Testing device of energy management controller

The utility model provides a testing device of an energy management controller, which comprises a testing circuit board and a switching power supply, the switching power supply is connected with the testing power supply, the testing circuit board comprises a plurality of electronic elements for different testing functions, the front surface of the testing circuit board is provided with wiring terminals of the electronic elements, and the back surface of the testing circuit board is welded with the electronic elements. The electronic element is connected with the power supply and the wire harness plug connector through the wiring terminal, and the wire harness plug connector is connected with the testing device and the energy management controller. The test circuit board realizes a test excitation function of various external interfaces of the energy management controller through relatively simple elements and structures, not only can perform function test of the controller through devices arranged on the test