344results about How to "Improve deicing efficiency" patented technology

The invention relates to an ice melting method for overhead contact system of an electrified railway and an ice melting system thereof. Major hazards of ice coating of the overhead contact system include accidents that pantograph of electric locomotives can not contact with a contact line to obtain current, contact system brandishes, even falls of piles and collapses, and the like. In the ice melting method and the ice melting system thereof, an upper overhead contact system and a lower overhead contact system are connected in series to form a circuit by a section post, AC or DC ice melting current is input at the head end of the circuit, ice coating thickness and safe ice melting current value are obtained by analyzing meteorological and overhead contact system parameters with an ice coating data processing and control module, and then the ice melting system is controlled to output the ice melting current at the end of the circuit, thus ice is molten by Joule heat generated by the current. In the ice melting method and the ice melting system thereof, ice attached to the contact line is molten by joule heat, and compared with the deicing modes of artificial knock and the like of operation departments, the ice melting method and the ice melting system thereof greatly improve deicing efficiency, thus reducing the effect on railway transport, and eliminating damages of external force on the contact line.

The invention discloses a deicer for overhead transmission lines, comprising a deicer, a running gear, a clamping device and an obstacle-detouring device. The obstacle-detouring device is arranged on a base device between two clamping devices, the base device is arranged on a lead rail, the running gear is connected with the deicer by a support plate, and the clamping device is arranged on the base device. The deicer for overhead transmission lines of the invention can walk along the route of the overhead transmission lines and deice, and can carry out automatic obstacle-detouring when encountering ordinary obstacles such as suspension clamps, shockproof hamers, wire Comps, etc.; in addition, the deicer features high deicing efficiency without being restricted by surrounding environment and weather, thus greatly reducing labor intensity and being capable of reaching routes beyond human reach to carry out deicing and enjoying safe operation and low energy consumption.

The invention discloses a combined type running deicing mechanism of an online deicing robot of a high-voltage transmission line, comprising a bracket and a milling wheel mechanism, a tapping mechanism and a running laminating wheel mechanism assembled on the bracket. The milling wheel mechanism and the running laminating wheel mechanism are arranged in a same running direction. The tapping mechanism is arranged below the milling wheel mechanism and the running laminating wheel mechanism. The combined type running deicing mechanism of the online deicing robot of the high voltage transmission line can deice by three mechanical ways of milling, laminating and tapping simultaneously and has the advantages of compact structure and high deicing efficiency.

The invention discloses an efficient energy-saving snow sweeper and mainly solves the problems that the existing snow sweeper is low in sweeping efficiency and poor in effect and the like. The efficient energy-saving snow sweeper comprises a sweeper head and a sweeper body. The sweeper head comprises a front-open snow collection hopper, a front ice breaker, a snow thrower, and a power system, wherein the front ice breaker locating at the front end of the snow collection hopper is rotatably connected with the snow collection hopper, the snow thrower communicated with the snow collection hopper is disposed at the rear end of the snow collection hopper, and the power system powers the sweeper head to operate. A thermal turbine snow blower used for blowing accumulated snow on rails is detachably connected to the bottom of the sweeper body. A pneumatic rotary deicing device and a moisturizing antifreezing solution applicator are further disposed at the top of the sweeper body. The efficient energy-saving snow sweeper is reasonable in design and compact in structure, is far more efficient and effective than the existing all snow sweepers in sweeping. Therefore, the efficient energy-saving snow sweeper is suitable for popularization and application.

The invention discloses a deicing robot based on an automatic tensioning U-shaped heating mechanism, relates to the technical field of protection equipment for overhead power transmission cables, and solves the problem of deicing the existing deicing mechanism with strong binding force and thick ice layer. The problem of limited ice capacity, including the casing, on which the driving wheel and the driven wheel are installed, the driving motor and the worm gear mechanism are arranged inside the casing, the worm gear is arranged above the worm and meshed with the worm, and the worm wheel and the driving wheel pass through the transmission belt A Transmission connection, the front end of the worm sticks out of the casing and is connected with a rotating body that rotates with the rotation of the worm. The rotating body is equipped with a mechanical deicing mechanism, including a thermal deicing mechanism. The thermal deicing mechanism includes a stepping motor, a transmission belt B, The U-shaped heating plate and the shells symmetrically arranged on both sides of the transmission line can effectively remove the icing with strong binding force and thick ice layer, such as rain rime and mixed rime, and avoid thermal De-icing mechanisms are prone to damage to the interior of power lines due to sustained heat.

The invention relates to comprehensive road surface deicing equipment. Comprehensive road surface deicing equipment, including a mechanical deicing device, a deicing margin control device for controlling the amount of ice removed by the mechanical deicing device to leave a residual ice layer on the road surface, and a device for dissolving the ice layer by heat energy The thermal deicing device that melts the remaining ice layer defines that the comprehensive road surface deicing equipment moves forward when in use, and the thermal deicing device is arranged behind the mechanical deicing device. The deicing margin control device can be used to control the amount of ice removed by the mechanical deicing device, so as to leave a residual ice layer with a set thickness on the road surface, so as to prevent the mechanical deicing device from directly contacting the road surface and causing damage to the road surface or the device Self-damage; and the remaining ice layer can be melted by the thermal deicing device arranged at the rear of the mechanical deicing device, so as to achieve the purpose of no ice layer remaining. The contradiction between high deicing efficiency and energy saving.

The invention provides a power transmission line icing growth forecasting method based on an atmospheric numerical model. The power transmission line icing growth forecasting method comprises the steps of: utilizing WRF to obtain data including near-surface wind speed Vi and near-surface temperature Ti of a forecasting region, rainfall Ri within a forecasting time period, terrain height H and wind direction alpha of a power transmission line at each moment; and calculating to obtain icing increment delta Li of the line section at the corresponding moment according to a formula. By adopting the power transmission line icing growth forecasting method, the line icing growth trend can be forecasted accurately; the operability is high and data sources are rich; the forecasting accuracy is high, refined icing numerical forecasting can be made for different microtopographic regions, and resolution can be adjusted according to microtopographic size and microtopographic scope; and the power transmission line icing growth forecasting method can be used for instructing power transmission line operating personnel to perform power grid ice melting and removing operations accurately, ensuring safe and stable operation of the power grid, effectively increasing ice removing efficiency, optimizing resource allocation, and reducing the loss of the power transmission line caused by ice disaster of the power grid.

The present invention relates to the technical field of vehicle deicing, in particular to a deicing subsystem, a deicing system and a deicing method, including a near-infrared light emitting device, an icing detector and a controller, a near-infrared light emitting device, an icing detection Both the sensor and the controller are set on the rail vehicle, and the near-infrared light emitting device is aimed at the deicing position on the rail vehicle. The ice detector is used to detect the thickness of the ice and compare it with the set value. The switch signal is sent by the device, and the controller is used to control the switch of the near-infrared light emitting device. The system is based on the near-infrared light coating on the rail vehicle. When the de-icing opening condition is met, an opening signal is sent to the near-infrared light emitting device installed above the foundation brake device, so that the near-infrared light emitting device is turned on. The near-infrared light irradiates the surface of the near-infrared light coating through the ice and snow layer to rapidly generate heat, so that the ice and snow layer is easily removed from the coating surface under the action of vehicle vibration and external wind.

The invention relates to an anti-icing and deicing device and method for wings and emages of a turbo-prop aircraft, the device comprises a system close loop, a TKS fluid reservoir heating loop, an anti-icing and deicing heat transfer loop heat pipe, a distributed loop heat pipe and a TKS deicing mechanism, wherein the system close loop, the TKS fluid reservoir heating loop and a heat transfer loopshare a set of heat transfer evaporator (1), in an anti-icing state, the TKS fluid reservoir heating loop, the anti-icing and deicing heat transfer loop heat pipe and the distributed loop heat pipe work; in a deicing state, the TKS deicing mechanism works. Compared with the prior art, the TKS system deicing efficiency is improved greatly, the icing phenomena of the wings and the emages are reduced, the flight stability of the aircraft is ensured, and the system safety is reliable; waste heat of an exhaust pipe is taken as a heat source, and the energy comprehensive utilization ratio of a single turbo-prop aircraft is improved.

The invention discloses a method for realizing ice melting in a distribution network by making an active ring current with flexible multi-state switches. The method comprises: selecting an ice-meltingtarget line; reconstructing a distribution network through a distribution network communication switch and reconstructing the ice-melting target line into an ice-melting ring network path; setting working modes of flexible multi-state switches; to be specific, setting a flexible multi-state switch at the ice-melting target line side to work in a PQ mode and a flexible multi-state switch at a non-ice-melting communication line side to work in a direct-current constant-voltage control mode; and calculating an active power P of the ice-melting line based on an ice-melting current needed by the ice-melting target line, using the P as an active power reference value of the flexible multi-state switch at the side, starting the flexible multi-state switches at the two sides, and adjusting voltage phases of the flexible multi-state switches, and generating an active power flow in positive correlation with a phase difference value. Therefore, problems of complicated line outage operation and the short-circuiting procedures melting efficiency and the limited length of the ice-melting line during the ice melting of the transmission line in the prior art can be solved.

The invention relates to an emission detonation cartridge for removing ice on a power transmission line for changing the current method for manually removing the ice on the power transmission line and a tower and high energy consumption of short-circuit current deicing and improving the efficiency and the safety of deicing operation on the power transmission line and the tower, and belongs to thetechnical field of explosive charging. The emission detonation cartridge comprises a rectifying shield, an outer pipe, an inner pipe, a charge, delay powder and an emission device, wherein the emission device comprises emission powder, a plugging cover and a spray pipe; the delay powder is filled in the hollow cylindrical cavity of the outer pipe; the charge is placed in the cylindrical cavity ofthe inner pipe, and the inner pipe is freely arranged in the cavity of the outer pipe and positioned on the delay powder; and the top of the outer pipe is provided with the rectifying shield, and therectifying shield is fixedly connected with the outer pipe and the inner pipe. The emission detonation cartridge removes the ice on the power transmission line and the tower, replaces manual deicing,ensures the safety of various power transmission facilities in equipment such as the power transmission line and the tower and the like, and improves the efficiency of the deicing operation on the power transmission line and the tower so that the power transmission line and the tower are safe.

The invention discloses a railway tunnel deicing device. The railway tunnel deicing device comprises a deicing device body. Hooks are uniformly fixed to the upper surface of the deicing device body. An inner cavity of the deicing device body is provided with a salt water storage tank. The bottom end of the salt water storage tank is connected with one end of a circulating pump through a connecting pipe, and the other end of the circulating pump is connected with the top end of an atomization device. The left end of the atomization device is connected with a salt water connecting pipe through a connecting pipe. An atomization head is further connected to the salt water connecting pipe through a connecting pipe. The inner cavity of the deicing device body is further provided with a heating device. The heating device is connected with one end of an air blower through a connecting pipe, and the other end of the air blower extends to the outside of the deicing device body through a connecting pipe. A hot air connecting pipe is connected to the right end of the heating device through a connecting pipe. An air outlet nozzle is further connected to the hot air connecting pipe through a connecting pipe. The railway tunnel deicing device is simple in structure and higher in practicability.

The invention relates to a special arc-shaped cable deicing hammer. A hammer body consists of a vertical section and an arc-shaped section. The cross sections of the hammer body are square. An included angle formed by the internal sides of the arc-shaped section is a half circumference angle. The diameter of the half circumference angle is larger than the diameter of a cable. A plurality of cones are fixed at the top of the vertical section. A handle is fixed at the vertical section of the arc-shaped section. Compared with the existing striking hammer, since the original cable tangent striking point is increased to a circumferential striking surface, the special arc-shaped cable deicing hammer has the characteristics of high deicing efficiency, unique structure, convenience in use and high practicability.

The invention relates to the field of ultrasonic application and deicing methods, in particular to a low energy consumption rapid detection and deicing method based on ultrasonic waves. The low energyconsumption rapid detection and deicing method comprises the steps that firstly, an electrothermal method combined with a rapid temperature technology is used for heating the surface of a structure to be -10 DEG C, so that the bonding strength of covering ice is reduced to hundreds of KPa, then an ultrasonic excitation module is turned on, horizontal shear SH waves and lamb waves generated by theultrasonic waves traveling through an ice-covered region are utilized, and speed difference is generated between the covering ice and a base plate interface to form a shear force to cause the covering ice to fall off; and meanwhile, the ultrasonic excitation module can be applied to remote detection of ultrasonic ice accumulation based on the phased array technology, and ice accumulation on the surface of the structure is monitored by collecting feedback ultrasonic signals. The low energy consumption rapid detection and deicing method based on the ultrasonic waves has the advantages of low energy consumption, good deicing effect and no influence on the aerodynamic shape of the surface of the structure.

The invention discloses a deicing tackle for a power transmission line. The deicing tackle comprises a support rack and travelling pulleys. The support rack comprises two vertical rods, an upper transverse rod and a lower transverse rod. The end of the upper transverse rod is provided with a drive mechanical and a knocking mechanism. The knocking mechanism comprises a connecting rod and columnar ice hammers, and grooves are formed in the surfaces of the ice hammers. A hook is arranged at the upper end of each vertical rod. Each hook comprises a first vertical plate, a first horizontal plate, a second vertical plate, a second horizontal plate and an oblique plate, an arc-shaped plate is arranged at the lower end of the first vertical plate, a self-sealing mechanism is arranged above the arc-shaped plate and comprises a pull rod, a spring and a pull rod limit block, a pull ring is arranged at the top end of the pull rod, a limit pin is arranged on the pull rod, and the spring sleeves the pull rod. The deicing tackle has the advantages that ice coating the surfaces of wires can be eliminated comprehensively by the ice hammers with the grooves, the pull rods and the springs can be replaced fast after the limit pins are removed, and the problems of part aging and poor sealing effect after long-term use are solved.

The invention discloses a power industry cable deicing device. The device includes an installation rack sleeving the outside of a cable; the two ends of the installation rack are respectively and symmetrically provided with walking devices and tensioning devices; three rotating racks are coaxially and rotatably installed inside the installation rack in the length direction of the cable; the centers of the rotating racks are provided with through holes for the cable to pass through; a rotating device for driving the rotating racks to rotate is also installed inside the installation rack; one ends of the rotating racks are provided with multiple installation grooves facing toward the cable in a circumferential array manner; deicing cutters are clamped in the installation grooves; and the distances between the deicing cutters successively arranged on the three rotating racks and the cable are successively shortened in a movement direction. The device has beneficial effects of being high in ice layer removing efficiency and excellent in deicing effect, and can effectively prevent the deicing cutters from clamping and effectively discharge ice chips.

The invention discloses a deicing robot control system integrating mechanical deicing and thermal deicing, relates to the technical field of protection equipment for overhead power transmission cables, and solves the problem of high temperature generated by the existing thermal deicing mechanism due to continuous heat generation. The problem of internal damage includes the communication module, the conversion controller installed on the deicing robot, the battery, and the stepper motor that drives the thermal deicing mechanism for deicing. The thermal deicing mechanism is equipped with a U-shaped heating plate and a U-shaped The relay electrically connected to the U-shaped heating plate and the temperature sensor installed on the U-shaped heating plate, the U-shaped heating plate is arranged circumferentially around the transmission line, and the thermal deicing mechanism controls the closing of the relay by the conversion controller to provide heat for the U-shaped heating plate , by implementing the technical solution, the temperature of the U-shaped heating plate arranged circumferentially around the transmission line can be controlled within the set temperature range, and the thermal deicing mechanism can be prevented from causing damage to the interior of the transmission line due to continuous heat generation.

The invention discloses a light-gathering heat-gathering de-icing device. A light-gathering heat-gathering panel (2) supported through a hydraulic mechanism (6) is fixedly installed on a moving mechanism (7). The light-gathering heat-gathering panel (2) is connected with at least two high-energy photon lamps (1). The hydraulic mechanism (6) and the moving mechanism (7) are in parallel connection with a controller (5). The controller (5) and a heat dissipation component (3) are in parallel connection with a power source component (4). The light-gathering heat-gathering de-icing device is simple in structure and light and facilitates mobile operation; ice removal of power transformation devices of various voltage grades can be achieved; direct heating is performed, electrified ice removal is achieved, and the de-icing safety level is improved; energy consumption is small, and energy use efficiency is improved; mechanical injury of the power transformation devices can be effectively avoided; the focusing light spot radius is adjustable, so that large-area ice removal is achieved, and de-icing efficiency is improved.

The invention discloses a composite ice-removing and water-removing cutter for a high-voltage transmission line deicing robot. The composite ice-removing and water-removing cutter comprises a cylindrical cutter holder and a cylindrical hub motor, wherein the inner wall of the cutter holder is provided with a ridge along the length direction thereof; the surface of the corresponding hub motor is provided with a groove along the length direction thereof; the cutter holder sleeves the hub motor; a flexible brush, an elastic rubber cutter and a rigid ice-removing cutter are fixed to the surface ofthe cutter holder along the length direction of the cutter holder; and the inner ring of the hub motor is fixed to the connecting rod of the high-voltage transmission line deicing robot. The cutter can simultaneously remove water and ice on the transmission line, and can avoid serious freezing of the line.