Compressor frequency control method and device, and air conditioner
A technology of compressor frequency and control method, which is applied in heating and ventilation control systems, heating methods, mechanical equipment, etc., and can solve problems such as air conditioner shutdown and impact on compressor life.
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no. 1 example
[0059] The embodiment of the present invention provides an air conditioner 1, which is used to realize the soft start of the compressor 4 while adjusting the indoor temperature. see figure 1 , is a functional block diagram of the air conditioner 1 provided by the embodiment of the present invention. The air conditioner 1 includes: a controller 2 , a memory 3 , a compressor 4 and a compressor frequency control device 5 . Wherein, the controller 2 is electrically connected to the memory 3 and the compressor 4, and at least one of the compressor frequency control methods may be stored in the memory 3 in the form of software or firmware.
[0060] Among them, the memory 3 can be used to store software programs and units, such as the program instructions / units corresponding to the compressor frequency control device 5 and the method in the embodiment of the present invention, the controller 2 controls the frequency of the compressor stored in the memory 3 by running The software p...
no. 2 example
[0064] The embodiment of the present invention provides a compressor frequency control method, which is applied to the air conditioner 1 provided in the first embodiment, and is used to realize the soft start of the compressor 4, so as to prevent the compressor 4 from continuously operating at a high frequency since the start of the compressor. The influence caused by the service life of machine 4. see figure 2 , is a flowchart of a compressor frequency control method provided by an embodiment of the present invention. The compressor frequency control method includes:
[0065] Step S201: Obtain the running time of the compressor 4 .
[0066] When the controller 2 receives the start command, it starts counting, and controls the compressor 4 to run at the preset first operating frequency at the first preset time after receiving the start command, and the second time after receiving the start command. The preset time controls the compressor 4 to run according to the preset se...
no. 3 example
[0105] see Figure 4 , Figure 4 A functional block diagram of a compressor frequency control device 5 provided for a preferred embodiment of the present invention. It should be noted that the compressor frequency control device 5 provided in this embodiment is applied to the air conditioner 1 provided in the first embodiment, and its basic principles and technical effects are the same as those of the above-mentioned embodiments. For the parts not mentioned in the example part, reference may be made to the corresponding content in the above-mentioned embodiments. The compressor frequency control device 5 includes: an operation parameter acquisition unit 6 , a judging unit 7 , a frequency range determination unit 8 , a calculation unit 9 , an operation frequency adjustment unit 10 and an external fan speed adjustment unit 11 .
[0106] Wherein, the operation parameter acquiring unit 6 is used to acquire the running time of the compressor 4 .
[0107] It can be understood tha...
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