, and improves the flexural property, the impermeability, the corrosion resistance, the impact resistance and the wear resistance of concrete. The preparation method of the recycled concrete includes the following steps: detection, metering, mixing, stirring and curing. The preparation method of the invention has the advantages of simple production process, safety in operation, and easinessin implementation.

The invention relates to a motor control system and method without a position sensor. According to the invention, internal signals of a motor can be detected without needing the position sensor. In the motor control system without the position sensor, a high-frequency voltage signal injection unit injects a high-frequency voltage signal to a d axis in a synchronically rotating d-q coordinate system; the voltage signal is obtained by a Park inverse transformation unit; a voltage vector on a static coordinate system generates a power device pulse width signal through a space vector pulse width modulation algorithm; a three-phase current signal and a high-frequency injection signal are generated according to the power device pulse width signal; the three-phase current signal is filtered by using a band-pass filter to reserve the high-frequency injection signal; the high-frequency injection signal is subjected to Clarke transformation and Park transformation in turn to obtain current; the current is subjected to signal processing through a rotor position observer unit to obtain position and speed of a rotor. According to the invention, internal structure of a motor system is simplified, cost for the motor control system is greatly reduced, and stability of the motor is improved.

An air mattress includes an inflatable compartment having a length and width, when inflated, sufficient to support a human body; an internal, generally horizontal wall located between the top and bottom of the compartment and connected to and horizontally restraining the sides of the compartment; at least one internal, generally vertical member connected to and restraining the relative vertical movement of the top and bottom of the compartment; and wherein one of the internal, generally vertical member and the internal, generally horizontal wall possesses an opening that permits at least a portion of the other structure to pass therethrough without interruption.

An inkjet recording apparatus having a plurality of inkjet heads arranged along a paper conveyance line is disclosed, which is capable of collecting an ink mist efficiently without making the inkjet heads intricate in makeup. To this end, an air suction and blast unit is disposed in a space between the upstream and downstream inkjet heads which are successive and includes a housing, an air suction port provided at one side of the housing, an air blast nozzle provided at the other side of the housing, a fan provided between the air suction port and the air blast nozzle in the housing for creating an air flow flowing from the air suction port to the air blast nozzle and a mist filter in the housing for catching an ink mist in the air flow created by the fan, wherein the air suction port is opposed from a downstream side to a gap between an under surface of the upstream inkjet head and the paper conveyance line while the air blast nozzle is opposed from an upstream side to a gap between the downstream inkjet head and the paper conveyance line.

The invention relates to a building staircase multifunctional electric meter, which comprises a current transformer, a sampling circuit, a voltage sampling circuit, a person trajectory analysis device and an MSP430 single chip microcomputer, wherein the current transformer and the sampling circuit are used for sampling current signals in an AC line; the voltage sampling circuit is used for sampling voltage signals in the AC line; the person trajectory analysis device is used for determining whether the action trajectory of a person target in the staircase is suspicious; and the MSP430 single chip microcomputer is connected with the current transformer and the sampling circuit, the voltage sampling circuit and the person trajectory analysis device respectively for determining active power and reactive power in the AC line based on the sampled current signals and the sampled voltage signals and determining whether the person target is an escaped convict based on output of the person trajectory analysis device. Thus, the building security efficiency is improved while the electric energy outputted by the AC line can be accurately detected.

The present invention relates to a dust collection unit for use in a vacuum cleaner. According to the present invention, there is provided a dust collection unit for use in a vacuum cleaner which comprises a cylindrical casing in which air introduced through an inlet port is formed into spiral flow and of which an upper end is open; a cover for opening and closing the upper end of the casing; a filter which is installed on a bottom surface of the cover and formed in the shape of a cylinder having a predetermined length and by which fine foreign substances can be filtered out when the air is introduced from the exterior thereof, and through which the air is discharged downwardly; and an exhaust duct which comes into close contact with a bottom surface of the filter and including an exhaust port on a side surface of the casing to discharge the air from the filter to the exterior of the casing. It is preferred that the exhaust port of the casing be formed at a lower portion of the side surface of the casing.

The invention discloses a method for steel-box beam erection applied in self-anchored suspension bridge. Procedures comprise that (1) the support for steel-box beam is set on bank or in no-navigation area and steel-box beam is preassembled with dividing segments on the support for steel-box beam; (2) temporary piers for steel-box beam, which satisfy waterway grade, are set in the waterway suspended by the suspension bridge; (3)preassembled steel-box beam is pushed forwards by pushing or dragging method so that the steel-box beam moves to temporary piers for steel-box beam from the support for steel-box beam and the steel-box beam is supported by temporary piers; then the steel-box beam is preassembled in dividing segments and it is pushed or dragged continuously so that preassembled steel-box beam moves forwards and it passes through temporary piers for steel-box beam on waterway in turn to achieve the opposite bank. The invention is provided with simple construction and it can be applied in waterway with busy suspension and higher waterway grade.

The invention provides a high-toughness polyvinyl chloride tube, belonging to the technical field of high polymer materials. The high-toughness polyvinyl chloride tube is prepared from the following components in parts by weight: 100-150 parts of polyvinyl chloride resin, 20-30 parts of chlorinated polyvinyl chloride resin, 6-8 parts of acrylic resin, 2-4 parts of polytrimethylene terephthalate, 3-6 parts of polyurethane, 10-15 parts of styrene-butadiene rubber, 3-6 parts of maleimide, 1-2 parts of methyl methacrylate, 1-2 parts of dibasic lead phosphite, 2-4 parts of silicon carbide whisker, 1-2 parts of glass fiber, 2-3 parts of polyamide, 2-4 parts of diphenyl phosphite, 2-3 parts of stabilizer, 2-6 parts of chlorinated polyacrylic acid-butadiene-styrene copolymer, 1-2 parts of antiaging agent, 1 part of aluminum oxide, 1 part of silicon dioxide, 1 part of titanium dioxide, 2-3 parts of mullite, 1-2 parts of titanate coupling agent, 6-10 parts of lubricant and 2-3 parts of colorant. The prepared polyvinyl chloride tube has the characteristics of high toughness and high mechanical strength, and is superior to like products in the market.

The present invention features processes of making tablets having reduced internal fractures. In one aspect, the processes comprise the steps of (1) compressing a pre-tabletting material in a die to form a tablet, where an internal surface of the die is lubricated with at least one lubricant and the pre-tabletting material comprises at least one therapeutic agent and at least one pharmaceutically acceptable polymer; and (2) ejecting said tablet from said die. In another aspect, the processes employ a granular or powdery pre-tabletting material which comprises at least one therapeutic agent and at least one pharmaceutically acceptable polymer, wherein 90% of the particles in the pre-tabletting material are smaller than 400 μm.

An airbag apparatus for a vehicle, may include an integrated vent formed in an airbag cushion, a tube provided on the airbag cushion and communicating with the integrated vent, wherein an inner diameter of the tube varies while gas may be discharged through the tube, so that a rate at which gas may be discharged from the airbag cushion may be adjusted according to a point of time of deployment of the airbag cushion, and a tether wrapped around the tube, the tether being connected to inner surface of the airbag cushion such that opposite ends of the tether may be pulled away from each other when the airbag cushion deploys, so that in a predetermined time period of the deployment of the airbag cushion, the tether contracts the tube, and after the predetermined time period, the tether snaps, thus releasing the tube.

This invention belongs to the category of the lithium battery technology, specially, it relates to an oil-cooled lithium battery module comprising of an oil cooling system and a lithium battery module, wherein the lithium battery module immerged in the oil cooling system and composed of a battery base, a battery core within a core rubber sleeve as well as a press plate, a PCB support plate and a top cap which are disposed in sequence at the front end of the battery core. The top cap is sealingly connected with the battery base, which houses the core rubber sleeve. In comparison with the prior art, the oil cooling system in the present invention controls the oil temperature to ensure that the battery core can run under normal ambient temperature.

The invention provides a solid aluminum alloy conductor and a preparation method thereof. The solid aluminum alloy conductor contains by weigh 0.40-1.00% of iron, 0.05-0.20% of copper, 0.05-0.10% of silicon, 0.02-0.12% of zinc, 0.01-0.05% of magnesium, 0.02-0.12% of rare earth element and the balance of aluminum and unavoidable impurities. The method comprises steps of: completely melting an aluminum ingot; adding a magnesium ingot with a special tool; after melting, sequentially adding manganese aluminum alloy, zinc aluminum alloy, copper aluminum alloy, iron aluminum alloy, silicon aluminum alloy and rare earth aluminum alloy of different weights; fully mixing, refining and conducting ladle analysis; after qualification of all components, casting and rolling into a required aluminum alloy rod; conducting aging treatment; extruding the required solid core conductor according to the requirements; conducting special heat treatment to reach corresponding performance indicators, so as to meet the need to substitute a traditional copper core electrical wire of electrical wire materials.