[go: up one dir, main page]

WO2007033530A1 - Procede de commande de temperature d'une carafe electrique chauffante - Google Patents

Procede de commande de temperature d'une carafe electrique chauffante Download PDF

Info

Publication number
WO2007033530A1
WO2007033530A1 PCT/CN2005/001578 CN2005001578W WO2007033530A1 WO 2007033530 A1 WO2007033530 A1 WO 2007033530A1 CN 2005001578 W CN2005001578 W CN 2005001578W WO 2007033530 A1 WO2007033530 A1 WO 2007033530A1
Authority
WO
WIPO (PCT)
Prior art keywords
water temperature
heating time
value
microprocessor
heating
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/CN2005/001578
Other languages
English (en)
Chinese (zh)
Inventor
George Zhang
Yaolun Wang
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.)
Crastal Technology Shenzhen Co Ltd
Original Assignee
Crastal Technology Shenzhen Co 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 Crastal Technology Shenzhen Co Ltd filed Critical Crastal Technology Shenzhen Co Ltd
Priority to PCT/CN2005/001578 priority Critical patent/WO2007033530A1/fr
Publication of WO2007033530A1 publication Critical patent/WO2007033530A1/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
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
    • 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
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21158—Devices to detect overheating or boiling with a single control element or unit

Definitions

  • the invention relates to a control method of an electric kettle, in particular to an electric kettle heat preservation control method.
  • the electric kettle brings convenience to people's life and work.
  • the temperature will decrease, affecting the drinking effect.
  • the prior art electric kettle insulation control is temperature.
  • the sensor measures the water temperature. When the water temperature in the electric kettle is low, the control circuit turns on the heating power source, and heats the water in the electric kettle. When the water temperature rises, the heating power source is turned off.
  • the shortcomings of this method are: The temperature control process is not accurate, and the other method is to use PTC heating element and low power heating when it is in the state of heat preservation. This method also has the insufficiency of temperature control. At the office.
  • the object of the present invention is to provide a method for controlling the heat preservation of an electric kettle.
  • the technical problem to be solved is to accurately determine the water temperature and temperature change rate in the electric kettle, and adjust the heating time to: simulate the heating power.
  • the electric kettle insulation control method comprises the following steps: 1. setting a temperature sensor, a microprocessor and a control circuit in the electric kettle; 2. the temperature sensor detects the temperature of the water in the electric kettle in real time, And transmitting the detection signal to the microprocessor; 3. When the water temperature is lower than the set lower limit, the microprocessor sends the control circuit
  • the heating signal is output; 4.
  • the processor sends a signal to the control circuit to stop heating.
  • the microprocessor of the present invention sends a heating signal to the control circuit
  • the actual water temperature is compared with a preset set water temperature.
  • the microprocessor sends a signal to the control circuit to stop heating; the actual water temperature is set to the set water temperature.
  • the microprocessor calculates the temperature change rate and compares it with a preset set temperature change rate.
  • the microprocessor sends a signal to stop the heating to the control circuit; calculate the temperature change rate and the set temperature change.
  • the microprocessor sends a signal to the control circuit to delay the heating.
  • the microprocessor of the present invention compares the actual water temperature with a preset minimum set water temperature, and continues to compare with the high first set water temperature until the highest set water temperature; the actual water temperature is compared with the current set water temperature. When it is less than, the micro-processing calculates the rate of temperature change at this time.
  • the microprocessor of the present invention calculates and stores the temperature change rate and stores it with the adjustment amount set value of the current file, and then compares the stored value with the highest adjustment comparison value, and compares with the lower first adjustment value when compared with the lower one. , until the lowest adjustment comparison value; when the stored value is compared with the adjustment comparison value is greater than, the preset heating time matched with the current adjustment comparison value in one cycle is obtained.
  • the set water temperature of the present invention is divided into five sets, the adjustment amount set value is divided into four sets, the adjustment comparison value is divided into six sets, and the preset heating time is divided into seven sets.
  • the set water temperature grade of the invention is gradually increased from one to five, and the adjustment quantity set value grade is gradually increased from one to four, and the adjusted comparison value grade is gradually increased from one to six, and the heating time grade is gradually increased from zero to six.
  • the microprocessor calculates the temperature change rate and the first adjustment amount at this time.
  • the microprocessor calculates the temperature change rate at this time and adds it to the second adjustment amount set value, and the actual water temperature and the first
  • the microprocessor calculates the temperature change rate at this time and adds and stores the third adjustment amount set value.
  • the microprocessor calculates this.
  • the temperature change rate is added to the fourth adjustment amount set value and stored; when the stored value is greater than the sixth adjustment comparison value, the heating time is zero, and when the stored value is compared with the fifth adjusted comparison value, the heating is performed.
  • the time is the first preset heating time, when the stored value is compared with the fourth adjusted comparison value is greater than, the heating time is the second preset heating time, and the stored value is compared with the third adjusted comparison value.
  • the heating time is the third preset heating time, and when the stored value is compared with the second adjusted comparison value, the heating time is the fourth preset heating time, and when the stored value is compared with the first adjusted comparison value,
  • the heating time is the fifth preset heating time, and when the stored value is less than the first adjusted comparison value, the heating time is the sixth preset heating time.
  • the control circuit of the present invention turns the heating power on or off when receiving a signal from the microprocessor.
  • the microprocessor of the present invention sets the longest heating time in the cycle, and when the heating time is greater than or equal to the longest heating time, sends a signal to stop the heating to the control circuit; when the heating time is less than the longest heating time, the microprocessor determines the cycle. Whether the counting is full for one cycle, when the full cycle is reached, the temperature change rate is calculated, and the current water temperature is stored, and the current water temperature is compared with the first set water temperature after the heating time is cleared.
  • the heating time in the current cycle of the present invention is less than the longest heating time in the cycle, the current water temperature is compared with the heat setting water temperature, and when the temperature is greater than the time, the signal for stopping the heating is sent to the control circuit; the current water temperature is compared with the heat setting water temperature.
  • the cycle heating time is continuously compared with the longest heating time.
  • the present invention compares the actual water temperature with the set water temperature by using a microprocessor, and then calculates the temperature change rate according to the actual water temperature and temperature change rate, determines the heat preservation heating time of the electric kettle heating power source, and achieves accurate Controlling the heating time saves energy and improves the control level of the electric kettle.
  • FIG. 1 is a block diagram of an embodiment of a method for controlling insulation of an electric kettle according to the present invention.
  • Figure 2-1 is a flow chart of an embodiment of the method for controlling the insulation of the electric kettle of the present invention.
  • Figure 2-2 is a continuation of Figure 2-1.
  • the electric kettle insulation control method of the present invention is as shown in FIG. The method includes the following steps: 1. setting a temperature sensor, a microprocessor and a control circuit in the electric kettle; 2. detecting the temperature of the water in the electric kettle in real time, and transmitting the detection signal to the microprocessor; 3.
  • the microprocessor when the water temperature is low At the set lower limit value, the microprocessor sends a heating signal to the control circuit, and when the control circuit receives the signal from the microprocessor, turns on the heating power source; 4.
  • the control circuit receives the microprocessor When the signal is turned off, turn off the heating power.
  • the microprocessor first determines whether it has entered the heating phase. If not, it determines whether the water temperature is greater than the predetermined value. If it is less, it sends a heating signal to the control circuit to turn on the power supply.
  • the microprocessor compares the actual water temperature with the set water temperature set by the pre-fraction. First, compare the actual water temperature with the preset minimum set water temperature. When it is greater than, continue to compare with the high first set water temperature until When the maximum set water temperature is still greater than, the microprocessor sends a signal to stop the heating to the control circuit.
  • the set water temperature is divided into five sets, and the value is gradually increased from one to five.
  • the microprocessor calculates the temperature change rate at this time and adds it to the adjustment value set value of the current file, and stores the adjustment amount set value in four steps, the value is gradually increased from one to four, and then the stored value is The highest adjustment comparison value is compared.
  • the heating time is set in the period corresponding to the current gear adjustment comparison value, and the heating time is set in seven steps. The time is gradually increased from zero to seven.
  • the microprocessor calculates the temperature change rate and the first adjustment amount at this time. The fixed values are added and stored.
  • the microprocessor calculates the temperature change rate at this time and adds and stores the second adjustment amount set value, the actual water temperature and the fourth setting.
  • the microprocessor calculates the temperature change rate at this time and adds it to the third adjustment amount set value, and stores the actual water temperature and the first 5.
  • the microprocessor calculates the temperature change rate at this time and adds and stores the fourth adjustment amount set value; when the stored value is greater than the sixth adjustment comparison value line, the heating time is zero.
  • the stored value and the fifth adjusted comparison value are I: ⁇ is larger than, the preset heating time is the first preset heating time, and when the stored value is compared with the fourth adjusted comparison value, the preset heating time is the second preset.
  • the preset heating time is the third preset heating time, and when the stored value is compared with the second adjustment comparison value, the preset heating time is the fourth preset.
  • the preset heating time is the fifth preset heating time
  • the preset heating time is the sixth preset. heating time.
  • the purpose of setting the water temperature in the binning is to set the different adjustment amount in the temperature of different gears.
  • the higher the temperature the larger the setting value is.
  • the larger the memory value is, the shorter the preset heating time is.
  • the relationship between the preset heating time and the temperature is negatively correlated, which is convenient for comparison with the same set of adjustment comparison values.
  • the actual water temperature can also be compared with the set water temperature.
  • the microprocessor calculates the temperature change rate and compares it with a preset set temperature change rate.
  • it is greater than the microprocessor sends a stop heating to the control circuit.
  • the signal when the calculated temperature change rate is less than the set temperature change rate, the microprocessor sends a signal to the control circuit to delay the heating.
  • the microprocessor When the heating time is greater than or equal to the preset heating time, the microprocessor sends a signal to stop the heating to the control circuit; when the heating time is less than the preset heating time, the microprocessor determines whether the cycle count is full for one cycle, when the full cycle is reached, Calculate the temperature change rate, and store the current water temperature. After the heating time is cleared, the current water temperature is compared with the first set water temperature. When the cycle time does not reach the full cycle, the current water temperature and the fifth setting are set. When the water temperature is compared, the signal for stopping the heating is sent to the control circuit when the current temperature is greater than when the current water temperature is less than the fifth set water temperature, and the heating time in the cycle is compared with the preset heating time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

L'invention concerne un procédé de commande de la température d'une carafe électrique chauffante comprenant les étapes consistant à: fournir un capteur de température, un microprocesseur et un circuit de commande dans la carafe électrique chauffante, détecter la température de la carafe électrique chauffante grâce au capteur de température et transmettre le signal détecté au microprocesseur. Lorsque la température est inférieure à un seuil prédéterminé, un signal de début de chauffage est envoyé par le microprocesseur au circuit de commande, et lorsque la température supérieure ou égale à un seuil prédéterminé, un signal d'arrêt de chauffage est envoyé par le microprocesseur au circuit de commande. Le microprocesseur peut comparer la température réelle au seuil prédéterminé et calculer la vitesse de modification de la température. En fonction de la température réelle et de la vitesse de modification de la température, le microprocesseur peut ainsi déterminer la durée de chauffage pour l'alimentation de la carafe électrique chauffante et achever précisément la commande du temps de chauffage.
PCT/CN2005/001578 2005-09-26 2005-09-26 Procede de commande de temperature d'une carafe electrique chauffante Ceased WO2007033530A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2005/001578 WO2007033530A1 (fr) 2005-09-26 2005-09-26 Procede de commande de temperature d'une carafe electrique chauffante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2005/001578 WO2007033530A1 (fr) 2005-09-26 2005-09-26 Procede de commande de temperature d'une carafe electrique chauffante

Publications (1)

Publication Number Publication Date
WO2007033530A1 true WO2007033530A1 (fr) 2007-03-29

Family

ID=37888526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2005/001578 Ceased WO2007033530A1 (fr) 2005-09-26 2005-09-26 Procede de commande de temperature d'une carafe electrique chauffante

Country Status (1)

Country Link
WO (1) WO2007033530A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112839394A (zh) * 2020-12-30 2021-05-25 中科芯集成电路有限公司 加热控制方法和智能家电
CN113455895A (zh) * 2020-03-31 2021-10-01 浙江绍兴苏泊尔生活电器有限公司 液体加热容器的温度控制方法及控制板、液体加热容器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996025869A1 (fr) * 1995-02-20 1996-08-29 Pifco Limited Perfectionnements d'un appareil utilise pour faire bouillir du liquide
JPH08266417A (ja) * 1995-03-30 1996-10-15 Sanyo Electric Co Ltd 電気ポット
JP2000229035A (ja) * 1999-02-10 2000-08-22 Toshiba Home Technology Corp 湯沸かし器
JP2000342455A (ja) * 1999-06-07 2000-12-12 Tiger Vacuum Bottle Co Ltd 電気ポットの温度制御装置
JP2002142988A (ja) * 2000-11-08 2002-05-21 Zojirushi Corp 家庭用加熱機器
CN1511277A (zh) * 2001-08-04 2004-07-07 在电水壶中加热水的方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996025869A1 (fr) * 1995-02-20 1996-08-29 Pifco Limited Perfectionnements d'un appareil utilise pour faire bouillir du liquide
JPH08266417A (ja) * 1995-03-30 1996-10-15 Sanyo Electric Co Ltd 電気ポット
JP2000229035A (ja) * 1999-02-10 2000-08-22 Toshiba Home Technology Corp 湯沸かし器
JP2000342455A (ja) * 1999-06-07 2000-12-12 Tiger Vacuum Bottle Co Ltd 電気ポットの温度制御装置
JP2002142988A (ja) * 2000-11-08 2002-05-21 Zojirushi Corp 家庭用加熱機器
CN1511277A (zh) * 2001-08-04 2004-07-07 在电水壶中加热水的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113455895A (zh) * 2020-03-31 2021-10-01 浙江绍兴苏泊尔生活电器有限公司 液体加热容器的温度控制方法及控制板、液体加热容器
CN112839394A (zh) * 2020-12-30 2021-05-25 中科芯集成电路有限公司 加热控制方法和智能家电
CN112839394B (zh) * 2020-12-30 2023-03-28 中科芯集成电路有限公司 加热控制方法和智能家电

Similar Documents

Publication Publication Date Title
CN104236109B (zh) 恒温燃气热水器的控制方法及控制装置
CN105222214B (zh) 太阳能集热器和空气源热泵联合供热水系统及控制方法
CN101513325B (zh) 电炊具及其加热控制方法
CN202547102U (zh) 双模式智能型浴室恒温混水装置
RU2013102051A (ru) Быстрый разогрев устройства тепловой обработки, например, для кофемашины
CN100370376C (zh) 电热水壶水沸腾的判断方法
CN104713241A (zh) 热水器及其控制方法、控制装置
CN203561073U (zh) 热水器出水装置
CN110779239A (zh) 一种基于预测模型的太阳能-空气源热泵控制系统及节能控制方法
CN111637497A (zh) 一种燃气灶火力调节方法以及调节系统
WO2007036066A1 (fr) Procede de commande d'une bouilloire electrique chauffante
CN103948310A (zh) 基于pid算法的即热式水壶控制电路及控制方法
CN102278525A (zh) 智能速热水龙头
CN100370378C (zh) 电热水壶的控制方法
CN104898738A (zh) 一种电子坐便器的恒温加热控制方法
CN105571140A (zh) 带模式预约的热水器的预约加热方法
CN108415482B (zh) 一种基于咖啡机控温自学习算法的控温方法、系统及装置
CN106907846B (zh) 一种热水器及其温度控制方法
WO2007033530A1 (fr) Procede de commande de temperature d'une carafe electrique chauffante
CN1743979A (zh) 电热水壶保温控制方法
CN108253632B (zh) 一种热水器预约控制方法及太阳能热泵热水器
CN102743123B (zh) 一种淋浴器及其控制方法
CN106403196B (zh) 空调除湿控制方法及控制装置
CN201269638Y (zh) 一种即热式电水壶控制器
WO2007028282A1 (fr) Procede de determination de l'ebullition de l'eau dans des bouilloires electriques

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 05791850

Country of ref document: EP

Kind code of ref document: A1