Detection circuit for power relay of vehicle-mounted charger, vehicle-mounted charger, and vehicle
A technology for power relays and on-board chargers, applied in electric vehicles, battery circuit devices, electric vehicle charging technology, etc., can solve problems such as damage to the whole machine, and achieve the effect of avoiding damage to the whole machine
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[0043] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
[0044] Such as figure 1 As shown, the embodiment of the present invention provides a detection circuit for the power relay of the on-board charger, including: a power relay 1; a power supply circuit 2 and a detection circuit 3 connected to the power relay 1; 3 connected detection controllers;
[0045] Wherein, the detection controller detects a high level through the power supply circuit 2, the power relay 1 and the detection circuit 3, and de...
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