133results about How to "Overcome damage" patented technology

The protection device is suitable to the on-line protection of the short circuit failure at DC 220 voltage, +/- 110 voltage in power plants and transformer substations. The invention is realized through following steps. The detection circuit for the short circuit in the branch through the data collection circuit, A/D conversion circuit is connected to the industrial control computer. The detection circuit for the bus voltage through the data collection circuit, A/D conversion circuit is connected to the industrial control computer. The detection circuit for the state of the breaker through the optical isolation input circuit is connected to the industrial control computer. The current criterion is I is greater than or equal to Id, and the voltage criterion is U is less than or equal to Ud.

The invention discloses a mineral processing process of copper sulphide ores containing high-grade native copper. The process comprises the following steps: recycling large native copper ores of which the particles are greater than 40mm in a crushing process; crushing coarse-particle native copper which is smaller than 40mm by virtue of a high-pressure roller mill, scattering and grading by virtue of a drum concentrator and a vibrating screen; jigging, sliding in a spiral manner, and reselecting and recovering through a table concentrator; and carrying out grinding flotation and recovering on reselected tailings (copper sulphide ores). By the mineral processing process of the copper sulphide ores containing the high-grade native copper, disclosed by the invention, the high-grade native copper can be efficiently recovered in advance; meanwhile, the copper sulphide ores and linnaeite are recovered, so that the damage to a crusher and accumulation in the mill caused by good ductility of copper can be overcome, so that the smooth crushing and the ore grinding production are ensured.

The invention discloses a dual-probe reverse phase feeding microstrip antenna, which comprises a first medium substrate, a second medium substrate and a ground level, wherein the first medium substrate is parallel to the ground level; the second medium substrate penetrates through the ground level vertically; the upper end of the second medium substrate is adjacent to the lower surface of the first medium substrate; the first medium substrate is provided with a microstrip patch; a first L-shaped probe strip and a second L-shaped probe strip are arranged symmetrically on the second medium substrate; the first L-shaped probe strip is formed by connecting a first coupling exciting strip which is parallel to the ground level and a first feeding strip which is vertical to the ground level; the second medium substrate is partitioned into an upper area and a lower area by an intersection line between the second medium substrate and the ground level; an area of the second medium substrate, which is positioned on the lower side of the intersection line, is provided with a microstrip power divider in two penny; one path of the microstrip power divider is connected with the first feeding strip through an inverter; and the other path of the microstrip power divider is directly connected with the second feeding strip.

The invention discloses a constant voltage protection serial communication server. The constant voltage protection serial communication server comprises a microprocessor, a redundant power circuit, a constant voltage module, a first network module, a second network module, a serial interface circuit and a serial expansion circuit, wherein the first network module, the second network module and a serial processing circuit are connected with the microprocessor, the serial interface circuit is coupled to the serial expansion circuit, and the redundant power circuit is connected with the microprocessor through the constant voltage module. The constant voltage protection serial communication server overcomes the defects that in the prior art, a serial communication server is liable to signal interference, consequently, communication is interrupted, the service life of equipment is seriously affected, the server cannot work normally due to a power outage and a network outage, and a microprocessor is damaged because the voltage output by a power module is unstable or a voltage value cannot be constant.

The invention discloses a dual-mode wireless charging device, which comprises a wireless charging PCBA plate, a magnetic suction USB connector and a magnetic suction USB data wire, wherein the magnetic suction USB connector is electrically connected to the wireless charging PCBA plate; the magnetic suction USB data wire can be adsorbed to and electrically connected to the rear side of the rear end of the magnetic suction USB connector; the wireless charging PCBA plate comprises a wireless charging receiving coil and a PCBA plate; the PCBA plate is electrically connected with the wireless charging receiving coil; the PCBA plate is electrically connected to the front side of the rear end of the magnetic suction USB connector; and the front end of the magnetic suction USB connector is used for being inserted into a USB interface of to-be-charged equipment. The invention further discloses a dual-mode wireless charging mobile phone shell, which comprises the wireless charging PCBA plate, the magnetic suction USB connector and the magnetic suction USB data wire; the wireless charging PCBA plate is applied to the inner side of the mobile phone shell; the magnetic suction USB connector is electrically connected to the wireless charging PCBA plate; and the magnetic suction USB data wire can be adsorbed to and electrically connected to the rear side of the rear end of the magnetic suction USB connector. Therefore, the functions of a wireless charging receiving patch and the magnetic suction USB data wire are fused; and free transformation of wireless charging and wired charging and data transmission can be easily carried out on the electronic products of a mobile phone and the like without the USB connector.

The invention discloses a glass transporter. The glass transporter comprises baffles (6), a rotary shaft (7), a base (1), sliding wheels (2), a supporting frame (3) and vertical rods (5). The sliding wheels (2) are arranged on the lower surface of the base (1). The supporting frame (3) is arranged on the upper surface of the base (1). One end of each vertical rod (5) is fixedly connected with the supporting frame (3). The other end of each vertical rod (5) is fixedly connected with the base (1). The multiple vertical rods (5) are arranged at intervals. A gap used for containing glass is formed between any two vertical rods (5). The baffles (6) penetrate through the base (1). First convex teeth are arranged on the side faces of the baffles (6). Second convex teeth engaged with the first convex teeth are arranged on the side faces of the rotary shaft (7). The rotary shaft (7) is tapped into the base (1) and rotates to drive the baffles (6) to move in the vertical direction. By the adoption of the glass transporter, stable and safe glass transportation is achieved.

The invention relates to a non soil taking hole guiding process for sinking a prestressed pipe pile or a prefabricated square pile, which mainly comprises that: a liquid spray pipe is pre-buried or pre-placed in the prestressed pipe pile or the prefabricated square pile, liquid enters the outside wall of a pile end through the liquid spray pipe during pile sinking, a soil body on the outside wall of the pile end is sprayed at high pressure, and a water film is formed between the outside wall of the pile end and the soil body. The method for high-pressure jet grouting or water injection only destroys a structure of soil near the pile side in a small range by means of the cleavage function of injection water, quickly weakens the construction squeezing effect in a short time, can fully recover the frictional resistance of the soil body along with the drainage and consolidation of the soil body at the pile side, and does not influence the long-term bearing capacity of engineering piles.

The invention relates to a photocatalytic degradation treatment device of the wastewater with organic pollutants. The treatment device contains a box. The treatment device is characterized in that the inside of the box is provided with a plurality of relatively independent baffled chambers which are connnected end to end; the both ends of the box are separately provided with a water inlet and a water outlet; in each baffled chamber, a plurality of three-dimensional reticular bodies with immobilized catalyst are stacked at intervals, the center of each three-dimensional reticular body is provided with a through hole, a ultraviolet light source is inserted in the through hole, and an aeration pipe is arranged at the bottom of the baffled chambers; and each three-dimensional reticular body is formed by stacking several layers of reticular carrier, the space between the layers of reticular carrier is 1-3 times of the reticular width, the periphery of the reticular carrier is bent to the bottom surface relatively, the center of the reticular carrier is provided with an I-shaped notch, and the notch is bent to the bottom surface. An illumination device is inserted in the notch. By adopting the device of the invention, the organic matter in wastewater can be decomposed to a large extent.

The invention discloses a prefabricated section type concrete bridge joint structure which comprises a prefabricated beam section, steel shear keys and circular covers. Holes are formed in the end face of the prefabricated beam section, the steel shear keys are disposed in the holes, a gap is reserved between each steel shear key and the corresponding hole, each gap is filled with seal material, each circular cover sleeves the corresponding steel shear key, each circular cover is provided with a crack line along the radius direction, and a pouring hole for pouring the seal material is formed at the intersection of each crack line and the excircle of the corresponding circular cover. The prefabricated section type concrete bridge joint structure has the advantages that the high-strength stainless steel circular steel is used as the steel shear keys, the steel shear keys are adhered in the holes of prefabricated beam section, and the size of the steel shear keys can be reduced by the high strength of the steel shear key materials; the prefabricated section type concrete bridge joint structure is simple in construction, stable in quality, high in durability, and long in service life, safety performance of existing bridging structures is increased, and the problem that the existing prefabricated beam sections are often damaged during transportation, construction and application due to the fact that the shear keys are made of plain concrete is well solved.

The invention discloses a microstrip spiral double-frequency heat treatment antenna, comprising a coaxial input line, a double-arm spiral antenna, a microstrip circuit board and a water bag, wherein the double-arm spiral antenna adopts a planar spiral structure formed by two microstrips serving as spiral arms and is printed on the microstrip circuit board, the water bag is adhered to the surface of the double-arm spiral antenna in a manner of firm bonding, and water pipes are aligned inside the water bag; the double-arm spiral antenna has the spiral pitch from 0.1mm to 30mm, the number of turns from 1 to 10 and the width of microstrips from 0.1mm to 1.5mm, and satisfies the following relationship: the diameter of the double-arm spiral antenna is equal to 4 * the number of turns * (the spiral pitch + the width of microstrips). The microstrip spiral double-frequency heat treatment antenna can operate under the frequency of 915MHz and 2450MHz, has uniformity in heating and mutually supplementary heating scopes, and can avoid the damage to normal tissues caused by too high body surface temperature.

The invention belongs to the technical field of large airships, and provides a large airship transferring and flying method based on an AGV laager, and the method comprises the steps: enabling a plurality of AGVs to form the AGV laager which can move synchronously according to the style of an airship; mounting distance measuring equipment on the multiple AGVs, wherein when the AGVs form a vehiclelaager to integrally move, one AGV serves as the benchmark, the other AGVs monitor the distances between the AGV and the adjacent AGVs at the same time, the distances between the AGVs are kept unchanged in a traveling process of the AGV vehicle laager, a threshold value is set in a control program of the AGVs, and vehicle speed adjustment is fed back in real time. keeping all the AGVs to keep synchronously move; inflating the airship and anchoring the airship on the AGV laager; automatically running the AGV laager along a guide route and carrying the airship to drive out of an airship depot; dragging the airship to a proper position by the AGV laager to accomplish airship distribution. The large airship transferring and flying method based on AGV laager can achieve quick, stable and safe transferring and flying of different airships.

The invention discloses a transformer substation protection system. The system comprises a fire alarm system, a small animal repelling system, a signal protection device and a steel structured kit, wherein the fire alarm system comprises a trigger device, a fire alarm controller, a fire alarm device, a fire-fighting linked controller and automatic fire-fighting equipment, the animal repelling system comprises a snake repeller, a mouse repeller, an wireless integrated controller and a microcontroller, the snake repeller and the mouse repeller are electrically connected with the wireless integrated controller, the signal protection device comprises a cable and a cable signal transmitter, an additional wire is arranged on the lower end of the cable, signal generators are arranged on both ends of the additional wire, the signal generators are synchronized with the signal transmitter, a synchronous controller is arranged in the cable signal transmitter, and a same-frequency device is arranged in the synchronous controller. The transformer substation protection system can conduct fire pre-warning, small animal repelling and signal transmission protection.

The invention discloses a factory acceptance test system and method for a wafer. The factory acceptance test method for the wafer can add at least electrostatic discharge operation before factory acceptance test process for the wafer and can further add at lest at least electrostatic discharge operation after the factory acceptance test process for the wafer, so that when the factory acceptance test process for the wafer is carried out, static electricity in a factory acceptance test machine for the wafer is discharged. Thus, the problems, caused by charge accumulation, of repeatedly testing the wafer and reducing the test efficiency in the prior art are solved, the problem of component damage caused by too many accumulated charges is further solved, the test efficiency is improved, delivery schedule at the end of a month cannot be affected, and product cost is further reduced.

The invention relates to the technical field of battery charging control, particularly provides a charging awakening method and device of a vehicle BMS and a vehicle charging system, and aims to solvethe technical problem of how to reliably charge and awaken the vehicle BMS. For this purpose, according to a charging awakening method of a vehicle BMS in an embodiment of the invention, charging control instruction of a vehicle BMS, which is generated according to a vehicle charging intention and is obtained based on a wireless communication technology, can be obtained; and a BMS wake-up instruction is generated according to the charging control instruction, and a preset low-voltage power supply is controlled to output a wake-up signal to the BMS based on a wireless communication technologyaccording to the BMS wake-up instruction so as to wake up the BMS. By means of the steps, the problem that in the prior art, when the BMS is awakened through a wired signal source, the BMS cannot benormally awakened due to damage of the signal cable is solved, and the awakening reliability of the vehicle BMS is improved.

The invention relates to a window side wall water seepage detection device for constructional engineering. The device comprises a movable base, a rotating pipe rotationally connected to the movable base around the axis of the rotating pipe, a driving mechanism for driving the rotating pipe to rotate, a liquid conveying mechanism for conveying liquid into the rotating pipe, spraying pipes hinged toone end of the rotating pipe, and a folding and unfolding mechanism for adjusting the spraying pipes to be unfolded or folded, wherein the multiple spraying pipes are distributed around the axis of the rotating pipe. The window side wall water seepage detection device has the effect of reducing potential safety hazards existing when water seepage detection is conducted on the window side wall.

The invention discloses aggregate sorting equipment for road and bridge construction and belongs to the technical field of auxiliary equipment for road and bridge construction. The aggregate sorting equipment comprises a feeding device with a feeding port in the low position and a drum screening device. The drum screening device comprises a drum, a drum frame and a power mechanism. The drum with an outer protective cover is obliquely arranged on the drum frame, and the power mechanism is connected to a rotating shaft at the end of the drum. A discharge opening of the feeding device is connected to a feeding inlet of the drum. A plurality of screening regions are arranged inside the drum, and a plurality of discharge bins are arranged below the drum. According to the aggregate sorting equipment for road and bridge construction, the aggregates are conveyed into the drum of the drum screening device at the high position by using the feeding device, the power mechanism drives the drum to rotate, the aggregates are screened through the screening regions inside the drum, the screened various aggregate components correspondingly fall into the lower different discharge bins, and screeningand separation of the aggregates are achieved. The aggregate sorting equipment has the beneficial effects of compact structure, low noise, high work efficiency and good screening effect. The aggregatesorting equipment can reduce the labor intensity of workers and improve the fineness of the screening of the aggregates.

The invention discloses an automobile brake anti-failure three-control relay valve which comprises an upper body, a middle upper body, a middle lower body and a lower body, wherein the upper body and the lower body are respectively provided with an air inlet control port, and the middle upper body and the middle lower body are respectively provided with an air inlet and an air outlet. The anti-failure three-control relay valve disclosed by the invention is one constituent component of a brake system, is combined with system elements to form a brake system and can be used for timely and effectively compensating a brake moment under the conditions of blockage, component jamming, air pressure reduction and rapid leakage caused by system faults, and the purposes of remedying front wheels during front wheel failures, remedying rear wheels during rear wheel failures and remedying the whole vehicle during failures of the whole vehicle can be achieved. The automobile brake anti-failure three-control relay valve has the advantages of convenience in mounting, low loading cost, nimble operation and excellent performance, and the defects of brake failure, poor brake and the like of the traditional technologies are obviously improved; and the safe reliability of the anti-failure brake technology is improved, so that the automobile brake anti-failure three-control relay valve is quite beneficial to promotion and application.

The invention relates to the technical field of an escalator, in particular to an escalator facilitating cleaning dust, which comprises escalator pedals, and both sides of the escalator pedals are connected with escalator pillars, grooves are formed in the escalator pedals in the direction vertical to the escalator pillars, a draught fan is arranged in each escalator pillars on one side, a wind outlet channel is arranged in the side wall of the joint of each escalator pillar with the corresponding draught fan and the corresponding escalator pedal, dust-cleaning channels are correspondingly arranged in the escalator pillars on the other side, the bottom end of each dust-cleaning channel is connected with a dust collection box, a dust outlet is formed in each dust collection box. The escalator for facilitating cleaning the dust, adopting the technical scheme of the invention, has the beneficial effects of avoiding damage to a motor and cleaning the dust.

The invention provides an apparatus for detecting cadmium ions in water. The apparatus comprises a molecular wire/tin film modified sensor, an electrolysis cell, an electrochemical workstation and a computer, wherein the working electrode of the molecular wire/tin film modified sensor comprises an electrode tube and a carbon paste electrode substrate, one end of the carbon paste electrode substrate is firmly coated with a tin-film modified layer by an in-situ coating method, and the carbon paste electrode substrate comprises carbon powder and a molecular wire. The apparatus has high detectionsensitivity, good conductivity and simple structure and poses no harm to environment and human beings. The invention also provides a method for detecting cadmium ions in water. According to the method, the carbon paste electrode is used as the working electrode, a silver/silver chloride electrode is used as a reference electrode, and a platinum electrode is used as a counter electrode; one end ofeach of the three electrodes is immersed in a solution, and the other ends of the three electrodes are separately connected with the electrochemical workstation through wires; and square wave anodic stripping voltammetry is employed for measuring the concentration of cadmium ions in water. The method is accurate, simple and fast in operation and is convenient for promotion.