151results about How to "Portfolio diversification" patented technology

The invention provides a screw rotor end face profile pair and a construction method thereof. The screw rotor end face profile pair comprises a pair of conjugated male rotor profile and female rotor profile, wherein each tooth profile in the male rotor profile and the female rotor profile is formed by six curves in a smooth connection mode; segmented curves of the male and female rotors are first-order continuous, rotor profiles formed by the segmented curves and envelope curves of the segmented curves are not interfered each other; and each curve comprises four segments of elliptical arcs, two segments of arcs and envelope curves of the arcs. According to the invention, tooth crests of driven edges of the male and female rotors are in an elliptical arc transition, and the tooth root and the tooth crest of a driving edge of the male rotor are in an elliptical arc transition, so that the construction of the profile is flexible, the machinable performance of the rotor can be improved, more importantly, the torque generated by the gas pressure on the driven edge of the female rotor can be adjusted, thus the smooth mesh of the rotors can be ensured; no pin tooth arcs are used, thus the meshing stability can be improved; the adjustable construction parameters are more, thus different performance requirements can be satisfied; the combination of the rotor tooth profile pair is diversified, thus the tooth profile pair can be applied to different occasions.

The invention discloses a high-capacity upper and lower isolated solid switch cabinet, and belongs to switch equipment of an alternating current distribution network. The high-capacity upper and lower isolated solid switch cabinet comprises at least one unit cabinet, and each unit cabinet comprises a three-phase high-voltage vacuum switch unit, an upper isolated switch unit, a lower isolated switch unit, a lower grounding switch unit, a bus bushing, a wire inlet and outlet bushing and an operation mechanism. The vacuum switch unit is arranged inside an insulating barrel, and the insulating barrel consists of an upper isolating cover, a lower isolating cover and an insulating cover. The upper and lower isolating covers are made of a polycarbonate material, and the insulating cover is made of an epoxy resin material; an upper isolating blade, a lower isolating blade and a lower grounding blade are arranged inside the upper and lower isolating covers respectively; the bus bushing and the wire inlet and outlet bushing are arranged at the upper and lower ends of the insulating barrel respectively; and the operation mechanism is arranged on the external side of a supporting plate on the uncovered surface of the insulating barrel. By placing electrical equipment of the switch cabinet inside the insulating barrel made of the solid insulating material and adopting a unit cabinet structural style, the switch cabinet is non-toxic and harmless, has a small volume, is convenient to install, is safe in use, saves the resources and prolongs the service life.

The invention discloses an electric transporting mechanism, which comprises guide rails, one or more than two transporting devices, traction devices and an electric control device, wherein the guide rails are double rails in parallel arrangement, guide grooves allowing the transporting devices to move are arranged on the guide rails, each transporting device comprises front and back wheels, a base plate and functional assemblies, the base plate is driven by the wheels, the functional assemblies are arranged on the base plate, the wheels and the guide grooves are matched, the front end and the back end of the base plate are respectively provided with connecting rings, the base plate is provided with positioning holes used for connecting the functional assemblies, the traction devices are respectively arranged at the two ends of the guide rails, a coiling disc used for collecting and releasing traction ropes and a traction motor used for driving the coiling disc to rotate are arranged in each traction device, one end of each traction device is connected with the connecting ring arranged on the transporting device through the traction rope, and the other end of each traction device is connected with the electric control device through the traction motor. The transporting mechanism is in automatic operation, the watering, the fertilization, the seeding, the pesticide spraying, the temperature regulation, the humidifying, the spraying and the sterilization can be efficiently, fast, conveniently, regularly and quantificationally completed, and the agricultural and standardized operation is realized.

A multifunctional full-automatic bicycle lock with a remote control key and a control system of the same are provided. The bicycle lock comprises a lock body and a remote control key. With optimized mechanical-electrical integration design, full automation of unlocking can be achieved; a key is unnecessary for locking and one-key locking can be achieved. An acousto-optic system is matched with various sensors to achieve functions of brake lights, non-locking reminding and vehicle checking and positioning in a carport; and the lock is practical and technical-oriented; the control system of the lock comprises a lock body, a control key, an intelligent terminal and a cloud server. Unlocking can be realized in various ways; with server authority management, authority can be shared, so mechanical key shift among people upon bicycle borrowing by friends can be avoided; and the lock is simple and reliable in design and structure, requires low cost, and has simple use and strong science and technology feeling.

The invention discloses a coded lock cylinder with multiple drive plates, which at least comprises a first drive plate mechanism and a second drive plate mechanism. A center shaft penetrates through the first drive plate mechanism and the second drive plate mechanism, the second drive plate mechanism is sleeved outside the first drive plate mechanism in a stacked manner, a pressure spring is disposed at the bottom of the first drive plate mechanism, a digital drive plate is combined with a telescopic shaft consisting of a lower telescopic shaft and an upper telescopic shaft, the digital drive plate with the larger volume is placed on the upper portion of the center shaft in a stacked manner, a plurality of driven cams with small volumes are placed on the middle lower portion of the center shaft in a stacked manner, the pressure spring is used for providing friction force for the driven cams simultaneously, during usage, the lower telescopic shaft and the upper telescopic shaft can axially move, and radial rotation is not affected. The coded lock cylinder is small in volume, simple in structure, simple and convenient in operation and convenient in locking and unlocking, and has at least two codes and many code combinations, the quantity of the codes is high, and safety is also high.

The invention discloses a pretreatment method for a service control unit, which first implements service filtering rules, confirms the called service control unit and the corresponding pretreatment description information, and then deals with the current communication according to the pretreatment description information in the process of carrying out service. The invention also discloses a pretreatment device and a system for the service control unit. The signaling path of service control unit can be regulated by utilizing the invention in the process of communication subsequent process, thus which solves problem of service interaction and conflict and improves the efficiency of the call establishment and shortens call spicing time.

The invention discloses a steel stand column beam. The steel stand column beam comprises a steel stand column and a plurality of column beam connecting node components, wherein the plurality of column beam connecting node components are in central symmetry and are uniformly distributed along the outer wall of the steel stand column; each column beam connecting node component comprises a web, an upper flange plate and a lower flange plate; an upper connecting node A is provided with a fixed limiting plate, and a lower connecting node B is provided with a limiting bracket; and the steel stand column beam also comprises a plurality of first clamping plates and a plurality of second clamping plates, and each clamping plate is provided with a high-strength bolt connection pair; the web is connected with a main plate of an H-shaped steel beam through the first clamping plates; the upper flange plate is connected with an upper plate of the H-shaped steel beam through the second clamping plates; a cover plate is arranged on the top end surface of the steel stand column, and a grouting hole and a plurality of vent holes are formed on the cover plate; two flange ring stiffened plates are arranged on the middle part in the steel stand column. By adopting the steel stand column beam, the steel stand column beam technology is more advanced, the process is more complete, safe and applicable, the quality is better guaranteed, the utilization rate of the plate is increased, the energy conservation and consumption reduction can be realized, the environment-friendly requirement can be met, and the component quality and construction quality can be improved.

Provided in the invention is a test data simulation method capable of flexibly customizing a frame format. The method comprises the steps: S100, performing test configuration through an upper computerto generate a configuration file; S200, sending the configuration file to a processor subsystem through a network communication module, and generating original test data by the processor subsystem according to the configuration file; S300, performing original test data transmission with a programmable logic array subsystem in an SGDMA transmission mode by the processor subsystem; S400, performingdynamic updating on auxiliary data and payload data respectively by the processor subsystem and the programmable logic array subsystem to complete update of the original test data; S500, performing rate control on the data and sending time sequence processing, and storing the updated test data into a cache; and S600, sending the updated test data to a corresponding hardware interface through an interface logic unit to finish a test data simulation process. According to the invention, simulation generation and sending of the test data are realized based on the embedded heterogeneous system, the format of the test data frame can be flexibly customized, and diversified requirements of the test data frame are met.

The modular stator structure includes base seat of magnetically conducting material and several iron core modules. The iron core modules are corresponding to the fixing notches in the base seat. Eachiron module includes one iron block of magnetically conducting material, one insualting lining and one winding. Several iron modules may be combined flexibly on the base seat to form different combination and may be installed fast onto the based seat in relatively lower design and manufacture cost.

The invention provides an on-line evaluation and optimization system for the operating status of a PWM variable drug applicator. The control system is based on the onsite bus distribution type system architecture of a CAN bus. The upper computer comprises an in-field information processing computer and the controller transmits the working parameters related to the drug spraying pressure, the liquid amount, the machine operating speed, and the liquid height to the in-field information processing computer through the CAN bus in real time. The in-field information processing computer detects and evaluates the various parameters through the built-in drug liquid pump working state online monitoring and evaluating module, the overflow device working state online monitoring and evaluating module, and the spray nozzle working state online monitoring and evaluating module and changes the control unit in real time to optimize and regulate the control parameters so as to improve the working quality. According to the invention, it is possible to carry out real-time evaluation on the drug administrating quality for PWM variable drug spraying, to match parameters in real time, and to achieve optimized regulations. For different planting environments and different agricultural products, multiple combinations can be realized, allowing the system to be applied to various plant protection machines.

The vacuum film coating apparatus includes one vacuum film coating rod, one film coating seat and one film coating stage. The vacuum film coating rod inserted into the film coating seat on the film coating stage includes one support rod connected to the film coating stage, one insulating casing around the support rod, one evaporating heat source set on the insulating casing and one electric system for heating the coated material on the evaporating heat source. By means of the vacuum film coating rod, the vacuum film coating apparatus can coat film to the inner wall of dielectric tube in lowered film coating cost and has relatively small size.

The invention discloses a body sensing shoe and a man-machine interaction method of the body sensing shoe, which belong to the fields of electronic information, automation and computers. The body sensing shoe mainly comprises an upper computer receiving module adopting a wireless technology and a wireless sensing integrated module arranged on a pair of shoes; the wireless sensing integrated module is used for collecting movement information such as movement, rotation, jumping and the like of footsteps of a user, transferring the movement information to the upper computer receiving module by a wireless mode, and achieving interaction with a terminal device. The invention provides a novel man-machine interaction mode by installing the wireless sensing integrated module on common shoes or sneakers and replacing operations of a keyboard and a mouse through the movement information of left and right shoes. The body sensing shoe adopts an accelerometer and a digital gyroscope, has low manufacture cost, is easy to achieve large-scale production practice, and has the advantages of low power consumption and long service time.

The invention discloses efficient and flexible steam-electric hybrid power equipment. The hybrid power equipment comprises a steam turbine, a gear box, an asynchronous motor, a vacuum circuit breakerand an output device; the gear box is a gear box with a clutch function; the asynchronous motor is a double-shaft extension asynchronous motor; an output shaft of the steam turbine is connected with an input shaft of the gearbox; an output shaft of the gearbox is connected with one end of an asynchronous motor rotor, and the other end of the asynchronous motor rotor is connected with the input endof the output device; and the power end of the asynchronous motor is connected with the vacuum circuit breaker and is connected with a power bus through the vacuum circuit breaker. The hybrid power equipment can be flexibly switched among an electric operation mode, a steam operation mode and a steam-electric hybrid operation mode, energy-saving, power-saving and flexible operation requirements can be met, the unit operation reliability is higher compared with conventional pure electric and pure steam operation, the hybrid power equipment is matched with steam of a steel mill for gradient utilization, the emission is reduced, the operation reasonability and economical efficiency of the hybrid power equipment can be further improved, economic benefits of the steel mill is greatly increased, and great social benefits are achieved.

The invention relates to a decomposition agent for composting and a preparation method and application thereof. The preparation method comprises the steps that S1, a bacillus mixed fermentation dryeris prepared; S2, a trichoderma harzianum, brewer's yeast and lactic acid bacteria mixed dryer is prepared; S3, a decomposition agent is compounded, the bacillus mixed fermentation dryer prepared in the step S1 and the trichoderma harzianum, brewer's yeast and lactic acid bacteria mixed dryer prepared in the step S2 are mixed evenly according to the proportion to obtain the decomposition agent. Thedecomposition agent has the advantages that the decomposition agent is produced by adopting the method of adopting bacillus playing a main role for mixed fermentation, a selected culture medium doesnot need sterilization treatment, the living bacteria count of the bacillus mixture obtained through mixed fermentation can reach 20 billion cfu/g or above. The decomposition agent is mainly applied to composting fermentation excrements of livestock, dreg substances, straw and the like.

The invention discloses a animal growth promotion nourishing agent which comprises animal blood 25-30kg, bran flour 16-20kg, calcium oxide powder 0.1-0.5kg, yeasts 0.005-0.01kg, ferrous sulfate 0.015-0.03kg, copper sulphate 0.005-0.01kg, zinc sulphate 0.005-0.015kg, manganese dioxide or manganese sulphate 0.015-0.025kg, cobalt chloride 0.0012-0.005kg, potassium iodide 0.003-0.005kg, sodium hydrogen carbonate 0.25-1.5kg, sodium sorbate or potassium sorbate 0.05-0.075kg. The invention also discloses the method for producing the nourishing agent.