WO2016183889A1 - Plaque chauffante à régulation de température, isolée thermiquement - Google Patents

Plaque chauffante à régulation de température, isolée thermiquement Download PDF

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Publication number
WO2016183889A1
WO2016183889A1 PCT/CN2015/081334 CN2015081334W WO2016183889A1 WO 2016183889 A1 WO2016183889 A1 WO 2016183889A1 CN 2015081334 W CN2015081334 W CN 2015081334W WO 2016183889 A1 WO2016183889 A1 WO 2016183889A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
heating plate
contact
ceramic
elastic piece
Prior art date
Application number
PCT/CN2015/081334
Other languages
English (en)
Chinese (zh)
Inventor
张兵
Original Assignee
深圳市鑫富达电器有限公司
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 深圳市鑫富达电器有限公司 filed Critical 深圳市鑫富达电器有限公司
Priority to EP15879268.9A priority Critical patent/EP3116286A4/fr
Publication of WO2016183889A1 publication Critical patent/WO2016183889A1/fr

Links

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
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
    • H01H37/48—Thermally-sensitive members actuated due to expansion or contraction of a solid with extensible rigid rods or tubes
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/04—Heating plates with overheat protection means

Definitions

  • the present invention relates to a novel temperature-controlled heat insulation heating plate.
  • the existing high-temperature heating disk technology generally adopts a ring-shaped electric heating wire wound in a ceramic disk as a heating body, which is characterized in that it can be rapidly heated after being energized, and the existing high-temperature heating plate adopts a cross section.
  • the circular heating wire has a small cross-sectional area and a short life span, which is not in line with economic principles.
  • the product itself does not have its own temperature control device, the temperature is not controlled, which brings safety hazards. Also, because there is no temperature control device, the long-term maximum Power operation, relatively expensive, and due to the use of ceramics as an insulating case, the temperature isolation capability is extremely lacking, and the heat is wasted seriously, which is also inconsistent with economic principles.
  • the main object of the present invention is to provide a novel temperature-controlled heat insulation heating plate with reliable performance, stable temperature control, better heat insulation effect, better heat effect, longer service life and energy saving and environmental protection.
  • a novel temperature-controlled heat insulation heating plate comprising a heating plate and a double contact thermostat
  • the dual-contact thermostat includes a base, a first terminal and a second terminal are disposed on one side of the base, and a third terminal and a fourth terminal are disposed on the other side, and the first terminal and the third terminal respectively a first elastic piece and a third elastic piece are disposed, the first elastic piece and the third elastic piece are respectively provided with a first contact and a third contact, and the second terminal and the fourth terminal are respectively provided with a second contact and a fourth contact Point, the first contact and the second contact are opposite, the third contact and the fourth contact are opposite; a ceramic thimble passes through the first elastic piece and the third elastic piece, one end of the ceramic thimble abuts the metal pipe, and the other end abuts the activity
  • the movable member is sleeved with a spring, and the bottom portion is provided with a blocking piece; the metal tube protrudes from the base, and the end is provided with a plug, and the tube is provided with a ceramic rod and a metal rod which are sequentially
  • the heating plate comprises a chassis and a hair tropic, the tropical curl is arranged on the chassis, and the two ends of the tropics are located at the chassis
  • the edges are each soldered to an external terminal, the external terminal is disposed on the ceramic seat, and the ceramic seat is fixed on the edge of the chassis
  • the base of the double-contact thermostat is fixed to the edge of the chassis of the heat-generating disk, the first terminal is soldered to an external terminal on the heat-generating disk, and the end of the metal tube is extended above the center of the heat-generating disk.
  • the hair tropic is corrugated, and the cross-sectional shape is flat.
  • a heat insulation pad is arranged between the heat-producing belt and the chassis.
  • a ceramic fixing seat is arranged above the center of the heating plate, and the end of the metal tube is fixed in the ceramic fixing seat
  • the inner edge of the heating plate chassis is provided with a retaining ring.
  • the weight percentage of each component of the heat insulation mat is as follows:
  • the aggregate component is 5%-70% of vermiculite
  • the filler composition is 1 ⁇ 3 ⁇ 4-20% white carbon black, 1 ⁇ 3 ⁇ 4-20 ⁇ 3 ⁇ 4 silicon micro powder or expanded perlite, 1%-20% mullite powder, 1 ⁇ 3 ⁇ 4 -20 ⁇ 3 ⁇ 4 microsilica, 1 ⁇ 3 ⁇ 4-20 ⁇ 3 ⁇ 4 algae;
  • the sunscreen composition is S ⁇ S ⁇ titanium dioxide, S ⁇ S ⁇ silicon carbide;
  • the binder component is 5% - 30 ⁇ 3 ⁇ 4 of cement, glass water or aluminum dihydrogen phosphate solution;
  • the metal casing has a reasonable structure, the bottom has a supporting member mounting foot, a flying edge is arranged around the fixing for fixing the heat carrier, and the edge is fixed to the ceramic piece and the temperature controller.
  • the bottom insulation pad and the surrounding insulation ring are fixed inside the metal casing, and the installation is simple and convenient;
  • the insulation layer material formulation fully considers the various properties of the various raw materials used, such as expansion coefficient, shrinkage coefficient, thermal conductivity, moisture absorption rate, etc., and divides various raw materials into aggregates, fillers, sunscreens,
  • the combination of the binder and the water has the best ratio configuration, which improves the product's performance and prolongs its service life. Long-term use does not split and does not deform.
  • the temperature control device is fixed on the heating plate, and the metal tube at the front end thereof is inserted into the heating body disk, and the temperature control is further controlled. Reasonable and more accurate.
  • the heating plate has compact structure, convenient installation, fast heating, safety and reliability, and long service life.
  • thermostat 2 is a schematic structural view of a thermostat
  • FIG. 3 is a contact state diagram of the thermostat at a low temperature
  • FIG. 4 is a cross-sectional view showing the structure of a thermostat
  • FIG. 5 is a schematic view of a tropical structure
  • FIG. 6 is a cross-sectional view showing the structure of a heat generating disk.
  • a novel temperature-controlled heat insulation heating plate comprising a heating plate and a double contact thermostat
  • the dual-contact temperature controller includes a base 1, a first terminal 2 and a second terminal 3 are disposed on one side of the base, and a third terminal 4 and a fourth terminal 5 are disposed on the other side, and the first terminal
  • the first elastic piece 6 and the third elastic piece 7 are respectively disposed on the third terminal, and the first elastic piece and the third elastic piece are respectively provided with a first contact 8 and a third contact 9, respectively, and the second terminal and the fourth terminal respectively a second contact 10 and a fourth contact 11 are disposed, the first contact and the second contact are opposite, and the third contact and the fourth contact are opposite;
  • a ceramic thimble 12 passes through the first elastic piece and the third elastic piece, One end of the ceramic thimble abuts the metal tube 13, and the other end abuts the movable member 14; the movable member is sleeved with a spring 15 and the bottom portion is provided with a blocking piece 16; the metal tube protrudes from the base, and the end is provided with a plug 17
  • the ceramic rod and the metal rod in the metal tube are the transmission parts.
  • the thermal expansion and contraction of the metal tube pushes the elastic piece through the ceramic rod and the metal rod to break or close the contact;
  • the rods ensure that each ceramic rod is made straight, allowing the ceramic rod to move smoothly in the metal tube, because the length is too long and there is a problem of bending.
  • the device utilizes the expansion and contraction change of the metal tube to convert into the expansion and contraction of the kinetic energy control spring, and pushes the elastic piece to be closed or closed by the movable member, thereby controlling the power-off or energization of the heating object to achieve the purpose of controlling the temperature.
  • the device is mounted on the heating plate during operation, the first terminal and the second terminal are connected to the main circuit of the heating plate, and the third terminal and the fourth terminal are connected to the indication circuit of the heating plate, and the metal tube is placed on the heating plate. The temperature is directly sensed in the middle of the middle.
  • the metal tube When the metal tube senses high temperature, it will expand under heat, its length will become longer, the spring on the movable part will elongate, and the ceramic thimble will be driven to move upwards.
  • the ceramic thimble carries the first elastic piece away from the second elastic piece at the bottom, One contact and the second contact are separated, and the main circuit is cut off. At the same time, the third elastic piece moves upward, and the third contact contacts the fourth contact, and the working indication circuit is turned on.
  • the temperature When the temperature is lowered, the metal tube is cooled and contracted, so that the terminals are reversed or turned on in reverse, thereby repeatedly operating to achieve the purpose of temperature control, and the control temperature of the present invention can be as high as 800 degrees.
  • the heating plate comprises a chassis 20 and a heating belt 21, wherein the heating coil is disposed on the chassis, the two ends of the heating belt are located at the edge of the chassis, and each is soldered to an external terminal 22, 23, and the external terminal is disposed on the ceramic seat 24.
  • the ceramic seat is fixed to the edge of the chassis;
  • the base of the double-contact thermostat is fixed to the edge of the chassis of the heat-generating disk, and the first terminal is soldered to an external terminal 23 on the heat-generating disk, and the end of the metal tube protrudes above the center of the heat-generating disk.
  • the hair tropic is corrugated, and the cross-sectional shape is flat. Because of the flat cross section of the tropics, the cross-sectional area is increased, and the life is greatly increased.
  • a heat insulating pad 25 is disposed between the heat generating belt and the chassis.
  • the aggregate component is 5%-70% of vermiculite
  • (2) Filler composition is 1 ⁇ 3 ⁇ 4-20% white carbon black, 1 ⁇ 3 ⁇ 4-20 ⁇ 3 ⁇ 4 silicon fine powder or expanded perlite, 1%-20% mullite powder, 1 ⁇ 3 ⁇ 4 -20 ⁇ 3 ⁇ 4 microsilica, 1 ⁇ 3 ⁇ 4-20 ⁇ 3 ⁇ 4 algae;
  • the sunscreen composition is 2 ⁇ 3 ⁇ 4-25 ⁇ 3 ⁇ 4 titanium dioxide, 2 ⁇ 3 ⁇ 4-25 ⁇ 3 ⁇ 4 silicon carbide;
  • the binder component is 5%-30 ⁇ 3 ⁇ 4 of cement, glass water or aluminum dihydrogen phosphate solution;
  • the above raw materials are formed by stirring, mixing, die-casting, baking and sintering; the material formulation fully considers various properties such as expansion coefficient, shrinkage coefficient, thermal conductivity, moisture absorption rate of various raw materials utilized, and various raw materials. It is divided into five components: aggregate, filler, sunscreen, binder and water. It has the best proportion configuration, which can improve the performance of the product and prolong its service life. [0049] wherein a ceramic holder 26 is disposed above the center of the heating plate, and the end of the metal tube is fixed in the ceramic holder
  • the inner edge of the heating plate chassis is provided with a retaining ring 27, the retaining ring is a high temperature resistant, insulating structure
  • the bottom surface has a groove.
  • the heating plate base has a flashing edge around the base, which can be directly fixed by the flashing edge; the bottom of the heating plate base has three mounting feet, and the bottom mounting bracket is directly fixed; the heating belt adopts 0.05-0.1CM thick iron.
  • the chrome alloy sheet is an alloy material with rare earth elements and strong oxidation resistance. It belongs to the sheet of iron-chromium alloy sheet and has a larger surface area than the conventional heating wire. The larger the surface area, the faster the heat transfer, the iron-chromium alloy.
  • the film itself has a low temperature and is close to the ambient temperature in the cavity of the insulating mat, so that the iron-chromium alloy sheet has a long life and a thermal effect.

Landscapes

  • Resistance Heating (AREA)

Abstract

La présente invention concerne une plaque chauffante à régulation de température, isolée thermiquement, comprenant : une plaque chauffante; et un thermostat par double contact. Le thermostat comprend une base (1), une goupille de butée en céramique (12), un élément mobile (14), et un tube métallique (13). La base (1) est pourvue d'une première borne (2) et d'une deuxième borne (3) au niveau d'un côté de celle-ci et d'une troisième borne (4) et d'une quatrième borne (5) au niveau de l'autre côté de celle-ci, une première pièce élastique (6) et une troisième pièce élastique (7) se trouvant respectivement sur la première borne (2) et la troisième borne (4). La goupille de butée en céramique (12) passe à travers la première pièce élastique (6) et la troisième pièce élastique (7), et ses deux extrémités viennent en butée contre le tube métallique (13) et l'élément mobile (14), respectivement. L'élément mobile (14) sur lequel est enfilé un ressort (15) est pourvu d'un cliquet (16) au niveau de sa partie inférieure. Le tube métallique (13) s'étend depuis l'intérieur de la base (1) et vient en butée successivement contre une tige en céramique (18) et une tige métallique (19) disposées dans le tube métallique (13). La partie inférieure de la tige métallique (19) vient en butée contre la goupille de butée en céramique (12). Avec la structure décrite ci-dessus, la plaque chauffante de la présente invention est caractérisée par une installation facile, un chauffage rapide, une fiabilité élevée et une longue durée de vie utile.
PCT/CN2015/081334 2015-05-15 2015-06-12 Plaque chauffante à régulation de température, isolée thermiquement WO2016183889A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15879268.9A EP3116286A4 (fr) 2015-05-15 2015-06-12 Plaque chauffante à régulation de température, isolée thermiquement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510247130 2015-05-15
CN201510247130X 2015-05-15

Publications (1)

Publication Number Publication Date
WO2016183889A1 true WO2016183889A1 (fr) 2016-11-24

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PCT/CN2015/081334 WO2016183889A1 (fr) 2015-05-15 2015-06-12 Plaque chauffante à régulation de température, isolée thermiquement

Country Status (2)

Country Link
EP (1) EP3116286A4 (fr)
WO (1) WO2016183889A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016183889A1 (fr) 2015-05-15 2016-11-24 深圳市鑫富达电器有限公司 Plaque chauffante à régulation de température, isolée thermiquement

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695816A (en) * 1985-11-14 1987-09-22 E.G.O. Elektro-Gerate Blanc U. Fischer Thermal cut-out
US4901049A (en) * 1987-02-19 1990-02-13 E.G.O. Elektro-Gerate Blanc U. Fischer Temperature limiter
CN2053418U (zh) * 1989-02-03 1990-02-21 广州市华远电热电器厂 一种粘合型的电发热体
EP0394693A2 (fr) 1989-04-22 1990-10-31 E.G.O. Elektro-Geräte Blanc und Fischer GmbH & Co. KG Appareil de commutation de température
DE9113992U1 (de) 1991-11-12 1992-01-02 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Strahlungs-Heizeinheit
US5834740A (en) 1995-06-23 1998-11-10 E.G.O. Elektro-Geratebau Gmbh Method of producing a radiant heater and radiant heater
US20050061796A1 (en) 2002-07-25 2005-03-24 Higgins George Anthony Radiant electric heater
CN2768369Y (zh) * 2005-01-25 2006-03-29 简伟文 一种电热板及其坯体
DE102004058473A1 (de) 2004-11-24 2006-06-08 E.G.O. Elektro-Gerätebau GmbH Heizeinrichtung, insbesondere Strahlungsheizkörper
US7193192B2 (en) 2003-01-18 2007-03-20 Ceramaspeed Limited Temperature-responsive device
DE102006037712A1 (de) 2006-08-08 2008-02-14 E.G.O. Elektro-Gerätebau GmbH Schalteinrichtung für eine Heizeinrichtung
CN101197225A (zh) * 2007-12-03 2008-06-11 东莞大朗金准电器厂 温度调节开关
CN102833889A (zh) * 2012-08-17 2012-12-19 宝应县华东电器有限公司 红外辐射电暖器发热板体的云母板芯
CN102915874A (zh) * 2011-08-02 2013-02-06 宁波生方美丽华电器有限公司 热响应开关
EP3116286A1 (fr) 2015-05-15 2017-01-11 Shenzhen Foda Electric Co., Ltd. Plaque chauffante à régulation de température, isolée thermiquement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004123A (en) * 1960-04-28 1961-10-10 Kenneth B Cannon Thermally responsive actuator
DE2748109C2 (de) * 1977-10-27 1982-04-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrokochgerät
ATE333141T1 (de) * 2004-02-24 2006-08-15 Electrovac Temperaturfühler

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695816A (en) * 1985-11-14 1987-09-22 E.G.O. Elektro-Gerate Blanc U. Fischer Thermal cut-out
US4901049A (en) * 1987-02-19 1990-02-13 E.G.O. Elektro-Gerate Blanc U. Fischer Temperature limiter
CN2053418U (zh) * 1989-02-03 1990-02-21 广州市华远电热电器厂 一种粘合型的电发热体
EP0394693A2 (fr) 1989-04-22 1990-10-31 E.G.O. Elektro-Geräte Blanc und Fischer GmbH & Co. KG Appareil de commutation de température
DE9113992U1 (de) 1991-11-12 1992-01-02 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Strahlungs-Heizeinheit
US5834740A (en) 1995-06-23 1998-11-10 E.G.O. Elektro-Geratebau Gmbh Method of producing a radiant heater and radiant heater
US20050061796A1 (en) 2002-07-25 2005-03-24 Higgins George Anthony Radiant electric heater
US7193192B2 (en) 2003-01-18 2007-03-20 Ceramaspeed Limited Temperature-responsive device
DE102004058473A1 (de) 2004-11-24 2006-06-08 E.G.O. Elektro-Gerätebau GmbH Heizeinrichtung, insbesondere Strahlungsheizkörper
CN2768369Y (zh) * 2005-01-25 2006-03-29 简伟文 一种电热板及其坯体
DE102006037712A1 (de) 2006-08-08 2008-02-14 E.G.O. Elektro-Gerätebau GmbH Schalteinrichtung für eine Heizeinrichtung
CN101197225A (zh) * 2007-12-03 2008-06-11 东莞大朗金准电器厂 温度调节开关
CN102915874A (zh) * 2011-08-02 2013-02-06 宁波生方美丽华电器有限公司 热响应开关
CN102833889A (zh) * 2012-08-17 2012-12-19 宝应县华东电器有限公司 红外辐射电暖器发热板体的云母板芯
EP3116286A1 (fr) 2015-05-15 2017-01-11 Shenzhen Foda Electric Co., Ltd. Plaque chauffante à régulation de température, isolée thermiquement

Also Published As

Publication number Publication date
EP3116286A4 (fr) 2017-04-19
EP3116286A1 (fr) 2017-01-11

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