Be used for withstand voltage sealed cabin of long distance wireless communication under water
阅读说明:本技术 一种用于水下长距离无线通信耐压密封舱 (Be used for withstand voltage sealed cabin of long distance wireless communication under water ) 是由 洪进 贺文华 王彩玮 翁坤 张艳君 马琦 于 2020-08-18 设计创作,主要内容包括:本发明公开了一种用于水下长距离无线通信耐压密封舱,涉及水下探测通信领域,包括耐压玻璃窗、第一密封端盖、透镜模组、耐压舱体、通信电路模组、电路板固定架、第二密封端盖和水密连接器;耐压玻璃窗与第一密封端盖的第一端连接,第一密封端盖的第二端连接透镜模组,第一密封端盖与耐压舱体的第一端连接,通信电路模组安装在耐压舱体内且两端分别设有电路板固定架与耐压舱体的内壁贴合,通信电路模组用于发射或接收光信号,第二密封端盖与耐压舱体的第二端连接,水密连接器穿过第二密封端盖与通信电路模组连接;本申请具有较高的水密性能和耐海水腐蚀性能,可为水下无线通信设施提供安全可靠的密封环境,结构简单可靠、安装及施工布放方便。(The invention 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, wherein the first sealed end cover is arranged on the pressure-resistant glass window; 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, can provide 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.)
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 according to claim 1 or 9, wherein a first end of a first sealed cabin is disposed opposite to a first end of a second sealed cabin, and the first sealed cabin receives the wireless optical signal emitted from the second sealed cabin or emits the wireless optical signal to the second sealed cabin.
Technical Field
The invention relates to the field of underwater detection communication, in particular to a pressure-resistant sealed cabin for underwater long-distance wireless communication.
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.
Disclosure of Invention
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 invention is 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 beneficial technical effects of the invention are as follows:
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 further describes the embodiments of the present invention with reference to the 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,
The fixing ring 1 is used to fix the pressure-resistant glass window 2 and the
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
The first 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
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
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
The first circuit
The second circuit
The first circuit
The first end of the adjusting
The second sealing
The
The
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
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 embodiment. 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 concept of the present invention are to be considered as included within the scope of the present invention.
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