Frequency converter protection device

• Main Authors: WU WENTONG, ZHANG JIAN, LI YONGKANG
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2024
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; BLASTING; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERATION; HEATING; LIGHTING; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRINTED CIRCUITS; SEPARATION; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The utility model provides a frequency converter protection device, which belongs to the field of protection devices and comprises a box body, a protection frame is arranged in the box body, and a plurality of first springs are fixedly arranged between the bottom of the protection frame and the inner bottom of the box body; the buffer devices are located between the two sides of the protection frame and the inner wall of the box body, each buffer device is provided with two telescopic rods, each telescopic rod comprises four fixing plates, a sleeve and a connecting rod, two of the four fixing plates are horizontally fixed to one side of the protection frame, the other two fixing plates are horizontally fixed to the inner wall of the box body, and the sleeve is sleeved with the connecting rod. A shaft rod is rotationally arranged between the two fixing plates, one end of the sleeve is fixedly arranged on the shaft rod, and a sliding groove is formed in the shaft rod. According to the utility model, the buffer