CN110945965A - Radiator with heating device - Google Patents
Radiator with heating device Download PDFInfo
- Publication number
- CN110945965A CN110945965A CN201780091480.9A CN201780091480A CN110945965A CN 110945965 A CN110945965 A CN 110945965A CN 201780091480 A CN201780091480 A CN 201780091480A CN 110945965 A CN110945965 A CN 110945965A
- Authority
- CN
- China
- Prior art keywords
- heat
- heat generating
- tube body
- generating device
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0275—Heating of spaces, e.g. rooms, wardrobes
- H05B1/0277—Electric radiators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/52—Apparatus or processes for filling or compressing insulating material in tubes
Abstract
The present invention relates to a heat sink having a heat generating device, which is suitable for a heat sink formed by connecting a plurality of radiating fins, having a lower portion provided with a joint portion for receiving the heat generating device, and filled with a heat medium oil, the heat generating device comprising: a heat-generating tube body having high electrical conductivity; a plurality of insulation fixing devices combined with the heating tube body; and a heating coil which is combined with the insulation fixing device, is contained in the heating tube body and is connected to the power line. The outer circumferential surface of the insulating fixing device and the inner circumferential surface of the heating tube body form a gap, and the insulating fixing device comprises a heat insulation filling material filled in the gap. The outer circumference of the heating tube body is provided with an outer ring which is formed by contacting and supporting the combination part of the radiating fins. Therefore, the insulation fixing device can be prevented from being damaged, the durability is improved, the heat dissipation area is enlarged, the uniform heating area is increased, and a higher heating effect is obtained with lower power consumption.
Description
Technical Field
The present invention relates to a heat sink having a heat generating device, and more particularly, to a heat sink having a heat generating device, which increases heat efficiency to reduce power consumption.
Background
Generally, a heat generating device is used for a radiator, a hot air blower, a dish dryer, a dryer, etc.
As an embodiment of the heat generating device, according to the above-mentioned heat sink, the heat sink is installed for heating a room, and is composed of a plurality of heat dissipating fins and upper and lower coupling parts communicating with the heat dissipating fins.
The radiating fins and the cylinder are filled with heat medium oil such as water, and then a heating device is arranged on the inner side of the joint part.
In the radiator described above, the heat generating device is provided in a cylindrical body provided at a lower portion of the heat radiating fin, and the fluid in the heat radiating fin is heated by the heat generated by the heat generating device to generate heat.
The heating device is characterized in that a heating wire is inserted into a heating coil which is approximately U-shaped, the tail end of the heating coil is connected with a (+) pole and a (-) pole of a power line, and the heating wire generates heat after the power line is electrified so as to transfer heat.
But the prior art heat sink is power consuming. That is, although the conventional heat generating device with 15 pins generally consumes 3kw, the power consumption amount is large because about 1000w is consumed in the first gear mode and about 2000w is consumed in the second gear mode.
In the prior art, an insulation fixing device for supporting a heating wire is made of ceramic with magnesium as a main raw material and has the problem of easy damage.
In the prior art, the longer the length of the heating tube body in which the heating wire is accommodated is, the more easily the heating tube body sags, so that a gap is generated between the heating wire and a radiator, and the problem of internal heat medium oil leakage is caused.
[ Prior art documents ]
[ patent document ]
(patent document 1) Korean registered patent No. 10-0733280
Disclosure of Invention
[ problem ] to provide a method for producing a semiconductor device
The present invention has been made to solve the problems occurring in the prior art, and an object of the present invention is to provide a heat sink having a heat generating device, in which the heat sink having a heat generating device is improved in composition of an insulating fixing device supporting a heat generating coil to make a heat transfer rate outstanding and durability enhanced, thereby greatly reducing power consumption, improving composition of ceramics supporting a heat generating wire, preventing a brittle phenomenon, preventing a heat generating tube body from being lowered in weight, and preventing leakage of heat medium oil.
[ technical solution ] A
The object of the present invention can be achieved by a heat sink having a heat generating device, which is adapted to a heat sink formed by connecting a plurality of heat radiating fins, having a coupling portion at a lower portion thereof, the heat generating device being accommodated therein, and being filled with a heat medium oil, the heat generating device including: a heat-generating tube body having high electrical conductivity; a plurality of insulation fixing devices combined with the heating tube body; and a heating coil which is combined with the insulation fixing device, is contained in the heating tube body and is connected to the power line. The outer circumferential surface of the insulating fixing device and the inner circumferential surface of the heating tube body form a gap, and the insulating fixing device comprises a heat insulation filling material filled in the gap. The outer circumference of the heating tube body is provided with an outer ring which is formed by contacting and supporting the combination part of the radiating fins.
The method comprises the following steps: and a heat transfer member coupled to an outer circumferential surface of the heat generating pipe body, disposed on both sides of the outer ring, and supported by the coupling portion of the heat dissipating fin.
The heat transfer member is a porous metal mesh made of a mixture of copper and zinc.
The insulating fixing means is formed of a mixture of magnesium oxide, aluminum oxide, silicon dioxide, and iron oxide, is plastically worked into a cylindrical shape, has a side surface facing the longitudinal direction to form a cut groove into which the heating coil is inserted, and is arranged in series to have a length corresponding to the length of the heating tube body.
[ PROBLEMS ] the present invention
According to the invention, the insulation fixing device has the advantages that the insulation fixing device can be prevented from being damaged, the durability is improved, the heat dissipation area is enlarged, the uniform heating area is increased, and a higher heating effect is obtained with lower power consumption;
the heat energy is better preserved when the heat energy is used for a longer time without being closed for a long time, so that the heat efficiency is increased;
the defects of the current heating operation of 25 minutes of heating and 15 minutes of cutting can be overcome;
the prior insulation fixing device has more magnesium components, the elasticity is reduced, and the heat cannot be preserved for a long time, but the invention keeps the stability by improving the component composition;
the outer ring can prevent the heat generating pipe from drooping, so as to prevent the leakage of the heat medium oil.
Drawings
Fig. 1 is a cross-sectional view showing a heat sink provided with a heat generating device according to an embodiment of the present invention;
FIG. 2 is an exploded perspective view showing the "heat generating device" in FIG. 1;
fig. 3 is a cross-sectional view showing an enlarged portion of the heat generating device of fig. 1.
[ notation ] to show
100: a heat sink; 120: a bonding section;
2: a heat-generating tube body; 4: an insulating fixing device;
6: a heat generating coil; 68: a cover;
42: cutting a groove; 8: a thermally insulating filler material;
7: an outer ring; 300: a heat transfer member.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The terms described below are intended to be defined in consideration of the functional definition of the present invention, and should be interpreted in a meaning that is common or commonly accepted in the technical field and the concept conforming to the technical scheme of the present invention.
A detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
The drawings are for convenience and accuracy in explanation and understanding of the structure and operation of the technology, and some of the drawings are exaggerated or simplified in order that the components are not completely consistent with actual sizes.
In the drawings, fig. 1 is a sectional view showing a heat sink provided with a heat generating device according to an embodiment of the present invention, fig. 2 is an exploded perspective view showing the "heat generating device" in fig. 1, and fig. 3 is a sectional view showing a coupling portion of the heat generating device in fig. 1 in an enlarged manner.
As shown in fig. 1 to 3, a heat sink (a) having a heat generating device according to an embodiment of the present invention is formed by connecting a plurality of heat radiating fins (100), a coupling portion (120) for accommodating the heat generating device (H) is provided at a lower portion, and the heat radiating fins (100) and the coupling portion (120) are filled with a heat medium oil.
The heat radiating fins (100) are formed with a space inside, cylindrical ports having open holes are provided on both the upper and lower surfaces, the plurality of heat radiating fins (100) are arranged in parallel, the ports are connected to each other so as to form a connecting portion (120), and the connecting portion (120) is formed in a cylindrical shape.
The heat generating device (H) includes: a heat-generating tube body (2) having high electrical conductivity; a plurality of insulating fixing devices (4) combined in the heating tube body (2); and a heating coil (6) which is combined with the insulation fixing device (4), is accommodated in the heating tube body (2) and is connected to a power line.
The heating tube body (2) is a large-diameter tube with a hollow inner side, the front end of the tube is blocked, the rear end of the tube is provided with an opening, a heating coil (6) and an insulating fixing device (4) are inserted through the opening, and the tube comprises a cover (68) which can be combined with a combining part (120) of the radiator (A).
The heating tube body (2) is formed by copper, aluminum, stainless steel and other metals with high thermal conductivity and good electrical conductivity.
The heating coil (6) is formed in a spring shape by a nickel-chromium-iron alloy iron wire, and both ends of the heating coil (6) are connected to a (+) pole and a (-) pole of the power supply line (5) and are respectively connected to a conductive terminal of the cover (68) which seals the joint part (120) of the heat sink (100) for power supply.
In the embodiment of the present invention, the heat generating coils (6) are preferably arranged in an even number, and usually about six are suitable.
The insulation fixing device (4) is formed by plastic processing of magnesium oxide serving as a basic raw material, is approximately cylindrical, and is provided with a cutting groove (42) on the side surface, wherein the cutting groove can accommodate the heating coil (6).
The cutting groove (42) is cut on the peripheral surface of the insulating fixing device (4) from the length direction and is formed in a side-opening mode, so that the heat of the heating coil (6) can be dissipated to the outside through the cutting groove (42), and the heating efficiency is further improved.
Preferably, the insulating fixing means (4) is magnesium oxide and aluminium oxide (Al)2O3) Silicon dioxide (SiO)2) Iron oxide (Fe)2O3) Mixing the components.
The magnesium oxide has the characteristics of 40-200 meshes of coarseness and 500-550 ℃ of tolerance temperature.
Mixing the magnesium oxide with aluminum oxide (Al)2O3) Silicon dioxide (SiO)2) Iron oxide (Fe)2O3) The coarseness of the improved magnesium oxide mixture is 50 to 325 meshes, and the heat resistance is increased.
According to one embodiment, the overall mixture forming the insulating fixture (4) is formed by mixing 30-40% by weight of magnesium oxide and aluminum oxide (Al)2O3) Silicon dioxide (SiO)2) Iron oxide (Fe)2O3) The mixed mixture is mixed in an amount of 60 to 70 wt%.
When the magnesium oxide is less than 30 weight%, the heat insulating property is deteriorated, and when it exceeds 40 weight%, there is a disadvantage of brittleness.
Alumina (Al)2O3) Silicon dioxide (SiO)2) Iron oxide (Fe)2O3) Less than 60 weight percent of the mixture is less elastic and is subject to breakageThe ratio is high, and when it exceeds 70% by weight, the elasticity is high, and the heat insulating property is deteriorated.
The aluminum oxide (Al)2O3) Silicon dioxide (SiO)2) Iron oxide (Fe)2O3) The mixture to be mixed is made of alumina (Al)2O3)62 to 75 weight percent of silicon dioxide (SiO)2)27 to 37 weight percent iron oxide (Fe)2O3)0.5 to 1 weight percent of 2.40 to 2.57 volume specific gravity, 15 to 19 (%) surface porosity and 83 to 90 (N/mm) compressive strength2) The mixture was fired at 1700 ℃.
These compositions were mixed and stirred, and then placed in a mold, and subjected to plastic forming at a temperature of 1350 to 1700 ℃ in a furnace to give a substantially cylindrical shape, thereby completing a heat-resistant ceramic-based insulating fixture (4).
A cutting groove (42) into which the heating coil (6) is inserted is formed in the side surface of the insulating fixing device (4) in the longitudinal direction, and the plurality of insulating fixing devices (4) are arranged in series and have a length corresponding to the length of the heating tube body (2).
Preferably, a gap is formed between an outer circumferential surface of the insulating fixing device (4) and an inner circumferential surface of the heat generating pipe body (2).
That is, the outer diameter of the insulating fixture 4 is formed smaller than the inner diameter of the heat generating pipe body 2, and a slit 26 is formed.
The gap (26) is filled with an insulating filler material (8).
The heat insulation filling material (8) is magnesium oxide powder, and a gap between the insulation fixing device (4) and the heating pipe body (2) is filled with sufficient quantity.
Due to the characteristics of the magnesium oxide powder, the heat of the heating coil (6) is transferred to the heating tube (2), and the heat is continuously and continuously remained for a long time, thereby greatly improving the thermal efficiency.
An outer ring (7) is combined on the outer circumferential surface of the heating tube body (2). The outer ring (7) is preferably a metal ring made of iron, and the outer ring (7) and the heat sink (100) are in contact with the joint portion (120) and supported.
The outer ring (7) is supported at the center of the joint (120) of the heat sink (100), and is made of pure iron or an iron-containing alloy to withstand the load of the heat generating tube body (2) in order to prevent the heat generating tube body (2) from sagging.
The method comprises the following steps: and a heat transfer member (300) which is joined to the outer peripheral surface of the heat generating tube body (2), is disposed on both sides of the outer ring (7), and is supported by the joining sections (120) of the heat dissipating fins (100).
The heat transfer member (300) is preferably a porous metal mesh made of a mixture of copper and zinc.
The porous metal net is formed to have the same outer diameter as that of the outer ring (7), and is tightly joined to the other side of the joint (120) to provide a supporting force, thereby transmitting heat of the heat generating pipe body (2) to the heat dissipating fin (100) through the porous metal net.
The porous metal mesh has pores through which the heat medium oil can pass, and the heat medium oil is heated by contacting the heat medium oil to the outside of the heat generating pipe body (2) and circulates throughout the entire inside of the joint portion (120) of the heat dissipating fin (100).
The above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified and applied, or replaced with equivalents; such modifications and applications do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present invention.
Claims (7)
1. A heat sink with a heat generating device is characterized in that,
the heat sink is formed by connecting a plurality of heat sinks, the lower part of the heat sink is provided with a joint part for accommodating the heating device, and the joint part is filled with heat medium oil;
the heat generating device includes: a heat-generating tube body having high electrical conductivity; a plurality of insulation fixing devices combined in the heating tube body; a heating coil combined with the insulation fixing device, accommodated in the heating tube body and connected to the power line;
the outer peripheral surface of the insulating fixing device and the inner peripheral surface of the heating tube body form a gap;
and comprises a heat insulation filling material filled in the gap;
the outer circumference of the heat generating pipe body is provided with an outer ring which is in contact with the joint part of the heat radiating fins and is supported, so that the heat generating pipe body is prevented from sagging.
2. The heat sink with a heat generating device according to claim 1,
the method comprises the following steps: and a heat transfer member coupled to an outer circumferential surface of the heat generating pipe body, disposed on both sides of the outer ring, and supported by the coupling portion of the heat dissipating fin.
3. The heat sink with a heat generating device according to claim 1,
the heat transfer component is a porous metal net mixed by copper and zinc;
the porous metal mesh is cylindrical, is bonded to the outer peripheral surface of the heat generating pipe body, and is supported by the bonding portion of the heat radiating fin.
4. The heat sink with a heat generating device according to claim 1,
the insulation fixing device is composed of a mixture of magnesium oxide, aluminum oxide, silicon dioxide and ferric oxide;
the side surface of the cylindrical heating coil is formed into a cutting groove into which the heating coil is inserted towards the length direction;
the plurality of insulation fixing devices are arranged in series and inserted into the inside of the heat generating pipe body.
5. The heat sink with a heat generating device according to claim 1,
the heat insulation filling material filled in the gap is magnesium oxide powder.
6. The heat sink with a heat generating device according to claim 1,
the insulation fixing device is formed by mixing 30-40 weight percent of magnesium oxide and 60-70 weight percent of mixture of aluminum oxide, silicon dioxide and iron oxide.
7. The heat sink with a heat generating device according to claim 6,
the aluminum oxide (Al)2O3) Silicon dioxide (SiO)2) Iron oxide (Fe)2O3) The mixture to be mixed is made of alumina (Al)2O3)62 to 72 weight percent, silicon dioxide (SiO)2)27 to 37 weight percent iron oxide (Fe)2O3)0.5 to 1 weight percent.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170068650A KR101915897B1 (en) | 2017-06-01 | 2017-06-01 | A radiator equipped with a heating device |
KR10-2017-0068650 | 2017-06-01 | ||
PCT/KR2017/006662 WO2018221778A1 (en) | 2017-06-01 | 2017-06-23 | Radiator provided with heating device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110945965A true CN110945965A (en) | 2020-03-31 |
CN110945965B CN110945965B (en) | 2022-02-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201780091480.9A Active CN110945965B (en) | 2017-06-01 | 2017-06-23 | Radiator with heating device |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR101915897B1 (en) |
CN (1) | CN110945965B (en) |
WO (1) | WO2018221778A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102416565B1 (en) * | 2020-12-30 | 2022-07-05 | 최용일 | Tubular heater structure for flat panel display |
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EP0867667A2 (en) * | 1997-03-21 | 1998-09-30 | Laminox - S.r.l. | Oil radiator equipped with heat exchanger for the production of hot water |
EP0707434B1 (en) * | 1994-10-14 | 2001-01-03 | Behr GmbH & Co. | Radiator for motor vehicle heating system |
CN1401728A (en) * | 2001-08-13 | 2003-03-12 | 新Qu能源有限公司 | Device using high velocity heat transfer medium |
CN1673642A (en) * | 2004-03-22 | 2005-09-28 | 汉拏空调株式会社 | Electric heater |
KR200412830Y1 (en) * | 2006-01-09 | 2006-04-03 | 김향선 | Electronic heater |
KR100733280B1 (en) * | 2006-01-09 | 2007-06-29 | 김향선 | Heat exchanger apparatus for radiator |
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KR20080044603A (en) * | 2006-11-17 | 2008-05-21 | 치아-흐시웅 우 | Heat exchange system |
KR100870676B1 (en) * | 2007-08-24 | 2008-11-26 | 이주한 | Radiating device having electrical heater and the method inserting oil into the device |
KR20100009783A (en) * | 2008-07-21 | 2010-01-29 | 엘지전자 주식회사 | A heater |
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KR20140025881A (en) * | 2012-08-23 | 2014-03-05 | 최병국 | Pen Coil Heater Using Heat Pipe |
CN104276815A (en) * | 2013-07-09 | 2015-01-14 | 上海敬开德精密陶瓷有限公司 | Oxide ceramic material with high thermal conductivity and preparation method thereof |
CN104610930A (en) * | 2015-02-02 | 2015-05-13 | 孙建林 | Solar water heater |
CN105869711A (en) * | 2016-06-17 | 2016-08-17 | 辽宁嘉顺化工科技有限公司 | Insulating layer material of iron disk electric heating element and preparation method of insulating layer material |
CN106057281A (en) * | 2016-06-08 | 2016-10-26 | 大石桥市美尔镁制品有限公司 | Sheath type magnesium oxide for fire-proof cable, and preparation method thereof |
FR3028708B3 (en) * | 2014-11-14 | 2017-02-10 | Rotfil Srl | HEATED CARTRIDGE FOR ELECTRIC RADIATOR |
-
2017
- 2017-06-01 KR KR1020170068650A patent/KR101915897B1/en active IP Right Grant
- 2017-06-23 CN CN201780091480.9A patent/CN110945965B/en active Active
- 2017-06-23 WO PCT/KR2017/006662 patent/WO2018221778A1/en active Application Filing
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EP0707434B1 (en) * | 1994-10-14 | 2001-01-03 | Behr GmbH & Co. | Radiator for motor vehicle heating system |
EP0867667A2 (en) * | 1997-03-21 | 1998-09-30 | Laminox - S.r.l. | Oil radiator equipped with heat exchanger for the production of hot water |
CN1401728A (en) * | 2001-08-13 | 2003-03-12 | 新Qu能源有限公司 | Device using high velocity heat transfer medium |
CN1673642A (en) * | 2004-03-22 | 2005-09-28 | 汉拏空调株式会社 | Electric heater |
KR200412830Y1 (en) * | 2006-01-09 | 2006-04-03 | 김향선 | Electronic heater |
KR100733280B1 (en) * | 2006-01-09 | 2007-06-29 | 김향선 | Heat exchanger apparatus for radiator |
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KR100870676B1 (en) * | 2007-08-24 | 2008-11-26 | 이주한 | Radiating device having electrical heater and the method inserting oil into the device |
CN101910722A (en) * | 2007-12-28 | 2010-12-08 | 夏普株式会社 | Radiator, and lighting device |
KR20100009783A (en) * | 2008-07-21 | 2010-01-29 | 엘지전자 주식회사 | A heater |
WO2011111727A1 (en) * | 2010-03-11 | 2011-09-15 | 中部電力株式会社 | Insulating polymer material composition |
CN103022944A (en) * | 2011-09-20 | 2013-04-03 | 江苏江鹤滑线电气有限公司 | Magnesium oxide mineral insulation bus |
KR20140025881A (en) * | 2012-08-23 | 2014-03-05 | 최병국 | Pen Coil Heater Using Heat Pipe |
CN104276815A (en) * | 2013-07-09 | 2015-01-14 | 上海敬开德精密陶瓷有限公司 | Oxide ceramic material with high thermal conductivity and preparation method thereof |
CN103539438A (en) * | 2013-09-27 | 2014-01-29 | 昆山市奋发绝缘材料有限公司 | Pollution-resistant porcelain insulator |
FR3028708B3 (en) * | 2014-11-14 | 2017-02-10 | Rotfil Srl | HEATED CARTRIDGE FOR ELECTRIC RADIATOR |
CN104610930A (en) * | 2015-02-02 | 2015-05-13 | 孙建林 | Solar water heater |
CN106057281A (en) * | 2016-06-08 | 2016-10-26 | 大石桥市美尔镁制品有限公司 | Sheath type magnesium oxide for fire-proof cable, and preparation method thereof |
CN105869711A (en) * | 2016-06-17 | 2016-08-17 | 辽宁嘉顺化工科技有限公司 | Insulating layer material of iron disk electric heating element and preparation method of insulating layer material |
Also Published As
Publication number | Publication date |
---|---|
KR101915897B1 (en) | 2018-11-06 |
WO2018221778A1 (en) | 2018-12-06 |
CN110945965B (en) | 2022-02-15 |
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