System with Presence Detector, Method with Presence Detector, Presence Detector, Radio Receiver

• US 20100315196A1
• Filed: 07/25/2008
• Published: 12/16/2010
• Est. Priority Date: 08/10/2007
• Status: Abandoned Application

• Current Assignee: EnOcean GmbH
• Original Assignee: EnOcean GmbH
• Inventors: Bach, Christian, Schmidt, Frank, Anders, Armin
• Application Number:
  US12/670,985
• Publication Number:
  US 20100315196A1
• Time in Patent Office: Days
• US Class Current: 340/5.1
• CPC Class Codes: G05B 1/01 electric
• CPC Class Codes: H05B 47/115 by determining the presence or movement of objects or living beings
• CPC Class Codes: H05B 47/13 by using passive infrared detectors
• CPC Class Codes: H05B 47/19 via wireless transmission
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

A system and a method are disclosed with at least one presence detector, wherein the presence detector has a radio transmitter. The system further comprises at least one radio receiver that is constructed in such a manner as to receive and evaluate signals of the presence detector transmitted via radio. The radio receiver further comprises at least one device that acts on downstream units as a function of the evaluation result.

Claims

1-38. -38. (canceled)

39. A system comprising:

a presence detector comprising a presence sensor, a timing element and a first radio transmitter, wherein said presence detector is constructed to transmit at least one first predeterminable signal or one second predeterminable signal by means of said first radio transmitter, wherein said presence sensor is coupled to said first radio transmitter, and said presence sensor triggers the transmission of said first predeterminable signal after a sensed presence, and wherein, after lapse of a predetermined time period after a time point of the last sensed presence, said second predeterminable signal is transmitted;

a terminal for an electrical load;

a radio receiver, which is constructed to couple said terminal by a first switching element to an electrical energy source if said first predeterminable signal is received, or to decouple it from the electrical energy source if said second predeterminable signal is received;

wherein energy for operating the presence detector and its components is supplied from energy available from the environment, and wherein a wireless switch is provided that is constructed to transmit wirelessly and energy-autonomously at least one said first predeterminable signal or one said second predeterminable signal by a second radio transmitter.

40. The system according to claim 39,

wherein the energy for operating the presence detector and its components is supplied by a photoelectric energy converter.

41. The system according to claim 39,

wherein said radio receiver is coupled to a hardwired electromechanical switching element in such a way that a first switch position of a second switching element at said radio receiver generates an input signal that excites said radio receiver to couple the electrical load to said electrical energy source by said first switching element, and a second switch position disconnects the input signal from the radio receiver, so that the electrical load is decoupled from the electrical energy source.

42. The system according to claim 39,

wherein said radio receiver is coupled to a hardwired electromechanical switching element, which is constructed as a momentary contact switch, in such a way that a first switching pulse of said hardwired electromechanical switching element at said radio receiver generates an input signal that excites said radio receiver to couple the electrical load to said electrical energy source by said first switching element, and wherein a second switching pulse excites the radio receiver to disconnect the electrical load from said electrical energy source, by said first switching element.

43. The system according to claim 39, comprising:

a wireless switch that is constructed to transmit wirelessly and energy-autonomously at least one first predeterminable signal or one second predeterminable signal by a second radio transmitter.

44. The system according to claim 43,

wherein said wireless switch comprises an actuating element which is coupled to an electromechanical energy converter in such a way that a mechanical force exerted on said actuating element is converted at said energy converter into electrical energy, wherein the electrical energy is conducted to said second radio transmitter.

45. The system according to claim 44, wherein said wireless switch comprises a first actuation sensor that senses an actuation of said actuating element in a first direction, and a second actuation sensor that senses an actuation of said actuating element in a second direction.

46. The system according to claim 45, wherein said first predeterminable signal is transmitted in case of a response of said first actuation sensor, or said second predeterminable signal is transmitted in case of a response of said second actuation sensor.

47. The system according to claim 39, wherein said presence detector comprises:

a storage element for storing electrical energy;

a control unit for encoding the detected presence;

a detector circuit that activates said control circuit in the presence of a predeterminable electrical signal at said presence sensor and deactivates it after the decay of the electrical signal; and

a photovoltaic element to which said storage element is connected for supplying power to said presence detector.

48. The system according to claim 47, wherein said detector circuit is operated in a pulsed mode, wherein an off-phase is longer than an on-phase.

49. The system according claim 47, wherein said storage element is a capacitor and/or an electrochemical energy accumulator.

50. The system according to claim 47, wherein said presence sensor is an infrared sensor.

51. The system according to claim 47, wherein said infrared sensor is equipped with a lens for concentrating the infrared radiation fields.

52. A system comprising:

a presence detector comprising a presence sensor and a first radio transmitter, wherein said presence detector is constructed to send at least one first predeterminable signal by said first radio transmitter, and wherein said presence sensor is coupled to said first radio transmitter, and said presence sensor triggers the transmitting of said first predeterminable signal after a sensed presence;

a terminal for an electrical load;

a radio receiver with a timing element, which is constructed to couple said terminal by a first switching element to an electrical energy source if said first predeterminable signal is received, and which is constructed to decouple said terminal by said first switching element from the electrical energy source after the lapse of a predeterminable time period after a time point of the last reception of said first predeterminable signal; and

a wireless switch that is constructed to transmit wirelessly and energy-autonomously at least one said first predeterminable signal or one second predeterminable signal by a second radio transmitter,

wherein energy for operating the presence detector and its components is supplied from energy available from the environment.

53. The system according to claim 52, wherein the energy for operating the presence detector and its components is supplied by a photoelectric energy converter.

54. The system according to claim 52, wherein said radio receiver is coupled to a hardwired electromechanical switching element in such a way that a first switch position of a second switching element at said radio receiver generates an input signal that excites the radio receiver to couple the electrical load by said first switching element to the electrical energy source, and a second switch position disconnects the input signal from the radio receiver so that the electrical load is decoupled from the electrical energy source.

55. The system according to claim 52, wherein said radio receiver is coupled to a hardwired electromechanical switching element, which is constructed as a momentary contact switch, in such a way that a first switching pulse at the radio receiver causes the electrical load to be coupled to the electrical energy source by said first switching element, and a second switching pulse causes the electrical load to be decoupled from the electrical energy source.

56. The system according to claim 52, comprising a wireless switch that is constructed to transmit, wirelessly and energy-autonomously, at least one first predeterminable signal or one second predeterminable signal by a second radio transmitter.

57. The system according to claim 56, wherein said wireless switch comprises an actuating element that is coupled to an electromechanical energy converter in such a way that a mechanical force exerted on said actuating element is converted at said energy converter into electrical energy, wherein the electrical energy is conducted to said second radio transmitter.

58. The system according to claim 57, wherein said wireless switch comprises a first actuation sensor that senses an actuation of said actuating element in a first direction, and a second actuation sensor that senses an actuation of said actuating element in a second direction.

59. The system according to claim 58, wherein said first predeterminable signal is transmitted in case of a response of said first actuation sensor.

60. The system according to claim 53, wherein said presence detector comprises:

a storage element restoring electrical energy;

a control unit for encoding the detected presence;

a detector circuit that activates control circuit in the presence of a predeterminable electrical signal at said presence sensor and deactivates it after decay of the electrical signal; and

a photovoltaic element to which said storage element is connected for supplying energy to said presence detector.

61. The system according to claim 60, wherein said detector circuit is operated in a pulsed mode, wherein an off-phase is longer than an on-phase.

62. The system according to claim 60, wherein said storage element is a capacitor and/or an electrochemical energy accumulator.

63. The system according to claim 60, wherein said presence sensor is an infrared sensor.

64. The system according to claim 63, wherein the infrared sensor is equipped with a lens for concentrating the infrared radiation fields.

65. A method for use with a presence detector comprising:

transmitting a first predeterminable signal after a sensed presence;

coupling a terminal for an electrical load by a radio receiver to an electrical energy source by a switching element when the first predeterminable signal is received; and

after lapse of a predetermined time period following the time of the last reception of the first predeterminable signal, decoupling the terminal by the switching element from the electrical energy source;

supplying energy for operating the presence detector and its components from energy available from the environment; and

providing at least one first predeterminable signal or one second predeterminable signal energy-autonomously by a wireless switch.

66. A method for use with a presence detector comprising:

transmitting a first predeterminable signal after a sensed presence, and transmitting a second predeterminable signal after lapse of a predetermined time period following the last sensed presence;

coupling a terminal for an electrical load by a radio receiver to an electrical energy source by a switching element when the first predeterminable signal is received;

decoupling the terminal from the electrical energy source by the switching element after reception of the second predeterminable signal;

supplying energy for operating the presence detector and its components from the energy available from the environment; and

providing at least one said first predeterminable signal or one said second predeterminable signal energy-autonomously by a wireless switch.

67. A presence detector comprising a presence sensor, a timing element and a first radio transmitter, wherein said presence detector is constructed to transmit at least one first predeterminable signal or one second predeterminable signal by said first radio transmitter,

wherein said presence sensor is coupled to said first radio transmitter, and said presence sensor triggers the transmitting of said first predeterminable signal after a sensed presence, and

wherein, after the lapse of a predeterminable time period after a time point of the last sensed presence, said second predeterminable signal is transmitted.

68. The presence detector according to claim 67, wherein said presence detector comprises:

a storage element for storing electrical energy;

a control unit for encoding the detected presence;

a detector circuit that activates a control circuit in the presence of a predeterminable electrical signal at said presence sensor and deactivates it after decay of the electrical signal; and

a photovoltaic element to which said storage element is connected for supplying power to said presence detector, wherein said photovoltaic element is dimensioned smaller than is required for a direct operation of said presence detector.

69. The presence detector according to claim 68, wherein said detector circuit is operated in a pulsed mode, wherein an off-phase is longer than an on-phase.

70. The presence detector according to claim 68, wherein said storage element is a capacitor and/or an electrochemical energy accumulator.

71. The presence detector according to claim 68, wherein said presence sensor is an infrared sensor.

72. The presence detector according to claim 71, wherein said infrared sensor is equipped with a lens for concentrating the infrared radiation fields.

73. The presence detector according to claim 71, wherein the first and/or second radio transmitter has a very short settling time.

74. The presence detector according to claim 68, wherein a surface wave resonator is the frequency-determining component of said first radio transmitter.

75. The presence detector according to claim 68, wherein said first radio transmitter transmits with a high bandwidth.

76. A radio receiver with a timing element, wherein the receiver is constructed to couple a terminal by a first switching element to an electrical energy source if a first predeterminable signal is received, and to decouple the terminal by the first switching element from the electrical energy source after the lapse of a predetermined time period following the last reception of the first predeterminable signal.

77. The radio receiver according to claim 76, wherein the radio receiver is coupled to a hardwired electromechanical switching element in such a way that a first switch position of a second switching element at the radio receiver generates an input signal that excites the radio receiver to couple the terminal to the electrical energy source by the first switching element,

and a second switch position disconnects the input signal from the radio receiver, so that the terminal is decoupled from the electrical energy source.

78. The radio receiver according to claim 76, wherein the radio receiver is coupled to a hardwired electromechanical switching element, which is constructed as a momentary contact switch, in such a way that a first switching pulse of the hardwired electromechanical switching element generates an input signal at the radio receiver that excites the radio receiver to couple the terminal by the first switching element to the electrical energy source, and a second switching pulse excites the radio receiver to disconnect the terminal from the electrical energy source.