31results about How to "Guaranteed operating life" patented technology

The utility model discloses a fastener driver, comprising: a striking assembly comprising a striking member configured to strike a fastener; the driving assembly at least comprises a driving wheel and is arranged to drive the striking piece to move along the axis of the striking piece; the motor is arranged to drive the driving wheel to rotate; a wheel pin is arranged on the driving wheel, and the wheel pin can be meshed with the striking teeth on the striking piece to drive the striking piece to move; and at the beginning of the lifting period, the outer envelope line of the rotation track of the wheel pin at least has no interference with the non-meshing surface of the target striking tooth. The fastener driver is safer to use and long in service life.

The utility model discloses a UPS (Uninterrupted Power Supply) input power distribution cabinet with high safety performance, comprising a main body assembly which comprises a power distribution cabinet body; the electric leakage assembly comprises a mounting groove, a fixed pipe, a spring, a side connecting block and a connecting rod; the mounting groove is formed in the front end of one side of the outer surface of the power distribution cabinet body, the fixed pipe is fixed to the front end of one side in the power distribution cabinet body, the spring is installed in the fixed pipe, the side connecting block is connected to the other side of the spring, the connecting rod is fixedly connected to one side of the outer surface of the side connecting block, the track is fixed to the inner wall of the power distribution cabinet body, and the movable plate is slidably installed in the track. The metal sheet is connected to one end of the outer surface of the movable plate, and the test pencil is installed in the movable plate. According to the utility model, the problems that electric leakage occurs in a conventional power distribution cabinet, but electric leakage detection can be carried out in the power distribution cabinet only when an operator needs to open a cabinet door of the power distribution cabinet, and when the operator opens the cabinet door, electric shock risks may be brought to maintenance personnel are solved.

The invention relates to the technical field of centrifugal pump equipment, and provides a boiler water circulation centrifugal pump for an energy-saving boiler, which comprises a centrifugal pump, a pump shell and a side shell, the inner ring frame is located in the pump shell and is in butt joint with the water inlet, and impurities in water are filtered through a front filter plate and used for intercepting the impurities in the water; the arc-shaped plate is located in front of the filter plate, the opposite faces of the arc-shaped plate are attached to each other, when the filter plate rotates through an arc-shaped structure of the arc-shaped plate, impurities in meshes are scraped out to form a dredging effect, and meanwhile the arc-shaped plate is further used for guiding the impurities to the outer ring area; and the outer ring frame is located on the outer side of the inner ring frame and used for storing the intercepted impurities, and space communication is formed through a first separation net, close to the water inlet, on the inner side, so that the impurities enter the outer ring frame after being guided. During operation of the centrifugal pump, impurities in water are filtered in real time, automatic dredging treatment is formed, in addition, the blades can be cleaned in real time, the impurities cannot be adsorbed to form dirt and corrosion, and therefore the operation safety and the service life of the impeller and the boiler are guaranteed.

The present invention discloses a cable trench drainage device, comprising a water collection well arranged beside the cable trench, a drainage outlet arranged at the bottom of the cable trench and connected to the water collection well, a submersible sewage pump with a downward suction port arranged at the bottom of the water collection well, a second liquid level switch arranged on the well wall of the water collection well, and a first liquid level switch arranged on the well wall of the water collection well; the outlet pipe of the submersible sewage pump is in a horizontal direction, the outlet pipe is connected to a drainage pipe, and the drainage pipe is connected to an external rainwater pipe. The accumulated water in the cable trench can be discharged into the water collection well in time, and then automatically discharged to the rainwater pipe through the submersible sewage pump, so that there is no more accumulated water in the cable trench, thereby ensuring the normal operation and service life of the cables in the cable trench. Since the cable trench is no longer soaked in accumulated water, the service life of the cable trench can be extended, and collapse accidents due to long-term soaking in accumulated water will not occur.

The utility model relates to a stage lamp self-adaptive detection system which is characterized in that a sealing cavity provided with a heating source is arranged in a stage lamp, the detection system comprises a control unit, an air pressure detection unit, a humidity detection unit and a pumping and draining unit which are arranged in the sealing cavity, and an exhaust hole capable of being communicated with the outside is formed in the sealing cavity. A gas outlet of the pumping and discharging unit is connected with the gas exhaust hole through a gas path, and the pumping and discharging unit can discharge part of gas in the sealing cavity out of the sealing cavity after sequentially passing through the gas exhaust hole, the gas outlet and the gas exhaust hole, so that the sealing cavity forms a negative pressure cavity; the detection system further comprises a drying device, vaporized water and grease can be absorbed by the drying device, so that the sealing cavity is kept in a dry environment, normal operation and the service life of equipment are guaranteed, and meanwhile the risk that moisture and oil gas are attached to the optical glass is avoided.

The utility model belongs to the technical field of lamp box advertising boards, and particularly relates to a community lamp box advertising board. Comprising a lamp box body; the explosion-proof glass plates are arranged on the front and rear sides of the lamp box body The rainproof mechanism is arranged at the top of the lamp box body and used for preventing rainwater from entering the lamp box body; the rainproof mechanism comprises a rain shelter arranged at the top of the lamp box body; the mounting plates are arranged on the left side and the right side of the rain shelter and the left side and the right side of the lamp box body, and the two mounting plates on the same side make contact with each other; the bolts are arranged between the two mounting plates on the same side in a penetrating mode, and the rain sheltering shed is fixedly mounted at the top of the lamp box body through the bolts; the blocking grooves are formed in the edge of the bottom of the rain shelter, communicate with one another and are used for blocking rainwater from flowing towards the lamp box body. According to the community lamp box advertising board, rainwater can permeate into the advertising box, and it is ensured that the advertising board can normally operate and effectively play a role under various weather conditions.

The utility model belongs to the technical field of blanking cooling, and particularly relates to a blanking cooling device for a refining furnace, which comprises a bearing frame, moving wheels are fixedly connected to the bottom of the bearing frame. The moving wheels are symmetrically arranged at the bottom of the bearing frame; the top of the bearing frame is fixedly connected with a cooling box; a cooling bin is arranged in the cooling box; a groove body is arranged between the cooling box and the cooling bin; a water storage tank is fixedly connected to the interior of the bearing frame; a circulating pump is mounted on the side wall of the water storage tank; the output end and the input end of the circulating pump are connected with a connecting pipe; the input end of the connecting pipe is arranged at the inner position of the water storage tank; the output end of the connecting pipe is arranged in the cooling box; a water outlet is formed between the water storage tank and the cooling tank; by means of the structure, the cooling pool and the circulating cooling system are arranged, heat accumulated in the transfer cavity can be rapidly taken away, the heat accumulation phenomenon is avoided, and normal operation and the service life of equipment are guaranteed.

The strawberry grading cleaning device comprises a cleaning machine and a buffering belt, the buffering belt is arranged at the bottom end of a discharging port of the cleaning machine, supporting plates are fixed to the two sides of the bottom end of the buffering belt, cleaning pieces are arranged on the inner sides of the supporting plates, vertical rods are fixed to the two sides of the bottom end of the buffering belt, and the vertical rods are arranged on the bottom end of the buffering belt. The outer wall of the vertical rod is sleeved with a spring, the top end of the spring is connected with the bottom end of the buffer strip, the bottom end of the outer wall of the vertical rod is sleeved with a sleeve, the top end of the sleeve is connected with the bottom end of the spring, an auxiliary part is arranged on the inner side of the sleeve, and a supporting seat is fixed to the inner side of the auxiliary part. A clamping groove is formed in the top end of the supporting base. The cleaning pieces are arranged on the inner sides of the supporting plates on the two sides of the bottom end of the buffer strip, the cleaning ends of the scraping plates are always attached to the surface of the buffer strip through the scraping plates and the torsion springs on the rotating blocks, and juice and impurities adhering to the buffer strip due to strawberry damage can be effectively cleaned in time.

The invention provides a rail transit tunnel settlement monitoring method and system, and the method comprises the following steps: arranging displacement sensors at a vault, a haunch, a side wall and a bottom plate at preset intervals in a rail transit tunnel according to the structure and geological conditions of the tunnel; collecting measurement data of the displacement sensor at a preset time interval; the collected measurement data are preprocessed, a three-dimensional finite element model of the tunnel is established, inversion analysis is conducted in combination with the preprocessed measurement data, and meanwhile the settlement amount is calculated in combination with a settlement model; when the settlement value exceeds a preset settlement safety threshold value, an alarm device is triggered to give an alarm, and a settlement report is generated. Safety accidents caused by settlement can be effectively avoided, and normal operation and the service life of a rail transit system are guaranteed.

The utility model discloses a distribution line insulator installation device with an anti-impact structure, which comprises two connecting frames, a plurality of insulators are arranged on the sides, close to each other, of the two connecting frames, and the distribution line insulator installation device with the anti-impact structure further comprises a buffer device arranged between the two connecting frames; the rotating device is mounted between the two connecting frames; and the heating device is arranged between the two connecting frames. The utility model relates to the technical field of insulators, and the distribution line insulator installation device with the anti-impact structure can effectively buffer the insulator when the insulator is impacted by the outside world through the cooperation of the connecting frame, the clamping block, the insulator and the buffer device, thereby improving the reliability of the insulator installation device. Therefore, the problem that the use effect is reduced and even the insulator cannot be used due to the fact that the insulator is damaged due to external impact can be avoided to the maximum extent, and the use and operation life of the whole line can be effectively guaranteed.

The utility model discloses a mill roll bearing mechanism with dustproof structure relates to mill roll bearing field, including the outer ring, the inner wall movable joint of outer ring has the rolling body. The utility model discloses through setting up the outer ring, the silicone grease layer, the heat dissipation fin and the bolt, through the silicone grease layer of outer ring bonding, can closely fit in the surface of outer ring and heat dissipation fin, fills the tiny gap and uneven place between both, makes the contact between heat dissipation fin and outer ring more closely and evenly, passes through heat dissipation fin again, and heat dissipation fin can significantly increase the heat dissipation area, and the heat emission speed from outer ring to the surrounding air is accelerated, and the working temperature of bearing is effectively reduced, prevents the bearing performance decline, lubrication failure and other problems because of overheating, can also shield the rolling body place simultaneously, can effectively block the dust of outside and other foreign matters to enter the bearing inside, avoids these foreign matters to cause the abrasion of rolling body, thereby guarantees the normal operation and service life of rolling body.

This invention relates to the field of electrical equipment cabinet technology, specifically to an energy-saving and heat-dissipating power electrical control cabinet. The cabinet includes a control unit with a first partition dividing the space within it into an air intake chamber and an equipment chamber. A heat dissipation mechanism is also provided within the control unit, including an air intake assembly located within the air intake chamber. This assembly comprises a main air intake duct, several air outlet ducts, and several mounting plates. Several mounting holes are provided on the side of the first partition near the air intake chamber. Through holes are provided on the mounting plates, and fixing bolts are installed within these through holes and screwed into their corresponding mounting holes. This energy-saving and heat-dissipating power electrical control cabinet overcomes the problem of insufficient localized temperature reduction in existing heat dissipation methods. Furthermore, the position of the heat dissipation vents can be flexibly adjusted to address the issue of adjusting the position of equipment within the power electrical control cabinet.

An outdoor self-cleaning power distribution cabinet includes a cabinet body, an air guide assembly, and a dust filter box. The dust filter box includes a box body and multiple piston cylinders installed inside the box body. Each piston cylinder has an air inlet at its bottom, and an exhaust window is provided between any two adjacent piston cylinders. The lower end of each piston cylinder has a mesh screen for airflow. Inside the piston cylinder is a piston that slides back and forth on the inner wall of the mesh screen. As the piston slides, it scrapes away dust adhering to the surface of the mesh screen. The dust filter box with a piston structure at the air inlet ensures that the piston head completes a reciprocating scraping motion within the mesh screen each time the fan starts and stops, automatically removing dust accumulated on the outer surface of the mesh. This process requires no manual intervention, maintaining a clean state and ensuring the normal operating life and reliability of the electrical equipment.

The invention provides a liquid cooling and air cooling combined heat dissipation case, and belongs to the technical field of electronic equipment heat dissipation, the case comprises a case shell and an electronic assembly in the case shell, the case shell comprises a left mounting plate, a right mounting plate, an upper mounting plate, a lower mounting plate, a front mounting plate and a rear mounting plate, and a closed shell is formed; an internal front mounting plate is arranged on the inner side of the front mounting plate, an internal rear mounting plate is arranged on the inner side of the rear mounting plate, the left mounting plate, the right mounting plate, the internal front mounting plate and the internal rear mounting plate are provided with liquid cooling flow channels which are integrally formed, a liquid cooling interface is arranged on the outer side of the case shell, and the liquid cooling flow channels are connected with an external cooling liquid circulating system through the liquid cooling interface; heat dissipation fins are arranged on the outer side of the inner front installation plate and the outer side of the inner rear installation plate respectively, a forced air cooling assembly is arranged on the case shell, and airflow generated by the forced air cooling assembly directly flows through or blows towards the heat dissipation fins. According to the invention, an efficient heat dissipation system with a liquid cooling and air cooling synergistic effect is formed, and the heat dissipation efficiency of the case is improved.

The utility model discloses a slewing support bearing which comprises a bearing outer ring and a bearing inner ring, the bearing inner ring is arranged on the inner side of the bearing outer ring, a plurality of connectors are connected to the two sides of the bearing outer ring respectively, locking grooves are formed in the connectors, annular outer plates are arranged on the two sides of the bearing outer ring respectively, and a cavity is formed in one side of each annular outer plate. Locking mechanisms in one-to-one correspondence with the connectors in number and position are arranged in the cavity, each locking mechanism comprises a fixing rod and a lock head, the fixing rods are connected with the inner wall of one side of the cavity, the fixing rods are sleeved with the lock heads in a sliding mode, the lock heads are clamped with the corresponding lock grooves, springs used for driving the lock heads to pop out are arranged on the fixing rods, and one sides of the lock heads are connected with pull rods; a fixed pulley is rotationally connected to the inner wall of one side of the cavity, a flexible steel rope is connected to one side of the pull rod, and the end of the flexible steel rope bypasses the corresponding fixed pulley and penetrates through the annular outer plate to be connected with the pull ring. According to the novel locking mechanism, the annular outer plate and the bearing outer ring can be quickly disassembled and assembled.

The utility model relates to the field of engine bench test equipment, and discloses an oil inlet and return pressure control device for an engine bench test, which ensures the performance test accuracy of an engine under different working conditions through a system formed by an oil tank, an oil inlet and return control unit and an oil pipe. The key component comprises a pressure reducing valve used for actively controlling oil inlet pressure and preventing oil return resistance increase and engine power abnormity caused by too high pressure. The one-way valve enables return oil to be directly guided into the engine, oil return resistance is reduced, and oil supply circulation and combustion stability are guaranteed; reasonable diversion and convergence of an oil inlet and return system are achieved through the three-way design, the operation efficiency and flexibility of an oil supply system are improved, the oil inlet and return proportion can be conveniently adjusted according to test requirements, and therefore accurate and real engine performance data are obtained.

This utility model discloses a blower room, relating to the technical field of blower room technology. It includes a blower room body with a ventilation window at the upper front end. Mounting rails are fixedly installed on both sides of the ventilation window at the upper rear end of the blower room body, and a filter mechanism is slidably connected inside the mounting rails. This utility model adopts the above structure. The device, through the cooperation of a drive mechanism and a filter mechanism, starts a drive motor to rotate a gear, which in turn rotates a gear ring, causing a slip ring and a brush plate to rotate within a conical filter screen. The conical filter screen, being conical in shape, increases the filtration and ventilation area, improving filtration efficiency. Its inclined surface can quickly remove dust, improving dust cleaning efficiency. Overall, it can maintain the ventilation efficiency and heat dissipation effect inside the blower room for a long time, maximizing the service life of the blower. The rotating brush plate effectively cleans the inside of the conical filter screen, ensuring good ventilation.

The utility model provides an anti-freezing dredging type PVC (polyvinyl chloride) three-way pipe fitting, which relates to the technical field of three-way pipes and comprises a pipe body, one side of the surface wall of the pipe body is fixedly connected with a working box, one side of the inner wall of the working box is provided with a motor, the output end of the motor is fixedly connected with a first rotating shaft, and the peripheral side of the surface wall of the first rotating shaft is fixedly connected with a first dredging plate. A waterproof box is installed on one side of the surface wall of the first rotating shaft, a worm is fixedly connected to one side of the surface wall of the first rotating shaft, two worm wheels are connected to the surface wall of the worm in a meshed mode, the output end of the motor rotates to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive a first dredging plate to rotate, and the first rotating shaft rotates to drive the worm to rotate. Under the action of the first dredging plate and the second dredging plate, blockage caused by freezing of accumulated water in the pipe body is avoided, frost cracking of the pipe body caused by the action of frost heaving force is reduced, and normal operation and the service life of a pipeline system are guaranteed.

This utility model discloses a sealing and stirring mechanism for a stirring head of a stir-frying device, relating to the technical field of stir-frying machines. It includes a horizontal plate, with a stirring spatula mounted on one side of the bottom via a sealing sleeve. The sealing sleeve consists of a fixed sleeve, a first shell, a second shell, and a connecting pipe. The second shell is made of elastic rubber. The stirring spatula consists of a long handle and a spatula body. This sealing and stirring mechanism for a stir-frying device, through the combined design of the first and second shells in the sealing sleeve and the sleeved structure between the connecting pipe and the long handle, utilizes the elastic structure of the second shell to provide both sealing protection and additional auxiliary stirring for the moving connection structure of the stirring spatula. This prevents oil, broth, and other contaminants from seeping into the connection and polluting internal components during cooking, thus ensuring the normal operation and service life of the equipment.

This invention relates to the field of motor control, and in particular to a control method and a motor controller. The method, when a motor restarts from a paused state, utilizes the residual voltage in the bus capacitor to drive the motor. This utilizes the residual voltage and allows the motor to pre-rotate, enabling it to run at a slower speed and avoiding sudden changes in motor speed. Furthermore, it fully utilizes the electrical energy generated by the residual voltage, achieving energy recycling. Moreover, when the residual voltage in the bus capacitor is consumed below a safe threshold, the power supply is switched to the mains power, thus avoiding the superimposed impact of the residual voltage and the power supply voltage, thereby ensuring the motor's service life.

The utility model provides an air pipe fixing self-tapping screw tip protective cap and an air pipe connecting structure, the protective cap is used for being installed at the self-tapping screw tip for protection, and the protective cap comprises a nut, a cap body and a sealing ring; the nut and the cover body are integrally connected, one end of the nut is sealed by the cover body, the other end of the nut is an open end with an internal thread, and the internal thread is used for being in threaded connection with an external thread of a self-tapping screw; a sealing groove is formed in the opening end face of the nut, the sealing ring is embedded in the sealing groove, and the sealing ring protrudes out of the opening end face of the nut so as to extrude the sealing ring to achieve sealing of the opening end of the nut when the nut is connected to the tip end of the self-tapping screw in a threaded mode. The protective cap for the tip of the air pipe fixing self-tapping screw has the advantages of being firm in structure, good in sealing performance, convenient to install, long in service life and good in safety.

The invention relates to the technical field of bidirectional V-cutting machines, and provides a bidirectional V-cutting machine for a printed circuit board, which comprises a base, a moving device is arranged at the top of the base, the moving device comprises a fixed plate, the bottom of the fixed plate is fixedly connected to the bottom of the inner side of the base, a motor is fixedly connected to the side surface of the fixed plate, and the motor is fixedly connected to the bottom of the inner side of the base. A threaded rod is fixedly connected to an output shaft of the motor, a threaded sleeve is in threaded connection to the circumferential face of the threaded rod, a limiting rod is fixedly connected to the side face of the fixing plate, a sliding groove is formed in the top of the base, and a containing plate is slidably connected to the top of the sliding groove. By means of the design, the circuit board can be driven to move and cut, an operator does not need to move the circuit board manually to cut the circuit board, the cutting machine is prevented from hurting the body of the operator, and the personal safety of the operator is protected. The safety problem of the two-way V-shaped cutting machine is solved through the moving device.

The utility model discloses an asphalt paving device for highway construction, which relates to the technical field of highway construction equipment, and comprises a material distributing mechanism, the material distributing mechanism comprises a blanking box, a feed port is arranged at the top of the blanking box, a top cover is arranged at the top of the feed port, a material distributing plate is arranged in the blanking box, and a material outlet is arranged at the top of the top cover. A discharging opening is formed in the bottom side of the interior of the discharging box, a motor is arranged on one side of the discharging opening, material distributing blades are arranged in the discharging opening, and pressing rollers are arranged at the two ends of the bottom of the discharging box. According to the utility model, the material distributing mechanism is mounted, so that asphalt materials can be uniformly distributed on the two sides in the heating bin through the material distributing plate in the equipment, and the difficulty of subsequent treatment caused by excessive accumulation of the asphalt materials at one place is avoided; and secondly, the asphalt materials accumulated at the discharging opening can be uniformly stirred and discharged through the rotating material distributing blades, it is ensured that the asphalt materials can be uniformly distributed on the road, and the asphalt materials are flattened through the heating roller and the pressing roller.

The utility model discloses a cable conduit plugging sealing element installation structure, and belongs to the technical field of sealing elements. The cable conduit plugging sealing element mounting structure comprises a lower sealing element, an upper sealing element hinged to the lower sealing element, and a mounting cavity formed in the lower sealing element and the upper sealing element, the rubber ring bag cavity is arranged in the mounting cavity; the fixing mechanism is arranged on one side of the lower sealing piece and is used for quickly sleeving a cable with the rubber ring bag cavity; through the cooperative use of the devices and the arrangement of the fixing mechanism, the lower sealing piece and the upper sealing piece can be opened, and then the cable and the rubber ring bag cavity are placed at proper positions, so that the rubber ring bag cavity can be completely expanded to the required position, the cable pipeline can be effectively plugged, the sealing performance is improved, and the service life of the cable is prolonged. Impurities such as water, gas or dust are prevented from entering a cable pipeline, and normal operation and service life of the cable are ensured.

The embodiment of the invention provides a gearbox transmission device, a design method and a wind turbine generator, and belongs to the technical field of wind power generation. The device comprises a transmission main shaft; the connecting end of the main shaft is located in an inner hole of the planet carrier and connected with the planet carrier through an anti-skid mechanism, and the anti-skid mechanism is used for preventing the planet carrier and the transmission main shaft from generating relative sliding; and the locking disc is arranged on the planet carrier in a sleeving manner and is used for generating pre-tightening force, so that the planet carrier is in interference connection with the transmission main shaft. The structure is simple, the meshing length of the transmission main shaft and the planet carrier is short, the torque of the connecting part can be improved, relative sliding of the planet carrier and the transmission main shaft is effectively prevented, and the service life and safety of the fan are guaranteed.

The utility model relates to the technical field of air-conditioning accelerators, in particular to a protective structure of an air-conditioning accelerator, which comprises an air-conditioning accelerator body and a protective mechanism, and a protective groove is arranged on the side wall of the air-conditioning accelerator body. A heat dissipation opening is formed in the protection groove; the protection mechanism is arranged in the protection groove; the protection mechanism comprises a heat dissipation plate, a filter screen and a positioning block; the heat dissipation plate is arranged in the protection groove, and the size of the heat dissipation plate is matched with that of the protection groove; a mounting groove is formed in the side, facing the protection groove, of the heat dissipation plate, sliding grooves are formed in the two sides of the mounting groove, and the two sides of the filter screen are slidably arranged in the sliding grooves; the positioning block is arranged on the side wall of the protection groove; a positioning groove is formed in the mounting groove; after the filter screen is installed on the side wall of the heat dissipation plate, the positioning groove is formed above the filter screen, and the positioning block is matched with the positioning groove in size. Foreign matters such as dust are effectively prevented from entering the device through the filter screen, and meanwhile, the dustproof effect is improved through close fit of the positioning block and the mounting groove.

The utility model discloses a multifunctional combined aluminum pipe, including mounting panel and sleeve, the mounting panel both sides are equipped with cooperation groove, the sleeve both sides are equipped with the convex structure, cooperation groove and convex structure are inlayed, the sleeve is connected with mounting panel through the cooperation of convex structure and cooperation groove, the mounting panel is equipped with two fixed slots. The device utilizes the inlayed connecting structure of mounting panel and sleeve and the multifunctional design of sleeve, realizes the effect that installation is convenient and stable and line management is efficient, solves the problem that the existing device lacks flexible installation mode and line comprehensive protection management function.

The application relates to the technical field of robot trajectory planning, and particularly discloses a trajectory planning method based on dynamic environment modeling. The method is applied to a cooperative workstation and comprises the following steps: acquiring initial phase lag and spatial intersection anchor points; establishing an independent running logic domain to reconstruct cooperative orientation characteristics; performing reverse kinematics analysis along a time axis to obtain constraint orientation parameters; converting trajectory tangential deviation into initial time sequence compensation and performing flexible limiting regulation to output optimal phase delay compensation; extracting time sequence residual extreme points between the initial compensation and the optimal compensation and converting the time sequence residual extreme points into spatial trajectory reduction parameters; combining a safety tolerance corridor to reconstruct a spatial shortcut; and completing synchronization handover of master-slave control domains. The application converts time sequence errors generated by limiting regulation into shortcut adjustments in the spatial dimension, reduces pose dislocation caused by insufficient time sequence compensation, and realizes smooth cooperation recovery of master-slave robots.

The invention belongs to the technical field of safety monitoring of combined high and low voltage power distribution cabinets, and discloses a combined high and low voltage power distribution cabinet comprehensive protection system and method. When the influence index analysis between the high and low voltage transformation areas of the target power distribution cabinet is carried out, analysis is carried out from the aspects of the distance between the high and low voltage transformation areas of the target power distribution cabinet, the quality of an insulating partition plate, the operation quality of a transformer and the like, and the analysis mode can comprehensively and accurately evaluate the influence between the high and low voltage transformation areas of the target power distribution cabinet. And a powerful guarantee is provided for safe operation of the power distribution cabinet. According to the method, when the abnormity is judged to exist, abnormal direction identification is further carried out, the specific source of the problem can be rapidly determined after the abnormity is found through the analysis mode, and time and manpower waste caused by blind troubleshooting is avoided. The power distribution cabinet fault elimination method improves the fault elimination efficiency, can timely and accurately deal with problems in an emergency, guarantees the safe and stable operation of the target power distribution cabinet, and improves the reliability and stability of the whole power system.

The present invention relates to the field of electric power technology, and specifically to a method for optimizing and controlling power quality of a power plant, comprising the following steps: S1. power quality acquisition; S2. voltage and current analysis; S3. harmonic analysis; S4. power supply frequency stability trend analysis; S5. power quality problem identification; S6. strategy generation. The present invention obtains a voltage quality evaluation coefficient and a current quality evaluation coefficient of the power plant according to voltage data and current data of a power plant bus, obtains the severity of harmonics of the power plant according to the amplitude and frequency of each harmonic of the power plant, obtains the average rate of change of the power supply frequency stability according to the frequency value of each monitoring point at each time point of the power plant, thereby judging the overall trend of the power supply frequency stability of the power plant, and generates corresponding strategies by identifying power quality problems, thereby being able to timely discover various power quality problems, helping to maintain stable and reliable power supply of the power plant, and ensuring the normal operation and service life of electrical equipment.