CN212605741U - Be used for withstand voltage sealed cabin of long distance wireless communication under water - Google Patents

Be used for withstand voltage sealed cabin of long distance wireless communication under water Download PDF

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Publication number
CN212605741U
CN212605741U CN202021735959.7U CN202021735959U CN212605741U CN 212605741 U CN212605741 U CN 212605741U CN 202021735959 U CN202021735959 U CN 202021735959U CN 212605741 U CN212605741 U CN 212605741U
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pressure
sealing
resistant
end cover
cabin body
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CN202021735959.7U
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洪进
贺文华
王彩玮
翁坤
张艳君
马琦
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China Ship Marine Exploration Technology Research Institute Co ltd
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China Ship Marine Exploration Technology Research Institute Co ltd
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Abstract

The utility model discloses a pressure-resistant sealed cabin for underwater long-distance wireless communication, which relates to the field of underwater detection communication and comprises a pressure-resistant glass window, a first sealed end cover, a lens module, a pressure-resistant cabin body, a communication circuit module, a circuit board fixing frame, a second sealed end cover and a watertight connector; the pressure-resistant glass window is connected with a first end of a first sealing end cover, a second end of the first sealing end cover is connected with a lens module, the first sealing end cover is connected with a first end of a pressure-resistant cabin body, a communication circuit module is installed in the pressure-resistant cabin body, circuit board fixing frames are arranged at two ends of the communication circuit module and are attached to the inner wall of the pressure-resistant cabin body respectively, the communication circuit module is used for transmitting or receiving optical signals, a second sealing end cover is connected with a second end of the pressure-resistant cabin body, and a watertight connector penetrates through the second sealing end cover and is connected with; the underwater wireless communication device has high watertight performance and seawater corrosion resistance, provides a safe and reliable sealing environment for underwater wireless communication facilities, and is simple and reliable in structure and convenient to install, construct and lay.

Description

Be used for withstand voltage sealed cabin of long distance wireless communication under water
Technical Field
The utility model belongs to the technical field of the underwater detection communication and specifically relates to a be used for the withstand voltage sealed cabin of long distance wireless communication under water.
Background
The ocean covers more than two thirds of the surface area of the earth and has abundant ocean resources, with the development and utilization of the ocean resources, more and more underwater detection equipment, ocean bottom observation systems and sensors are put into use, and more networks consisting of ocean bottom optical cables are required to be laid underwater in order to obtain more ocean information, which inevitably causes great increase of economic cost. Therefore, in order to save underwater communication cost, an underwater long-distance wireless optical communication mode with long transmission distance, high communication speed and good confidentiality is urgently needed, and the requirement is provided for the underwater long-distance wireless communication pressure-resistant sealed cabin.
The underwater wireless optical communication can collect data related to oceanography, monitor environmental pollution, climate change, submarine earthquake and volcano activity, probe submarine targets, transmit remote images and other activities by means of a marine observation system, has the characteristics of good underwater environment adaptability, quick expansion and upgrading, strong confidentiality, high communication rate and the like, is very suitable for interconnection and data information collection and exchange of various observation platforms in deep sea, and has very wide application prospect. The underwater long-distance wireless communication pressure-resistant sealed cabin is a prerequisite for realizing underwater long-distance wireless optical communication, so that the underwater wireless communication pressure-resistant sealed cabin which is simple in structure, suitable for seawater environment and capable of being quickly distributed needs to be designed.
SUMMERY OF THE UTILITY MODEL
The invention provides an underwater long-distance wireless communication pressure-resistant sealed cabin aiming at the problems and the technical requirements, the structure and the arrangement of the pressure-resistant sealed cabin are simple, and underwater wireless communication can be realized, so that the laying cost of submarine optical cables is greatly reduced, and the information exchange with underwater detection equipment is facilitated.
The technical scheme of the utility model as follows:
a pressure-resistant sealed cabin for underwater long-distance wireless communication comprises:
the pressure-resistant glass window is used for bearing the pressure of an external water body and is connected with the first end of the first sealing end cover to form a sealing surface;
the first sealing end cover is fixedly connected with the first end of the pressure-resistant cabin body and forms a sealing surface with the pressure-resistant glass window and the pressure-resistant cabin body, and the second end of the first sealing end cover is connected with the lens module;
the lens module is matched with the pressure-resistant glass window and is used for transmitting wireless optical signals;
the pressure-resistant cabin body provides a reliable sealed space for the communication circuit module to realize wireless communication;
the communication circuit module is arranged in the pressure-resistant cabin body and used for transmitting or receiving wireless optical signals and transmitting the processed signals to an external terminal through the watertight connector;
the first circuit board fixing frame is fixedly connected with the first end of the communication circuit module and is attached to the inner wall of the pressure-resistant cabin;
the second circuit board fixing frame is fixedly connected with the second end of the communication circuit module and is attached to the inner wall of the pressure-resistant cabin;
the second sealing end cover is fixedly connected with the second end of the pressure-resistant cabin body and forms a sealing surface with the pressure-resistant cabin body;
the watertight connector is used for transmitting photoelectric signals and providing electric energy, is arranged on the second sealing end cover and penetrates through the second sealing end cover to be connected with the communication circuit module;
the watertight connector, the pressure-resistant glass window, the first sealing end cover, the pressure-resistant cabin body and the second sealing end cover form an integral sealing cabin body.
The lens module comprises a lens and a lens pressing plate, the lens pressing plate is installed on the first end face of the lens, the second end face of the lens is close to the pressure-resistant glass window, and the lens is used as a receiving or transmitting window of a wireless optical signal and is fixedly connected with the first sealing end cover through the lens pressing plate.
The wireless communication pressure-resistant sealed cabin further comprises an adjusting support, the first end of the adjusting support is connected with the second circuit board fixing frame, the second end of the adjusting support is fixedly connected with the second sealing end cover, and the adjusting support is used for adjusting the focal length between a light source in the communication circuit module and the lens module.
The wireless communication pressure-resistant sealed cabin further comprises a fixing ring, and the fixing ring is used for fixing and pressing the pressure-resistant glass window and the first sealing end cover.
The further technical scheme is that the cross section of the first sealing end cover is in a circular ring shape, the second end face of the lens is located in the circular ring shape of the first sealing end cover, a threaded hole is formed in the second end of the first sealing end cover and is matched with the lens pressing plate for mounting the lens, and a sealing groove is formed in the first end of the first sealing end cover and is matched with the sealing end face of the pressure-resistant glass window to form longitudinal sealing.
The further technical scheme is that a first end of the pressure-resistant cabin body is provided with a matched sealing surface which is matched with a sealing groove of the first sealing end cover to form a transverse sealing end face, and a second end of the pressure-resistant cabin body is provided with a matched sealing surface which is matched with a sealing groove of the second sealing end cover to form a transverse sealing end face.
The further technical scheme is that the first circuit board fixing frame and the second circuit board fixing frame are in the same structural form and comprise rubber strips and metal frames, the metal frames are fixed at two ends of the communication circuit module and used for supporting and fixing the communication circuit module, and the rubber strips are installed in grooves in outer rings of the metal frames and are in contact with the inner wall of the pressure-resistant cabin body and used for reducing or filtering partial vibration.
The further technical scheme is that the first end of the adjusting support is used for adjusting the axial distance between the first end of the communication circuit module and the lens module through the second circuit board fixing frame.
The further technical scheme is that two O-shaped sealing rings are arranged between the lens and the first sealing end cover, two O-shaped sealing rings are arranged between the first sealing end cover and the pressure-resistant cabin body, and the lens, the first sealing end cover and the pressure-resistant cabin body form a first end of the pressure-resistant cabin body;
two O-shaped sealing rings are arranged between the pressure-resistant cabin body and the second sealing end cover, and the pressure-resistant cabin body and the second sealing end cover form a second end of the sealing cabin body.
The first end of the first sealed cabin body is opposite to the first end of the second sealed cabin body, and the first sealed cabin body receives wireless optical signals sent by the second sealed cabin body or transmits the wireless optical signals to the second sealed cabin body.
The utility model has the beneficial technical effects that:
the first end of the pressure-resistant sealed cabin is provided with a fixing ring, a pressure-resistant glass window and a first sealing end cover, wherein the fixing ring compresses the pressure-resistant glass window and the first sealing end cover with the pressure-resistant cabin body and is fixedly connected with the pressure-resistant cabin body through screws; the pressure-resistant glass window and the first sealing end cover form a double sealing surface through an O-shaped sealing ring, and the first sealing end cover and the pressure-resistant cabin form a double sealing surface through an O-shaped sealing ring, so that the high sealing effect of the pressure-resistant cabin is ensured; through the reasonable pressure-resistant glass window structure and the sealing mode, the sealing cabin can adapt to different water depth requirements, and internal components are guaranteed not to be under the action of water pressure. At the second end of withstand voltage sealed cabin, through setting up second end cover and watertight connector, can guarantee the full leakproofness of whole withstand voltage sealed cabin body, can realize the transmission of power supply and signal through a watertight connector. The adjustable support is arranged in the fixing mode of the communication circuit module, and distance adjustment between the light source and the lens is conveniently achieved.
Drawings
Fig. 1 is a schematic longitudinal sectional structural view of a pressure-tight cabin provided in the present application.
Fig. 2 is a schematic diagram of a three-dimensional structure of a lens in the pressure-tight capsule provided by the present application.
Fig. 3 is a schematic diagram of a three-dimensional structure of a circuit board fixing frame in a pressure-tight cabin provided by the present application.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The application discloses be used for withstand voltage sealed cabin of long distance wireless communication under water, as shown in figure 1, including solid fixed ring 1, withstand voltage glass window 2, first end cover 3, lens module, withstand voltage cabin body 6, communication circuit module 7, first circuit board mount 8, second circuit board mount 9, regulation support 10, second end cover 11 and watertight connector 12, wherein the lens module includes lens 4 and lens clamp plate 5.
The fixing ring 1 is used to fix the pressure-resistant glass window 2 and the first end cap 3.
The pressure-resistant glass window 2 is used for bearing the pressure of an external water body and is connected with the first end of the first sealing end cover 3 to form a sealing surface.
The first sealing end cover 3 is fixedly connected with a first end of the pressure-resistant cabin 6, a sealing surface is formed between the first sealing end cover and the pressure-resistant glass window 2 and the pressure-resistant cabin 6, and a second end of the first sealing end cover 3 is connected with the lens module. The cross section of the first sealing end cover 3 is in a circular ring shape, the second end face of the lens 4 is located in the circular ring shape of the first sealing end cover 3, a threaded hole is formed in the second end of the first sealing end cover 3 and matched with the lens pressing plate to be used for installing the lens 4, and a sealing groove is formed in the first end of the first sealing end cover 3 and matched with the sealing end face of the pressure-resistant glass window 2 to form longitudinal sealing.
The lens module is matched with the pressure-resistant glass window 2 for transmitting wireless optical signals. The lens pressing plate 5 is arranged on a first end face of the lens 4, a second end face of the lens 4 is close to the pressure-resistant glass window 2, and the lens 4 is used as a receiving or transmitting window of a wireless optical signal and is fixedly connected with the first sealing end cover 3 through the lens pressing plate 5. Two O-shaped sealing rings are arranged between the lens 4 and the first sealing end cover 3, two O-shaped sealing rings are arranged between the first sealing end cover 3 and the pressure-resistant cabin body 6, and the lens 4, the first sealing end cover 3 and the pressure-resistant cabin body 6 form a first end of the pressure-resistant cabin body. As shown in fig. 2, the lens 4 is a hemispherical structure and is made of high borosilicate glass. The lens 4 comprises a spherical structure 401 and a mounting frame 402, and the mounting frame 402 is fixedly attached to the lens pressing plate 5.
The pressure-resistant cabin 6 provides a reliable sealed space for the communication circuit module 7 to realize wireless communication. The first end of the pressure-resistant cabin body 6 is provided with a matching sealing surface which is matched with the sealing groove of the first sealing end cover 3 to form a transverse sealing end surface, namely, the radial sealing groove of the first sealing end cover 3 is partially arranged in the matching sealing surface of the inner cavity of the first end of the pressure-resistant cabin body 6, and the axial sealing groove of the first sealing end cover 3 is in plane contact with the pressure-resistant glass window 2. The second end of the pressure-resistant cabin 6 is provided with a mating sealing surface which is matched with the sealing groove of the second sealing end cover 11 to form a transverse sealing end surface, that is, the radial sealing groove of the second sealing end cover 11 is partially arranged in the mating sealing surface of the inner cavity of the second end of the pressure-resistant cabin 6.
The communication circuit module 7 is installed in the pressure-resistant cabin 6 and is used for transmitting or receiving wireless optical signals and transmitting the processed signals to an external terminal through the watertight connector 12. The communication circuit module 7 comprises a communication module, a power supply module and a light source 701 and is used for controlling, transmitting and collecting signals, the communication circuit module 7 of the application adopts a commercially available module, and the internal circuit structure of the communication circuit module is not specifically described herein.
The first circuit board fixing frame 8 is fixedly connected with the first end of the communication circuit module 7 and is attached to the inner wall of the pressure-resistant cabin 6.
The second circuit board fixing frame 9 is fixedly connected with the second end of the communication circuit module 7 and is attached to the inner wall of the pressure-resistant cabin 6.
The first circuit board fixing frame 8 and the second circuit board fixing frame 9 of the present application are in the same structural form, and taking the second circuit board fixing frame 9 as an example, as shown in fig. 3, the first circuit board fixing frame comprises a rubber strip 901 and a metal frame 902, wherein the rubber strip 901 is installed in a groove of an outer ring of the metal frame 902 in the form of an O-ring structural form and is in contact with the inner wall of the pressure-resistant cabin 6, so as to reduce or filter partial vibration; the metal frame 902 is fixed at the second end of the communication circuit module 7, the first mounting threaded hole 903 and the second mounting threaded hole 904 are arranged on the metal frame 902, the first mounting threaded hole 903 is used for supporting and fixing the communication circuit module 7, and the second mounting threaded hole 904 is used for mounting and connecting the adjustable bracket 10.
The first end of the adjusting support 10 is connected with the second circuit board fixing frame 9, the second end of the adjusting support 10 is fixedly connected with the second sealing end cover 11, and the adjusting support 10 is used for adjusting the focal length between the light source 701 in the communication circuit module 7 and the lens 4 module. The first end of the adjusting bracket 10 realizes the axial distance adjustment between the first end of the communication circuit module 7 and the lens 4 module through the second circuit board fixing frame 9.
The second sealing end cap 11 is fixedly connected to the second end of the pressure-resistant vessel 6 and forms a sealing surface with the pressure-resistant vessel 6. Two O-shaped sealing rings are arranged between the pressure-resistant cabin body 6 and the second sealing end cover 11, and the pressure-resistant cabin body 6 and the second sealing end cover 11 form a second end of the sealed cabin body.
The watertight connector 12 is used for transmitting photoelectric signals and providing electric energy, is arranged on the second sealing end cover 11 and penetrates through the second sealing end cover 11 to be connected with the communication circuit module 7.
The watertight connector 12 forms an integral sealed enclosure with the pressure resistant glazing 2, the first end cap 3, the pressure resistant enclosure 6 and the second end cap 11.
When the pressure-resistant sealed cabin is used, a pair of sealed cabin bodies is generally selected, that is, the first sealed cabin body and the second sealed cabin body are used simultaneously, the first end of the first sealed cabin body is arranged opposite to the first end of the second sealed cabin body, and the first sealed cabin body receives a wireless optical signal sent by the second sealed cabin body or transmits a wireless optical signal to the second sealed cabin body.
The innovation point of the underwater long-distance wireless communication pressure-resistant sealed cabin is that a reliable metal and nonmetal sealing mode is adopted, and the structure is simple in design; the difficulty of an optical path is solved by adopting a combination mode of a pressure-resistant glass window 2 and a lens 4; the adjusting bracket 10 is used for facilitating the adjustment of the distance between the light source 701 and the lens 4, thereby being beneficial to the control of optical signals; the technology can reliably solve the key technical problems of sealing and light receiving or transmitting of underwater wireless optical communication.
The underwater long-distance wireless communication pressure-resistant sealed cabin overcomes the defects of the traditional underwater sealed cabin to a great extent, is reliable in structure, convenient to use, high in mechanical strength, long in communication distance and simple in communication mode, can realize the underwater rapid communication function, greatly saves the system laying cost, has great economic benefit and social value, can provide a good underwater wireless communication connection platform for future marine scientific investigation and detection in China, and has wide market prospect and important social value.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims (10)

1. A pressure-resistant sealed cabin for underwater long-distance wireless communication is characterized by comprising:
the pressure-resistant glass window is used for bearing the pressure of an external water body and is connected with the first end of the first sealing end cover to form a sealing surface;
the first sealing end cover is fixedly connected with the first end of the pressure-resistant cabin body, a sealing surface is formed between the first sealing end cover and the pressure-resistant glass window and between the first sealing end cover and the pressure-resistant cabin body, and the second end of the first sealing end cover is connected with the lens module;
the lens module is matched with the pressure-resistant glass window and is used for transmitting wireless optical signals;
the pressure-resistant cabin provides a reliable sealed space for the communication circuit module to realize wireless communication;
the communication circuit module is arranged in the pressure-resistant cabin body and used for transmitting or receiving the wireless optical signal and transmitting the processed signal to an external terminal through a watertight connector;
the first circuit board fixing frame is fixedly connected with the first end of the communication circuit module and is attached to the inner wall of the pressure-resistant cabin;
the second circuit board fixing frame is fixedly connected with the second end of the communication circuit module and is attached to the inner wall of the pressure-resistant cabin;
the second sealing end cover is fixedly connected with the second end of the pressure-resistant cabin body and forms a sealing surface with the pressure-resistant cabin body;
the watertight connector is used for transmitting photoelectric signals and providing electric energy, is arranged on the second sealing end cover and penetrates through the second sealing end cover to be connected with the communication circuit module;
the watertight connector, the pressure-resistant glass window, the first sealing end cover, the pressure-resistant cabin body and the second sealing end cover form an integral sealing cabin body.
2. The underwater long-distance wireless communication pressure-proof sealed cabin according to claim 1,
the lens module comprises a lens and a lens pressing plate, the lens pressing plate is installed on the first end face of the lens, the second end face of the lens is close to the pressure-resistant glass window, the lens serves as a receiving or transmitting window of the wireless optical signal, and the lens is fixedly connected with the first sealing end cover through the lens pressing plate.
3. The underwater long-distance wireless communication pressure-proof sealed cabin according to claim 1, further comprising an adjusting bracket, wherein a first end of the adjusting bracket is connected to the second circuit board fixing frame, a second end of the adjusting bracket is fixedly connected to the second sealing end cover, and the adjusting bracket is used for adjusting a focal length between a light source in the communication circuit module and the lens module.
4. The underwater long-distance wireless communication pressure-proof capsule as claimed in claim 1, further comprising a fixing ring for fixedly pressing the pressure-proof glass window and the first sealing end cap.
5. The underwater long-distance wireless communication pressure-resistant sealed cabin according to claim 2, wherein the cross section of the first sealed end cover is in a circular ring shape, the second end face of the lens is located in the circular ring shape of the first sealed end cover, a threaded hole is formed in the second end of the first sealed end cover and is matched with the lens pressing plate for mounting the lens, and a sealing groove is formed in the first end of the first sealed end cover and is matched with the sealing end face of the pressure-resistant glass window to form longitudinal sealing.
6. The underwater long-distance wireless communication pressure-proof sealed cabin according to claim 1, wherein a mating sealing surface is arranged at a first end of the pressure-proof cabin body and is matched with the sealing groove of the first sealing end cover to form a transverse sealing end surface, and a mating sealing surface is arranged at a second end of the pressure-proof cabin body and is matched with the sealing groove of the second sealing end cover to form a transverse sealing end surface.
7. The underwater long-distance wireless communication pressure-resistant sealed cabin according to claim 1, wherein the first circuit board fixing frame and the second circuit board fixing frame are in the same structural form and comprise rubber strips and metal frames, the metal frames are fixed at two ends of the communication circuit module and used for supporting and fixing the communication circuit module, and the rubber strips are installed in grooves in outer rings of the metal frames and are in contact with the inner wall of the pressure-resistant cabin body and used for reducing or filtering partial vibration.
8. The underwater long-distance wireless communication pressure-resistant sealed cabin according to claim 3, wherein the first end of the adjusting bracket realizes axial distance adjustment between the first end of the communication circuit module and the lens module through the second circuit board fixing frame.
9. The underwater long-distance wireless communication pressure-resistant sealed cabin according to any one of claims 2 to 6, wherein two O-shaped sealing rings are arranged between the lens and the first sealing end cover, two O-shaped sealing rings are arranged between the first sealing end cover and the pressure-resistant cabin body, and the lens, the first sealing end cover and the pressure-resistant cabin body form a first end of the sealed cabin body;
two O-shaped sealing rings are arranged between the pressure-resistant cabin body and the second sealing end cover, and the pressure-resistant cabin body and the second sealing end cover form a second end of the sealed cabin body.
10. The underwater long-distance wireless communication pressure-proof sealed cabin of claim 1, wherein a first end of a first sealed cabin body is arranged opposite to a first end of a second sealed cabin body, and the first sealed cabin body receives the wireless optical signal sent by the second sealed cabin body or transmits the wireless optical signal to the second sealed cabin body.
CN202021735959.7U 2020-08-18 2020-08-18 Be used for withstand voltage sealed cabin of long distance wireless communication under water Active CN212605741U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021735959.7U CN212605741U (en) 2020-08-18 2020-08-18 Be used for withstand voltage sealed cabin of long distance wireless communication under water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021735959.7U CN212605741U (en) 2020-08-18 2020-08-18 Be used for withstand voltage sealed cabin of long distance wireless communication under water

Publications (1)

Publication Number Publication Date
CN212605741U true CN212605741U (en) 2021-02-26

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ID=74713346

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021735959.7U Active CN212605741U (en) 2020-08-18 2020-08-18 Be used for withstand voltage sealed cabin of long distance wireless communication under water

Country Status (1)

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CN (1) CN212605741U (en)

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