Magnetic suction terminal for underwater communication

Abstract

The utility model discloses a magnetic terminal for underwater communication, which comprises an end cover and a terminal main body, wherein an electromagnet is arranged outside the terminal main body; the terminal body comprises a first cylinder and a second cylinder. One end of the first cylinder is connected with the end cover. The electromagnet sleeves the second cylinder, a control module is arranged in the first cylinder, and the electromagnet is electrically connected with the control module; the top end of the end cover is connected with the umbilical cable which is in communication connection with the control module. A first network card is arranged on the inner end face of the second cylinder plug, the control module is connected with the first network card, a second network card is arranged in the aircraft, and the aircraft control system is connected with the second network card; and the first network card is in wireless communication connection with the second network card. According to the utility model, the magnetic attraction terminal is connected with the aircraft, so that the combination of short-distance wireless communication and long-distance wired communication is realized when the aircraft sails underwater, thereby avoiding the defect that the aircraft is difficult to keep stable and real-time communication connection with a base station due to the attenuation of wireless signals in an underwater environment.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicles, and particularly relates to a magnetic terminal for underwater communication. Background Art

[0002] An air-water cross-domain vehicle refers to a vehicle that can fly in the air and swim quickly in the water, and has great application potential in various working scenarios. It can be used for air patrol, search, marine resource exploration, marine water quality monitoring, hydrometeorological measurement, communication relay, maritime search and rescue, etc.

[0003] When the cross-domain vehicle flies in the air or sails in the water, it is wirelessly connected to the base station. However, when sailing underwater, the attenuation of the wireless signal in the underwater environment makes it difficult for the vehicle to maintain a stable and real-time communication connection with the base station.

[0004] Based on the above problems, this application proposes a magnetic terminal for underwater communication. By connecting the magnetic terminal to the vehicle, the vehicle can achieve a combination of short-distance wireless communication and long-distance wired communication when sailing underwater, thus avoiding the disadvantage that the vehicle is difficult to maintain a stable and real-time communication connection with the base station due to the attenuation of the wireless signal in the underwater environment. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the above-mentioned prior art and provide a magnetic terminal for underwater communication.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A magnetic terminal for underwater communication includes an end cap and a terminal body fixedly connected coaxially in sequence. An electromagnet for magnetically connecting with a vehicle is arranged outside the terminal body.

[0008] The terminal body includes a first cylinder and a second cylinder fixedly connected coaxially. One end of the first cylinder away from the second cylinder is fixedly connected to the end cap, and one end of the second cylinder away from the first cylinder is in a sealed structure.

[0009] The electromagnet is in a ring structure, the electromagnet is sleeved outside the second cylinder and fixedly connected to the terminal body; one end of the vehicle is provided with a connecting plate capable of being attracted to the electromagnet.

[0010] A control module is arranged inside the first cylinder, and the electromagnet is electrically connected to the control module.

[0011] The top end of the end cap is connected to an umbilical cable, and an umbilical cable winch for winding the umbilical cable is arranged on the base station. The end of the umbilical cable passes through the center of the top end of the end cap and is communicatively connected to the control module.

[0012] A first network card is disposed on the sealing inner end surface of the second cylinder away from the first cylinder. The control module is connected to the first network card. A second network card is disposed inside the vehicle, and the vehicle control system is connected to the second network card;

[0013] The first network card and the second network card are wirelessly communicatively connected.

[0014] Preferably, the end cover is threadedly connected to the outer side wall of the first cylinder.

[0015] Preferably, the electromagnet is fixedly connected to the terminal body through a connecting member;

[0016] The connecting member includes a first annular connecting plate and a second annular connecting plate arranged coaxially. The first annular connecting plate and the second annular connecting plate are fixedly connected through a plurality of rib plates uniformly arranged in the circumferential direction;

[0017] The second annular connecting plate is sleeved on the second cylinder and located at the top of the electromagnet. The second annular connecting plate and the electromagnet are detachably connected;

[0018] A third annular connecting plate is disposed on the outer side wall of the first cylinder;

[0019] The first annular connecting plate is located at the bottom end of the third annular connecting plate, and the first annular connecting plate and the third annular connecting plate are detachably connected.

[0020] Preferably, the second annular connecting plate and the electromagnet are bolted together.

[0021] Preferably, the first annular connecting plate and the third annular connecting plate are bolted together.

[0022] Preferably, the end of the second cylinder away from the first cylinder protrudes from the corresponding end surface of the electromagnet;

[0023] When the electromagnet is in contact with the connecting plate, a groove adapted to the end of the second cylinder is provided at the end of the vehicle where the connecting plate is located.

[0024] Preferably, a camera, an optical flow sensor, and an attitude sensor are disposed on the vehicle, and the camera, the optical flow sensor, and the attitude sensor are all connected to the vehicle control system.

[0025] The beneficial effects of the present utility model are:

[0026] The connection between the magnetic terminal of the present utility model and the vehicle enables the vehicle to achieve a combination of short-distance wireless communication and long-distance wired communication during underwater navigation. Since the distance of wireless communication is short, it avoids the drawback that the vehicle is difficult to maintain a stable and real-time communication connection with the base station due to the attenuation of wireless signals in the underwater environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings forming a part of this application are used to provide a further understanding of this application. The schematic embodiments of this application and their descriptions are used to explain this application and do not constitute an improper limitation to this application.

[0028] Figure 1 is a schematic structural diagram of the magnetic terminal for underwater communication of the present utility model;

[0029] Figure 2 is a structural sectional view of the magnetic terminal for underwater communication of the present utility model;

[0030] Figure 3 is a schematic connection diagram of the control module in the present utility model;

[0031] Figure 4 is a schematic usage diagram of the magnetic terminal for underwater communication of the present utility model;

[0032] Wherein:

[0033] 11 - Electromagnet, 12 - Control module, 13 - Connection plate, 14 - End cover, 15 - Terminal body, 151 - First cylinder, 152 - Second cylinder, 153 - Third annular connection plate, 16 - Connector, 161 - First annular connection plate, 162 - Second annular connection plate, 163 - Rib plate, 17 - First network card;

[0034] 2 - Vehicle, 21 - Second network card, 22 - Groove;

[0035] 3 - Umbilical cable. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] It should be noted that the following detailed description is illustrative and is intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0037] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0038] In the present utility model, terms such as "upper", "lower", "bottom", "top", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only relational terms determined for the convenience of describing the structural relationship of each component or element of the present utility model and do not specifically refer to any component or element in the present utility model and should not be construed as a limitation to the present utility model.

[0039] In the present utility model, terms such as "connected" and "coupled" should be understood in a broad sense, which may mean a fixed connection, an integral connection or a detachable connection; it can be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in this field, the specific meanings of the above terms in the present utility model can be determined according to specific circumstances and should not be construed as a limitation to the present utility model.

[0040] The present utility model will be further described below with reference to the drawings and embodiments.

[0041] As Figure 1 - Figure 2 shown, a magnetic terminal for underwater communication includes an end cap 14 and a terminal body 15 that are coaxially and fixedly connected in sequence. An electromagnet 11 for magnetically connecting with a vehicle 2 is disposed outside the terminal body 15.

[0042] The terminal body 15 includes a first cylinder 151 and a second cylinder 152 that are coaxially and fixedly connected. One end of the first cylinder 151 away from the second cylinder 152 is fixedly connected to the end cap 14, thereby blocking one end of the terminal body 15. One end of the second cylinder 152 away from the first cylinder 151 is in a blocked structure, so that the terminal body 15 is in a sealed state.

[0043] The electromagnet 11 is in a ring structure. The electromagnet 11 is sleeved outside the second cylinder 152 and fixedly connected to the terminal body 15. One end of the vehicle 2 is provided with a connecting plate 13 that can be magnetically attracted to the electromagnet 11.

[0044] A control module 12 is disposed inside the first cylinder 151. The electromagnet 11 is electrically connected to the control module 12, and the control module 12 controls the on-off of the coil of the electromagnet 11.

[0045] The top end of the end cap 14 is connected to the umbilical cable 3. The umbilical cable winch for winding the umbilical cable 3 is arranged on the base station. The end of the umbilical cable 3 passes through the center of the top end of the end cap 14 and is communicatively connected to the control module 12; the other end of the umbilical cable 3 is connected to the control system of the base station to transmit various data;

[0046] A first network card 17 is arranged on the sealing inner end surface of the second cylinder 152 far away from the first cylinder 151. The control module 12 is connected to the first network card 17. A second network card 21 is arranged in the vehicle 2, and the vehicle control system is connected to the second network card 21;

[0047] As Figure 3 shown, the first network card 17 is wirelessly communicatively connected to the second network card 21.

[0048] Specifically, the control module 12 includes a Raspberry Pi and a controller connected to each other. The Raspberry Pi in the control module 12 is communicatively connected to both the umbilical cable 3 and the first network card 17. The controller in the control module 12 is connected to the electromagnet 11. The model of the controller in the control module 12 is STM32F1.

[0049] The vehicle control system includes a Raspberry Pi and a controller connected to each other. The Raspberry Pi in the vehicle control system is communicatively connected to the second network card 21. The controller in the vehicle control system is connected to the driving mechanism of the vehicle. The model of the controller in the vehicle control system is STM32F4.

[0050] Preferably, the end cap 14 is threadedly connected to the outer side wall of the first cylinder 151.

[0051] Preferably, the electromagnet 11 is fixedly connected to the terminal body 15 through a connecting member 16;

[0052] The connecting member 16 includes a first annular connecting plate 161 and a second annular connecting plate 162 arranged coaxially. The first annular connecting plate 161 and the second annular connecting plate 162 are fixedly connected to each other through a plurality of rib plates 163 uniformly arranged in the circumferential direction;

[0053] The second annular connecting plate 162 is sleeved on the second cylinder 152 and is located at the top end of the electromagnet 11. The second annular connecting plate 162 is detachably connected to the electromagnet 11;

[0054] A third annular connecting plate 153 is arranged on the outer side wall of the first cylinder 151;

[0055] The first annular connecting plate 161 is located at the bottom end of the third annular connecting plate 153. The first annular connecting plate 161 is detachably connected to the third annular connecting plate 153.

[0056] Preferably, the second annular connecting plate 162 and the electromagnet 11 are bolted together.

[0057] Preferably, the first annular connecting plate 161 and the third annular connecting plate 153 are bolted together.

[0058] Preferably, the end of the second cylinder 152 away from the first cylinder 151 protrudes from the corresponding end face of the electromagnet 11;

[0059] When the electromagnet 11 is attached to the connecting plate 13, a groove 22 adapted to the end of the second cylinder 152 is provided at the end of the vehicle 2 where the connecting plate 13 is located.

[0060] Preferably, the vehicle 2 is provided with a camera, an optical flow sensor, and an attitude sensor, and the camera, the optical flow sensor, and the attitude sensor are all connected to the vehicle control system. Specifically, the camera is connected to the Raspberry Pi in the vehicle control system, and the optical flow sensor and the attitude sensor are both connected to the controller in the vehicle control system to collect corresponding data information.

[0061] A magnetic terminal for underwater communication has the following specific implementation manners:

[0062] The vehicle 2 flies towards the base station in an airborne flight attitude. After arriving, the magnetic terminal is lowered so that the magnetic terminal is magnetically connected to the top of the vehicle 2.

[0063] When the vehicle 2 is navigating underwater, the magnetic terminal is fixedly connected to the vehicle 2. The wireless transmission distance between the vehicle controller system and the control module 12 in the magnetic terminal is very short. The umbilical cable 3 is released as the vehicle 2 navigates to achieve the combination of short-distance wireless communication and long-distance wired communication. That is, the connection settings among the magnetic terminal, the umbilical cable 3, and the vehicle 2 in this application achieve the combination of short-distance wireless communication and long-distance wired communication when the vehicle is navigating underwater. Since the wireless communication distance is short, the disadvantage that the vehicle is difficult to maintain a stable and real-time communication connection with the base station due to the attenuation of the wireless signal in the underwater environment is avoided.

[0064] Although the specific implementation manners of the present invention are described above in conjunction with the accompanying drawings, it is not a limitation of the present invention. Those skilled in the art should understand that based on the technical solutions of the present invention, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the present invention.

Claims

1. A magnetic terminal for underwater communication, characterized in that: It includes an end cap and a terminal body which are coaxially fixedly connected in sequence, and an electromagnet for magnetically connecting with the aircraft is arranged outside the terminal body; The terminal body comprises a first cylinder and a second cylinder which are coaxially fixedly connected, the end of the first cylinder away from the second cylinder is fixedly connected to the end cover, and the end of the second cylinder away from the first cylinder is in a blocking structure; The electromagnet is annular in structure, and is sleeved outside the second cylinder and fixedly connected to the terminal body; a connecting plate capable of being attracted and connected to the electromagnet is provided at one end of the vehicle; A control module is disposed inside the first cylinder, and the electromagnet is electrically connected to the control module; The top end of the end cover is connected to the umbilical cable, and the umbilical cable winch winding the umbilical cable is arranged on the base station. The end of the umbilical cable passes through the top center of the end cover and is connected to the control module for communication; A first network card is arranged on the blocked inner end surface of the second cylinder away from the first cylinder, the control module is connected to the first network card, a second network card is arranged in the aircraft, and the aircraft control system is connected to the second network card; The first network card is connected to the second network card through wireless communication.

2. The magnetic terminal for underwater communication according to claim 1, characterized in that: The end cover is threadedly connected to the outer side wall of the first cylinder.

3. The magnetic terminal for underwater communication according to claim 1, characterized in that: The electromagnet is fixedly connected to the terminal body via a connecting piece; The connecting member comprises a first annular connecting plate and a second annular connecting plate which are coaxially arranged, and the first annular connecting plate and the second annular connecting plate are fixedly connected by a plurality of ribs which are evenly arranged along the circumferential direction; The second annular connecting plate is sleeved on the second cylinder and is located at the top of the electromagnet, and the second annular connecting plate is detachably connected to the electromagnet; A third annular connecting plate is provided on the outer side wall of the first cylinder; The first annular connecting plate is located at the bottom end of the third annular connecting plate, and the first annular connecting plate is detachably connected to the third annular connecting plate.

4. The magnetic terminal for underwater communication according to claim 3, characterized in that: The second annular connecting plate is connected to the electromagnet by bolts.

5. The magnetic terminal for underwater communication according to claim 3, characterized in that: The first annular connecting plate and the third annular connecting plate are connected by bolts.

6. The magnetic terminal for underwater communication according to claim 3, characterized in that: The end of the second cylinder away from the first cylinder protrudes from the corresponding end surface of the electromagnet; When the electromagnet is connected to the connecting plate, a groove matching the end of the second cylinder is provided at the end of the aircraft where the connecting plate is located.

7. The magnetic terminal for underwater communication according to claim 1, characterized in that: The aircraft is provided with a camera, an optical flow sensor, and a posture sensor, and the camera, the optical flow sensor, and the posture sensor are all connected to the aircraft control system.

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