JP4188952B2 - Snow removal equipment for rooftop - Google Patents

Description

    The present invention relates to all fields related to snow-melting technology including road heating and floor heating in a building, and the like. In addition to the field of manufacturing snow equipment, from the field of providing and selling equipment and equipment necessary for its production, materials required for those materials, machinery and parts, such as wood, stone, various Fields that provide fibers, plastics, various metal materials, etc., electronic components incorporated in them, control-related devices that integrate them, fields of various measuring instruments, fields of power machines that move the equipment and instruments, and their energy Fields generally referred to as industrial machinery, such as the fields of electricity and oil, which are power sources and energy sources, as well as testing and researching those facilities and equipment, and displaying and selling them , Fields related to imports and exports, results of their use, facilities for producing them, fields related to the collection and transportation of garbage debris generated by the operation of instruments, and efficient disposal of these garbage debris There is no technical field that is not related to the recycle field to be reused, to new fields that cannot be envisaged at this time.

(Points of interest)
The snow that has fallen in large quantities on the roof of the building has so far been removed from the roof, as it has no particularly effective means other than removing snow by human snow tactics. Not only do we have to be prepared for a large amount of human resources and cost, but many houses will collapse if heavy snow that contains moisture accumulates too much and the snow is not ready in time. Since it has been exposed to the crisis, it can be a regional disaster, and even if it does not happen until then, there have been many problems related to human life, such as accidents that fall during snow removal work on the roof, Even now, the development of houses that are resistant to snow, especially those that do not require snow removal, has been a long-standing issue, and many have already been put into practical use.

    One of them is that the slope of the roof is set to 50 degrees or more so that the snow on the snow falls naturally, and although it can certainly reduce the labor and cost of snow removal work, it is urbanized. Due to changes in the environment such as crowded houses and traffic development due to automobiles, it is no longer allowed to pile up snow while dropping snow from the roof. In order to avoid such inconveniences, there is also a proposal for a novel house with a flat roof surface like a snow-free house at one time. Although they have been made, in addition to the problem of limiting the appearance, they require structural strength that can withstand snow loads, leading to a rise in construction costs. In addition to the above-mentioned difficulties, it has a major drawback that it cannot be applied to existing buildings above all. I can't find a hit.

(Conventional technology)
While such a situation continues, a plurality of heats are provided between the support bars of a plurality of support frames installed on the roof, such as that proposed in Japanese Patent Application Laid-Open No. 2002-322828 as a “snow melting device for roof”. The pipes are installed and fixed parallel to each other at intervals, and each heat pipe includes an outer pipe and an intermediate pipe penetrated into the outer pipe, and a heating fluid such as hot water is flowed into the inner pipe and heated. Heated fluid such as warm water flows from the source to the middle pipe, the working fluid in the outer pipe evaporates, and the steam exchanges heat on the peripheral wall of the outer pipe, condensing the cooled working fluid and heating again. In the process of repeatedly evaporating by absorbing heat from the fluid, the snow on the roof is melted through the outer pipe so that the snow can be removed, or disclosed in Japanese Patent Application Laid-Open No. 2003-82882. As in the invention of “Exposed Piping Roof Snow Melting Device”, the heat radiating pipe is composed of a finned pipe and a bent pipe, and the finned pipe has a single-row or double-row protruding part on one side or both sides of a circular hollow cross section. For building roofs, such as pipes with fins that are weather-resistant and made of lightweight pipes with high thermal conductivity that increase the surface area of the heat dissipation surface and improve snow-dissipating performance. There are many proposals for snow-melting devices that use snow-pipe.

    What belongs to the former "snow melting device on the roof" is a plurality of heat pipes installed on the roof so as to be arranged parallel to the ridge direction with a predetermined interval above and below, and hot water etc. for them Although there is no clear disclosure about the connection structure with the heating source that supplies the heated liquid, it is lightweight and flexible, and is a product form wound up in the shape of a resin hose, which has the required length Resins such as nylon tubes, cross-linked polyethylene tubes, and polybden tubes that are widely used because they can be easily cut together and efficiently used for piping and connection using metal fittings such as connection bands. It is conceivable to use a pipe made of steel.

    The use of such resin pipes is widely used for floor heating of buildings, snow-removing devices for roofs, etc., as disclosed in the invention of “House-embedded heating device” disclosed in JP-A-4-60315. ing. However, resin pipes with excellent piping workability are more resistant to weathering and pressure resistance of pipes, strength of connecting parts, etc. compared to metal pipes such as copper pipes, aluminum pipes, steel pipes and stainless steel pipes. In other words, various problems such as loose connections and cracks in pipes are likely to occur at a relatively early stage. There are many disadvantages from the viewpoints of economy including replacement work and recycling processing considering the natural environment, etc., and a sufficient radius of curvature to bend without compressing the pipe cross-sectional shape Therefore, there is a disadvantage that a portion dedicated to the piping that cannot exhibit the snow extinguishing function will occupy much of the roof surface.

In addition, the proposal represented by the latter “exposed piping roof snow melting device” is that pipes with a plurality of heat dissipating fins arranged on the roof have been bent in advance, or appropriately at the installation location, The bent pipe made of aluminum that has been bent and molded into a predetermined shape is used for connection to improve various problems such as durability, maintenance, inspection, repair, and disposal, and the bent pipe is factory-installed in advance. By making it bent in the production process, it is possible to bend with a smaller radius of curvature without compressing the cross-sectional area of the pipeline, minimizing the area occupied by the bent pipe on the roof Prepared to obtain bending pipes of various dimensions and shapes depending on conditions such as the roof shape and area to be installed, or dedicated as needed Production by total on so on such that there is a risk that unavoidable due, had been to have a major drawback in the production efficiency and economy.
(1) JP 2002-322828 (2) JP 2003-82882 (3) JP 4-60315

(Awareness of problems)
As has been seen in the above, the snow melting apparatus for building roofs that has been proposed in the past is relatively in comparison with the connection between a plurality of heat pipe parts and a heating source that supplies hot water to them. In many cases, resin pipes that can be installed simply and inexpensively were used, but the resin pipes must be curved with sufficient curvature to prevent compression of the cross section of the pipe, and therefore the top surface of the roof In addition to occupying a large area, it is aging early compared to metal pipes, and the economic burden such as maintenance and management costs after installation is great, and in addition, replacement and disposal after aging However, metal pipes, which have higher durability than resin pipes and are advantageous for maintenance, can compensate for these drawbacks of resin pipes. , Construction At that time, pipes of various sizes and shapes are prepared in advance, a large amount of stock is secured so that piping can be arranged according to the size and shape of the installed roof, product management is performed for them, and pipes that match the roof shape If there is not, there is a disadvantage that there is an economical disadvantage, such as having to manufacture a bend pipe of a special design, each of the disadvantages that these resin pipes and metal pipes have so far Cannot be resolved effectively, increasing the economic burden on the contractor, deteriorating the work efficiency of manufacturing plant design, production, quality control, inventory management, etc. The current situation was that

(Object of invention)
Therefore, the present invention takes advantage of the durability of metal pipes and the ability to reduce the curvature of the bent portion, and greatly increases the work burden of manufacturing, processing, construction, etc. of metal pipes that have been obstacles so far. From the judgment that it is not possible to develop snow melting technology on the building roof that can be quickly and efficiently piped, we started its development and research very quickly, trial and error over many years and many prototypes, As a result of repeating the experiment, this time, it has finally succeeded in realizing a snow-melting device for roof with a novel structure, and in the following, together with an embodiment representative of the present invention shown in the drawings, its configuration Will be described in detail.

(Structure of the invention)
As clearly understood from the embodiments representing the present invention shown in the drawings, the snow-removing device for roof according to the present invention basically comprises the following configuration.
That is, a restriction is made so that a plurality of heat pipes in which adapters for water pipes are integrally formed at both ends of a straight tubular heat source pipe are arranged parallel to the ridge direction and spaced apart from each other by a predetermined distance. Then, after fixing them on the building roof, connect the adjacent adapters between the adjacent adapter parts with joint parts for water pipes or straight pipes, and from one end side to the other end side of each heat pipe Or from the other end on the opposite side to one end, or from one end to the other end of some heat pipes, and from the other end to the other end of other heat pipes It is the snow-melting apparatus for roofs which makes the summary the structure formed by forming the fluid circuit which can distribute | circulate a heat-source fluid by either.

    The roof snow-melting device having this basic structure is shown as a more specific structure, and adapter parts for water pipes made of bushings each having a male screw are integrated at both ends of the straight tubular heat source pipe. A plurality of formed heat pipes are fixed on the building roof by being regulated so as to be arranged in parallel to the building direction and spaced apart from each other by a predetermined interval, and adjacent to each other and corresponding adapter parts Connected by joint parts for water pipes or it and a straight pipe, from one end side to the other end side of each heat pipe, or from the other end side to the other end side Or a fluid circuit that allows the heat source fluid to flow by either from one end side of some heat pipes to the other end side and from the other end side of other heat pipes to the one end side. And a snow water heater on the roof having a structure in which a water heater that can heat and supply the heat source liquid for snow removal from one end to the other end of the fluid circuit is incorporated at an appropriate position in the fluid circuit. It becomes a device.

    More specifically, the bushing comprises a sealed straight tubular hollow pipe and a heat source pipe penetrating in close proximity to the inner peripheral surface of the hollow pipe, and has a male screw at each end of the heat source pipe. A plurality of heat pipes integrally formed with adapters for water pipes are fixed on the roof of the building by being regulated so as to be arranged parallel to the building direction and spaced apart from each other by a predetermined distance in the vertical direction. Upper, adjacent, and corresponding adapter parts are connected by joint parts for water pipes, or it and a straight pipe, from one end to the other end of each heat pipe, or the other on the opposite side Heat from one end to the other end, or from one end to the other end of some heat pipes and from the other end to the other end of other heat pipes. Source In addition, a fluid circuit that can circulate is formed, and a water heater that can heat and supply the heat source liquid for snow extinguishing from one end to the other end of the fluid circuit is incorporated at an appropriate position of the fluid circuit. It can be said that it is a snow-melting device for rooftops.

    Similarly, a hermetically sealed, straight tubular hollow pipe enclosing a predetermined amount of heat medium fluid, and a heat source pipe penetrating in close proximity to the inner peripheral surface that is disposed on the lower side when the hollow pipe is installed on the roof, A plurality of heat pipes integrally formed with adapters for water pipes made of bushings each having a male screw at both ends of the heat source pipe. Restricted to be placed separately and fixed on the roof of the building, adjacent to each other and the corresponding adapters are connected by joint parts for water pipes or straight pipes, and one end of each heat pipe From the other end to the other end, or from one end to the other end of some heat pipes, The other end A fluid circuit that allows the heat source fluid to flow through either one of the two ends is formed, and the heat source liquid is heated for snow removal from one end to the other end of the fluid circuit. It is possible to say that it is a snow-melting device for rooftop that is constructed by incorporating a hot water heater that can be supplied.

    As described above, according to the snow-melting device for roof according to the present invention, the adapter parts for water pipes are integrally formed at both ends of the heat source pipe in the heat pipe, and a plurality of heat pipes are used for water pipes. It is possible to form a fluid circuit by connecting with joint parts or a straight pipe, which makes it flexible but relatively inferior in pressure resistance and has a disadvantage of being easily deteriorated. It is possible to increase the pressure resistance performance and pipe life of the entire fluid circuit including the connection part, and it is possible to reduce the curvature of the bent part and arrange the heat pipe in a wider range, In addition, by using off-the-shelf water pipe components that are prevalent in the general market, manufacturers of design, manufacture, processing, quality control and storage of dedicated metal pipes It is possible to greatly reduce the burden, and since the skilled workers have already mastered the plumbing technology for water pipes and are engaged in the installation work as it is, education about dedicated piping construction to workers and a huge amount This not only eliminates the need for development of new piping structures that require high costs, but also ensures that the efficiency and reliability of piping work is maintained at a high level. It has the excellent feature that it can be offered as the same or cheaper than the above.

    In addition, the heat pipe is composed of a sealed straight tubular hollow pipe and a heat source pipe penetrating close to the inner peripheral surface of the hollow pipe, and the volume of the heat source fluid flowing through the heat source pipe High snow-dissipation effect by making heat dissipation efficiently over a wider surface area through air that is contained in a hollow pipe, convectionable air, or other heat medium gas (fluid for heat medium) Furthermore, the heat medium liquid that absorbs the heat from the heat source fluid that passes through the heat source pipe is vaporized and convected by storing an appropriate amount of the heat medium liquid (heat medium fluid) in the hollow pipe. Then, heat is efficiently dissipated during the process of contacting and condensing on the upper inner wall surface of the hollow pipe, and the effect of exhibiting higher snow extinguishing ability is exhibited.

    In addition, a predetermined area on the end side of the fluid circuit is piped in an attached shape along either the rain gutter on the building roof or inside the gutter, and the ice column hanging from the eaves is eliminated and the roof is removed. In the case of adopting a metal flexible pipe for water pipes in the pipeline part that can be secured along either the rain gutter vicinity or inside the gutter of the same fluid circuit, the safety below can be secured, When bending along the shape of the eaves, even if it is a rain gutter with a narrow top opening, the laying workability can be greatly improved, greatly increasing the man-hours for laying the fluid circuit Therefore, an advantage that more economical construction can be realized can be obtained.

In implementing the present invention having the configuration as described above, the best or desirable mode will be described.
The fluid circuit can connect a plurality of heat pipes, which are appropriately arranged, with respect to the area range to be installed so as to form various paths such as a series shape, a parallel shape, or a combination thereof, and a supply source. It serves to efficiently circulate and supply the heat source fluid supplied from each heat pipe, and is used for water pipes as needed outside of water pipe fitting parts and straight pipes. It is desirable to use almost all piping parts including elbows, cheeses, straight pipes, etc. made of stainless steel with excellent pressure resistance and corrosion resistance. It is possible to fulfill the snow retaining function by piping the parts in parallel to the roof ridge direction, as well as stainless steel pipes and stainless steel flexible pipes. Piping along the gutter near or rain in gutters, it is also possible to perform the function of falling snow and icicles prevented.

    The heat pipe performs the function of efficiently transferring the heat generated by the heat source fluid supplied to the fluid circuit to the snow or ice that is in contact with or close to the outside and melting it. The heat transfer surface area in contact with or in close proximity must have a structure that can be set larger than the outer surface area of the pipe for the water pipe used in the fluid pipe. It is desirable to consist of a heat source pipe penetrating close to the inner peripheral surface of the pipe, and it is a sealed, straight tubular hollow pipe enclosing a predetermined amount of heat medium fluid, and installed on the roof of the hollow pipe In this case, it can consist of a heat source pipe that penetrates in close proximity to the inner peripheral surface, which is placed on the lower side, and it is almost the entire top surface of the building roof to be installed, or within the required range At an appropriate interval It is possible to assume that a location can be placed in the ridge direction along the vicinity of the eaves to prevent falling snow and icicles, and such that also functions as a snow fastening.

    The heat source pipe has a function that enables the heat source fluid flowing into the fluid circuit from the supply source to release the heat of the heat source fluid to the outside, thereby enabling the heat pipe to perform the snow-dissipating function. Each end has a flange part that is formed with a bolt-like male thread part or nut-like female thread part, such as a bushing, nipple, or union, or a flange part that can be connected with a cap nut. Any one of the adapter parts for water pipes including the socket-shaped part etc. must be integrally formed, preferably made of stainless steel, the middle part of which penetrates the sealed hollow pipe And can be integrated.

    The hollow pipe has a function that allows the heat released from the heat source pipe to be efficiently radiated through a wider area by enclosing a predetermined range in the middle of the heat source pipe in a sealed manner to form a sealed space. Yes, it must have a larger inner diameter than the outer diameter of the heat source pipe, and can be a sealed cylinder filled with air or other gas, for a predetermined amount of heat medium It is possible to store a liquid as a fluid, and it is possible to store an amount of the heat source pipe disposed below the vertical center in the installed posture of the heat pipe.

    The heat medium fluid accommodated in the hollow pipe includes air, gases such as oxygen, nitrogen, carbon dioxide, and carbon monoxide, and volatile liquids (fluids) such as cyclopentane, isobutane, alcohol, and methanol. ), Or it can be filled with liquid that does not evaporate due to heat dissipation from the heat source fluid heated for snow removal, such as water, unreasonable liquid, or heat transfer oil. The fluid that repeats liquefaction should be stored in a liquid state so as to ensure a vaporizable space in the hollow pipe, and in the case of a liquid that does not vaporize during snow removal, In addition, it is desirable that heat can be efficiently dissipated without forming a large gap space and contacting the peripheral surface of the inner wall of the hollow pipe while convection in a liquid state.

    For water pipe fittings, it is possible to install and install a fluid circuit for snow removal using widely used water pipe technology, and to easily construct metal pipes with excellent pressure resistance and durability. It is a joint part for water pipes that fulfills the functions that can be made widely and should be made of stainless steel with high corrosion resistance and pressure resistance, and more specifically, elbow, Including cheese, nipples, bushings, unions, flanges, sockets, cloths, plugs, caps, valves, etc. In addition, it contains necessary parts such as seals and packings made of materials other than stainless steel, and is widely used in general. It can be said that it is an off-the-shelf water pipe fitting part, and other straight pipes and flexible pipes must also be made of off-the-shelf water pipe parts. Must Re, they are desirable to ensure use those made of stainless steel, also has the advantages of substantially equally by using a stainless steel fitting parts such gas tubes.

    The hot water heater has a function that allows the heat source fluid supplied to the fluid circuit to receive a heat amount sufficient to exert a snow extinguishing capability by receiving supply of energy such as fuel and electric power. The heat source fluid can be heated by fuel such as gas, kerosene, light oil, heavy oil, and electricity, etc., but the circulating hot water or heat medium used for other purposes such as groundwater and floor heating It can be replaced with a pump that circulates oil, etc., and is not necessary when using tap water pressure, but providing a forced circulation pump is advantageous when circulating a heat source fluid. .

The heat source fluid can smoothly pass through the fluid circuit and, when passing through the heat pipe, fulfills the function of efficiently exchanging heat, and is a water heater, boiler or heat exchanger instead. It should be excellent in heat exchange efficiency with, etc., and can be a heat source gas such as heated air or steam, other heated gas, etc., but heating with a water heater or boiler, It is desirable to use heat source liquids such as water, antifreeze, and heat transfer oil that are advantageous for circulation. Stainless steel with nichrome wire or electrical insulation coating in each heat pipe, for example, without passing the heat source fluid through the fluid circuit, is hollow, or is filled with an inert gas for heat transfer, etc. It is not impossible to provide a structure that can dissipate heat by inserting a wire or the like and supplying current to generate heat.
In the following, the structure of the present invention will be described in detail together with an embodiment representative of the present invention shown in the drawings.

    FIG. 1 is a perspective view of the snow-fusing apparatus for roofing, a perspective view of the heat pipe of FIG. 2, a front view of the heat pipe of FIG. 3, a plan view of the heat pipe of FIG. 4, and a cross-sectional view of the heat pipe of FIG. The example shown in the figure includes a sealed straight tubular hollow pipe 31 and a heat source pipe 34 penetrating in close proximity to the inner peripheral surface of the hollow pipe 31. A plurality of heat pipes 3, 3,... Integrally formed with water pipe adapter parts 4, 4 made of bushings having screws 41 are parallel to the ridge direction and spaced apart from each other by a predetermined distance. It is regulated to be arranged and fixed on the roof H of the building, and the adjacent adapter parts 4 and 4 are connected by joint parts 5 and straight pipes 6 for water pipes, and each heat pipe 3, 3, ... from one end to the other A fluid circuit 2 that allows the heat source fluid to flow therethrough, and a water heater that can heat and supply the heat source liquid for snow removal from one end to the other end of the fluid circuit 2 at an appropriate position. The typical example in the snow-removal device for roofs of this invention which shall be incorporated is shown.

    The roof snow-fusing device 1 is configured to pipe a plurality of heat pipes 3 as shown in FIG. 2 to FIG. 5 in a range for exerting the snow-finging function of the fluid circuit 2. The heat pipes 3 are respectively provided at both ends of a stainless steel pipe (JIS-SUS304, SUS309, SUS310, SUS410, SUS430, SUS321, SUS316, SUS347, SUS329, etc., omitted hereinafter) having a diameter of about 50 · and a length of about 400 ·. A hollow pipe 31 that is fitted and fitted with a fitting step portion of the stainless steel sealing discs 32 and 32 and sealed by welding, and the lower pipe is disposed when the hollow pipe 31 is installed and installed. A heat source pipe 34 made of stainless steel pipe having a diameter of about 10 and about 500 and a length of about 500 and around is passed through the sealing discs 32 and 32 at both ends so as to be parallel to the peripheral surface, and both ends of the heat source pipe 34 are 40 and around, respectively. Exposed and stretched outside sealing discs 32, 32 In addition, each exposed base end portion is welded and sealed to each of the sealing discs 32, 32, and each of the both ends of the heat source pipe 34 is a kind of adapter for a water pipe. The male screw 41 is fitted (screwed) concentrically on the base end sides of the bushings 4 and 4 in which the nuts 42 are integrally formed on the base end side, respectively, and is attached in a sealed manner by welding. Inside the hollow pipe 31, dry air is sealed at room temperature through a heat medium injection hole 33 that is penetrated in the plate pressure direction of one of the sealing disks 32, and a stainless steel plug part is inserted into the heat medium injection hole 33. Is press-fitted and sealed.

    As shown in FIG. 1, a plurality of the heat pipes 3 having such a structure are arranged in series in a range parallel to the ridge direction in the range on the eaves side of the roof top surface H of the building, and further in the vertical direction. Are arranged in parallel in two rows at appropriate intervals, and stainless steel in which female screws are engraved at both ends between the bushings 4, 4 of the heat source pipes 34, 34,. Stainless steel elbows 52, 52 are connected to the bushings 4, 4 on the end side of the heat pipes 3, 3 arranged at both ends of the upper row, respectively, connected through a steel short straight pipe joint 51. On the other hand, stainless steel cheeses 53 and 53 are connected to the bushings 4 and 4 on the end side of the heat pipes 3 and 3 arranged at both ends of the lower row, respectively, and the ends of the elbows 52 and 52 are connected to each other. And the cheese that confronts it The upper ends of 53 and 53 are connected to both ends of stainless steel straight pipes 6 and 6 having male threads formed at both ends, and a plurality of upper and lower rows of heat pipes 3, 3,. Each of the heat pipes 3, 3,... Is secured to the roof top surface by means of mounting brackets 8, 8,. Yes.

    The mounting bracket 8 is inserted from a fixing bracket portion to be clamped and fixed to the tile rod portion of the roof surface H, or from the upper and lower gaps of the metal board or tile, and is hooked on a suitable place of the board or tile, or a nail Whether there is a hanging metal part (not shown) that can be fixed to reach the base plate or rafters, etc., and a fixing band part that is integrated at a suitable position of the fixing metal part (suspending metal part) and can be wound around the heat pipe 3 However, if the heat pipe 3 can be fixed to the roof top surface H with sufficient strength to withstand snow load, and the basic performance such as waterproofing and strength of the roof top surface H is not deteriorated. Any structure can be adopted.

The short straight pipe 6 made of stainless steel is attached to the downward end of either one of the cheeses 53 and 53 connected to the left and right ends of the pipes which are arranged in the lower side in the upper and lower rows arranged and piped in this way. 6 and elbows 52, 52, etc., are connected as appropriate, and connected to a hot water outlet in a circulating water heater (or an attached type) (not shown), and the other of the cheeses 53, 53 faces downward. Connect the stainless steel straight pipes 6 and 6 and the elbow 52 etc. to the end, and extend to the eaves G on the eaves side. Further, use one end of the stainless steel flexible pipe 7 using a nipple or a cap nut. The flexible pipe 7 is laid and piped over the entire bottom surface of the gutter G over substantially the entire length, and the elbow 52, 52,... And Short-length straight pipe 6,6, connect ...... or the like, and to those connected to the water inlet of the water heater (not shown).
In addition, each pipe connection portion is waterproofed with a sealant, packing, or the like as necessary, and a straight pipe 6 forming a fluid circuit 2 other than each heat pipe 3, 3,. 6, ... Short straight pipe joints 51, 51, ..., elbows 52, 52, ..., cheese 53, 53, ..., outer peripheral walls of adapter parts (not shown) such as bushings, nipples, unions, sockets, etc. In addition, a heat-insulated coating component 9 made of foamed resin having a weather resistant coating formed on the outer wall is mounted.

    The example shown in the cross-sectional view of the heat pipe of FIG. 5 and the perspective view of the snow-melting device for roofing of FIG. 6 is a sealed, straight tube in which a heat medium fluid 35 made of a predetermined amount of ethanol or methanol is enclosed. And a heat source pipe 34 that is inserted in close proximity to the inner peripheral surface that is disposed on the lower side when the hollow pipe 31 is installed on the roof, respectively, at both ends of the heat source pipe 34. A plurality of heat pipes 3, 3,... Integrally formed with adapter parts 4, 4 for a water pipe made of a bushing having a male screw 41 are parallel to the ridge direction and spaced apart from each other by a predetermined distance. After connecting to the adjacent roof and the corresponding adapter parts 4 and 4 with the joint parts 5 for water pipes or the straight pipe 6, each heat is fixed. Pipe 3, 3..., A fluid circuit 2 is formed to allow the heat source fluid to flow from one end side to the other end side, and the heat source liquid is turned off from one end to the other end of the fluid circuit 2 at an appropriate position. The other Example in the snow-melting apparatus for roofs of this invention which shall be built in the water heater which can be heated and supplied for snow is shown.

    Each heat pipe 3 has substantially the same structure as that shown in the first embodiment except that the overall length of the heat pipe 3 is increased to match the width of the left and right roofs H to be installed. An appropriate amount of the heat medium fluid 35 is enclosed, and the amount thereof is such that the heat source pipe 34 is slightly submerged in the condensed heat medium fluid 35 in the installation posture, as indicated by a two-dot chain line in FIG. It is set to be.

    As shown in FIG. 6, the heat pipes 3, 3,... Are arranged over substantially the entire surface of the building roof upper surface H so as to be parallel to the building direction and at a predetermined interval in the vertical direction. It is assumed that a plurality of appropriate positions in the direction are fixed by mounting brackets 8, 8,..., And a short straight pipe joint 51 and an elbow 52 are connected to the bushing 4 at one end of the uppermost heat pipe 3, and further straightened. It is assumed that pipes 6 and 6 and elbow 52 are connected, suspended to the lower side of roof H, extended and connected to a hot water outlet of a circulating water heater (not shown) with a circulation pump (not shown). The bushing 4 at the other end of the heat pipe 3 is connected to the other end bushing 4 of the heat pipe 3 adjacent to the lower side via elbows 52 and 52 and a short straight pipe 6.

    The one end bushing 4 of the second heat pipe 3 from the top is connected to the one end bushing 4 of the heat pipe 3 adjacent to the lower side (third from the top) through elbows 52 and 52 and a short straight pipe 6. Similarly, the heat pipes 3, 3,... Up to the lowest are sequentially connected in series, and elbows 52, 52 and a short straight line are connected to one end of the lowest heat pipe 3. The pipe joint 51, the straight pipe 6 and the like are connected and suspended to the lower side of the roof H, and then connected to a water supply port of the water heater (not shown). Further, each pipe connection portion is provided with a sealing material, packing, or the like as necessary. The fluid circuit 2 other than each heat pipe 3, 3,. A heat insulating coating component 9 having a weather resistant coating formed thereon is mounted.

    The fluid circuit 2 shown in FIG. 6 has a structure in which the heat source fluid is sequentially supplied from the uppermost heat pipe 3 toward the lowermost heat pipe 3. Also, various pipes such as pipes that are branched from the heat pipe 3 in the middle between the upper and lower sides via the joint parts 5 such as cheese 53 and distributed and supplied to both the upper and lower sides of the uppermost side and the lowermost side. It is possible to have a piping structure.

(Operation of Example)
The above-structured snow-removing device for roof 1 as shown in FIG. 1 of the first embodiment is indispensable when the heat pipes 3, 3,. The plumbing technology is the same as the water plumbing technology that uses the joint parts 5 for the water pipes such as the short straight pipe joint 51, the elbow 52, the cheese 53 and the straight pipe 6 that are widely used. Since construction experience and know-how can be applied as it is, it is possible to significantly increase work efficiency compared to connecting a specially designed pipe, as well as pipe strength and durability. In addition, there is a reputation for it, and even without a large radius of curvature as with resin pipes, it is possible to make bent and branched pipes with a smaller radius of curvature using elbow 52, cheese 53, etc., and installation space By improving efficiency Therefore, it is possible to provide a device capable of removing snow from every corner.

    Thus, the snow-removing device for roof 1 installed and installed in this way is hot water heated to a temperature at which snow can be sufficiently removed by activating a water heater (not shown) when snow is accumulated on the building roof H. Alternatively, when a heat source liquid such as antifreeze liquid is forcibly circulated and supplied in the direction indicated by the white arrow in FIG. 1 by a built-in (attached) pump, a plurality of pipes arranged in parallel in two rows are connected in parallel. Of the heat pipes 3, 3,..., And the dry air in the hollow pipes 31, 31,. , 31,..., Contact with the inner wall surface of the upper side, release heat, cool down, drop down to the vicinity of the heat source pipes 34, 34,. Starting convection and circulation to radiate heat in contact with the wall surface Become.

    The air in each hollow pipe 31, 31,... Circulates and circulates, so that the heat released from the heat source liquid flowing in each heat source pipe 34, 34,. Efficiently transmit each hollow pipe 31, 31,... Having a surface area much larger than that of each heat source pipe 34, 34,. When the snow near the heat pipes 3, 3,... Is melted, the snow on the upper surface of the roof H slides down due to its own weight and reaches the heat pipes 3, 3,. The process of being snow-melted and repeated is automatically repeated until all of the snow on the roof surface H is gone.

    Furthermore, when the heat source liquid that has passed through the heat pipes 3, 3,... Finally passes through the flexible pipe 7 laid near the bottom of the gutter G, the melted snow that flows into the gutter G In addition to preventing freezing of rainwater and rainwater, it is possible to eliminate the generation of icicles by preventing freezing of dripping and flowing water from the gutter G and eaves, passing through the flexible pipe 7 and gradually in each snow-melting stage. The heat source liquid that has been cooled flows down and is supplied to a water supply port of a water heater (not shown) as shown by a black arrow in FIG. 1, and is heated again by the water heater and passes through the water heater in the figure. As indicated by the white arrow, the fluid circuit 2 is forcibly circulated and supplied, and can be used for continuous snow removal.

    Also, heat insulation attached to pipes that are not expected to have a snow-melting effect, such as water pipe joint parts 5 and straight pipes 6 that connect the heat pipes 3, 3,. The covering component 9 can reduce unnecessary heat loss when the heat source fluid flows in the fluid circuit 2, and can transmit heat applied to the heat source fluid by the water heater to the snow on the roof top surface H without waste. Become.

    The snow-removing device 1 for roof according to the second embodiment activates a water heater (not shown) of a pump built-in type (or attached type) when there is snow on the roof upper surface H, and is indicated by a white arrow in FIG. The hot water or antifreeze heat source fluid is forcibly sent to the fluid circuit 2 in the direction, and the uppermost heat pipe among the plurality of installed heat pipes 3, 3,... The heat pipe 3 flows into and passes through one end of the heat pipe 3 to dissipate part of the heat and flow into the other end side of the second heat pipe 3 from the top to the bottom. Similarly, each heat pipe 3 from the top to the bottom , 3,... Sequentially pass through the meandering fluid circuit 2 to dissipate heat, and the heat source fluid that has passed through the fluid circuit 2 is a hot water supply (not shown) as shown by the black arrows in FIG. After being supplied to the water inlet of the vessel and reheated, the white area in FIG. As a sign, and thus be forced to circulate feed.

    The heat source fluid that has flowed into the heat source pipe 34 of each of the heat pipes 3, 3,..., Transfers a part of the retained heat into the hollow pipe 31 through the peripheral wall of the heat source pipe 34, and the two-point difference in FIG. A part of the heat medium fluid 35 that has been transferred to the heat medium fluid 35 accommodated up to the position indicated by the line and absorbed this heat evaporates in the hollow pipe 31 and rises to the vicinity of the upper inner peripheral wall surface. However, convection and circulation are performed so as to descend along the inner surface of the same peripheral wall, and a part of the vaporized gas (heat medium fluid 35) in contact with the upper inner wall surface of the hollow pipe 31 dissipates heat through the same wall surface, thereby cooling and condensing. It liquefies and drops or flows down. Accordingly, the heat dissipation process using the heat of vaporization is automatically repeated, in which the liquefied heat medium fluid 35 is continuously heated and evaporated by the heat source fluid flowing in the heat source pipe 34 and condensed by heat dissipation to the outside. Thus, it is possible to obtain heat radiation more quickly and more efficiently than the heat pipe 3 enclosing the air of the first embodiment.

    Further, the snow-melting device 1 for roof according to the present invention has a single fluid circuit in which the heat pipes 3, 3,... As shown in the first and second embodiments are connected and connected in parallel or in series. It is possible to have a plurality of parallel or series fluid circuits 2 in addition to the one in which the fluid circuit 2 is formed, or a parallel or series fluid circuit 2 provided with a branch point in the middle. In addition, a plurality of hot water heaters or boilers can be dispersed and arranged as appropriate and connected, or the heat source fluid is pumped using water pressure and cooled after snow is used. It is possible to make the heat source fluid that has been used to be usable for other purposes.

(Effect of Example)
In addition to the features described in the section of the effect of the present invention, the snow-melting device for roof 1 of Example 1 having the above-described configuration includes a plurality of fluid circuits 2 as shown in FIG. The heat pipes 3, 3,... Of the books are connected by joint parts 5 for water pipes, straight pipes 6 and the like, so that the heat pipes 3, 3,. It is possible, and moreover, those who have experience in waterworks can make use of their experience and know-how as they are, so it will not take much time to learn piping technology, ensuring more stable piping quality It is possible to use the skilled technology cultivated in the waterworks without waste, and the worker who performed the plumbing work of the snow removal device 1 can participate in the waterworks with sufficient skill. When it comes to In addition, there is an advantage, and it is necessary to bend the pipe with a curvature as large as possible because there is a concern about the reduction of the pipe cross section in the pipe and the bent part, and much of the roof top surface area H Although there was a drawback of being occupied by the piping structure, it was realized by adopting joint parts with small curvatures such as elbows and cheese for water pipes. , 3,... Can be improved, and more effective snow removal can be realized.

    The hollow pipe 31 of each heat pipe 3 is filled with air that absorbs heat from the heat source fluid flowing in the heat source pipe 34 and generates a convection phenomenon, and the relatively thin heat source pipe 34 is relatively small. By heating and supplying a quantity (about 40 cc / m) of heat source fluid, it becomes possible to transfer heat quickly and efficiently to the hollow pipe 31 having a much larger outer surface area than the heat source pipe 34, which is economical. In addition to removing more snow, the heat pipes 3, 3,... Are intensively arranged on the eaves side of the roof top surface H, and are fixed in parallel to the ridge direction. Supplying the heat source fluid that has reached the end side of the fluid circuit 2 and has been cooled, to the flexible pipe 7 piped on the bottom of the gutter G, the road 2 itself exerts the effect of snow retaining, Structure to pass As a result, heat is dissipated to the rain gutter and the vicinity of the eaves around it, effectively preventing the formation of icicles and greatly improving the safety of the roof and its surroundings. Demonstrate.

    In the snow-removing device 1 for roof according to the second embodiment, the heat pipes 3, 3,... Having a length matching the ridge direction dimension of the roof surface H to be installed are attached to a plurality of snow clasp types. As shown in the first embodiment, the heat pipes 3, 3,... Divided into a plurality of parts in the ridge direction are connected to the joint parts 5 as in the first embodiment. It is possible to secure a higher snow-dissipating effect than the one that is added and used, and the installation work can be carried out relatively easily by the mounting brackets 9, 9,. It does not damage the roof tiles and roof tiles, and does not deteriorate the basic performance of the building roof such as waterproofness and strength. It can also be easily removed during roof maintenance and dubbing. All the main parts that form By adopting stainless steel, there is almost no damage such as rust generation and breakage, and after disassembling and removing for reasons such as roof replacement, it is reassembled to the newly replaced roof top surface H. In addition to being able to be used, it is possible to obtain an advantage that each component can be recycled as it is to other snow-melting devices and piping facilities.

(Conclusion)
As described above, the snow-melting device for roof according to the present invention can achieve the intended purpose evenly by its new configuration, and most of the fluid circuit is made up of joint parts and straight pipes for water pipes. Because it is realized by using it, it is easier to manufacture than conventional snow melting devices, etc., and it can greatly reduce the cost of piping facilities, and the existing plumbing technology for water pipes It can be used to make accurate and quick piping work relatively easy, and in the unlikely event of breakage, all connecting parts are readily available and many people have experience in piping work. Because of its excellent economics in maintenance and management, it will be greatly welcomed by people in the region who have been suffering from snow falling every day on the roof of the building every winter. Of course, snow removal from its high practicality Including dealers and contractors of the location, local governments and other use across a wide range becomes to be high praise from various quarters, is expected to be those that continue to spread.

The drawings show several typical embodiments embodying the technical idea of the snow-removing device for rooftop of the present invention.
It is a perspective view which shows the snow-melting apparatus for roofs. It is a perspective view which shows a heat pipe. It is a front view which shows a heat pipe. It is a top view which shows a heat pipe. It is a front view showing a heat pipe in a longitudinal section. It is a perspective view which shows the other snow-melting apparatus for roofs.

Explanation of symbols

1 Snow-removal device for roof 2 Fluid circuit 3 Heat pipe
31 The same hollow pipe
32 Same sealing disc
33 Heating medium injection hole
34 Same heat source pipe
35 Heat transfer fluid 4 Bushing (Adapter for water pipe)
41 Male thread
42 Same nut 5 Fitting parts for water pipes
51 Same short straight pipe joint
52 Same elbow
53 Same cheese 6 Straight pipe 7 Flexible pipe 8 Mounting bracket 9 Heat insulation coating parts
H Building roof
G same gutter

Claims (1)

An adapter for a water pipe comprising a sealed straight tubular hollow pipe and a heat source pipe penetrating in close proximity to the inner peripheral surface of the hollow pipe, and a bushing having a male screw at each end of the heat source pipe Two or more heat pipes with integrated parts are arranged in a row in a direction parallel to the ridge at predetermined intervals, and both ends of each of the adapter parts of the heat pipe adapters adjacent to each other between the bushings The connection is made through a short straight pipe joint made of stainless steel for water pipes in which female threads are engraved, so that they are parallel to the ridge and spaced apart from each other by a predetermined distance. Stainless steel for water pipes for the bushings on the end side of the heat pipes located on both ends of the upper side row of the ones that are in a vertical relationship with each other and fixed on the building roof To the bushings on the end side of the heat pipes located at both ends of the lower row of the elbows, stainless steel cheese for water pipes is connected, and the end of each elbow and the opposite cheese The upper end of each pipe is connected to both ends of a straight pipe made of stainless steel for water pipes with male threads formed at both ends. From the plurality of heat pipes to the plurality of heat pipes in the lowest row in sequence, the corresponding adapter parts are connected by joint parts for water pipes and straight pipes, while in the lowest row Connect to the hot water outlet of a hot water heater using water pipe parts such as short stainless steel straight pipes and elbows on the downward end of one of the cheeses connected to the left and right ends of multiple heat pipes At the other end of the cheese, it is extended to the eaves on the eaves side using the water pipe parts, and is made of stainless steel for water pipes using nipples or cap nuts. Connected to one end of the flexible pipe, laid and piped over the entire length of the flexible pipe along the inner bottom surface of the gutter, and using water pipe parts in the same way on the end side By connecting to the water supply port of the water heater, a fluid circuit is formed that allows the heat source fluid to flow from one end side to the other end side of each heat pipe and the flexible pipe in the rain gutter. An on-roof snow squeezing device characterized in that a heat insulation coating component is attached to the outer peripheral wall surface of the fluid circuit excluding each heat pipe and the flexible pipe in the rain gutter .

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