Vehicle-mounted relay electrical characteristic test board

A vehicle-mounted relay electrical characteristic test board belongs to the technical field of electrical element detection and comprises an upper computer, a main control board, a 24v switching power supply, a 5v switching power supply, a direct current program control power supply, a direct current voltmeter, a direct current ammeter, an insulation resistance meter and a microohm meter. The main control board is connected with a relay test base contact through a connecting terminal, the 24v switching power supply and the 5v switching power supply are connected with the connecting terminal of the main control board in parallel, the direct current ampere meter is connected with an output port of the programmable power supply in series, and a test interface of the microohm instrument is connected with the connecting terminal of the main control board in parallel. According to the utility model, the automatic test of the electrical characteristics of the vehicle-mounted relay is realized through the control of