Electrical system for controlling at least one gate or door or similar element of the type moved electrically

• US 20050179319A1
• Filed: 06/02/2003
• Published: 08/18/2005
• Est. Priority Date: 06/06/2002
• Status: Active Grant

• Current Assignee: Nice S.p.A. (Nice Group SpA)
• Original Assignee: Nice S.p.A. (Nice Group SpA)
• Inventors: Tomasella, Sergio, Marchetto, Oscar, Cuzziol, Fulvio, Sandrin, Luigi
• Granted Patent: US 7,091,687 B2
• Time in Patent Office: Days
• US Class Current: 307/1
• 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 15/70 with automatic actuation
• CPC Class Codes: E05Y 2400/822 Light emitters, e.g. light emitting diodes [LED]
• CPC Class Codes: E05Y 2400/83 Travel information display
• CPC Class Codes: G05B 19/042 using digital processors G05B19/05 takes precedence
• CPC Class Codes: G05B 2219/25132 Superposition data signals on power lines for actuators
• CPC Class Codes: G05B 2219/25163 Transmit twice, redundant, same data on different channels, check each channel
• CPC Class Codes: G05B 2219/2628 Door, window

Abstract

The electrical system for controlling at least one gate or door similar element of the type moved by means of at least one corresponding electric motor comprises an electric network (NTWRK) consisting of two electric wires adapted to allow the distribution of direct-current power supply and digital information, a central control unit (UC) having two terminals (T1, T2) adapted to be connected respectively but indifferently to the two wires of the network (NTWRK) in order to transmit direct current power supply and to transmit and receive digital information, a certain number of peripheral units (UP), each having two terminals (T1, T2) adapted to be connected respectively but indifferently to the two wires of the network (NTWRK) in order to receive direct-current power supply and to receive and/or transmit digital information.

Claims

1. Electrical system for controlling at least one gate or door or similar element of the type moved by means of at least one corresponding electric motor, comprising:

a) an electric network consisting of two electric wires adapted to allow distribution of power supply and digital information;

b) a central control unit having two terminals adapted to be connected respectively but indifferently to the two wires of the network in order to transmit direct-current power supply and to transmit and receive digital information;

c) three or more peripheral units, each having two terminals adapted to be connected respectively but indifferently to the two wires of the network in order to receive direct-current power supply and to receive and/or transmit digital information;

wherein one of the peripheral units is adapted to be electrically connected to an electric motor for controlling operation thereof;

wherein one of the peripheral units is adapted to be electrically connected to a device for entering requests of movement of the gate or door or similar element;

wherein one of the peripheral units is adapted to be electrically connected to a safety device for gates or doors or similar elements.

4. Electrical system according to claim 1, wherein the central unit comprises a voltage generator circuit having an output coupled to one of its two terminals and adapted to generate a direct supply voltage, and a modulating circuit coupled between said output and said terminal and adapted to modulate the direct supply voltage through digital information.

5. System according to claim 4, wherein the central unit comprises a current detection circuit having an input coupled to another one of its two terminals and adapted to extract digital information from the current at its input.

6. System according to claim 1, wherein each of the peripheral units comprises a polarity adapter circuit having two inputs and two outputs, the two inputs being coupled respectively to its two terminals.

7. System according to claim 6, wherein each of the peripheral units comprises a power supply circuit having inputs coupled respectively to the outputs of the polarity adapter circuit.

8. System according to claim 6, wherein each of the peripheral units comprises a voltage detection circuit having inputs coupled respectively to the outputs of the polarity adapter circuit and adapted to extract digital information from the voltage at its inputs.

9. System according to claim 6, wherein each of the peripheral units comprises a load circuit having outputs coupled respectively to the outputs of the polarity adapter circuit and adapted to load it according to digital information.

10. System according to claim 1, wherein each of the peripheral units comprises memory means adapted to store an own unit identification code.

11. System according to claim 10, wherein, for the safety devices consisting of a transmitting section and a receiving section, two associated peripheral units are provided, said units being adapted to be connected respectively to the transmitting section and to the receiving section and being identified by the same unit identification code.

12. System according to claim 1, adapted to establish communication between central unit and peripheral units through exchange of packets of digital information according to the “

master-slave”

technique wherein the central unit operates as “

master” and

the peripheral units operate as “

slaves”

.

13. System according to claim 12, wherein the central unit is adapted to transmit packets on the network at a fixed and predetermined rate.

14. System according to claim 13, wherein the destination of the transmission of a packet by the central unit is a peripheral unit chosen on the basis of predetermined criteria.

15. System according to claim 13, wherein at least one of the peripheral units is adapted to extract timing information from the fixed-rate transmission of packets by the central unit.

16. System according to claim 12, wherein the structure of the packets transmitted on the network by the peripheral units is fixed and comprises a data part and a check part.

17. System according to claim 16, wherein the data part and the check part have the same length and wherein the check part is the result of an EXCLUSIVE-OR operation between the data part and a random digital sequence having the same length.

18. System according to claim 12, wherein the central unit is adapted to perform, during starting and re-starting of the system, identification of all the active peripheral units connected to the network through exchange of packets.

19. System according to claim 12, wherein the central unit is adapted to perform, repeatedly during operation of the system, identification of all the active peripheral units connected to the network through exchange of packets in order to identify faults in the system.

20. System according to claim 1, wherein the central unit is adapted to transmit twice the same digital information to the same peripheral unit on the basis of predetermined criteria.

21. System according to claim 1, wherein any or each peripheral unit is adapted to transmit digital information to the central unit every time it receives digital information destined for it from the central unit.

22. System according to claim 1, comprising a first peripheral unit adapted to be electrically connected to the transmitting section of a safety device, a second peripheral unit adapted to be electrically connected to the receiving section of said safety device, said first and second peripherals units being adapted to extract timing information from the fixed-rate packets transmission by the central unit and being further adapted to activate the corresponding sections for a time period of predetermined duration and on the basis of said timing information.

23. System according to claim 22, comprising a third peripheral unit adapted to be electrically connected to the transmitting section of another safety device, a fourth peripheral unit adapted to be electrically connected to the receiving section of said other safety device, said third and fourth peripheral units being adapted to extract timing information from the fixed-rate packets transmission by the central unit and being further adapted to activate the corresponding sections for another time period of predetermined duration and on the basis of said timing information, wherein said time period and said other time period do not overlap each other temporally.

2. Electrical system for controlling at least one gate or door or similar element of the type moved by means of at least one corresponding electric motor, comprising:

a) an electric network consisting of two electric wires adapted to allow distribution of power supply and digital information;

b) a central control unit having two terminals adapted to be connected respectively but indifferently to the two wires of the network in order to transmit direct-current power supply and to transmit and receive digital information;

c) two or more peripheral units, each having two terminals adapted to be connected respectively but indifferently to the two wires of the network in order to receive direct-current power supply and to receive and/or transmit digital information;

wherein the central unit is adapted to be electrically connected to an electric motor for controlling operation thereof and/or to a device for entering requests of movement of the gate or door or similar element and/or to a safety device for gates or doors or similar elements;

wherein a peripheral unit is adapted to be electrically connected to an electric motor for controlling operation thereof and/or to a device for entering requests of movement of the gate or door or similar element and/or to a safety device for gates or doors or similar elements;

wherein another peripheral unit is adapted to be electrically connected to an electric motor for controlling operation thereof and/or to a device for entering requests of movement of the gate or door or similar element and/or to a safety device for gates or doors or similar elements.

24. Electrical system according to claim 2, wherein the central unit comprises a voltage generator circuit having an output coupled to one of its two terminals and adapted to generate a direct supply voltage, and a modulating circuit coupled between said output and said terminal and adapted to modulate the direct supply voltage through digital information.

26. System according to claim 24, wherein the central unit comprises a current detection circuit having an input coupled to another one of its two terminals and adapted to extract digital information from the current at its input.

28. System according to claim 2, wherein each of the peripheral units comprises a polarity adapter circuit having two inputs and two outputs, the two inputs being coupled respectively to its two terminals.

30. System according to claim 28, wherein each of the peripheral units comprises a power supply circuit having inputs coupled respectively to the outputs of the polarity adapter circuit.

32. System according to claim 28, wherein each of the peripheral units comprises a voltage detection circuit having inputs coupled respectively to the outputs of the polarity adapter circuit and adapted to extract digital information from the voltage at its inputs.

34. System according to claim 28, wherein each of the peripheral units comprises a load circuit having outputs coupled respectively to the outputs of the polarity adapter circuit and adapted to load it according to digital information.

36. System according to claim 2, wherein each of the peripheral units comprises memory means adapted to store an own unit identification code.

38. System according to claim 36, wherein, for the safety devices consisting of a transmitting section and a receiving section, two associated peripheral units are provided, said units being adapted to be connected respectively to the transmitting section and to the receiving section and being identified by the same unit identification code.

40. System according to claim 2, adapted to establish communication between central unit and peripheral units through exchange of packets of digital information according to the “

master-slave”

technique wherein the central unit operates as “

master” and

the peripheral units operate as “

slaves”

.

42. System according to claim 40, wherein the central unit is adapted to transmit packets on the network at a fixed and predetermined rate.

44. System according to claim 42, wherein the destination of the transmission of a packet by the central unit is a peripheral unit chosen on the basis of predetermined criteria.

46. System according to claim 42, wherein at least one of the peripheral units is adapted to extract timing information from the fixed-rate transmission of packets by the central unit.

48. System according to claim 40, wherein the structure of the packets transmitted on the network by the peripheral units is fixed and comprises a data part and a check part.

50. System according to claim 48, wherein the data part and the check part have the same length and wherein the check part is the result of an EXCLUSIVE-OR operation between the data part and a random digital sequence having the same length.

52. System according to claim 40, wherein the central unit is adapted to perform, during starting and re-starting of the system, identification of all the active peripheral units connected to the network through exchange of packets.

54. System according to claim 40, wherein the central unit is adapted to perform, repeatedly during operation of the system, identification of all the active peripheral units connected to the network through exchange of packets in order to identify faults in the system.

56. System according to claim 2, wherein the central unit is adapted to transmit twice the same digital information to the same peripheral unit on the basis of predetermined criteria.

58. System according to claim 2, wherein any or each peripheral unit is adapted to transmit digital information to the central unit every time it receives digital information destined for it from the central unit.

60. System according to claim 2, comprising a first peripheral unit adapted to be electrically connected to the transmitting section of a safety device, a second peripheral unit adapted to be electrically connected to the receiving section of said safety device, said first and second peripherals units being adapted to extract timing information from the fixed-rate packets transmission by the central unit and being further adapted to activate the corresponding sections for a time period of predetermined duration and on the basis of said timing information.

62. System according to claim 60, comprising a third peripheral unit adapted to be electrically connected to the transmitting section of another safety device, a fourth peripheral unit adapted to be electrically connected to the receiving section of said other safety device, said third and fourth peripheral units being adapted to extract timing information from the fixed-rate packets transmission by the central unit and being further adapted to activate the corresponding sections for another time period of predetermined duration and on the basis of said timing information, wherein said time period and said other time period do not overlap each other temporally.

3. Electrical system for controlling at least one gate or door or similar element of the type moved by means of at least one corresponding electric motor, comprising:

a) an electric network consisting of two electric wires adapted to allow distribution of power supply and digital information;

b) a central control unit having two terminals adapted to be connected respectively but indifferently to the two wires of the network in order to transmit direct-current power supply and to transmit and receive digital information;

c) one or more peripheral units, each having two terminals adapted to be connected respectively but indifferently to the two wires of the network in order to receive direct-current power supply and to receive and/or transmit digital information;

wherein the central unit is adapted to be electrically connected to an electric motor for controlling operation thereof and/or to a device for entering requests of movement of the gate or door or similar element and/or to a safety device for gates or doors or similar elements;

wherein a peripheral unit is adapted to be electrically connected to an electric motor for controlling operation thereof and/or to a device for entering requests of movement of the gate or door or similar element and/or to a safety device for gates or doors or similar elements.

25. Electrical system according to claim 3, wherein the central unit comprises a voltage generator circuit having an output coupled to one of its two terminals and adapted to generate a direct supply voltage, and a modulating circuit coupled between said output and said terminal and adapted to modulate the direct supply voltage through digital information.

27. System according to claim 25, wherein the central unit comprises a current detection circuit having an input coupled to another one of its two terminals and adapted to extract digital information from the current at its input.

29. System according to claim 3, wherein each of the peripheral units comprises a polarity adapter circuit having two inputs and two outputs, the two inputs being coupled respectively to its two terminals.

31. System according to claim 29, wherein each of the peripheral units comprises a power supply circuit having inputs coupled respectively to the outputs of the polarity adapter circuit.

33. System according to claim 29, wherein each of the peripheral units comprises a voltage detection circuit having inputs coupled respectively to the outputs of the polarity adapter circuit and adapted to extract digital information from the voltage at its inputs.

35. System according to claim 29, wherein each of the peripheral units comprises a load circuit having outputs coupled respectively to the outputs of the polarity adapter circuit and adapted to load it according to digital information.

37. System according to claim 3, wherein each of the peripheral units comprises memory means adapted to store an own unit identification code.

39. System according to claim 37, wherein, for the safety devices consisting of a transmitting section and a receiving section, two associated peripheral units are provided, said units being adapted to be connected respectively to the transmitting section and to the receiving section and being identified by the same unit identification code.

41. System according to claim 3, adapted to establish communication between central unit and peripheral units through exchange of packets of digital information according to the “

master-slave”

technique wherein the central unit operates as “

master” and

the peripheral units operate as “

slaves”

.

43. System according to claim 41, wherein the central unit is adapted to transmit packets on the network at a fixed and predetermined rate.

45. System according to claim 43, wherein the destination of the transmission of a packet by the central unit is a peripheral unit chosen on the basis of predetermined criteria.

47. System according to claim 43, wherein at least one of the peripheral units is adapted to extract timing information from the fixed-rate transmission of packets by the central unit.

49. System according to claim 41, wherein the structure of the packets transmitted on the network by the peripheral units is fixed and comprises a data part and a check part.

51. System according to claim 49, wherein the data part and the check part have the same length and wherein the check part is the result of an EXCLUSIVE-OR operation between the data part and a random digital sequence having the same length.

53. System according to claim 41, wherein the central unit is adapted to perform, during starting and re-starting of the system, identification of all the active peripheral units connected to the network through exchange of packets.

55. System according to claim 41, wherein the central unit is adapted to perform, repeatedly during operation of the system, identification of all the active peripheral units connected to the network through exchange of packets in order to identify faults in the system.

57. System according to claim 3, wherein the central unit is adapted to transmit twice the same digital information to the same peripheral unit on the basis of predetermined criteria.

59. System according to claim 3, wherein any or each peripheral unit is adapted to transmit digital information to the central unit every time it receives digital information destined for it from the central unit.

61. System according to claim 3, comprising a first peripheral unit adapted to be electrically connected to the transmitting section of a safety device, a second peripheral unit adapted to be electrically connected to the receiving section of said safety device, said first and second peripherals units being adapted to extract timing information from the fixed-rate packets transmission by the central unit and being further adapted to activate the corresponding sections for a time period of predetermined duration and on the basis of said timing information.

63. System according to claim 61, comprising a third peripheral unit adapted to be electrically connected to the transmitting section of another safety device, a fourth peripheral unit adapted to be electrically connected to the receiving section of said other safety device, said third and fourth peripheral units being adapted to extract timing information from the fixed-rate packets transmission by the central unit and being further adapted to activate the corresponding sections for another time period of predetermined duration and on the basis of said timing information, wherein said time period and said other time period do not overlap each other temporally.