EP1669679A1 - Dispositif de commande d'entrée d'air pour hotte de cuisine - Google Patents

Dispositif de commande d'entrée d'air pour hotte de cuisine Download PDF

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Publication number
EP1669679A1
EP1669679A1 EP05290736A EP05290736A EP1669679A1 EP 1669679 A1 EP1669679 A1 EP 1669679A1 EP 05290736 A EP05290736 A EP 05290736A EP 05290736 A EP05290736 A EP 05290736A EP 1669679 A1 EP1669679 A1 EP 1669679A1
Authority
EP
European Patent Office
Prior art keywords
kitchen range
intake
motor
range hood
region
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.)
Granted
Application number
EP05290736A
Other languages
German (de)
English (en)
Other versions
EP1669679B1 (fr
Inventor
Je-Jun Lee
Sung-Bae Song
Seung-Jo Baek
Sang-Bum Sohn
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1669679A1 publication Critical patent/EP1669679A1/fr
Application granted granted Critical
Publication of EP1669679B1 publication Critical patent/EP1669679B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • 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
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems

Definitions

  • the present invention relates to a kitchen range hood and, more particularly, to an intake controlling device of a kitchen range hood.
  • a kitchen range hood is installed at an upper side of a kitchen range, such as a gas range, an oven range, or the like, in order to exhaust heat, various kinds of smells, steam and gases such as CO 2 or the like generated according to imperfect combustion.
  • the kitchen range hood exhausts a gas or contaminated air and prevents a bad smell.
  • Figure 1 is a side view showing a kitchen range hood installed at an upper side of a kitchen range in accordance with a conventional art.
  • FIG. 2 is an enlarged perspective view of the kitchen range hood in accordance with the conventional art.
  • a conventional kitchen range hood 10 includes an exhaust duct 11; a blower 12 installed in the exhaust duct 11 and including a fan motor (not shown) and an exhaust fan (not shown); a hood cover 15 connected with the exhaust duct 11; and a filter 13 installed in the hood cover 15 and filtering a smell, dust or oil in the air sucked through the intake 14 of the hood cover 15.
  • the kitchen range hood 10 is installed spaced apart with a certain interval at an upper side of the kitchen range 20.
  • the exhaust duct 11 discharges externally air sucked through the intake 14.
  • the conventional kitchen range hood 10 cannot discharge externally the whole of heat and contaminated air generated when cooking by using a front gas burner of the kitchen range 20, so a portion of the heat and contaminated air spreads toward a user positioned in front of the kitchen range hood 10, making the user feel uncomfortable.
  • an object of the present invention is to provide an intake controlling device of a kitchen range hood capable of effectively discharging heat and contaminated air effectively through a kitchen range hood and thus maintaining an agreeable indoor environment.
  • an intake controlling device of a kitchen range hood including: an intercepting plate installed at a kitchen range hood; and a driving unit installed at the kitchen range hood and selectively moving the intercepting plate to an opening region of the intake of the kitchen range hood.
  • a kitchen range hood including: an exhaust duct; a blower installed in the exhaust duct and including a fan motor and an exhaust fan; a hood cover connected with the exhaust duct; a filter installed in the hood cover and filtering air sucked through an intake of the hood cover; and an intake controlling device installed at the hood cover and selectively opening or blocking opening regions of the intake.
  • an intake controlling device of a kitchen range hood including: an intercepting plate installed at a kitchen range hood; sensors installed at the kitchen range hood, sensing a current cooking position of the kitchen range and generating a sense signal; a motor driving unit for generating a motor drive signal for automatically moving the intercepting plate to a specific region of an intake of the kitchen range hood according to the sense signal; and a motor for moving the intercepting plate to a specific region of the intake according to the motor drive signal in order to block the specific region of the intake.
  • An intake controlling device of a kitchen range hood capable of effectively discharging heat of a kitchen range hood and contaminated air and maintaining an agreeable indoor environment in accordance with preferred embodiments of the present invention with reference to Figures 3 to 8.
  • Figure 3 is a side view showing the construction of the kitchen range hood in accordance with the present invention.
  • the kitchen range hood 10 includes an exhaust duct 11; a blower 12 installed inside the exhaust duct 11 and including the fan motor (not shown) and an exhaust fan (not shown); a hood cover 15 connected with the exhaust duct 11; a filter 13 installed in the hood cover 15 and filtering a small and oil in the air sucked through an intake 14 of the hood cover 15; and an intake controlling device 100 installed at the hood cover 15 and selectively blocking opening regions of the intake 14.
  • the intake controlling device 100 in accordance with the first embodiment of the present invention will now be described with reference to Figure 4.
  • Figure 4 shows a detailed construction of an intake controlling device of a kitchen range hood in accordance with a first embodiment of the present invention.
  • the intake controlling device 100 includes an interception plate 102 installed at the hood cover 15 and selectively blocking a specific region (e.g., one of a first opening region, a second region and a central region) of the intake 14; a motor driving unit 103 for generating a motor drive signal for moving the interception plate 102 to the specific region of the intake 14 according to user's selection; and a motor 101 for moving the interception plate 102 to a specific region of the intake 14 according to the motor drive signal in order to block the specific region of the intake 14.
  • a specific region e.g., one of a first opening region, a second region and a central region
  • a motor driving unit 103 for generating a motor drive signal for moving the interception plate 102 to the specific region of the intake 14 according to user's selection
  • a motor 101 for moving the interception plate 102 to a specific region of the intake 14 according to the motor drive signal in order to block the specific region of the intake 14.
  • an uptake rate of the opening region is increased.
  • the first opening region of the intake 14 installed at an upper side of the front gas burner 21 is opened and the second opening region of the intake 14 installed at an upper side of a back gas burner 22 is blocked, air is sucked only through the first opening region, making the uptake rate of the kitchen range hood is increased.
  • a gas burner e.g., the front gas burner
  • the central region is an in-between region of the first and second opening regions.
  • Moving the interception plate 102 to a specific region can be implemented in a variable manner according to user's selection.
  • FIG. 5 is a circuit diagram showing a detailed construction of a driving unit of the intake controlling device in accordance with the first embodiment of the present invention.
  • the motor driving unit 103 includes: a user switch (US) for generating a switching signal for moving the interception plate 102 to a specific region (one of the first and second opening regions and the central region) of the intake 14; a front limit switch (SF) for receiving the switching signal of the US, and cutting off power supply to the motor 101 when the interception plate 102 is sensed, in order to move the interception plate 102 to the first opening region of the intake 14; a center limit switch (SC) for receiving the switching signal of the US, and cutting off power supply to the motor 101 when the interception plate 102 is sensed, in order to move the interception plate 102 to the central opening region of the intake 14; and a back limit switch (SB) for receiving the switching signal of the US, and cutting off power supply to the motor 101 when the interception plate 102 is sensed, in order to move the interception plate 102 to the second opening region of the intake 14.
  • a user switch for generating a switching signal for moving the interception plate 102 to a specific region (one
  • the motor 101 is driven when the US and the SF are simultaneously turned on, when the US and the SC are simultaneously turned on, or when the US and the SB are simultaneously turned on.
  • the motor driving unit 103 moves the interception plate 102 to a specific region of the intake 14 by controlling the motor 101.
  • the position of the interception plate 102 is determined by the user.
  • the motor 101 when a terminal 'F' of the US is selected in order to block the first opening region of the intake 14, power is applied to the motor 101 through the front limit switch (SF) electrically connected with the terminal 'F' of the user switch (US), and the motor 101 is driven by power and moves the interception plate 102 to the first opening region.
  • the SF cuts off power supply to the motor 101. Namely, when the SF contacts with the interception plate 102, the SF is turned off to cut off power applied to the motor 101, and accordingly, the interception plate 102 is stopped at the first opening region of the intake 14 to block it.
  • the intake controlling device of the kitchen range hood in accordance with the first embodiment of the present invention freely moves the interception plate to the first opening region, the central region and the second opening region of the intake to increase the uptake rate of the kitchen range hood and thus, completely discharge heat, contaminated air and gases to outside.
  • the front limit switch SF is fixedly installed at the left side of the intake controlling device
  • the center limit switch SC is fixedly installed at the center of the intake controlling device
  • the back limit switch SB is fixedly installed at the right side of the intake controlling device.
  • An intake controlling device capable of completely discharge heat, contaminated gases to outside by increasing the uptake rate of the kitchen range hood by automatically moving the interception plate 102 to one of the first opening region, the central region and the second opening region according to a burner used in the kitchen range, rather than depending on user's selection, in accordance with the second embodiment of the present invention will now be described in detail with reference to Figures 6 to 8.
  • Figure 6 shows a detailed construction of an intake controlling device of a kitchen range hood in accordance with a second embodiment of the present invention.
  • an intake controlling device in accordance with the second embodiment of the present invention includes: an interception plate 102 installed at a hood cover 15 and selectively blocking opening regions of an intake 14; sensors 202 and 203 for sensing a current cooking position (e.g., the front burner 21) of the kitchen range 20 and generating a sense signal; a motor driving unit 201 for generating a motor drive signal for automatically moving the interception plate 102 to a specific region (e.g., the second opening region) of the intake 14 according to the sense signal; and a motor 101 for moving the interception plate 102 to a specific region (e.g., the second opening region) of the intake 14 according to the motor drive signal in order to block the specific region (e.g., the first opening region is opened and the second opening region is blocked) of the intake 14.
  • sensors 202 and 203 for sensing a current cooking position (e.g., the front burner 21) of the kitchen range 20 and generating a sense signal
  • a motor driving unit 201 for generating a motor
  • Sensing of the current cooking position of the kitchen range 20 can be implemented in various manners.
  • the first temperature sensor 202 is installed corresponding to an upper portion of the front burner 21 of the kitchen range 20, senses a temperature of the front burner 21, and outputs a first temperatures sense signal
  • the second temperature sensor 203 is installed corresponding to an upper position of the back burner 22 of the kitchen range 20, senses a temperature of the back burner 22 and outputs a second temperature sense signal.
  • an infrared sensor for sensing heat and steam generated from the kitchen range 20 is used as the first and second temperature sensors 202 and 203.
  • the motor driving unit 201 When the motor driving unit 201 receives the first temperature sense signal, it moves the interception plate 102 to the second opening region. When the motor driving unit 201 receives the second temperature sense signal, it moves the interception plate 102 to the first opening region. When the motor driving unit 201 receives both first and second temperature sense signals, it moves the interception plate 102 to the central opening region.
  • a controller for logically operating the first temperature sense signal, the second temperature sense signal, a switching signal of the front limit switch and a switching signal of the back limit switch and controlling the interception plate 102 can be added to the motor driving unit 201.
  • the construction of the controller for logically operating the first temperature sense signal (IF), the second temperature sense signal (IB), a switching signal of the front limit switch (a first interception sense signal (SF1)) and a switching signal of the back limit switch (a second interception sense signal (SB1)) and controlling the interception plate 102 will be described in detail with reference to Figure 7.
  • Figure 7 is a circuit diagram of a controller of the intake controlling device in accordance with the second embodiment of the present invention.
  • the controller includes: a first inverter IN1 for inverting the first interception sense signal (SF1); a first AND gate (AN1) for ANDing an output signal of the first inverter (IN1) and the second temperature sense signal (IB) of the second temperature sensor 203; a second inverter IN2 for inverting the second interception sense signal (SB1); a second AND gate (AN2) for ANDing an output signal of the second inverter IN2 and the first temperature sense signal (IF) of the first temperature sensor 202; a third inverter for inverting the second temperature sense signal (IB); a fourth inverter IN4 for inverting the first temperature sense signal (IF); a third AND gate (AN3) for ANDing an output signal of the third inverter IN3 and the first temperature sense signal (IF); a fourth AND gate (AN4) for ANDing an output signal of the fourth inverter (IN4) and the second temperature sense signal (IB); a first OR gate (OR1) for ORing an output signal of the third AND gate (AN1)
  • Figure 8 is a truth table indicating an output value of the controller of the intake controlling device in accordance with the second embodiment of the present invention.
  • the first temperature sensor 202 senses heat or steam generated during cooking and outputs a first temperature sense signal as '1'.
  • the second temperature sensor 203 installed at an upper side of the back burner 22 of the kitchen range 20 does not sense heat and outputs a second temperature sense signal as '0'.
  • the front limit switch (SF) outputs a first interception sense signal as '1', and if the interception plate 102 is not sensed, the front limit switch (SF) outputs the second interception sense signal as '0'.
  • the controller receives the first and second temperature sense signals IF and IB and the first and second interception sense signals SF1 and SB1, logically operates them, and outputs a motor drive signal to the motor 1.
  • the first inverter IN1 inverts the first interception signal SF1 to output an output signal '1'
  • the first AND gate AN1 ANDs the first interception sense signal SF1 outputted from the first inverter IN1 and the temperature sense signal IB and outputs an output signal '0'.
  • the second inverter IN2 inverts the second interception sense signal SB1 to output an output signal '1' and the second AND gate AN2 ANDs the second interception sense signal SB1 outputted from the second inverter IN2 and the first temperature sense signal IF and outputs an output signal '1'.
  • the third AND gate AN3 ANDs the second temperature sense signal '1' inputted after being inverted in the third inverter IN3 and the first temperature sense signal '1', and outputs an output signal '1'.
  • the forth AND gate AN4 ANDs the first temperature sense signal '0' inputted after being inverted in the fourth inverter IN4 and the second temperature sense signal '0', and outputs an output signal '0'.
  • the first OR gate OR1 ORs output signals of the third AND gate AN3 and the fourth AND gate AN4 and outputs an output signal '1'.
  • the second OR gate OR2 ORs output signals of the first AND gate AN1 and the second AND gate AN2, and outputs an output signal '1'.
  • the fifth AND gate AN5 ANDs output signals of the first and second OR gates OR1 and OR2, and outputs an output signal '1' to the motor control switch MS. Then, the motor control signal MS applies power to the motor 101 according to the output signal '1' of the fifth AND gate AN5.
  • the second AND gate AN2 When the interception plate 102 is sensed by the back limit switch (SB) and the second interception sense signal '1' is outputted, the second AND gate AN2 outputs an output signal '0'.
  • the second OR gate OR2 ORs the output signal '0' outputted from the first AND gate AN1 and the output signal '0' outputted from the second AND gate AN2, and outputs an output signal '0'.
  • the fifth AND gate AN5 outputs the output signal '0' to the motor control switch MS. Accordingly, the motor control switch MS cuts off power supply to the motor 101 according to the output signal '0' of the fifth AND gate AN5.
  • the controller When the controller receives the first temperature sense signal '1' and the second temperature sense signal '1', it stops the motor 101 at the central region of the intake 14 in order to open both the first and second opening regions.
  • the interception plate 102 of the intake controlling device is initially positioned at the central region.
  • the intake controlling device of the kitchen range hood of the present invention has many advantages.
  • the opening regions of the intake of the kitchen range hood are selectively opened and blocked according to a position where a smell and steam is generated during a cooking process, to thereby increase the uptake rate. Accordingly, performance of discharging heat and contaminated air of the kitchen range hood can be maximized, and thus, an indoor environment can be maintained to be agreeable.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
EP05290736A 2004-12-09 2005-04-04 Dispositif de commande d'entrée d'air pour hotte de cuisine Expired - Fee Related EP1669679B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040103642A KR100690655B1 (ko) 2004-12-09 2004-12-09 레인지용 후드의 흡입구 차단판 구동장치

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EP1669679A1 true EP1669679A1 (fr) 2006-06-14
EP1669679B1 EP1669679B1 (fr) 2011-08-24

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EP (1) EP1669679B1 (fr)
KR (1) KR100690655B1 (fr)
CN (1) CN100478619C (fr)
AU (1) AU2005201368B2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2002405C2 (nl) * 2009-01-09 2010-07-13 Bos Exclusieve Fornuizen B V Afzuiginstallatie en werkwijze voor het variëren van een fluïdumstroom over het oppervlak van de inlaat.
CN106996586A (zh) * 2017-05-18 2017-08-01 浙江帅康电气股份有限公司 新风联动控制器及使用该联动控制器的吸油烟机

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Publication number Priority date Publication date Assignee Title
CN102366754A (zh) * 2011-09-27 2012-03-07 徐德胜 悬挂式吸尘罩
CN106765410A (zh) * 2017-01-01 2017-05-31 湖北中瑞天恒节能科技发展有限公司 一种节能抽油烟灶系统
CN106765409A (zh) * 2017-01-01 2017-05-31 湖北中瑞天恒节能科技发展有限公司 一种节能灶油烟抽除方法
CN107166463B (zh) * 2017-06-27 2019-08-02 苏州克莱尔环保科技有限公司 一种智能油烟机及其工作方法
CN114165821A (zh) * 2021-12-07 2022-03-11 佛山市顺德区美的电子科技有限公司 抽油烟机及其控制方法、装置和存储介质

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JPH01210742A (ja) * 1988-02-17 1989-08-24 Matsushita Seiko Co Ltd 調理用排気装置
DE8805325U1 (de) * 1988-04-21 1988-07-07 Bürcher-Siegrist, Rosmarie, 8029 Sauerlach Dunstabzugshaube
EP1384952A2 (fr) * 2002-07-26 2004-01-28 Samsung Electronics Co., Ltd. Appareil à guider de fumée d'un à four à microondes
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2002405C2 (nl) * 2009-01-09 2010-07-13 Bos Exclusieve Fornuizen B V Afzuiginstallatie en werkwijze voor het variëren van een fluïdumstroom over het oppervlak van de inlaat.
CN106996586A (zh) * 2017-05-18 2017-08-01 浙江帅康电气股份有限公司 新风联动控制器及使用该联动控制器的吸油烟机
CN106996586B (zh) * 2017-05-18 2023-07-28 浙江帅康电气股份有限公司 新风联动控制器及使用该联动控制器的吸油烟机

Also Published As

Publication number Publication date
CN1786588A (zh) 2006-06-14
AU2005201368B2 (en) 2007-03-15
CN100478619C (zh) 2009-04-15
KR100690655B1 (ko) 2007-03-09
EP1669679B1 (fr) 2011-08-24
KR20060064952A (ko) 2006-06-14
AU2005201368A1 (en) 2006-06-29

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