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Control method of refrigerator temperature

A control method and refrigerator temperature technology, which is applied to household refrigeration devices, lighting and heating equipment, household appliances, etc., can solve the problems of high accuracy range of sensor measurement temperature, large temperature changes of evaporator plates in refrigerators, unfavorable sensor selection, etc. Achieve the effect of avoiding freezing, strong adaptability and long storage time

Inactive Publication Date: 2004-11-24
HENAN XINFEI ELECTRICAL EQUIP
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AI Technical Summary

Problems solved by technology

The temperature of the evaporating plate in the refrigerator room changes rapidly and rapidly, and the temperature of the refrigerator room cannot be well controlled. The storage time of the food in the refrigerator room is often shortened due to the storage temperature being too high or too low
In addition, this method is generally used to control refrigerators, which requires high accuracy in the range of sensor temperature measurement (accuracy must be ensured at -20-4°C), which is not conducive to the selection of sensors.

Method used

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  • Control method of refrigerator temperature
  • Control method of refrigerator temperature
  • Control method of refrigerator temperature

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Embodiment Construction

[0015] The present invention is achieved like this, comprises the following steps:

[0016] a. Divide the working state of the refrigerating room into 7 on-off temperature ranges, each on-off temperature range corresponds to a working gear;

[0017] b. Sampling the ambient temperature in the refrigerator, and sending the sampled temperature to the main control chip of the refrigerator;

[0018] c. The main control chip of the refrigerator controls the on-off control of the current compressor and solenoid valve according to the start-stop temperature corresponding to the actual set gear by reading the sampling temperature;

[0019] d. If the control gear is changed, the main control chip changes the corresponding start-stop temperature.

[0020] At the same time, the current ambient temperature of the external environment is sampled to determine a ΔT, ΔT=current ambient temperature-base temperature (25°C), and an adjustment value ΔT×a is synchronously added to the start-stop t...

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Abstract

The refrigerator temperature control method includes following steps: dividing the work state of cold storage chamber into three temperature ranges for the compressor to start and stop, with each temperature range corresponding to one work setting; sampling the cold storage chamber temperature and transmitting the temperature to main control chip of refrigerator; and for the main control chip to control the compressor and the solenoid valve based on the sampled temperature and temperature setting. Utilizing the cold storage chamber temperature in the control of refrigerator can raise the refrigerator control effect and facilitate the selection of temperature sensor.

Description

technical field [0001] The invention belongs to the field of home appliance control, and in particular relates to a method for automatically controlling the startup temperature or shutdown temperature of a compressor of a refrigerator. Background technique [0002] At present, the method for controlling the temperature of the refrigerator is realized by detecting the temperature on the evaporating plate of the refrigerator's refrigerating chamber: the working state of the refrigerating chamber is divided into several on-off temperature ranges, and each on-off temperature range corresponds to a working gear; The temperature on the evaporator plate of the refrigerator is sampled, and the sampled temperature is sent to the main control chip of the refrigerator; the main control chip of the refrigerator reads the sampling temperature, and performs a temperature check on the current compressor and solenoid valve according to the start-stop temperature corresponding to the actual s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D29/00
Inventor 周泽张献峰肖志勇张广宇陈朝学李恒国
Owner HENAN XINFEI ELECTRICAL EQUIP
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