Dada inverter frequency converter heat dissipation problem
Anyone who knows the application of CNC equipment knows that the inverter will have heat dissipation problems in practical applications due to the surrounding The electrical properties of the frequency converter may vary greatly depending on the external conditions such as ambient temperature, air humidity, and dust and corrosive gases. Moreover, if the inverter is not in the maintenance and repair under long-term operation, it will accelerate the aging of the internal electronic components of the inverter, which will also cause heat dissipation problems. So, how do we change the heat dissipation problem of the inverter? Regarding this issue, Kuan Ying will introduce the Delta Inverter repair as an example. In order to improve the overheating phenomenon of the Delta inverter heat sink and reduce the repair frequency of the Delta inverter, the first thing to pay attention to is the removal of dust and humid air. If the dust removal or humid air inside the inverter cannot be exhausted in time, the internal heating of the electronic components of the inverter will be significantly more serious, which will cause equipment problems and even reduce the service life of the inverter. As for how to remove dust and humid air. Lingke Automation also made the following summary:
First of all, do the daily operation of the inverter. The daily inspection project about Delta inverter repair mainly includes the following points:
1. Check whether the sound of the motor is running during the operation of the motor. Abnormal changes, including whether vibration occurs during motor operation. 2. Check whether the environment of the inverter device has changed. For example, is the ambient temperature normal? Anyone who knows the repair of Delta inverters should know that the operating temperature of the inverter is generally required to be in the range of -10 °C to +40 °C, preferably around 25 °C. 3. Check whether the heat sink of the inverter is working normally. For example, whether the heat dissipation channel of the inverter is unblocked, and whether the various parameters such as current, voltage and frequency of the inverter on the display panel are normal. 4. Check if the inverter is overheated. For the overheating of the inverter, you can use the infrared thermometer to check whether the heat sink of the inverter is overheated or not. Also need to check whether there is a fault alarm in the running of the inverter. 5. Delta Delta frequency converter repair and maintenance should also be able to regularly clean the filter screen of the air inlet inside the electrical control cabinet. For a long time, the control cabinet and the inverter are in excellent clean state. Because it can effectively remove the surface dust on the inverter, it can also prevent dust from entering the inverter, effectively eliminating the oil pollution of the inverter cooling fan, and reducing the heat dissipation problem. 6. Lingke Automation reminds: Users should carry out overhaul every year for Delta inverters, and also focus on internal cleaning during overhaul. For example, you can use a brush or a vacuum cleaner to clean the inverter's circuit board and internal rectifier modules, IGBT modules, input and output reactors, and so on. , Widescreen reminder: the replacement of unqualified electronic components in a timely manner, this is also a primary method to reduce the repair of Delta inverter and reduce the heat dissipation problem of the inverter.