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31results about How to "Lower target temperature" patented technology

Refrigerator

The invention discloses a refrigerator which comprises a refrigerating chamber and a preservation chamber with a cooling air duct, wherein the cooling air duct comprises an air inlet duct and an air return duct; the air inlet duct is provided with an air mixing duct; an air inlet of the air mixing duct is communicated with a first air duct of which the cold air temperature is lower than the target temperature of the preservation chamber, and is also communicated with a second air duct of which the cold air temperature is higher than that of the first air duct; an air outlet of the air mixing duct is communicated with an air inlet of the preservation chamber; the air return duct of the cooling air duct is communicated with an air return inlet of the preservation chamber. According to the refrigerator, the air mixing duct is used for mixing low-temperature cold air in the first air duct and cold air in the second air duct to form mixed air of which the temperature is slightly lower than the target temperature of the preservation chamber, so that the mixed air can be prevented from being frosted in a transmission process; in addition, the volume of the formed mixed air is large, and the temperature of the mixed air is close to the target temperature of the preservation chamber, so that the temperature difference of the front and rear sides of the preservation chamber can further be reduced, and the temperature uniformity of the preservation chamber can be ensured.
Owner:SUZHOU SAMSUNG ELECTRONICS CO LTD +1

Rapid stabilization method for scale factors of optical fiber gyroscope

The invention discloses a rapid stabilization method for scale factors of an optical fiber gyroscope. The method comprises the following steps: equally dividing a light source working temperature range into sections; selecting an arithmetic mean temperature point of each section as a characteristic temperature point of the section; storing driving current and a scale factor of each characteristic temperature point into an inner ROM (Read Only Memory) of the optical fiber gyroscope; when the optical fiber gyroscope is started, setting a target temperature according to an environment temperature and continually setting the driving current of a light source; and when the target temperature and the driving current reach pre-set values, reading the scale factor under the target temperature to enable the optical fiber gyroscope to work. The working temperature of the optical fiber gyroscope is divided into the sections; the target temperature of light source tube core temperature control is set according to the environment temperature when the optical fiber gyroscope is started and the distance between the target temperature of the light source tube core temperature control and the environment temperature is greatly reduced; the temperature of a light source tube core is stabilized in short time; and meanwhile, the driving current is applied to the light source so that the optical fiber gyroscope can rapidly enter a stable working state and the starting time of the optical fiber gyroscope under high-temperature and low-temperature conditions is greatly shortened.
Owner:ZHEJIANG UNIV

Control method of multi-connected air conditioner

The invention relates to the technical field of air conditioning, and specifically provides a control method for a multi-connected air conditioner, aiming at controlling the indoor unit in a warm-up room to switch from a warm-up mode to a normal heating mode at a reasonable and accurate timing. The control method first turns on or off the fan of the indoor unit reaching the greenhouse alternately with a preset stop-on cycle to speed up the cooling speed of the indoor unit reaching the greenhouse, and then according to the comparison result between the indoor ambient temperature value and the target temperature value, Choose to switch the indoor unit directly from the warming mode to the normal heating mode, or increase the start-up time of the fan of the indoor unit and keep the downtime of the fan of the indoor unit unchanged to reduce the temperature of the indoor unit. The ambient temperature around the air conditioner is used to weaken the interference of the heat radiation of the indoor heat exchanger on the detection value of the indoor ambient temperature sensor, so that the air conditioner can control the indoor unit to switch from the high temperature mode to normal heating at a reasonable and accurate time mode to ensure that the actual indoor ambient temperature is always within the target temperature range.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

a refrigerator

The invention discloses a refrigerator which comprises a refrigerating chamber and a preservation chamber with a cooling air duct, wherein the cooling air duct comprises an air inlet duct and an air return duct; the air inlet duct is provided with an air mixing duct; an air inlet of the air mixing duct is communicated with a first air duct of which the cold air temperature is lower than the target temperature of the preservation chamber, and is also communicated with a second air duct of which the cold air temperature is higher than that of the first air duct; an air outlet of the air mixing duct is communicated with an air inlet of the preservation chamber; the air return duct of the cooling air duct is communicated with an air return inlet of the preservation chamber. According to the refrigerator, the air mixing duct is used for mixing low-temperature cold air in the first air duct and cold air in the second air duct to form mixed air of which the temperature is slightly lower than the target temperature of the preservation chamber, so that the mixed air can be prevented from being frosted in a transmission process; in addition, the volume of the formed mixed air is large, and the temperature of the mixed air is close to the target temperature of the preservation chamber, so that the temperature difference of the front and rear sides of the preservation chamber can further be reduced, and the temperature uniformity of the preservation chamber can be ensured.
Owner:SUZHOU SAMSUNG ELECTRONICS CO LTD +1

A Fast Stabilization Method of Fiber Optic Gyroscope Scale Factor

The invention discloses a rapid stabilization method for scale factors of an optical fiber gyroscope. The method comprises the following steps: equally dividing a light source working temperature range into sections; selecting an arithmetic mean temperature point of each section as a characteristic temperature point of the section; storing driving current and a scale factor of each characteristic temperature point into an inner ROM (Read Only Memory) of the optical fiber gyroscope; when the optical fiber gyroscope is started, setting a target temperature according to an environment temperature and continually setting the driving current of a light source; and when the target temperature and the driving current reach pre-set values, reading the scale factor under the target temperature to enable the optical fiber gyroscope to work. The working temperature of the optical fiber gyroscope is divided into the sections; the target temperature of light source tube core temperature control is set according to the environment temperature when the optical fiber gyroscope is started and the distance between the target temperature of the light source tube core temperature control and the environment temperature is greatly reduced; the temperature of a light source tube core is stabilized in short time; and meanwhile, the driving current is applied to the light source so that the optical fiber gyroscope can rapidly enter a stable working state and the starting time of the optical fiber gyroscope under high-temperature and low-temperature conditions is greatly shortened.
Owner:ZHEJIANG UNIV

Control method of multi-connected air conditioner

The invention relates to the technical field of air conditioning, and specifically provides a control method for a multi-connected air conditioner, aiming at controlling the indoor unit in a warm-up room to switch from a warm-up mode to a normal heating mode at a reasonable and accurate timing. The control method first turns on or off the fan of the indoor unit reaching the greenhouse alternately with a preset stop-on cycle to speed up the cooling speed of the indoor unit reaching the greenhouse, and then according to the comparison result between the indoor ambient temperature value and the target temperature value, Choose to make the indoor unit in the greenhouse directly switch from the warming mode to the normal heating mode, or reduce the downtime of the fan of the indoor unit in the greenhouse and keep the start-up time of the fan in the indoor unit unchanged to reduce the temperature in the greenhouse. The ambient temperature around the air conditioner is used to weaken the interference of the heat radiation of the indoor heat exchanger on the detection value of the indoor ambient temperature sensor, so that the air conditioner can control the indoor unit to switch from the high temperature mode to normal heating at a reasonable and accurate time mode to ensure that the actual indoor ambient temperature is always within the target temperature range.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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