Data transmission method and device for ETC transaction and electronic equipment

The embodiment of the invention provides a data transmission method and device for ETC transaction and electronic equipment, and relates to the technical field of intelligent traffic. The data transmission method for the ETC transaction comprises the following steps: responding to a vehicle on an ETC lane, continuously sending a channel negotiation request, receiving negotiation result information continuously returned by at least one OBU (On Board Unit), if detecting that multiple pieces of negotiation result information in a negotiation result meet a predetermined auxiliary condition, judging that channel negotiation succeeds, and if the negotiation result information does not meet the predetermined auxiliary condition, judging that the channel negotiation succeeds. And in response to successful channel negotiation with the OBU of the target vehicle on the ETC lane, taking the first channel as a working channel of the target antenna, sending a data request to the OBU of the target vehicle, and if it is dete