CN108506644B - Heat preservation section bar and water heater - Google Patents
Heat preservation section bar and water heater Download PDFInfo
- Publication number
- CN108506644B CN108506644B CN201710115398.7A CN201710115398A CN108506644B CN 108506644 B CN108506644 B CN 108506644B CN 201710115398 A CN201710115398 A CN 201710115398A CN 108506644 B CN108506644 B CN 108506644B
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- Prior art keywords
- heat
- insulating
- section bar
- air inlet
- micro
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000004321 preservation Methods 0.000 title claims description 3
- 239000011241 protective layer Substances 0.000 claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims description 44
- 238000009413 insulation Methods 0.000 claims description 42
- 239000002131 composite material Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 8
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000002985 plastic film Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011858 nanopowder Substances 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 claims description 4
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052743 krypton Inorganic materials 0.000 claims description 4
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003605 opacifier Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 229910052724 xenon Inorganic materials 0.000 claims description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000001544 dysphoric effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/08—Means for preventing radiation, e.g. with metal foil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a heat-insulating section bar and a water heater, wherein the heat-insulating section bar comprises a plurality of micro-bubbles and at least one layer of protective layer wrapping the micro-bubbles, the protective layer is provided with an air inlet hole and an air outlet hole, each micro-bubble is provided with an opening, adjacent micro-bubbles are communicated through the opening, each micro-bubble is filled with heat-insulating gas, and an air inlet pipe is further arranged in the heat-insulating section bar and inserted into the heat-insulating section bar through the air inlet hole. The heat-insulating section bar comprises the micro bubbles filled with the heat-insulating gas, and the heat-insulating gas with low heat conductivity is filled into the air inlet pipe of the heat-insulating section bar through the air inlet holes, so that the heat conductivity of the heat-insulating section bar is reduced, and the heat-insulating performance of the heat-insulating section bar is improved.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a heat-insulating section bar and a water heater using the heat-insulating section bar.
Background
At present, vacuum insulation panels (Vacuum Insulation Panel, abbreviated as VIP) are gradually applied to the field of heat insulation materials of water heaters based on low heat conduction coefficient (8 mW/(m·k)), but the reliability of the VIP is reduced to a certain extent due to the fact that the VIP needs to be kept bent for a long time when the liner wrapping the water heater is wound, and the pressure difference between the low internal pressure of the VIP and the external atmospheric pressure is large, so that the VIP is easy to permeate gas, is further damaged mechanically, and the heat conduction coefficient is increased, so that the heat insulation performance of the water heater is affected.
Disclosure of Invention
The invention mainly aims to provide a heat-insulating section bar, which aims to solve the technical problem that the heat-insulating performance of a water heater is reduced due to the increase of the heat conductivity coefficient of the existing heat-insulating material.
In order to achieve the above object, the present invention provides a heat-insulating profile, which includes a plurality of microbubbles and at least one protective layer wrapping the microbubbles;
the protective layer is provided with an air inlet and an air outlet;
each micro bubble is provided with an opening, adjacent micro bubbles are communicated through the openings, and each micro bubble is filled with heat insulation gas;
an air inlet pipe is further arranged in the heat-insulating section bar, and the air inlet pipe is inserted into the heat-insulating section bar through the air inlet hole.
Further, a plurality of ventilation holes are formed in the pipe wall of the air inlet pipe, and the ventilation holes are opposite to the openings of the microbubbles respectively.
Further, the thermal conductivity of the insulating gas is lower than 25 mW/(mK).
Further, the heat insulating gas is at least one of argon, krypton, xenon, carbon dioxide, cyclopentane and isopentane.
Further, the size of the microbubbles in either direction is less than 3mm.
Further, gaps are formed among the microbubbles, and the heat insulation gas is filled in the gaps.
Further, the heat-insulating section bar is also filled with nanometer powder for reflecting heat radiation.
Further, the nano powder is SiO 2 Powder, infrared opacifier, graphite powder, carbon black powder or their mixture.
Further, the air inlet and the air outlet are distributed at the upper end, the lower end, the left end and the right end of the protective layer, the position of the air inlet is lower than that of the air outlet, and the heat-insulating section bar further comprises a sealing piece for sealing the air inlet and the air outlet.
Further, the material of the protective layer and the microbubbles is one or more than two layers of composite film materials of a plastic film, a metal foil composite plastic film and a plastic composite film plated with a metal layer.
Further, the heat-insulating section bar also comprises a reflecting layer arranged on the inner surface and/or the outer surface of the protective layer.
Another object of the present invention is to provide a water heater, wherein the outer wall of the inner container of the water heater is coated with the heat-insulating profile.
The heat-insulating section bar provided by the invention is applied to a water heater, and comprises a plurality of micro-bubbles and at least one layer of protective layer wrapping the micro-bubbles, wherein the protective layer is provided with an air inlet hole and an air outlet hole, each micro-bubble is provided with an opening, adjacent micro-bubbles are communicated through the opening, each micro-bubble is filled with heat-insulating gas, and an air inlet pipe is further arranged in the heat-insulating section bar and is inserted into the heat-insulating section bar through the air inlet hole. The heat-insulating section bar comprises the micro bubbles filled with the heat-insulating gas, and the heat-insulating gas with low heat conductivity is filled into the air inlet pipe of the heat-insulating section bar through the air inlet holes, so that the heat conductivity of the heat-insulating section bar is reduced, and the heat-insulating performance of the heat-insulating section bar is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a thermal insulation profile of the present invention;
fig. 2 is an enlarged view of the intake port of fig. 1.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Thermal insulation section bar | 21 | An opening |
| 10 | Protective layer | 30 | Air inlet pipe |
| 11 | Air inlet hole | 31 | Air vent |
| 12 | Exhaust hole | 40 | Reflective layer |
| 20 | Microbubbles are provided |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a heat-insulating section bar which is applied to a water heater.
Referring to fig. 1 and 2, the thermal profile 100 comprises a plurality of micro-bubbles 20, and at least one protective layer 10 surrounding the plurality of micro-bubbles 20;
the protective layer 10 is provided with an air inlet 11 and an air outlet 12;
each micro bubble 20 is formed with an opening 21, adjacent micro bubbles 20 are communicated through the openings 21, and each micro bubble 20 is filled with heat insulation gas;
an air inlet pipe 30 is further arranged in the heat-insulating section bar 100, and the air inlet pipe 30 is inserted into the heat-insulating section bar 100 through the air inlet hole 11.
In this embodiment, the heat insulation section 100 includes a protective layer 10, in other embodiments, the protective layer 10 may further include a plurality of protective layers 10 stacked, the protective layer 10 wraps a plurality of microbubbles 20, each microbubble 20 is filled with heat insulation gas, each microbubble 20 is further formed with an opening 21, two adjacent microbubbles 20 in any group are all communicated through the opening 21, so that when the heat insulation gas is filled, the single microbubbles 20 do not need to be filled with the heat insulation gas alone, in order to facilitate air pressure adjustment of the heat insulation section, remove the mixed air, and fill the heat insulation gas, an air inlet 11 and an air outlet 12 for facilitating air pumping are further disposed on the protective layer 10, an air inlet pipe 30 is further disposed in the heat insulation section 100, the air inlet pipe 30 is inserted into the heat insulation section 100 through the air inlet 11, a plurality of air holes 31 are further disposed on the pipe wall of the air inlet pipe 30, and the plurality of air holes 31 are respectively opposite to the openings 21 of the microbubbles 20, in other embodiments, the air holes 31 may be further designed as nozzles to increase the air outlet strength.
The heat-insulating section bar 100 is applied to a water heater, the heat-insulating section bar 100 comprises a plurality of micro-bubbles 20 and at least one layer of protective layer 10 wrapping the micro-bubbles 20, the protective layer 10 is provided with an air inlet hole 11 and an air outlet hole 12, each micro-bubble 20 is provided with an opening 21, adjacent micro-bubbles 2 are communicated through the opening 21, each micro-bubble 20 is filled with heat-insulating gas, an air inlet pipe 30 is further arranged in the heat-insulating section bar 100, and the air inlet pipe 30 is inserted into the heat-insulating section bar 100 through the air inlet hole 11. The heat-insulating section bar 100 comprises the micro bubbles 20 filled with the heat-insulating gas, and the heat-insulating gas with lower heat conductivity can be filled into the air inlet pipe 30 of the heat-insulating section bar 100 through the air inlet holes 11, so that the heat conductivity of the heat-insulating section bar 100 is reduced, the heat-insulating performance of the heat-insulating section bar 100 is improved, and the heat-insulating gas filled with the heat-insulating gas can lead the heat-insulating gas of the heat-insulating section bar 100 to be rearranged and distributed when the heat-insulating section bar 100 is wrapped with the inner container of the water heater for a long time, so that the mechanical damage can not occur, and the service life and the heat-insulating effect of the heat-insulating section bar are further improved.
Further, the thermal conductivity of the insulating gas is lower than 25 mW/(mK), preferably, the insulating gas is at least one of argon, krypton, xenon, carbon dioxide, cyclopentane and isopentane.
In this embodiment, the heat insulation gas with a thermal conductivity of less than 25 mW/(m·k), preferably less than 15 mW/(m·k) is filled in the heat insulation layer Wen Xingcai to reduce the thermal conductivity of the heat insulation profile 100 and improve the heat insulation performance thereof. The heat insulating gas may be any one of argon, krypton, xenon, carbon dioxide, cyclopentane and isopentane, or may be a mixture of two or more gases in any combination and in any ratio.
Further, the size of the microbubbles 20 in either direction is less than 3mm.
In this embodiment, the diameter of the micro-bubbles 20 is generally smaller than 3mm, so as to ensure that the heat convection inside each micro-bubble 20 is ensured, and when the heat insulation gas is filled, the micro-bubbles 20 reach full pressure as much as possible, so that the internal pressure of the micro-bubbles 20 and the heat insulation section bar 100 is consistent with the external atmospheric pressure, and the air leakage caused by the pressure difference between the inside and the outside of the heat insulation section bar 100 is prevented, and the mechanical damage to the heat insulation section bar is further reduced, thereby further reducing the possibility of weakening the performance of the heat insulation section bar 100.
Further, referring to fig. 1 and 2, gaps (not shown) are formed between the microbubbles 20, and the heat insulating gas is also filled in the gaps.
In this embodiment, the microbubbles 20 are arranged in a sphere shape, and in other embodiments, the microbubbles may be configured in a hexahedral shape, a tetragonal shape, or other shapes, and gaps are formed between adjacent microbubbles 20 when the microbubbles are arranged and distributed, and the heat insulation gas is further filled in the gaps in order to further reduce the average heat conductivity coefficient of the heat insulation profile 100.
Further, the heat-insulating section 100 is further filled with a nano powder for reflecting heat radiation, and the nano powder is SiO 2 Powder, infrared opacifier, graphite powder, carbon black powder or their mixture.
In this embodiment, in order to further reduce the heat transfer of the heat-insulating profile 100 and the gas in the microbubbles 20, the inside of the heat-insulating profile Wen Xingcai is further filled with a nano powder with dysphoric heat radiation, which may be SiO 2 Any one of powder, infrared opacifier, graphite powder and carbon black powder, or a mixture of two or more of the above powder and the powder can be arbitrarily combined, and the nano powder is preferably SiO 2 And (5) powder.
Further, referring to fig. 1 and 2, the air inlet 11 and the air outlet 12 are disposed at the upper and lower or left and right ends of the protective layer 10, and the position of the air inlet 11 is lower than that of the air outlet 12, and the heat-insulating profile 100 further comprises a sealing member for sealing the air inlet 11 and the air outlet 12.
In this embodiment, the protection layer 10 is further provided with an air inlet 11 and an air outlet 12, because the density of the heat-insulating gas is greater than that of air, in order to facilitate the air inflation of the heat-insulating section 100, the air inlet 11 and the air outlet 12 are distributed at the upper end, the lower end, the left end and the right end of the protection layer 10, and the position of the air inlet 11 is lower than that of the air outlet 12, when the heat-insulating section 100 is inflated, the heat-insulating section 100 is horizontally placed, and then the heat-insulating gas is inflated through the air inlet 11, and the heat-insulating gas can squeeze the air in the gap between the micro-bubbles 20 and the micro-bubbles 20 to be exhausted through the air outlet 12, and the sealing member for sealing the air inlet 11 and the air outlet 12 can be an electric control electromagnetic valve or a manually controlled low pressure valve.
Further, the material of the protective layer 10 and the microbubbles 20 is one or more than two layers of plastic film, metal foil composite plastic film, and plastic composite film plated with metal layer.
In this embodiment, the protective layer 10 and the micro-bubbles 20 are made of a soft film with relatively low thermal conductivity and air impermeability, such as a plastic film, a metal foil composite plastic film, or a composite film material of one or more than two layers of plastic composite films coated with metal layers, so that on one hand, the heat insulation effect of the heat insulation section bar can be further enhanced, and on the other hand, the heat insulation section bar has better flexibility and is more convenient to be applied to the installation of a water heater.
Further, referring to fig. 1 and 2, the thermal insulation profile 100 further comprises a reflective layer 40 provided on the inner and/or outer surface of the protective layer 10.
In this embodiment, the inner surface and/or the outer surface of the protective layer 10 is further provided with a reflective layer 40 that reflects heat transfer and does not add an additional edge thermal bridge effect, and the reflective layer 40 is a film layer or a coating layer, so that the heat insulation performance of the heat insulation section bar 100 can be further improved by reflecting radiant heat by the reflective layer 40, and the reflective layer 40 may be one or more layers of a metal foil composite plastic film, a plastic composite film coated with a metal layer, a metal reflective coating layer, and a nano reflective coating layer.
The heat-insulating profile 100 of the present invention may be inflated as follows:
firstly, pumping air in the micro-bubbles 20 and gaps between the micro-bubbles 20 through the air exhaust holes 12 by using an air pumping device such as a vacuum pump, then sealing the air exhaust holes 12 after a first preset time, namely, after a predicted air complete pumping time, opening the air inlet holes 11 to charge heat insulation gas into the micro-bubbles 20 and gaps between the micro-bubbles 20 through the air inlet pipes 30, and finally stopping charging after a second preset time, namely, after a time when the heat insulation gas preset according to the total volume of the micro-bubbles 20 and the total volume of the gaps can be completely filled, sealing the air inlet holes 11, and completing charging of the heat insulation profile 100;
secondly, setting full pressure values according to the material composition of the micro-bubbles 20 and the protective layer 10, continuously filling heat insulation gas into gaps between the micro-bubbles 20 and the micro-bubbles 20 through the air inlet holes 11 and the air inlet pipes 30 within preset time, and finally stopping inflating when the micro-bubbles 20 and the protective layer 10 are detected to be full pressure, and sealing the air inlet holes 11 and the air outlet holes 12 to complete inflating of the heat insulation section bar 100;
setting full pressure values according to the material composition of the micro-bubbles 20 and the protective layer 10, then extracting air in the gaps between the micro-bubbles 20 and the micro-bubbles 20 through the exhaust holes 12, simultaneously filling heat insulation gas into the gaps between the micro-bubbles 20 and the micro-bubbles 20 through the air inlet holes 11 and the air inlet pipes 30, and finally stopping exhausting and inflating when the full pressure of the micro-bubbles 20 and the protective layer 10 is detected, and sealing the exhaust holes 12 and the air inlet holes 11 to finish the inflation of the heat insulation profile 100;
fourthly, placing the heat-insulating section bar 100 in an environment filled with heat-insulating gas, then extracting air in the micro-bubbles 20 and the gaps between the micro-bubbles 20 through the air exhaust holes 12, opening the air inlet holes 11 after extracting for a preset time, filling the heat-insulating gas into the gaps between the micro-bubbles 20 and the micro-bubbles 20 through the air inlet pipe 30 by utilizing the internal and external pressure difference of the heat-insulating section bar 100, and finally sealing the air exhaust holes 12 and the air inlet holes 11 when detecting the internal and external pressure balance of the heat-insulating section bar 100.
Another object of the present invention is to provide a water heater, the outer wall of the inner container of which is covered with the heat-insulating profile 100 as described above.
In this embodiment, the outer wall of the liner of the water heater is coated with the heat-insulating section bar 100 as described above, the heat-insulating section bar 100 includes a plurality of microbubbles 20, and at least one protective layer 10 wrapping the microbubbles 20, the protective layer 10 is provided with an air inlet 11 and an air outlet 12, each microbubble 20 is formed with an opening 21, adjacent microbubbles 2 are communicated through the opening 21, each microbubble 20 is further filled with a heat-insulating gas, an air inlet pipe 30 is further provided in the heat-insulating section bar 100, and the air inlet pipe 30 is inserted into the heat-insulating section bar 100 through the air inlet 11. The heat-insulating section bar 100 arranged between the inner container and the outer shell of the water heater is inserted into the air inlet pipe 30 of the heat-insulating section bar 100 through the air inlet hole 11, heat-insulating gas with lower heat conductivity is filled, the heat conductivity of the heat-insulating section bar 100 is reduced, the heat-insulating performance of the heat-insulating section bar 100 is improved, and when the heat-insulating section bar 100 is wrapped by the inner container of the water heater and is bent for a long time, the heat-insulating gas of the heat-insulating section bar 100 is rearranged and distributed, mechanical damage is avoided, and the service life and heat-insulating effect of the heat-insulating section bar are further improved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (8)
1. The heat-insulating section bar is characterized by comprising a plurality of micro bubbles and at least one protective layer wrapping the micro bubbles;
the protective layer is provided with an air inlet and an air outlet;
each micro bubble is provided with an opening, adjacent micro bubbles are communicated through the openings, and each micro bubble is filled with heat insulation gas; the heat conductivity coefficient of the heat insulation gas is lower than 25 mW/(m.K); the size of the micro-bubbles in any direction is smaller than 3mm; the material of the protective layer and the microbubbles is one or more than two layers of composite film materials of a metal foil composite plastic film and a plastic composite film plated with a metal layer;
an air inlet pipe is further arranged in the heat-insulating section bar, and the air inlet pipe is inserted into the heat-insulating section bar through the air inlet hole;
the pipe wall of the air inlet pipe is provided with a plurality of air holes, and the air holes are respectively opposite to the openings of the micro bubbles.
2. The insulating profile of claim 1, wherein the insulating gas is at least one of argon, krypton, xenon, carbon dioxide, cyclopentane, and isopentane.
3. The heat-insulating profile according to claim 1, wherein gaps are formed between the microbubbles, and the heat-insulating gas is further filled in the gaps.
4. The heat-insulating profile according to claim 1, characterized in that the heat-insulating profile is also filled with nano-powder against heat radiation.
5. The heat preservation section bar according to claim 4, wherein the nano powder is SiO 2 Powder, infrared opacifier, graphite powder, carbon black powder or their mixture.
6. The heat-insulating section bar according to claim 1, wherein the air inlet holes and the air outlet holes are distributed at the upper end, the lower end, the left end and the right end of the protective layer, and the positions of the air inlet holes are lower than the positions of the air outlet holes, and the heat-insulating section bar further comprises a sealing piece for sealing the air inlet holes and the air outlet holes.
7. The heat-insulating profile according to claim 1, further comprising a reflective layer provided on the inner and/or outer surface of the protective layer.
8. A water heater, wherein the outer wall of the inner container of the water heater is coated with the heat-insulating profile according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115398.7A CN108506644B (en) | 2017-02-28 | 2017-02-28 | Heat preservation section bar and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115398.7A CN108506644B (en) | 2017-02-28 | 2017-02-28 | Heat preservation section bar and water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506644A CN108506644A (en) | 2018-09-07 |
| CN108506644B true CN108506644B (en) | 2023-12-19 |
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|---|---|---|---|
| CN201710115398.7A Active CN108506644B (en) | 2017-02-28 | 2017-02-28 | Heat preservation section bar and water heater |
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| Country | Link |
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| CN (1) | CN108506644B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108506646B (en) * | 2017-02-28 | 2024-04-26 | 芜湖美的厨卫电器制造有限公司 | Heat preservation section bar and water heater |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207957U (en) * | 1986-10-09 | 1987-12-09 | 李德敏 | Inflatable multi-capsule plastic thermal insulation quilt |
| CN2268834Y (en) * | 1996-11-18 | 1997-11-26 | 淄博市临淄镭射技术研究所 | Self binding thermal insulation composite sectional materials |
| DE202011050485U1 (en) * | 2011-06-19 | 2011-10-13 | Viktor Schatz | insulating element |
| CN103306581A (en) * | 2012-03-06 | 2013-09-18 | 上海百理物业管理有限公司 | Sectional material |
| CN103307411A (en) * | 2012-03-15 | 2013-09-18 | 李书营 | Inflating and deflating type heat insulation material |
| CN205479793U (en) * | 2016-04-10 | 2016-08-17 | 潘能红 | Raceway prevents frostbite |
| CN207195960U (en) * | 2017-02-28 | 2018-04-06 | 芜湖美的厨卫电器制造有限公司 | Heat-insulating profile and water heater |
-
2017
- 2017-02-28 CN CN201710115398.7A patent/CN108506644B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207957U (en) * | 1986-10-09 | 1987-12-09 | 李德敏 | Inflatable multi-capsule plastic thermal insulation quilt |
| CN2268834Y (en) * | 1996-11-18 | 1997-11-26 | 淄博市临淄镭射技术研究所 | Self binding thermal insulation composite sectional materials |
| DE202011050485U1 (en) * | 2011-06-19 | 2011-10-13 | Viktor Schatz | insulating element |
| CN103306581A (en) * | 2012-03-06 | 2013-09-18 | 上海百理物业管理有限公司 | Sectional material |
| CN103307411A (en) * | 2012-03-15 | 2013-09-18 | 李书营 | Inflating and deflating type heat insulation material |
| CN205479793U (en) * | 2016-04-10 | 2016-08-17 | 潘能红 | Raceway prevents frostbite |
| CN207195960U (en) * | 2017-02-28 | 2018-04-06 | 芜湖美的厨卫电器制造有限公司 | Heat-insulating profile and water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108506644A (en) | 2018-09-07 |
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