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Temperature control method and heating cooking device

A temperature control method and cooking device technology, applied in electric heating fuel, lighting and heating equipment, household heating, etc., can solve the problems of high relay cost, high cost, difficult to determine, etc., and achieve the effect of easy calculation method

Active Publication Date: 2018-01-09
GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this temperature control scheme has the following disadvantages: (1) PID parameters (differential coefficients, integral coefficients, proportional coefficients) are difficult to determine; (2) thyristors are more costly than relays; (3) due to the need to use The heat sink is silicon controlled rectifier heat dissipation, and its cost is further increased

Method used

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  • Temperature control method and heating cooking device
  • Temperature control method and heating cooking device
  • Temperature control method and heating cooking device

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Embodiment Construction

[0031] The specific implementation manners of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation manners described here are only used to illustrate and explain the embodiments of the present invention, and are not intended to limit the embodiments of the present invention.

[0032] figure 1 A schematic flowchart of a temperature control method in an embodiment is shown. Such as figure 1 As shown, the embodiment of the present invention provides a temperature control method for heating and cooking devices, such as microwave ovens, ovens, etc., the method is believed for the controller of the heating and cooking devices, specifically, the Said method may include the following steps:

[0033] Step S110, receiving the current temperature in the cavity of the heating and cooking device.

[0034] During the heating process of the heating and cooking dev...

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Abstract

The embodiment of the invention provides a temperature control method and a heating cooking device, and belongs to the field of temperature control. The method comprises the steps that the current temperature in a cavity of the heating cooking device is received; the turn-on time of a heating module of the heating cooking device in the next time cycle is calculated according to the current temperature and the target temperature that the interior of the cavity of the heating cooking device needs to maintain; and on-off of the heating module in the next time cycle is controlled according to theturn-on time, wherein the heating module heats the interior of the cavity on the condition that the heating module is turned on. Precise temperature control can be achieved through an easy calculationmethod. In addition, improvement of the control mode can be achieved by updating a software algorithm without changing existing hardware facilities of the heating cooking device and increasing extrahardware cost.

Description

technical field [0001] The invention relates to the field of temperature control, in particular to a temperature control method and a heating and cooking device. Background technique [0002] Heating and cooking devices such as microwave ovens and electric ovens usually need to control the temperature in the cavity within a certain temperature range during the stable heating stage. A temperature control system is usually used to achieve temperature control. A basic temperature control system includes a heating module (for example, a heat pipe), a temperature acquisition module (for example, a temperature sensor), a controllable switch module (for example, a relay) and a controller. [0003] In order to maintain the temperature in the cavity of the thermal cooking device, in the prior art, the most commonly used temperature control algorithm is based on the temperature point. In the stable heating stage, the upper limit value and the lower limit value of the temperature float...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C7/08A47J37/06
Inventor 张潇王雪峰唐彬
Owner GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD
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