CN2538020Y

CN2538020Y - Network gate inhibition control system

Info

Publication number: CN2538020Y
Application number: CN 02210146
Authority: CN
Inventors: 施国君
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-02-07
Filing date: 2002-02-07
Publication date: 2003-02-26
Anticipated expiration: 2012-02-07

Abstract

The utility model relates to a network access control system, consisting of a power, a card reader, a controller, an electric control lock and an opening button. The controller consists of a power module, a RS232 communication module, an opening button module, an electric control lock, a door magnetic switch control module, and a core module. Radio frequency data is read by a radio frequency card reader and sent into a controller host through a serial communication module of the controller, and sent to a background administration server with a TCP/IP agreement through an inserted gateway of the controller. The background administration server checks the received radio frequency card data, and sends an opening instruction to the controller host to a legal user, and the controller host computer drives the work of the electric control lock and opens a joint through a control circuit, and the door will not be opened for and illegal user of the system. The utility model has the advantages of simple structure, strong functions, convenient operation, and high stability and safety since Ethernet technique and data encryption technique are adopted.

Description

Network access control system

Affiliated technical field

The utility model relates to a kind of network access control system, belongs to the Control System of Microcomputer technical field.Be applicable to the control of residential quarters, hotel door.

Background technology

The access controller of network access control system in the past is with the connected mode of the connection employing fieldbus (as RS232, RS485) of back-stage management server, and it in the shortcoming of depositing is: (1) reliability, poor stability; (2) construction cost height.

Summary of the invention

The utility model provide at the problem of above-mentioned existence a kind of rational in infrastructure, function strong, the network access control system of advanced technology, dependable performance.

The technical solution of the utility model is as follows:

Network access control system is made up of gate inhibition's control module, hub and back-stage management server three parts; Gate inhibition's control module is made up of power supply, card reader, controller, electric control lock and door open button five parts; Controller is made up of with door status switch control module and nucleus module power module, RS232 communication module, door open button module, electric control lock.

The output termination controller power source input interface J1 of gate inhibition's control module power supply, the output termination controller door open button input interface J5 of door open button, the output termination controller RS232 communication module input interface JP1 of card reader, the control end of electric control lock and door status switch input termination controller output interface J6, the ethernet communication interface J2 of controller connects the RJ45 interface of hub, and the RJ45 interface of hub connects the RJ45 interface of server card of surfing Internet.

The radio-frequency card card reader is sent into the controller main frame to the radio-frequency card data of reading by the serial communication module of controller, and by the embedded gateway on the controller, utilize ICP/IP protocol to send back-stage management server to, back-stage management server is carried out probatio inspectionem pecuoarem to the radio-frequency card data that receive, if validated user, then send the instruction of opening the door to the controller main frame, the controller main frame drives electric control lock work and opens a node by control circuit; If the disabled user of system then can not open the door.

When abnormal conditions appear in network access control place, as when situation such as fire alarm, earthquake occurring, can open all nodes by back-stage management server control.

The utility model has the advantages that rational in infrastructure, function is strong, easy to use, adopt Ethernet networking technology and data encryption technology, reliability and safe.

Description of drawings further specifies the utility model below in conjunction with drawings and Examples:

Fig. 1 is the network access control system structured flowchart.

Fig. 2 is the controller power source module circuit diagram.

Fig. 3 is a controller RS232 communication module circuit diagram.

Fig. 4 is a controller door open button module circuit diagram.

Fig. 5 is controller electric control lock and door status switch control module circuit diagram.

Fig. 6 is the nucleus module circuit diagram.

As shown in Figure 1, network access control system is made up of gate inhibition's control module, hub (or switch) and back-stage management server (band printer) three parts; Gate inhibition's control module is made up of power supply, card reader, controller, electric control lock (band door status switch) and door open button five parts, and its middle controller is the core of total system.

As shown in Figure 2, the power unit of controller is the DC-DC translation circuit of standard.

As shown in Figure 3, constituting of RS232 communication module circuit: 2 pin of serial communication input interface JP1 connect 13 pin of serial communication integrated package U1, and 3 pin of JP1 connect 14 pin of U1, realize the connection of U1 with card reader or back-stage management server; 12 pin of U1 connect 5 pin of U3, and 11 pin of U1 connect 7 pin of single-chip microcomputer U3, realize the connection of U1 with U3.

As shown in Figure 4, constituting of door open button control module circuit: 1 pin that 1 pin of door open button input interface J5 meets Schmidt trigger U7A links to each other the other end+5V of R17 with 2 pin and while with an end of resistance R 17; 3 pin of U7A connect 18 pin of U3, realize the connection of U7A with U3.

As shown in Figure 5, constituting of electric control lock and door status switch control module circuit: 1 pin of electric control lock and door status switch interface J6 is succeeded the normally closed contact that the normally opened contact of electrical equipment Z1,2 pin meet Z1, realize the connection of Z1 with electric control lock, 3 pin of J6 connect 9 pin and 10 pin of Schmidt trigger U7C, realize the connection of U7C with door status switch, 8 pin of U7C connect 19 pin of U3, realize the connection of U7 with U3,12 pin of U7D and 13 pin connect 23 pin of U3, realize the connection of U7D with U3,11 pin of U7D are connected with Z1 with triode Q3 by resistance R 2.

As shown in Figure 6, the constituting of nucleus module circuit: 11 pin, 6 pin of J2 of 3 pin T1 that 2 pin that 1 pin of network communication module interface J2 meets 16 pin of network transformer T1, J2 meet 14 pin, the J2 of T1 connect 9 pin of T1, realize the connection of T1 with hub; 6 pin that 3 pin that 1 pin of T1 meets 45 pin, the T1 of network card chip U5 meet 46 pin of U5, T1 connect 59 pin of U5,8 pin of T1 connect 58 pin of U5, realize the connection of T1 with U5; 29 pin that 30 pin that 35 pin that 10 pin that 9 pin that 8 pin that 7 pin that 5 pin that 36～43 pin of U5 meet 22～29 pin, the U5 of network and singlechip computer U2 meet 12 pin of U2, U5 meet 13 pin, the U5 of U2 meet 14 pin of U2, U5 meet 15 pin, the U5 of U2 meet 16 pin of U2, U5 meet 19 pin, the U5 of U2 meet 17 pin of U2, U5 connect 18 pin of U2, realize the connection of U5 with U2; 38 pin that 37 pin that 36 pin that 33 pin that 32 pin that 31 pin that 30 pin of U2 meet 40 pin, the U2 of U3 meet 41 pin of U3, U2 meet 42 pin, the U2 of U3 meet 43 pin of U3, U2 meet 44 pin, the U2 of U3 meet 1 pin of U3, U2 connect 25 pin that 39 pin of 20 pin, the U2 of U3 meet 3 pin of U3, U2 by 3 pin that R18 connects U3, realize the connection of U2 with main control singlechip U3; 24 pin of U3 meet 4 of U7B and are connected hummer BUZ1 by resistance R 10 with triode Q2 with 6 pin of 5 pin, U7B.

Claims

1. network access control system, it is characterized in that it is made up of gate inhibition's control module, hub and back-stage management server three parts, gate inhibition's control module is made up of power supply, card reader, controller, electric control lock and door open button, and controller is made up of with door status switch control module and nucleus module power module, RS232 communication module, door open button module, electric control lock; The output termination controller power source input interface J1 of gate inhibition's control module power supply, the output termination controller door open button input interface J5 of door open button, the output termination controller RS232 communication module input interface JP1 of card reader, the control end of electric control lock and door status switch input termination controller output interface J6, the ethernet communication interface J2 of controller connects the RJ45 interface of hub, and the RJ45 interface of hub connects the RJ45 interface of server card of surfing Internet; The radio-frequency card card reader is sent into the controller main frame to the radio-frequency card data of reading by the serial communication module of controller, and by the embedded gateway on the controller, utilize ICP/IP protocol to send back-stage management server to, the controller main frame drives electric control lock work and opens a node by control circuit.

2. network access control system according to claim 1, it is characterized in that 25 pin that 39 pin that 38 pin that 37 pin that 36 pin that 33 pin that 32 pin that 31 pin that 30 pin of network and singlechip computer U2 in the described nucleus module circuit meet 40 pin of main control singlechip U3, U2 meet 41 pin of U3, U2 meet 42 pin of U3, U2 meet 43 pin of U3, U2 meet 44 pin of U3, U2 meet 1 pin of U3, U2 meet 20 pin of U3, U2 meet 3 pin of U3, U2 by 3 pin that R18 connects U3, realize the connection of network and singlechip computer U2 with main control singlechip U3.

3. network access control system according to claim 1, it is characterized in that 30 pin that 35 pin that 10 pin that 9 pin that 8 pin that 7 pin that 5 pin that 36～43 pin of network card chip U5 in the described nucleus module circuit meet 22～29 pin of network and singlechip computer U2, U5 meet 12 pin of U2, U5 meet 13 pin of U2, U5 meet 14 pin of U2, U5 meet 15 pin of U2, U5 meet 16 pin of U2, U5 meet 19 pin of U2, U5 connect 17 pin of U2,29 pin of U5 connect 18 pin of U2, realize the connection of network card chip U5 with network and singlechip computer U2.

4. according to claim 2 or 3 described network access control systems, it is characterized in that described network and singlechip computer U2 adopts the SX52BD single-chip microcomputer.

5. network access control system according to claim 2 is characterized in that described main control singlechip U3 adopts the AT8988252Q single-chip microcomputer.