65results about How to "Eliminate potential risks" patented technology

A car-top tent includes a top cover and a bottom base and is mounted to the top of a car. The tent can be folded on a rear portion of the car roof. The top cover forms an opening, which, when the tent is opened, is put in alignment with a sunroof of the car. When the top cover is opened, the tent is driven to expand so that when the top cover is moved to an angular position to be substantially flush with the bottom base, the tent is completely expanded on the car top. A sleep mat composed of multiple pieces is received in recesses defined in the top cover and the bottom base and is adjustable in angular position thereof. The tent can be accessed directly from inside the car through the sunroof so as to offer enhanced safety and be suitable for entertainment, vocation, and exercise.

The invention relates to a method for safe and stable operation and management of an electric system, in particular to a method for monitoring safety and stability of an electric network based on a stable monitoring rule information model. The method has the following advantages: 1) the unified management of a stable and regular spanning safety area is realized, the consistency and integrality of the stable information in different safety areas of electric network operation are ensured,, and the safety hole existing in the stable running of the electric network is eliminated; 2) an electric network schedule automation system can automatically select a stable control surface and a corresponding stable limitation to carry out monitoring in real time, and the potential risks brought to the operation of the electric network by the factors of incomplete, non-unified and untimely manual maintenance on the section and the limitation in the current electric network schedule automation system are eliminated.

The invention discloses an automatic rotary cutting blanking machine, and relates to a processing machine for cutting pipes. The automatic rotary cutting blanking machine comprises a control circuit, a drive motor, a machine tool, an equipment fixing frame, a hollow main shaft, a clamping device, a rotary cutting device and a positioning device. The clamping device comprises a clamping cylinder, a gradient sliding bush, a jaw, a jaw fixing ring, a tensioning disc, a chuck pull pipe and a chuck. The positioning device comprises an adjusting sleeve, a limiting vertical plate and a positioning bolt. The rotary cutting device comprises a belt pulley, a first bearing, a second bearing, a bushing ring, a circular nut, a cutter body cover, a cutter pressing body, a guide block, a cutter clamping body, a cutter bar, a front baffle plate, a shifting fork handle and a shifting fork bracket. By using the blanking machine, the pipes are not rotationally cut; and by adopting the rotating mode of the cutter, the load of the drive motor is reduced, the clamping requirement of the pipes is reduced, and the structure of the pipe clamping device is simplified.

The invention relates to a wireless application stability testing method and relates to the testing technology. The method comprises the steps of adopting test script to operate, in a circulating mode, a test case developed according to the internal storage motion of application to monitor internal storage, collecting internal storage utilization states, judging whether memory leak exists, and analyzing the object or the code section of the memory leak if the memory leak occurs. The invention further relates to a wireless application stability testing system. The wireless application stability testing method and the wireless application stability testing system can extract commonly-used operation, such as frequent operation of internal storage read-write, of mobile equipment, conduct targeted pressure tests, analyze the utilization conditions of the internal storage, judge which specific operation can cause memory leak and analyze most suspicious code sections through a specific analyzing method, so that potential risks of application is excluded, and more stable operation of the mobile equipment is ensured.

A tubeless light-emitting diode (LED) based lighting device includes at least one base, at least one LED lighting module, and at least one control circuit. The base includes a heat dissipation body. The LED lighting module is mounted to the base so that the base provides the LED lighting module with the functions of retention and heat dissipation. The control circuit is mounted to the base and is electrically connected to power wiring of the LED lighting module for ON / OFF switching of the LED lighting module and supplying of operation power. As such, a tubeless lighting device that emits light in a power saving manner and is constructed in a volume reduced manner is provided.

The invention relates to a power marketing risk pre-warning method. The power marketing risk pre-warning method is characterized in that the power marketing risk pre-warning method comprises the following steps: the step S01: collecting business processing information of power marketing; the step S02: configuring risk indicators of the power marketing; the step S03: calculating out corresponding risk assessment values of the collected business processing information according to the risk indicators corresponding to risk models and with corresponding artificial neural networks being combined; and the step S04: grading the risk pre-warning based on the risk assessment values. For the disadvantages and deficiencies existed in a conventional power marketing checking and monitoring system as well as universality of the related field of the power marketing checking and monitoring system and complexity of the required technology, the power marketing risk pre-warning method and system are provided, so that professional and high-efficiency risk management of beforehand prevention and process tracking is realized.

An Ethernet switching and forwarding method, and at least one Ethernet forwarding mode of standard Ethernet forwarding, multiplex Ethernet forwarding, layer-3 routing and forwarding, across-VLAN multicast forwarding plane, point-to-point VLAN forwarding, or point-to-point double VLAN forwarding. The method includes: an Ethernet message entering a user side port or a network side port; processing, by the port, the message to provide the message with a VLAN tag allocated uniformly by the port; determining, by the port, a forwarding mode for the message and sending the message to a corresponding forwarding plane; determining, by the forwarding plane, an egress port of the message and processing the specific Ethernet control message in accordance with a control message capturing policy table; and forwarding the message to the egress port and encapsulating the message in accordance with an attribute table of the egress port.

Disclosed is a double-side-conducting flexible-circuit flat cable with cluster section, which includes a flexible circuit substrate, a first electrical conduction path, a second electrical conduction path, a plurality of first and second conductive contact zones. The flexible circuit substrate has a first surface and a second surface and includes, in an extension direction, a first connection section, a cluster section, and at least one second connection section. The cluster section is composed of a plurality of clustered flat cable components formed by slitting in the extension direction. The first and second electrical conduction paths are respectively formed on the first and second surfaces of the flexible circuit substrate and each extends along one of the clustered flat cable components of the cluster section. The plurality of first and second conductive contact zones are respectively arranged on the first and second surfaces of the flexible circuit substrate at the first connection section. Each of the first and second conductive contact zones extends along one of the electrical conduction paths of the cluster section toward the second connection section.

The invention belongs to the technical field of reactor engineering design and operation and in particular relates to a first physical start-up method for a pressurized water reactor without an external neutron source. The invention aims to provide a physical start-up method without an external neutron source aiming at the defects in the prior art, so that the reactor can safely and effectively reach a critical state. The first physical start-up method for the pressurized water reactor without the external neutron source comprises the following steps: 1, designing a high-leakage core loading pattern; 2, determining an appropriate positive reactivity introduction rate; 3, selecting a neutron flux measurement device of high precision and sensitivity; 4, strictly limiting clean water isolation measures; 5, continuous boric acid concentration monitoring; and 6, strictly setting and controlling the constant value of a protection system.

A hose includes at least an inner-layer tubular member, an intermediate layer, and an outer-layer tubular member. Both the inner-layer tubular member and the outer-layer tubular member are made of plastics. The intermediate layer is formed by wrapping a net. An outer surface of the intermediate layer is provided with a helical structure made of plastics and the outer-layer tubular member encloses the helical structure. The helical structure has a mechanical strength greater than the outer-layer tubular member. Since both the helical structure and the outer-layer tubular member are similarly made of plastics, the bonding strength therebetween can be enhanced. When the hose is subjected to bending, the helical structure helps to prevent the hose from being compressed and deformed, thereby maintaining the inside diameter of the hose to ensure smooth flow of liquid or gas through the hose.

The invention relates to the field of power electronic equipment, and provides an uninterruptible power supply system fault prediction method, device and equipment and a computer readable storage medium so as to eliminate potential risks of an uninterruptible power supply system. The method comprises the following steps: processing data parameters acquired by each sensor of the uninterruptible power supply system in real time to obtain data parameters of the uninterruptible power supply system at the current moment; when the value of the data parameter at the current moment exceeds a preset threshold value, determining a corresponding early warning state according to the difference of the data parameter at the current moment; determining the current health level of the uninterruptible power supply system according to a preset evaluation index, the current time data parameter and the corresponding early warning state; taking the data parameter at the current moment, the early warning state and the current health level as the input of a fault prediction algorithm model, and predicting the fault probability of the uninterruptible power supply system; and determining an overhaul and maintenance strategy to be adopted for the uninterruptible power supply system according to the probability of failure of the uninterruptible power supply system and the current health level.

The invention relates to a mineral skincare oil absorbing sheet and a preparation method thereof. The mineral skincare oil absorbing sheet comprises a paper carrier, and filler which is dispersed in the paper carrier, wherein the paper carrier is made of bamboo pulp, the filler comprises attapulgite and diatomite in a weight ratio of (1 to 1) to (1 to 5), and the amount of the filler is 2 to 6 percent of the weight of the bamboo pulp. By adopting the mineral skincare oil absorbing sheet, people with oily skin can avoid the embarrassment of glossy face in the business negotiation and traveling process and can keep a clean and dry face, the potential injury of PM2.5, contaminants, heavy metals and the like attached to the face can be eliminated at any time in any place, the bacteria and microorganisms can be effectively absorbed, the potential risk of whelk and acne caused by propionibacterium acnes can be eliminated, fresh face and oil control can be realized, and people can enjoy the skin care of the mineral trace elements.

The present invention provides a heating device for evaporation of an OLED material, which includes a crucible (1) for receiving and containing therein an OLED material (10), a lower heating coil (2) surrounding outside an outer circumference of the body section (11) of the crucible (1), an upper heating coil (3) surrounding outside an outer circumference of the top cover section (13) of the crucible (1), a lower thermally conductive temperature homogenizing sleeve (4) arranged between the body section (11) and the lower heating coil (2), an upper thermally conductive temperature homogenizing sleeve (5) arranged between the top cover section (13) and the upper heating coil (3), and a thermal insulation ring (6) arranged between the upper and lower thermally conductive temperature homogenizing sleeves (5, 4). The upper and lower heating coils (3, 2) are each connected to a power supply for individually controlling a heating temperature of each of the top cover section (13) and the body section (11). The heating device prevents gaseous molecules of the OLED material (10) from getting condensed and solidified at a gas release hole (131) of the crucible (1) so as to prevent jamming and blocking of the gas release hole (131).

The invention discloses a control method of an antibiotic resistance gene of livestock residue, which includes steps of mixing livestock residue containing the antibiotic resistance gene with biomasswaste to reduce moisture content to be less than 40%; continuously delivering livestock residue to an external heating type pyrolyzing furnace through a spiral conveying method, and performing pyrolyzing treatment in the atmosphere of oxygen-free or oxygen deficiency; completely decomposing antibiotic resistance gene microorganisms in excrement to obtain a solid matter; cooling the solid matter without oxidization in the atomosphere of oxygen deficiency to obtain charcoal. In virtue of high temperature process of the pyrolytic process, the antibiotic resistance gene microorganisms in the livestock residue can be decomposed on a molecular level, thus the potential risk of the antibiotic resistance gene is completely and safely eliminated; meanwhile, massive combustible gaseous matters generated during the pyrolyzing process can be circularly burned to be pyrolyzing energy source; the antibiotic resistance gene has the advantages of clean combustion and energy-saving emission reduction,the acquired charcoal has good physicochemical property and wide application.

The invention provides a steel ball number detecting machine, belonging to the field of detection equipment. The detecting machine comprises a worktable, a base, a laser sensor, an electrical control mechanism, a rotating mechanism, a feed mechanism and a sensing controller, wherein the feed mechanism is used for clamping or loosening the products with steel balls; the rotating mechanism is used for driving the laser sensor to rotate in 360 degrees; the laser sensor is used for detecting the positions of the steel balls; the sensing controller is used for setting the parameters indicating whether the steel balls are detected or not; and the electrical control mechanism is used for controlling the laser sensor, the rotating mechanism, the feed mechanism and the sensing controller to act. The detecting machine has the following beneficial effects: being used for detection, the detecting machine realizes large-scale and continuous automatic detection, has the advantages of convenient detection and high detection reliability, solves the problems which are ubiquitous in the prior art and are caused by visual fatigue or absent mind of the detectors, effectively avoids the possibility that the unqualified products flow to the next procedure and eliminates the potential risks of the automobiles therefrom.

The invention relates to the field of semiconductors, and especially relates to a method for preventing a thin film at an edge of a silicon chip from being peeled off. A high-stress layer is deposited on a composite thin film layer of a silicon substrate, thereby solving a problem that the thin film at the edge of the silicon chip is peeled off, and eliminating the potential risk caused by the defects of a semiconductor device. The method is compatible with the subsequent technology, and does not generate any adverse effect.

The invention discloses a method and a device for detecting network faults and relates to the technical field of network communications. The method includes the step 1, testing each device and each service provider line in a to-be-detected network every preset time according to a ping order, the step 2, determining whether the device and the service provider line of the to-be-detected network is in fault or not according to network connection status, and the step 3, sending an alarm of the fault by three means of text message sending, music playing and phone calling if the fault exists. In the step 2, the whole process of fault detection is achieved automatically without manual interference so that efficiency is improved; in the step 3, the alarm can be received definitely by the three means so that large-range fault is avoided and potential risks are eliminated.

The invention provides an intelligent test system and method of a hydraulic disk brake of a petroleum drilling machine. The intelligent test system of a hydraulic disk brake of a petroleum drilling machine includes a visual man-machine interaction device, a programmable controller, a frequency converter, a motor, a winch roller, a hydraulic disk brake and a winch roller encoder, wherein the visualman-machine interaction device is connected with the programmable controller and the frequency converter through the bus; the programmable controller, the hydraulic disk brake and the winch roller encoder are connected through a signal cable to transmit state signals; the frequency converter is connected with the motor through a power cable. When the simple and reliable intelligent test method ofthe hydraulic disk brake of the petroleum drilling machine is used, during the operating process, the intelligent test method can be canceled to be interrupted by an operator at any time, and after interruption, the disk brake and the winch enter the normal operating mode. The intelligent test method of the hydraulic disk brake of the petroleum drilling machine enables the operator to realize testing of the hydraulic disk brake through one key, and the disk brake test report is simple and clear and is accurate in data, so that the potential risk of a traditional method can be eliminated. Besides, the intelligent test method of the hydraulic disk brake of the petroleum drilling machine is simple in operation, and the test result is not influenced by a human factor.

The invention discloses a control system for improving the bypass safety and reliability of an MMC power module. The control system comprises a power module unit control board, a power device drivingboard and a bypass switch driving board, a trigger switch, an energy storage capacitor and a bypass switch-on driving coil are arranged on the bypass switch driving board, the trigger switch, the energy storage capacitor and the bypass switch-on driving coil are connected in sequence to form a bypass switch driving circuit, the bypass switch driving circuit further comprises a high-speed photoelectric device, the high-speed photoelectric device is in communication connection with the power device driving board, and when the bypass switch driving circuit is turned on, the high-speed photoelectric device is started to send a locking IGBT signal to the power device driving board. The control system disclosed by the invention can eliminate the potential risk of turning on the bypass switch ina turn-on state of the IGBT of the power module, thereby avoiding large economic loss problems such as serious damage to the power device and other equipment, and ensuring a safe and reliable bypass of a fault module.

The invention discloses an Internet access control system for network engineering. The Internet access control system comprises a client, a strategy executor, a security server, an isolation network and a repair server, the client includes client software installed on system terminal equipment, the strategy executor is a network access device in a network, the security server is a core server of the network security access control system, the isolation network is a relatively independent security-enhanced network, and the repair server is a vulnerability repair server of the system. Accordingto the invention, the access network terminal equipment is authenticated, checked, isolated, repaired, managed and monitored, so that passive single-point defense of the whole network is changed intoactive comprehensive defense, potential risks and hidden dangers can be discovered, prevented and eliminated before occurrence of malicious behaviors r, and the security of the network is effectivelyimproved.

The invention belongs to the technical field of membrane wall coating remelting, and discloses a method for remelting in an atmosphere furnace with an anti-corrosion coating on the heating surface ofthe boiler membrane wall. The method includes the steps that an automatic sandblasting machine is used for conducting sandblasting roughening treatment on the surfaces of pipe rows, and flame-sprayednickel-based self-fluxing alloy powder is adopted to prepare a coating; a remelting system is formulated for coating materials and the coating thickness, and heating, heat preservation and cooling curves are designed; high-temperature alloy steel is used for being made into a row frame vehicle with an idler wheel, the pipe rows are hung and placed on the row frame vehicle by a truss, finally the row frame vehicle is pushed into the furnace along a track, and a furnace door is closed; the atmosphere furnace is started, and inert protective gas is introduced and heated; the remelting temperatureis controlled; after remelting of the pipe rows, the row frame vehicle is pulled out of the furnace; and the remelting effect of the coating on the surfaces of the pipe rows is tested. According to the method, the temperature in the furnace is uniform and accurately adjustable, the main disadvantages of high-frequency induction remelting are completely overcome, the coating preparation quality can be significantly improved, the high-temperature anti-corrosion performance of the boiler water wall is effectively improved, and the service life of the boiler water wall is prolonged.

A dismounting device is provided for efficiently and effectively dismounting an environment-friendly oil filter from an engine. The device includes an oil storage container that forms an oil discharge mouth and includes an oil guide tube extending into an internal oil storage space thereof. The oil guide tube has an exposed upper end carrying a pusher in which a central bore is defined and communicating the internal oil storage space of the container. The pusher has an upper portion forming a threaded section that is engageable with an internal thread of an oil discharge opening of the oil filter and a push tube extendable into the oil filter to open an internal valve of the oil filter so that oil remaining in the filter is allowed to flow into the central bore of the pusher and is conducted by the oil guide tube into the oil storage space of the container.

The invention provides a boiler membrane wall coating high-frequency remelting gas protection inhibition tube bundle oxidation process. The process is characterized in that in the high-frequency remelting process of a boiler membrane wall, along with the forward movement of a tube bundle relative to a high-frequency heating coil, nitrogen is adopted to isolate the interior of the tube bundle and the back side of the tube bundle from oxygen so as to inhibit scale generation. According to the process, the nitrogen is continuously blown into the tube bundle and to the back side of the tube bundleat a small flow rate, so that no scale is generated inside the tube bundle or on the back side of the tube bundle at a remelting high temperature, the potential risk of tube explosion caused by scalefalling is eliminated, and the fatigue life of the tube bundle base material is prolonged.

The invention belongs to the technical field of membrane wall coating remelting, and discloses a vacuum furnace remelting method of a boiler membrane wall anti-corrosion coating. The method comprisesthe steps that the surfaces of tube bundles are subjected to sand blasting roughening treatment by using an automatic sand blasting machine, and the coating is prepared by adopting flame spraying nickel-based self-fusion gold powder; a remelting system is formulated for a coating material and the thickness, heating, heat preservation and cooling curves of a vacuum furnace are designed, and the heating temperature is strictly controlled; a high-temperature alloy steel is made into a tube bundle conveying vehicle with rollers, the tube bundles are vertically placed on a support of the tube bundle conveying vehicle in a side direction by a truss crane one by one, finally, a rack vehicle is pushed into the furnace along a rail, and a furnace door is closed; a vacuum pump of the vacuum furnaceis started for vacuumizing; the remelting temperature is controlled; after the remelting of the tube bundles is completed, the tube bundle conveying vehicle is pulled out of the furnace; and the remelting effect of the coating on the surfaces of the tube bundles is tested. With the method, the inner temperature of the furnace is uniform and accurately adjustable, the defect of high-frequency induction remelting is eliminated, the preparation quality of the coating can be remarkably improved, and the high-temperature anti-corrosion performance and the service life of the water-cooled wall of aboiler are effectively improved.

The invention relates to the technical field of extraction of phytosterols, in particular to a process for extracting phytosterols through esterification of free fatty acid with an enzymatic method. Compared with existing processes for treating deodorizing distillates, the process for treating the deodorizing distillates with chemical catalyst methods has the advantages of mild reaction conditions, few by-products and the like. Besides, compared with currently emerging processes for treating the deodorizing distillates through ester exchange with enzymatic methods, the process has the advantages that no dangerous organic solvents are adopted and no harmful side products are produced. The production safety risk of raw materials in the extraction process of the phytosterols is solved, besides, a more environment-friendly and safer process way is provided for wider application of the phytosterols to the food field.

The invention discloses a hydraulic solid wedge deflection tool, comprising a tubular feeder; the lower end of the feeder is orderly connected with a wedge deflection tool tapered iron and a seat seal anchoring device; a fluid guide pipe for interconnecting an inner hole of the feeder with an inner cavity of the seat seal anchoring device is arranged in the wedge deflection tool tapered iron; the lower end of the fluid guide pipe is interconnected with a jet flow pipe in the seat seal anchoring device; the lower end of the inner hole of the jet flow pipe is provided with a seat seal ball, and the lower end in the jet flow pipe is provided with a limiting structure or a limiting rubber belt, thus the seat seal ball is buckled at an upper buckle edge in drilling; the lower end of the inner hole of the lower cone of the seat seal anchoring device is provided with a lower annular buckle edge; when the seat seal ball is sealed, the seat seal ball can break through the limiting structure or the limiting rubber belt and fallen down under the pushing effect of high pressure drilling fluid and then blocked the lower buckling edge, so as to realize the seat seal. The wedge deflection tool can avoid false seat seal in the midway for the drilling fluid generates exciting pressure in the drilling process, and also avoid the false seat seal in midway by the suction of too quick drilling; the hydraulic solid wedge deflection tool is reliable in work, and can improve the working efficiency and reduce the working cost.