223results about How to "Perfect protection function" patented technology

The invention discloses an on-line monitoring allowable high voltage reactive power compensation system and method. The system comprises a background server, at least one electric power comprehensive measuring and controlling instrument and a wireless communication unit, the background server is connected with the electric power comprehensive measuring and controlling instrument through the wireless communication unit, and the background server acquires measured data transmitted by the electric power comprehensive measuring and controlling instrument. According to the system and the method, a wireless communication technology is applied to a 10 / 6KV power distribution network reactive power compensation device, devices distributed across the country can be real-timely monitored, and data of the devices can be acquired; and the reactive power flow analysis is applied to the 10 / 6KV power distribution network reactive power compensation device, the problems of frequently switching capacitors and upwards and inversely feeding reactive power in terms of existing compensation devices are radically solved, the reactive current can be compensated on site in the system, and the optimization of the reactive power flow is guaranteed.

The invention discloses a gas-blowing and slag- gathering spray gun for assisting slag-off of molten iron and a using method of the spray gun. The gas-blowing and slag-gathering spray gun comprises a gun barrel, wherein the gun barrel is provided with an opening end and a closed end; spray ports are symmetrically formed on the barrel wall, close to the closed end, of the gun barrel based on the middle axis of the gun barrel; the middle axes of the spray ports are vertical to the middle axis of the gun barrel; and the ratio of the inner diameters of the spray ports to the inner diameter of the gun barrel is (0.35-0.70):1. The gas-blowing and slag-accreting spray gun has the characteristics of being simple in structure, long in service life, stable in gas-blowing and slag-accreting operation and the like. The gas-blowing and slag-gathering spray gun disclosed by the invention is combined with the using method of the spray gun, so that the molten iron slag gathering degree can be improved, the bare area of the molten iron is increased, the erosive wear to the molten iron tank wall is small, the slag-off iron loss is low and the slag-off time is short.

Provided are: a skin-protecting agent and an external preparation for skin protection, which not only synergistically work in combination with a plant polysaccharide but also has an effect of promoting the production of glycerol derived from Staphylococcus epidermidis, which is a skin resident bacterium useful on the skin, and the production of antimicrobial peptides derived from skin epidermal keratinocytes and exhibits excellent effect of improving the touch feeling when applied to the skin. More specifically, the present invention provides a skin protective agent and an external preparationfor skin protection, which comprise a lactic acid bacterium belonging to the genus enterococcus.

The invention relates to a composite antioxidant for improving reproductive capacity of a male animal, which belongs to the technical field of animal feed and comprises the following components by weight percent: 6.5-8.5% of food grade vitamin E, 11.0-15.5% of food grade vitamin C, 20.0-40.0% of food grade tea polyphenols, 4.0-6.0% of food grade thioctic acid and the balance of food grade corncobpowder which is taken as a carrier. The composite antioxidant can significantly reduce the content of nitrogen oxide free radicals and malonaldehyde in serum, improve the activity of SOD enzyme, significantly increase the number of sperms and the number of a grade sperms (the sperms with strong activity) in a male rat and improve the reproductive capacity of the male animal.

The invention relates to a real-time control intelligent alternating-current contactor with full-closed loops. The whole-process real-time dynamic online control of the intelligent alternating-current contactor is realized through efficiently adjusting the three closed loops at a high frequency, i.e. a starting current closed loop, a holding current closed loop and a contact system feedback loop. A system plans to introduce a switch power supply technology, a high-frequency control technology, a closed-ring control technology, a self-adaptive control technology, a wavelet analysis method and the like into the intelligent control of the alternating-current contactor, and particularly, a signal of a contactor system is introduced into the control closed loops of the intelligent alternating-current contactor so as to realize the intelligent control of the full-closed loops in the running process of the alternating-current contactor.

The invention relates to a domestic gas and water valve safety monitoring and automatic closing device, and belongs to the field of safety devices. A locking rotation disk with a locking notch and a locating protruding piece is arranged on a ball valve of the device, a spring energy storage assembly fixedly connected with an opening / closing handle of the ball valve is arranged, and an electromagnetic assembly with a telescopic core and a position detecting assembly are arranged near the locking rotation disk. During temperature, smoke and gas concentration detection or when a water valve water leakage sensor outputs a signal or when a closing button switch of the ball valve is pressed down, the telescopic core of the electromagnetic assembly contracts from the locking notch of the locking rotation disk, the opening / closing handle of the ball valve together with the locking rotation disk rotates rapidly to the valve closing position under the driving of the spring energy storage assembly, and a total gas inlet pipe or a water pipe is closed automatically; meanwhile, the position detecting assembly outputs a valve closing signal to a concentrated monitoring control box, and therefore the safety monitoring and the automatic closing functions of domestic gas and water valves are realized.

The invention relates to a multifunctional hydraulic power station, which mainly consists of two pump groups, an electric cabinet, a hand-operated direction valve, a check valve, an overflow valve, an energy accumulator, a manual pressure-reduction pressure-regulation overflow valve, a normally-closed solenoid valve, a normally-opened solenoid valve, a stop valve, a high-pressure oil output end and an automatic control device. On the basis that the hydraulic power station has an original function, the defects and the deficiencies of an original hydraulic power station are overcome, and functions, such as free regulation of oil pressure, optimal torque control, energy saving and accumulation, multifunctional changeover, no-load time delay startup and automatic control, which are provided for a load, are increased. The multifunctional hydraulic power station is simple in operating, saves electric energy by more than 50%, can provide hydraulic power for various petroleum drilling tools, is also suitable for other industries to provide hydraulic power for hydraulic tools by taking high-pressure hydraulic oil as mediums, and can achieve the effects of energy saving, energy accumulation and controllable torque.

The invention provides a portable transparent data safety protection terminal oriented to mobile applications. The terminal is mainly divided into a data encryption and decryption module part and a mobile equipment client end part. According to the data encryption and decryption module part, a TPM (trusted platform module) and a chip which supports international standard encryption algorithms are used for achieving high-speed hardware data encryption and decryption computation, and a file encryption and decryption service is provided for the outside through Bluetooth or a wireless network. Meanwhile, the data encryption and decryption module part is based on a trusted computing architecture, and the trusted authentication of a user, the terminal and mobile equipment is achieved. According to the mobile equipment client end part, the data encryption and decryption service provided by an encryption and decryption module is called based on the Bluetooth or the wireless network, meanwhile, a local remote file system service is achieved, a data file storage service is provided for the mobile applications, the stored data are encrypted in the way of calling the encryption and decryption service by the mobile equipment client end part, the taken-out data are decrypted by the mobile equipment client end part, and therefore transparent encryption and decryption oriented to the mobile applications is achieved.

The invention provides an infant chapping-prevention and skin-care composition. The infant chapping-prevention and skin-care composition is prepared from the following components: an anti-freezing andmoisturizing composite component, an active polysaccharide pre-mixed solution, a compound plant extract matrix solution, a ceramide nano-lipid pre-dispersant, an oil-phase base solution and a water-phase base solution. The composition has the effect of enhancing a skin barrier function and good air pollution isolation performance and can be used for assisting to repair chapped skin; the composition has mild properties and no irritation and is especially suitable for the skin of infants.

The invention relates to the field of emergency protective circuit devices which react to overcurrents, in particular to a self-checking device of a motor open loss and an application method thereof. The self-checking device of the motor open loss includes current sensors (1) and is characterized by further including a motor controller (2) and an angle sensor (3), and the current sensors (1) and the angle sensor (3) are both connected with a microprocessor (21) through signal lines. The application method of the self-checking device of the motor open loss is characterized in that when a motor (4) stops working, the steps of a) inputting parameters, b) processing the parameters, c) modulating voltages and d) judging an open loss are performed sequentially. The self-checking device of the motor open loss is simple in structure, convenient to install, quick in response, safe, reliable, and wide in range of application.

The invention relates to the field of emergency protective circuit devices which react to overcurrents, in particular to a self-checking device of a motor short circuit and an application method thereof. The self-checking device of the motor short circuit includes current sensors (1) and is characterized by further including a motor controller (2), and a microprocessor (21) outputs a three phase pulse signal to a PWM (Pulse Width Modulation) rectifier (22) through a three phase signal line. The application method of the self-checking device of the motor short circuit is characterized in that when a motor (3) stops working, the following steps are performed sequentially: the microprocessor (21) outputs a three phase pulse detection signal to the PWM rectifier (22) through the three phase signal line; and the microprocessor (21) calculates L according to the formula delta I=U0 / L*delta t, if L<L0-d, the microprocessor (21) judges that the motor is in the state of short circuit and finishes judging. The self-checking device of the motor short circuit is simple in structure, convenient to install, quick in response, safe, reliable and wide in range of application.

The invention relates to a camouflage paint. The camouflage paint comprises the following raw materials in parts by weight: 30-45 parts of amine cured epoxy resin, 15-30 parts of aliphatic polyurethane, 1-3 parts of an anti-aging agent, 3-6 parts of an inorganic nano-material, 1-15 parts of a camouflage pigment composition, 2-5 parts of talcum powder, 1-5 parts of a delustering agent, 0.5-2.5 parts of a film forming auxiliary agent, and 40-60 parts of a solvent. The provided camouflage paint has the advantages of simple preparation method, good stability, and excellent film forming ability when used for coating, a camouflage purpose can be realized by a camouflage pigment mixture, addition of the anti-aging agent provides good aging-resistance performance to the paint, service life of the paint can be prolonged, and protection function for a target object can be effectively enhanced.

The invention discloses a pharmaceutical composition for treating insomnia and process for preparation, wherein the composition is prepared from amber 1-4 weight parts, wild or spiny jujuba seed 6-10 weight parts, tuber of multiflower knotweed 6-10 weight parts, albizia bark 6-10 weight parts, ruby mica 2-6 weight parts, draconic dentes 2-6 weight parts, polygala root 0.5-3 weight parts, acorus gramineus soland 0.5-3 weight parts, rehamnnia root 1-4 weight parts, coptis root 1-4 weight parts, Chinese angelica root 0.5-3 weight parts, and poria cocos wolf 0.5-3 weight parts.

The invention discloses a single-arm robot stamping and carrying apparatus. The single-arm robot stamping and carrying apparatus comprise a machine table; a linear lifting platform is arranged in themiddle part of the machine table; a liftable robot carrying apparatus is arranged at one end, positioned on the linear lifting platform, of the machine table; an isolation paper placement plate and anisolation paper carrying apparatus for carrying isolation paper to a finished product placement plate one by one are arranged at the other end, positioned on the linear lifting platform, of the machine table; the finished product placement plate is positioned on the linear lifting platform; and the linear lifting platform is also provided with a supplied material plate structure with a compensating and lifting function. The single-arm robot stamping and carrying apparatus is mainly specific to flexible FPC board stamping and carrying. The apparatus is a four-axis robot with a liftable base; the Z axis of the robot is positioned on the base, so that the robot can walk in the narrow space of upper and lower modules of a punch conveniently; a suction cup is arranged at the tail end of the robot, and a product protection function is added at the suction cup adsorption position; the suction cup is rotatable, so that a secondary stamping function of the symmetrical products can be realizedconveniently; and the four-axis robot with the liftable base is mainly used for material carrying.

The invention discloses a panel display and a protecting structure for the same. The protecting structure is suitable for protecting a backlight module and comprises a protecting film, an elastic element and a moving sheet, wherein the protecting film covers on a circuit board and is provided with a through hole for exposing a signal connecting groove, and the moving sheet is connected to the protecting film; and the elastic element is arranged at one side of the moving sheet. In the protecting structure disclosed by the invention, the moving sheet outwards extends by utilizing the protecting film, and the elastic element is arranged on the moving sheet and can be used for protecting the backlight module, particularly an optical element in the backlight module. Compared with the protecting film on the traditional common circuit board, the protecting structure has improved protecting function on the backlight module and can enhance the reliability of the backlight module.

The invention discloses an overvoltage protection configuration system of a unified power flow controller. The system comprises a direct-current overvoltage protection device, a valve overvoltage protection device and a sub-module overvoltage protection device. The relation of protection action constant values can be expressed by a relational expression that (N*Vov2)>(N*Vov1)>Uov1>...>Uovm>Unom. The cooperative relation of protection action delay can be expressed by a relational expression that Tvo2<Tvo1<Tuo1...<Tuom. Lightning arresters and by-pass switches which are in bridge joint are configured at two ends of the circuit-side winding of a series transformer; grounding lightning arresters are respectively configured at the near bus-bar end and near circuit end of the circuit-side winding of the series transformer; grounding lightning arresters are configured at the alternating-current power grid side and converter side of a parallel transformer; and grounding lightning arresters areconfigured at the alternating current-direct current side and valve bottom of a converter. With the overvoltage protection configuration system of the invention adopted, the converter can act reliably when the system is disturbed or the sub-modules of the converter fail, and therefore, the reliability of the unified power flow controller can be improved.

The invention provides an intelligent chemical coating spraying device which comprises a rack, moving wheels, a movable pushing handle, a control box, a movable spray frame lifting structure, a sliding connection pipe, a manual spray positioning frame structure, a small part spray frame structure, a support, a heating, mixing and discharging base structure, a box body, a mixing motor, a rotating shaft, stirring blades, a discharging pipe, a large material suction pump, a connecting hose and a spray head. The moving wheels are in bolt connection with the positions of four corners of the lower portion of the rack correspondingly. The spraying device has the beneficial effects that by arranging an installing frame, a connecting base, a connecting rod and a scraping plate, the rotating shaft drives the connecting base to rotate, the connecting base drives the scraping plate to rotate through the connecting rod, the scraping plate rotates along the inner wall of an inner base to scrape offcoating remaining on the inner wall of the inner base, the situation that the coating is solidified on the inner side of the inner base, and workers cannot clear the coating conveniently can be prevented beneficially, meanwhile, the coating can be stirred, and thus the coating is more uniform when being used.

The invention relates to an isolating converter and a switching power supply comprising the isolating converter. The isolating converter comprises a transformer, a power switch, a switch control circuit, a voltage feedback circuit, an overvoltage protection circuit and a secondary-side rectifying circuit. The power switch is connected between an input voltage source and the first end of a primary-side winding. The second end of the primary-side winding is connected with a ground terminal. The voltage feedback circuit is connected between the first end and the second end of the primary-side winding and used for outputting a voltage feedback signal according to the voltages across the two ends of the primary-side winding. The switch control circuit is used for outputting a switch control signal, and the switch control signal is used for controlling the power switch. The overvoltage protection circuit is used for outputting a resetting signal when the voltage feedback signal exceeds an overvoltage protection threshold, and the resetting signal is used for resetting the switch control circuit. According to the isolating converter, primary-side control of the isolating converter can still be realized on the premise that an auxiliary winding is omitted.

The invention relates to the field of electric power systems, and discloses an electrical early warning protection system. The system comprises an electrical main loop, a current transformer, a voltage transformer, N non-contact sensors, an electrical early warning protection module and a display terminal; the current transformer and the voltage transformer are connected to the electrical main loop; the current transformer and the voltage transformer are connected with the electrical early warning protection module; the N non-contact sensors are not connected to the electrical main loop; the Nnon-contact sensors are connected with the electrical early warning protection module; and the electrical early warning protection module is connected with the display terminal. According to the technical scheme, in addition to the current transformer and the voltage transformer connected to the main loop and used to collect signals, the non-contact sensors are also adopted to collect the signalsof electrical equipment and circuits, so that defects and fault information can be early warned in advance; and meanwhile, a judgment basis of existing electrical protection is added, so that the reliability, selectivity and sensitivity of the electrical protection are improved. The invention further discloses an electrical early warning protection method.

The present invention relates to one kind of RE-containing ecological liquid fertilizer and its preparation process. The RE-containing ecological liquid fertilizer is prepared with the materials including RE borate 15-30 wt%, zinc sulfate 4-6 wt%, calcium sulfate 4-6 wt%, distilled water 30-55 wt%, methyl salicylate 2-5 wt%, 15 wt% concentration amino acid solution 8-25 wt%, and 90 wt% concentration alcohol solution 10-15 wt%. The RE-containing ecological liquid fertilizer can strengthen crop's resistance and biological enzyme activity, and raise photosynthetic rate and N, P and K absorbing and transporting ability, so as to increase yield and improve quality of agricultural products, and has no harm to environment. Its preparation process is simple.

This invention relates to new cleaning oil for engines, which is composed of one or many of ordinary motor-oils as the basic oil: 150SN, 500SN, 650SN, 150BS and advanced motor-oil from south Korea: SK70n, SK150N, and SK100N, anticorrosive, oxidation inhibitor, antiwear agent, detersive pour-point depressant and freely selected defoamer agent. In preparation, a computer is used to control the volume of the additives and the regulation temperature so that, they can fully contact with each other and interfuse with each other to get the target of the engine oil standard.

The embodiment of the invention discloses a mobile terminal anti-theft tracking device. The mobile terminal anti-theft tracking device comprises a transmitting unit for transmitting a predetermined anti-theft operation instruction in an anti-theft tracking system to a mobile terminal according to the unique identification information of the mobile terminal, an indicating unit for indicating the mobile terminal to feed back the tracking information according to the anti-theft operation instruction and a tracking unit for tracking the mobile terminal according to the tracking information. By utilizing the embodiment, the mobile terminal can be locked by the unique identification information, the operation success rate of the anti-theft tracking system is improved, the protection function of anti-theft operation is enhanced, and a lost mobile terminal of a user is conveniently found.

The invention discloses a method for protecting an operation in a passive optical network and a device thereof. The operation signal is transmitted in a main line and a redundancy line simultaneously; the main line and the redundancy line are connected with a protective replacing device including a protective monitoring module and a replacing control module that are installed on a user side; a first step, the protective monitoring module judges states of the main line and the redundancy line respectively, and outputs a monitoring signal to the replacing control module; a second step, the replacing control module selects one route outputting according with the monitoring signal. The method moves TDM operation protection in the passive optical network to near the user side, enlarges the line protective range, has rapid replacing time and rapid operation recovery. The method can be completed through a device original apparatus and needs not extra cost, also can set whether starting protective function according with need, can close the replacing device when bandwidth is not enough.

A pneumatic vehicle tyre for commercial vehicles, comprising a carcass (5), a breaker belt (9) and a profiled tread rubber (10), wherein the breaker belt (9) is formed by at least three belt plies (13, 14, 15), of which the radially inner ply (13) and the radially outer ply (15) are formed as working plies with parallel steel reinforcing elements (23, 25) embedded in rubber, wherein the reinforcing elements (23, 25) of the working plies (13, 15) have opposed axial directions of inclination and an angle in relation to the circumferential direction of 10 DEG -45 DEG , and wherein the belt ply (14) arranged between the two working plies (13, 15) is divided in the axial direction and is formed by two axial outer peripheral ply portions (18, 19) and one central ply portion (14) arranged axially between said peripheral portions, wherein the two peripheral ply portions (18, 19); are formed as zero degree plies with reinforcing elements (28, 29), which include an angle in relation to the circumferential direction U of 0 DEG -5 DEG , and the central ply portion (14) is formed with reinforcing elements (24) which include an angle in relation to the circumferential direction U of 5 DEG -90 DEG.

The invention relates to a heat sinking and crashproof mobile phone shell. The heat sinking and crashproof mobile phone shell comprises a hollow frame which is made of a soft elastic material, and a hollow backboard which is made of a hard material; the hollow regions of the backboard and the frame are communicated and form a sealed space; transparent liquid used for transmitting and buffering an impact force is filled in the sealed space; a sealed elastic air bag is further placed in the hollow region of the backboard; a sealed oblate stirring shell made of a transparent material is sleeved at the outside of the elastic air bag, and current limiting holes are equidistantly formed in the stirring shell along the circumferential direction; sealed and soft elastic evaporation bags are further equidistantly installed on the stirring shell along the circumferential direction; evaporated liquid is only filled in the elastic evaporation bags; the mobile phone shell is lightweight, is beautiful in appearance, can be used for efficiently cooling the machine body, can efficiently buffer an external impact force to a mobile phone and has a better texture.

The invention discloses a double-lithium battery control system based on an EC controller, and relates to a portable computer power supply field. The double-lithium battery control system comprises an SMBus communication module, a battery information analyzing module, a charging chip control module, a power supply switching control module, and a charging discharging strategy decision making module, which are disposed on an EC firmware in an integrated way. The SMBus communication module is used to provide an SMBus communication interface to other modules, and is used for battery information acquisition and charging chip control. The battery information analyzing module is used to read and analyze lithium battery information by an interface provided by the SMBus communication module. The charging chip control module is used to realize setting of charging switching-on / off and charging voltage / current by the interface provided by the SMBus communication module. The power supply switching control module is used to control system power supply selection. The charging discharging strategy decision making module is used to make decisions about the power supplies of the system and the charging discharging power of the double lithium batteries according to the battery information and an adapter in-place condition.

A method for freezing the bare embryo features that its freezing liquid contains ethanediol (20-30%), cane sugar (10-20%), glucosan (10-15%), serum albumin (10-15%), PBS (10-30%) and ultra-pure water (10-20%). Its advantages are high activity of thawed embryo and high transplantation success rate.

The invention discloses a condensing gas water heater, including a shell, control keys and a display; wherein, the shell is internally provided with a cylindrical mesh burner, a double-layered stainless steel corrugated tube heat exchanger, a high air-pressure vortex enclosed blower and a controller. The upper part of the shell is provided with a community balance flue exhaust pipe; the shell is internally provided with an abnormal flame combustion inductive needle and a dual-purpose device for draining condensed water; the CPU of the controller is internally provided with current parameters of flame ions, a sensor used for measuring the water flow, a sensor for measuring the temperature of exhaust smoke, a sensor for measuring the temperature of hot water drained, and an igniter which are respectively and electrically connected with the controller; the controller is also connected with an air ratio valve and the display. The water heater of the invention is efficient in heat exchange, low in exhaust emission, easy for manufacturing and low in cost. When the hot water is set at the temperature of 50 DEG, the temperature of the exhaust discharged out of the flue is lower than that of the hot water, thus generating condensed water; the water heater can be automatically shutdown when the gas is not fully burned, which ensures the gas to be burned fully, thus being environment-friendly and energy-saving.

The invention discloses a solid-free slurry-replacing well completion protective fluid and a preparation method thereof, which belongs to the technical field of exploitation of oil and gas fields. The completion protective fluid comprises, by weight, 100 parts of a formate-based liquid, 0.2 to 0.4 part of a thickening agent, 1 to 3 parts of a high temperature high temperature, 0.2 to 3 parts of a clay stabilizing agent and 0.2 to 1 part of a waterproof locking agent. The completion protective fluid has the following advantages: (1) the completion protective fluid has no solid phase, so solid phase settlement does not exist; (2) the completion protective fluid has good rheological properties and a low shearing force value; (3) the completion protective fluid has an excellent hydrocarbon reservoir protection function; (4) the completion protective fluid has good high temperature resistance and salt resistance stability, and a system has good displacement and carrying capability under reservoir temperature; (5) the completion protective fluid is safe, nontoxic, easily degradable and compatible with the environment; (6) the completion protective fluid has good compatibility with a drilling fluid and a fracturing fluid, and the rheological properties of the completion protective fluid are not influenced after mixing; (7) the completion protective fluid has little corrosivity and greatly reduces corrosivity of a saline solution to downhole tools; and (8) the completion protective fluid has great specific gravity and no solid phase and is applicable to areas with abnormal high temperature and high-pressure area.