30results about How to "Realize modular combination" patented technology

The comprehensive system for utilizing the gas resource of garbage landfill is connected to the gas collecting well of garbage landfill to treat and utilize the landfill gas. It includes one primary unit and one secondary unit connected to the primary unit and features the primary unit comprising screen type gas filter, gas-liquid separator, flow meter, gas analyzer and fan; and the secondary unit comprising pollution-less burning exhaust device and / or recovering utilization device. The present invention solves the problem of re-using the landfill gas resource and is favorable to environment protection.

The invention provides a gear speed reduction motor, belongs to the technical field of machines, and aims to solve the problems that a conventional gear reduction motor is inconvenient to assemble or disassemble and long mounting and repairing time is needed. The gear speed reduction motor of an improved structure comprises a motor and a speed reducer, wherein the motor is provided with a motor shell and a motor rotating shaft; the speed reducer is provided with a box body, a bevel gear input shaft and a bevel gear output shaft; the motor shell is fixedly connected with the box body; the motor rotating shaft and the bevel gear input shaft are arranged in a co-axis manner; one end of the motor rotating shaft penetrates into the box body to be fixedly connected with the bevel gear input shaft; an ejection structure is further arranged between the motor rotating shaft and the bevel gear input shaft; a bevel wheel shaft is arranged between the bevel gear input shaft and the bevel gear output shaft; the bevel wheel shaft is positioned inside the box body and is fixedly connected with a bevel gear which is meshed with the bevel gear input shaft; the bevel gear output shaft is fixedly connected with a bevel wheel which is meshed with the bevel wheel shaft. The gear speed reduction motor of the improved structure is simple and compact in structure and convenient and rapid to assemble and disassemble.

A battery charge and discharge device comprises a battery charge and discharge assembly and a full digital controller, which is characterized in that the battery charge and discharge assembly is composed of an AC-DC voltage PWM controllable rectifier part, a DC link filter part and an AC-DC bidirectional chopper part which are in cascade connection; the AC-DC voltage PWM controllable rectifier part is formed by the cascade connection of an AC inlet inductance and a full control rectifier bridge, wherein the AC inlet inductance is formed by the cascade connection of a transformer output leakage inductance and an AC inductance, and the bridge arm of the full control rectifier bridge is formed by the cascade connection of power switching elements; the DC link filter part is formed by the parallel connection of a DC capacitance and a high frequency absorption capacitance; the AC-DC bidirectional chopper part is formed by the series connection of power switching elements and a DC output inductance. The battery charge and discharge device has the advantages that power factor approaches 1 when the battery is being charged, input current harmonics content is low, output voltage range is wide, output current precision is high and the like, and the battery charge and discharge device realizes safe machine halt in case of power failure at the same time.

The invention relates to a pulse plasma thruster based on capillary discharging. The pulse plasma thruster comprises a power supply processing unit, a main capacitor, a semiconductor sparking plug, an ignition circuit, a main discharging circuit, a propellant working medium, a cathode nozzle, an anode and an organic glass shell. According to the pulse plasma thruster, through introducing the cathode nozzle, main discharging current and the moving direction of plasma form certain angle, and electromagnetic acceleration is introduced under the function of a self-inductance magnetic field. Different from the traditional electromagnetic acceleration type pulse plasma thruster, the pulse plasma thruster based on capillary discharging fully utilizes an electric heating acceleration mechanism to improve the energy utilization efficiency, can improve the overall efficiency of a system under the low-power level, and is particularly suitable for the low-power application site of a microsatellite.

The invention discloses an automatic transfer machine equipment for a coating line, which includes a lifting transfer line, a transfer transfer line, and a follow-up positioning system; the lifting transfer line is provided with two groups, which are used in different production lines Among them, it includes lifting and transferring slide rails and lifting and transferring components; the transfer and transfer line is arranged between the lifting and transferring lines, and is used to transfer the products on one group of lifting and transferring lines to another group, which includes Reload transfer slide rails, transfer mount transfer components; the follow-up positioning system includes signal sending components and signal receiving components; It is within the acceptance range of the signal receiving element, and is electrically connected with the transfer load transfer line, which is used to synchronize the travel of the transfer transfer assembly and the lifting transfer assembly to realize follow-up positioning, which has the advantages of improving production efficiency, increasing flexibility, reducing The advantages of occupying an area and helping the transfer machine to realize modular combination.

The invention provides a storage battery charging and discharging device, which is used for the production and test of the charging and discharging of storage batteries. The storage battery charging and discharging device comprises a storage battery charging and discharging assembly and a full digital controller, wherein a main circuit consists of a non-controlled rectification unit, a DC wave filtering unit and a DC-DC two-way wave chopping unit through serial connection, the non-controlled rectification unit consists of a diode rectification bridge, the DC wave filtering unit consists of a DC wave filtering capacitor and a high-frequency absorption capacitor through parallel connection, the two-way wave chopping unit consists of a power switch device and a DC output inductor, and the full digital controller uses a high-performance digital signal microprocessor as a core for generating pulse width modulation signal control signals for carrying out dynamic control on the DC output voltage and current. The invention avoids the defects of the charging and discharging device in aspects of power factors and energy utilization, the electric energy can be efficiently utilized, the modularized combination, the charging and discharging energy two-way flowing function and the safety power failure machine halt function can be realized, and the invention has the advantages of high universality, high network side power factor, wide range of output voltage, high dynamic precision of output current and high response speed.

The invention relates to a pulsed plasma thruster based on electrothermal-electromagnetic hybrid accelerating. The pulsed plasma thruster based on electrothermal-electromagnetic hybrid accelerating comprises a power processing unit, a micro pulse forming network, a trigger, a trigger circuit, a main discharge circuit, a capillary discharge cavity, a cathode nozzle, an anode base, a rodlike anode and a backflow shell. Owing to the ingenious structural design, the pulsed plasma thruster can achieve electrothermal and electromagnetic accelerating effects simultaneously, and can play a good accelerating effect on neutral elements and charged elements produced by ablation. In a small energy state, the problem of low thruster efficiency can be improved significantly, and the pulsed plasma thruster is suitable for low power micro satellite applications.

The invention relates to a winnowing type primary cleaning device in grain machinery, in particular to a self-flowing type winnowing gain cleaning device. A box body is of a parallelogram rhombus cubic structure; shutter type air inlets are formed in the front side of the box body; the rear side of the box body is of a bent board structure; J-shaped bent boards are arrayed in a stepped way; the left end and the right end of each J-shaped bent board are fixed on the box body; the middle of each J-shaped bent board is forwards hooked up in a parabolic form; the box body is externally connected with an air drafting and dust removing device through an air scoop and an air duct. The self-flowing type winnowing gain cleaning device has the advantages that grains automatically flow from top to bottom without feeding from an active force; in addition, the grains are fully and upwards thrown under the action of the J-shaped bent board, so that light impurities and dust can be effectively removed. The self-flowing type winnowing gain cleaning device disclosed by the invention has the advantages of simple complete machine structure, small overall dimension, convenience in moving and using, high efficiency, high yield and low cost.

The invention relates to a split type pulse dust collecting wagon. A dust collecting barrel is transported by a bearing platform of the dust collecting wagon; a filtering device, a gas storing barrel, an electromagnetic valve and a jet device are arranged in the barrel; the dust collecting wagon is also provided with a front cover and a rear cover, wherein the lower part of the dust collecting barrel is mounted on the front cover; the rear part of the dust collecting barrel is matched with the rear cover, and a space is surrounded by the dust collecting barrel and the rear cover; the gas storing barrel and an oil-free compressor are arranged in the space; a high pressure turbine fan is directly arranged on the wagon platform, and is positioned in a space surrounded by the front cover and the wagon platform. According to the split type pulse dust collecting wagon disclosed by the invention, the modularized combination is structurally realized, so that conventional separated components are integrated, compactly arranged and accommodated in the dust collecting barrel or in closed spaces between the wall of the collecting barrel and the front cover and between the wall of the collecting barrel and the rear cover. The closed structure formed by the system can effectively collect dust, so that dust is prevented from diffusing to an external space.

The invention discloses a quickly disassembled and assembled power distribution cabinet, which relates to the technical field of power distribution cabinets. The invention comprises a counterweight base; a hydraulic rod is fixedly connected inside the counterweight base; a chute is provided around the counterweight base; an outer cabinet is slidably connected to the sides around the chute; one end of the hydraulic rod penetrates the outer cabinet and extends to the inside of the outer cabinet; A water immersion sensor is fixedly connected to one surface of the outer cabinet; a first limit ring and a second limit ring are respectively threaded on the sides around the hydraulic rod; shock-absorbing springs are set on the sides around the hydraulic rod. Through the design of the inner frame, bumps, embedded holes, double-headed screw, vertical rod, bottom frame, top frame and mounting frame, the present invention enables the device to be quickly assembled and disassembled through a Lego-style splicing structure on the one hand, And realize the modular combination of the frame body, the versatility of the components and the ease of use of the component modules; on the other hand, through the pull-out structure of the mounting frame, it is convenient for quick maintenance of the electrical components inside the device.

The invention relates to an integrated membrane filtration and aeration device, which comprises an upper chamber, a lower chamber and a cylindrical filter membrane sealed and connected between the upper chamber and the lower chamber; the center of the upper chamber and the lower There are support rods connected between the centers of the cavity, and several water channel dividing plates are distributed around the supporting rods. One side of the water channel dividing plates is connected with the supporting rods, and the other side of the water channel dividing plates is connected with two air Channel divider, the two air channel dividers are in contact with the filter membrane to form fan-shaped intake channels; and any adjacent two water channel dividers, two intake channels and two intake channels The filter membranes between them together form a drainage channel; the upper chamber is connected with an outlet pipe, and the lower chamber is connected with an air inlet pipe; the present invention integrates aeration and filtration, and realizes the removal of the outer membrane while degrading water pollutants. The erosion of surface scaling pollutants maintains the stability of the effluent membrane flux and high oxygen transfer efficiency.