36results about How to "No loopholes" patented technology

The invention discloses a multi-rising-and-landing-point course planning method used for cruising power of a unmanned aircraft, which is characterized by using a rising-and-landing point of the unmanned aircraft as a parameter for planning the track, and dividing a testing zone by combining with the distribution of the rising-and-landing points according to the limitation of the capability of the single flight of the unmanned aircraft. In the invention, the operator of the rotor wing unmanned aircraft can appoint a rising-and-landing point, the course planning system generates an estimation rising-and-landing point and a partitioning course plan of the unmanned aircraft operation capability according to the rising-and-landing points, and the operation scope and the operation parameters which are provided by the operator. The operator can perform checking and adjustment through the generated partitioning course so as to generate a relatively optimized unmanned operation course. Except for reducing the flight distance of the rotor wing unmanned aircraft and improving the working efficiency in the practical operation, and the partitioning course planning can also support the collaborative operation by a plurality of the unmanned aircraft in one test area.

The invention provides an elevator maintenance flow standardization achieving method. The method comprises the following steps that (1), elevator maintenance software is installed on a company server; (2), elevator maintenance terminal software is installed; (3), the elevator maintenance terminal software is connected with the elevator maintenance software on a company server through a network; (4), maintenance attendance signing-in and signing-out are carried out; (5), elevator maintenance signing-in and signing-out are carried out; (6), site feedback is carried out; (7), elevator accessories are inquired; (8), task assigning is carried out; (9), temporary job rating is carried out. The method has the advantages that elevator maintenance flow standardization is achieved by installing the elevator maintenance software on a computer and installing the elevator maintenance terminal software on a mobile phone, maintenance attendance is standardized in real time, loopholes are avoided, and the elevator accessories are managed through two-dimensional codes and are standardized and systematized.

The invention relates to a seeking method for intersection sections of complex planar chips. The basic thought is as follows: an intersection result of two complex planar chips is composed of a plurality of line segments. The seeking method comprises the following steps: firstly, acquiring a theoretic intersection section which is long enough according to a plane equation of the two planar chips; acquiring a point of intersection of a lateral line segment and the theoretic intersection section on each planar chip; ranking the points of intersection according to the magnitudes of projection coefficients of the points of intersection; forming one intersection section by each pair of points of intersection, thereby acquiring a set of the intersection sections on each planar chip; and lastly, acquiring the intersection of the sets of the intersection sections of the two planar chips, namely, the intersection sections of two complex planar chips. The seeking method provided by the invention has the advantages of simple, easy operation, strict algorithmic logic, perfect geometric completeness, small calculated amount of algorithm, and the like, and is applicable to the geometric modeling in the fields of CAD (Computer-Aided Design), CAM (Computer-Aided Manufacturing), CAE (Computer-Aided Education), virtual reality, 3D (Three Dimensional) printing, and the like.

The present invention relates to a surface boundary recovery method of a grid model. The basic thinking of the method comprises the steps of classifying the coplanar and same-direction surface sections according to the characteristics of the surface envelope surface sections of the grid model; then, analyzing the edge-edge adjacent relation of the coplanar and same-direction surface sections in the same plane to obtain the surface sections capable of forming each surface of the model; and then, for each surface, identifying and extracting the boundary edges of the surface sections, and connecting the boundary edges from head to tail to form a plurality of rings, and then extracting the vertexes of the rings to obtain the rings represented by point sequence; finally, distinguishing the inner and outer rings to obtain the contour boundaries of the model surfaces. The surface boundary recovery method of the present invention has the advantages of being wide in application range, rigorous in algorithm logic, good in geometric completeness and strong in practicality and reliability, etc., and can be used for the reverse obtaining of the grid model, or the works of needing the reverse solution to further modify and simply the model, analyze the engineering numerical values, redivide the grid, etc.

The invention belongs to the technical field of copper alloy machining, and relates to a covering agent applicable to smelting of a copper alloy containing easily oxidized alloying elements, and application of the covering agent. The coving agent consists of the following components in mass percent: 50-80% of sodium borate and 20-50% of cullet, wherein the sodium borate and the cullet are added respectively, and the cullet is added firstly, and then the sodium borate is added with the time interval not less than 10 min. Through the covering agent, vacuum smelting can be replaced by common smelting, the copper alloy containing easily oxidized alloying elements can be smelted by a common electric induction furnace, large-size ingot castings can be easily prepared and continuously cast, and the alloy quality of the copper alloy subjected to smelting is better. The covering agent related to the invention has the characteristics of low cost, environmental protection and energy conservation.

The invention provides a semi-softened high-copper low-manganese alloy material. No hole is produced in the extrusion process, an extrusion thin pipe is not likely to be broken, and extrusion fluidityis good. The material is prepared from, by mass, 0.03-0.08wt% of Si, 0.10-0.20wt% of Fe, 0.4-0.6wt% of Cu, 0.05-0.2wt% of Mn, 0.005-0.1wt% of Y and the balance Al. The sum of the mass percents of thecomponents is 100%.

The invention discloses a three-dimensional air curtain air curtain machine. Specifically, the air curtain machine includes: an air inlet device through which external air enters the air curtain machine; The air collected by the wind device enters the aerodynamic fan; and the rectification structure of the air outlet, the high-pressure and high-speed airflow output by the aerodynamic fan is output to the air curtain machine through the air outlet rectification structure, forming a three-dimensional air curtain; the air outlet rectification structure includes strip air outlets The rectification structure and the rectification structure of the matrix point air outlet, the rectification structure of the strip air outlet adopts the structure of wing rectifier and comb rectifier to comb the air flow, and the rectification structure of the matrix point air outlet adopts the split rectifier structure. The air curtain machine of the present invention can form a three-dimensional high-pressure circulating air chamber, which can effectively isolate the convection of cold and hot air with a large temperature difference. The efficiency is as high as 89%, which is more energy-saving and efficient.

The invention provides a comprehensive intelligent management device for a community, which comprises the components of an LCD display screen, a data processor, a data sensor, a fireproof device, a comprehensive parking management device and an antitheft device. One end of the data sensor is connected with the data processor, and the other end is connected with the fireproof device, the comprehensive parking management device and the antitheft device. The LDC display screen is connected with the data processor. Simple structure and reasonable design are realized. The comprehensive intelligent management device is used for managing aspects such as safety, parking and antitheft effect in the community, thereby saving a large amount of manpower; improving operation efficiency; making service more active, convenient and comprehensive; and realizing intelligent management and no bug.

The invention relates to an intelligent fire extinguishing system for the field of mine mining based on the Internet of Things technology. The intelligent fire extinguishing system has the following beneficial effects that by means of a response pipe, in a high-temperature area with the temperature close to an ignition point or the initial stage of fire occurring in electric equipment, the response pipe is matched with a storage tank, a pressure sensor and other components to conduct fire extinguishing operation in time, the fire behavior is choked in the initial stage, fire extinguishing canbe carried out without waiting for open fire flooding, and the loss is recovered to the greatest extent; by means of the Internet of Things technology, an alarm can be given in time at the early stageof a fire, fire alarm information can be transmitted and warned in time, meanwhile, a corresponding fire extinguishing device is started to extinguish the fire in an initial state, and heavy economiclosses are avoided; and the response pipe is matched with the storage tank and the like to extinguish fire, then a fire-fighting robot and firefighters are used for manual fire extinguishment, triplefire-fighting measures are adopted, fire delay or missed alarm is avoided to the maximum extent, and it is guaranteed that a fire-fighting system is free of loopholes and dead corners, safe and reliable.

The invention discloses a protection software, comprising an operating system and an encryption system, wherein the operating system comprises a login module and a selection processing module; the encryption system comprises a setting module, a data processing module and a verification module; the login module is connected with the selection processing module; the selection processing module is connected with the setting module; the setting module is connected with the data processing module; and the data processing module is connected with the verification module. The protection software has functions of safety, no flaws, simple operation and convenient usage.

The invention relates to a safe tank steaming and washing process for a dangerous goods transportation tank car, which comprises the following steps of: S1, opening an oil discharge valve at the rear part of the tank car to control and discharge residual media in the tank, and dismounting a fusing bolt and an anti-overflow probe rod of a sea valve; s2, the tank car is driven into a tank steaming station for tank steaming; s3, after the tank truck finishes steaming, stopping steaming, putting an axial flow fan into a rear manhole, continuously ventilating for more than 30 minutes, and stably reducing the temperature in the tank to below 25 DEG C; s4, cleaning the interior of the tank car; and S5, after cleaning is completed, an automatic drying machine is used for conducting hot air drying on the interior of the tank, after drying is completed, the device is taken out, and a sea bottom valve fusing bolt, an anti-overflow probe rod and the steam cleaning tank are installed. The method is clear in operation process, safe and efficient in process, stable in quality, advanced in safety control measure and cleaning process, capable of effectively solving the cleaning problem of the dangerous goods tank car, free of loopholes in process connection, high in cleaning quality, environment-friendly and efficient in technological process and free of pollution.

The invention discloses an industrial automatic oven capable of automatically adjusting temperature, which comprising an oven, a temperature controller, a temperature monitor, a processing system, anda switch device. The temperature controller, the temperature monitor, the processing system, and the switch device are arranged inside the oven. The oven, the temperature controller, the temperaturemonitor, the processing system, and the switch device form a closed loop. The temperature controller, the temperature monitor, and the switch are connected in parallel to the processing system. According to the industrial automatic oven capable of automatically adjusting temperature, system loophole conditions will not occur, and manual adjustment of the operator is not needed, thereby greatly improving the working efficiency, and generating better economic benefits.

The invention relates to the technical field of sensors, in particular to an intelligent sensor which comprises a power interface, a single-chip microcomputer, an LED lamp and a photosensitive device.The photosensitive device can receive the light emitted by the lamp, and the light emitted by the LED lamp can cause the change of the resistance distribution state of the photosensitive device; thephotosensitive device comprises an annular photosensitive material strip and at least five connecting pins; the connecting pins are uniformly distributed on the annular photosensitive material strip,the material of the annular photosensitive material strip is uniform, the width of each part of the annular photosensitive material strip is uniform, the lengths of the annular photosensitive materialstrips between any two adjacent pins are equal, the connecting pins are sequentially named as Ai, and i is an integer which is gradually increased from 0; and the connecting pins of the photosensitive devices are respectively and independently connected with the I/O pins of the single-chip microcomputer. The device has the advantages of simple structure, low cost, no loopholes, high safety, highcost performance and good reliability, and a new technical thought is provided.

The invention relates to sailboats, in particular to a soaring sailboat suitable for sailboats for competitions in high sailing speed. The soaring sailboat is provided with a lifting sail with an upward lifting direction, wherein a sailboat body can leave from water surface and fly in the sky, a resistance regulation rudder is left underwater, the sailboat body is of a flexible structure, ultrahigh-strength bulletproof fiber cloth is paved on two sides of a high-elasticity blind hole foam material and is manufactured by an adhering and sewing process, a waterproof seepage-proof material is adhered or coated and brushed on the outer side of the high-elasticity blind hole foam material, the high-elasticity blind hole foam material is further provided with a spring steel wire reinforcing layer, and the sailboat body is of excellent toughness, tear resistance and rebound resilience; the sailboat body is not leaked, is not broken and is of very small loss once strikes a reef; and the lifting sail of the soaring sailboat is of a paraglider-form lifting sail or a rotary lifting sail or a delta-wing-form lifting sail or a folding lifting sail.

The invention discloses a data analysis system for a dental system. The data analysis system comprises a data analysis system, a data receiving device and a data transmission device, and is characterized in that the data analysis system, the data receiving device and the data transmission device form a closed loop; the data receiving device is located at an entrance of the data analysis system; the data transmission device is located at an exit of the data analysis system; one end of the data receiving device is connected to the data analysis system, and the other end of the data receiving device is connected to one end of the data transmission device; and the other end of the data transmission data is connected to the data analysis system. Therefore, system bugs are avoided, and the accuracy of data analysis can be greatly improved, and the working efficiency of equipment is improved.