WO2013143434A1 - 高频电加热滚筒 - Google Patents

高频电加热滚筒 Download PDF

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Publication number
WO2013143434A1
WO2013143434A1 PCT/CN2013/073146 CN2013073146W WO2013143434A1 WO 2013143434 A1 WO2013143434 A1 WO 2013143434A1 CN 2013073146 W CN2013073146 W CN 2013073146W WO 2013143434 A1 WO2013143434 A1 WO 2013143434A1
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Prior art keywords
conductive
ring
components
wire
power source
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PCT/CN2013/073146
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English (en)
French (fr)
Inventor
刘忠男
张佑严
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昆山渝榕电子有限公司
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Publication of WO2013143434A1 publication Critical patent/WO2013143434A1/zh

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/101Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
    • H05B6/102Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces the metal pieces being rotated while induction heated
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/14Tools, e.g. nozzles, rollers, calenders
    • H05B6/145Heated rollers

Definitions

  • the invention relates to a roller, in particular to a roller which uses high frequency current for heating
  • the usual heating method for industrial drums is high-frequency induction heating or general electric heating.
  • the existing heating device uses indirect heating or local heating to re-diffusion conduction, such heating.
  • the efficiency is not high, the heating of the drum is not uniform enough, and because the heating time is too difficult for the temperature control, the heat energy generated by the heating is quite large, so it still does not meet the ideal demand, and there is a need for improvement. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a high-frequency electric heating drum which has high heating efficiency, no pollution, and can uniformly heat the surface of the drum.
  • the high-frequency electric heating drum of the present invention comprises a drum body and a heating device disposed on the drum body, the drum body is electrically conductive, and the heating device is externally connected with a high-frequency alternating current power source, and the heating device comprises There are two conductive components, one conductive component is composed of a conductive ring and a conductive wire; the other conductive component is composed of a conductive ring and a conductive wire, and the conductive rings of the two conductive components are respectively abutted at the two ends of the roller body. The other ends of the conductive wires respectively connected to the two conductive rings are respectively connected to different electrodes of the high-frequency AC power source.
  • one of the conductive rings may be connected to more than one conductive wire, and the other ends of the plurality of conductive wires are commonly connected to one conductive ring, and another conductive wire is connected by the conductive ring to connect to the high frequency alternating current power supply.
  • one or more conductive wires connected to one of the conductive rings may be replaced by one or more conductive side plates.
  • the conductive side plate is further provided with a conductive wire at the other end for Connected to the high-frequency AC power supply; when using a plurality of conductive side plates, the other ends of the conductive side plates can be connected to one conductive ring together, and then another conductive wire is connected by the conductive ring to Connect to a high frequency AC power source.
  • the high-frequency flow is guided to the surface of the drum body by the action of the two conductive components, so that the high-frequency alternating current flows on the surface of the drum body, and the surface of the drum body is rapidly heated due to the existence of the impedance. Heating, and ensuring uniform heating of the surface, overcomes the deficiencies of the conventional drum heating method and structure.
  • Figure 1 is a high frequency electric heating roller of the present invention
  • Figure 2 is a cross-sectional view of Figure 1.
  • Figure 3 is a perspective view of a preferred embodiment of the heating apparatus of the present invention.
  • Figure 4 is a perspective view of a second embodiment of the heating device of the present invention.
  • Figure 5 is a perspective view of a third embodiment of the heating apparatus of the present invention.
  • Figure 6 is a perspective view of a fourth embodiment of the heating apparatus of the present invention.
  • roller body 20 Conductive components
  • Conductive component 31 Conductive ring
  • the high-frequency electric heating roller of the present invention is composed of a conductive drum body 10 and a heating device; the heating device is disposed on the drum body 10, and externally connected with high-frequency alternating current A power source is provided to provide rapid and uniform heating of the drum body 10.
  • the heating device comprises at least two conductive components 20, 30 connecting different electrodes, wherein one conductive component 20 is composed of a conductive ring 21 (or conductive brush) and a conductive wire 22; the other conductive component 30 is composed of a conductive ring 31. (or a conductive brush) and a conductive wire 32, the two conductive rings 21, 31 respectively abut the two ends of the roller body 10, the two conductive rings 21, 31 are respectively connected with a conductive wire 22, 32, and two conductive wires 22, 32 and the other end are respectively connected to different electrodes of the high-frequency AC power supply; Referring to FIG. 3, the two conductive wires 22 and 32 connecting the two conductive rings 21 and 31 are connected to the high-frequency exchange according to the design requirements. Power supply.
  • the high-frequency current is guided to the surface of the drum body 10 by the action of the two conductive rings 21, 31, so that the high-frequency alternating current flows on the surface of the drum body 10, and the drum is caused by the existence of the impedance.
  • the surface of the body 10 can be heated and heated rapidly, and the surface can be heated uniformly, so that the temperature control is more sensitive and rapid, and the conventional drum heating method and structure are overcome.
  • the conductive members 20, 30 are not limited to the structure using the conductive rings 21, 31, and the structure may also be a conductive brush, or other equivalent structure connected to both ends of the drum body to achieve the object of the present invention.
  • the cross-sectional shape of 22, 32 is not limited to a circular shape, but may be other equivalent shapes.
  • the heating device includes at least two conductive components connecting different electrodes, wherein one conductive component comprises a conductive ring 41, three conductive wires 42 and a conductive component.
  • the conductive ring 43 is composed of a conductive ring 51 and a conductive wire 52 (the conductive component structure is slightly the same as that shown in the first preferred embodiment), and the two conductive rings 41 and 51 respectively abut
  • the conductive ring 41 is connected to the three conductive wires 42 at the two ends of the roller body 10.
  • the other ends of the three conductive wires 42 are connected to a conductive ring 43.
  • the conductive ring 43 is further provided with a conductive wire 430.
  • the other ends of the 52 are connected to different electrodes of the high-frequency AC power supply; the number of the conductive wires 42 is at least one, but not limited to three.
  • the heating The device comprises at least two conductive components connected to different electrodes, wherein one conductive component is composed of a conductive ring 61, a conductive side plate 62 and a conductive wire 63; the other conductive component is composed of a conductive ring 71 and a conductive line 72.
  • the two conductive rings 61 and 71 are respectively abutted on the two ends of the roller body 10, and the conductive side plate 62 is terminated on the conductive ring. 61.
  • the other end is connected with a conductive line 63.
  • the other ends of the conductive lines 63 and 72 are respectively connected to different electrodes of the high-frequency AC power source.
  • the heating device includes at least two conductive components connecting different electrodes, wherein one conductive component comprises a conductive ring 81 , three conductive side plates 82 , and A conductive ring 83 is formed; the other conductive component is composed of a conductive ring 91 and a conductive wire 92 (the conductive component structure is slightly the same as that shown in the first preferred embodiment), and the two conductive rings 81 and 91 respectively
  • the conductive ring 81 is connected to the two conductive side plates 82, and the other ends of the three conductive side plates 82 are connected to the conductive ring 83.
  • the conductive ring 83 is further provided with a conductive line 830.
  • the other ends of the conductive lines 830 and 92 are respectively connected to different electrodes of the high-frequency AC power supply; the number of the conductive side plates 82 is at least one, but not limited to three.
  • the conductive component structure of the foregoing embodiments can achieve the object of the present invention, and the number and shape of the conductive wires and the conductive side plates can be changed according to practical needs, and are not shown in the foregoing embodiments. Limitations, similar equivalent variations are still within the scope of the claimed invention.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fixing For Electrophotography (AREA)

Abstract

一种高频电加热滚筒,系由一滚筒本体和加热装置所组成,该滚筒本体具有导电性,该加热装置配设于滚筒本体上,并外接高频交流电源;该加热装置至少包括有二导电组件,二导电组件各具有一导电环分别靠设于滚筒本体两端,二导电环各接设有一导电线,且令两导电线另一端分别连接高频交流电源的不同电极,藉此可将高频电流引导聚集至该滚筒本体表面,使高频交流电流在滚筒本体表面流动,因阻抗的存在使得滚筒本体的表面迅速升温加热,且能够确保表面受热均匀,从而克服了惯用滚筒加热方法及结构的不足。

Description

高频电加热滚筒 技术领域
本发明涉及一种滚筒, 特别是指一种利用高频电流进行加热的滚
背景技术
目前, 工业用滚筒通常的加热方法是高周波感应加热或一般的电 热加热, 这样的加热方式虽然可以达到加热的目的, 但是现有加热装 置或采用间接加热或属局部加热再扩散传导, 这样的加热效率并不 高, 滚筒的受热也不够均匀, 而且因为加热时间长对于温度控制也较 难精准, 加热产生的热能损耗相当大, 所以仍未符合理想需求, 而有 改善的必要。 发明内容
本发明要解决的技术问题是提供一种高频电加热滚筒, 它加热效 率高、 无污染, 且能够使滚筒表面均匀受热。
为解决上述技术问题, 本发明的高频电加热滚筒, 包括一滚筒本 体和配设于滚筒本体上的加热装置, 该滚筒本体具有导电性, 该加热 装置外接高频交流电源, 该加热装置包含有二导电组件, 其中一导电 组件由一导电环及一导电线所组成; 另一导电组件由一导电环及一导 电线所组成, 二导电组件的导电环分别靠接于滚筒本体两端, 二导电 环各自接设的导电线另端分别连接高频交流电源的不同电极。
进一步的, 其中一导电环可供一条以上的导电线连设, 且令多条 导电线的另一端共同连接到一导电圈, 再由导电圈接设另一导电线, 以连通到高频交流电源。
进一步的, 其中一导电环连接的一或多条导电线可改由一或多片 导电侧板加以取代, 使用单一导电侧板时, 该导电侧板另端另接设有 一导电线, 以供连通到高频交流电源; 当使用多片导电侧板时, 各导 电侧板另端可共同连接到一导电圈, 再由导电圈接设另一导电线, 以 连通到高频交流电源。
本发明外接高频交流电源后, 通过二导电组件的作用, 将高频 流引导聚集至该滚筒本体表面, 使高频交流电流在滚筒本体表面流 动, 因阻抗的存在使得滚筒本体的表面迅速升温加热, 且能够确保 面受热均匀, 从而克服了惯用滚筒加热方法及结构的不足。 附图说明
图 1是本发明高频电加热滚'
图 2是图 1的剖面图。
图 3是本发明加热装置较佳; :施例的立体图。
图 4是本发明加热装置第二; :施例的立体图。
图 5是本发明加热装置第三; :施例的立体图。
图 6是本发明加热装置第四; :施例的立体图。
图中附图标记说明如下:
10: 滚筒本体 20: 导电组件
21: 导电环 22: 导电线
30: 导电组件 31: 导电环
32: 导电线 41: 导电环
42: 导电线 43: 导电圈
430 导电线 51: 导电环
52: 导电线 61: 导电环
62: 导电侧板 63: 导电线
71: 导电环 72: 导电线
81: 导电环 82: 导电侧板
83: 导电圈 830 • 导电线
91: 导电环 92: 导电线 具体实施方式
为对本发明的技术内容、 特点与功效有更具体的了解, 现结合 示的实施方式, 详述如下: 请参照图 1、 2所示, 本发明的高频电加热滚筒系由具有导电性 的滚筒本体 10配合加热装置所组成; 该加热装置配设于滚筒本体 10 上, 并藉其外接高频交流电源, 以提供该滚筒本体 10快速均匀加热 的功效。
前述加热装置至少包括有二连接不同电极的导电组件 20、 30, 其 中一导电组件 20由一导电环 21 (或导电刷) 及一导电线 22所组成; 另一导电组件 30由一导电环 31 (或导电刷)及一导电线 32所组成 , 两导电环 21、 31分别靠接于滚筒本体 10两端, 两导电环 21、 31各 接设有一导电线 22、 32, 且令两导电线 22、 32另端分别连接高频交 流电源的不同电极; 另参阅图 3所示, 连接两导电环 21、 31的两导 电线 22、 32另端得视使用需求设计弯折连接到高频交流电源处。
本发明外接高频交流电源后, 通过二导电环 21、 31的作用, 将 高频电流引导聚集至该滚筒本体 10表面, 使高频交流电流在滚筒本 体 10表面流动, 因阻抗的存在使得滚筒本体 10的表面可迅速地升温 加热, 且能够确保表面受热均匀, 使温度控制更为灵敏快速, 克服了 惯用滚筒加热方法及结构的不足。
该导电组件 20、 30并不局限于使用导电环 21、 31的结构, 该结 构也可为导电刷, 或其他连接于该滚筒本体两端而可实现本发明目的 的等效结构, 该导电线 22、 32的截面形状也不局限于圆形, 而可为 其他等效的形状。
请参照图 4所示, 为本发明加热装置的第二较佳实施例, 该加热 装置至少包括有二连接不同电极的导电组件, 其中一导电组件由一导 电环 41、三导电线 42及一导电圈 43所组成; 另一导电组件由一导电 环 51及一导电线 52所组成 (此导电组件结构与第一较佳实施例所示 结构略同), 两导电环 41、 51分别靠接于滚筒本体 10两端, 该导电 环 41接设有三导电线 42,且令三导电线 42另端共同接设于一导电圈 43, 导电圈 43上另设有导电线 430, 该导电线 430、 52另端分别连接 高频交流电源的不同电极; 前述导电线 42的实施数量为至少一个, 但不以三个为限。
请参照图 5所示, 为本发明加热装置的第三较佳实施例, 该加热 装置至少包括有二连接不同电极的导电组件, 其中一导电组件由一导 电环 61、 一导电侧板 62、 一导电线 63所组成; 另一导电组件由一导 电环 71及一导电线 72所组成(此导电组件结构与第一较佳实施例所 示结构略同), 该两导电环 61、 71分别靠接于滚筒本体 10两端, 该 导电侧板 62—端接设于该导电环 61, 另一端则接设有一导电线 63, 该导电线 63、 72另端分别连接高频交流电源的不同电极。
请参照图 6所示, 为本发明加热装置的第四较佳实施例, 该加热 装置至少包括有二连接不同电极的导电组件, 其中一导电组件由一导 电环 81、三导电侧板 82及一导电圈 83所组成; 另一导电组件由一导 电环 91及一导电线 92所组成(此导电组件结构与第一较佳实施例所 示结构略同), 两导电环 81、 91分别靠接于滚筒本体 10两端, 该导 电环 81接设有三导电侧板 82,且令三导电侧板 82另端共同接设于该 导电圈 83, 该导电圈 83上另设有导电线 830, 该导电线 830、 92另 端分别连接高频交流电源的不同电极; 前述导电侧板 82的实施数量 为至少一个, 但不以三个为限。
综上所述, 前述各实施例的导电组件结构均可实现本发明的目 的, 且其导电线、 导电侧板的数量及形状均可依实用需求加以变化, 并不以前述实施例所示为限, 类似的等效变化仍属于本发明请求保护 的范畴。

Claims

权 利 要 求
1. 一种高频电加热滚筒,包括一滚筒本体和配设于滚筒本体上的 加热装置, 该滚筒本体具有导电性, 该加热装置外接高频交流电源, 其特征在于:
该加热装置包含有二导电组件, 其中一导电组件由一导电环及一 导电线所组成;
另一导电组件由一导电环及一导电线所组成, 二导电组件的导电 环分别靠接于滚筒本体两端, 二导电环各自接设的导电线另端分别连 接高频交流电源的不同电极。
2. 如权利要求 1所述的高频电加热滚筒, 其特征在于: 该加热装置包含有二导电组件, 其中一导电组件包含一导电环及 复数导电线, 该复数导电线一端连接该导电环, 另一端则共同接设于 一导电圈, 该导电圈上另设有一导电线, 该导电线一端外接高频交流 电源;
另一导电组件由一导电环及一导电线所组成, 该导电线一端连接 导电环, 另一端外接高频交流电源;
二导电组件的导电环分别靠接于滚筒本体两端。
3. 如权利要求 1所述的高频电加热滚筒, 其特征在于: 该加热装置包含有二导电组件, 其中一导电组件由一导电环、 一 导电侧板及一导电线所组成, 该导电侧板一端接设于该导电环, 另一 端则接设有一导电线;
另一导电组件由一导电环及一导电线所组成, 该两导电环分别靠 接于滚筒本体两端, 二导电组件的导电线一端分别连接高频交流电源 的不同电极。
4. 如权利要求 1所述的高频电加热滚筒, 其特征在于: 该加热装置包含有二导电组件, 其中一导电组件包含一导电环及 复数导电侧板, 该复数导电侧板一端连接导电环, 另一端则共同接设 于一导电圈, 导电圈上另设有一导电线;
另一导电组件由一导电环及一导电线所组成;
该二导电环分别靠接于滚筒本体两端, 二导电组件的导电线一端 分别连接高频交流电源的不同电极。
5. 如权利要求 1所述的高频电加热滚筒, 其特征在于: 该二导电 组件的导电环以导电刷作为实施结构。
PCT/CN2013/073146 2012-03-26 2013-03-25 高频电加热滚筒 WO2013143434A1 (zh)

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