TWI810877B - Distributed underwater communication system - Google Patents

Abstract

A distributed underwater communication system includes a plurality of monitoring devices used to perform a monitoring operation, respectively. Each monitoring device obtains a test information. The plurality of monitoring devices is interconnected to form a communications link with a communication range. A mobile vehicle located in the communication range. A base station for receiving the test information and recording an identification code and a position coordinate of each monitoring device. The base station obtains the corresponding position coordinates according to the identification code when the base station receives a fault notification with an identification code. The base station transmits the position coordinates to the mobile vehicle through the communications link, causing the mobile vehicle to move to the position coordinates. The mobile vehicle is coupled with the monitoring device within the signal range to communicate messages instead of the monitoring device to which the identification code belongs.

Description

Distributed Underwater Communication System

The present invention is mainly a communication system, and in particular relates to a distributed underwater communication system that dispatches a movable vehicle to assist a faulty monitoring device to transmit information.

At present, the way of transmitting information in the ocean is mainly through laying cables on the bottom of the water to connect equipment such as current instruments (AWCP) and base stations for information transmission and reception. However, when the cable is working underwater, it may be damaged by passing ships, which will cause interruption of message transmission, or even a failure of the current meter will cause the same problem.

In view of this, it is necessary to provide a distributed underwater communication system to solve the above problems.

The purpose of the present invention is to provide a distributed underwater communication system, which can dispatch a movable vehicle to assist a faulty monitoring device to transmit information.

In order to achieve the above object, the present invention provides a distributed underwater communication system, comprising: several monitoring devices, which are distributed in several fixed positions underwater, and each of the monitoring devices has a monitoring instrument, a routing module and A transmission module, the monitoring instrument is used to perform a monitoring operation to obtain a detection information, the routing module has a routing table, and the routing table is used to record the respective transmission paths of the plurality of monitoring equipment, the transmission module Electrically connected to the monitoring instrument and the routing module, and used to transmit and receive the detection information according to the routing table, and several transmission modules of the several monitoring devices are connected to each other to form a communication link with a communication range ; A mobile vehicle, located within the communication range, and coupled to the transmission module of at least one of the monitoring equipment, the mobile vehicle has a communication module and a positioning module, the communication module is used to transmit and receive signals , the positioning module is used to obtain the position coordinates of the mobile vehicle; and a base station is coupled to the transmission module of at least one of the monitoring equipment and the mobile vehicle, the base station is used to receive the detection information, and record An identification code and a location coordinate of each of the plurality of monitoring equipment, when the base station receives a failure notification with an identification code, the base station obtains the location coordinates of the monitoring equipment that issued the failure notification according to the identification code, And send it to the mobile vehicle through the communication link, so that the mobile vehicle can move to the position coordinates of the monitoring equipment that sends the fault notification through the positioning module, and the transmission between the mobile vehicle and the monitoring equipment within the signal range The modules are coupled with each other to replace the monitoring equipment to which the identification code belongs, and the routing table is updated through the routing module of the monitoring equipment coupled with the mobile vehicle.

In some embodiments, the monitoring instrument is a current meter, and is used for monitoring the water surface fluctuation at a certain point, and the mobile vehicle is an autonomous underwater vehicle. In this way, it has the effect of...

In some embodiments, the transmission module has a signal transmitting unit and a signal receiving unit, the signal transmitting unit is used to send the detection information and the routing table, and the signal receiving unit is used to receive the detection information and the routing table , the signal transmission and reception between any two monitoring devices is through the signal transmitting unit of one of the monitoring devices and the signal receiving unit of the other monitoring device to transmit and receive the detection information and the routing table with horizontal sound waves. In this way, it has the effect of...

In some embodiments, the mobile vehicle further has a monitoring module electrically connected to the communication module, and used to perform the monitoring operation to obtain the detection information. In this way, it has the effect of...

In some embodiments, the mobile vehicle is detachably coupled firmly to the monitoring instrument. In this way, it has the effect of...

The distributed underwater communication system of the present invention has the following characteristics: the monitoring operation under the water surface can be carried out through the monitoring instruments arranged at fixed points, and the communication link is formed by the common structure of the transmission modules of each monitoring equipment, The detection information obtained by each of the monitoring instruments can be sent to the base station through the communication link, and when any of the monitoring equipment fails, the mobile vehicle is mobilized to replace the failed monitoring equipment for message communication. Thereby, the distributed underwater communication system of the present invention can achieve the effect of maintaining the integrity of the communication link.

The embodiments of the present invention are described in detail below in conjunction with the drawings. The attached drawings are mainly simplified schematic diagrams, which only schematically illustrate the basic structure of the present invention. Therefore, only components related to the present invention are marked in these drawings. , and the displayed components are not drawn according to the number, shape, size ratio, etc. of the actual implementation. The actual size of the actual implementation is a selective design, and the layout of the components may be more complicated.

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention may be practiced. The direction terms mentioned in the present invention, such as "upper", "lower", "front", "rear", etc., are only directions referring to the attached drawings. Therefore, the directional terms used are used to illustrate and understand the application, but not to limit the application. Also, in the specification, unless it is clearly described to the contrary, the word "comprising" will be understood as meaning including the stated elements, but not excluding any other elements.

Please refer to shown in Fig. 1, it is a preferred embodiment of the distributed underwater communication system of the present invention, system comprises: several monitoring devices 1, at least one mobile carrier 2 and a base station 3, these several monitoring devices 1 are distributed in several fixed positions underwater, and the several monitoring devices 1 and the at least one mobile vehicle 2 are respectively coupled to the base station 3 .

Each of the monitoring devices 1 has a monitoring instrument 11 , a routing module 12 and a transmission module 13 , wherein the monitoring instrument 11 is used to perform a monitoring operation to obtain a detection information. In this embodiment, the monitoring instrument 11 is an Acoustic Doppler Wave and Current Profiler (AWCP). The current profile can be equipped with an acoustic wave (AST) sensor and a pressure sensor, To carry out the monitoring operation of water surface fluctuation monitoring at a certain point.

The routing module 12 has a routing table, and the routing table is used to record the transmission paths of the plurality of monitoring devices 1 . The routing module 12 has the function of updating the routing table, and the routing tables of the plurality of monitoring devices 1 are identical to each other, which belongs to the common knowledge in the related field of the present invention and can be understood by those skilled in the art.

The transmission module 13 is electrically connected to the monitoring instrument 11 and the routing module 12, and is used for transmitting and receiving the detection information according to the routing table. It is worth noting that the several transmission modules 13 of the several monitoring devices 1 are connected to each other to form a communication link (Communications Link) with a communication range, so that the several monitoring devices 1 can be within the communication range send messages to each other.

Specifically, the transmission module 13 has a signal transmitting unit 131 and a signal receiving unit 132, wherein the signal transmitting unit 131 is used to send the detection information and the routing table, and the signal receiving unit 132 is used to receive the detected Information and the routing table, in this embodiment, the signal transmission and reception between any two monitoring devices 1 is through the signal transmitting unit 131 of one monitoring device 1 and the signal receiving unit 132 of the other monitoring device 1, Transmitting and receiving the detection information and the routing table with transverse sound waves.

Please refer to FIG. 2, for example, the number of the monitoring equipment 1 is six, and they are respectively the first monitoring equipment 1a, the second monitoring equipment 1b, the third monitoring equipment 1c, the fourth monitoring equipment 1d, The fifth monitoring device 1e and the sixth monitoring device 1f. Wherein, the transmission path of the first monitoring equipment 1a is the second, third and fourth monitoring equipment 1b, 1c, 1d; the transmission path of the second monitoring equipment 1b is the first, third and fifth monitoring equipment 1a, 1c, 1e; the transmission path of the third monitoring equipment 1c is the second, fourth, fifth and sixth monitoring equipment 1b, 1d, 1e, 1f; the transmission path of the fourth monitoring equipment 1d is the first and third monitoring equipment 1a, 1c; the transmission path of the fifth monitoring device 1e is the second and third monitoring devices 1b, 1c; the transmission path of the sixth monitoring device 1f is the third monitoring device 1c, and the base station 3, as shown in Table 1 below. In this way, if the second monitoring device 1b wants to transmit its detection information back to the base station 3, it can execute a routing algorithm through its routing module 12, and select from the routing table to pass through the third and The sixth monitoring devices 1c and 1f are used to transmit the detection information back to the base station 3 .

Table 1: Routing table signal source delivery path first monitoring device Second, third and fourth monitoring equipment Second monitoring equipment The first, third and fifth monitoring equipment The third monitoring equipment Second, fourth, fifth and sixth monitoring equipment Fourth monitoring equipment First and third monitoring equipment Fifth monitoring equipment Second and third monitoring equipment Sixth monitoring equipment The third monitoring equipment, and the base station

1-2, the at least one mobile carrier 2 is located within the communication range and coupled to the transmission module 13 of at least one monitoring device 1. The mobile carrier 2 is detachably and firmly combined with the monitoring device. The instrument 11 has the function of reducing its own power consumption. In this embodiment, the mobile vehicle 2 is an autonomous underwater vehicle (Autonomous Underwater Vehicle, AUV). Specifically, the mobile vehicle 2 has a communication module 21 and a positioning module 22, wherein the communication module 21 is used to transmit and receive signals. In the present invention, the communication mode of the communication module 21 is the same as The transmission module 13 of the monitoring device 1 is the same, that is, to transmit and receive signals through sound waves. The positioning module 22 is electrically connected to the communication module 21, and is used to obtain the position coordinates of the mobile vehicle 2. For example, but not limited to, the positioning module 22 can be an underwater acoustic positioning system, and its principle is to borrow The relative distance and azimuth between the mobile vehicle 2 and the transmitter are calculated from the specific sound wave signal emitted by the transmitter with the known location, so as to deduce the underwater position of the mobile vehicle 2 .

Preferably, the mobile vehicle 2 can also have a monitoring module 23 electrically connected to the communication module 21, and used to perform the above-mentioned monitoring operations to obtain the detection information. In this embodiment, the monitoring module 32 It has the same acoustic wave type induction meter and pressure type induction meter as the monitoring instrument 11 .

The base station 3 is coupled to the transmission module 13 of at least one monitoring device 1 and the at least one mobile vehicle 2, and is used to receive the detection information, record the respective identification codes and position coordinates of the plurality of monitoring devices 1, and record The identification code of the at least one mobile vehicle 2 . For example but without limitation, the above-mentioned identification code may be generated by a serial number so as to be unique.

When the base station 3 received a fault notification with an identification code, the base station 3 obtained the corresponding position coordinates according to the identification code, and sent to the mobile vehicle 2 through the communication link, so that the mobile vehicle The tool 2 is moved to the position coordinates by the positioning module 22, and the mobile vehicle 2 is coupled with the transmission module 13 of the monitoring device 1 within the signal range to replace the monitoring device 1 to which the identification code belongs, and through The routing module 12 of the monitoring device 1 coupled to the mobile vehicle 2 updates the routing table, wherein the signal source of the routing table in the above table can be recorded as the identification code of the monitoring device 1 and the mobile vehicle 2 .

It is worth noting that when the number of the at least one mobile vehicle 2 is plural, the base station 3 can obtain the position coordinates of each of the mobile vehicles 2, and dispatch the mobile vehicle closest to the faulty monitoring device 1 2 go.

Please refer to FIG. 3 , for example, assuming that the above-mentioned fourth monitoring device 1d fails, the base station 3 obtains the position coordinates of the fourth monitoring device 1d, and sends it to the mobile vehicle 2 through the communication link, Make the mobile carrier 2 replace the fourth monitoring equipment 1d, couple with the transmission module 13 of the first and third monitoring equipment 1a, 1c, and pass through the first monitoring equipment 1a or the third monitoring equipment 1c The routing module 12 updates the above-mentioned routing table, and the updated routing table can be as shown in List 2 below:

Table 2: Routing table signal source delivery path first monitoring device Second and third monitoring equipment, and mobile vehicles Second monitoring equipment The first, third and fifth monitoring equipment The third monitoring equipment Second, fifth and sixth monitoring equipment, and mobile vehicles mobile vehicle First and third monitoring equipment Fifth monitoring equipment Second and third monitoring equipment Sixth monitoring equipment The third monitoring equipment, and the base station

Based on the above, the distributed underwater communication system of the present invention can perform monitoring operations under the water surface through the monitoring instruments installed at fixed points, and form the communication link through the common structure of the transmission modules of each monitoring equipment road, so that the detection information obtained by each of the monitoring instruments can be sent to the base station through the communication link, and when any of the monitoring equipment fails, the mobile vehicle is mobilized to replace the failed monitoring equipment for message communication . Thereby, the distributed underwater communication system of the present invention can achieve the effect of maintaining the integrity of the communication link.

The embodiments disclosed above are only illustrative of the principles, features and effects of the present invention, and are not intended to limit the scope of the present invention. Any person familiar with the art can, without departing from the spirit and scope of the present invention, Modifications and changes are made to the above-mentioned embodiments. Any equivalent change and modification accomplished by using the content disclosed in the present invention should still be covered by the scope of the following patent application.

﹝this invention﹞ 1: Monitoring equipment 1a: First monitoring device 1b: Second monitoring device 1c: The third monitoring device 1d: Fourth monitoring device 1e: fifth monitoring device 1f: sixth monitoring device 11: Monitoring instrument 12: Routing module 13: Transmission module 131: Signal transmitting unit 132: Signal receiving unit 2:Mobile vehicle 21: Communication module 22: Positioning module 23: Monitoring module 3: base station

[Fig. 1] is a system block diagram of the distributed underwater communication system of the present invention; [Fig. 2] is a system architecture diagram of the distributed underwater communication system of the present invention; [Fig. 3] is a system architecture diagram of the mobile vehicle in Fig. 2 moving and replacing the fourth monitoring device.

1: Monitoring equipment

11: Monitoring instrument

12: Routing module

13: Transmission module

131: Signal transmitting unit

132: Signal receiving unit

2:Mobile vehicle

21: Communication module

22: Positioning module

23: Monitoring module

3: base station

Claims (5)

A distributed underwater communication system, comprising: several monitoring devices, distributed in several fixed positions underwater, each of the monitoring devices has a monitoring instrument, a routing module and a transmission module, the monitoring instrument Used to perform a monitoring operation to obtain a detection information, the routing module has a routing table, the routing table is used to record the respective transmission paths of the monitoring equipment, the transmission module is electrically connected to the monitoring equipment and the The routing module is used to transmit and receive the detection information according to the routing table, the several transmission modules of the several monitoring devices are connected to each other to form a communication link with a communication range; a mobile vehicle is located at the Within the communication range, and coupled to at least one transmission module of the monitoring equipment, the mobile vehicle has a communication module and a positioning module, the communication module is used to transmit and receive signals, and the positioning module is used to obtain The location coordinates of the mobile vehicle; and a base station, coupled to the transmission module of at least one of the monitoring equipment and the mobile vehicle, the base station is used to receive the detection information, and record one of the monitoring equipment respectively identification code and a location coordinate, when the base station receives a failure notification with an identification code, the base station obtains the location coordinates of the monitoring equipment that issued the failure notification according to the identification code, and sends it to the The mobile vehicle is used to move the mobile vehicle to the location coordinates of the monitoring equipment that sends the fault notification through the positioning module, and the mobile vehicle is coupled with the transmission module of the monitoring equipment within the signal range to replace The monitoring device to which the identification code belongs, and the routing table is updated through the routing module of the monitoring device coupled with the mobile vehicle. The distributed underwater communication system as described in Claim 1, wherein the monitoring instrument is a current meter and is used to perform monitoring operations for monitoring water surface fluctuations at a certain point, and the mobile vehicle is an autonomous underwater vehicle. The distributed underwater communication system as described in Claim 1, wherein the transmission module has a signal transmitting unit and a signal receiving unit, the signal transmitting unit is used to send the detection information and the routing table, and the signal receiving unit To receive the detection information and the routing table, the signal transmission and reception between any two monitoring devices is through the signal transmitting unit of one of the monitoring devices and the signal receiving unit of the other monitoring device to transmit and receive signals in horizontal sound waves The detection information and the routing table. The distributed underwater communication system as described in Claim 1, wherein, the mobile vehicle further has a monitoring module electrically connected to the communication module, and used to perform the monitoring operation to obtain the detection information. The distributed underwater communication system according to claim 1, wherein the mobile vehicle is detachably and firmly combined with the monitoring instrument.