12 results about "Snowmelt system" patented technology

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 present application belongs to the field of geothermal energy development and utilization, bridge engineering, and deicing and snow melting technology, and proposes a heat exchange pipe maintenance and intelligent operation and maintenance control method for an energy pile active bridge deck deicing and snow melting system, which comprises an energy pile active bridge deck deicing and snow melting federated learning operation and maintenance control model and a heat exchange pipe maintenance device based on electromagnetic induction principle; the energy pile active bridge deck deicing and snow melting federated learning operation and maintenance control model preliminarily judges and makes alarm positioning, and the heat exchange pipe maintenance device based on electromagnetic induction principle carries out fine repair work; the damaged point is repaired by automatic repair agent or the inner layer pipe is unscrewed. The heat exchange pipe maintenance device based on electromagnetic induction principle comprises a double-layer intelligent heat exchange pipe structure, a micro magneto-electric sensor, a cable storage tray, a data automatic acquisition instrument and a control end. The present application realizes fine control management and early warning of the energy pile active bridge deck deicing and snow melting system, accurately positions and repairs the damaged point, globally and accurately controls the snow melting system, and improves the deicing and snow melting efficiency.

The invention relates to a strip-shaped electromagnetic heating element suitable for an electromagnetic heating turnout snow melting system, which is characterized in that the strip-shaped electromagnetic heating element for the electromagnetic heating turnout snow melting system comprises a protective shell (4), an iron core (5), a winding (6), a wiring end plate (7), an end head (8), an integral insulation encapsulation body (9), a protective layer (10) and a heating strip lead (11), a main shell body of the long-strip-shaped protective shell (4) is of a U-shaped groove structure and is made of a non-magnetic-conductive material. The iron core (5) is composed of at least one ferrite magnetic core unit and installed in the U-shaped groove of the protective shell (4), and the magnetic circuit matching face of the iron core faces an external steel rail to be heated. The strip-shaped electromagnetic heating element is fixed on the turnout steel rail through the elastic clamp, the turnout is heated in a heating mode of converting electromagnetic energy into heat energy, the strip body does not emit heat, the heating efficiency is improved, installation and maintenance are convenient, and reliability is higher.

This system provides a low-cost and highly energy-efficient geothermal snow melting system by inducing geothermal heat from buried pipes and blowing it onto roofs to melt snow. [Solution] The underground heat snow melting system 1 of the present invention comprises a downpipe 10 whose upper end is connected to the roof A1 of structure A and whose lower end is connected to an underground pipe B, a first guide means 21 positioned near the underground pipe B of the downpipe 10, and a second guide means 22 positioned above the first guide means 21 of the downpipe 10, wherein the system is configured such that the first guide means 21 heats up to guide the warm air in the underground pipe B into the downpipe 10, and the second guide means 22 heats up to push the warm air in the downpipe 10 upwards so that it can be blown out toward the roof A1 of structure A.

The application provides an integrated water chilling unit structure for an ice rink, comprising a cooling water snow melting system, a main machine refrigerant system and a chilled water system; the cooling water snow melting system and the chilled water system are arranged on the two sides of the main machine refrigerant system; the chilled water system comprises a first chilled water pipeline and a second chilled water pipeline; the main machine refrigerant system comprises a first evaporator unit, a second evaporator unit, a first condenser unit and a second condenser unit; a first use side is connected with the first evaporator unit through the first chilled water pipeline; and a second use side is connected with the second evaporator unit through the second chilled water pipeline. The integrated water chilling unit structure for the ice rink is characterized by integration and modularization, solves the problems of transportation and structural layout, and is convenient for on-site installation and maintenance.

This invention discloses a power regulation module, comprising: a time base circuit for outputting a clock signal to a reversible counter circuit; a reversible counter circuit connected to the time base circuit for performing real-time reverse counting upon receiving the clock signal from the time base circuit, and after the count reaches a predetermined reverse counting duration, performing frequency division processing on the clock signal, and then outputting a corresponding digital signal to a first thyristor output circuit and a second thyristor output circuit; the first thyristor output circuit and the second thyristor output circuit are respectively connected to the reversible counter circuit, for driving the thyristors to output operating voltage according to the time-division digital signal sent by the reversible counter circuit. This invention can meet the power supply requirements of newly added electric heating elements without increasing the capacity of the existing snow melting transformer supplying power to the electric heating elements of the turnout snow melting system, solving the power supply problem of the newly added electric heating elements, and has significant practical significance.

The utility model discloses a heat conduction device of a railway turnout snow melting system. The heat conduction device comprises a heat conduction plate, an insulating layer and a heat preservation layer. The heat conduction device is characterized in that graphite is used as a heat conduction plate in the heat conduction device, a mica insulation layer and a polyurethane heat preservation layer are arranged on the surface, making contact with air, outside the graphite, a metal buckle is arranged outside the heat conduction device, the heat conduction device is installed on the two sides of the sliding bed table through the metal buckle, and the heat conduction device and the sliding bed table are connected together; and the metal buckle is fixed through the hexagonal head bolt and the hexagonal head nut. The heat conduction device provided by the utility model can transfer heat which is originally lost in the air by the heating strip to the slide table, the slide plate and the switch rail, so that the heat efficiency and the snow melting efficiency of the snow melting system are improved, the use of electric energy is reduced, and resources are saved; the thermal uniformity of graphite is good, so that the strength of the sliding table is effectively prevented from being influenced by over-high temperature at a certain position; when individual heat conduction devices are damaged due to extrusion and collision, the heat conduction devices on the sides of the slide plate can be independently disassembled, the practicability is good, and maintenance is convenient.

The utility model relates to the technical field of snow melting, and provides a metal roof snow melting system, which comprises a gas cylinder, a storage tank and a snow melting assembly, the snow melting assembly comprises an oscillator, a snow melting agent delivery pipe, a first gas delivery pipe and a second gas delivery pipe, the oscillator is communicated with the gas cylinder through the first gas delivery pipe, a pulse valve is arranged on the first gas delivery pipe, and the second gas delivery pipe is communicated with the storage tank. The storage tank is communicated with the first gas conveying pipe through a snow-melting agent conveying pipe, a pneumatic one-way valve is arranged on the snow-melting agent conveying pipe, one end of the second gas conveying pipe is connected to the gas cylinder, the other end of the second gas conveying pipe is connected to the snow-melting agent conveying pipe, and an electromagnetic valve is arranged on the second gas conveying pipe; the connecting point of the second gas conveying pipe on the snow melting agent conveying pipe is located on the inlet side of the pneumatic one-way valve. Sweeping type oscillating jet flow is generated by applying the coanda effect principle, and the cleaning efficiency of accumulated snow on the roof is enhanced. And meanwhile, synchronous conveying of the high-pressure gas and the snow melting agent is supported, and the snow melting efficiency is remarkably improved.

Provided is a control device for controlling a snow melting system. The control device comprises: a power input unit to which AC power is input; at least two relay terminals connected to a plurality of heating coils to turn on / off a current applied to the heating coils; a sensor connection terminal unit to which a plurality of environmental sensors are connected; and a communication unit for communicating with an external manager terminal, wherein a first heating coil unit, which is part of the plurality of heating coils, is connected to a first relay terminal among the at least two relay terminals, a second heating coil unit, which is the remaining part of the plurality of heating coils, is connected to a second relay terminal among the at least two relay terminals, and the control device is configured to heat the plurality of heating coils in a preheating operation mode, in which the first heating coil unit and the second heating coil unit alternately operate, or in a main operation mode, in which the first heating coil unit and the second heating coil unit operate together, by a relay operation of the at least two relay terminals.

The invention discloses a control method, device and equipment of a railway turnout snow melting system and a medium. The railway turnout snow melting system comprises a plurality of heaters arranged on turnouts respectively and a power supply device for supplying power to the heaters, and a shell of the power supply device is provided with a power interface used for being connected with alternating-current mains supply and a plurality of output interfaces used for being connected with the heaters respectively. According to the control method, the on-off state of electric connection between the power interface of the power supply device and the corresponding output interface is controlled through the snow melting priority level determined according to the environment information of each turnout and the train passing information, so that the target heater is controlled to be powered to be in the working state; therefore, the power supply state of the heater can be quickly adjusted in response to power change. Therefore, according to the railway turnout snow melting system, the control method and device thereof and the medium provided by the embodiment of the invention, the power supply state of each heater can be switched in response to the snow melting priority quickly, and the safe operation performance of the railway turnout snow melting system can be effectively improved.

The present invention provides a method and system for controlling real-time monitoring of a snow accumulation state on a turnout. The method comprises: acquiring an image of a turnout region in real time; determining snow accumulation data of the turnout region by performing identification on the image of the turnout region; and controlling a snow-melting action on the turnout region on the basis of the snow accumulation data. According to the method and system for controlling real-time monitoring of a snow accumulation state on a turnout of the present invention, a snow accumulation image of each turnout is monitored in real time, and the snow accumulation image is converted into data information and provided to a snow-melting control system for accurately determining the snow accumulation state of each turnout. Therefore, a turnout having snow accumulation can be accurately heated, thereby achieving the functions of fine, accurate control and monitoring of a snow-melting system of a turnout.

To realize a more suitable mechanism for melting snow that accumulates on railway tracks. [Solution] A snow melting system comprising: a snow melting unit installed in the area between the rails of a railway track to melt snow accumulated on the railway track; a control device connected to the snow melting unit via a wireless communication path to control the operation of the snow melting unit, wherein the snow melting unit comprises: a plurality of sensor units, each individually installed at multiple locations in the area to detect the weight due to the load on the detection surface; and a snow melting device formed in a planar shape and installed to span the detection surfaces of each of the plurality of sensor units installed in the area, supported by the plurality of sensor units, and driven to release heat and melt snow, wherein the control device drives the snow melting device to melt the snow accumulated on the snow melting device when the statistical value of the weight detection results of each of the plurality of sensor units exceeds a threshold.