Dynamic air conditioning temperature control method
A technology of air-conditioning temperature and control method, which is applied in the direction of heating and ventilation control system, heating method, space heating and ventilation, etc. It can solve the problems of difficult heat dissipation, small wall cavity size, etc., to eliminate influence, solve temperature error, optimize The effect of temperature control ability
Inactive Publication Date: 2009-07-22
深圳市双驰科技有限公司
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Problems solved by technology
The installation structure of this central air-conditioning controller needs to make the surface of the controller flat with the wall (English expression: Flush Mount) or slightly protrude (English expression: Semi Flush Mount), and the controller is usually installed on a 60 mm*60mm*60mm wall cavity, the size of the wall cavity is small and heat dissipation is difficult, so it is more urgent to use how to compensate the temperature sampling deviation of the sensor
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[0018] Please refer to figure 1 , The invention relates to a dynamic air-conditioning temperature control method for compensating the temperature deviation of the air-conditioning controller caused by self-heating.
[0019] The definition of each variable used in this embodiment is as follows:
[0020] Ta(t) represents the ambient temperature of the controller at time t;
[0021] Ts(t) represents the temperature deviation caused by self-heating in the controller at time t;
[0022] Tc(t) represents the temperature sampled by the temperature sensor in the controller at time t, obviously Tc(t)=Ta(t)+Ts(t);
[0023] Td(t) represents the display temperature of the controller at time t, which is also the temperature on which the controller performs temperature control;
[0024] To(a) represents a fixed temperature deviation at a certain ambient temperature Ta;
[0025] R(t) represents the ratio of temperature rise / fall relative to window width at time t;
[0026] Rexp is the m...
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The invention relates to a dynamic air-conditioning temperature control method, which is used to compensate the temperature deviation caused by self-heating of the air-conditioning controller, comprising the following steps: establishing a time and temperature change curve of the controller; establishing a moving window, the window width of which is is the sampling time period, the slope of the moving window is determined according to the temperature change curve and the sampling time period; the minimum temperature change rate of the controller is measured; when the slope of the moving window is greater than the minimum temperature change rate, the controller displays that the temperature is equal to the previous The displayed temperature for a unit of time plus the current temperature rise from the previous unit of time. The dynamic air-conditioning temperature control method of the present invention separates the dynamic and static compensation of temperature, which not only optimizes the temperature control ability of the controller; but also can judge whether the self-heating process of the controller is settled at each calculation point in the dynamic compensation stage , and perform a better calibration, which eliminates the influence of the temperature deviation caused by the controller's self-heating on the displayed temperature.
Description
technical field [0001] The invention relates to a temperature control method, in particular to a dynamic air-conditioning temperature control method capable of compensating display errors and control deviations caused by self-heating. Background technique [0002] In the design of the traditional central air-conditioning temperature controller, because the temperature sensor cannot be placed at the return air outlet of the air conditioner like ordinary split air conditioners, in most cases, the temperature sensor can only be placed on the plastic part of the controller in each room. within the file. If the structural space of the central air-conditioning controller is too small, or the ventilation between the control panel inside the controller and the outside is not good enough, the temperature inside the controller will be higher than that of the place where the controller is located due to the heating of the electronic components in the controller. Ambient temperature (h...
Claims
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IPC IPC(8): F24F11/00
Inventor 李志娟刘建伟首召兵
Owner 深圳市双驰科技有限公司