Mechanism for remote safety monitoring sensor with low-power consumption communication

• US 9,807,476 B2
• Filed: 04/05/2016
• Issued: 10/31/2017
• Est. Priority Date: 04/08/2015
• Status: Active Grant

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Hu, Junqiang, Wang, Ting
• Primary Examiner(s): Dsouza, Adolf
• Application Number:
  US15/090,653
• Publication Number:
  US 20160301993A1
• Time in Patent Office: 574 Days
• Field of Search: None
• CPC Class Codes: H04Q 2209/10 using a centralized architecture
• CPC Class Codes: H04Q 2209/40 using a wireless architecture
• CPC Class Codes: H04Q 2209/823 where the data is sent when the measured values exceed a threshold, e.g. sending an alarm
• CPC Class Codes: H04Q 2209/883 where the sensing device enters an active or inactive mode
• CPC Class Codes: H04Q 9/00 Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Abstract

Disclosed is a sensing platform including a server; one or more remote sensing systems coupled to the server, one or more local sensor(s) for target object monitoring; a wireless module coupled to a network through wireless a link; and a processor to read data from local sensor(s) and communicate information through the network using the wireless module. The sensing system has a low power consumption mode in which the processor puts the wireless module and the local sensor(s) in sleep mode or powered off. The processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, and the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>T1, and the server receives monitored value from remote sensing systems and interacts with the remote sensing system.

Claims

1. A sensing platform, comprising:

a server;

one or more remote sensing systems coupled to the central server, including;

one or more local sensor(s) for target object monitoring;

a wireless module coupled to a network through wireless a link; and

a processor to read data from local sensor(s), and communicate information through the network using the wireless module, wherein the sensing system has a low power consumption mode where the processor puts the wireless module and the local sensor(s) in sleep mode or powered off, wherein the processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, wherein the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>

T1, wherein the server receives monitored value from remote sensing systems and interacts with the remote sensing system;

wherein the sensing system detects a second threshold Th2, that if a detected value is above Th2, the sensing system enters alarm state and sends alarm message to server; and

wherein the sensing system exits alarm state to intermediate state when receives instruction from server.

2. A sensing platform, comprising:

a server;

one or more remote sensing systems coupled to the central server, including;

one or more local sensor(s) for target object monitoring;

a wireless module coupled to a network through wireless a link; and

a processor to read data from local sensor(s), and communicate information through the network using the wireless module, wherein the sensing system has a low power consumption mode where the processor puts the wireless module and the local sensor(s) in sleep mode or powered off, wherein the processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, wherein the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>

T1, wherein the server receives monitored value from remote sensing systems and interacts with the remote sensing system;

wherein the sensing system detects a second threshold Th2, that if a detected value is above Th2, the sensing system enters alarm state and sends alarm message to server; and

wherein the sensing system exits from intermediate state when detected value is below threshold Th3 or a timer expiration.

3. A sensing platform, comprising:

a server;

one or more remote sensing systems coupled to the central server, including;

one or more local sensor(s) for target object monitoring;

a wireless module coupled to a network through wireless a link; and

a processor to read data from local sensor(s), and communicate information through the network using the wireless module, wherein the sensing system has a low power consumption mode where the processor puts the wireless module and the local sensor(s) in sleep mode or powered off, wherein the processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, wherein the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>

T1, wherein the server receives monitored value from remote sensing systems and interacts with the remote sensing system;

wherein the sensing system enters an alert state when a detected value is in between Th1 and Th2; and

wherein the sensing system enters an alert state, receives N value in period P and performs local analysis.

4. A sensing platform, comprising:

a server;

one or more remote sensing systems coupled to the central server, including;

one or more local sensor(s) for target object monitoring;

a wireless module coupled to a network through wireless a link; and

a processor to read data from local sensor(s), and communicate information through the network using the wireless module, wherein the sensing system has a low power consumption mode where the processor puts the wireless module and the local sensor(s) in sleep mode or powered off, wherein the processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, wherein the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>

T1, wherein the server receives monitored value from remote sensing systems and interacts with the remote sensing system;

wherein the sensing system enters an alert state when a detected value is in between Th1 and Th2; and

wherein the sensing system outputs a trend with a constant value or decreased value and the sensing system updates threshold Th1 and returns to a normal state.

5. A sensing platform, comprising:

a server;

one or more remote sensing systems coupled to the central server, including;

one or more local sensor(s) for target object monitoring;

a wireless module coupled to a network through wireless a link; and

a processor to read data from local sensor(s), and communicate information through the network using the wireless module, wherein the sensing system has a low power consumption mode where the processor puts the wireless module and the local sensor(s) in sleep mode or powered off, wherein the processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, wherein the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>

T1, wherein the server receives monitored value from remote sensing systems and interacts with the remote sensing system;

wherein the sensing system enters an alert state when a detected value is in between Th1 and Th2; and

wherein the sensing system outputs a trend with an increased value, and an increasing slope is larger than a predetermined value, then the sensing system activates the wireless module and sends alarm to the server.

6. A sensing platform, comprising:

a server;

one or more remote sensing systems coupled to the central server, including;

one or more local sensor(s) for target object monitoring;

a wireless module coupled to a network through wireless a link; and

a processor to read data from local sensor(s), and communicate information through the network using the wireless module, wherein the sensing system has a low power consumption mode where the processor puts the wireless module and the local sensor(s) in sleep mode or powered off, wherein the processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, wherein the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>

T1, wherein the server receives monitored value from remote sensing systems and interacts with the remote sensing system; and

wherein a difference from last reports exceeds a predetermined threshold, then the sensing system activates wireless link and sends alarm to server.

7. A sensing platform, comprising:

a server;

one or more remote sensing systems coupled to the central server, including;

one or more local sensor(s) for target object monitoring;

a wireless module coupled to a network through wireless a link; and

a processor to read data from local sensor(s), and communicate information through the network using the wireless module, wherein the sensing system has a low power consumption mode where the processor puts the wireless module and the local sensor(s) in sleep mode or powered off, wherein the processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, wherein the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>

T1, wherein the server receives monitored value from remote sensing systems and interacts with the remote sensing system;

wherein the sensing system enters an alert state when a detected value is in between Th1 and Th2; and

wherein in an alert state, if the trend shows constant or decreased value, the sensing system updates a threshold and returns to normal state.