Airport access control device

By adopting two A/B redundant power supply and relay protection measures in the airport access control system, the problems of insufficient redundancy and safety risks of existing systems are solved, and higher operating reliability and safety control are achieved.

CN222672372UActive Publication Date: 2025-03-25CHENGDU SHUANGLIU INT AIRPORT
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Patent Information

Application Number
CN202420673239.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-03-25
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

The existing airport access control system has problems such as insufficient power supply redundancy, no relay protection on the board, high voltage risk of fire relays, and easy disengagement of connectors and short circuits, resulting in unstable operation and safety risks.

Method used

Design an airport access control device, adopt two A/B redundant power supply, set up a general control circuit breaker, separate control switching power supply and redundant module, realize redundant power supply for door locks and boards, and set up a DC circuit breaker at the positive pole of the electromagnetic lock, and a fire relay at the negative pole to reduce the risk of high voltage. Use terminals at all connectors.

Benefits of technology

It improves the operating reliability and stability of the airport access control system, effectively prevents unrelated personnel from illegally breaking into the apron, realizes safety control, and reduces air defense safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an airport access control device. A 220V power supply A and a 220V power supply B of the device are both led from an airport machine room PDU, and a circuit breaker of a general control 24V switching power supply, a circuit breaker of a branch control 24V switching power supply and a circuit breaker of a 12V switching power supply are arranged on each circuit. And after passing through a 24V switching power supply and a 12V switching power supply, 220V voltage is converted into 24V voltage and 12V voltage respectively, and power supply redundancy is realized through a redundancy module for supplying power to a door lock and an access control R2 card. The system also has the following advantages: (1) the door lock 24V power supply and the board card 12V power supply both adopt A / B two-way redundant power supply, so that the operation reliability is improved; (2) a direct-current circuit breaker is arranged between the door lock and the board card for relay protection, the door lock at the front end is automatically disconnected after short circuit, and the access control R2 card is prevented from being damaged and even causing a fire; (3) the fire-fighting relay is powered by 24V, so that the high-voltage risk is reduced; and (4) wiring terminals are used at all joints, so that the circuit is prevented from falling off and short circuit, and the equipment period is prolonged.
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Description

Technical Field

[0001] The utility model relates to the field of airport access control, in particular to an airport access control device. Background Art

[0002] In order to ensure the safe operation of the airport and achieve effective control over the entry and exit of personnel in the airport, an access control system has been set up in the airport terminal. Staff entering and exiting different areas are required to swipe their cards and enter passwords before entering.

[0003] After analysis, it is found that the existing technology mainly has the following disadvantages:

[0004] 1. The door lock's 24V power supply has no redundant power supply. Power outages may cause the airport access control to open abnormally, posing the risk of illegal entry by passengers.

[0005] 2. The board has no relay protection, and a short circuit may damage the access control R2 card or even cause a fire.

[0006] 3. The fire relay is powered by 220V and there is no corresponding circuit breaker, which poses a risk of high-voltage operation.

[0007] 4. All joints of the access controller (R2 card) are directly connected by wires, which are easy to fall off and have the risk of short circuit. Utility Model Content

[0008] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides an airport access control device; through the various redundancy and relay protection measures of the airport access control controller, the operating reliability and stability of the airport access control system are improved, and irrelevant personnel are effectively prevented from illegally breaking into the apron, thereby realizing the safe management and control of airport access control and effectively reducing the airport air defense security risks.

[0009] The utility model is implemented by constructing an airport access control device, which is characterized by:

[0010] The device has two A / B circuits, both of which are derived from the airport room PDU's 220V power supply;

[0011] A main control circuit breaker, a sub-control 12V switching power supply, a sub-control 24V switching power supply, and corresponding sub-control 12V circuit breakers and sub-control 24V circuit breakers are set on each branch. After passing through the 24V and 12V switching power supplies, the 220V voltage is converted into 24V and 12V respectively;

[0012] The device also includes a 12V redundant module and a 24V redundant module, wherein the 12V redundant modules are respectively connected to the sub-controlled 12V switch power supply, and the output end of the 12V redundant module is connected to the access control R2 card;

[0013] The 24V redundant modules are respectively connected to the sub-controlled 24V switching power supplies;

[0014] The access control R2 card is connected to the front-end electromagnetic lock, card reader, and exit button;

[0015] Power supply redundancy is achieved through redundant modules to power electromagnetic locks, access control R2 cards, and card readers.

[0016] Furthermore, the card reader and access control R2 card are powered by a 12V power supply with redundancy; the electromagnetic lock is powered by a 24V switching power supply with redundancy.

[0017] Furthermore; a DC circuit breaker is set at the positive pole of the electromagnetic lock, and the access control R2 card is connected in series, a fire relay is set at the negative pole of the electromagnetic lock, and the signal is introduced into the fire module box; the front end opens the door by swiping the card through the card reader, and the card reader transmits the signal to the access control R2 card through the Wiegand protocol, and the access control R2 card is connected to the access control host through TCP / IP.

[0018] Furthermore, the 24V redundant module is connected to the branch line, which is respectively connected to the DC circuit breaker and the fire relay. The DC circuit breaker is connected to the positive pole of the electromagnetic lock through the access control R2 card, and the negative pole of the electromagnetic lock is connected to the fire relay.

[0019] The utility model has the following advantages: The utility model provides an airport access control device; through the various redundancy and relay protection measures of the airport access controller, the operational reliability and stability of the airport access control system are improved, and irrelevant personnel are effectively prevented from illegally entering the apron, the airport access control is realized, and the airport air defense safety risk is effectively reduced. The application also has the following advantages: (1) The door lock 24V power supply and the board card 12V power supply are both A / B two-way redundant power supply, which improves operational reliability; (2) A DC circuit breaker is set between the door lock and the board card for relay protection, and the front-end door lock is automatically disconnected in case of short circuit, preventing the access control R2 card from being damaged or even causing a fire; (3) The fire relay is powered by 24V, reducing the risk of high voltage; (4) All joints use wiring terminals to prevent the line from falling off and short circuiting, thereby improving the equipment cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the access control device of the present application;

[0021] Figure 2 It is a schematic diagram of the layout implementation form 1 of the present application (front layout diagram of the 15-door control box);

[0022] Figure 3 It is a schematic diagram of the layout implementation form 1 of the present application (15 layout diagram of the back of the door control box);

[0023] Figure 4 It is a schematic diagram of the layout implementation form 2 of the present application (front layout diagram of the 30-door control box);

[0024] Figure 5 It is a schematic diagram of the layout implementation form 2 of the present application (layout diagram of the back of the 30-door control box).

[0025] Among them: main control circuit breaker 1, sub-control 12V switching power supply 2, sub-control 24V switching power supply 3, sub-control 12V circuit breaker 4, sub-control 24V circuit breaker 5, 12V redundant module 6, 24V redundant module 7, access control R2 card 8, branch line bar 9, DC circuit breaker 10, fire relay 11, card reader 12, exit button 13, electromagnetic lock 14. DETAILED DESCRIPTION

[0026] The following will be combined with the attached Figure 1-Figure 5 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides an airport access control device, such as Figure 1 As shown, it can be implemented as follows;

[0028] The device has two A / B circuits, both of which are derived from the airport room PDU's 220V power supply;

[0029] A main control circuit breaker 1, a sub-control 12V switching power supply 2, a sub-control 24V switching power supply 3, and corresponding sub-control 12V circuit breakers and sub-control 24V circuit breakers are set on each branch. After passing through the 24V and 12V switching power supplies, the 220V voltage is converted into 24V and 12V respectively;

[0030] The device also includes a 12V redundant module 6 and a 24V redundant module 7. The 12V redundant module 6 is connected to the sub-controlled 12V switch power supply 2. The output end of the 12V redundant module 6 is connected to the access control R2 card 8.

[0031] The 24V redundant modules 7 are respectively connected to the sub-controlled 24V switching power supplies 3;

[0032] The access control R2 card is connected to the front-end electromagnetic lock 14, the card reader 12, and the exit button 13;

[0033] Power supply redundancy is achieved through a redundant module, which is used to supply power to the electromagnetic lock 14 , the access control R2 card 8 , and the card reader 12 .

[0034] The card reader 12 and the access control R2 card 8 are powered by a 12V power supply with redundancy; the electromagnetic lock 14 is powered by a 24V switching power supply with redundancy.

[0035] The creative point of the present invention is: through various redundancy and relay protection measures of the airport access control controller, the operating reliability and stability of the airport access control system are improved, and irrelevant personnel are effectively prevented from illegally breaking into the apron, the safe management and control of the airport access control is realized, and the airport air defense security risk is effectively reduced.

[0036] At the same time, a DC circuit breaker 10 is set at the positive pole of the electromagnetic lock 14, and the access control R2 card 8 is connected in series, a fire relay 11 is set at the negative pole of the electromagnetic lock 14, and the signal is introduced into the fire module box; the front end swipes the card to open the door through the card reader 12, and the card reader 12 transmits the signal to the access control R2 card 8 through the Wiegand protocol, and the access control R2 card 8 is connected to the access control host through TCP / IP.

[0037] At the same time, the 24V redundant module 7 is connected to the branch line 9, which is respectively connected to the DC circuit breaker 10 and the fire relay 11. The DC circuit breaker 10 is connected to the positive pole of the electromagnetic lock 14 through the access control R2 card, and the negative pole of the electromagnetic lock 14 is connected to the fire relay 11.

[0038] In summary, the utility model provides an airport access control device, such as Figure 1 In the device, the two 220V power supplies A / B are both derived from the airport room PDU, and circuit breakers for the main control and sub-control 24V switching power supply and 12V switching power supply are set on each line. After passing through the 24V and 12V switching power supplies, the 220V voltage is converted to 24V and 12V respectively, and power supply redundancy is achieved through the redundant module, which is used to power the door lock and the access control R2 card. A DC circuit breaker is set at the positive pole of the door lock, and the access control R2 card is connected in series. A fire relay is set at the negative pole of the door lock, and the signal is introduced into the fire module box. The front end opens the door by swiping the card through the card reader, and the card reader transmits the signal to the access control R2 card 8 through the Wiegand protocol. The access control R2 card 8 is connected to the access control host through TCP / IP.

[0039] It should be noted that the access control R2 card is the core component that connects the front-end door magnet, card reader, exit button and other devices. The relay switch on it is an important component for controlling and feedback the opening and closing of the door magnet. The access control IC card is the core part of the system. It can process the connected R2 card data in real time. The control module is connected to the access control management server through the TCP / IP network. The access control R2 card and access control IC are placed in the computer room of the airport terminal. The IC card and R2 card are powered by a 12V power supply with redundancy, and the door lock is powered by a 24V switching power supply without redundancy.

[0040] This application also has the following advantages: (1) The door lock 24V power supply and the board card 12V power supply both use A / B two-way redundant power supply to improve operational reliability; (2) A DC circuit breaker is set between the door lock and the board card for relay protection, and the front-end door lock automatically disconnects in case of short circuit to prevent damage to the access control R2 card or even cause a fire; (3) The fire relay is powered by 24V to reduce the risk of high voltage; (4) Terminals are used at all joints to prevent line detachment and short circuit, thereby improving the equipment cycle.

[0041] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An airport access control device, characterized in that ; The device has two A / B circuits, both of which are derived from the 220V power supply of the airport room PDU. A main control circuit breaker (1), a sub-control 12V switching power supply (2), a sub-control 24V switching power supply (3), and corresponding sub-control 12V circuit breakers (4) and sub-control 24V circuit breakers (5) are provided on each branch line, and the 220V voltage is converted into 24V and 12V respectively after passing through the 24V and 12V switching power supplies; The device further comprises a 12V redundant module (6) and a 24V redundant module (7), wherein the 12V redundant module (6) is respectively connected to the sub-controlled 12V switch power supply (2), and the output end of the 12V redundant module (6) is connected to the access control R2 card (8); The 24V redundant modules (7) are respectively connected to the sub-controlled 24V switch power supplies (3). The access control R2 card (8) is connected to the front-end electromagnetic lock (14), the card reader (12), and the exit button (13); Power supply redundancy is achieved through a redundant module, and is used to supply power to the electromagnetic lock (14), the access control R2 card (8), and the card reader (12).

2. An airport access control device according to claim 1, characterized in that; The card reader (12) and the access control R2 card (8) are powered by a 12V power supply with redundancy; the electromagnetic lock (14) is powered by a 24V switching power supply with redundancy.

3. The airport access control device according to claim 1, characterized in that: A DC circuit breaker (10) is arranged at the positive pole of the electromagnetic lock (14), and the access control R2 card (8) is connected in series; a fire relay (11) is arranged at the negative pole of the electromagnetic lock (14), and the signal is introduced into the fire module box; the front end swipes the card through the card reader (12) to open the door, and the card reader (12) transmits the signal to the access control R2 card (8) through the Wiegand protocol, and the access control R2 card (8) is connected to the access control host through TCP / IP.

4. The airport access control device according to claim 1, characterized in that: The 24V redundant module (7) is connected to a branch line (9), and the branch line (9) is respectively connected to a DC circuit breaker (10) and a fire relay (11). The DC circuit breaker (10) is connected to the positive pole of an electromagnetic lock (14) via an access control R2 card (8), and the negative pole of the electromagnetic lock (14) is connected to the fire relay (11).