WO2007140652A1 - Grille-pain - Google Patents

Grille-pain Download PDF

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Publication number
WO2007140652A1
WO2007140652A1 PCT/CN2006/001251 CN2006001251W WO2007140652A1 WO 2007140652 A1 WO2007140652 A1 WO 2007140652A1 CN 2006001251 W CN2006001251 W CN 2006001251W WO 2007140652 A1 WO2007140652 A1 WO 2007140652A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating
power
glass
control
resistive film
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2006/001251
Other languages
English (en)
Chinese (zh)
Inventor
I Feng Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IMPRESSION TECHNOLOGY Ltd
Original Assignee
IMPRESSION TECHNOLOGY Ltd
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 IMPRESSION TECHNOLOGY Ltd filed Critical IMPRESSION TECHNOLOGY Ltd
Priority to HK09111569.9A priority Critical patent/HK1131869B/xx
Priority to PCT/CN2006/001251 priority patent/WO2007140652A1/fr
Priority to CN2006800548876A priority patent/CN101460081B/zh
Publication of WO2007140652A1 publication Critical patent/WO2007140652A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/06—Roasters; Grills; Sandwich grills
    • A47J37/08—Bread-toasters
    • 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 [2D] plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/283—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material the insulating material being an inorganic material, e.g. ceramic

Definitions

  • the present invention relates to a toast furnace, and more particularly to a toast furnace using a resistive film surface heating technique. Background technique
  • a common toaster has a furnace body frame constituting its outer shape, and is mounted in the frame of the furnace body to support a bread slice holder placed thereon. When the bread slice is baked, the bread slice holder can bounce the bread slice.
  • the heating elements are arranged vertically in pairs, the bread slices are placed between the pair of heating elements; the control part is used to control the heating time and the heating temperature.
  • the control part of the control section is mounted on the control panel of the furnace frame.
  • the heating member is formed by winding a resistance wire around the mica sheet, and the heating on the heating area of the heating member is uneven, and the bread portion is easily scorched and the other portion is not baked.
  • Another object of the present invention is to provide a toast furnace in which the heating element is heated in the heating plane.
  • Still another object of the present invention is to provide a toast furnace which can be selected by a user to determine the degree of roasting, automatically calculate the roasting time and the roasting power, and perform corresponding operations.
  • the toast furnace of the present invention comprises a furnace body frame constituting the shape of a toast furnace, a bread slice holder installed in the frame of the furnace body for supporting the bread piece placed thereon and ejecting it after baking;
  • One or more heating members, the bread pieces are placed between adjacent heating members;
  • the control portion includes a control panel on the outer surface of the furnace body frame with a plurality of control buttons and a control device disposed in the frame of the furnace body,
  • the heating member comprises a resistive film and a corresponding electrode on one surface a first glass, a second glass adjacent to a surface of the resistive film of the first glass, the electrode of the resistive film being electrically connected to the control device.
  • the first glass, the second glass, and the resistive film are all transparent.
  • a plurality of pairs of electrodes may be disposed on the first glass, and the resistive film is divided into a plurality of heat generating regions, and the control device controls different heating regions to be energized and heated to obtain a partially baked toast desired by the user.
  • the controller has a temperature and humidity sensor, a control circuit and a controller pre-installed with a control program, and the control section performs the following control process:
  • the resistive film is de-energized to stop heating
  • the control device sends a signal to the bread slice holder, and the bread holder moves to eject the baked toast.
  • the user can input the requirements for the degree of breading of the bread slice through the control panel.
  • D includes: both internal and external coke; dry hardening; outer coke soft; soft.
  • the step of thawing the thawing power is also included before the heating of the determined reference heating power.
  • the toaster furnace of the present invention can not only observe the grilling state of the bread slice at any time, but also reduce the problem of improper grilling caused by the user's experience of setting the grilling condition through an intelligent control program.
  • Figure 1 is an outline view of an embodiment of a toast furnace of the present invention
  • Figure 2 is a schematic exploded view of the heating element of the toast furnace of the present invention.
  • FIG 3 is a schematic illustration of another preferred embodiment of the distribution of resistive films on the first glass of Figure 2;
  • Figure 4 is a block diagram of the workflow of the toast furnace of the present invention.
  • the toast furnace of the present invention comprises a furnace body frame 1, a heating member 2, a control panel 3 disposed on the outer surface of the furnace body frame, and a bread slice disposed inside the furnace body frame.
  • the support device and the control device are not shown in the drawings.
  • the breadcrumb support device is used to support the bread slices and eject them after baking, and any suitable structure known in the art can be employed.
  • the control device includes control circuitry, controllers, and various sensors, and can be constructed in a manner well known to those skilled in the art.
  • the heating member of the toast furnace of the present invention is composed of glass to which a resistive film is applied.
  • the heating element 2 includes a first glass 21 and a second glass 22 that are joined together.
  • a resistive film 23 is uniformly applied to one surface of the first glass 21, and the resistive film 23 generates heat after being energized.
  • the resistor 23 film is formed using materials commonly used in the art. Since the material forming the resistive film 23 is applied to the glass in a state of fine particles of a nanometer order, the formed resistive film 23 is transparent.
  • the electrodes 24, 24 of the resistive film 23 are disposed on both sides, and after the heating member is mounted on the frame of the furnace, the electrode portion is covered and cannot be seen from the outside.
  • This surface of the first glass 21 is referred to as a "resistive film surface".
  • the second glass 22 is bonded to the first glass 21 near the surface of the resistive film to form the heating member 2.
  • the second glass 22 may be made of tempered glass. Both the glass 21 and the second glass are transparent.
  • the resistive film 23 is uniformly applied to the surface of the first glass 21, and only a corresponding set of electrodes can be provided on both sides of the resistive film, as shown in Fig. 2. Thus, after the power is turned on, the entire resistive film is heated together to uniformly bake the bread slices.
  • a plurality of sets of corresponding electrodes are disposed on both sides of the resistive film 23, and the resistive film 23 is divided into different heating zones, and selectively energizing a certain group or sets of electrodes is an electrode A portion of the resistive film is heated to provide a locally baked toast desired by the user.
  • the toaster furnace shown in Figure 1 is elongate and comprises only two elongated heating elements 2.
  • a plurality of slices of bread are linearly arranged in sequence between the two heater chips. The user can clearly see the roasting of the two sides of each piece of bread.
  • the toaster can be square, including a plurality of heating elements arranged side by side, with the slices placed side by side between the heating sheets.
  • control knobs are mounted on the control panel 3 of the toaster.
  • the user can select the degree of roasting according to his or her preference.
  • the control means provided in the furnace body frame 1 can be of various designs known in the art. In the prior art, in order to achieve a predetermined degree of roasting, it is generally required for the user to set the heating power and the heating time according to the individual's warp.
  • control portion of the toast oven of the present invention can achieve intelligence Control, no need for users to judge by experience.
  • Figure 4 is a flow chart showing the working process of the toaster furnace of the present invention.
  • a temperature sensor for measuring the outside temperature and the temperature of the bread slice is provided in the control device of the toaster, a humidity sensor having a moderate environment, a control circuit, and a controller pre-installed with the control program are provided.
  • the user inputs the requirements for the degree of roasting of the bread slice through the control button on the control panel D, which may include: 1 , inner and outer coke; 2, dry hardening; 3, outer coke soft; 4, soft.
  • the temperature sensor and humidity sensor first measure the ambient temperature Tc and humidity H.
  • the user puts the slice of bread and enters the desired degree of grilling D.
  • the controller determines the reference heating power and heating time based on Tc, H, and D.
  • the temperature sensor measures the temperature Tb of the surface of the bread piece. If Tb is greater than or equal to the set reference temperature, such as 6 ° C, the controller issues a command to the control circuit, energizes the resistive film and determines the predetermined heating power to heat the predetermined heating. Time, then power off. If Tb is less than the set reference temperature and the bread slice is considered to be frozen, it is thawed at the thawing power until Tb reaches 20. After C, the predetermined heating time is further heated by the above reference heating power, and then the power is turned off.
  • the set reference temperature such as 6 ° C
  • heating power, heating time and thawing power are determined by empirical formulas well known in the art or determined by the manufacturer.
  • the reference heating power is calculated as follows:
  • X is the temperature power control proportional constant.
  • the heating time can be divided into two sections, including the time from the energization to the reference heating power and the time t to maintain the reference heating power to the power-off.
  • the above heating time is determined according to the user's requirements as follows:
  • the power-time curve during heating is segmented, with a slope of -WD/tO in the 0-10 segment and a constant WD in the tO-tl segment.
  • the control circuit of the present invention may further include a feedback loop.
  • the control device measures the actual heating power of the resistive film multiple times within 0-tl. If the power-time relationship curve is not met, the feedback loop is used to adjust the heating power so that the actual heating power-time relationship curve conforms to the above calculated theory. curve.
  • Wf is the thawing power constant.
  • Wf is determined as follows:
  • the ambient temperature is 22 ° C and the relative humidity is 84%.
  • the user's selected degree of roasting is 3.
  • the surface temperature of the slice is 10° (:.
  • the control device needs to control the resistive film to reach a heating power of 791 W 5 seconds after the power is turned on, and maintain the power for 40 s, and then power off. This will allow the soft toast in the outer focus of the user to be baked.
  • the ambient temperature outside is 33. C, the relative humidity is 92%.
  • the user's selected degree of roasting is 1.
  • the slice of bread was taken out of the freezer of the refrigerator and the surface temperature was -2. C.
  • the defrosting procedure is required. According to Table 4, the Wf is 110W. The thawing power was calculated to be 114W.
  • the WD is 600W.
  • X is 10.
  • the reference heating power was calculated to be 541W.
  • the control device needs to control the resistive film to reach the thawing power 114W according to the above parameters, and maintain the power until the temperature of the surface of the bread slice reaches 20 ° C, and the thawing process ends. Then, the heating power is reached at 541 W in 30 seconds, and the power is maintained for 30 s, and then the power is turned off. This allows you to use the frozen slices to bake out the toast that is inside and out of the user.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Electric Stoves And Ranges (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

La présente invention concerne un grille-pain comprenant un cadre de corps (1), un support de tranche de pain, deux réchauffeurs ou plus (2) et une partie de commande. Le cadre de corps constitue la configuration du grille-pain. Le support de tranche de pain est monté dans le cadre de corps pour supporter la tranche de pain placée sur le support de tranche de pain et éjecte la tranche de pain une fois celle-ci grillée. Les tranches de pain sont disposées entre les réchauffeurs adjacents. La partie de commande comprend un panneau de commande (3) avec de nombreux boutons de commandes sur la surface extérieure du cadre de corps et un dispositif de commande placé dans le cadre de corps. Ledit réchauffeur (2) comprend un premier verre (21) et un second verre (22). Une surface du premier verre possède un film d'impédance (23) et des électrodes correspondantes. Le second verre est à proximité de la surface du film d'impédance du premier verre. Les électrodes sont reliées électriquement au dispositif de commande
PCT/CN2006/001251 2006-06-08 2006-06-08 Grille-pain Ceased WO2007140652A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HK09111569.9A HK1131869B (en) 2006-06-08 Toaster
PCT/CN2006/001251 WO2007140652A1 (fr) 2006-06-08 2006-06-08 Grille-pain
CN2006800548876A CN101460081B (zh) 2006-06-08 2006-06-08 吐司炉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/001251 WO2007140652A1 (fr) 2006-06-08 2006-06-08 Grille-pain

Publications (1)

Publication Number Publication Date
WO2007140652A1 true WO2007140652A1 (fr) 2007-12-13

Family

ID=38801039

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/001251 Ceased WO2007140652A1 (fr) 2006-06-08 2006-06-08 Grille-pain

Country Status (2)

Country Link
CN (1) CN101460081B (fr)
WO (1) WO2007140652A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131017A2 (fr) 2009-05-15 2010-11-18 Morphy Richards Limited Appareil de chauffage d'aliment
US20130220144A1 (en) * 2012-02-29 2013-08-29 Tsann Kuen (Zhang Zhou) Enterprise Co., Ltd. Toaster
USD704496S1 (en) 2012-09-28 2014-05-13 Eldon Coppersmith See-through toaster
EP3132654A4 (fr) * 2014-04-16 2018-01-31 Spectrum Brands, Inc. Appareil de cuisson utilisant un élément chauffant à film mince

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104398160A (zh) * 2014-11-03 2015-03-11 深圳市润唐智能生活电器有限公司 制作馒头面包的蒸气释放装置及具有该装置的馒头面包机
AU2015275269B2 (en) * 2014-12-23 2020-02-27 Newell Australia Pty Ltd Toaster with temperature control
CN112137442A (zh) * 2020-09-14 2020-12-29 河北慧术玻璃产业技术研究有限公司 一种玻璃内胆加热方式的内胆结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2105974A (en) * 1981-07-21 1983-04-07 Ti Russell Hobbs Ltd Improvements in or relating to electric toasters
US4745855A (en) * 1986-02-13 1988-05-24 Sunbeam Corporation Electric toaster element
GB2229899A (en) * 1988-12-22 1990-10-03 Kenwood Ltd Toaster heating element
CN2150804Y (zh) * 1992-08-12 1993-12-29 曹正尚 透明烘面包器
CN2300352Y (zh) * 1997-06-12 1998-12-16 李国基 全自动多功能面包烤箱

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2105974A (en) * 1981-07-21 1983-04-07 Ti Russell Hobbs Ltd Improvements in or relating to electric toasters
US4745855A (en) * 1986-02-13 1988-05-24 Sunbeam Corporation Electric toaster element
GB2229899A (en) * 1988-12-22 1990-10-03 Kenwood Ltd Toaster heating element
CN2150804Y (zh) * 1992-08-12 1993-12-29 曹正尚 透明烘面包器
CN2300352Y (zh) * 1997-06-12 1998-12-16 李国基 全自动多功能面包烤箱

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131017A2 (fr) 2009-05-15 2010-11-18 Morphy Richards Limited Appareil de chauffage d'aliment
US20130220144A1 (en) * 2012-02-29 2013-08-29 Tsann Kuen (Zhang Zhou) Enterprise Co., Ltd. Toaster
US10238237B2 (en) * 2012-02-29 2019-03-26 Tsann Kuen (Zhanzhou) Enterprise Co., Ltd. Toaster
USD704496S1 (en) 2012-09-28 2014-05-13 Eldon Coppersmith See-through toaster
EP3132654A4 (fr) * 2014-04-16 2018-01-31 Spectrum Brands, Inc. Appareil de cuisson utilisant un élément chauffant à film mince

Also Published As

Publication number Publication date
CN101460081B (zh) 2011-04-20
HK1131869A1 (en) 2010-02-12
CN101460081A (zh) 2009-06-17

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