An air-cooled magnetic levitation air conditioner control method and air-cooled magnetic levitation air conditioner
A control method and magnetic levitation technology, applied in heating and ventilation control systems, control inputs involving air characteristics, space heating and ventilation control inputs, etc., can solve problems such as affecting the next startup, compressor damage, etc. Good results
Active Publication Date: 2020-12-25
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
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Problems solved by technology
[0004] In order to solve the problem of easy damage to the compressor and affect the next start-up when the unit has an alarm or emergency shutdown under high-load conditions, the present invention provides a control method for air-cooled magnetic levitation air conditioners
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[0058] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0059] see Figure 5Shown is a schematic diagram of the refrigeration cycle of the air-cooled magnetic levitation air conditioner disclosed in the present invention. As shown in the figure, it is similar to the traditional magnetic levitation air-cooled unit, including frequency conversion magnetic levitation compressor 1, flooded evaporator 2, a...
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Provided is an air cooling magnetic suspension air conditioner control method. A bypass electronic expansion valve is arranged between an exhaust opening of a magnetic suspension compressor and an evaporator; when the bypass electronic expansion valve is in an operation state, whether the exhaust pressure of the magnetic suspension compressor is larger than or equal to first set exhaust pressure or the suction and exhaust absolute pressure ratio is larger than or equal to the first set pressure ratio is judged; if yes, the bypass electronic expansion valve is controlled to be opened until thefollowing conditions are met, that is, the exhaust pressure is smaller than third set exhaust pressure, and the suction and exhaust absolute pressure ratio is smaller than the first set pressure ratio, or the exhaust pressure is smaller than second set exhaust pressure and the suction and exhaust absolute pressure ratio is smaller than the second set pressure ratio, or the bypass electronic expansion valve reaches the maximum opening degree; and the valve stops being opened, and the current opening degree is maintained. According to the air cooling magnetic suspension air conditioner control method, it can be effectively ensured that the pressure ratio is maintained within a reasonable range in the unit operation process, the alarming and quick stoppage probability is reduced, and therefore a unit operates more stably.
Description
technical field [0001] The invention relates to the technical field of air conditioning equipment, in particular to an air-cooled magnetic levitation air conditioner control method and an air-cooled magnetic levitation air conditioner. Background technique [0002] The core of the air-cooled magnetic levitation air conditioner is the magnetic levitation centrifugal compressor. Specifically, the magnetic bearing and positioning sensor of the magnetic levitation centrifugal compressor use a radial bearing and an axial bearing composed of permanent magnets and electromagnets to form a numerically controlled magnetic bearing system to realize that the moving parts of the compressor are suspended on the magnetic lining without friction. Motion, positioning sensors on magnetic bearings provide ultra-high-speed real-time repositioning of the motor rotor to ensure precise positioning. [0003] During the operation of the air-cooled maglev air conditioner, if it operates under high-...
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IPC IPC(8): F24F11/64F24F11/89F25B49/02F24F110/40
CPCF24F11/00F24F11/89F24F2110/00
Inventor 贺雪飞沈太初王明久时斌陶慧汇
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD