Method and system for automatically detecting mounting positions of coil temperature sensors of fan coils
A fan coil, automatic detection technology, applied in heating and ventilation safety systems, heating and ventilation control systems, heating methods, etc., can solve problems such as failure, dismantling of machines, installation errors of pipe temperature sensors, etc., and achieve reliable detection results , the effect of simple judgment process
Active Publication Date: 2015-12-02
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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Problems solved by technology
[0004] The invention provides a method and system for automatically detecting the installation position of the fan coil tube temperature sensor to solve the technical problem that the installation error or failure of the tube temperature sensor in the workshop and after-sales maintenance needs to be disassembled
Method used
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Embodiment Construction
[0054] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0055] For the control flow chart of Embodiment 1 of the detection method of the present invention, see figure 1 , a method for automatically detecting the installation position of a fan coil unit temperature sensor, comprising the following steps: judging whether a long press 5S signal is input, if so, performing step S11; otherwise, not running the automatic detection program.
[0056] Step S10, judging whether there is a long press 5S signal input, if yes, execute step S11; otherwise, do not run the automatic detection program.
[0057] Step S11 , detecting the temperature A1 of the first fan coil tube temperature sensor T2A and the temperature B1 of the second fan coil tube temperature sensor T2B.
[0058] Step S12, continuously inject cold water into the first fan coil unit, after the water passing time t1, detect the temperatures A2 and B2 of T2A...
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The invention relates to a method and a system for automatically detecting mounting positions of coil temperature sensors of a fan coil. The method comprises the following steps: the temperature A1 of a first coil temperature sensor T2A and the temperature B1 of a second coil temperature sensor T2B are detected; cold water and hot water are separately injected into a first coil and a second coil; after the water is injected for a time period of t1, the temperature A2 and B2 as well as the temperature A3 and B3 of the T2A and the T2B are detected; the properties and fault situation of the coil temperature sensors T2A and T2B are determined according to contrast relations between delta A1 and delta B1 as well as between delta A2 and delta B2; whether the property determination results of the T2A and T2B under the two conditions are the same is determined, and if yes, the detection is finished. The properties of the two coil temperature sensors under the cold water injection condition and the hot water injection condition are determined by injecting the cold water and the hot water; then the determination results under the two conditions are judged to be consistent or not, so that whether the two coil temperature sensors are mounted correctly is determined; the whole determination process is simple and can be finished automatically by the system; and the detection result is reliable.
Description
technical field [0001] The invention relates to the field of fan coil manufacturing, in particular to a method and system for automatically detecting the installation position of a fan coil tube temperature sensor. Background technique [0002] At present, our fan coil refrigeration and heating pipe temperature sensors usually use the same type of pipe temperature sensor. It is easy to install the two sensors in the wrong position during production in the workshop, or they are not installed in place, resulting in the detection required by the system control. The tube temperature is inaccurate or wrong, so that the corresponding cold and hot water valves are not opened during cooling or heating, and the cooling or heating effect is not achieved. [0003] Regardless of whether it is workshop production or after-sales on-site investigation of such problems, it is necessary to disassemble the machine to detect the installation of the tube temperature sensor and check the circuit...
Claims
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IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/62F24F11/63F24F2110/10
Inventor 孙欢
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD