72results about How to "Avoid refreezing" patented technology

An air conditioning apparatus includes a defrosting flow channel mechanism. The air conditioning apparatus performs an air-warming defrost operation in which refrigerant sent from an indoor heat exchanger to an outdoor heat exchanger is evaporated while defrosting an arbitrarily selected heat exchange path using the defrosting flow channel mechanism. In the defrost operation, the refrigerant sent to the outdoor heat exchanger from the indoor heat exchanger is not channeled into the refrigerant flow diverter but is passed through the arbitrarily selected heat exchange path from the gas-side end to the liquid-side end of the arbitrarily selected heat exchange path, and the refrigerant passed through the arbitrarily selected heat exchange path flows through the refrigerant flow diverter to be passed through other heat exchange paths other than the arbitrarily selected heat exchange path from the liquid-side end to the gas-side end of the other heat exchange paths.

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.

A method and an apparatus for machining an object using titled laser scanning are provided to scribe an object efficiently by scanning a laser beam to the object at an angle by moving the laser beam using a scanner or polygon mirror. CONSTITUTION: A method for machining an object using titled laser scanning comprises the steps of: scanning a laser beam and irradiating an object with the laser beam at an angle by moving the object so that the corresponding surface of the object is reformed.

The invention relates to a power transmission line deicing device, which comprises a shell, a wire inlet channel penetrating through the shell, and ice breakers arranged in the shell and perpendicularto the wire inlet channel and distributed on the upper side and the lower side of the wire inlet channel. Each ice breaker comprises a rotary disc rotationally arranged on the shell, a connecting rod, a first guide rail, a second guide rail communicated with the first guide rail, a push block arranged in the first guide rail and matched with the first guide rail, and an ice knife arranged in thesecond guide rail and matched with the second guide rail, wherein one end of the connecting rod is rotationally connected to a disc body of the rotary disc, the other end of the connecting rod is hinged to the push block, the other end of the push block is connected with the ice knife, and the rotary disc is driven by a first motor. The power transmission line deicing device can effectively deicea power transmission line.

The invention discloses a pavement drying device for road engineering construction. The invention relates to the technical field of road construction. The pavement drying device for road engineering construction comprises a construction box; a square groove is formed in the lower end of the construction box; the square groove is in a rectangular groove shape; a rotating shaft is arranged on a rearend bearing inner shaft in the holes in the front and rear side wall surfaces in the square groove; the rotating shaft is circular; a snow shoveling plate is arranged on the outer side wall surface of the rotating shaft; the snow shoveling plate is in a rectangular plate shape; a shovel head is arranged at the left end of the snow shoveling plate. According to the invention, when the constructionbox runs through the shovel head and the snow shoveling plate, accumulated snow on the ground is shoveled up; a motor at the upper end of the construction box is started; at the moment, the motor enables a screw rod to rotate through a gear on the outer side wall face of the second rotating shaft and a gear on the outer side wall face of the screw rod; at the moment, the lower end of the screw rod conveys accumulated snow to the upper end of the interior of the conveying box through the conveying box after the shovel head shovels the accumulated snow, and therefore the screw rod achieves theautomatic snow removing effect.

The invention discloses an energy-saving air source heat pump unit which comprises a heat pump body, a rack, coil pipe supports and coil pipes. The heat pump body is installed on the rack, two transverse shafts are distributed symmetrically about the center line of a transverse plate, a sliding ring is slidably connected to a sliding rod, and the sliding rod and a reciprocating lead screw are installed on the front side and the rear side of the rack correspondingly. A lantern ring is in threaded connection with the reciprocating lead screw, the reciprocating lead screw is rotationally installed on the side of the rack, a motor shaft connected with a motor is installed on the rack, the motor shaft is connected with the reciprocating lead screw, and cleaning cotton is installed on the transverse shafts. According to the energy-saving air source heat pump unit, synchronous defrosting operation can be conducted on the coil pipes in two heat pumps in the unit, ascending-descending rolling defrosting of the cleaning cotton and hot air conveying for blowing drying are achieved at the same time through the same power, the possibility that a frost layer is frozen again after being melted iscompletely avoided, the overall heating effect of the heat pumps is improved, and the unit is more energy-saving and environment-friendly.

The invention discloses an idling system. The idling system comprises a fuel reaction stack, a fuel supply pipeline, an oxidant supply pipeline and a controller. The fuel supply pipeline is configuredto transmit fuel to the anode of the fuel reaction stack; the oxidant supply pipeline is configured to transmit an oxidizing agent to the cathode of the fuel reaction stack; the oxidant supply pipeline comprises an air compressor and an injector, the injector is configured to inject the oxidizing agent into the cathode of the fuel reaction stack; and the cathode of the fuel reaction stack is provided with a circulating pipeline, and the circulating pipeline can allow the gases discharged from the cathode to enter the inlet side of the cathode again. The present invention further provides a control method of an idling system. The output power of the fuel cell can be reduced through reduction of the concentration of the oxidizing agent, and the utilization efficiency of the fuel and the vehicle safety can be improved so as to improve the whole performances of the vehicle.

A safe deicing device for roads and bridges Includes a brine tank, a Hydraulic cylinder, a first electric heating wire, a water Pump and motors, A material inlet is arrange on that brine tank, a transverse plate is fixedly connected to the front side wall of the brine tank, the hydraulic cylinder is fixedly connected to the bottom of the free end of the cross plate, A sleeve is connected to the end of the piston rod of the hydraulic cylinder, A first electric heating wire is arranged in the sleeve, The water pump is fixedly arranged on the front side wall of the brine tank, the water inlet pipe of the water pump extends into the brine tank through the brine tank, the water outlet pipe of the water pump is provided with a spray head facing the ground, the motor is fixedly arranged on the outer wall of the brine tank, the output shaft of the motor extends into the brine tank through the brine tank, and the lower end of the output shaft is provided with a stirring part. The safe deicing device for roads and bridges solves the technical problems that the existing deicing device is destructive to the pavement and the deicing speed is slow; the deicing effect of the safe deicing devicefor roads and bridges is high, and the operation is simple.

The invention relates to a belt deicing device, comprising a box body; one belt hole is formed in each of two sides of the box body; the two belt holes allow a belt to horizontally penetrate through the box body; the box body is internally successively provided with an ice breaking wheel, a first elastic press roll, a deicing wheel, a second elastic press roll and an ice residue sweeper along the belt introducing direction; the first elastic press roll and the second elastic press roll are positioned at the same height and contact with the upper surface of the belt; the ice breaking wheel, the deicing wheel and the ice residue sweeper contact with the lower surface of the belt. The ice breaking wheel and the ice residue sweeper are positioned at the same height and the deicing wheel is higher than the ice breaking wheel and the ice residue sweeper. The belt deicing device can fast clean an ice layer accumulated at the surface of the belt when a conveyor works in winter.

The invention discloses a deicing robot. The deicing robot comprises a control module, a moving module, a thermal deicing module arranged on the moving module and a control module, and the moving module and the thermal deicing module are connected with the control module. The thermal deicing module comprises heating units and a first supporting piece, one end of the first supporting piece is connected with one heating unit, the other end of the first supporting piece is connected with the moving module, a heating space is defined by at least two heating units, and the icing power transmissionline is located in the heating space and does not make contact with the heating units; the control module comprises a power supply unit, a motor unit, a sensor unit and a control unit; and the controlmodule is used for determining icing thickness information according to the data collected by the sensor unit, driving the first supporting piece to move the heating unit according to the icing thickness information so as to adjust the size of the heating space, and controlling the moving speed and the moving direction of the moving module. The deicing robot provided by the invention can realizedeicing of an ice layer tightly combined with the power transmission line.

The invention relates to the technical field of railway cleaning tools, in particular to a deicing mechanism and a rail deicing vehicle for rail transit. The rail deicing vehicle comprises a vehicle frame, and a power mechanism is arranged on the vehicle frame and used for driving the vehicle frame to travel on a rail; wheels which are installed below the vehicle frame through wheel shafts and shaft sleeves, the deicing mechanisms are arranged on the two sides of the wheels at the front end of the vehicle frame respectively, and the deicing mechanisms can remove ice covering the rail when thewheels roll along the rail; and a salt spreading mechanism which is arranged on the upper end surface of the frame, and the salt spreading mechanism can intermittently spread salt to the rail and cangrind caked industrial salt, so that the deicing efficiency is improved, and the utilization rate of the industrial salt is increased.

The invention discloses an overwater floating type photovoltaic power generation device capable of preventing water organisms from winding and icing in the technical field of photovoltaics, and the device comprises a photovoltaic module; a water diversion assembly which comprises a water diversion cylinder fixedly arranged at the bottom of the bearing bracket; a rotating wheel frame which is movably inserted into the side wall of the base table; according to the device, the water area below the photovoltaic module is enabled to flow through a regular drainage mode, the problem that the photovoltaic module is wound due to random growth and is difficult to clean is avoided, the iced water surface is broken, the water surface around the photovoltaic module is kept in a flowing state, and theproblem of icing again is avoided; the reversing assembly makes contact with the gear shaft on the rotating rod, then the positions of the water pressing plate and the ice breaking plate are driven tobe exchanged, water waves flowing towards the photovoltaic assembly can be counteracted, it is avoided that the peripheral water waves generate acting force on the photovoltaic assembly, the stability of the photovoltaic assembly is reduced, and the problem that the photovoltaic assembly floats on the water surface is solved through synchronous fusion. And the service life of the photovoltaic module is prolonged.

The invention relates to the technical field of railway cleaning tools, and particularly relates to a rail deicing vehicle for rail transit. The vehicle comprises a vehicle frame, a power mechanism isarranged on the vehicle frame, and the power mechanism is used for driving the vehicle frame to run on a rail; wheels are included and are installed below the vehicle frame through wheel shafts and shaft sleeves, deicing mechanisms are included and are arranged on the two sides of the wheels at the front end of the vehicle frame respectively, and the deicing mechanisms can remove ice covering therail when the wheels roll along the rail; and a salt spreading mechanism is included and is arranged on the upper end surface of the vehicle frame, and the salt spreading mechanism can intermittentlyspread salt to the rail and can grind caked industrial salt so that the deicing efficiency is improved, and the utilization rate of the industrial salt is increased.

The invention relates to the technical field of photoelectric cable deicing, and discloses photoelectric cable winter deicing equipment. The equipment comprises an equipment body, a mounting block isarranged in the equipment body, a connecting block is movably connected to the outer side of the mounting block, a mounting circular ring is movably connected to the end, away from the mounting block,of the connecting block, and a driving shaft center is arranged in the mounting circular ring. A salt storage circular ring is movably connected to the outer side of the driving shaft center, a saltoutlet pipeline is movably connected to the outer side of the salt storage circular ring, and a shaft rod is movably connected to the outer side of the driving shaft center. According to the deicing equipment for the photoelectric cable in winter, the salt storage circular ring is synchronously driven to start to rotate through rotation of the driving axis, and industrial salt in the salt storagecircular ring is sprayed out of the salt outlet pipeline and scattered to the surface of the photoelectric cable main body based on the reason of centrifugal force; therefore, the deicing knife can deice the photoelectric cable main body more easily and quickly, and after the photoelectric cable main body is deiced, scattered industrial salt can also prevent the photoelectric cable main body frombeing frozen again.

The invention discloses anti-freezing and deicing equipment for a front of a hydraulic structure. The equipment comprises two sets of submersible pumps and a control system, wherein the output ends ofthe submersible pumps communicate with telescopic elastic water pipes, a water conveying pipe communicates between the two telescopic elastic water pipes through a flange joint, water spraying holesare formed in the top of the water conveying pipe; a first suspension floating body is arranged above the water conveying pipe, a first steel wire rope is fixedly connected to the bottom of the firstsuspension floating body, and a spring vibrator is fixedly connected between the first steel wire rope and the water conveying pipe. The invention relates to the technical field of hydraulic structures. According to the anti-freezing and deicing equipment for the front of the hydraulic structure, by arranging the two submersible pumps and utilizing the cooperation of the water conveying pipe withthe water spraying holes as well as the temperature difference between lower-layer water in the water storage area and an ice layer, the submersible pumps pump deep-layer water in the water storage area to pressurize and convey water to the water conveying pipe, and the pressurized water is sprayed to an ice surface through the small holes to melt the ice layer and continuously form turbulence, sothat water surface is prevented from icing again, and the purpose of protecting the hydraulic structure is achieved.

The invention discloses an air conditioner humidifying anti-freezing system. A humidifying water tank, a heat exchanging device, installing grooves, a fixed support, a driving motor, a transmission shaft, fan blades, a fixed frame, a heating pipe, a through hole, a fixed bolt, a threaded hole and a clamping groove are included; the heat exchanging device is arranged on the outer side of the humidifying water tank; and the installing grooves are correspondingly formed in the two sides of the top end plate surface in the humidifying water tank. The air conditioner humidifying anti-freezing system is scientific and reasonable in structure and safe and convenient to use; at the instant when an air conditioner air supply system is started up in winter or under the situation that the whole workshop suspends production, freeing of circulating water of a humidifying segment is usually caused during reuse, at the moment, the heating pipe and the driving motor are started, the driving motor drives the fan blades to rotate through the transmission shaft, the fan blades are used for blowing air heated by the heating pipe into the humidifying water tank, and therefore the unfreezing speed of the circulating water of a humidifying segment is increased; and the heating pipe is located in the fixed frame, and the fixed frame can be disassembled through a clamping block and the clamping groove,so that the heating pipe can be conveniently maintained.

The invention discloses an anti-freezing device for well water in a high cold area by using high-pressure gas interference. The anti-freezing device comprises a water well body, a water suction pump,a water suction pipe, a gas pipe and a high-pressure gas pump, wherein the water suction pump is arranged in the water well body, the water suction pipe is arranged at the upper end of the water suction pump, the gas pipe is inserted into the water well body, a high-pressure gas storage tank is connected to one end of the gas pipe, the high-pressure gas storage tank is connected with the high-pressure gas pump, the high-pressure gas pump is connected with a diesel generator, and a pipeline heater is installed on the gas pipe. According to the anti-freezing device, high-pressure gas is injectedinto the water well body by arranging the high-pressure gas pump, high-pressure bubbles are formed in water body, and are heated by the pipeline heater, so that the high-temperature and high-pressurebubbles are seethed in the water body, and the problem of water freezing of the water body in the water well body is effectively reduced.