CN2314542Y - 一种陶瓷发热器 - Google Patents

一种陶瓷发热器 Download PDF

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Publication number
CN2314542Y
CN2314542Y CN97241753U CN97241753U CN2314542Y CN 2314542 Y CN2314542 Y CN 2314542Y CN 97241753 U CN97241753 U CN 97241753U CN 97241753 U CN97241753 U CN 97241753U CN 2314542 Y CN2314542 Y CN 2314542Y
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China
Prior art keywords
strip
heat radiation
heat sink
fin
sink strip
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Expired - Fee Related
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CN97241753U
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English (en)
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周宪东
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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
    • 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
    • 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
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • 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
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818—Arrangement or mounting of electric heating means
    • F24H9/1827—Positive temperature coefficient [PTC] resistor
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/02—Heaters using heating elements having a positive temperature coefficient

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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)
  • Resistance Heating (AREA)

Abstract

本实用新型涉及一种在暖风机、干衣机、空调器、浴室加热器中用作热源的陶瓷发热器,它主要由散热条座片、散热条、导电片、陶瓷片及接插件组成,散热条为错位带条翅片,其与导电片及散热条座片平面的接触为面接触,从而,在同等体积上增加了20%的散热面积,并使热效率提高了30%以上且大大提高了发热器的强度。

Description

一种陶瓷发热器
本实用新型涉及一种发热器，特别是一种陶瓷(PTC)发热器，它主要适合在暖风机、干衣机、空调器、浴室加热器中用作热源。
现有技术中的陶瓷发热器，其结构如图1所示，它主要由散热条座片1′、散热条2′、导电片3′、陶瓷片4′及接插件5′组成，散热条2′为波纹状平直型翅片2′-1(见图2)，故该陶瓷发热器在实际使用中尚存在以下缺点；1、波纹状平直型翅片组成的散热条2′在传热中容易在金属表面形成风膜，风膜产生的热阻使发热器不能有效地进行热能转换，散热效率较差；2、由于散热条2′的波纹状平直型翅片顶部为尖角，其与导电片3′和散热条座片1′平面间的接触为线接触，使散热面积减少。
本实用新型的目的是克服现有技术中存在的上述不足，而提供一种结构设计合理、新颖，能有效地提高散热效率及增加散热面积的陶瓷发热器。
本实用新型所提出的目的可以通过以下技术方案来实现：该陶瓷发热器，包括散热条座片、导电片、陶瓷片及接插件，其结构特点是散热条为错位带条翅片，该错位带条翅片与导电片及散热条座片平面的接触为面接触。
附图说明如下：
图1为现有陶瓷发热器的结构示意图。
图2为现有陶瓷发热器的散热条结构示立体意图。
图3为本实用新型的结构示意图。
图4为本实用新型的散热条结构立体示意图。
下面本实用新型将结合附图、并通过实施例来进一步详述。
参见图3、图4，本实用新型主要由散热条座片1、散热条6、导电片3、陶瓷片4和接插件5组成，散热条6采用错位带条翅片6-1，该错位带条翅片6-1的特点是翅片间错开排列，且其与导电片3及散热条座片1平面的接触为面接触；导电片3及错位带条翅片6-1均用铝制成，同时，导电片3、错位带条地翅片6-1及散热条座片1通过高温硬钎焊技术钎焊成一体，然后通过与陶瓷片4胶合后，铆上接触件5而制成。
在实际使用中，错位带条翅片6-1可根据不同的要求调整其高度和翅距，从而获得不同的散热量和通风量，翅片厚度也可根据强度要求在0.15-0.3毫米中任选。
本实用新型与现有技术相比，具有以下优点：1、由于错位带条翅片的顶角为平面，其与导电片及散热条座片平面的接触(贴合)为面接触，从而在同等体积中增加了20％散热面积；2、错位带条翅片使空气进入翅片后无法规则运动，起到了充分扰流的作用，使气膜无法在翅片表面形成，从而使散热效率得到了充分的发挥，其比现有热效率提高30％以上；3、结构设计合理，大大增强了发热器的强度和刚性。

Claims (1)

1、一种陶瓷发热器，包括散热条座片、导电片、陶瓷片及接插件，其特征在于：散热条(6)为错位带条翅片(62-1)，该错位带条翅片(6-1)与导电片(3)及散热条座片(1)平面的接触为面接触。
CN97241753U 1997-09-23 1997-09-23 一种陶瓷发热器 Expired - Fee Related CN2314542Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN97241753U CN2314542Y (zh) 1997-09-23 1997-09-23 一种陶瓷发热器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN97241753U CN2314542Y (zh) 1997-09-23 1997-09-23 一种陶瓷发热器

Publications (1)

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CN2314542Y true CN2314542Y (zh) 1999-04-14

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Family Applications (1)

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CN97241753U Expired - Fee Related CN2314542Y (zh) 1997-09-23 1997-09-23 一种陶瓷发热器

Country Status (1)

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CN (1) CN2314542Y (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2562276A (en) * 2017-05-10 2018-11-14 Dyson Technology Ltd A heater
US11589661B2 (en) 2017-01-12 2023-02-28 Dyson Technology Limited Hand held appliance

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11589661B2 (en) 2017-01-12 2023-02-28 Dyson Technology Limited Hand held appliance
US11712098B2 (en) 2017-01-12 2023-08-01 Dyson Technology Limited Hand held appliance
GB2562276A (en) * 2017-05-10 2018-11-14 Dyson Technology Ltd A heater
GB2562276B (en) * 2017-05-10 2021-04-28 Dyson Technology Ltd A heater
US11168924B2 (en) 2017-05-10 2021-11-09 Dyson Technology Limited Heater

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