Voltage regulation method and device for elevator air conditioner and elevator air conditioner
A technology for air-conditioning and elevators, applied in heating methods, space heating and ventilation, lighting and heating equipment, etc., to achieve automation, save cable costs and logistics costs, and reduce working hours
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no. 1 example
[0051] figure 1 It is a schematic flow chart of an elevator air conditioner voltage regulation method provided by the first embodiment of the present invention. This method is applicable to any elevator air conditioner that needs automatic voltage regulation, and can be executed by an elevator air conditioner voltage regulation device, wherein the device can be controlled by software and / or Or hardware implementation, and generally can be integrated in the elevator air conditioner.
[0052] The method of this embodiment specifically includes:
[0053] Step 110, detecting the input voltage of the elevator car top input power supply;
[0054] Exemplarily, for an elevator air conditioner, the initial power supply is usually connected to the elevator car roof through a very long power cord, and the above step is to detect the input power at the end of the power cord.
[0055] Step 120, voltage-regulate the input voltage to a set range value, and output to the elevator air condit...
no. 2 example
[0060] figure 2 It is a schematic flowchart of an elevator air conditioner voltage regulation method provided by the second embodiment of the present invention. This embodiment is optimized on the basis of the above embodiments. In this embodiment, before adjusting the input voltage to a set range value and outputting it to the elevator air conditioner, it also includes: judging whether the input voltage conforms to the low voltage or over-high voltage condition; if the input voltage is over-low voltage or over-high voltage, then cut off the power supply of the input power supply to the elevator air conditioner; if the input voltage is not over-low voltage or over-high voltage, then trigger execution operation of voltage regulation.
[0061] Correspondingly, the method in this embodiment specifically includes:
[0062] Step 210, detecting the input voltage of the elevator car top input power supply.
[0063] Step 220, judging whether the input voltage meets the condition o...
no. 3 example
[0072] image 3 It is a schematic flowchart of an elevator air conditioner voltage regulation method provided by the third embodiment of the present invention. This embodiment is optimized on the basis of the above embodiments. In this embodiment, before adjusting the input voltage to a set range value and outputting it to the elevator air conditioner, it also includes: judging whether the input voltage conforms to the low voltage or over-high voltage condition; if the input voltage is over-low voltage or over-high voltage, then cut off the power supply of the input power supply to the elevator air conditioner; if the input voltage is not over-low voltage or over-high voltage, then trigger execution operation of voltage regulation. Regulating the input voltage to a set range value and outputting it to the elevator air conditioner includes: identifying the voltage value of the input voltage; if the voltage value is lower than the set voltage value, increasing the input voltage...
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