Air conditioner control method and device and air conditioner
A control method and technology of a control device, which are applied to control input involving air characteristics, space heating and ventilation control input, heating and ventilation control system, etc. Abnormal and other problems, to avoid triggering overcurrent protection, avoid impact, and improve the effect of tolerance
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no. 1 example
[0038] The embodiment of the present invention provides an air conditioner 1, which is used to adjust the indoor temperature and at the same time ensure that the user has a comfortable use experience at any time. 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 memory 3 , a controller 2 , a compressor 5 , a PFC control circuit 4 and an air conditioner control device 6 . Wherein, the controller 2 is electrically connected to the memory 3 , the PFC control circuit 4 and the compressor 5 . The air conditioner control device 6 includes at least one device that can be stored in the memory 3 in the form of software or firmware.
[0039] Wherein, the memory 3 can be used to store software programs and units, such as program instructions / units corresponding to the air-conditioning control device 6 and the method in the embodiment of the present invention, and the controller 2 ...
no. 2 example
[0044] With the increase of household appliances, the load on the power grid increases, and there will be different voltage or current fluctuations when the electrical appliances start and stop, as well as the power grid itself. When the voltage or current of the power grid fluctuates, it is easy to cause the air conditioner 1 to trigger overvoltage or overcurrent Protect, stop working.
[0045] This embodiment provides an air conditioner control method, which is applied to the air conditioner 1 and used to reduce the impact of power grid fluctuations on the operation of the air conditioner 1 . The air conditioner 1 includes a PFC control circuit 4 for adjusting the power factor of the air conditioner 1 . see figure 2 The air conditioner control method provided in this embodiment includes step S10 to step S30.
[0046] Step S10: Increase the gain of the DC voltage integral controller of the PFC control circuit 4 to adjust the response speed of the bus voltage.
[0047] The...
no. 3 example
[0066] see Figure 4 , Figure 4 An air conditioner control device 6 provided in a preferred embodiment of the present invention. It should be noted that the basic principles and technical effects of the air-conditioning control device 6 provided in this embodiment are the same as those of the above-mentioned embodiments. corresponding content.
[0067] This embodiment provides an air conditioner control device 6, the air conditioner control device 6 is applied to the air conditioner 1, and is used to prevent power failure protection of the air conditioner 1 caused by power grid fluctuations, the air conditioner 1 includes a PFC control circuit 4, and the air conditioner Control device 6 comprises:
[0068] The first adjustment unit 7 is used to increase the gain of the DC voltage integral controller of the PFC control circuit 4 to adjust the response speed of the bus voltage.
[0069] The gain of the DC voltage integral controller is positively correlated with the respons...
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