WO2015161551A1 - Appareil de chauffage - Google Patents

Appareil de chauffage Download PDF

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Publication number
WO2015161551A1
WO2015161551A1 PCT/CN2014/079906 CN2014079906W WO2015161551A1 WO 2015161551 A1 WO2015161551 A1 WO 2015161551A1 CN 2014079906 W CN2014079906 W CN 2014079906W WO 2015161551 A1 WO2015161551 A1 WO 2015161551A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
signal
heating device
temperature
control circuit
Prior art date
Application number
PCT/CN2014/079906
Other languages
English (en)
Chinese (zh)
Inventor
陈克平
Original Assignee
陈克平
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 陈克平 filed Critical 陈克平
Publication of WO2015161551A1 publication Critical patent/WO2015161551A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/34—Elements and arrangements for heat storage or insulation

Definitions

  • the invention relates to a heating device. Background technique
  • Existing heating appliances such as infrared heating furnaces or induction cookers generally include a housing, a heat generating disk disposed in the housing, a black crystal plate, and a fan.
  • the black crystal plate is sealed and mounted on the base, and the fan is placed flat in the casing, and the side wall of the casing is provided with a heat dissipation hole.
  • the infrared heating furnace heats the container by infrared heating, the temperature around the heating plate also rises synchronously.
  • the fan is provided in the housing, since the housing only opens the cooling holes in the side wall, convection cannot be formed, and the hot air flow is concentrated on the base. Inside, the heat dissipation effect is very poor. For a long time, it will affect the working performance of the heating appliance, and the high temperature of the base is easy to burn people.
  • the existing heating appliances generally automatically stop heating by temperature detection, which is easily affected by the external environment and causes inaccurate detection, thereby causing the water to boil for a long time and affecting the water quality.
  • a heating device comprising a furnace panel, a heat generating component, a casing and a fan;
  • the furnace panel is mounted on the casing, and a receiving cavity is formed between the furnace panel and the casing, the heating assembly and the fan are installed in the receiving cavity, the heating component is located below the furnace panel, and the heating component is Forming a ventilation interval between the sidewalls of the casing, the fan spacing is located below the heat generating component, the wind direction of the fan faces the heat generating component, and the fan forms a ventilation interval with the sidewall of the casing;
  • the shell The top wall of the body defines a plurality of air outlets spaced apart in the circumferential direction, and the lower end of the housing defines an air inlet; the air inlet, the ventilation interval and the air outlet form a basin-shaped heat dissipation channel.
  • the housing includes a fixing ring and an inner base;
  • the fixing ring includes an annular side wall and a plurality of pressing pieces; a plurality of pressing pieces are formed to extend radially from a top edge of the annular side wall;
  • the fixing ring is mounted on the fixing ring
  • the inner side wall of the base extends vertically upwardly with a plurality of support pieces spaced apart in the circumferential direction; the furnace panel is pressed between the support piece of the inner base and the pressing piece of the fixed ring, the fixing ring
  • the above air outlet is formed between every two adjacent pressing pieces.
  • the heat generating component comprises a chassis and a heating element, the heating element is mounted on a top wall of the chassis, the bottom wall of the inner base extends vertically upwards with a plurality of supporting columns, and the plurality of supporting columns are spaced along the periphery of the air inlet
  • the outer wall of the top wall of the chassis extends vertically upwards with an annular retaining wall; the chassis is mounted on a plurality of support columns, and the annular retaining wall 4 is connected to the bottom surface of the furnace panel, between the chassis and the furnace panel Form a confined space.
  • the air inlet is opened in a middle portion of the bottom wall of the inner base, and the fan is located directly above the air inlet.
  • the heating device further includes a control circuit and a first temperature sensor; the first temperature sensor is configured to detect a peripheral temperature of the heat generating component, and generate a corresponding first temperature signal; the control circuit is configured to use the first temperature The first temperature signal from the sensor Comparing with the preset first temperature threshold signal, when the first temperature signal is smaller than the first temperature threshold signal, the control circuit controls the fan to operate at a rated power, when the first temperature signal is greater than the first The temperature threshold signal, the control circuit controls the fan to operate at full power.
  • the first temperature sensor is configured to detect a peripheral temperature of the heat generating component, and generate a corresponding first temperature signal
  • the control circuit is configured to use the first temperature The first temperature signal from the sensor Comparing with the preset first temperature threshold signal, when the first temperature signal is smaller than the first temperature threshold signal, the control circuit controls the fan to operate at a rated power, when the first temperature signal is greater than the first The temperature threshold signal, the control circuit controls the fan to operate at full power.
  • the heating device further includes a control circuit and a load cell mounted outside the bottom wall of the inner base, the load cell is configured to detect the weight of the liquid in a heated container placed on the furnace panel in real time, and Generating a corresponding weight signal; the control circuit is configured to record the weight signal that remains unchanged for a preset time as an unboiling weight signal, and subtract the unboosted weight signal from the subsequent weight signal to obtain an evaporated water vapor weight value. And comparing the evaporated water vapor weight value with a preset evaporation water vapor weight threshold. When the evaporated water vapor weight value is greater than the evaporated water vapor weight threshold, the control thyristor is disconnected, so that a power source stops supplying power. The heating element.
  • the heating device further includes a circuit board provided with the control circuit, a central portion of the circuit board is provided with a through slot, and a bottom wall of the inner base is embedded in the mounting slot of the circuit board, and the inner base is The air inlet is located in the installation channel.
  • the heating device further includes a second temperature sensor for detecting a peripheral temperature of the control circuit and the load cell, and correspondingly generating a second temperature signal; the control circuit is further configured to use the second temperature signal and the second temperature The threshold signal is compared, and when the second temperature signal is greater than the second temperature threshold signal, the fan frequency conversion operation is controlled.
  • the heating device further includes a short-distance wireless communication module connected to the control circuit, and the short-range wireless communication module is configured to wirelessly connect the remote controller of the heating device, the short distance
  • the heat dissipating component is always wrapped by the basin-shaped heat dissipating wind screen, and the external airflow enters into the casing from the air inlet of the casing, and is in full contact with the heating component through the ventilation interval.
  • the basin-shaped heat dissipation screen is further formed to take away heat around the heat-generating component through the air outlet, and the heat dissipation effect is good and the efficiency is high.
  • the basin-shaped cooling airscreen not only can effectively dissipate heat, but also concentrate heat energy in the middle of the furnace panel to make more efficient use of thermal energy.
  • a closed space is formed between the chassis of the present invention and the furnace panel, so that the heat generated by the heating element can be concentrated as much as possible in the middle of the furnace panel, thereby effectively reducing heat loss to the periphery of the chassis, and reducing The peripheral temperature of the chassis.
  • the confined space is also waterproof and dustproof, so that the heating element is not affected by moisture and dust entering from the air outlet.
  • the invention detects the peripheral temperature of the heating component, the control circuit and the load cell in real time, thereby realizing intelligent temperature control and heat dissipation, effectively dissipating heat while conserving energy saving, and also prolonging the service life of the control circuit and the load cell.
  • the heating device can automatically recognize the various states of the liquid heating process, and automatically stop the heating when the liquid is heated to the boiling state, which can prevent the water from affecting the water quality due to prolonged boiling, and the measurement is accurate and not easy to misjudge.
  • FIG. 1 is a schematic cross-sectional view showing a preferred embodiment of a heating apparatus of the present invention.
  • 2 is a schematic top plan view of the heating device of FIG. 1. detailed description
  • the present invention relates to a heating apparatus, the preferred embodiment of which comprises a furnace panel 2, a heat generating component 3, a casing and a fan 5.
  • the furnace panel 2 is mounted on the casing, and a receiving cavity is formed between the furnace panel 2 and the casing.
  • the heat generating component 3 and the fan 5 are installed in the receiving cavity, and the heat generating component 3 is located below the furnace panel 2.
  • a ventilation interval is formed between the heat generating component 3 and a sidewall of the casing, the fan 5 is spaced below the heat generating component 3, and an air blowing direction of the fan 5 faces the heat generating component 3, the fan 5 and the shell Ventilation spaces are formed between the sidewalls of the body.
  • the top wall of the casing defines a plurality of air outlets 11 spaced apart in the circumferential direction, and the lower end of the casing defines an air inlet.
  • the air inlet, the ventilation interval and the air outlet 11 constitute a basin-shaped heat dissipation passage.
  • the arrow direction of Fig. 1 illustrates the air flow path in the heating device.
  • the fan 5 rotates, the external airflow enters the casing from the air inlet of the casing, and passes through the ventilation interval to fully contact the heat generating component 3, thereby forming a basin.
  • the heat dissipating wind screen is used to remove the heat around the heat generating component 3 via the air outlet 11, and the heat dissipating effect is good and the efficiency is high.
  • the basin-shaped heat dissipation air screen not only achieves effective heat dissipation, but also concentrates heat energy in the middle of the furnace panel 2 to more effectively utilize heat energy.
  • the conventional direct-blowing cylindrical heat-dissipating airflow reduces the heating heat while cooling, affecting the heating device.
  • the housing includes a fixed ring 1 and an inner base 4.
  • the retaining ring 1 comprises an annular side wall 13 and a plurality of pressure sheets 14. a plurality of pressing pieces 14 from the top edge of the annular side wall 13 Radial extension is formed.
  • the retaining ring 1 is mounted to the upper end of the inner base 4.
  • the inner side wall of the base 4 extends vertically upwards with a plurality of support pieces 41 spaced apart in the circumferential direction.
  • the furnace panel 2 is pressed between the support piece 41 of the inner base 4 and the pressing piece 14 of the fixed ring 1.
  • the air outlet 11 is formed between each two adjacent pressing pieces 14 of the fixed ring 1.
  • the heat generating component 3 includes a chassis 31 and a heating element 32 such as a heating wire or an infrared heating lamp.
  • the heating element 32 is mounted on the top wall of the chassis 31.
  • the bottom wall of the inner base 4 extends vertically upwards from a plurality of support columns 48.
  • a plurality of support columns 48 are spaced apart along the circumference of the air inlet 12, and an outer edge of the top wall of the chassis 31 extends vertically upwards with an annular barrier wall 33.
  • the chassis 31 is mounted on a plurality of support columns 48.
  • the annular barrier wall 33 abuts against the bottom surface of the furnace panel 2.
  • the chassis 31 and the furnace panel 2 form a closed space, so that the heat generating component 32 can be generated.
  • the heat is concentrated as much as possible in the middle of the furnace panel 2, effectively reducing the loss of heat to the periphery of the chassis 31, and also lowering the peripheral temperature of the chassis 31. Further, the sealed space is also provided with a waterproof and dustproof function, so that the heat generating component 32 is not affected by moisture and dust entering from the air outlet 11.
  • the air inlet 12 is defined in a middle portion of the bottom wall of the inner base 4, and the fan 5 is located directly above the air inlet 12.
  • the outside cold air quickly enters the inner base 4 under the action of the fan 5, surrounds the outer periphery of the chassis 31, and forms a basin-shaped heat dissipation air screen, and the heat of the periphery of the chassis 31 is taken out through the air outlet 11 in all directions.
  • the heating device That is to say, during the operation of the fan 5, the chassis 31 is kept tightly wrapped by the basin-shaped heat sink, and the heat dissipation effect is excellent.
  • the heating device further includes a circuit board 6 provided with a control circuit.
  • the middle portion of the circuit board 6 is provided with a mounting slot.
  • the bottom wall of the inner base 4 is embedded in the mounting slot of the circuit board 6.
  • the air inlet 12 of the inner base 4 is located in the installation channel.
  • the circuit board 6 is located outside the inner base 4, and is isolated from the heat generating component 3, so that the control circuit is not affected by the heat around the heat generating component 3, the operation is more stable, and the control circuit is not affected.
  • the water vapor and dust entering from the air outlet 11 are affected.
  • the heating device further includes a first temperature sensor mounted to the outer surface of the chassis 31, the first temperature sensor for detecting the peripheral temperature of the heat generating component 3 and generating a corresponding first temperature signal.
  • the control circuit is configured to compare the first temperature signal sent by the first temperature sensor with a preset first temperature threshold signal, and when the first temperature signal is smaller than the first temperature threshold signal, the control circuit The fan 5 is controlled to operate at a rated power. When the first temperature signal is greater than the first temperature threshold signal, the control circuit controls the fan 5 to operate at full power. In this way, intelligent temperature-controlled heat dissipation is realized by detecting the peripheral temperature of the heat-generating component 3 in real time, which is effective for heat dissipation and energy saving.
  • the heating device further includes a load cell 6 mounted outside the bottom wall of the inner base 4, and the load cell 6 is configured to detect the weight of a liquid placed in the heated container on the furnace panel 2 in real time, and generate corresponding Weight signal.
  • the control circuit is configured to record the weight signal that remains unchanged for a preset time as an unboiling weight signal, and subtract the unboiling weight signal from the subsequent weight signal to obtain an evaporated water vapor weight value, and then evaporate the water vapor The weight value is compared with a preset evaporation water vapor weight threshold.
  • the control thyristor When the evaporated water vapor weight value is greater than the evaporated water vapor weight threshold, the control thyristor is disconnected, so that a power source stops supplying power to the heat generating component 3, , the water boiling can be accurately detected, and the heating can be stopped at the same time to ensure the water quality is excellent. It is common knowledge that when the liquid starts to heat up, the weight of the liquid will remain unchanged for a long period of time due to the lower temperature, and it will be heated to a certain temperature. After that, the water vapor slowly evaporates. At this time, the weight of the liquid will slowly decrease until the liquid is heated to a boiling state.
  • the heating device can automatically recognize the various states of the liquid heating process, and automatically stop the heating when the liquid is heated to the boiling state, which can prevent the water from affecting the water quality due to boiling for a long time, and the measurement is accurate and difficult to misjudge.
  • the housing further includes a housing (not shown) and an outer bottom plate mounted under the load cell
  • the outer casing is sleeved outside the inner base 4 , and the outer bottom plate 9 is mounted on the lower end of the outer casing 9 , and the outer bottom plate 9 defines a plurality of ventilation holes.
  • the heating device further includes a second temperature sensor mounted on the circuit board for detecting a peripheral temperature of the control circuit and the load cell and correspondingly generating a second temperature signal.
  • the control circuit is further configured to compare the second temperature signal with the second temperature threshold signal, and when the second temperature signal is greater than the second temperature threshold signal, control the fan 5 to perform frequency conversion to ensure the control circuit and The load cell operates at normal temperature, thereby improving the workability and service life of the control circuit and the load cell.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Resistance Heating (AREA)
  • Electric Stoves And Ranges (AREA)
  • Furnace Details (AREA)

Abstract

L'invention concerne un appareil de chauffage comprenant une plaque frontale de four, un composant de chauffage, un logement et un ventilateur ; caractérisé en ce que la plaque frontale de four est montée sur le logement, une chambre d'accueil est formée entre la plaque frontale de four et le logement, le composant de chauffage et le ventilateur sont montés dans la chambre d'accueil, le composant de chauffage est situé sous la plaque frontale de four, un écartement de ventilation est formé entre le composant de chauffage et une paroi latérale du logement, l'écartement de ventilateur est situé sous le composant de chauffage, la direction de soufflage vers l'extérieur du ventilateur fait face au composant de chauffage, et un écartement de ventilation est formé entre le ventilateur et une paroi latérale du logement ; une paroi supérieure du logement comporte plusieurs sorties d'air réparties à des intervalles dans la direction circonférentielle, une extrémité inférieure du logement comporte une entrée d'air ; et l'entrée d'air, l'écartement de ventilation et les sorties d'air constituent un canal de dissipation thermique de type cuvette. Dans l'appareil de chauffage, pendant le fonctionnement du ventilateur, le composant de chauffage est continuellement maintenu couvert par un écran d'air de dissipation thermique de type cuvette, les effets de dissipation thermique sont bons et l'efficacité est élevée.
PCT/CN2014/079906 2014-04-25 2014-06-16 Appareil de chauffage WO2015161551A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420209880.9 2014-04-25
CN201420209880 2014-04-25

Publications (1)

Publication Number Publication Date
WO2015161551A1 true WO2015161551A1 (fr) 2015-10-29

Family

ID=51308727

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/079906 WO2015161551A1 (fr) 2014-04-25 2014-06-16 Appareil de chauffage

Country Status (3)

Country Link
CN (2) CN203928042U (fr)
TW (1) TWI567355B (fr)
WO (1) WO2015161551A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203928042U (zh) * 2014-04-25 2014-11-05 陈克平 加热装置
CN104656625A (zh) * 2015-02-06 2015-05-27 廖志文 智能平台化电热厨用小家电系统
CN106322758A (zh) * 2016-11-15 2017-01-11 中山市纳宝电器科技有限公司 电加热器具
CN108477998A (zh) * 2018-02-01 2018-09-04 佛山市顺德区美的饮水机制造有限公司 液体加热方法及装置
CN108548748A (zh) * 2018-03-29 2018-09-18 湖南三德科技股份有限公司 一种热重分析方法及装置

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JPS61110819A (ja) * 1984-11-02 1986-05-29 Matsushita Electric Ind Co Ltd 調理器ユニツト
JPH09154718A (ja) * 1995-12-08 1997-06-17 Sharp Corp 炊飯器
JP2001070175A (ja) * 1999-09-01 2001-03-21 Matsushita Electric Ind Co Ltd 加熱調理器
CN201488050U (zh) * 2009-06-09 2010-05-26 柯伯忠 一种电磁炉
CN201542399U (zh) * 2009-11-27 2010-08-11 唐远贵 带有散热风扇的电热锅
CN201555272U (zh) * 2009-11-26 2010-08-18 深圳市鑫汇科科技有限公司 电磁炉一体机芯
CN203099922U (zh) * 2013-01-10 2013-07-31 范启伟 一种空气对流式隔热装置
CN103994481A (zh) * 2014-04-25 2014-08-20 陈克平 加热装置

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JPS58150722A (ja) * 1982-03-02 1983-09-07 Matsushita Electric Ind Co Ltd 複合調理器
JPS58178988A (ja) * 1982-04-14 1983-10-20 松下電器産業株式会社 調理器ユニツト
KR101344560B1 (ko) * 2009-01-28 2013-12-26 가부시키가이샤 알박 온도 검출 장치, 가열 장치
CN201463007U (zh) * 2009-03-15 2010-05-12 张侠 立式电磁炉
CN202109542U (zh) * 2011-06-02 2012-01-11 深圳市鑫汇科电子有限公司 一种直吹散热的嵌入式电磁炉
CN102235703A (zh) * 2011-07-06 2011-11-09 惠州市厨易智能科技有限公司 一种电磁炉散热结构
CN202675395U (zh) * 2012-06-29 2013-01-16 陈四强 后散热嵌入式电磁炉

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61110819A (ja) * 1984-11-02 1986-05-29 Matsushita Electric Ind Co Ltd 調理器ユニツト
JPH09154718A (ja) * 1995-12-08 1997-06-17 Sharp Corp 炊飯器
JP2001070175A (ja) * 1999-09-01 2001-03-21 Matsushita Electric Ind Co Ltd 加熱調理器
CN201488050U (zh) * 2009-06-09 2010-05-26 柯伯忠 一种电磁炉
CN201555272U (zh) * 2009-11-26 2010-08-18 深圳市鑫汇科科技有限公司 电磁炉一体机芯
CN201542399U (zh) * 2009-11-27 2010-08-11 唐远贵 带有散热风扇的电热锅
CN203099922U (zh) * 2013-01-10 2013-07-31 范启伟 一种空气对流式隔热装置
CN103994481A (zh) * 2014-04-25 2014-08-20 陈克平 加热装置
CN203928042U (zh) * 2014-04-25 2014-11-05 陈克平 加热装置

Also Published As

Publication number Publication date
TWI567355B (zh) 2017-01-21
CN203928042U (zh) 2014-11-05
CN103994481A (zh) 2014-08-20
TW201541047A (zh) 2015-11-01
CN103994481B (zh) 2016-05-11

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