System and method for controlling the operation of a door

Patent metadata

Field	Value
Publication number	US-12499716-B2
Application number	US-202017619673-A
Country	US
Kind code	B2
Filing date	Jun 17, 2020
Priority date	Jun 24, 2019
Publication date	Dec 16, 2025
Grant date	Dec 16, 2025

Abstract

A system, method and computer program product for controlling the operation of a door ( 1 ) to a room, the method comprising (S 1 ) obtaining at least a first air pressure data ( 1 ap ) based on an air pressure on the inside of the door ( 1 ), (S 2 ) obtaining at least a second air pressure data ( 2 ap ) based on the air pressure on the outside of the door ( 1 ), and (S 5 ) determining at least a first air pressure difference data ( 1 apdd ) based on the difference between the at least first air pressure data ( 1 ap ) and the at least second air pressure data ( 2 ap ), and in a determination that the at least first air pressure difference data ( 1 apdd ) is outside of a predefined value, or a predefined value interval, generate a control signal (CS) for controlling the operation of the door ( 1 ).

First claim

The invention claimed is:

1 . A door operation management system for controlling the operation of a door to a room, the door operation management system comprises:
at least a first sensor device configured to obtain at least a first air pressure data ( 1 ap ) based on the air pressure on the inside of a door and at least a second air pressure data ( 2 ap ) based on the air pressure on the outside of the door, wherein the door is separating the room from a second room, and wherein in a closed state the door seals or partially seals the room from the second room; a processing circuitry operatively connected to the at least first sensor device configured to cause the door operation management system to: obtain the at least first air pressure data ( 1 ap ) based on the air pressure on the inside of a door; obtain the at least second air pressure data ( 2 ap ) based on the air pressure on the outside of the door; and determine at least a first air pressure difference data ( 1 apdd ) based on the difference between the at least first air pressure data ( 1 ap ) and the at least second air pressure data ( 2 ap ), and in a determination that the at least first air pressure difference data ( 1 apdd ) is outside of a predefined value, or a predefined value interval, generate a control signal (CS) for controlling the operation of the door, and determine a total time, or a number of times, the door has been exposed to at least one of the at least first air pressure data ( 1 ap ), the at least second air pressure data ( 2 ap ) and the at least first air pressure difference data ( 1 apdd ), and in a determination that the total time, or the number of times, exceed predefined time value or a predefined number of times value, generate a maintenance signal (MS) for indicating a need for maintenance of the door.

2 . The door operation management system according to claim 1 , wherein the processing circuitry is further configured to cause the door operation management system to:
store at least any of the at least first air pressure data ( 1 ap ), the at least second air pressure data ( 2 ap ) and the at least first air pressure difference data ( 1 apdd ) together with a time stamp data in a memory.

3 . The door operation management system according to claim 1 , wherein the processing circuitry is further configured to cause the door operation management system to:
obtain an indication of an open state or a closed state of the door and in accordance with a determination that the door is in the open state, use the control signal (CS) to generate an alarm for alerting that the door is open; and in accordance with a determination that the door is in the closed state, use the control signal (CS) to generate a maintenance signal (MS) for indicating a need for maintenance of the door.

4 . The door operation management system according to claim 1 , wherein the processing circuitry is further configured to cause the door operation management system to:
send the control signal (CS) to a door actuator device configured to close and/or open the door.

5 . The door operation management system according to claim 4 , wherein the processing circuitry is further configured to cause the door operation management system to:
determine, based on the at least first air pressure data ( 1 ap ) and the at least second air pressure data ( 2 ap ), a relative force applied onto the door, for controlling the door actuator device to close and/or open the door dependent on the relative force.

6 . The door operation management system according to claim 1 , wherein the door operation management system comprises a plurality of doors and each door is connected to the door operation management system via a communication network.

7 . The door operation management system according to claim 1 , wherein the control signal (CS) configured to be received by a facility management system for controlling the ventilation of the room.

8 . A method for controlling the operation of a door to a room, the method comprising:
obtaining at least a first air pressure data ( 1 ap ) based on an air pressure on the inside of the door; obtaining at least a second air pressure data ( 2 ap ) based on the air pressure on the outside of the door, wherein a closed state the door seals or partially seals space on the inside of the from the space on the outside of the room; determining at least a first air pressure difference data ( 1 apdd ) based on the difference between the at least first air pressure data ( 1 ap ) and the at least second air pressure data ( 2 ap ), and in a determination that the at least first air pressure difference data ( 1 apdd ) is outside of a predefined value, or a predefined value interval, generate a control signal (CS) for controlling the operation of the door; and determining a total time, or a number of times, the door has been exposed to least one of the at least first air pressure data ( 1 ap ), the at least second air pressure ( 2 ap ) and the at least first air pressure difference data ( 1 apdd ), and in a determination that the total time, or the number of times, exceeds a predefined time value or a predefined number of times value, generate a maintenance signal (MS) for indicating a need for maintenance of the door.

9 . The method according to claim 8 , further comprising:
storing at least any of the at least first air pressure data ( 1 ap ), the at least second air pressure data ( 2 ap ) and the at least first air pressure difference data ( 1 apdd ) together with a time stamp data in a memory.

10 . The method according to claim 8 , further comprising:
obtaining an indication of an open state or a closed state of the door and in accordance with a determination that the door is in the open state, use the control signal (CS) to generate an alarm for alerting that the door is open; and in accordance with a determination that the door is in the closed state, use the control signal (CS) to generate a maintenance signal (MS) for indicating a need for maintenance of the door.

11 . The method according to claim 8 , further comprising:
sending the control signal (CS) to a door actuator device configured to close and/or open the door.

12 . The method according to claim 8 , further comprising:
determining, based on the at least first air pressure data ( 1 ap ) and the at least second air pressure data ( 2 ap ), a relative force applied on the door for controlling a door actuator device to close and/or open the door.

13 . A computer program product comprising a non-transitory computer readable medium, having thereon a computer program comprising program instructions, the computer program being loadable into a processing circuitry and configured to cause execution of the method according to claim 8 when the computer program is run by the at least one processing circuitry.

Assignees

• Assa Abloy Entrance Systems Ab

Inventors

• Paulsson Stefan
• Lerpard Patrik

Classifications

• E05Y2900/132

  Doors · CPC title

• E05Y2400/458

  for generating service signals · CPC title

• E05Y2900/116

  for sluices · CPC title

• E05F15/77 Primary

  using wireless control · CPC title

• E05F15/70

  with automatic actuation · CPC title