46results about How to "Fast deicing" patented technology

The invention discloses a magnetically-driven rotary deicing device of a deicing robot for overhead high-voltage transmission lines. Magnetic fields around high-voltage current act on an energized line to produce ampere force to drive the deicing device of the robot to rotate; the deicing device comprises two magnetic cores which are identical in structure, can be opened and closed and can be in central symmetry about the high-voltage line after being closed, and the deicing device comprises the magnetic cores and winding rectangular coils. Thus, the deicing device has the advantages as follows: 1, the deicing device of the robot can rotate due to the magnetic drive rotation toque, a traditional method that motors drive mechanisms to rotate is broken through, and problems that the robot is heavy due to multiple motors and the like are effectively solved; 2, the deicing speed of the deicing robot for the overhead high-voltage transmission lines can be increased; 3, different from the existing magnetic pole type drive principle, the device produces ampere force drive for energized coils by using magnetic fields around the high-voltage lines, and the design is novel; 4, the deicing device is small in size, light in weight and low in production cost.

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 heat pump system based on an open type cold water solidification heat exchanger. The heat pump system comprises a refrigerant circulation loop, a heating circulation loop, acondenser and an evaporator. The heat pump system is characterized in that the heat pump system further comprises a cold water pipeline, a refrigerant heat exchange circulation loop, the open type cold water solidification heat exchanger, a deicing loop and a deicing heat exchanger; the cold water pipeline carries out heat exchange with the refrigerant heat exchange circulation loop through the open type cold water solidification heat exchanger; the refrigerant heat exchange circulation loop carries out heat exchange with the refrigerant circulation loop through the evaporator; the deicing loop carries out heat exchange with the heating circulation loop through the deicing heat exchanger; a heated refrigerant deices for the open type cold water solidification heat exchanger; and the inletend of a circulation water channel of the condenser communicates with a first pipeline and the outlet end of a circulation water channel in the deicing heat exchanger at the same time. With the adoption of a deicing mode combing heating medium ice melting and gravity deicing, the deicing velocity is high, deicing is thorough, power consumption is little, solidification heat of cold water is continuously extracted and is supplied into a room, and long-term, efficient and stable operation of a unit can be ensured.

The invention belongs to the technical field of methods for removing ice coated on a lead, and discloses a method for deicing by using a power circuit deicing device. The device is mainly and technically characterized by comprising a mount point cleaning mechanism and a deicing mechanism, wherein the mount point cleaning mechanism comprises two mount point cleaning hammers and a connecting rope, and an arc hanging rope is connected below each mount point cleaning hammer; the deicing mechanism comprises a following tackle and a deicing barrel, wherein a hanging bracket is arranged at a position close to the middle part in the deicing barrel, a pull rope which can bypass the following tackle is fixedly arranged on the hanging bracket, and a hanging end of the following tackle is connected with the arc hanging rope of one mount point cleaning hammer; the method comprises the steps that: firstly, ice coated on a mount point can be removed by using the mount point cleaning hammers; secondly, a running wheel of the following tackle is hung on the mount point, and the coated ice is forcefully impacted by using the deicing barrel, so that the deicing area is large, and the deicing speed is fast; and the mount point, the connecting rope, the deicing barrel and the like can be conveniently carried, all operations can be finished by an operator on the ground, and the safety factor is high.

The invention discloses a pull-type high voltage cable deicing hammer and relates to a cable deicing device. One end of a sheave shaft of a front sheave (21) and one end of a sheave shaft of a rear sheave (1) are connected to one sides of the upper ends of two board bodies of a board shaped like an inverted right-angled h, one end of a hammer handle (15) is connected with one side of the board body at the lower end of the board through a hammer handle positioning shaft, a spring positioning rod (19) is fixed on the front corner of the board, the two ends of a spring (17) are connected with the middle of the spring positioning rod and the hammer handle respectively, the other end of the hammer handle is provided with a hammer body (13), semicircular grooves (14) are formed in the upper face of the hammer body at intervals, and the upper end of a hauling cable (23) is connected with the middle of the hammer handle. The pull-type high voltage cable deicing hammer walks on a high voltage cable through the front sheave and the rear sheave, a person under a pole pulls the hauling cable with a hand to remove ice on the high voltage cable, and the purpose of rapid deicing is achieved.

The invention discloses a high-voltage line electrified deicing inspection robot, belongs to the technical field of electric deicing, and solves the problems that the angle of a deicing robot device of an existing device is inconvenient to adjust, and the deicing efficiency is reduced. The high-voltage line deicing device is characterized by comprising a base and a supporting arm, wherein the supporting arm is fixedly installed on the base, a lifting assembly used for fixing a high-voltage line is arranged on the supporting arm, a deicing mechanism is arranged on the base, and a displacement mechanism used for adjusting the position of the deicing mechanism is arranged between the deicing mechanism and the base. According to the high-voltage line electrified deicing inspection robot disclosed in the embodiment of the invention, the anti-falling assembly is arranged; due to the arrangement of the anti-falling assembly, limiting of the clamping arm is achieved; therefore, the phenomenonthat the high-voltage line falls off in the clamping process of the high-voltage line is prevented, smooth deicing is guaranteed, the deicing efficiency is improved, meanwhile, the position of the deicing mechanism is flexible and adjustable, the deicing speed is increased, the inclination angle of the clamping ring is convenient to adjust, and the deicing range is further expanded.

The invention discloses an ice melting agent for deicing of an electric pole, and a preparation method thereof, belonging to the technical field of deicing of electric poles. The ice melting agent isprepared from the following components by weight: 2-5 parts of multi-walled carbon nanotubes, 5-10 parts of modified epoxy resin, 28-33 parts of carbamide, 15-20 parts of sodium acetate, 20-25 parts of 1,2-propanediol, 22-28 parts of glycerol, 6-10 parts of a stripping agent, 4-8 parts of a corrosion inhibitor and 35-40 parts of water. According to the invention, epoxy resin is modified and then compounded with the multi-walled carbon nanotubes, and substances such as carbamide, sodium acetate, the stripping agent and the corrosion inhibitor are added; through the synergistic effect of each component, the prepared solid granular ice-melting agent has remarkable ice melting effect, forms a protective film on the surface of the electric pole to prevent the surface of the electric pole from freezing again, suppresses the adhesion between an ice surface and the surface of the electric pole, improves deicing efficiency, and has small damage to roads, the electric pole and the like. When a freezing point reaches -43 DEG C, the ice melting agent can dissolve ice within 224 s or even shorter time, and has good anti-adhesion properties; it only takes 163 s for disconnection of ice cubes from the surface of a test piece; so the ice melting agent has excellent comprehensive performance.

The invention discloses a comprehensive maintenance device for an electric power line. The device comprises a conveyor dolly, wherein the conveyor dolly is provided with a suspension mechanism used for suspending a to-be-maintained device, a maintenance platform used for maintaining the to-be-maintained device, a de-icing mechanism used for clearing ice on the to-be-maintained device and a dryingmechanism used for drying the de-iced to-be-maintained device, wherein the de-icing mechanism comprises a liquid storage tank and a liquid pump arranged on the conveyor dolly, the liquid storage tankis internally stored with liquid de-icing agent, a water pumping port of the liquid pump is communicated with the liquid de-icing agent in the liquid storage tank through a water inlet pipeline, a water outlet of the liquid pump is communicated with a spraying gun through a water outlet pipeline, the conveyor dolly is provided with a vertical rod, and an upper portion of the vertical rod is provided with a suspension ring for suspending the spraying gun. The device is advantaged in that on one hand, de-icing and maintenance operation can be performed after dismounting devices on the electric power line, on the other hand, the used de-icing agent has advantages of low freezing point, fast de-icing rate in a short time, remarkable de-icing effect and little damage to carbon steels and plants.

The invention discloses an electric automobile waste heat recovery air conditioning system and a control method. The electric automobile waste heat recovery air conditioning system comprises a refrigerant circulation system using R134a, a motor electric control water circulation system using ethylene glycol and water and a branch connecting the refrigerant circulation system and the motor electriccontrol water circulation system. According to the electric automobile heat pump air conditioner system and the control method, the heating energy efficiency ratio of the electric automobile heat pump air conditioner can be increased in the ultralow-temperature environment, the battery pack can be assisted in heating when the electric automobile is started in winter, the deicing efficiency of anexternal heat exchanger during deicing can be improved, and therefore the performance of the whole electric automobile is improved.

The invention relates to the technical field of atmospheric sensor equipment, and discloses an airspeed head structure capable of automatically removing ice. The structure comprises a front main pipe,the front main pipe is movably connected with a rear main pipe through a separable movable joint, the movable joint is movably connected with a fixed pipe, and both the front main pipe and the rear main pipe are fixedly connected with the fixed pipe. According to the airspeed head structure capable of automatically removing ice, after the inner wall of the airspeed head is frozen, ice falls off through proper heating and is discharged from the discharging opening, accumulated water in the speed control pipe is reduced through discharging in the form of ice blocks, the drainage design requirement of the airspeed head is lowered; and the main heating part and the driving part are arranged at the bottom of the airspeed head, so that the arm of force is shortened and the overall pressure of the airspeed head is reduced obviously; in addition, the overall pressure on the airspeed head is remarkably reduced, the overall equipment weight is reduced due to the reduction of the power requirement, the design requirement for the structural strength is further reduced, and the development requirement for light weight and miniaturization of the airspeed head is met.

The invention provides an electric heating deicing method and device of an air temperature type vaporizer and an installation method of the electric heating deicing device, relates to the technical field of electric heating deicing and defrosting, and solves the technical problem of low use efficiency of the air temperature type vaporizer caused by difficult defrosting and deicing of a finned tube in the prior art. According to the electric heating deicing method, a fin type electric heating pipe is installed in an air circulation channel of the air temperature type vaporizer which is prone to frosting and freezing, deicing and defrosting are carried out, the frost eliminating condition is detected through a detection device, the fin type electric heating pipe is controlled to be started and stopped through an electric control device, and the electric heating deicing device comprises a fixing device, the fin type electric heating pipe and the detection device. The installation method comprises the steps of directly installing the electric heating deicing device on the original air temperature type vaporizer. According to the invention, ice accumulation can be detected in time, the deicing effect is obvious, the defrosting and deicing efficiency is high by adopting an electric heating mode, the cost is low, meanwhile, the transformation and installation are convenient, the automation degree is high, the operation and maintenance are convenient and fast, and the application range is wide.

The invention is suitable for the technical field of rail transit, and provides a tunnel deicing machine for rail transit, which comprises a movable seat, a lifting frame, a movable frame and a deicing brush, and also comprises a deicing transmission mechanism for transmission deicing; the turnover transmission mechanism is used for driving the movable frame to turn over; the lifting transmission mechanism is used for driving the lifting frame to lift; and the auxiliary moving mechanism is used for assisting the moving seat to move. According to the tunnel deicing machine for rail transit, the deicing transmission mechanism, the overturning transmission mechanism, the lifting transmission mechanism and the auxiliary moving mechanism are arranged, and through cooperation of the deicing transmission mechanism, the overturning transmission mechanism and the lifting transmission mechanism, the deicing transmission mechanism can conduct deicing work or switch a plurality of deicing brushes to conduct deicing work; therefore, deicing work in different modes can be carried out on different deicing areas, a worker can move and push through the auxiliary moving mechanism and does not need to carry out manual deicing work, the deicing speed is high, and the working efficiency is high.