Controller for A door and B door

Abstract

The invention discloses a controller for an A door and a B door. The controller comprises an A door sub-system, a B door sub-system and a network switch. The A door sub-system and the B door sub-system are of the same structure and each comprise an upper computer, a main controller and a control box. Each control box comprises a pedestrian passageway control box body and a vehicle passageway control box body and is connected with the corresponding main controller through a 485 interface. The main controllers are connected with the upper computers through the network switch. The A door sub-system and the B door sub-system are in a mutual exclusion relationship. According to the controller for the A door and the B door, the main controllers in the A door sub-system and the B door sub-system are connected through the Ethernet, interaction of all states of the doors between the A door sub-system and the B door sub-system is achieved, the state interaction is independent of the upper computers, and the state interaction between the two doors is extremely timely; acting is conducted after reporting, and the phenomenon that the A door and the B door are opened at the same time can be completely eliminated. Besides a traditional key-pressing control way, commands are allowed to be sent through software of the upper computers for field control and remote control, the states of the doors are reported automatically, and supervision is facilitated for management departments.

Description

Technical field [0001] The invention relates to a gate control device, in particular to an AB door controller. Background technique [0002] In prisons, detention centers and other special places, there are situations where escorts enter and exit, which are divided into escorted entry and exit through personnel passages and escort entry and exit through vehicle passages. In order to avoid criminal suspects from escaping, riot escape or other dangerous accidents, it is necessary to carry out the passage door Effective control. [0003] Generally, there are two types of gates. One is a gate with a checkpoint, allowing people to enter and exit. The other is to set up a passageway with checkpoints at both ends of the passage. When one end of the checkpoint is opened, the other end is closed to achieve the function of transition and buffer control. We assume that the two ends of the checkpoint are called gate A and gate B respectively. [0004] However, in either case, there are the fol...

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Problems solved by technology

[0004] But no matter which of the above situations, there are the following problems: the traditional control method is artificial button + relay control, intercom call, and control the mutual exclusion relationship between A and B doors (that is, when A door is opened, B door must be closed, When door B is open, door A must be closed), due to human factors, control errors are prone to occur, resulting in the mutual exclusion before AB door is useless

[0005] Although there are also controllers that control the mutual exclusion of AB doors through software, but because they independently control A and B doors, it takes time for the controller to obtain the status of AB doors, and there are problems such as software loopholes, which will also lead to the acquisition of A and B doors. The status is not timely, and the mutual exclusion before the A and B gates is virtual.

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