Automatic door system

• US 7,986,220 B2
• Filed: 02/02/2007
• Issued: 07/26/2011
• Est. Priority Date: 02/08/2006
• Status: Active Grant

• Current Assignee: Nabtesco Corporation
• Original Assignee: Nabtesco Corporation
• Inventors: Sasaki, Shigeaki, Kakuyama, Koji, Kiyomasa, Yoshinari
• Primary Examiner(s): Mehmood; Jennifer
• Application Number:
  US12/278,450
• Publication Number:
  US 20090031633A1
• Time in Patent Office: 1,635 Days
• Field of Search: 340/545.1, 340/545.3, 340/545.9, 3405721-5729, 340/286.02, 340/691.6, 318/466, 318/467, 702113-116, 702/119, 702/120, 702/122, 702/123
• US Class Current: 340/286.02
• CPC Class Codes: E05F 15/00 Power-operated mechanisms for wings motor-operated accessories in locks for completing closing or initiating opening of a wing E05B17/00
• CPC Class Codes: E05F 15/603 using rotary electromotors
• CPC Class Codes: E05F 15/73 responsive to movement or presence of persons or objects
• CPC Class Codes: E05Y 2400/504 of control, of software
• CPC Class Codes: E05Y 2400/82 Images; Symbols
• CPC Class Codes: E05Y 2900/132 Doors

Abstract

Whether interruption is present in the connections of automatic door constituting units is detected.

A plurality of automatic door constituting units (4, 8, 10, 12, 20, 24 and 26) are interconnected in such a manner that they can communicate with each other via a bus (2). The automatic door constituting units include a door controller (4) for controlling opening and closing of a door. The door controller (4) successively calls the other automatic door constituting units one by one via the bus (2), and the other automatic door constituting units send a response to the calling via the bus (2). The door controller (4) judges that the automatic door constituting unit the door controller (4) called is disconnected from the bus (2), when said called automatic door constituting unit does not send a response within a predetermined time after the calling.

Claims

1. An automatic door system comprising:

a bus; and

a plurality of automatic door constituting units respectively connected to said bus so that said automatic door constituting units can communicate with each other via said bus;

at least one of said plurality of automatic door constituting units being a door control unit for controlling opening and closing of a door, the other automatic door constituting units being ones selected from units constituting said automatic door system, including an indoor actuating sensor, an outdoor actuating sensor, an auxiliary sensor, an electric lock controller, a protocol transformer and a display unit;

said door control unit being so arranged as to be able to call said other automatic door constituting units via said bus, said other automatic door constituting units being so arranged as to be able to respond to said calling;

said door control unit judging that communication failure has occurred in any one of said other automatic door constituting units said door control unit has called, when that one of said other automatic door constituting units does not respond to said calling within a first predetermined time after said calling.

2. The automatic door system according to claim 1, wherein said door control unit requests, via said bus, sending of unit information representing each of said other automatic door constituting units, prepares a list of said other automatic door constituting units connected to said bus from said unit information which said door control unit receives, and makes said calling based on said list.

3. The automatic door system according to claim 1, wherein said door control unit requests, via said bus, sending of unit information representing each of said other automatic door constituting units upon completion of installation of said automatic door system, prepares a list of said other automatic door constituting units connected to said bus from said unit information which said door control unit receives, and makes said calling based on said list.

4. The automatic door system according to claim 1, wherein said door control unit requests, via said bus, sending of unit information representing each of said other automatic door constituting units when power is supplied to said automatic door system, prepares a list of said other automatic door constituting units connected to said bus from said unit information which said door control unit receives, and makes said calling based on said list.

5. The automatic door system according to claim 1, wherein each of said other automatic door constituting units comprises self-diagnosing means, and includes diagnosis made by said self-diagnosing means thereof in the response when that unit responds to said door control unit;

said door control unit controlling said door based on the diagnosis acquired when responded.

6. The automatic door system according to claim 1, wherein each of said other automatic door constituting units judges that said automatic door control unit is out of order when that unit does not receive a call within a second predetermined time after receiving the last call made by said automatic door control unit.

7. An automatic door system comprising:

a bus; and

a plurality of automatic door constituting units respectively connected to said bus so that said automatic door constituting units can communicate with each other via said bus;

at least one of said plurality of automatic door constituting units being a door control unit for controlling opening and closing of a door, the other automatic door constituting units being ones selected from units constituting said automatic door system, including an indoor actuating sensor, an outdoor actuating sensor, an auxiliary sensor, an electric lock controller, a protocol transformer and a display unit;

each of said automatic door constituting units being so arranged as to be able to call and respond to the other automatic door constituting units via said bus, each automatic door constituting unit judging that communication failure has occurred with any one of said other automatic door constituting units when that one automatic door constituting unit does not respond within a predetermined time after calling that one automatic door constituting unit.

8. The automatic door system according to claim 7, wherein one of said plurality of automatic door constituting units sends, onto said bus, a request for unit information representing said other automatic door constituting units, prepares a list of said automatic door constituting units connected to said bus from said unit information received and its own unit information, and sends said list to said other automatic door constituting units via said bus;

said automatic door constituting units identifying the other automatic door constituting units based on said list.

9. The automatic door system according to claim 7, wherein one of said plurality of automatic door constituting units sends, onto said bus;

a request for unit information representing said other automatic door constituting units upon completion of installation of said automatic door system, prepares a list of said automatic door constituting units connected to said bus from said unit information received and its own unit information, and sends said list to said other automatic door constituting units via said bus;

said automatic door constituting units identifying the other automatic door constituting units based on said list.

10. The automatic door system according to claim 7, wherein one of said plurality of automatic door constituting units sends, onto said bus, a request for unit information representing said other automatic door constituting units when power is supplied to said automatic door system, prepares a list of said automatic door constituting units connected to said bus from said unit information received and its own unit information, and sends said list to said other automatic door constituting units via said bus;

said automatic door constituting units identifying the other automatic door constituting units based on said list.

11. The automatic door system according to claim 7, wherein said respective automatic door constituting units are provided with self-diagnosing means, and include diagnosis made by said self-diagnosing means thereof in the responses when said automatic door constituting units send the responses;

said automatic door constituting units operating based on the diagnoses acquired when responded by the other automatic door constituting units.