WO2008014691A1 - Heater - Google Patents

Heater Download PDF

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Publication number
WO2008014691A1
WO2008014691A1 PCT/CN2007/070087 CN2007070087W WO2008014691A1 WO 2008014691 A1 WO2008014691 A1 WO 2008014691A1 CN 2007070087 W CN2007070087 W CN 2007070087W WO 2008014691 A1 WO2008014691 A1 WO 2008014691A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
electric heating
insulating
heater
metal clad
Prior art date
Application number
PCT/CN2007/070087
Other languages
French (fr)
Chinese (zh)
Inventor
Mingfeng You
Original Assignee
Mingfeng You
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 Mingfeng You filed Critical Mingfeng You
Publication of WO2008014691A1 publication Critical patent/WO2008014691A1/en

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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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/30—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates

Definitions

  • the utility model belongs to the field of electrothermal technology, in particular to an electric heating device used for home electric appliances.
  • the heaters used in household appliances such as rice cookers, boiling water bottles, barbecue pits and the like mostly adopt the following structure:
  • the heater includes two metal clad plates which cooperate with each other, and at least one electric heating core plate is arranged in the metal clad plate.
  • the utility model is composed of an insulating plate and an electric heating wire uniformly wound on the insulating plate.
  • An insulating pad is arranged between the electric heating core plate and the metal clad plate, and the electric heating wire is led out through the lead hole on the metal clad plate. Power cord connection.
  • the joint portion of the lead wire and the heating wire is easily contacted with the metal clad plate to cause a short circuit, thereby reducing the safety performance of the heater, causing the heater to not work normally, or even Cause a safety incident.
  • the purpose of the utility model is to overcome the defects of the conventional heater and to provide a heater with high safety performance.
  • a heater comprising a first metal clad board and a second metal clad board matched therein, wherein an electric heating core board is disposed therein, and the electric heating core board is insulated a plate and an electric heating wire wound on the insulating plate, wherein the electric heating core plate and the first metal clad plate and the second metal clad plate are provided with an insulating pad, An inserting hole is disposed on the second metal clad plate, an insulating seat is disposed at the engaging hole, a through hole is disposed in the insulating seat, and an electric heating wire on the electric heating core board passes through the insulating seat through a lead wire Lead through the through hole.
  • the insulating seat is a porcelain seat.
  • the heater is provided with a support leg.
  • the utility model has the beneficial effects that: the electric heating wire is led out from the inner space surrounded by the first metal clad plate and the second metal clad plate by the lead wires passing through the insulating seat, and the insulating seat has The characteristics of good insulation and high melting point can avoid short circuit of the joint between the lead wire and the heating wire and the metal clad plate, thereby improving the safety performance of the heater.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Fig. 2 is an enlarged schematic view showing a portion A of Fig. 1.
  • FIG 3 is a schematic structural view of a porcelain seat of the present invention.
  • the heater disclosed in the present invention is generally used in small household appliances such as rice cookers, slow cookers, and boiling water bottles. As shown in FIG. 1 to FIG. 3, the heater includes a first metal clad board 10 and cooperates therewith.
  • the second metal clad board 20 is provided with an electric heating core board (not shown).
  • the electric heating core plate is made of an insulating plate and an electric heating wire wound on the insulating plate Composition, generally, the insulating plate is made of mica plate. Electric core plate and first metal clad board
  • An insulating pad (not shown) is disposed between the 10 and the second clad plate 20 so that the heating wire does not come into contact with the clad plate to cause a short circuit.
  • the second metal clad board 20 is provided with an insertion hole 200.
  • the insertion hole 200 is provided with a porcelain seat 30.
  • the porcelain seat 30 is provided with a through hole 300.
  • the electric heating wire on the electric heating core board passes through the porcelain seat through the lead wire 40.
  • the through hole 300 of 30 is taken out and connected to the power supply line 50. Since the heating wire is drawn from the inner space surrounded by the first metal clad plate 10 and the second metal clad 20 by the lead wire 40 passing through the ceramic seat 30, the porcelain seat 30 has the characteristics of good insulation and high melting point. The combination of the lead 40 and the heating wire can be prevented from coming into contact with the metal clad plate to cause a short circuit, thereby improving the safety performance of the heater.
  • the connecting portion of the lead wire 40 and the power source wire 50 can be sleeved with a fiber sleeve 60 to prevent the connection portion of the two from being exposed to contact with the metal clad plate, thereby causing a short circuit.
  • the porcelain seat 30 described in the above embodiment can also be replaced with an insulating seat of the same structure made of other materials, and only has the characteristics of good insulation property and high melting point.
  • the heater can be provided with a supporting foot 70 for the heater to be installed in a household appliance such as a rice cooker, a slow cooker, or a boiling water bottle.

Landscapes

  • Surface Heating Bodies (AREA)
  • Resistance Heating (AREA)
  • Cookers (AREA)

Abstract

A heater, comprising: a first metal sheathing plate (10); a second metal sheathing plate (20) and an electric heating core plate which is interposed between the first metal sheathing plate (10) and the second metal sheathing plate (20). The electric heating core plate is composed of an insulating plate and a heating wire that wounded around the insulating plate. Insulating mats are arranged in between the first metal sheathing plate (10), the second metal sheathing plate (20) and the electric heating core plate. A scarf joint hole (200) is provided in the electric heating core plate (20). An insulating stool (30) is arranged in the scarf joint hole (200). A through hole (300) is arranged in the center of the insulating stool (30). The heating wire is leaded out through the through hole (300) by a lead wire (40). Thereby it can prevent the contact of the lead wire (40) and the second metal sheathing plate (20), so the short circuit is avoided.

Description

发热器  Heater
【技术领域】 [Technical Field]
本实用新型属于电热技术领域，尤其是指一种使用于家电产品的 电热装置。  The utility model belongs to the field of electrothermal technology, in particular to an electric heating device used for home electric appliances.
【背景技术】 【Background technique】
现有市场上使用于电饭煲、开水瓶、烧烤炉等家电产品中的发热 器大多采用如下结构： 发热器包括有两个相互配合的金属包板， 金属 包板内设有至少一个电热芯板，其由绝缘板及均匀缠绕于所述绝缘板 上的电热丝所构成， 电热芯板与金属包板之间设有绝缘垫板， 电热丝 藉由引线经金属包板上的引线孔引出而与电源线连接。由于电热丝直 接藉由引线经金属包板上的引线孔引出，引线与电热丝的结合部易与 金属包板接触而引起短路， 从而降低发热器的安全性能， 造成发热器 不能正常工作， 甚至引发安全事故。  In the existing market, the heaters used in household appliances such as rice cookers, boiling water bottles, barbecue pits and the like mostly adopt the following structure: The heater includes two metal clad plates which cooperate with each other, and at least one electric heating core plate is arranged in the metal clad plate. The utility model is composed of an insulating plate and an electric heating wire uniformly wound on the insulating plate. An insulating pad is arranged between the electric heating core plate and the metal clad plate, and the electric heating wire is led out through the lead hole on the metal clad plate. Power cord connection. Since the heating wire is directly led out through the lead hole on the metal clad plate, the joint portion of the lead wire and the heating wire is easily contacted with the metal clad plate to cause a short circuit, thereby reducing the safety performance of the heater, causing the heater to not work normally, or even Cause a safety incident.
【发明内容】 [Summary of the Invention]
本实用新型的目的在于克服常见发热器所存在的缺陷，提供一种 安全性能高的发热器。  The purpose of the utility model is to overcome the defects of the conventional heater and to provide a heater with high safety performance.
本实用新型的目的是这样实现的： 一种发热器， 包括有第一金属 包板及与之配合的第二金属包板， 两者之内设置有电热芯板， 所述电 热芯板由绝缘板及缠绕于所述绝缘板上的电热丝所组成，所述电热芯 板与所述第一金属包板、第二金属包板之间设置有绝缘垫板， 所述第 二金属包板上设置有嵌接孔， 所述嵌接孔处设置有绝缘座， 所述绝缘 座中设置有通孔，所述电热芯板上的电热丝藉由引线穿过所述绝缘座 的通孔而引出。 The object of the present invention is achieved as follows: A heater comprising a first metal clad board and a second metal clad board matched therein, wherein an electric heating core board is disposed therein, and the electric heating core board is insulated a plate and an electric heating wire wound on the insulating plate, wherein the electric heating core plate and the first metal clad plate and the second metal clad plate are provided with an insulating pad, An inserting hole is disposed on the second metal clad plate, an insulating seat is disposed at the engaging hole, a through hole is disposed in the insulating seat, and an electric heating wire on the electric heating core board passes through the insulating seat through a lead wire Lead through the through hole.
上述发热器中， 所述绝缘座为瓷座。  In the above heater, the insulating seat is a porcelain seat.
上述发热器中， 所述发热器设置有支撑脚。  In the above heater, the heater is provided with a support leg.
相比于常见的发热器， 本实用新型的有益效果在于： 由于电热丝 藉由引线穿过绝缘座而自第一金属包板与第二金属包板所围成的内 部空间引出， 绝缘座具有绝缘性良好和熔点较高的特点， 故可避免引 线与电热丝的结合部与金属包板触接而引起短路，从而提高发热器的 安全性能。  Compared with the conventional heater, the utility model has the beneficial effects that: the electric heating wire is led out from the inner space surrounded by the first metal clad plate and the second metal clad plate by the lead wires passing through the insulating seat, and the insulating seat has The characteristics of good insulation and high melting point can avoid short circuit of the joint between the lead wire and the heating wire and the metal clad plate, thereby improving the safety performance of the heater.
【附图说明】 [Description of the Drawings]
下面结合附图及实施例对本实用新型做进一歩说明。  The present invention will be further described with reference to the accompanying drawings and embodiments.
图 1是本实用新型的结构示意图。  Figure 1 is a schematic view of the structure of the present invention.
图 2是图 1的 A部分的放大示意图。  Fig. 2 is an enlarged schematic view showing a portion A of Fig. 1.
图 3是本实用新型的瓷座的结构示意图。  3 is a schematic structural view of a porcelain seat of the present invention.
【具体实施方式】 【detailed description】
本实用新型所公开的发热器一般使用于诸如电饭煲、慢炖锅、开 水瓶等小家电产品中， 结合图 1至图 3所示， 该发热器包括有第一金 属包板 10及与之配合的第二金属包板 20， 两者之内设置有电热芯板 (图中没有示出）。 电热芯板由绝缘板及缠绕于绝缘板上的电热丝所 组成， 一般地， 绝缘板采用云母板制成。 电热芯板与第一金属包板The heater disclosed in the present invention is generally used in small household appliances such as rice cookers, slow cookers, and boiling water bottles. As shown in FIG. 1 to FIG. 3, the heater includes a first metal clad board 10 and cooperates therewith. The second metal clad board 20 is provided with an electric heating core board (not shown). The electric heating core plate is made of an insulating plate and an electric heating wire wound on the insulating plate Composition, generally, the insulating plate is made of mica plate. Electric core plate and first metal clad board
10和第二金属包板 20之间设置有绝缘垫板 （图中没有示出）， 以使 电热丝不与金属包板相接触而造成短路。 第二金属包板 20上设置有 嵌接孔 200，嵌接孔 200处设置有瓷座 30，瓷座 30中设置有通孔 300， 电热芯板上的电热丝藉由引线 40穿过瓷座 30的通孔 300而引出，并 与电源线 50连接。 由于电热丝藉由引线 40穿过瓷座 30而自第一金 属包板 10与第二金属包板 20所围成的内部空间引出， 瓷座 30具有 绝缘性良好和熔点较高的特点， 故可避免引线 40与电热丝的结合部 与金属包板触接而引起短路， 从而提高发热器的安全性能。 An insulating pad (not shown) is disposed between the 10 and the second clad plate 20 so that the heating wire does not come into contact with the clad plate to cause a short circuit. The second metal clad board 20 is provided with an insertion hole 200. The insertion hole 200 is provided with a porcelain seat 30. The porcelain seat 30 is provided with a through hole 300. The electric heating wire on the electric heating core board passes through the porcelain seat through the lead wire 40. The through hole 300 of 30 is taken out and connected to the power supply line 50. Since the heating wire is drawn from the inner space surrounded by the first metal clad plate 10 and the second metal clad 20 by the lead wire 40 passing through the ceramic seat 30, the porcelain seat 30 has the characteristics of good insulation and high melting point. The combination of the lead 40 and the heating wire can be prevented from coming into contact with the metal clad plate to cause a short circuit, thereby improving the safety performance of the heater.
引线 40与电源线 50的连接部可套设有纤维套管 60， 以避免两 者的连接部裸露而与金属包板接触， 造成短路。  The connecting portion of the lead wire 40 and the power source wire 50 can be sleeved with a fiber sleeve 60 to prevent the connection portion of the two from being exposed to contact with the metal clad plate, thereby causing a short circuit.
上述实施例中所描述的瓷座 30也可使用其他材料制成的相同结 构的绝缘座来代替， 只有其具有绝缘性能好和熔点较高的特点即可。 发热器可设置有支撑脚 70， 以便于发热器安装于电饭煲、 或慢炖锅、 或开水瓶等家电产品之中。  The porcelain seat 30 described in the above embodiment can also be replaced with an insulating seat of the same structure made of other materials, and only has the characteristics of good insulation property and high melting point. The heater can be provided with a supporting foot 70 for the heater to be installed in a household appliance such as a rice cooker, a slow cooker, or a boiling water bottle.

Claims

权利要求书 Claim
1.一种发热器， 包括有第一金属包板及与之配合的第二金属包 板， 两者之内设置有电热芯板， 所述电热芯板由绝缘板及缠绕于所述 绝缘板上的电热丝所组成， 所述电热芯板与所述第一金属包板、第二 金属包板之间设置有绝缘垫板， 其特征在于： 所述第二金属包板上设 置有嵌接孔，所述嵌接孔处设置有绝缘座，所述绝缘座中设置有通孔， 所述电热芯板上的电热丝藉由引线穿过所述绝缘座的通孔而引出。 A heater comprising a first metal clad plate and a second metal clad plate coupled thereto, wherein an electric heating core plate is disposed in the two, the electric heating core plate is insulated from the insulating plate and wound on the insulating plate An electric heating wire is disposed, and an insulating pad is disposed between the electric heating core plate and the first metal clad plate and the second metal clad plate, wherein: the second metal clad plate is provided with an inlay The hole is provided with an insulating seat, and the insulating seat is provided with a through hole, and the heating wire on the electric heating core plate is led out through the through hole of the insulating seat.
2.如权利要求 1所述的发热器，其特征在于：所述绝缘座为瓷座。 2. The heater of claim 1 wherein said insulator is a ceramic seat.
3.如权利要求 2所述的发热器， 其特征在于： 所述发热器设置有 支撑脚。 The heater according to claim 2, wherein the heater is provided with a support leg.
PCT/CN2007/070087 2006-07-28 2007-06-06 Heater WO2008014691A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2006201224759U CN200941691Y (en) 2006-07-28 2006-07-28 Warmer
CN200620122475.9 2006-07-28

Publications (1)

Publication Number Publication Date
WO2008014691A1 true WO2008014691A1 (en) 2008-02-07

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Application Number Title Priority Date Filing Date
PCT/CN2007/070087 WO2008014691A1 (en) 2006-07-28 2007-06-06 Heater

Country Status (2)

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CN (1) CN200941691Y (en)
WO (1) WO2008014691A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110072306A (en) * 2019-05-14 2019-07-30 安徽厘米时光电热技术有限公司 Magnesium oxide column for electric heating tube and externally-wound electric heating tube
CN110087350A (en) * 2019-05-14 2019-08-02 安徽厘米时光电热技术有限公司 Double-end electric heating tube

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2137064Y (en) * 1992-10-08 1993-06-23 张辉 Insulation protecting electric heating tube
JPH10189228A (en) * 1996-12-27 1998-07-21 Ngk Spark Plug Co Ltd Ceramic heater unit
GB2342551A (en) * 1998-09-03 2000-04-12 Barry Nigel Goodwin Base for a heating vesselhaving an embedded element
CN2381089Y (en) * 1999-04-27 2000-05-31 孔德凯 Closed-insulated micro electrothermal heating tube
JP2001332374A (en) * 2000-05-25 2001-11-30 Dainippon Ink & Chem Inc Electric surface heater and its manufacturing method and floor heating material
CN2529481Y (en) * 2002-02-08 2003-01-01 廖本扬 Improved of electric heating plate connector
CN1561147A (en) * 2004-03-10 2005-01-05 伟 何 Electrothernal tube and its forming method
US20050006377A1 (en) * 2003-07-07 2005-01-13 Chen Thomas Tsung-Chia Woven electric heating element and process of making the same
CN2781705Y (en) * 2005-04-18 2006-05-17 李培华 Electric heating tube

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2137064Y (en) * 1992-10-08 1993-06-23 张辉 Insulation protecting electric heating tube
JPH10189228A (en) * 1996-12-27 1998-07-21 Ngk Spark Plug Co Ltd Ceramic heater unit
GB2342551A (en) * 1998-09-03 2000-04-12 Barry Nigel Goodwin Base for a heating vesselhaving an embedded element
CN2381089Y (en) * 1999-04-27 2000-05-31 孔德凯 Closed-insulated micro electrothermal heating tube
JP2001332374A (en) * 2000-05-25 2001-11-30 Dainippon Ink & Chem Inc Electric surface heater and its manufacturing method and floor heating material
CN2529481Y (en) * 2002-02-08 2003-01-01 廖本扬 Improved of electric heating plate connector
US20050006377A1 (en) * 2003-07-07 2005-01-13 Chen Thomas Tsung-Chia Woven electric heating element and process of making the same
CN1561147A (en) * 2004-03-10 2005-01-05 伟 何 Electrothernal tube and its forming method
CN2781705Y (en) * 2005-04-18 2006-05-17 李培华 Electric heating tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110072306A (en) * 2019-05-14 2019-07-30 安徽厘米时光电热技术有限公司 Magnesium oxide column for electric heating tube and externally-wound electric heating tube
CN110087350A (en) * 2019-05-14 2019-08-02 安徽厘米时光电热技术有限公司 Double-end electric heating tube
CN110087350B (en) * 2019-05-14 2022-05-13 安徽元思电气有限公司 Double-end electrothermal tube
CN110072306B (en) * 2019-05-14 2022-05-13 安徽元思电气有限公司 Externally-wound magnesium oxide column single-head electric heating tube

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