CN109427175B - Monitoring system for monitoring whether a moving object exceeds a boundary and method thereof - Google Patents
Monitoring system for monitoring whether a moving object exceeds a boundary and method thereof Download PDFInfo
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- CN109427175B CN109427175B CN201710729854.7A CN201710729854A CN109427175B CN 109427175 B CN109427175 B CN 109427175B CN 201710729854 A CN201710729854 A CN 201710729854A CN 109427175 B CN109427175 B CN 109427175B
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- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
- G08B21/088—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water by monitoring a device worn by the person, e.g. a bracelet attached to the swimmer
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Abstract
The present invention provides a monitoring system for monitoring whether a mobile body exceeds a boundary, comprising: a sensing device, which is worn on the moving body and is provided with a first position module, wherein the first position module generates a first position signal according to the position of the sensing device; and a positioning device connected with the wireless signal of the sensing device, wherein the positioning device is provided with an operation module, a second position module, a sensing module and a warning module, the positioning device receives the first position signal, the operation module sets a boundary, the second position module generates a second position signal according to the position of the positioning device, the sensing module judges whether the sensing device exceeds the boundary according to the first position signal and the second position signal, and the warning module sends out a warning signal.
Description
Technical Field
The present invention relates to a monitoring system and method thereof, and more particularly, to a monitoring system and method thereof for monitoring whether a mobile object is beyond a boundary.
Background
U.S. Pat. No. 5,792,0066 discloses a position calibration device with alarm function, wherein the monitoring device stores the boundary coordinate position of the monitoring area, the animal to be monitored in the monitoring area is equipped with a positioning device, the position of the animal with the positioning device is detected by satellite positioning, and the alarm is given when the animal approaches the boundary.
However, the monitoring area and its boundary are fixed, and can only detect and warn for the fixed monitoring area, and cannot be used for monitoring the moving carrier, for example: when the moving carrier is a cruise ship and the cruise ship is moving continuously, the monitoring area relative to the cruise ship is not fixed, so the monitoring device can not be used for detecting whether the personnel on the cruise ship falls into the sea beyond the boundary.
Furthermore, for example, if it is necessary to monitor whether the personnel on the cruise ship has a sea-falling situation, taiwan patent No. 200849152 discloses a crew rescue system, which utilizes a plurality of transmitters installed around the ship, and the sensing areas of the transmitters do not overlap, and each personnel is equipped with a sensor, and the sensor receives the position signal of the transmitter, and when the sensor determines that the personnel has a sea, the sensor transmits the position signal of the last transmitter received by the sensor to the receiver, and the receiver sends out a warning signal.
However, the receiver can only know the last position of the sensor and cannot know the exact position of the person on the sea, and the receiver of the alarm monitoring end is in a passive monitoring mode and cannot actively monitor whether the sensor is beyond the range of the ship and immediately send out an alarm signal, so that an effective and accurate monitoring effect cannot be achieved.
Disclosure of Invention
In order to solve the above problems, the present invention provides a monitoring system for monitoring whether a mobile body exceeds a boundary, wherein a positioning device is used to set the boundary, a sensing device is mounted on the mobile body in the boundary, the positioning device determines whether the sensing device exceeds the boundary according to a first position signal of the sensing device and a second position signal of the positioning device, and sends out a warning signal when the sensing device exceeds the boundary, so that the monitoring system can be applied to fixed and non-fixed monitoring areas, and the application range is wider; and the positioning device actively and accurately detects the position of the moving body, and when the moving body exceeds the boundary, the warning signal can be sent out so as to improve the monitoring and protection effects.
The present invention provides a monitoring system for monitoring whether a mobile body exceeds a boundary, comprising: a sensing device, which is worn on the moving body and has a wireless transmitting module and a first position module, wherein the first position module generates a first position signal according to the position of the sensing device; and a positioning device connected with the sensing device by signals, wherein the positioning device is provided with a wireless receiving module, an operation module, a second position module, a sensing module and an alarm module, the wireless receiving module is connected with the wireless transmitting module by signals and receives the first position signal, the operation module sets a boundary, the second position module generates a second position signal according to the position of the positioning device, the sensing module judges whether the sensing device exceeds the boundary according to the first position signal and the second position signal, and the alarm module sends out an alarm signal.
In one embodiment of the present invention, the positioning device is fixed on a carrier for carrying the moving object, the operation module calculates the carrying range of the carrier to set the boundary, and the sensing module calculates the relative position between the sensing device and the positioning device according to the first position signal and the second position signal, and determines whether the sensing device exceeds the boundary.
In one embodiment of the present invention, the carrier is a ship, the mobile body is a person, the sensing device has an acceleration sensing module, the sensing module receives an acceleration signal from the acceleration sensing module, the sensing module sets a threshold, the acceleration signal exceeds the threshold, and the warning module sends a warning signal when the sensing device exceeds the boundary.
In one embodiment of the present invention, the carrier is a vehicle body, the number of the sensing devices is plural, and the warning module sends out a warning signal when one of the sensing devices is not located within the boundary.
In one embodiment of the present invention, the positioning device is disposed at the center of the carrier, the first position signal and the second position signal are coordinate values, and the second position signal is an origin coordinate.
In an embodiment of the invention, the operation module uses the positioning device as a two-dimensional center, sets the distance ranges from 0 degree to 360 degrees one by one, and integrates to form the boundary.
In one embodiment of the present invention, the wireless transmission module is bluetooth, wifi or LPWAN.
One embodiment of the present invention provides a method for monitoring whether a mobile body exceeds a boundary, comprising the following steps: a carrier for carrying the moving body, a boundary being set according to a carrying range of the carrier; generating a first position signal according to the position of the moving object; generating a second position signal according to the position of the carrier; calculating the relative position of the moving object and the carrier according to the first position signal and the second position signal, and determining whether the moving object exceeds the boundary; and sending out a warning signal when the moving object exceeds the boundary.
In one embodiment of the present invention, the mobile body generates an acceleration signal during the moving process, and the warning signal is sent out when the acceleration signal exceeds a threshold value and the mobile body exceeds a boundary.
By the above, the present invention can achieve the effect that the positioning device sets the boundary of the carrier, the moving body is provided with the sensing device, the positioning device can confirm the relative position between the sensing device and the positioning device according to the first position signal of the sensing device and the second position signal of the positioning device, judge whether the sensing device exceeds the boundary, and send out the warning signal when exceeding the boundary, so that the relative position between the positioning device and the sensing device is not changed no matter how the carrier moves, therefore, the present invention can be applied to fixed and non-fixed monitoring areas, and the application range is wider.
Moreover, the position of the moving object can be actively detected by the positioning device, and the disadvantage of known passive receiving position signals is improved, so that when the moving object exceeds the boundary, the warning signal can be sent out, and the position of the sensing device after exceeding the boundary can be quickly and accurately known by the first position signal of the sensing device, thereby effectively improving the monitoring and protecting effect.
In addition, in order to further confirm whether the moving object is out of the boundary, the acceleration signal generated by the acceleration sensing module of the sensing device can be used for confirmation, if the acceleration signal exceeds the threshold value and the sensing device also exceeds the boundary, the moving object can be confirmed to exceed the boundary, thereby effectively improving the monitoring accuracy of the invention by a double confirmation mode.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view (I) of the embodiment of the present invention in which the carrier is a ship body, showing a moving body within a boundary.
FIG. 3 is a schematic diagram of an embodiment of the present invention in which the carrier is a ship, showing a moving body beyond the boundary.
FIG. 4 is a schematic diagram (I) of an embodiment of the present invention in which the vehicle body is a car body, showing a moving body beyond the boundary.
FIG. 5 is a top view of FIG. 4.
Reference numerals
Mobile body 1
Boundary 3
Wireless transmitting module 11
First position module 12
Acceleration sensing module 13
Wireless receiving module 21
The second position module 22
Operation module 23
Sensing module 24
Warning module 25
Detailed Description
To facilitate the explanation of the present invention, the central idea shown in the above summary is expressed in terms of specific embodiments. The various objects of the embodiments are depicted in terms of scale, dimensions, amounts of distortion or displacement suitable for illustration, rather than in terms of actual elements.
Referring to fig. 1 to 5, the present invention provides a monitoring system for monitoring whether a mobile object is out of bounds, comprising:
an induction device 10, which is worn on the moving body 1, wherein the moving body 1 is a human or an animal. The sensing device 10 has a wireless transmitting module 11 and a first position module 12, the first position module 12 generates a first position signal according to the position of the sensing device 10. In the embodiment of the present invention, the first position module 12 is a GPS positioning module, and the first position signal is a coordinate value, which is a two-dimensional coordinate (x, y).
Furthermore, the wireless transmission module 11 is an antenna, Bluetooth, wifi or LPWAN, wherein when the wireless transmission module 11 is Bluetooth or wireless network (wifi), the frequency modulation of the wireless transmission module 11 is 2.4GHz to 58 GHz; when the wireless transmission module 11 is a Low Power Wide Area wireless communication technology (LPWAN), the radio frequency of the wireless transmission module 11 is 433MHz to 1.5 GHz; when the wireless transmission module 11 is an antenna, the radio frequency range can be adjusted according to the required transmission distance, so that the transmission distance of the sensing device 10 is not limited.
In addition, the sensing device 10 further has an acceleration sensing module 13, and the acceleration sensing module 13 is used for detecting the motion change of the moving object 1 during the moving process and relatively generating an acceleration signal, wherein in the embodiment of the present invention, the acceleration sensing module 13 is an accelerometer (accelerometer).
A positioning device 20 connected with the sensing device 10 by signal, the positioning device 20 is fixed on a carrier 2 for carrying the moving object 1, the positioning device 20 has a wireless receiving module 21 and a second position module 22, the wireless receiving module 21 is connected with the wireless transmitting module 11 by signal to receive the first position signal, the second position module 22 generates a second position signal according to the position of the positioning device 20.
Furthermore, the second position module 22 is a GPS positioning module, the second position signal is a coordinate value, and the coordinate value is a two-dimensional coordinate (x, y). in the embodiment of the present invention, the positioning device 20 is fixed at the center position of the carrier 2, wherein the center position of the carrier 2 is a two-dimensional space, the boundary point where the long axis distance and the short axis distance of the carrier 2 are perpendicular to each other is taken as the center position of the carrier 2, and the second position signal is regarded as the origin coordinate.
The positioning device 20 has a calculation module 23, the calculation module 23 is used to calculate the carrying range of the carrier 2 to set a boundary 3, the calculation module 23 uses the positioning device 20 as two-dimensional center, respectively sets the distance range from 0 degree to 360 degrees one by one, and integrates to form the boundary 3 of the closed range, in the embodiment of the invention, the moving body 1 can walk along the edge of the carrying range by wearing the sensing device 10, and transmits the first position signal to the calculation module 23 through the first position module 12 of the sensing device 10, the calculation module 23 performs relative and absolute position calculation between the first position signal of the sensing device 10 and the second position signal of the positioning device 20, sets the walking track as the boundary 3, and the carrier 2 provides the moving body 1 to move in the boundary 3.
Furthermore, in another embodiment of the present invention, the operation module 23 uses the positioning device 20 as a center, and gives different radius values at each angle to form a plurality of boundary points, and the operation module 23 connects and integrates each boundary point to form the boundary 3. In the embodiment of the present invention, each angle range can be adjusted according to the requirement, for example: a radius value is given every 0.1 degree, or a radius value is given every 1 degree, and a boundary point formed by giving a radius value every 0.1 degree has higher accuracy in calculating the boundary 3 than a boundary point formed by giving a radius value every 1 degree.
The positioning device 20 has a sensing module 24 and an alarm module 25, the sensing module 24 calculates the relative position between the sensing device 10 and the positioning device 20 according to the first position signal and the second position signal, determines whether the sensing device 10 exceeds the boundary 3, and the alarm module 25 sends an alarm signal when the sensing device 10 exceeds the boundary 3. In the embodiment of the present invention, the sensing module 24 can calculate the relative position between the first position signal and the second position signal through the GPS-RTK positioning or VBS-RTK positioning, so as to further know whether the first position signal exceeds the boundary 3.
Furthermore, the sensing module 24 can receive the acceleration signal of the acceleration sensing module 13, the sensing module 24 is set to have a threshold value, and when the sensing module 24 determines that the acceleration signal exceeds the threshold value and the sensing device 10 exceeds the boundary 3, the warning module 25 sends out a warning signal, so that the monitoring accuracy of the present invention is effectively improved by a double confirmation manner, wherein the threshold value corresponds to the acceleration signal having X, Y and Z-axis values.
Example 1: as shown in fig. 1 to 3, the carrier 2 is a ship body, the mobile body 1 is a person, and when the mobile body 1 travels on the carrier 2, the acceleration signal of the acceleration sensing module 13 does not exceed the threshold value, but when the mobile body 1 falls into the sea from the carrier 2, the acceleration signal of the acceleration sensing module 13 changes dramatically, the acceleration signal exceeds the threshold value, and the first position signal of the sensing device 10 exceeds the boundary 3, at this time, the warning module 25 will immediately send a warning signal to request rescue, so that the rescue personnel can quickly and accurately know the position of the mobile body 1 according to the first position signal, and can rescue the mobile body 1 at the first time.
Example 2: as shown in fig. 1, fig. 4 and fig. 5, the moving bodies 1 are animals, the carrier 2 is a car body, each moving body 1 is provided with a sensing device 10, when one of the moving bodies 1 jumps out of the carrier 2 in the process of transporting the moving body 1 by the carrier 2, the acceleration signal of the acceleration sensing module 13 exceeds the threshold value, and the first position signal of the sensing device 10 exceeds the boundary 3, at the same time, the warning module 25 sends out a warning signal, and the transporting personnel can rapidly grasp the position of the moving body 1 according to the first position signal of the sensing device 10.
In another embodiment of the present invention, the carrier 2 is a car body, the number of the sensing devices 10 is plural, and when one of the sensing devices 10 is not located within the boundary 3, the warning module 25 sends out a warning signal, such as: the moving bodies 1 are people, each moving body 1 is provided with a sensing device 10, when people are required to count by a leader in the outside school teaching, the positioning device 20 can know which moving body 1 is not in the boundary 3, and the positioning device 20 can obtain a first position signal of the sensing device 10 which is not in the boundary 3, so that the position of the moving body 1 can be rapidly grasped.
In another embodiment of the present invention, a method for monitoring whether a mobile object is beyond a boundary is provided, which comprises the following steps:
setting a boundary: the carrier 2 is used to carry the moving body 1, and the boundary 3 is set according to the carrying range of the carrier 2. in this embodiment, the positioning device 20 is installed at the center position of the carrier 2, and the operation module 23 of the carrier 2 is used to set the distance range from 0 degree to 360 degrees one by one with the positioning device 20 as the two-dimensional center, and the boundary 3 is formed by integration.
A position obtaining step: generating a first position signal according to the position of the moving body 1 and a second position signal according to the position of the carrier 2. in the present embodiment, the moving body 1 is provided with a sensing device 10, and the first position signal is generated according to the position of the moving body 1 by a first position module 12 of the sensing device 10; the positioning device 20 is installed at the center of the carrier 2, and the second position module 22 of the positioning device 20 can generate a second position signal according to the position.
And warning judgment: according to the first position signal and the second position signal, the relative position between the moving object 1 and the carrier 2 is calculated, and whether the moving object 1 exceeds the boundary 3 is determined, and when the moving object 1 exceeds the boundary 3, an alarm signal is sent out. In this embodiment, the sensing module 24 of the positioning device 20 calculates the relative position between the sensing device 10 and the positioning device 20 according to the first position signal and the second position signal, and determines whether the sensing device 10 exceeds the boundary 3, if the first position signal exceeds one of the boundary points of the boundary 3, it is determined that the sensing device 10 exceeds the boundary 3, and the warning module 25 sends out a warning signal.
Furthermore, after the boundary setting step and the position obtaining step, in the warning determining step, the moving object 1 generates an acceleration signal during the moving process, and when the acceleration signal exceeds the threshold and the moving object 1 exceeds the boundary 3, a warning signal is sent out, in this embodiment, the sensing module 24 can receive the acceleration signal of the acceleration sensing module 13, the sensing module 24 has a threshold, and when the sensing module 24 determines that the acceleration signal exceeds the threshold and the sensing device 10 exceeds the boundary 3 at the same time, the warning module 25 sends out the warning signal.
Therefore, the invention can set the boundary 3 of the carrier 2 by the positioning device 20, wear the sensing device 10 on the moving body 1, and according to the first position signal and the second position signal, confirm the relative position between the sensing device 10 and the positioning device 20, and judge whether the sensing device 10 exceeds the boundary 3, therefore, no matter whether the position of the carrier 2 moves, the relative position between the positioning device 20 and the sensing device 10 is not changed, therefore, the invention can be applied to the monitoring of the fixed area, and also can be applied to the monitoring of the non-fixed area, so that the application range of the invention is wider.
Furthermore, the present invention can actively detect the position of the moving object 1 by the positioning device 20, and can send out the warning signal when the moving object 1 exceeds the boundary 3, and can quickly and accurately know the position of the sensing device 10 after exceeding the boundary 3 by the first position signal of the sensing device 10, thereby effectively improving the monitoring and protection effect.
In addition, the present invention can determine that the moving object 1 has exceeded the boundary 3 if the acceleration signal generated by the acceleration sensing module 13 of the sensing device 10 exceeds the threshold value and the sensing device 10 also exceeds the boundary 3, thereby reducing the determination error through the double confirmation method and effectively improving the monitoring accuracy of the present invention.
The above examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. It is intended to claim all such modifications and variations as fall within the true spirit of the invention.
Claims (8)
1. A monitoring system for monitoring whether a mobile body is out of bounds, comprising:
a sensing device, which is worn on the moving body and is provided with a wireless transmitting module and a first position module, wherein the first position module generates a first position signal according to the position of the sensing device; and
a positioning device, which is connected with the sensing device by signal and is fixed on a carrier for carrying the moving body, the positioning device has a wireless receiving module, an operation module, a second position module, a sensing module and an alarm module, the wireless receiving module is connected with the wireless transmitting module by signal and receives the first position signal, the operation module calculates the carrying range of the carrier, sets different radius values at a plurality of angles by taking the positioning device as the center to form a plurality of boundary points, the positioning device connects each boundary point to form a boundary with a closed range, wherein the second position module generates a second position signal according to the position of the positioning device, the sensing module calculates the relative position of the sensing device and the positioning device according to the first position signal and the second position signal, and judging whether the sensing device exceeds the boundary or not, and sending out a warning signal by the warning module.
2. The monitoring system according to claim 1, wherein the carrier is a ship, the moving vehicle is a human, the sensing device has an acceleration sensing module, the sensing module receives an acceleration signal from the acceleration sensing module, the sensing module sets a threshold, the acceleration signal exceeds the threshold, and the warning module sends the warning signal when the sensing device exceeds the boundary.
3. The monitoring system according to claim 1, wherein the number of the sensing devices is plural, and the warning module sends the warning signal when one of the sensing devices is not within the boundary.
4. A monitoring system for monitoring whether a moving body exceeds a boundary according to any one of claims 1 to 3, wherein the positioning device is disposed at a center position of the carrier, the first position signal and the second position signal are coordinate values, and the second position signal is an origin coordinate.
5. The monitoring system for monitoring whether a mobile body exceeds a boundary according to claim 1, wherein the computing module sets the distance ranges one by one from 0 degree to 360 degrees with the positioning device as a two-dimensional center, and integrates to form the boundary.
6. The monitoring system for monitoring whether a mobile body is out of bounds of claim 1, wherein the wireless transmission module is bluetooth, wifi or LPWAN.
7. A monitoring method for monitoring whether a mobile body exceeds a boundary, comprising the steps of:
a carrier for carrying the moving body, a boundary having a closed range being set according to a carrying range of the carrier, wherein different radius values are set at a plurality of angles with a positioning device as a center to form a plurality of boundary points, and the positioning device connects each boundary point to form a boundary having a closed range;
generating a first position signal according to the position of the moving body;
generating a second position signal according to the position of the carrier;
calculating the relative position of the moving body and the carrier according to the first position signal and the second position signal, and judging whether the moving body exceeds the boundary; and
and when the moving body exceeds the boundary, sending out a warning signal.
8. The method as claimed in claim 7, wherein the mobile body generates an acceleration signal during the moving process, and the warning signal is issued when the acceleration signal exceeds a threshold and the mobile body exceeds the boundary.
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| CN1712276A (en) * | 2004-06-26 | 2005-12-28 | 孙润建 | Safety monitor of cargo |
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