Blockchain prison visit management method and system

[0049] Such as figure 1 As shown, a blockchain prison visit management method includes the following steps:

[0050] Step S110, the information acquisition module starts to work;

[0051] Step S120, judging whether the information acquisition module has captured the image of the person waiting to pass through the gate, if so, proceed to the next step, otherwise return to step S110;

[0052] Step S130, according to the obtained image of the person waiting to pass through the gate, judge whether it is a prison officer or a staff member, if so, proceed to the next step, if not, store the passing data and return to step S110;

[0053]Step S140, judging whether the prison guards or staff are in normal working hours at this time, if so, the access control is opened, and the access control is closed after passing through, and the passing data is stored; otherwise, proceed to the next step;

[0054] In step S150, the access control is kept closed, and the on-duty staff is notified to p

[0056] Such as figure 2 As shown, the block chain prison visit management method of the present invention also includes the following steps before storing the pass data when it is judged not to be a prison officer or a staff member in step S130:

[0057] Step S161, judging whether the access control personnel to pass through provide key information and serial number information, if so, go to the next step, if not, store the pass data and return to step S110;

[0058] Step S162, obtaining the key information and serial number information provided by the visitor;

[0059] Step S163, judging whether it is valid information according to the key information and serial number information, if so, proceed to the next step, if not, store the pass data and return to step S110;

[0060] Step S164, judging whether the key usage times is twice, if not, proceed to step S165, if so, proceed to step S166;

[0061] Step S165, open the access control device, count the number of times the key is

[0065] In the block chain prison visit management method of the present invention, the step of judging whether it is a prison officer or a staff member is: including matching the image of the person to be passed through the access control with the face image database in the policeman's face image information database. Matching, indicating that they are prison officers or staff, and others are consistent with the scheme of embodiment 1 or 2.