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45results about How to "Bring security risks" patented technology

Multi-rotor unmanned aerial vehicle inspection path planning method

The invention relates to a multi-rotor unmanned aerial vehicle inspection path planning method, which comprises the following steps of: firstly, in order to ensure inspection safety and low energy consumption, establishing a battery energy consumption and backlight avoidance cost minimum target function; analyzing influence factors influencing the energy consumption of the inspection battery of the multi-rotor unmanned aerial vehicle, and determining hovering energy consumption and cruising energy consumption; determining the relationship between the sun illumination and the inspection track of the multi-rotor unmanned aerial vehicle; modeling the scanned three-dimensional point cloud model of the to-be-inspected object, and inputting all viewpoint coordinates in the cruising process; andoutputting an optimal cruise path by applying an improved ant colony algorithm, outputting an optimal flight path between two adjacent viewpoints by applying an improved A* hybrid algorithm, and finally outputting an optimal flight path. According to the method, the influence of energy consumption and sun illumination on route planning in the cruising process of the unmanned aerial vehicle can bedetermined, a safe, low-energy-consumption and backlight-avoiding optimal path is provided for unmanned aerial vehicle routing inspection, and the safety and reliability of automatic routing inspection of the multi-rotor unmanned aerial vehicle are improved.
Owner:JIANGSU FRONTIER ELECTRIC TECH

Preparing method of silicon/alkali metal hydrogen production material

The invention relates to a preparing method of a silicon / alkali metal hydrogen production material. In a silicon hydrogen production material, silicon and alkali metal or silicon / alkali metal alloy are adopted as a precursor, the precursor and metal haloid salt are mechanically mixed, briquetting and hot treatment are conducted, and then rapid cooling is conducted to obtain the silicon / alkali metal hydrogen production material. The mass of alkali metal is 0-30 wt% that of silicon, and the mass of haloid salt is 0.01-20 wt% that of silicon; alkali metal is one or two of lithium, sodium, and potassium, silicon / alkali metal alloy is one of lithium silicon alloy, sodium silicon alloy and potassium silicon alloy, the metal haloid salt anion is one of chlorine, bromine and iodised salt, and the metal haloid salt cation is one of aluminum, zinc, bismuth, stannum, copper and plumbum. The silicon / alkali metal hydrogen production material has great hydrolysis performance, and has a great application prospect in the field of portable hydrogen production.
Owner:CHINA JILIANG UNIV

Storage and fresh-keeping comprehensive treatment method for Huangguan pears

The invention discloses a storage and fresh-keeping comprehensive treatment method for Huangguan pears. The method comprises the following steps: picking, cleaning, soaking with fresh-keeping liquid, packaging and performing refrigeration, wherein the fresh-keeping liquid consists of 0.1 to 0.3 part of nisin, 10 to 20 parts of ethanol with the concentration of 70 percent, 1 to 2 parts of sorbitol, 0.2 to 0.5 part of croscarmellose sodium, 0.2 to 0.5 part of citric acid, 0.1 to 0.2 part of wheat germ powder, 30 to 60 parts of plant bactericide, 0.02 to 0.05 part of diethylaminoethyl hexanoate and 100 to 150 parts of water. According to the storage and fresh-keeping comprehensive treatment method for the Huangguan pears, provided by the invention, growth of bacteria can be inhibited remarkably, the rotting rate of the Huangguan pears is reduced and the postharvest life of the Huangguan pears is effectively prolonged; and the fresh-keeping liquid is prepared by taking pure natural traditional Chinese herbal medicine as bactericide, so a good bactericidal effect can be achieved, safety and no toxicity are realized, and potential safety hazard to human bodies is avoided.
Owner:SHIJIAZHUANG POMOLOGY INST OF HEBEI ACADEMY OF AGRI & FORESTRY SCI

Cam lifting device for examination bed

The invention relates to a cam lifting device for an examination bed. The cam lifting device comprises a universal wheel, wherein the wheel rod of the universal wheel is movably arranged inside a shell; a gland is fixed on the top part of the wheel rod; a spring is sleeved on the wheel rod; the upper end of the spring is contacted with the gland; the lower end of the spring is contacted with the shell; a shaft is movably arranged in the shell; the shaft is fixed with a cam; the cam surface of the cam is adhered to the gland; and one end of the shaft extends out of the shell and is connected with a pedal lever. The cam lifting device is applicable to the examination bed, makes the examination bed realize the moving and fixing functions, and prevents the examination bed from moving due to abrasion when the examination bed needs fixing.
Owner:江苏永发医用设备科技股份有限公司

Drilling equipment for PCB production

The invention relates to drilling equipment for PCB (printed circuit board) production. The drilling equipment comprises a base and a support connected with the base, and is characterized in that a drilling unit is installed on the support, and a rotary feeding unit for conveying a PCB to the lower part of the drilling unit is installed on the base; the drilling unit comprises a lifting base, thelifting base is driven by an air cylinder to move up and down, a sliding block is slidably connected with the lifting base, a first motor is installed on the sliding block, the periphery of an outputshaft of the first motor is sleeved with a sleeve, and the sleeve is rotatably connected with the output shaft of the first motor and fixedly connected with the lifting base through a pull rod; an output shaft of the first motor is in driving connection with a drill rod, the periphery of the drill rod is sleeved with a pressing cover, and the pressing cover is connected with the sleeve through a spring; a drill bit is installed on the lower portion of the drill rod and located in the pressing cover in a natural state; the pressing cover is provided with an air opening, and the air opening is in communication with an exhaust fan through an exhaust pipe. The drilling equipment has the advantages that safety is high, the machining period is short, the yield is high, and drilling cuttings cannot be splashed everywhere in the machining process.
Owner:天津玖源自动化设备有限公司

An integral adjustment bar coating die head

The invention discloses an integral regulating bar coating die head, which relates to the technical field of pole piece coating; comprising a lower die, an upper die, an adjusting gasket located between the lower die and the upper die, a liquid storage tank, and a squeeze block , a chute, an adjustment bar, and an adjustment device; the liquid squeeze block is fixed on the lower side of the adjustment gasket, and the adjustment gasket separates the upper mold and the lower mold to form a slurry channel, and the liquid storage tank and The squeeze block forms a squeeze channel with a U-shaped cross section, one end of the squeeze channel is blocked by an adjusting gasket, the other end of the squeeze channel communicates with the slurry outlet channel, and the lower end of the chute communicates with the slurry outlet channel ; The material of the adjustment bar is rubber. The adjusting bar and the adjusting rod of the present invention are firmly connected, and the adjusting bar is made of rubber material, which does not contain metal material. During the coating process, under the pressure of the cavity and the state of flow, the coating slurry washes the bottom of the adjusting bar, and the adjusting bar is covered. Abrasion produces non-metallic materials, which will not pose a safety hazard to lithium batteries.
Owner:CONTEMPORARY INTELLIGENT MFG (NING DE) CO LTD

Quick charging system and charging method thereof

The invention discloses a quick charging system and a charging method thereof. The quick charging system comprises a charging pile system, a vehicle-mounted power battery system and an external thermal management system; a charging interface is formed in the charging pile system; the charging pile system is connected with a general power supply network to store alternating current input by the general power supply network, convert the stored alternating current into direct current with comparatively higher output power and output the direct current from the charging interface; the vehicle-mounted power battery system comprises a plurality of power batteries; thermal conducting pipelines for a cooling medium to flow are arranged between the power batteries; thermal conducting interfaces areformed in the thermal conducting pipelines; the external thermal management system is connected with the vehicle-mounted power battery system through the thermal conducting interfaces; the cooling medium is stored in the external thermal management system; and during charging, the external thermal management system inputs the cooling medium into the thermal conducting pipelines via the thermal conducting interfaces to cool the power batteries. The quick charging system and the charging method thereof have the advantages of low cost, easy realization and stable charging quality.
Owner:ZHEJIANG NARADA POWER SOURCE CO LTD +1

Intelligent robot realizing seamless connection among systems

The invention discloses an intelligent robot realizing seamless connection among systems. The intelligent robot comprises a behavior coordinative control unit. The behavior coordinative control unit is electrically connected with an instruction operation and feedback module, an image video identification module, a business flow fusion module, a keyboard mouse signal simulation module and a communication module used for communicating with a business system front end. The business flow fusion module is further electrically connected with a controller used for configuring the work flow of the robot.
Owner:佛山市顺德区天行健信息科技有限公司

Method and device for enhancing discharge capacity of oil inlet channel of oil cylinder

The invention belongs to the technical field of improvement of hydraulic machines, and particularly provides a method and device for enhancing the discharge capacity of an oil inlet channel of an oil cylinder. A multichannel flow increasing communicating vessel is connected between a prefill valve and a main cylinder. An axial through hole is formed in the center of the multichannel flow increasing communicating vessel, and an oil transportation through hole is formed in the side wall of the multichannel flow increasing communicating vessel. The axial through hole is communicated with the oil transportation through hole. The two ends of the axial through hole are communicated with an inner hole of the prefill valve and an inner hole of the cylinder bottom of the main cylinder. The oil transportation through hole is communicated with an external pressure oil pipe. In the improvement process of a hydraulic machine, parts of the main cylinder and the prefill valve are not changed at all, no damage is caused to the main cylinder, and the strength of the main cylinder can not be reduced; the large oil cylinder of the hydraulic machine to be improved does not need to be demounted, suspended, transported, machined again, mounted again and the like, improvement risks are reduced, improvement cost is saved, the improvement period is shortened, and no potential safety hazards are brought to the oil cylinder after the hydraulic machine is improved.
Owner:XIAN METALWK HYDRAUMATIC MACHINERY

A method and device for enlarging the flow capacity of an oil inlet channel of an oil cylinder

The invention belongs to the technical field of improvement of hydraulic machines, and particularly provides a method and device for enhancing the discharge capacity of an oil inlet channel of an oil cylinder. A multichannel flow increasing communicating vessel is connected between a prefill valve and a main cylinder. An axial through hole is formed in the center of the multichannel flow increasing communicating vessel, and an oil transportation through hole is formed in the side wall of the multichannel flow increasing communicating vessel. The axial through hole is communicated with the oil transportation through hole. The two ends of the axial through hole are communicated with an inner hole of the prefill valve and an inner hole of the cylinder bottom of the main cylinder. The oil transportation through hole is communicated with an external pressure oil pipe. In the improvement process of a hydraulic machine, parts of the main cylinder and the prefill valve are not changed at all, no damage is caused to the main cylinder, and the strength of the main cylinder can not be reduced; the large oil cylinder of the hydraulic machine to be improved does not need to be demounted, suspended, transported, machined again, mounted again and the like, improvement risks are reduced, improvement cost is saved, the improvement period is shortened, and no potential safety hazards are brought to the oil cylinder after the hydraulic machine is improved.
Owner:XIAN METALWK HYDRAUMATIC MACHINERY

Method and device for controlling intelligent door lock, computer readable medium and equipment

The invention provides a method and device for controlling an intelligent door lock, a computer readable medium and equipment. One specific implementation mode of the method comprises the steps that a server receives a function code acquisition request which is sent by a client and carries an identification code and operation information of to-be-executed operation; the server generates a function code according to the function code acquisition request and the current time, wherein the function code comprises first verification information and an operation code determined according to the operation information, and the first verification information is determined according to the current time, the operation code and the identification code; and the server sends the function code to the client, so that the intelligent door lock can obtain the function code sent to the client and verify the first verification information, and after verification is passed, operation corresponding to the operation code is executed. According to the invention, the first verification information can only pass verification within the corresponding effective time, and after the corresponding effective time, even if the first verification information is leaked, potential safety hazards cannot be brought to a user of the intelligent door lock.
Owner:YUNDING NETWORK TECH BEIJING
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