CN110778032A - Heat-preservation and anti-freezing device for rainwater drainage facility and use method of heat-preservation and anti-freezing device - Google Patents
Heat-preservation and anti-freezing device for rainwater drainage facility and use method of heat-preservation and anti-freezing device Download PDFInfo
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- CN110778032A CN110778032A CN201911073921.XA CN201911073921A CN110778032A CN 110778032 A CN110778032 A CN 110778032A CN 201911073921 A CN201911073921 A CN 201911073921A CN 110778032 A CN110778032 A CN 110778032A
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- 238000007710 freezing Methods 0.000 title claims abstract description 20
- 238000004321 preservation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 238000005286 illumination Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims 2
- 230000002528 anti-freeze Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 49
- 230000000694 effects Effects 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- 230000014509 gene expression Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
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- 230000008018 melting Effects 0.000 description 1
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/076—Devices or arrangements for removing snow, ice or debris from gutters or for preventing accumulation thereof
- E04D13/0762—De-icing devices or snow melters
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
- E04D13/103—De-icing devices or snow melters
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to the technical field of rainwater drainage, in particular to a rainwater drainage facility heat-preservation and anti-freezing device capable of reducing low-temperature damage and a using method thereof, which are characterized by comprising a photovoltaic circuit component and a heating component, wherein the heating component comprises a heating layer, a heat-preservation layer and a waterproof base layer, the waterproof base layer is sequentially provided with the heat-preservation layer, the heating layer, a heat-conducting insulating layer and a heat-conducting layer, and the heat-preservation layer, the heating layer, the heat-conducting insulating layer and the; the photovoltaic circuit component comprises a photovoltaic controller, a storage battery, a temperature sensor, a photovoltaic cell and a light-operated switch, the photovoltaic controller is respectively electrically connected with the storage battery, the temperature sensor, the photovoltaic cell and the light-operated switch, the light-operated switch is electrically connected with a heating layer, and the photovoltaic cell is arranged on the outer surface of the rainwater drainage facility. Compared with the prior art, the invention has the advantages that: 1) the device is suitable for spring and winter combined seasons, can timely eliminate the blockage of a drain pipe or the formation of a large-volume ice prism caused by drainage icing, and reduces potential safety hazards such as frost heaving damage and falling objects of a pipeline.
Description
Technical Field
The invention relates to the technical field of rainwater drainage, in particular to a rainwater drainage facility heat-preservation and anti-freezing device capable of reducing low-temperature damage and a using method thereof.
Background
The rainwater drainage system is an important component of urban bridge construction systems and civil construction projects, and the smooth drainage and the safe drainage of the rainwater drainage system are always the key points of the project construction. Most of the conventional bridge engineering, civil buildings and public facility construction adopt organized external drainage. Most of the drainage pipelines are made of PVC materials, so that smooth drainage can be guaranteed when the temperature is over 0 ℃, but rain and snow melt in the northern area after entering winter, and rainwater drainage pipelines are still needed for partial freezing rain in the southern area. A large number of facts and engineering cases find that the rainwater drainage pipeline opening can be frozen due to low air temperature, and the pipeline can be blocked after long-time accumulation to cause frost heaving damage to the pipeline. Part high altitude position can cause the object potential safety hazard that falls in the high altitude because of freezing, seriously influences resident life and trip safety. Every year, people and property are hurt due to falling and ice sliding at high altitude. In order to guarantee the engineering quality and the safety of the lives and trips of the residents, the heat preservation and anti-freezing problems of the rainwater drainage facility need to be solved in time.
Application number 201821548261.7 the utility model discloses a roof eaves mouth drainage leak protection device, including the rainwater fill, can realize detecting the effect of temperature on every side and heating through control panel control first heater through temperature sensor's setting, can realize melting the rainwater fill on every side and the ice and snow of rainwater fill body inner chamber makes its effect that can down flow to the inner tube through the setting of first heater, can realize detecting the temperature in the inner tube and through the effect of control panel control second heater heating through the setting of probe, can realize the effect of the water heating to the inner tube through the setting of second heater, can realize heat retaining effect through carbon dioxide gas's setting, it is energy-conserving to arrange the water and the ice and snow on roof down winter and spring winter season, thereby prevent icicle or ice curtain's formation, personal safety has been ensured. The scheme adopts the solar storage battery for heating, and has the defects that the solar storage battery cannot work at a specific time period at night; in addition, the conventional heater has low heat efficiency and influences the drainage effect; and thirdly, the application range is narrow, the device is only suitable for tubular drainage facilities, and the device is ineffective for eave ice curtains.
Disclosure of Invention
The invention aims to provide a heat-preservation and anti-freezing device for a rainwater drainage facility and a using method thereof, which overcome the defects of the prior art, are suitable for rainwater drainage facilities of various buildings, have unlimited shapes, can use solar energy, do not need additional energy consumption, are particularly suitable for spring and winter combined seasons, can timely eliminate the blockage of a drainage pipe or the formation of a large-volume ice prism caused by drainage icing when the temperature is lower than zero at night, and reduce the potential safety hazards of frost heaving damage of pipelines, falling objects and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the first technical scheme is as follows: a thermal insulation and anti-freezing device of a rainwater drainage facility is characterized by comprising a photovoltaic circuit component and a heating component, wherein the heating component comprises a heating layer, a thermal insulation layer and a waterproof base layer, the waterproof base layer is sequentially provided with the thermal insulation layer, the heating layer, a heat conduction insulating layer and a heat conduction layer, and the layers are connected into a whole through a silica gel bonding layer; the photovoltaic circuit component comprises a photovoltaic controller, a storage battery, a temperature sensor, a photovoltaic cell and a photoswitch, the photovoltaic controller is respectively electrically connected with the storage battery, the temperature sensor, the photovoltaic cell and the photoswitch, the photoswitch is electrically connected with a heating layer, and the photovoltaic cell is arranged on a building drainage facility in a flat plate shape or a tile shape.
Preferably, a graphene heating film and/or a fiber resistance wire are arranged in the heating layer.
Preferably, the waterproof base layer is a flexible waterproof material layer.
Preferably, any one of rock wool, glass fiber cotton or ceramic fiber cotton is arranged in the heat-insulating layer.
Preferably, the photovoltaic controller and the storage battery are sealed in the control box, and the light-operated switch and the temperature sensor are arranged on the control box.
Preferably, the photovoltaic cell is a polycrystalline photovoltaic cell panel or a CIGS flexible photovoltaic cell sheet.
Preferably, the heat conducting insulating layer is a heat conducting silica gel gasket.
The second technical scheme is as follows: the application method of the heat-preservation and anti-freezing device for the rainwater drainage facility is characterized in that a heating component is laid on the surface of the edge of an eave of a municipal building through adhesive, a photovoltaic circuit component is arranged in an area which is close to the heating component and is easy to be irradiated by sunlight, the illumination threshold of a light-operated switch is set to be 20-50 lux, when the ambient temperature is lower than a set value of 0 ℃, the light-operated switch is turned on when the illumination is less than 20 lux, a heating layer is electrified, the light-operated switch is turned off when the illumination is greater than 50 lux, and the heating layer is powered off.
The third technical scheme is as follows: the application method of the heat preservation and anti-freezing device for the rainwater drainage facility is characterized in that the heating component is connected with the pipe orifice of the PVC rainwater drainage pipe in a hoop or viscose mode, the photovoltaic circuit component is arranged on the outer surface of the PVC rainwater drainage pipe or in an area easy to be irradiated by sunlight, the illumination threshold of the light-operated switch is set to be 20-50 lux, when the ambient temperature is lower than a set value of 0 ℃, the light-operated switch is turned on when the illumination is less than 20 lux, the heating layer is electrified, and is turned off when the illumination is greater than 50 lux, and the heating layer is powered off.
Compared with the prior art, the invention has the beneficial effects that: 1) the device is suitable for rainwater drainage facilities of buildings, is not limited in circular or planar shape, is particularly suitable for spring and winter combined seasons, and can timely eliminate the blockage of a drainage pipe or the formation of a large-volume ice prism caused by drainage icing. 2) With the help of solar energy and graphite alkene technique of generating heat, need not extra energy resource consumption, energy utilization is high, when ambient temperature is less than 0 ℃, can guarantee to discharge smoothly after the rainwater melts, when ambient temperature is higher than 0 ℃, the device auto-power-off makes drainage facility temperature keep in setting for the interval, and energy saving consumes, guarantees that drainage facility is in the state of not freezing. 3) The potential safety hazards such as frost heaving damage and falling objects are reduced, and the safe and peaceful living environment is favorably constructed.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention, wherein a heating assembly is applied to a municipal drainage pipe;
FIG. 2 is a schematic structural view of a second embodiment of the present invention, wherein a heating element is applied to the surface of the edge of the eave of the municipal building;
fig. 3 is a schematic structural diagram of a heating element according to a first embodiment of the invention.
Fig. 4 is a schematic block diagram of the working principle of the photovoltaic circuit assembly embodiment of the invention.
In the figure: the building comprises a photovoltaic circuit component 1, a heating component 2, a PVC rainwater drainage pipe 3, a clamp 4, a municipal building eave 5, a waterproof base layer 6, a heat insulation layer 7, a heating layer 8, a heat conduction insulating layer 9 and a heat conduction layer 10.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 3 and fig. 4, which are schematic structural views of a rainwater drainage facility heat preservation and freeze prevention device according to an embodiment of the present invention, the rainwater drainage facility heat preservation and freeze prevention device includes a photovoltaic circuit component 1 and a heating component 2, and the heating component is connected with a pipe orifice of a PVC rainwater drainage pipe 3 through a clamp 4. The photovoltaic circuit component 1 comprises a photovoltaic controller, a storage battery, a temperature sensor, a photovoltaic cell and a light-operated switch, the photovoltaic controller is respectively electrically connected with the storage battery, the temperature sensor, the photovoltaic cell and the light-operated switch, and the light-operated switch is electrically connected with the heating layer. A heat preservation layer 7, a heating layer 8, a heat conduction insulating layer 9 and a heat conduction layer 10 are sequentially arranged on a waterproof base layer 6 in the heating component 2, and the layers are connected into a whole through a silica gel bonding layer. The photovoltaic circuit component 1 is arranged in an area which is near a PVC rainwater drain pipe or on a roof and the like and is easy to be irradiated by sunlight, the illumination threshold of the light control switch arranged in the photovoltaic circuit component 1 is 20-50 lux, when the ambient temperature is lower than a set value of 0 ℃, the light control switch is turned on when the illumination is less than 20 lux, the heating layer is electrified, and when the illumination is more than 50 lux, the light control switch is turned off, and the heating layer is powered off.
In the embodiment, the photovoltaic cell is tile-shaped, the photovoltaic controller, the storage battery and the temperature sensor are arranged in the control box, and the light-operated switch is arranged on the control box. The photovoltaic controller is a 12V or 24V photovoltaic controller, and is widely used in a solar power generation system at present, and can control a multi-path solar cell matrix to charge a storage battery and control the storage battery to supply power to a load. The photovoltaic controller adopts a high-speed CPU microprocessor and a high-precision A/D analog-to-digital converter, and is a microcomputer data acquisition and monitoring control system.
The device can increase the temperature of the pipe orifice of the PVC rainwater drainage pipe, ensure that rainwater at the pipe orifice of the rainwater drainage pipe smoothly passes through the pipe orifice, and avoid blockage and icing.
Referring to fig. 2 and 4, which are schematic structural views of the second embodiment of the invention, the heating component 2 is horizontally laid on the surface of the edge of the eave 5 of the municipal building in a viscose manner, the waterproof base layer at the bottommost is sequentially provided with an insulating layer, a heating layer, a heat conduction insulating layer and a heat conduction layer upwards, and the layers are connected into a whole by a silica gel adhesive layer. The photovoltaic circuit component 1 is arranged in an area near the heating component 2 and irradiated by sunlight, the illumination threshold of the photoswitch is set to be 20-50 lux, when the ambient temperature is lower than a set value of 0 ℃, the photoswitch is turned on when the illumination is less than 20 lux, the heating layer is electrified, and when the ambient temperature is greater than 50 lux, the photoswitch is turned off, and the heating layer is powered off.
The device can increase the surface temperature of the position of the eave 5 of the municipal building, ensure that rainwater at the rainwater collecting position can smoothly pass through, and avoid blockage and icing.
In the above embodiment, the heating layer 8 is internally provided with the graphene heating film and/or the fiber resistance wire, and the graphene has very good heat conductivity, so that the graphene has very good application prospect in the future, and the heat conductivity coefficient of the pure defect-free single-layer graphene is as high as 5300W/mK, which is the carbon material with the highest heat conductivity coefficient so far, and is higher than that of the single-walled carbon nanotube (3500W/mK) and the multi-walled carbon nanotube (3000W/mK). When it is used as carrier, its thermal conductivity can be up to 600W/mK. The waterproof substrate 6 is a flexible waterproof material layer, such as waterproof fabric or rubber-lined woven tape, and the flexibility enables the waterproof substrate to be attached to a drainage facility better. Be equipped with any kind of rock wool, glass fiber cotton or ceramic fiber cotton in the heat preservation 7, the purpose of setting up this heat preservation makes the heat conduction direction on layer that generates heat stronger, and direct action makes heat utilization rate higher in heat-conducting layer 10. The heat conducting layer 10 may be made of a metal material such as stainless steel. Photovoltaic controller and battery seal in the control box, and photoswitch and temperature sensor locate on the control box body, and are stronger to illumination and temperature-sensing. The photovoltaic cell is a polycrystalline photovoltaic cell panel or a CIGS flexible photovoltaic cell sheet, the polycrystalline photovoltaic cell panel is suitable for the eave of a municipal building, and the flexible CIGS flexible photovoltaic cell sheet is suitable for a PVC rainwater drainage pipe and can be wrapped outside the pipe body. The heat-conducting insulating layer is a heat-conducting silica gel gasket which is a heat-conducting medium and can be used for reducing thermal contact resistance generated between the surface of the heat source and the contact surface of the heat dissipation device. In the industry, it can also be called as heat conductive silicone sheet, heat conductive silicone pad, flexible heat dissipation pad, etc., and is often used in electronic products.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the invention or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (9)
1. A thermal insulation and anti-freezing device of a rainwater drainage facility is characterized by comprising a photovoltaic circuit component and a heating component, wherein the heating component comprises a heating layer, a thermal insulation layer and a waterproof base layer, the waterproof base layer is sequentially provided with the thermal insulation layer, the heating layer, a heat conduction insulating layer and a heat conduction layer, and the layers are connected into a whole through a silica gel bonding layer; the photovoltaic circuit component comprises a photovoltaic controller, a storage battery, a temperature sensor, a photovoltaic cell and a photoswitch, the photovoltaic controller is respectively electrically connected with the storage battery, the temperature sensor, the photovoltaic cell and the photoswitch, the photoswitch is electrically connected with a heating layer, and the photovoltaic cell is arranged on a building drainage facility in a flat plate shape or a tile shape.
2. The heat-insulating and anti-freezing device for the rainwater drainage facility as claimed in claim 1, wherein a graphene heating film and/or a fiber resistance wire are/is arranged in the heating layer.
3. The thermal insulation and freeze protection device for rainwater drainage facility according to claim 1, wherein the waterproof base layer is a flexible waterproof material layer.
4. The thermal insulation and freeze-proofing device for the rainwater drainage facility according to claim 1, wherein any one of rock wool, glass fiber wool and ceramic fiber wool is arranged in the thermal insulation layer.
5. The heat-insulating and anti-freezing device for the rainwater drainage facility as claimed in claim 1, wherein the photovoltaic controller and the storage battery are sealed in the control box, and the photoswitch and the temperature sensor are arranged on the control box.
6. The thermal and antifreeze apparatus of claim 1, wherein said photovoltaic cell is a polycrystalline photovoltaic cell panel or a CIGS flexible photovoltaic cell sheet.
7. The heat-insulating and anti-freezing device for the rainwater drainage facility according to claim 1, wherein the heat-conducting insulating layer is a heat-conducting silica gel gasket.
8. The application method of the heat-preservation and anti-freezing device for the rainwater drainage facility is characterized in that a heating component is laid on the surface of the edge of an eave of a municipal building through adhesive, a photovoltaic circuit component is arranged in an area which is close to the heating component and is easy to be irradiated by sunlight, the illumination threshold of a light-operated switch is set to be 20-50 lux, when the ambient temperature is lower than a set value of 0 ℃, the light-operated switch is turned on when the illumination is less than 20 lux, a heating layer is electrified, the light-operated switch is turned off when the illumination is greater than 50 lux, and the heating layer is powered off.
9. The application method of the heat preservation and anti-freezing device for the rainwater drainage facility is characterized in that the heating component is connected with the pipe orifice of the PVC rainwater drainage pipe in a hoop or viscose mode, the photovoltaic circuit component is arranged on the outer surface of the PVC rainwater drainage pipe or in an area easy to be irradiated by sunlight, the illumination threshold of the light-operated switch is set to be 20-50 lux, when the ambient temperature is lower than a set value of 0 ℃, the light-operated switch is turned on when the illumination is less than 20 lux, the heating layer is electrified, and is turned off when the illumination is greater than 50 lux, and the heating layer is powered off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073921.XA CN110778032A (en) | 2019-11-06 | 2019-11-06 | Heat-preservation and anti-freezing device for rainwater drainage facility and use method of heat-preservation and anti-freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073921.XA CN110778032A (en) | 2019-11-06 | 2019-11-06 | Heat-preservation and anti-freezing device for rainwater drainage facility and use method of heat-preservation and anti-freezing device |
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| CN110778032A true CN110778032A (en) | 2020-02-11 |
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| CN201911073921.XA Pending CN110778032A (en) | 2019-11-06 | 2019-11-06 | Heat-preservation and anti-freezing device for rainwater drainage facility and use method of heat-preservation and anti-freezing device |
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|---|---|---|---|---|
| DE3533616A1 (en) * | 1985-09-20 | 1987-04-02 | Sita Bauelemente | Heating unit for discharge means exposed to frost |
| US20110232210A1 (en) * | 2010-03-26 | 2011-09-29 | Richard Backe | Photovoltaic ice dam remediation apparatus |
| CN202299173U (en) * | 2011-08-29 | 2012-07-04 | 陈笑笑 | Heating drain pipe |
| CN103628632A (en) * | 2013-11-11 | 2014-03-12 | 大连理工大学 | Rain and snow water four-season collecting and storage system based on siphon principle |
| CN104728531A (en) * | 2013-12-23 | 2015-06-24 | 天津创丰高分子材料有限公司 | Heat-insulation PVC (polyvinyl chloride) plastic pipeline |
| CN204551926U (en) * | 2015-03-31 | 2015-08-12 | 中国轻工业武汉设计工程有限责任公司 | The anti-freeze outer gutter of a kind of light-steel roofing |
| CN106592886A (en) * | 2016-12-26 | 2017-04-26 | 苏州卡尔玛智能暖居科技有限公司 | Snow thawing and power generation module with controllable-temperature heating and solar power generation functions and snow thawing roof system |
| CA2928947A1 (en) * | 2016-05-05 | 2017-11-05 | Jiye Lee | Snow and ice melting system using infrared lamp |
| CN108521681A (en) * | 2018-03-30 | 2018-09-11 | 重庆尚沛电子科技有限公司 | Building structure with antifreeze function |
| CN208565840U (en) * | 2018-06-15 | 2019-03-01 | 崇州市岷江塑胶有限公司 | A kind of antifreeze resistance to compression drainpipe |
| CN208899775U (en) * | 2018-09-21 | 2019-05-24 | 浙江千业建筑设计有限公司 | A kind of roof cornice draining water antileaking apparatus |
-
2019
- 2019-11-06 CN CN201911073921.XA patent/CN110778032A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3533616A1 (en) * | 1985-09-20 | 1987-04-02 | Sita Bauelemente | Heating unit for discharge means exposed to frost |
| US20110232210A1 (en) * | 2010-03-26 | 2011-09-29 | Richard Backe | Photovoltaic ice dam remediation apparatus |
| CN202299173U (en) * | 2011-08-29 | 2012-07-04 | 陈笑笑 | Heating drain pipe |
| CN103628632A (en) * | 2013-11-11 | 2014-03-12 | 大连理工大学 | Rain and snow water four-season collecting and storage system based on siphon principle |
| CN104728531A (en) * | 2013-12-23 | 2015-06-24 | 天津创丰高分子材料有限公司 | Heat-insulation PVC (polyvinyl chloride) plastic pipeline |
| CN204551926U (en) * | 2015-03-31 | 2015-08-12 | 中国轻工业武汉设计工程有限责任公司 | The anti-freeze outer gutter of a kind of light-steel roofing |
| CA2928947A1 (en) * | 2016-05-05 | 2017-11-05 | Jiye Lee | Snow and ice melting system using infrared lamp |
| CN106592886A (en) * | 2016-12-26 | 2017-04-26 | 苏州卡尔玛智能暖居科技有限公司 | Snow thawing and power generation module with controllable-temperature heating and solar power generation functions and snow thawing roof system |
| CN108521681A (en) * | 2018-03-30 | 2018-09-11 | 重庆尚沛电子科技有限公司 | Building structure with antifreeze function |
| CN208565840U (en) * | 2018-06-15 | 2019-03-01 | 崇州市岷江塑胶有限公司 | A kind of antifreeze resistance to compression drainpipe |
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Application publication date: 20200211 |