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WO2018076544A1 - Réchauffeur d'huile - Google Patents

Réchauffeur d'huile Download PDF

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Publication number
WO2018076544A1
WO2018076544A1 PCT/CN2016/113778 CN2016113778W WO2018076544A1 WO 2018076544 A1 WO2018076544 A1 WO 2018076544A1 CN 2016113778 W CN2016113778 W CN 2016113778W WO 2018076544 A1 WO2018076544 A1 WO 2018076544A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
oil
side air
oil heater
fins
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.)
Ceased
Application number
PCT/CN2016/113778
Other languages
English (en)
Chinese (zh)
Inventor
岳宝
王文鹏
陈小潭
周伟平
杜文波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Environment Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Environment Appliances Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, GD Midea Environment Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2018076544A1 publication Critical patent/WO2018076544A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/08—Electric heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/20—Heat consumers
    • F24D2220/2009—Radiators
    • F24D2220/2036—Electric radiators

Definitions

  • the invention relates to the technical field of living appliances, in particular to an oil heater.
  • the current working principle of the oil heater is to use an electric heating rod to heat the heat transfer oil in the metal cavity, and then the high temperature heat transfer oil transfers heat to the ambient air through the metal cavity and the heat sink on the cavity to achieve the purpose of heating the user. .
  • the edge of the heat sink of the oil heater generally leaves a very thin air chamber, and a through hole is designed at a certain distance on the air chamber, and the air enters the air chamber through the through hole, due to the air
  • the thermal conductivity is much lower than that of metal (usually stainless steel), so the oil heater in the related art can achieve the purpose of isolating a part of the heat at the edge of the heat sink.
  • the oil heaters rely solely on the air insulation design of the air chamber, and cannot sufficiently cool the edges of the heat sink, and there is a danger of burns during the use of the user.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent.
  • the present invention provides an oil heater, which can increase the heat dissipation area of the edge of the heat sink, increase the flow intensity of the air on the inner surface of the heat sink, reduce the temperature of the edge of the heat sink, and enhance the heat dissipation capability of the heat sink. Avoid the risk of burns during the use of the oil heater.
  • An oil heater includes: two oil pipes, the two oil pipes are spaced apart in an up-and-down direction; a plurality of heat sinks, two ends of each of the heat sinks are respectively disposed on the two In the oil pipe, each of the fins is provided with an oil passage communicating with the two oil pipes, and at least one side edge of each of the fins is provided with an air chamber spaced from the oil passage.
  • the air chamber has an air inlet and a top air outlet provided at the top of the air chamber, and the air chambers on the same side of two adjacent heat sinks are in contact.
  • An oil heater according to an embodiment of the present invention is provided with an air chamber having an air inlet and a top air outlet at an edge of the heat sink, and the air chambers on the same side of the adjacent two heat sinks are in contact. Furthermore, the heat dissipation area of the edge of the heat sink is increased, the flow intensity of the air on the inner surface of the heat sink and the air on the outer surface is increased, the temperature of the edge of the heat sink is lowered, the heat dissipation capability of the heat sink is enhanced, and the user is avoided. There is a danger of burns during the oil heater.
  • the air chambers are provided on both side edges of each of the fins, and the adjacent air chambers on the same side are in contact with each other.
  • the oil heater further comprises a bimetal temperature control element for detecting the temperature of the heat transfer oil, and the power source is cut off when the temperature of the heat transfer oil reaches a temperature set by a user.
  • the air inlet includes a side air inlet provided at a side of the air chamber, and a side air outlet is provided on an inner side wall of the air chamber.
  • the oil heater comprises a plurality of sets of fins, each set of fins comprising two of the fins, the air chambers of each set of the fins on the same side
  • the side air inlets are disposed adjacent to each other and the side air outlets are disposed away from each other.
  • the air chambers on the same side of the plurality of fins have the same shape, and the side air inlets and the side air outlets of each of the air chambers are located in the air Both sides of the vertical centerline of the chamber.
  • the side air inlets of each of the air chambers and the side air outlets are correspondingly disposed.
  • each of the air chambers includes a plurality of the side air inlets spaced apart in a longitudinal direction of the oil pipe, and the side air outlets of each of the air chambers are plural and It is disposed in one-to-one correspondence with a plurality of the side air inlets.
  • the height of the side air inlet is lower than the height of the side air outlet.
  • the side air inlet and the side air outlet are respectively formed as rectangular holes extending in a vertical direction.
  • the aspect ratio of the side air inlet and the side air outlet are all in the range of 6-10.
  • the side air inlet and the side air outlet are respectively a plurality, and the plurality of the side air inlets and the plurality of side air outlets are vertically spaced on the heat sink distributed.
  • the side air outlets of each of the air chambers are two and distributed on both sides of a portion of the heat sink defining the oil passage.
  • FIG. 1 is a top plan view of an oil heater according to an embodiment of the present invention.
  • FIG. 2 is a partial schematic view of a heat sink in an oil heater according to an embodiment of the present invention
  • FIG. 3 is a partial schematic view of a heat sink in an oil heater according to further embodiments of the present invention.
  • FIG. 4 is a partial schematic view of a heat sink in an oil heater according to still another embodiment of the present invention.
  • FIG. 5 is a comparison diagram of temperature profiles of edges of a heat sink and a related art heat sink according to an embodiment of the present invention
  • FIG. 6 is a graph comparing heat dissipation power of an oil heater and a related art oil heater according to an embodiment of the present invention.
  • Heat sink 1 air chamber 11; side air inlet 110; side air outlet 111; heat sink group 2;
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the oil heater 100 includes: two oil pipes 3 and a plurality of fins 1.
  • each fin 1 is provided with an oil passage (not shown) communicating with the two oil pipes 3, that is, two oil pipes 3
  • the oil passages of the plurality of fins 1 communicate to form an oil circulation circuit.
  • At least one side edge of each fin 1 is provided with an air chamber 11 spaced from the oil passage, and the air chamber 11 has an air inlet and a top air outlet (not shown) provided at the top of the air chamber 11.
  • the air chambers 11 on the same side of the adjacent two fins 1 are in contact.
  • each of the fins 1 is provided with an air chamber 11 on both side edges thereof, and adjacent air chambers 11 on the same side are in contact.
  • the cross-sectional area of the air chamber 11 at the edge of the heat sink 1 of the oil heater 100 is maximized, thereby increasing the heat dissipation area of the edge of the heat sink 1, and increasing the cooling air staying in the air chamber 11.
  • the time facilitates the convective heat transfer inside the air chamber 11, improves the heat dissipation efficiency of the edge of the heat sink 1, and lowers the temperature of the edge of the heat sink 1.
  • the oil heater 100 further includes a heating rod disposed in the oil pipe 3 located below to heat the heat transfer oil in the oil pipe 3.
  • the oil heater 100 is equipped with a bimetal temperature control element when the temperature of the heat transfer oil reaches The temperature control element automatically disconnects the power supply when the temperature is set by the user. Thereby, the safety and reliability of the oil heater 100 is improved.
  • the oil heater 100 When the oil heater 100 is turned on, the heat transfer oil in the lower oil pipe 3 is heated by the heating rod, and then the high temperature heat transfer oil rises through the oil passage in the plurality of fins 1 to the oil pipe 3 located above. Forming an oil circuit circulation, the oil heater 100 radiates heat of the heat transfer oil through the surfaces of the two oil pipes 3 and the peripheral wall of the heat sink 1, thereby heating the surrounding space environment, and the air cooled heat transfer oil is lowered to the oil pipe 3 located below. The middle is heated by the heating rod to start a new cycle.
  • the cold air outside the oil heater 100 enters the interior of the air chamber 11 through the air inlet of the air chamber 11, and flows out through the top air outlet, that is, the air chamber 11 at the edge of the heat sink 1 is formed.
  • the air flow passage cools the edge of the heat sink 1 during the flow of the air, thereby lowering the temperature of the edge of the heat sink 1.
  • the oil heater 100 according to the embodiment of the present invention is provided with an air chamber 11 at the edge of the heat sink 1, and the heat sink 1 of the oil heater 100 of the embodiment of the present invention is compared with the oil heater of the related art.
  • the air gap of the edge is enlarged, so that the heat dissipation area at the edge of the heat sink 1 can be increased, the heat dissipation at the edge of the heat sink 1 is facilitated, and the temperature at the outermost edge of the heat sink 1 is lowered.
  • the air chambers 11 on the same side of the adjacent two fins 1 are in contact, so that the cross-sectional area of the air chamber 11 at the edge of the fin 1 of the oil heater 100 is maximized, thereby increasing heat dissipation.
  • the heat dissipation area of the edge of the sheet 1 increases the time that the cold air stays in the air chamber 11, facilitates the convective heat transfer inside the air chamber 11, improves the heat dissipation efficiency of the edge of the heat sink 1, and reduces the heat sink 1 The temperature of the edge.
  • the inventors have found through a large number of experiments that, as shown in FIG. 5 to FIG. 6, the oil temperature heater 100 of the embodiment of the present invention has lower the edge temperature of the heat sink 1 to the user's safe use compared with the oil heater of the related art. Range, the temperature drop reaches 50%. The heat dissipation power is increased by 27%.
  • the oil heater 100 by providing an air chamber 11 having an air inlet and a top air outlet at the edge of the heat sink 1, and air chambers on the same side of the adjacent two heat sinks 1 Room 11 is in contact. Further, the heat dissipation area of the edge of the heat sink 1 is increased, the flow intensity of the air on the inner surface of the air chamber 11 of the heat sink 1 is increased, the temperature of the edge of the heat sink 1 is lowered, and the heat dissipation capability of the heat sink 1 is enhanced. The risk of burns during the use of the oil heater 100 is avoided.
  • the intake port includes a side air inlet 110 provided at a side of the air chamber 11, and a side air outlet 111 is provided on an inner side wall of the air chamber 11.
  • a side air outlet 111 is provided on an inner side wall of the air chamber 11.
  • the "high temperature zone” merely indicates that the temperature of the region of the heat sink 1 where the oil passage is disposed is higher than the temperature of the region of the heat sink 1 where the air chamber 11 is provided, and not Refers to the specific temperature value.
  • the oil heater 100 includes a plurality of sets of fins 2, each set of fins 2 including two fins 1, the air chambers 11 of the same side of each set of fins 2
  • the side air inlets 110 are disposed adjacent to each other and the side air outlets 111 are disposed away from each other.
  • the side air inlet 110 and the side air outlet 111 of each air chamber 11 are formed to be oppositely deflected, so that the horizontal cold air outside the oil heater 100 enters the air.
  • the air chamber 11 can flow for a longer period of time, so that sufficient convective heat transfer can be performed in the air chamber 11, the heat dissipation efficiency of the edge of the heat sink 1 can be improved, and the temperature of the edge of the heat sink 1 can be lowered. .
  • the cold air flowing out from the side air outlets 111 enters the high temperature region of the oil passage portion between the adjacent two fins 1, and the convection heat exchange is continued, so that the high temperature region of the oil passage portion can be cooled.
  • the air chambers 11 on the same side of the plurality of fins 1 have the same shape, and the side air inlets 110 and the side air outlets 111 of each air chamber 11 are located in the air chamber. 11 on both sides of the vertical centerline. As shown in FIG. 3, the air chambers 11 on the same side of the fins 1 have the same shape, and the side air outlets 111 and the side air inlets 110 of the plurality of air chambers 11 are disposed on the air chamber 11 as well. The same is true.
  • each air chamber 11 The side air inlet 110 and the side air outlet 111 of each air chamber 11 are formed to be oppositely deflected, so that the horizontal cold air outside the oil heater 100 enters the air chamber 11 and can The flow in the air chamber 11 is longer, and sufficient convective heat transfer can be performed in the air chamber 11, the heat dissipation efficiency of the edge of the fin 1 is improved, and the temperature of the edge of the fin 1 is lowered.
  • the cold air flowing out from the side air outlets 111 enters the high temperature region of the oil passage portion between the adjacent two fins 1, and the convection heat exchange is continued, so that the high temperature region of the oil passage portion can be cooled.
  • the side air inlets 110 and the side air outlets 111 of each air chamber 11 are disposed correspondingly in the inner and outer directions. As shown in FIG. 4, after the horizontal cold air outside the oil heater 100 enters the air chamber 11, the air resistance received during the flow in the air chamber 11 is reduced, and the cold air is in the air chamber 11 The flow rate inside is accelerated. After the convective heat exchange in the air chamber 11 is performed, the cold air flows out from the side air outlet 111 to the high temperature region of the oil passage portion between the adjacent two fins 1 to further perform convection heat exchange.
  • the corresponding arrangement of the side air inlet 110 and the side air outlet 111 strengthens the convective heat transfer of the cold air to the high temperature region of the oil passage portion between the adjacent two heat sinks 1, and improves the heat sink 1
  • the heat dissipation efficiency is advantageous for cooling the edge of the heat sink 1 and the high temperature region of the oil passage portion.
  • each of the air chambers 11 includes a plurality of side air inlets 110 spaced apart in the longitudinal direction of the oil pipe 3, and the side air outlets 111 of each of the air chambers 11 are plural and with a plurality of side portions
  • the air inlets 110 are arranged one by one. Thereby, the flow rate of the cold air into the air chamber 11 is increased, and the cooling efficiency of the horizontal cold air outside the oil heater 100 to the edge of the fin 1 and the high temperature region of the oil passage portion is further improved.
  • the height of the side air inlet 110 is lower than the side air outlet 111 in the vertical direction. the height of. It will be understood that after the cold air enters the air chamber 11, the temperature will gradually rise and naturally flow upward along the air chamber 11 during the flow. Therefore, the height of the side air inlet 110 is lower than the arrangement of the side air outlets 111 to match the flow of cold air in the air chamber 11, facilitating the outflow of cold air into the air chamber 11, at a certain To the extent that the air flow velocity of the inner surface of the air chamber 11 is increased, the heat dissipation capability of the heat sink 1 is enhanced, and the temperature of the edge of the heat sink 1 is lowered.
  • the side air inlet 110 and the side air outlets 111 are respectively formed as rectangular holes that extend in the vertical direction.
  • the structure is simple and the manufacturing is convenient.
  • the inventors found through experiments that when the area of the side air inlet 110 and the side air outlet 111 are equal, and the aspect ratio of the side air inlet 110 and the side air outlet 111 is between 6 and 10, the heat sink The heat dissipation effect of 1 is optimal, and the temperature drop of the edge of the heat sink 1 is most obvious. Therefore, in a preferred example of the present invention, the aspect ratios of the side air inlet 110 and the side air outlet 111 are all in the range of 6-10.
  • the shapes of the side air inlet 110 and the side air outlet 111 are not limited thereto, and the shapes of the side air inlet 110 and the side air outlet 111 may be selected according to actual conditions, for example, side air intake.
  • the port 110 and the side air outlets 111 are respectively formed in a circular shape or an elliptical shape, as long as the heat dissipation capability of the heat sink 1 can be enhanced to some extent, and the temperature of the edge of the heat sink 1 can be lowered.
  • both the side air inlet 110 and the side air outlet 111 are plural, the plurality of side air inlets 110 and the plurality of side air outlets 111 are spaced apart on the heat sink 1 in the vertical direction. .
  • the flow intensity of the inner surface air and the outer surface air of the fin 1 can be further increased, the heat dissipation efficiency of the edge of the fin 1 can be improved, and the temperature at the edge of the fin 1 can be lowered.
  • the vertical direction refers to the direction perpendicular to the paper surface in FIGS. 1 to 4.
  • the side air outlets 111 of each air chamber 11 are two and are distributed on both sides of the portion of the heat sink 1 defining the oil passage. It can be seen that between each adjacent two fins 1, two cold air flows into the high temperature region of the oil passage portion through the side air outlet 111 of the different air chambers 11, respectively, and convective heat exchange is performed. Thereby, the flow of cold air entering the high temperature zone of the oil passage passage is ensured, and the heat dissipation unevenness of the different heat sinks 1 of the oil heater 100 is also avoided, and the reliability of the operation of the oil heater 100 is ensured.
  • an oil heater 100 includes two oil pipes 3 and ten fins 1.
  • the two oil pipes 3 are spaced apart in the up and down direction. Two ends of each fin 1 are respectively disposed on two oil pipes 3, and each fin 1 is provided with an oil passage communicating with two oil pipes 3, and both sides of each fin 1 are provided with oil.
  • the air chambers 11 spaced apart by the passages are in contact with the air chambers 11 on the same side of the adjacent two fins 1.
  • Each of the air chambers 11 includes a top air outlet provided at the top of the air chamber 11, and two of the lengths of the oil pipe 3
  • the side air inlets 110 are spaced apart and two side air outlets 111 are distributed on both sides of the portion of the heat sink 1 defining the oil passage.
  • the two side air inlets 110 are distributed on both sides of the center line of the air chamber 11 extending in the inner and outer directions.
  • the two side air outlets 111 of each of the air chambers 11 and the two side air inlets 110 are disposed in one-to-one correspondence in the inner and outer directions.
  • the height of the side air inlet 110 is lower than the height of the side air outlet 111.
  • the side air inlet 110 and the side air outlet 111 have the same area, and are formed as rectangular holes extending in the vertical direction, and the aspect ratio ranges from 6 to 10.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Road Paving Machines (AREA)

Abstract

La présente invention concerne un réchauffeur d'huile (100), comprenant : deux tuyaux d'huile (3) disposés verticalement à intervalles ; et de multiples ailettes de refroidissement (1), les deux extrémités des ailettes de refroidissement (1) étant disposées sur les deux tuyaux d'huile (3), séparément. Un canal de passage d'huile en communication avec les deux tuyaux d'huile (3) est disposé dans chaque ailette de refroidissement (1). Une cavité d'air (11) espacée du canal de passage d'huile est disposée sur au moins un bord latéral de l'ailette de refroidissement (1). La cavité d'air (11) comprend une entrée d'air et une sortie d'air supérieure disposée sur la partie supérieure de la cavité d'air (11). Les deux ailettes de refroidissement (1) adjacentes sont en contact avec les cavités d'air (11) situées du même côté.
PCT/CN2016/113778 2016-10-28 2016-12-30 Réchauffeur d'huile Ceased WO2018076544A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610974403.5A CN106524286A (zh) 2016-10-28 2016-10-28 油汀取暖器
CN201610974403.5 2016-10-28

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Publication Number Publication Date
WO2018076544A1 true WO2018076544A1 (fr) 2018-05-03

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PCT/CN2016/113778 Ceased WO2018076544A1 (fr) 2016-10-28 2016-12-30 Réchauffeur d'huile

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CN (1) CN106524286A (fr)
WO (1) WO2018076544A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109237596A (zh) * 2018-09-04 2019-01-18 珠海格力电器股份有限公司 一种取暖器
CN109237595A (zh) * 2018-09-04 2019-01-18 珠海格力电器股份有限公司 一种取暖器
CN109268917A (zh) * 2018-11-27 2019-01-25 宁波先锋电器制造有限公司 一种散热组件及电热油汀
CN118935984A (zh) * 2024-10-11 2024-11-12 江苏奥神新材料股份有限公司 一种底部散热分区控制的聚酰亚胺纤维烘干机

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN106524286A (zh) * 2016-10-28 2017-03-22 广东美的环境电器制造有限公司 油汀取暖器
CN206683041U (zh) * 2017-03-28 2017-11-28 广东美的环境电器制造有限公司 散热单片及电热油汀
CN206683040U (zh) * 2017-03-28 2017-11-28 广东美的环境电器制造有限公司 散热组件及电热油汀
CN206683042U (zh) * 2017-03-28 2017-11-28 广东美的环境电器制造有限公司 散热单片及电热油汀

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CN106524286A (zh) * 2016-10-28 2017-03-22 广东美的环境电器制造有限公司 油汀取暖器

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CN204534810U (zh) * 2015-02-12 2015-08-05 广东美的环境电器制造有限公司 散热片和具有它的取暖器
CN105276660B (zh) * 2015-11-30 2019-07-26 广东美的环境电器制造有限公司 散热片及具有其的取暖器

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Publication number Priority date Publication date Assignee Title
EP0917636A1 (fr) * 1996-07-12 1999-05-26 Basic Patents Radiateurs independants
CN201416952Y (zh) * 2009-04-08 2010-03-03 张建杰 一种油汀散热片
CN103822291A (zh) * 2014-03-07 2014-05-28 宁波先锋电器制造有限公司 带有散热通道的电热油汀
CN104359146A (zh) * 2014-10-27 2015-02-18 雷诺士(常州)电子有限公司 散热式电暖器
CN205261721U (zh) * 2015-12-08 2016-05-25 宁波展知电器有限公司 一种带有封闭式管型散热通道的电热油汀
CN106524286A (zh) * 2016-10-28 2017-03-22 广东美的环境电器制造有限公司 油汀取暖器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109237596A (zh) * 2018-09-04 2019-01-18 珠海格力电器股份有限公司 一种取暖器
CN109237595A (zh) * 2018-09-04 2019-01-18 珠海格力电器股份有限公司 一种取暖器
CN109237595B (zh) * 2018-09-04 2024-02-20 珠海格力电器股份有限公司 一种取暖器
CN109268917A (zh) * 2018-11-27 2019-01-25 宁波先锋电器制造有限公司 一种散热组件及电热油汀
CN118935984A (zh) * 2024-10-11 2024-11-12 江苏奥神新材料股份有限公司 一种底部散热分区控制的聚酰亚胺纤维烘干机

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