Electronic coded lock

The invention discloses an electronic coded lock. The electronic coded lock comprises an electronic control lockset, a password input module, a control module connected with the password input module and an unlocking module connected with the control module. The unlocking module comprises a switching tube and a relay, wherein the switching tube is connected with a control signal output terminal of the control module, the control module outputs a high/low level signal according to a password input by the password input module, so as to control on-off of the switching tube, the relay is connected with the switching tube, a normally open contact of the relay is arranged on a power supply loop of an electronic control lockset, and the relay controls on or off of the normally open contact according to the on-off of the switching tube. Therefore, the unlocking module in the electronic coded lock provided by the embodiment only needs to contain the switching tube and the relay which are relatively low in price, a co