Dual-power-supply steel rail flaw detection vehicle for alternating-current contact network and direct-current contact network

• Main Authors: YANG HANPING, JIN QUAN, TANG LEI, MA XIN, ZHENG XUAN, CHEN HOUWEI
• Format: Patent
• Language: Chinese; English
• Published: 15.01.2021
• 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; BODY DETAILS OR KINDS OF RAILWAY VEHICLES; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; OTHER AUXILIARY EQUIPMENT FOR RAILWAYS; PERFORMING OPERATIONS; RAILWAYS; TRANSPORTING; VEHICLES IN GENERAL

The utility model discloses an alternating-current contact network and direct-current contact network dual-power supply steel rail flaw detection vehicle which comprises a vehicle body and a tractionpower supply system installed in the vehicle body, the traction power supply system comprises an alternating-current pantograph and a direct-current pantograph, the output end of the alternating-current pantograph is connected with an AC protection device, and the output end of the AC protection device is connected with a traction transformer. The output end of the traction transformer outputs twopaths of AC830V and then is connected with a traction converter cabinet; the subway steel rail flaw detection device can carry out high-speed, comprehensive and accurate flaw detection on subway steel rails, is suitable for both AC contact networks and DC contact networks, improves the flaw detection efficiency and application range of the steel rails, and increases the operation safety of the subway. The subway steel rai