CN-224234049-U - Speed regulating system of inverter fan

Abstract

The utility model relates to the technical field of heat dissipation of power equipment and discloses an inverter fan speed regulating system which comprises a battery, an inverter fan, a temperature acquisition module, a power output acquisition module and an MCU, wherein the battery is used for providing power for the inverter, the inverter is used for converting direct current into alternating current and outputting the alternating current to a load, the inverter fan is provided with a plurality of groups and is arranged in the inverter and used for reducing the temperature in the inverter, the temperature acquisition module is arranged in the inverter and used for monitoring the working temperature of the inverter, the power output acquisition module is arranged in the inverter and used for monitoring the power output of a load end of the inverter, the MCU is arranged in the inverter and used for controlling the rotating speed of the inverter fan through a speed regulating circuit, and the starting and rotating speed of the fan are regulated through the PWM signal output by the MCU.

Inventors

• CAI YUXIANG
• XU JINGJING
• CHU JIACHEN
• FU NING

Assignees

• 青岛天盈华智科技有限公司

Dates

Publication Date

20260512

Application Date

20250605

Claims (8)

1. 1. An inverter fan speed regulation system, comprising: A battery for supplying power to the inverter; an inverter for converting the direct current into alternating current and outputting to a load; inverter fans, which are provided with a plurality of groups and are arranged in the inverter for reducing the temperature in the inverter; The temperature acquisition module is arranged in the inverter and used for monitoring the working temperature of the inverter; The power output acquisition module is arranged in the inverter and is used for monitoring the power output of the load end of the inverter; and the inverter is internally provided with an MCU for controlling the rotating speed of the fan of the inverter through a speed regulating circuit.
2. 2. The system of claim 1, wherein the inverter further comprises an inverter boost circuit having a plurality of ports, one port being in communication with the load and the other port being in communication with the power output collection module.
3. 3. The inverter fan speed regulation system of claim 1, wherein the battery communicates with the load through an inverter boost circuit.
4. 4. The inverter fan speed regulation system of claim 1, wherein the MCU is in communication with the inverter fan via a circuit for supplying power to the inverter fan.
5. 5. The inverter fan speed regulation system of claim 1, wherein the MCU is electrically connected with the temperature acquisition module and is used for receiving signals detected by the temperature acquisition module.
6. 6. The system of claim 1, wherein the MCU is electrically connected to the power take-off module for monitoring the power output of the inverter.
7. 7. The system of claim 1, wherein the MCU adjusts the speed of the inverter fan by generating PWM signals.
8. 8. The inverter fan speed regulation system of claim 7 wherein the PWM signal is delivered to the inverter fan by a fan power supply circuit.

Description

Speed regulating system of inverter fan Technical Field The utility model relates to the technical field of heat dissipation of power equipment, in particular to a speed regulation system of an inverter fan. Background When the inverter is loaded with a high-power load, the power device generates a large amount of heat due to high power output. Besides basic heat dissipation through the radiator, a fan is required to be installed to form an effective internal air duct for active heat dissipation, so that stable operation of the inverter is ensured. However, the prior art has a number of problems with fan regulation. First, existing fans are typically battery powered and their rotational speed is affected by the battery voltage after start-up. When the battery voltage is lower, the current at the battery end is increased, so that the MOS tube in the DC booster circuit is seriously heated, but the rotating speed of the fan is lower because of the low battery voltage, and the effective heat dissipation cannot be provided, so that the heat dissipation effect is affected. Secondly, when the inverter is loaded with medium-power load, the fan can stop working after rapid heat dissipation in the initial stage. Subsequently, when the temperature rises again, the fan is restarted. The frequent start and stop state of the fan not only causes unstable heat dissipation effect, but also increases the workload of equipment and reduces the efficiency of the system. Finally, when the inverter is loaded with a high-power load, the fan cannot be started immediately, and the fan is started after the NTC temperature sensor detects that the temperature reaches a set value, so that delay of the response of the fan is caused, temperature rise caused by the load cannot be timely dealt with, and the risk of overheating of the inverter is increased. Disclosure of utility model In order to make up for the defects, the utility model provides an inverter fan speed regulating system, which aims to solve the problems of slow response and serious limitation in the prior art when radiating the inside of an inverter. In order to achieve the purpose, the utility model provides the following technical scheme that the speed regulating system of the inverter fan comprises: A battery for supplying power to the inverter; an inverter for converting the direct current into alternating current and outputting to a load; inverter fans, which are provided with a plurality of groups and are arranged in the inverter for reducing the temperature in the inverter; The temperature acquisition module is arranged in the inverter and used for monitoring the working temperature of the inverter; The power output acquisition module is arranged in the inverter and is used for monitoring the power output of the load end of the inverter; and the inverter is internally provided with an MCU for controlling the rotating speed of the fan of the inverter through a speed regulating circuit. According to the technical scheme, when the temperature is high or the load is high, the fan can be started rapidly and the rotating speed is increased gradually, so that the heat dissipation capacity is effectively enhanced, and when the temperature is reduced or the load is reduced, the rotating speed of the fan is reduced synchronously, so that energy waste is avoided, and the service life of the fan is prolonged. As a further description of the above technical solution: Preferably, the inverter further comprises an inverter boost circuit, wherein a plurality of groups of ports are arranged on the inverter boost circuit, one port of the inverter boost circuit is communicated with a load, and the other port of the inverter boost circuit is communicated with the power output acquisition module. Through the technical scheme, the power control device is used for transmitting the boosted alternating current to external equipment and monitoring the actual output power in real time. As a further description of the above technical solution: Preferably, the battery communicates with the load through an inverter boost circuit. According to the technical scheme, the direct current provided by the battery is firstly subjected to voltage boosting through the inverter boosting circuit and then is output to the load, so that the function of the inverter is realized. As a further description of the above technical solution: preferably, the MCU is communicated with the inverter fan through a circuit and is used for supplying power to the inverter fan. Through the technical scheme, the fan control device is connected with the inverter fan through the circuit, so that not only can the fan running state be controlled, but also the fan can be directly powered. As a further description of the above technical solution: Preferably, the MCU is electrically connected with the temperature acquisition module and is used for receiving signals detected by the temperature acquisition module. Through the technical s