Underwater signal acquisition device

Abstract

The utility model discloses an underwater signal acquisition device, and relates to the field of underwater signal acquisition. The underwater signal acquisition device comprises a data cabin, an acquisition cabin, a power cable, a detection assembly, a first connector, a second connector and a power line carrier communication module. Through the configured power line carrier communication module, the connection between the data cabin and the signal acquisition outside the cabin can be realized through a power cable. Specifically, the multipath signal collector converts a detection signal fed back by the detection assembly into a network signal, converts the network signal into carrier information through connection of a network cable and a second power carrier communicator, loads the carrier information to a power cable, and transmits the carrier information to a first power carrier communicator in the data cabin to be converted into a network signal again for identification and reading. Compared with the prior art, the number of connectors on the data cabin can be reduced, the risk of water leakage caused by watertight failure is reduced, the cost of the device is reduced, and the workload of replacement of operators in the diving stage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to underwater signal acquisition field, concretely relates to a kind of underwater signal acquisition device. BACKGROUND

[0002] In the related art, the underwater data capsule has a plurality of sensor devices for monitoring water environmental parameters outside the capsule. Each sensor needs a water-tight connector to access the underwater data capsule. However, since the water-tight connector may fail in water-tightness, the water-tight failure between the water-tight connector and the underwater data capsule will cause the data capsule to be flooded. The connection of multiple water-tight connectors on the data capsule increases the risk of the data capsule being flooded. In addition, when the sensor devices outside the capsule fail and need to be replaced underwater, the corresponding water-tight connectors need to be configured with high-cost underwater wet plug connectors. Meanwhile, the operator needs to remove each water-tight connector during the replacement of the sensor devices during the diving phase, which also increases the workload underwater. SUMMARY

[0003] To solve the technical problems raised in the above background, the utility model provides an underwater signal acquisition device, comprising:

[0004] a data capsule;

[0005] a collection capsule configured to be spaced apart from the data capsule, and a plurality of signal collectors installed in the collection capsule;

[0006] a power cable for electrically connecting the data capsule and the collection capsule, and the power cable is electrically connected to the plurality of signal collectors;

[0007] a detection assembly comprising at least one detection device, the detection device is arranged on the outside of the collection capsule, and the detection device is electrically connected to the collection end of the plurality of signal collectors through a signal line to feed back detection signals to the plurality of signal collectors;

[0008] a first connector installed at the connection between the data capsule and the power cable, and a second connector installed at the connection between the power cable and the collection capsule.

[0009] As a preferred technical solution, the underwater signal acquisition device further comprises a power carrier communication module, the power carrier communication module comprises a first power carrier communicator and a second power carrier communicator, the first power carrier communicator is installed in the data capsule, the second power carrier communicator is installed in the collection capsule, the second power carrier communicator is electrically connected to the plurality of signal collectors, and the first power carrier communicator and the second power carrier communicator are connected through the power cable and a power line.

[0010] As a preferred technical scheme, the underwater signal acquisition device further comprises a monitoring system, the monitoring system is installed in the data cabin, and the monitoring system is electrically connected with the first power carrier communication device.

[0011] As a preferred technical scheme, the data cabin is provided with a power supply module, and the power supply module is electrically connected with the power cable.

[0012] As a preferred technical scheme, the data cabin is provided with a first filter, and the first filter is electrically connected between the power supply module and the power cable.

[0013] The acquisition cabin is provided with a second filter, and the second filter is electrically connected between the power cable and the multi-channel signal acquisition device.

[0014] As a preferred technical scheme, the first connector and the second connector are wet-plug connectors.

[0015] As a preferred technical scheme, the acquisition cabin is provided with a water leakage sensor, the water leakage sensor is adapted to detect water inflow data in the acquisition cabin, and the water leakage sensor is electrically connected with the multi-channel signal acquisition device.

[0016] As a preferred technical scheme, the detection assembly comprises:

[0017] At least one pressure sensor, the pressure sensor is adapted to detect the pressure parameter of the water environment, and the pressure sensor is electrically connected with the acquisition end of the multi-channel signal acquisition device.

[0018] A temperature sensor, the temperature sensor is adapted to detect the temperature parameter of the water environment, and the temperature sensor is electrically connected with the acquisition end of the multi-channel signal acquisition device.

[0019] A water depth sensor, the water depth sensor is adapted to detect the depth parameter of the water environment, and the water depth sensor is electrically connected with the acquisition end of the multi-channel signal acquisition device.

[0020] A flow meter, the flow meter is adapted to detect the flow parameter of the water environment, and the flow meter is electrically connected with the acquisition end of the multi-channel signal acquisition device.

[0021] As a preferred technical scheme, the acquisition end of the multi-channel signal acquisition device is provided with a plurality of sensor interfaces.

[0022] As a preferred technical scheme, the acquisition cabin is provided with a plurality of watertight connectors, and the watertight connectors are fixedly connected to the wall surface of the acquisition cabin.

[0023] The technical scheme provided by the utility model has the following advantages:

[0024] The underwater signal acquisition device provided by the utility model, including data cabin, collection cabin, power cable, detection component, first connector and second connector, power carrier communication module, collection cabin and data cabin are configured to be spaced apart, a plurality of signal collectors are installed in the collection cabin, the power cable is used for connecting the data cabin and the collection cabin in telecommunication, and the power cable and the plurality of signal collectors are electrically connected, the detection component includes at least one detector, the detectors are arranged on the outer side of the collection cabin at intervals, the detectors are electrically connected to the collection end of the plurality of signal collectors through signal lines to feed back detection signals to the plurality of signal collectors, the first connector is installed at the connection position of the data cabin and the power cable, and the second connector is installed at the connection position of the power cable and the collection cabin, the power carrier communication module includes a first power carrier communication device and a second power carrier communication device, the first power carrier communication device is installed in the data cabin, the second power carrier communication device is installed in the collection cabin, the second power carrier communication device is connected to the plurality of signal collectors in telecommunication, and the first power carrier communication device and the second power carrier communication device are connected through the power cable and the power line.

[0025] The underwater signal acquisition device has the advantages that the data cabin and the cabin-outside signal acquisition connection can be realized through one power cable by the power carrier communication module, specifically, the plurality of signal collectors convert the detection signals fed back by the detection component into network signals, the network signals are converted into carrier information and loaded to the power cable through the connection of the network cable and the second power carrier communication device, and the network signals are reconverted into network signals by the first power carrier communication device in the data cabin to be read and identified. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0027] Figure 1 The structure diagram of the underwater signal acquisition device provided by the utility model is shown in the figure.

[0028] The reference signs are explained as follows:

[0029] 1-data cabin; 11-power module; 12-first filter; 13-first power carrier communicator; 14-monitoring system;

[0030] 2-acquisition cabin; 21-multi-channel signal collector; 22-second filter; 23-second power carrier communicator; 24-leakage sensor;

[0031] 3-power cable;

[0032] 41-pressure sensor; 42-temperature sensor; 43-depth sensor; 44-flow meter;

[0033] 5-signal line; 6-waterproof connector; 7-first connector; 8-second connector. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0035] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0038] Embodiment

[0039] The embodiment provides an underwater signal collecting device, and refers to Figure 1 which comprises a data cabin 1, a collecting cabin 2, a power cable 3, a detection assembly, a first connector 7 and a second connector 8, and a power carrier communication module, the first connector 7 is installed at the joint of the data cabin 1 and the power cable 3, and the second connector 8 is installed at the joint of the power cable 3 and the collecting cabin 2.

[0040] In the embodiment, the collecting cabin 2 is arranged at intervals with the data cabin 1, a plurality of signal collectors 21 are installed in the collecting cabin 2, the power cable 3 is used for electrically connecting the data cabin 1 and the collecting cabin 2, and the power cable 3 is electrically connected with the plurality of signal collectors 21.

[0041] In a specific implementation, a power supply module 11 is installed in the data cabin 1, the power supply module 11 is electrically connected with the power cable 3, and the power supply module 11 is used for providing electric energy for the device.

[0042] The detection assembly comprises one or more detection devices, the detection devices are arranged at intervals outside the collecting cabin 2, and the detection devices are electrically connected with the collecting ends of the plurality of signal collectors 21 through signal lines 5, so as to feed back detection signals to the plurality of signal collectors 21.

[0043] In the embodiment, the power carrier communication module is used for realizing communication between the data cabin 1 and the collecting cabin 2, the power carrier communication module converts network signals into power carriers, transmits the power carriers through power lines to realize communication, and constructs a communication link between the data cabin 1 and the collecting cabin 2.

[0044] In a specific implementation, referring to Figure 1 the power carrier communication module comprises a first power carrier communicator 13 and a second power carrier communicator 23, the first power carrier communicator 13 is installed in the data cabin 1, the second power carrier communicator 23 is installed in the collecting cabin 2, the second power carrier communicator 23 is electrically connected with the plurality of signal collectors 21, and the first power carrier communicator 13 and the second power carrier communicator 23 are connected through the power cable 3 and the power line.

[0045] The underwater signal acquisition device provided by the embodiment can realize the connection between the data cabin 1 and the out-cabin signal acquisition through a power cable 3 by means of the configured power carrier communication module. Specifically, the multi-channel signal collector 21 converts the detection signals fed back by the detection assembly into network signals, and the network signals are converted into carrier information by the connection of the network cable and the second power carrier communication device 23, and then the carrier information is loaded to the power cable 3 and transmitted to the first power carrier communication device 13 in the data cabin 1 to be re-converted into network signals for identification and reading. Compared with the mode in the prior art that each sensor is directly connected to the data cabin 1 through a water-tight connector 6, the number of connectors on the data cabin 1 can be reduced, and the risk of water leakage due to water-tight failure can be reduced. The combination of the power cable 3, the first connector 7 and the second connector 8 can achieve the purpose of data transmission, which is conducive to reducing the cost. Meanwhile, when the acquisition cabin 2 and the detection assembly need to be replaced, the operator only needs to remove the connector connected by the power cable 3 during the diving stage to complete the replacement, thereby effectively reducing the workload.

[0046] As a further embodiment, the underwater signal acquisition device further comprises a monitoring system 14 installed in the data cabin 1, and the monitoring system 14 is in electrical connection with the first power carrier communication device 13. The first power carrier communication device 13 re-converts the carrier signals into network signals, which can be identified and read by the monitoring system 14.

[0047] As a preferred embodiment, referring to Figure 1 , the data cabin 1 is provided with a first filter 12 electrically connected between the power supply module 11 and the power cable 3, and the acquisition cabin 2 is provided with a second filter 22 electrically connected between the power cable 3 and the multi-channel signal collector 21. In a specific embodiment, the first power carrier communication device 13 is connected between the power cable 3 and the first filter 12 through a power line towards the receiving end of the power cable 3, and the second power carrier communication device 23 is connected between the power cable 3 and the second filter 22 through a power line towards the output end of the power cable 3. Due to the fact that the carrier signals are high-frequency signals, the filters are arranged at both ends of the power cable 3 between the data cabin 1 and the acquisition cabin 2, and the power supply module 11 can provide a reliable and stable power supply environment for the multi-channel signal collector 21 after the carrier signals are filtered by the two filters, thereby avoiding the interference of the carrier signals.

[0048] In a specific embodiment, the detection assembly comprises a pressure sensor 41, a temperature sensor 42, a water depth sensor 43, and a flow meter 44; the pressure sensor 41 is provided with at least one, the pressure sensor 41 is adapted to detect the pressure parameter of the water environment, the pressure sensor 41 and the acquisition end of the multi-channel signal collector 21 are electrically connected, the temperature sensor 42 is adapted to detect the temperature parameter of the water environment, the temperature sensor 42 and the acquisition end of the multi-channel signal collector 21 are electrically connected, the water depth sensor 43 is adapted to detect the depth parameter of the water environment, the water depth sensor 43 and the acquisition end of the multi-channel signal collector 21 are electrically connected, the flow meter 44 is adapted to detect the flow parameter of the water environment, and the flow meter 44 and the acquisition end of the multi-channel signal collector 21 are electrically connected. The multi-channel signal collector 21 is used to convert the analog signal, the on-off signal and the numerical signal corresponding to the output feedback of the pressure sensor 41, the temperature sensor 42, the water depth sensor 43 and the flow meter 44 into network signals, and is communicated to the second power carrier communication device 23.

[0049] As a preferred embodiment, the acquisition end of the multi-channel signal collector 21 is provided with a plurality of sensor interfaces (not shown in the figure). In a specific structure, different specifications of multi-channel signal collectors 21 can be selected according to the number of external sensor access, and the reserved sensor interfaces are beneficial to facilitate subsequent expansion, and the expansion flexibility is good.

[0050] As a further technical solution, see Figure 1 The acquisition cabin 2 is provided with a plurality of watertight connectors 6, and the watertight connectors 6 are fixedly connected to the wall surface of the acquisition cabin 2. The detection device is correspondingly provided with a watertight connector 6, and the detection device is connected to the watertight connector 6 through the signal line 5. The watertight connector 6 is electrically connected to the sensor interface on the multi-channel signal collector 21. The watertight seal is established through the watertight connector 6, so as to avoid water penetration into the acquisition cabin 2 from the external water environment.

[0051] As a preferred embodiment, see Figure 1 The acquisition cabin 2 is provided with a plurality of watertight connectors 6, and the watertight connectors 6 are fixedly connected to the wall surface of the acquisition cabin 2. The detection device is correspondingly provided with a watertight connector 6, and the detection device is connected to the watertight connector 6 through the signal line 5. The watertight connector 6 is electrically connected to the sensor interface on the multi-channel signal collector 21. The watertight seal is established through the watertight connector 6, so as to avoid water penetration into the acquisition cabin 2 from the external water environment.

[0052] As a preferred embodiment, the first connector 7 and the second connector 8 are set as wet plug connectors. In this way, the power cable 3 connected between the data cabin 1 and the acquisition cabin 2 adopts the wet plug connector, and when the acquisition cabin 2 fails or the sensor fails, the operator only needs to disconnect the plug of the connector on the power cable 3 to realize the underwater update.

[0053] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An underwater signal acquisition device, characterized by, The underwater signal acquisition device comprises: a data cabin (1); a collection cabin (2) arranged apart from the data cabin (1), wherein a plurality of signal collectors (21) are installed in the collection cabin (2); a power cable (3) for electrically connecting the data cabin (1) and the collection cabin (2), wherein the power cable (3) is electrically connected with the plurality of signal collectors (21); a detection assembly comprising at least one detection device arranged outside the collection cabin (2), wherein the detection device is electrically connected with the collection end of the plurality of signal collectors (21) through a signal line (5) to feed back a detection signal to the plurality of signal collectors (21); a first connector (7) and a second connector (8), wherein the first connector (7) is installed at the joint of the data cabin (1) and the power cable (3), and the second connector (8) is installed at the joint of the power cable (3) and the collection cabin (2); a power line carrier communication module comprising a first power line carrier communicator (13) and a second power line carrier communicator (23), wherein the first power line carrier communicator (13) is installed in the data cabin (1), the second power line carrier communicator (23) is installed in the collection cabin (2), the second power line carrier communicator (23) is electrically connected with the plurality of signal collectors (21), and the first power line carrier communicator (13) and the second power line carrier communicator (23) are connected through the power cable (3) and a power supply line.

2. The underwater signal acquisition device of claim 1, wherein, The underwater signal acquisition device further comprises a monitoring system (14) installed in the data cabin (1), wherein the monitoring system (14) is electrically connected with the first power line carrier communicator (13).

3. The underwater signal acquisition device of claim 1, wherein, The data cabin (1) is provided with a power supply module (11) electrically connected with the power cable (3).

4. The underwater signal acquisition device of claim 3, wherein, The data cabin (1) is provided with a first filter (12) electrically connected between the power supply module (11) and the power cable (3); and / or The collection cabin (2) is provided with a second filter (22) electrically connected between the power cable (3) and the plurality of signal collectors (21).

5. The underwater signal acquisition device of claim 1, wherein, The first connector (7) and the second connector (8) are wet plug-in connectors.

6. The underwater signal acquisition device according to any one of claims 1-5, characterized in that, The collection cabin (2) is provided with a water leakage sensor (24) adapted to detect water inflow data in the collection cabin (2), wherein the water leakage sensor (24) is electrically connected with the plurality of signal collectors (21).

7. The underwater signal acquisition device according to any one of claims 1-5, characterized in that, The detection assembly comprises: at least one pressure sensor (41) adapted to detect a pressure parameter of a water environment, wherein the pressure sensor (41) is electrically connected with the collection end of the plurality of signal collectors (21). A temperature sensor (42) adapted to detect a temperature parameter of the water environment, the temperature sensor (42) being electrically connected to the acquisition end of the multi-channel signal collector (21); A water depth sensor (43) adapted to detect a depth parameter of the water environment, the water depth sensor (43) being electrically connected to the acquisition end of the multi-channel signal collector (21); A flow meter (44) adapted to detect a flow parameter of the water environment, the flow meter (44) being electrically connected to the acquisition end of the multi-channel signal collector (21).

8. The underwater signal acquisition device of claim 7, wherein, The acquisition end of the multi-channel signal collector (21) is provided with a plurality of sensor interfaces.

9. The underwater signal acquisition device of claim 7, wherein, The acquisition cabin (2) is provided with a plurality of watertight connectors (6) fixedly connected to the wall surface of the acquisition cabin (2).

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