493 results about "Snow melting" patented technology

The invention relates to the technical field of snow melting disaster early warning, in particular to a snow surface rain disaster identification method based on a high and cold mountainous area and a related product, and the method comprises the steps: constructing a snow surface rain disaster single-point identification rule capable of being physically explained by using meteorological observation data and remote sensing inversion data of a small amount of weather stations in the high and cold mountainous area; the method is advantaged in that classification is carried out without depending on a black box model, precision and interpretability of single-point snow surface rain event discrimination are improved, regional popularization is carried out through dynamic downscaling simulation of a regional climate mode WRF coupling land surface process model Noah-MP, a point-surface fusion snow surface rain disaster discrimination and identification system is constructed, and the method is advantaged in that the method is simple and convenient to operate. The method is suitable for identifying snow rain disasters in complex terrain areas with high and cold areas, high altitude, large gradient, lack of data, even no data and the like, and solves the technical problems of insufficient snow rain disaster space identification capability and low precision caused by sparse observation data in the high and cold mountainous areas in the prior art.

This invention provides a method and application for the comprehensive utilization of chlor-alkali salt mud solid waste to prepare a composite de-icing agent, belonging to the field of comprehensive utilization of solid waste resources and composite material synthesis technology. The invention first prepares a slurry by mixing chlor-alkali salt mud with water. Then, under the action of an acidification aid and an ionic liquid, organic and inorganic acids are added in a single step, followed by precipitation of the composite de-icing agent in an alcohol precipitation solution. The method of this invention achieves a salt mud utilization rate of 86.55-88.85% and an effective component extraction rate of 96.70-99.27%, especially for Ca... 2+ Na + K + Mg 2+ Al 3+ The extraction rates reached 95-99.99%, 99.9%, 99.9%, 85.5-95.0%, and 80.5-90.0%, respectively, and also improved the extraction efficiency of Ca in the solution. 2+ Na + K + Mg 2+ Al 3+ The precipitation rates reached 95.5-99.5%, 75.5-80.5%, 72.5-75.5%, 95.5-99.5%, and 71.5-75.5%, respectively, and the product yield reached 90.80-95.08%. It has broad prospects for snow melting and ice removal in low-temperature environments of -15℃ to -20℃.

The invention relates to a road snow melting device as well as a preparation method and application thereof. The road snow melting device comprises a stable base layer and a thermal resistor, the stable base layer comprises an energy storage body, and the energy storage body can play a structure supporting role; the energy storage body is connected with external electric energy and the thermal resistor through wires. The preparation method of the energy storage body comprises the following steps: preparing cement-based printing slurry; filling the cement-based printing slurry into a 3D printing device, and stacking layer by layer to form a printing body; curing, maintaining, trimming and drying the printing body, and immersing the printing body into a soluble alkali / salt solution to obtain a cement-based electrolyte; a soluble alkali / salt solution is dropwise added to the surface of the electrode, then the electrode and the cement-based electrolyte are stacked and assembled, and an assembly is obtained; sealing and packaging the assembly body to obtain an energy storage body; a printing interlayer interface of the cement-based electrolyte has a directionally arranged pore structure, the pore diameter is 0.5-20 microns, and the porosity is 10-50%; and the hole orientation of the hole structure is consistent with the ion migration direction between the electrodes.

1. The name of the design product: snow melting machine (1L). 2. The use of the design product: food processing equipment for making edible ice and snow (such as smoothie, snow ice, and food decoration ice chips). 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view. 5. The A, B and C parts of the design product are translucent.

The utility model relates to the technical field of snow melting machine water tanks, and discloses a snow melting machine water tank with spring locking mechanisms, which comprises a water tank body, locking mechanisms are arranged on the front side and the rear side of the water tank body, a snow melting machine body is movably connected to the right side of the water tank body, pushing mechanisms are arranged on the front side and the rear side of the water tank body, and each locking mechanism comprises a connecting frame. The connecting frames are fixedly connected to the outer wall of the water tank body, springs are fixedly connected to the inner sides of the connecting frames, connecting blocks are fixedly connected to the bottom ends of the springs, connecting shafts are fixedly connected to the tops of the connecting blocks, and clamping blocks are fixedly connected to the bottoms of the connecting blocks. According to the snow melting machine water tank with the spring locking mechanism, the connector size is accurately matched, the self-positioning and guiding functions are achieved, the butt joint difficulty is greatly reduced through the simple and visual connector design, an operator can rapidly and accurately connect the water tank with a snow melting machine, the installation time is shortened, and the installation efficiency is improved. And the turnover efficiency of the equipment can be improved in the peak period of beverage making, and the timeliness of beverage supply is ensured.

The invention discloses a sediment prediction method and system for oscillation period strategy snow ablation optimization, and the method comprises the steps: obtaining sediment data characteristics, enabling a drainage basin to comprise a plurality of nodes, and calculating the snow melting runoff of each node according to the sediment data characteristics; according to the snow melting runoff of each node, calculating the initial sand production concentration of each node; and constructing a sediment prediction model, inputting sediment characteristic data and corresponding actual sediment concentration to the sediment prediction model to obtain a trained sediment prediction model, inputting real-time sediment data to the trained sediment prediction model, and outputting predicted sediment concentration by the trained sediment prediction model. According to the method, historical sediment data are acquired, and a graph convolutional neural network is constructed for learning complex nonlinear mapping from snow melting-runoff generation to sediment transportation, so that the problems of weak generalization ability and strong data dependence of an existing snow melting period sediment prediction method are solved.

The invention provides a method and system for inverting a degree-day factor based on a snow water equivalent difference value and used for snow melting forecasting, and relates to the technical field of hydrological remote sensing. The method comprises the following steps: firstly, acquiring and unifying multi-source snow water equivalent data and meteorological elements such as air temperature, radiation, wind speed and relative humidity to form a standardized input data set, generating assimilated snow water equivalent by adopting data assimilation fusion, and calculating uncertainty; judging a snow melting process by combining meteorological conditions and uncertainty, calculating a pixel scale daily factor when snow melting is judged, and constructing a space-time database; spatial and temporal features are extracted by using a convolutional neural network and a long short-term memory network, historical sample degree-day factor distribution is obtained based on similarity matching for prediction, the snow melting amount is calculated, and the uncertainty is estimated, so that the snow melting simulation and prediction precision is improved.

The snow melting machine housing structure convenient to clean comprises a housing, a discharging faucet is arranged on the housing, a feeding port is formed in the upper side of the housing, a feeding cover capable of being opened is arranged at the position of the feeding port, an opening is formed in the rear side of the housing, a cover cap is arranged at the position of the opening in the rear side of the housing, and the discharging faucet is arranged on the housing. An ice making column opening is formed in the cover cap, a sealing ring installation groove is formed in the outer side of the cover cap, the front side of the sealing ring installation groove is a front protruding edge, the rear side of the sealing ring installation groove is a cover edge, a sealing ring is arranged on the sealing ring installation groove, and a sealing lip is arranged on the outer side of the sealing ring. The sealing lip abuts against the wall of the opening in the rear side of the housing. The utility model has the beneficial effect of being convenient to clean and has the remarkable advantage of being convenient to clean. The detachable cover cap enables people to clean the interior of the cover shell more easily and thoroughly, dirt and sundries are removed, and the snow melting machine is kept clean and sanitary.

The invention discloses a photovoltaic construction site sensor mounting method, which comprises the following steps that a soil sensor fixedly mounted on a telescopic head of a telescopic A extends into a soil layer, a fixed end of the telescopic A is rotatably mounted on a photovoltaic bracket, and a stretching head of a telescopic piece A and a stretching head of a telescopic piece B are in a maximum stretching state at the moment. When snow-melting flood needs to pass through a soil layer of a beach environment, the telescopic end of the telescopic part A retracts firstly, the soil sensor is vertically lifted to be separated from the soil layer, then the telescopic part B retracts, the telescopic part A is pulled to be rotationally folded on the photovoltaic support, and the soil sensor is placed on the photovoltaic support spaced from the ground after being separated from the soil layer. The problem that when a sensor is buried in a soil layer in a beach environment with snow-melting flood, the sensor is prone to being impacted and damaged by the snow-melting flood is solved.

A snow melting surface to be disposed on an external surface, the snow melting surface including a main body to cover the external surface, a heating coil disposed within at least a portion of the main body to increase a temperature level of the main body in response to the heating coil being turned on, and a liquid collection compartment disposed on at least a portion of main body to store at least one liquid created from melting of frozen precipitation disposed on the main body.

The present application relates to a kind of multi-purpose virtual power plant economy and auxiliary service optimization method, belong to virtual power plant dispatching technical field, including the following steps: considering renewable energy uncertainty, construct virtual power plant economy and auxiliary service joint optimization model;Using the hybrid optimization strategy of fusion improved particle swarm optimization algorithm and snow melting optimizer is solved to joint optimization model, obtains optimal scheduling scheme.The present application realizes the collaborative balance between minimum operating cost and auxiliary service maximization;Optimization method has the advantages of few parameters, convergence fast, high precision, significantly enhances the solving performance of model and the optimization quality of scheduling scheme.

To provide an antenna snow melting device that can simplify the calculation of the power required to melt snow.SOLUTION: An antenna snow melting device 400 attached to an antenna reflector 500 includes an imaging unit 401 that images the antenna reflector 500, a measuring unit 402 that acquires imaging data of the antenna reflector 500 from the imaging unit 401 and measures the snow accretion rate, which indicates the rate of snow accretion per unit area of the antenna surface of the antenna reflector 500, on the basis of the acquired imaging data, and a control unit 403 that controls a heating unit 501 installed on the antenna reflector 500 on the basis of the snow accretion rate of the antenna surface of the antenna reflector 500.SELECTED DRAWING: Figure 13

The utility model discloses an ice scraping mechanism for a snow melting machine, which comprises an ice-making cup and a stirring knife, an ice-making part is formed on the ice-making cup, the inside of the side wall of the ice-making part is hollow, and a refrigerating pipe is arranged in the side wall of the ice-making part; according to the mechanism, the ice making cup is arranged, the refrigerating pipe is arranged in the side wall of the ice making part, smoothie is formed on the inner side wall and the outer side wall of the ice making part through the refrigerating pipe, then the stirring cutter is arranged, and the inner scraper and the outer scraper of the stirring cutter are used for scraping the smoothie on the inner side wall and the smoothie on the outer side wall of the ice making part respectively, so that the ice making and smoothie scraping efficiency is high; the whole structure is practical and reliable; meanwhile, a plurality of connecting blocks are connected with a plurality of connecting grooves in a one-to-one corresponding buckling mode, so that the outer scraper is connected with the inner scraper in a buckling mode, the outer scraper and the inner scraper are detachably connected, and therefore synchronous rotation ice scraping of the outer scraper and the inner scraper is achieved.

The present application relates to the technical field of switch snow melting heating control, and particularly to a railway switch snow melting intelligent control method and system, the method comprising the following steps: obtaining early warning information indicating that a vehicle is about to arrive at a switch, the electric heating element of the switch being divided into a core heating zone and a regular heating zone; based on the early warning information, a first heating mode is executed, the first heating mode concentrating heating power on the core heating zone; the track circuit occupation state of the switch itself is monitored, and the actual occupation duration of the vehicle occupying the track circuit is recorded; after the track circuit occupation state of the switch itself is released, the first heating mode or the second heating mode is terminated; by starting core zone heating in advance based on train early warning information, and switching to core zone and regular zone common heating when the train occupies for a long time, the problem of instantaneous and local secondary freezing caused by train passing is effectively solved.

The utility model discloses a non-chlorine solid snow-melting agent granulating device, and relates to the technical field of snow-melting agents, in particular to a bottom plate, connecting plates are fixedly connected to the positions, close to the two sides, of the top of the bottom plate, and the opposite faces of the two connecting plates are fixedly connected with the same box body. First bearings are fixedly connected to the two sides of the inner wall of the box body, first rotating shafts are rotatably connected to the interiors of the two first bearings, the opposite ends of the two first rotating shafts are fixedly connected with the same stirring rod, a first shell is fixedly connected to one side of the box body, and a third driving motor operates to drive the first shell to rotate. And a third driving motor drives a crank to rotate through a third rotating shaft, a filter plate is driven to slide in a sliding groove under the action of a pin shaft movable rod, the snow melting agent can be conveniently screened, and the practicability of the device is improved.

The application discloses a switch snow state self-adaptive snow melting method combined with image recognition and concretely relates to the technical field of railway switch snow melting control, obtains continuous images of joint seams of snow melting switch, root parts of switch rails and adjacent seamless rail reference areas, environment temperature and working states of snow melting devices; the continuous images are registered according to the geometric boundary of the rail, the joint seam dark band width, the ice surface reflection spot, the snow ridge edge and the melting water texture are extracted, and the image state feature set is formed; the image state feature set is compared with the reference area variation, the joint seam hidden snow bridge state and the thermal response lag level are generated; the residual snow risk sequence of each joint seam section is determined according to the above, the snow melting power and the action time are adjusted in sections; the hidden snow bridge state is updated and corrected through the residual error of the image state feature set after heating, and the snow melting is stopped when the safety condition is met; the application can identify the hidden snow and thin ice in the joint seam, and improve the switch snow melting accuracy and the close reliability.

The utility model relates to the technical field of snow melting machines, and provides a snow melting machine installation support which comprises a charging barrel support arranged on a charging barrel assembly and a driver machine frame used for fixedly installing a driver assembly in a matched mode, and the charging barrel assembly is arranged on a snow melting machine and used for containing and installing an evaporator. The snow melting machine body and / or the charging barrel support are / is detachably connected with the driver rack. According to the snow melting machine, the driver rack is detachably installed on the snow melting machine body, so that the motor is easily detachably installed on the snow melting machine, the motor can be easily disassembled and installed on the snow melting machine at least in the later period when the motor breaks down, and the whole snow melting machine does not need to be disassembled. Besides, before the whole snow melting machine is assembled, the motor can be installed on the driver rack in advance, and then the assembled motor and the driver rack are installed on the snow melting machine body, so that the assembling efficiency of the whole machine is effectively improved.

The utility model provides a heat dissipation system of a snow melting machine, and belongs to the technical field of heat dissipation system structures of snow melting machines. According to the heat dissipation system of the snow melting machine, through the compressor fan and the temperature detector beside the compressor, the design that the air inlet is formed in the side portion of the snow melting machine and the air outlet is formed in the rear portion of the snow melting machine, the problems that in the prior art, when a heat dissipation system of a snow melting machine is in a high-temperature environment, it is difficult to guarantee that the compressor works effectively all the time; and an air outlet of an existing heat dissipation system is formed in the side part of the snow melting machine, so that the snow melting machine is not friendly to a user. A heat dissipation system of a snow melting machine is used for reducing the rising temperature of a refrigerating system in the refrigerating process, for example, shutdown protection caused by temperature rising of a compressor in the high-temperature environment. The heat dissipation system comprises a condenser fan working frequently, a motor fan working frequently, an air inlet allowing external air to enter the snow melting machine, an air outlet allowing air in the snow melting machine to go out, a compressor fan and a temperature detector.

This utility model discloses a de-icing agent preparation system, which includes the following components: a feeding device for transporting de-icing agent material ton bags; a bag breaker for breaking open the de-icing agent material ton bags and releasing de-icing agent particles; a mixing tank for dissolving the de-icing agent particles to obtain a de-icing agent solution; and a storage tank for storing the de-icing agent solution. This utility model integrates multiple subsystems, including the feeding device, bag breaker, mixing tank, and storage tank, to achieve integrated de-icing agent preparation system, making the de-icing agent preparation process more efficient and coordinated, thereby improving the overall performance of the de-icing agent mixing station.

The invention discloses an ice and snow melting direct drinking water purification vehicle, and relates to the technical field of water purification vehicles, the ice and snow melting direct drinking water purification vehicle comprises a truck, a carriage is fixedly arranged on the upper surface of the truck, and double doors are arranged at an opening of the carriage. By arranging the truck and the carriage, a mobile carrier and an integrated working platform are provided for the whole water purification system, and the truck is provided with a cross-country or high-maneuverability chassis, so that the truck can reach remote areas rich in snow sources; the compartment serves as a firm protective shell, heat preservation and anti-corrosion treatment are carried out in the compartment, a stable operation environment is provided for precise water treatment equipment, and double doors on the side face of the compartment facilitate maintenance and overhaul of the equipment. And the snow melting mechanism is used for melting and filtering the collected ice and snow, and the snow melting mechanism is fixedly arranged on the bottom face of the inner cavity of the compartment. By arranging the snow melting mechanism, the snow melting mechanism is a core pretreatment unit of the whole water purification vehicle. The effect of efficiently converting solid ice and snow into liquid water and purifying the liquid water is achieved.

The present application belongs to the field of railway technology, and relates to a turnout area snow melting and deicing device, which comprises a shell, a pressure increasing device, and a driving device connected with the pressure increasing device. The shell comprises a first cavity which is arranged as a sealed cavity. The driving device and the pressure increasing device are arranged in the first cavity. The driving device is provided with at least one gas passage. The gas passage is in communication with the outside of the first cavity at the gas inlet end, and in communication with the inside of the first cavity at the gas outlet end. The air outlet of the pressure increasing device is in communication with the outside of the shell. The driving device drives the pressure increasing device to act. Negative pressure is generated at the air inlet of the pressure increasing device. Under the action of the pressure difference between the inside and outside of the first cavity, the gas outside the first cavity enters the first cavity through the gas passage, is sucked into the pressure increasing device, is compressed in the pressure increasing device, and is sprayed out of the air outlet of the pressure increasing device. The driving device and the pressure increasing device rotate synchronously. The compressed high-pressure air is sprayed out of the air outlet of the pressure increasing device at high speed. The device is convenient to install and use.

To provide a construction method of a water spray-type snow melting device capable of easily adjusting the height of an upper- end surface of a concrete form installed on a construction surface, and an auxiliary form member usable for the same.SOLUTION: Auxiliary form members 12 (1) and 12 (2) are prepared which are respectively attached to the upper-end parts of buried form members 10 (1) and 10 (2) are used as the upper-end parts of concrete forms 18 (1) and 18 (2), and can adjust the heights of the upper-end surfaces 18a (1) and 18a (2) of the concrete forms 18 (1) and 18 (2) by adjusting the attachment heights with respect to the buried form members 10 (1) and 10 (2). The mounting height of the auxiliary form members 12 (1), 12 (2) to the buried form members 10 (1), 10 (2) is adjusted in an installation step K12 of the concrete form or the like, and the heights of the upper-end face 18a (1), 18a (2) are matched with the nozzle 40b.SELECTED DRAWING: Figure 7

The objective is to provide a snow-melting nozzle clogging improvement tool and method that have a simple structure, exhibit excellent performance in improving clogging, and offer excellent workability. [Solution] A snow melting nozzle clogging improvement tool for improving clogging of water spray holes 21 formed in a snow melting nozzle 20 embedded in the road surface, the tool having a contact portion 1 that comes into contact with the water spray hole forming surface 20a of the snow melting nozzle 20, the contact portion 1 being configured to generate impact or vibration, and the contact portion 1 being made of an elastic material, the tool being configured to improve clogging of the water spray holes 21 by bringing the contact portion 1 into contact with the water spray hole forming surface 20a of the snow melting nozzle 20 and continuously applying impact or vibration.

The utility model belongs to the field of highway engineering snow removal, and provides a highway engineering maintenance snow remover which comprises a structural component, a structural part, a lifting part arranged on one side of the structural part, an adjusting part arranged on one side of the lifting part and a snow melting part arranged on one side of the structural part. The structural part comprises a mounting plate and a mounting frame slidably arranged on one side of the mounting plate through a lifting part, the adjusting part is arranged on one side of the mounting frame, the structural part further comprises a snow removing scraper knife hinged to one side of the adjusting part, and the snow removing scraper knife is of an arc-shaped plate structure; according to the snow removing device, the height and the gradient of the snow removing scraper knife can be conveniently adjusted in real time through the lifting part and the adjusting part arranged on one side of the lifting part, adjustment treatment can be conveniently conducted according to the thickness of accumulated snow on the road surface, and the snow removing effect of the device is improved; and meanwhile, a snow melting agent and the like can be conveniently poured into the road surface after the snow is shoveled through the arranged snow melting piece, and the snow removing effect of the device is further improved.

The utility model discloses a snow melting machine, belongs to ice drink making equipment, and aims to solve the problem that condensed water generated in the internal space of a machine body of the conventional snow melting machine is difficult to clean. The snow melting machine is provided with a water collecting box for collecting and guiding the condensed water from the outer wall of a charging barrel; moreover, the water collecting box, the bottom plate, the front panel, the rear cover, the left cover and the right cover define an internal space, and the bottom side of the water collecting box is exposed in the internal space, so that positions where condensate water is easy to generate are concentrated in the water collecting box, the upper side surface and the lower side surface of the water collecting box are exposed, and the compressor is arranged below the water collecting box; condensed water condensed on the upper side surface of the water collecting box is easily guided, and condensed water condensed on the lower side surface of the water collecting box is also beneficial to being evaporated by heat generated when the compressor in the internal space works. Moreover, the upper side surface and the lower side surface of the water collecting box are convenient to touch and wipe, and cleanness is guaranteed.

The snow melting machine comprises a machine body, the machine body is provided with a transversely-arranged ice making assembly and a material barrel detachably arranged outside the ice making assembly in a sleeving mode, the machine body is provided with a water collecting plate below the material barrel, the machine body is detachably provided with a water tank below the water collecting plate, and the upper end of the water tank is provided with a water receiving opening facing the water collecting plate. The water collecting plate is provided with a water outlet butted with the water receiving opening in a penetrating manner; and when the charging basket is separated from the ice making assembly, a height space capable of cleaning the water collecting plate is formed between the ice making assembly and the water collecting plate. The water collecting plate is used for receiving condensate water dripping from the peripheral wall of the material barrel, the condensate water enters the water tank through the water outlet and the water receiving opening in sequence, even if a smoothie solution enters the water tank, cleaning can be achieved, a user can clean the smoothie remaining on the water collecting plate through the height space, a water pipe does not need to be connected into a water receiving disc, and the size of the water receiving disc is prevented from being increased; collected condensate water or smoothie can be cleaned conveniently, and foreign matter residues are avoided.

The invention belongs to the technical field of special vehicle equipment, and particularly relates to a surrounding type dirt cleaning and snow melting device for a comprehensive sensing assembly of a special vehicle, the surrounding type dirt cleaning and snow melting device comprises a sensing assembly body, a shell, an emergency replacement assembly, a cleaning assembly and a retractable door assembly, the sensing assembly body is arranged in an inner cavity of the shell, and the emergency replacement assembly comprises a first winding roller and a driving motor; a first replacement cavity is formed in the outer wall of the shell, two driving motors are arranged in the first replacement cavity, and the output ends of the driving motors are fixedly connected with first winding rollers. By means of the arrangement of the first hydraulic telescopic rod and the second hydraulic telescopic rod, the first limiting rotating shaft and the second limiting rotating shaft are accurately moved to designated positions. And through cooperation of the driving motor, the first winding roller and the second winding roller, stains at the front end of the sensing assembly body are continuously updated. Through the arrangement of the cleaning assembly, stains at the front end of the sensing assembly body can be effectively cleaned; by means of the arrangement of the retractable door assembly, closing of the sensing assembly body can be achieved.

The invention relates to the technical field of resourceful treatment of aluminum etching liquid, and particularly discloses a display panel aluminum etching liquid waste acid resourceful treatment process which comprises the following steps: adsorbing display panel aluminum etching liquid waste acid through mesoporous silica, and filtering to obtain three mixed acid liquid; distilling the third mixed acid solution to obtain a dilute phosphoric acid solution and a second mixed acid solution, and concentrating and purifying the dilute phosphoric acid solution to obtain industrial phosphoric acid with the concentration of 85%; and carrying out neutralization reaction on the secondary mixed acid liquor, calcium hydroxide and magnesium oxide to obtain the CMA snow-melting agent. Metal ions in the waste acid can be effectively removed through mesoporous silica adsorption, and the purity of the product is improved.

1. Name of the designed product: Snow melting machine (SBL-2408C). 2. Use of the designed product: Processing equipment for making various fruit juice into snow melting beverage. 3. Design points of the designed product: In shape. 4. Picture or photo best indicating the design points: Perspective view.

This invention relates to a turnout snow melting conversion system, characterized by comprising: a mode conversion switch (1), a CPU2, an automatic control module (3), a manual control module (4), a peak-shaving start unit (5), a relay start unit (6), a power supply module (7), a display module (8), a communication module (9), an input interface unit (10), and an output interface (11). When the mode conversion switch is in automatic mode, the MAS first receives an enable signal to prevent misoperation, and simultaneously sends an automatic control signal to the automatic control module. At this time, the automatic control module opens the AND gate, and when the input interface unit receives the heating start control information, it directly transmits it to the relay start unit. The relay start unit then starts the AC contactor during peak-shaving to initiate heating. This turnout snow melting conversion system is easy to operate, aesthetically pleasing, and can realize manual control, automatic control, peak-shaving start, fault alarm, command judgment, and auxiliary cabinet cascading for snow melting control.