STREET LAMP SYSTEM

• US 20100308736A1
• Filed: 12/02/2009
• Published: 12/09/2010
• Est. Priority Date: 06/03/2009
• Status: Abandoned Application

• Current Assignee: Foxsemicon Integrated Technology Incorporated
• Original Assignee: Foxsemicon Integrated Technology Incorporated
• Inventors: HUNG, LUNG-YU, LIN, SHAN-JU
• Application Number:
  US12/629,127
• Publication Number:
  US 20100308736A1
• Time in Patent Office: Days
• US Class Current: 315/149
• CPC Class Codes: H05B 47/22 with communication between the lamps and a central unit

Abstract

An exemplary street lamp system includes a monitoring center, a first street lamp, a first sensor, a first signal receiving unit, a first signal sending unit, and a first power management unit. The monitoring center is configured for sending a monitoring signal. The first sensor is configured for detecting an operating state of the first street lamp and generating a first detection signal. The first signal receiving unit is configured for receiving the monitoring signal. The first signal sending unit selectively operates in a power-on state where the first signal sending unit sends a feedback signal to the monitoring center based on the monitoring signal, or a power-off state where the first signal sending unit does not send the feedback signal to the monitoring center. The first power management unit is configured for switching the first signal sending unit to the power-off state in response to the first detection signal.

Claims

1. A street lamp system, comprising:

a monitoring center for sending a monitoring signal;

a first street lamp;

a first sensor configured for detecting an operating state of the first street lamp and generating a first detection signal associated with the operating state;

a first signal receiving unit configured for receiving the monitoring signal;

a first signal sending unit selectively operating in a first power-on state where the first signal sending unit sends a feedback signal to the monitoring center in response to the monitoring signal, or a first power-off state where the first signal sending unit does not send the feedback signal to the monitoring center; and

a first power management unit configured for switching the first signal sending unit to the first power-off state in response to the first detection signal.

2. The street lamp system of claim 1, wherein the first sensor comprises at least one of a thermal sensor and a photo sensor.

3. The street lamp system of claim 1, wherein the first sensor comprises a current sensor.

4. The street lamp system of claim 3, further comprising a plurality of second street lamps, the first and the second street lamps connected in series, and each of the first and the second street lamps connected in parallel to the first sensor.

5. The street lamp system of claim 1, further comprising:

a plurality of second street lamps;

a plurality of second sensors each configured for detecting an operating state of a corresponding second street lamp and thereby generating a second detection signal associated with the operating state;

a plurality of second signal sending units, each of the second signal sending units selectively operating in a second power-on state where the second signal sending unit sends a control signal to the first power management unit, or a second power-off state where the second signal sending unit does not send the control signal to the first power management unit; and

a plurality of second power management units, each of the second power management units configured for switching a corresponding second signal sending unit to the second power-off state in response to the second detection signal.

6. The street lamp system of claim 5, wherein the first power management unit is configured to control the first signal sending unit to operate in the first power-on state when no first detection signal is received, and the second power management unit is configured to control the second signal sending unit to operate in the second power-off state when no second detection signal is received.

7. The street lamp system of claim 5, wherein each of the first and the second sensors comprises at least one of a thermal sensor and a photo sensor.

8. The street lamp system of claim 5, wherein each of the first and the second power management units comprises one of a microcontroller unit and a complex programmable logic device.

9. A street lamp system, comprising:

a monitoring center for sending a monitoring signal;

a first street lamp;

a first sensor configured for detecting an operating state of the first street lamp and generating a first detection signal associated with the operating state;

a first signal receiving unit configured for receiving the monitoring signal;

a first signal sending unit selectively operating in a first power-on state where the first signal sending unit sends a feedback signal to the monitoring center in response to the monitoring signal, or a first power-off state where the first signal sending unit does not send the feedback signal to the monitoring center;

a first power management unit configured for switching the first signal sending unit to the first power-off state in response to the first detection signal; and

a plurality of second street lamps;

a plurality of second sensors each configured for detecting an operating state of a corresponding second street lamp and thereby generating a second detection signal associated with the operating state;

a plurality of second signal sending units, each of the second signal sending units selectively operating in a second power-on state where the second signal sending unit sends a control signal to the first power management unit, or a second power-off state where the second signal sending unit does not send the control signal to the first power management unit;

a plurality of second power management units, each of the second power management units configured for switching a second signal sending unit to the second power-off state in response to the second detection signal.

10. The street lamp system of claim 9, wherein the first power management unit is configured to control the first signal sending unit to operate in the first power-on state when no first detection signal is received, and the second power management unit is configured to control the second signal sending unit to operate in the second power-off state when no second detection signal is received.

11. The street lamp system of claim 9, wherein each of the first and the second sensors comprises at least one of a thermal sensor and a photo sensor.

12. The street lamp system of claim 9, wherein each of the first and the second power management units comprises one of a microcontroller unit and a complex programmable logic device.