CN-121976964-A - Fan rotating speed control method, device, equipment and storage medium

CN121976964ACN 121976964 ACN121976964 ACN 121976964ACN-121976964-A

Abstract

The embodiment of the application discloses a fan rotating speed control method, a device, equipment and a storage medium, wherein an initial fan rotating speed, a first environmental parameter, an experimental fitting parameter and a fan real-time operation time length are obtained, a compensation fan rotating speed is calculated based on the first environmental parameter, the initial fan rotating speed and the experimental fitting parameter, the rotating speed of a fan is adjusted from the initial fan rotating speed to the compensation fan rotating speed when the fan real-time operation time length is in a first preset time length stage, a second environmental parameter is obtained in real time when the fan real-time operation time length is in a second preset time length stage, a normal fan rotating speed is calculated based on the second environmental parameter, the initial fan rotating speed and the compensation fan rotating speed, the rotating speed of the fan is adjusted from the compensation fan rotating speed to the normal fan rotating speed, and the second preset time length stage is after the first preset time length stage. The high-speed air conditioning system can fully meet the requirement of a unit on high air speed in a refrigeration mode, and the accurate matching of the energy efficiency of the system is realized.

Inventors

WU WEICHAO
LU CHENGMING
CHEN HONGLIANG
WANG ZHIXIN

Assignees

广东芬尼能源技术有限公司

Dates

Publication Date: 20260505
Application Date: 20260305

Claims (10)

1. A fan speed control method, comprising: Acquiring an initial fan rotating speed, a first environment parameter, an experimental fitting parameter and a fan real-time operation time length, and calculating a compensating fan rotating speed based on the first environment parameter, the initial fan rotating speed and the experimental fitting parameter; when the real-time running time of the fan is in a first preset time period, adjusting the rotating speed of the fan from the initial rotating speed of the fan to the rotating speed of the compensation fan; and under the condition that the real-time running time of the fan is in a second preset time period stage, acquiring a second environment parameter in real time, calculating a normal fan speed based on the second environment parameter, the initial fan speed and the compensation fan speed, and adjusting the fan speed from the compensation fan speed to the normal fan speed, wherein the second preset time period stage is after the first preset time period stage.
2. The method of claim 1, wherein the first environmental parameter comprises first temperature data and first compressor power, and the experimental fit parameter comprises a reference environmental temperature, a reference compressor power, an environmental temperature compensation coefficient, and a compressor power compensation coefficient.
3. The fan speed control method of claim 2, wherein the calculating a compensated fan speed based on the first environmental parameter, the initial fan speed, and the experimental fit parameter comprises: Calculating a temperature compensation value according to the first temperature data, the reference ambient temperature and the ambient temperature compensation coefficient, and calculating a power compensation value according to the first compressor power, the reference compressor power and the compressor power compensation coefficient; And carrying out summation calculation on the temperature compensation value, the power compensation value and a preset compensation parameter to obtain a compensation value, and calculating the product of the compensation value and the initial fan rotating speed to obtain the compensation fan rotating speed.
4. The fan speed control method of claim 1, wherein said adjusting the speed of the fan from the initial fan speed to the compensating fan speed comprises: Calculating a rotating speed difference value between the rotating speed of the initial fan and the rotating speed of the compensation fan, and calculating a step adjustment amplitude according to the rotating speed difference value and a preset adjustment time interval; And carrying out step adjustment on the rotating speed of the fan from the initial rotating speed of the fan based on the step adjustment amplitude until the rotating speed of the compensation fan is reached.
5. The method of claim 1, wherein the second environmental parameter comprises second temperature data, second compressor power, and current condensing pressure; Correspondingly, the calculating the normal fan speed based on the second environmental parameter, the initial fan speed and the compensating fan speed includes: Calculating an environmental temperature correction coefficient according to the second temperature data, preset standard temperature data and preset temperature verification parameters, determining a condensing pressure correction coefficient according to the current condensing pressure and the preset standard condensing pressure, and calculating a compressor load correction coefficient according to the second compressor power and the preset rated power; And determining a normal fan rotating speed according to the initial fan rotating speed, the compensating fan rotating speed, the temperature correction coefficient, the condensing pressure correction coefficient and the compressor load correction coefficient.
6. The fan speed control method of claim 5, wherein said determining a normal fan speed based on said initial fan speed, said compensated fan speed, said temperature correction factor, said condensing pressure correction factor, and said compressor load correction factor comprises: calculating the product of the initial fan rotating speed and the temperature correction coefficient, the condensation pressure correction coefficient and the compressor load correction coefficient to obtain a target fan rotating speed; calculating the rotation speed difference between the target fan rotation speed and the compensation fan rotation speed, and determining a fine adjustment compensation value corresponding to the rotation speed difference according to a preset control strategy; and correcting the target fan rotating speed based on the fine adjustment compensation value to obtain a normal fan rotating speed.
7. The method of claim 1, further comprising, prior to said obtaining the initial fan speed, the first environmental parameter, the experimental fit parameter, and the fan real-time run length: Calculating the initial fan speed according to the target wind pressure, the target air density, the fan reference speed, the actual measured wind pressure and the experimental air density corresponding to the fan reference speed, or, And calculating the initial fan rotating speed according to the target air quantity, the target air density, the fan reference rotating speed, the actually measured air quantity and the experimental air density which correspond to the standard working conditions.
8. A fan speed control apparatus, comprising: The data acquisition module is used for acquiring the rotating speed of the initial fan, the first environmental parameter, the experimental fitting parameter and the real-time running time length of the fan; the compensation fan rotating speed calculating module is used for calculating the compensation fan rotating speed based on the first environment parameter, the initial fan rotating speed and the experiment fitting parameter; The first rotating speed adjusting module is used for adjusting the rotating speed of the fan from the initial rotating speed of the fan to the rotating speed of the compensation fan under the condition that the real-time running time length of the fan is in a first preset time length stage; The normal fan rotating speed determining module is used for acquiring a second environment parameter in real time under the condition that the real-time running time of the fan is in a second preset time period, and calculating the normal fan rotating speed based on the second environment parameter, the initial fan rotating speed and the compensating fan rotating speed; And the second rotating speed adjusting module is used for adjusting the rotating speed of the fan from the rotating speed of the compensation fan to the rotating speed of the normal fan, and the second preset duration period is after the first preset duration period.
9. An electronic device comprising one or more processors and storage means for storing one or more programs that, when executed by the one or more processors, cause the one or more processors to implement the fan speed control method of any of claims 1-7.
10. A storage medium storing computer executable instructions which, when executed by a computer processor, are adapted to perform the fan speed control method of any of claims 1-7.

Description

Fan rotating speed control method, device, equipment and storage medium Technical Field The embodiment of the application relates to the technical field of computers, in particular to a fan rotating speed control method, a device, equipment and a storage medium. Background The fan is used as core equipment of the air source heat pump air conditioning system, the operation stability, the control precision and the energy consumption level of the fan directly determine the working efficiency and the operation safety of the whole related system, and the fan has an indispensable application value in an air conditioning refrigeration scene. The rotating speed control is a key link of fan operation control, and reasonable control of the rotating speed of the fan is a key factor for realizing efficient and energy-saving operation of the fan and stable output of a system. In the related art, in the initial stage of unit operation of a heat pump air conditioning system, a fan is often controlled to operate at a fixed rotating speed, so that the requirement of high wind speed required by heat exchange between the unit and the surrounding environment when the unit is restarted after a long-time shutdown under the refrigeration working condition of high ambient temperature cannot be met, and the energy efficiency of the system cannot be accurately matched, so that the unit frequently reports high pressure. Disclosure of Invention The embodiment of the application provides a fan rotating speed control method, device, equipment and storage medium, which solve the problems that the high wind speed requirement required by heat exchange between a unit and the surrounding environment at the moment can not be met when the unit is restarted after a long-time shutdown under the high-ambient-temperature refrigeration working condition by adopting a fixed fan rotating speed in the initial unit operation stage of a heat pump air conditioning system, and the energy efficiency of the system can not be accurately matched, so that the frequent high voltage reporting of the unit is caused. Through carrying out initial wind speed compensation according to current environmental parameter under the initial operation stage, fully satisfied the unit after long-time shut down when restarting with the required high wind speed of surrounding environment heat exchange's demand, avoided the frequent condition of reporting high pressure of unit, through carrying out dynamic control to the wind speed of fan according to real-time environmental parameter after the high risk restarting stage finishes, realized the accurate matching of system energy efficiency. In a first aspect, an embodiment of the present application provides a fan rotation speed control method, including: Acquiring an initial fan rotating speed, a first environment parameter, an experimental fitting parameter and a fan real-time operation time length, and calculating a compensating fan rotating speed based on the first environment parameter, the initial fan rotating speed and the experimental fitting parameter; when the real-time running time of the fan is in a first preset time period, adjusting the rotating speed of the fan from the initial rotating speed of the fan to the rotating speed of the compensation fan; and under the condition that the real-time running time of the fan is in a second preset time period stage, acquiring a second environment parameter in real time, calculating a normal fan speed based on the second environment parameter, the initial fan speed and the compensation fan speed, and adjusting the fan speed from the compensation fan speed to the normal fan speed, wherein the second preset time period stage is after the first preset time period stage. Optionally, the first environmental parameter comprises first temperature data and first compressor power, and the experimental fitting parameter comprises reference environmental temperature, reference compressor power, an environmental temperature compensation coefficient and a compressor power compensation coefficient. Optionally, the calculating the compensating fan speed based on the first environmental parameter, the initial fan speed, and the experimental fitting parameter includes: Calculating a temperature compensation value according to the first temperature data, the reference ambient temperature and the ambient temperature compensation coefficient, and calculating a power compensation value according to the first compressor power, the reference compressor power and the compressor power compensation coefficient; And carrying out summation calculation on the temperature compensation value, the power compensation value and a preset compensation parameter to obtain a compensation value, and calculating the product of the compensation value and the initial fan rotating speed to obtain the compensation fan rotating speed. Optionally, the adjusting the rotation speed of the fan from the initial rotation speed