Marine riser underwater detection data transmission device, method and system

Abstract

The invention discloses a marine riser underwater detection data transmission device, method and system, and relates to the technical field of signal transmission. The cabled transmission mechanism is arranged on the offshore floating platform, and the cabled transmission mechanism comprises a transmission assembly, a communication cable connected with the transmission assembly, a communication node and a detection node deployed on the communication cable, and a reinforcing assembly arranged at the lower end of the communication cable; the cableless transmission mechanism is arranged on the lower surface of the offshore floating platform, and the cableless transmission mechanism comprises a pipe body and a plurality of groups of detectors arranged on the surface of the pipe body. According to the underwater monitoring system, the underwater acoustic communicator and the communication cable are combined, short-distance information transmission through the underwater acoustic communicator and long-distance information transmission through the communication cable at the seabed position can be achieved, and the communication cable is not arranged at the seabed, so that the maintenance cost can be reduced, and the requirement for underwater monitoring of the marine riser is met.

Description

Technical Field

[0001] The present invention relates to the technical field of signal transmission, and in particular to a method and system for transmitting underwater detection data of a marine riser. Background Art

[0002] The significance of underwater monitoring of marine risers is to ensure the safe and stable operation of risers, prevent accidents, extend the service life of equipment, and optimize maintenance and operating costs. Through comprehensive monitoring of risers, potential problems can be discovered in time, preventive measures can be taken, and accidents can be avoided. The monitored parameters include both inside and outside the pipe. The monitoring parameters inside the pipe are pressure, temperature, flow rate and corrosion rate, which are used to prevent structural failure caused by overpressure rupture, temperature damage, unstable fluid transportation and corrosion. The significance of monitoring is to timely discover and prevent potential safety hazards through real-time monitoring, ensure the reliable operation of risers under various marine environmental conditions, reduce downtime, optimize maintenance plans to reduce costs, extend service life, and prevent environmental pollution to protect marine ecology.

[0003] However, when transmitting detection data, cable transmission is generally adopted. Although it has the advantages of stable signal transmission, high bandwidth and strong anti-interference ability, its disadvantages are also very obvious, such as high installation and maintenance costs, and easy damage of cables. Especially in harsh marine environments, the laying and maintenance of cables require a lot of manpower and material resources, so a new transmission method is needed. Summary of the invention

[0004] In view of the problems existing in the existing marine riser underwater detection data transmission and system, the present invention is proposed.

[0005] Therefore, the problem to be solved by the present invention is that the existing cable transmission method in the marine environment requires a large amount of manpower and material resources to be wasted.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] In a first aspect, an embodiment of the present invention provides a marine riser underwater detection data transmission device, which includes:

[0008] Offshore floating platforms;

[0009] A cable transmission mechanism is arranged on the offshore floating platform, and the cable transmission mechanism includes a transmission component, a communication cable connected to the transmission component, a communication node and a detection node deployed on the communication cable, and a reinforcement component arranged at the lower end of the communication cable;

[0010] A cableless transmission mechanism is arranged on the lower surface of the offshore floating platform, and the cableless transmission mechanism includes a pipe body and a plurality of groups of detectors arranged on the surface of the pipe body;

[0011] Wherein, the lower end of the pipe body is inserted into the seabed.

[0012] As a preferred solution of the marine riser underwater detection data transmission device of the present invention, the transmission assembly includes a frame fixed to the offshore floating platform, a winch fixed to the frame, and a winder arranged on the winch.

[0013] As a preferred solution of the underwater detection data transmission device for a marine riser of the present invention, wherein: the reinforcement component comprises an underwater acoustic communicator arranged at the lower end of the communication cable, and a counterweight block arranged below the underwater acoustic communicator;

[0014] The weight calculation formula of the counterweight block is:

[0015] F=(W+F current +F wave )×1.5

[0016] In the formula, F represents the pulling force, W represents the weight of the counterweight, and F current Expressed as the ocean current force, F wave It is expressed as wave force;

[0017] Wherein, the counterweight block is a component made of alloy steel.

[0018] In a second aspect, an embodiment of the present invention provides a method for transmitting underwater detection data of a marine riser, which comprises the following steps:

[0019] Acquire the situation information of the pipe surface through the detector, and acquire the seawater information through the detection node;

[0020] Transmit the pipe body information and seawater information to the communication node, and then transmit the decrypted information to the underwater acoustic communicator;

[0021] The situation information and seawater information are transmitted to the communication cable through the hydroacoustic communicator, and the situation information and seawater information received by the communication cable are displayed using the information terminal.

[0022] As a preferred solution of the method for transmitting underwater detection data of a marine riser according to the present invention, the method for transmitting the detector to a communication node comprises the following steps:

[0023] The detector is used to obtain the situation information on the surface of the pipe body, and then the obtained situation information is encrypted according to the detection type. A set of encrypted situation information is represented as follows:

[0024]

[0025] in, It represents the situation information, λ represents the encryption key, and () represents treating the internal situation information as a whole;

[0026] After that, the encrypted information is output through the transmitter on the detector. When outputting, the whole information is marked with a serial number, which is specifically expressed as follows:

[0027]

[0028] Among them, α represents the serial number;

[0029] By identifying the specific value of the serial number α, the corresponding communication node is selected to receive the situation information, and then the corresponding key is used to decrypt the key to obtain the internal situation information

[0030] The same steps are then used to transmit the remaining situation information on the pipe surface and the seawater information obtained by the detection node.

[0031] As a preferred solution of the method for transmitting underwater detection data of a marine riser according to the present invention, when the underwater acoustic communicator receives situation information and seawater information, the receiving method includes:

[0032] Temporarily storing the received pipe condition information and seawater information in a storage module of the hydroacoustic communicator;

[0033] By judging the integrity of the pipe body information and the seawater information, the information is transmitted to the communication cable until it is complete.

[0034] Delete the pipe condition information and seawater information temporarily stored in the storage module of the hydroacoustic communicator and receive it next time;

[0035] Among them, the integrity verification method for pipe condition information and seawater information includes:

[0036] Obtain the complete data types of the pipe condition information and seawater information, fill in the received information according to the data type, and when there is a vacancy, query the corresponding data type, and reversely transmit the missing signal to the corresponding communication node, so that the communication node re-transmits the information to the underwater acoustic communicator, and finally adds it to the underwater acoustic communicator. When the communication node does not save the data information, transmit the missing signal to the corresponding detector or detection node for the second time, so that the detector or detection node re-transmits the data information to the communication node, and then transmits it to the underwater acoustic communicator until the information is complete.

[0037] As a preferred solution of the method for underwater detection of marine riser data transmission of the present invention, when the communication cable transmits complete information, the transmission frequency is adjusted, and the specific adjustment method includes:

[0038] The ocean temperature measured by the detection node is obtained through the information terminal and drawn into a visual chart. The transmission frequency of the communication cable is adjusted according to the change of ocean temperature. The transmission frequency is adjusted inversely proportional to the ocean temperature.

[0039] When the communication cable transmits complete information, a signal is added to both the start and end of the complete information, which is specifically expressed as:

[0040]

[0041] Among them, β represents the starting end, μ represents the ending end, Represented as transmitted to complete information;

[0042] When transmitted to the information terminal, it will detect whether the transmitted complete information has a start end and an end end. When the start end or the end end is missing, it means that the complete information is missing, and the complete information is retransmitted through the communication cable. When the start end or the end end is not missing, it means that the complete information is correct, and the complete information is received, and the corresponding timestamp is generated.

[0043] In a third aspect, an embodiment of the present invention provides a marine riser underwater detection data transmission system, which includes an information terminal, a wired transmission module, a wireless transmission module, and a detection module;

[0044] The information terminal is used to receive various inspection data and take targeted measures according to the received data;

[0045] The wired transmission module is used to transmit various inspection data over long distances to ensure the stability of information transmission;

[0046] The wireless transmission module is used to transmit various inspection data to the hydroacoustic communicator, and then can be transmitted to the communication cable;

[0047] The verification module is used to verify the various data received to ensure the integrity of the data, avoid data loss, and increase the accuracy of data transmission.

[0048] In a fourth aspect, an embodiment of the present invention provides a computer device, comprising a memory and a processor, wherein the memory stores a computer program, wherein: when the processor executes the computer program, any step of the above-mentioned marine riser underwater detection data transmission method is implemented.

[0049] In a fifth aspect, an embodiment of the present invention provides a computer-readable storage medium having a computer program stored thereon, wherein: when the computer program is executed by a processor, any step of the above-mentioned method for transmitting underwater detection data of a marine riser is implemented.

[0050] The beneficial effects of the present invention are as follows: by combining the hydroacoustic communicator and the communication cable, it is possible to use the hydroacoustic communicator for short-distance information transmission at the seabed and use the communication cable for long-distance information transmission, and the communication cable is not arranged on the seabed, so the maintenance cost can be reduced, and the needs of underwater monitoring of marine risers are met, and parameter data inside and outside the marine riser can be collected and transmitted, including pressure, temperature, flow rate, corrosion, stress, vibration, sea current speed and direction, etc., which provides a scientific basis for the safe operation of the marine riser;

[0051] Using different communication nodes to receive situation information can quickly complete the decryption of the situation information, thereby obtaining internal situation information. When the data information is then transmitted using a communication cable, the integrity of the data can be guaranteed to prevent data loss or omission. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0053] Figure 1 This is a structural diagram of the data transmission device for underwater detection of marine risers.

[0054] Figure 2 Flow chart of the data transmission method for underwater detection of marine risers.

[0055] Figure 3 Schematic diagram of the hydroacoustic communicator receiving method for underwater detection data of marine riser. DETAILED DESCRIPTION

[0056] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0057] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0058] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0059] The present invention is described in detail with reference to schematic diagrams. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0060] At the same time, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first, second or third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0061] In the present invention, unless otherwise clearly specified and limited, the terms "install, connect, connect" should be understood in a broad sense, for example: it can be a fixed connection, a detachable connection or an integral connection; it can also be a mechanical connection, an electrical connection or a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Example 1

[0063] Reference Figure 1 , which is the first embodiment of the present invention, provides a marine riser underwater detection data transmission device, comprising:

[0064] Offshore floating platform 100;

[0065] A cable transmission mechanism 200 is arranged on the offshore floating platform 100, and the cable transmission mechanism 200 includes a transmission component 201, a communication cable 202 connected to the transmission component 201, a communication node 203 and a detection node 204 deployed on the communication cable 202, and a reinforcement component 205 arranged at the lower end of the communication cable 202;

[0066] The cableless transmission mechanism 300 is arranged on the lower surface of the offshore floating platform 100. The cableless transmission mechanism 300 includes a pipe body 301 and a plurality of detectors 302 arranged on the surface of the pipe body 301.

[0067] The lower end of the pipe body 301 is inserted into the seabed.

[0068] Furthermore, the transmission assembly 201 includes an A frame 201a fixed to the offshore floating platform 100, a winch 201b fixed to the A frame 201a, and a winder 201c arranged on the winch 201b;

[0069] The use of the A frame 201a can fix the positions of the winch 201b and the winder 201c to avoid shaking.

[0070] Furthermore, the reinforcement assembly 205 includes an underwater acoustic communicator 205a disposed at the lower end of the communication cable 202, and a counterweight block 205b disposed below the underwater acoustic communicator 205a;

[0071] The weight calculation formula of the counterweight block 205b is:

[0072] F=(W+F current +F wave )×1.5

[0073] Where, F represents the pulling force, W represents the weight of the counterweight 205b, and F current Expressed as the ocean current force, F wave It is expressed as wave force;

[0074] Wherein, the counterweight block 205b is a component made of alloy steel;

[0075] When in use, the current force and wave force are measured in advance, and then in order to ensure that the communication cable 202 is pulled as a whole, the weight of the counterweight block 205b is adjusted so that the output tension is greater than the upward tension of the communication cable 202.

[0076] In summary, the counterweight block 205b is made of alloy steel, and its durability is significantly increased and its corrosion resistance is stronger than that of the counterweight block 205b made of iron. The counterweight block 205b made of steel has high hardness and therefore can easily break the communication cable 202, causing unnecessary losses. This embodiment can ensure the normal transmission of data of the communication cable 202 by adjusting the material and weight of the counterweight block 205b.

[0077] Example 2

[0078] Reference Figure 2 and Figure 3 Based on the first embodiment, this embodiment further provides a method for transmitting underwater detection data of a marine riser, the transmission method comprising the following steps:

[0079] S1. Obtaining information about the surface of the pipe body 301 through the detector 302 and obtaining seawater information through the detection node 204.

[0080] The detector 302 obtains information about the surface of the pipe body 301 including corrosion, stress, and vibration frequency of the surface of the pipe body 301 , and the detection node 204 obtains seawater information including current velocity, flow direction, seawater pressure, and seawater temperature.

[0081] S2. The status information of the pipe body 301 and the seawater information are transmitted to the communication node 203, and the decrypted information is then transmitted to the underwater acoustic communicator 205a.

[0082] The method of transmitting the detector 302 to the communication node 203 comprises the following steps:

[0083] The detector 302 obtains the situation information on the surface of the tube body 301, and then encrypts the obtained situation information according to the detection type. A set of encrypted situation information is represented as follows:

[0084]

[0085] in, It represents the situation information, λ represents the encryption key, and () represents treating the internal situation information as a whole;

[0086] Then, the encrypted situation information is outputted through the transmitter on the detector 302. When outputting, the whole information is marked with a serial number, which is specifically represented as follows:

[0087]

[0088] Among them, α represents the serial number;

[0089] By identifying the specific value of the sequence number α, the corresponding communication node 203 is selected to receive the situation information, and then the corresponding key is used to decrypt the key to obtain the internal situation information

[0090] Then, the remaining situation information on the surface of the pipe body 301 and the seawater information acquired by the detection node 204 are transmitted through the same steps;

[0091] When in use, because the types of the multiple sets of detectors 302 are different, different types of detectors 302 will detect different conditions of the tube body 301, such as corrosion, vibration frequency, stress, pressure, etc. If the detection type is corrosion, the detection data is encrypted, and according to the detection type of the detector 302, a sequence number α is output, such as sequence number 3, and then the communication node 203 corresponding to sequence number 3 is selected to receive the situation information, and the received content can be decrypted through the communication node 203, and finally the internal information is obtained;

[0092] If other communication nodes 203 are used to decrypt the situation information, decryption failure will occur due to mismatch. Therefore, only the serial number α needs to be identified to quickly match the communication node 203 with the corresponding detector 302.

[0093] Furthermore, when the underwater acoustic communicator 205a receives the situation information and the seawater information, the receiving method includes:

[0094] Temporarily storing the received pipe body 301 condition information and seawater information in the storage module of the underwater acoustic communicator 205a;

[0095] By judging the integrity of the pipe body 301 situation information and the seawater information, the information is transmitted to the communication cable 202 until it is complete;

[0096] Delete the pipe body 301 condition information and seawater information temporarily stored in the storage module of the underwater acoustic communicator 205a, and receive it next time;

[0097] The method for verifying the integrity of the pipe body 301 information and the seawater information includes:

[0098] Obtain the complete data types of the pipe body 301 condition information and the seawater information, fill in the received information according to the data type, and when there is a vacancy, query the corresponding data type, and reversely transmit the missing signal to the corresponding communication node 203, so that the communication node 203 re-transmits the information to the underwater acoustic communicator 205a, and finally adds it to the underwater acoustic communicator 205a. When the communication node 203 does not save the data information, the missing signal is transmitted to the corresponding detector 302 or detection node 204 for the second time, so that the detector 302 or detection node 204 re-transmits the data information to the communication node 203, and then transmits it to the underwater acoustic communicator 205a until the information is complete;

[0099] When in use, the number of types detected this time will be obtained in advance, and then it will be determined whether the number of received data matches the number of types detected this time. If there is a missing Figure 3As shown, the number of types of this detection is pre-acquired as 8. When the first three acquisitions are made, the number of received data matches the number of types of this detection, and the data is output normally. After each successful output, the data is deleted. When the data is received for the fourth time, when corrosion and stress are missing, the corresponding communication node 203 is found through the serial numbers corresponding to corrosion and stress, and the information of corrosion and stress is retransmitted.

[0100] S3. The situation information and seawater information are transmitted to the communication cable 202 through the hydroacoustic communicator 205a, and the situation information and seawater information received by the communication cable 202 are displayed using the information terminal.

[0101] Furthermore, when the communication cable 202 transmits complete information, the transmission frequency is adjusted. The specific adjustment method includes:

[0102] The ocean temperature measured by the detection node 204 is obtained through the information terminal and drawn into a visual chart, and the transmission frequency of the communication cable 202 is adjusted according to the change of the ocean temperature, and the transmission frequency is adjusted inversely proportional to the ocean temperature;

[0103] When the communication cable 202 transmits complete information, a signal is added to both the start and end of the complete information, which is specifically expressed as:

[0104]

[0105] Among them, β represents the starting end, μ represents the ending end, Represented as transmitted to complete information;

[0106] When the information is transmitted to the information terminal, it is detected whether the transmitted complete information has a start end and an end end. If the start end or the end end is missing, it means that the complete information is missing. The complete information is retransmitted through the communication cable 202. If the start end or the end end is not missing, it means that the complete information is correct. The complete information is received and a corresponding timestamp is generated.

[0107] When in use, the various data transmitted by the underwater acoustic communicator 205a will be integrated and finally integrated into complete information, and a verification information will be added to the beginning and end of the complete information respectively. Finally, when the complete information is received, it is checked whether the verification information at the beginning and end exists, so as to determine whether the data of the complete information is lost.

[0108] In summary, by combining the hydroacoustic communicator 205a and the communication cable 202, it is possible to use the hydroacoustic communicator 205a for short-distance information transmission at the seabed and use the communication cable 202 for long-distance information transmission. Moreover, the communication cable 202 is not arranged on the seabed, thereby reducing maintenance costs, meeting the needs of underwater monitoring of marine risers, and collecting and transmitting parameter data inside and outside the marine riser, including pressure, temperature, flow rate, corrosion, stress, vibration, ocean current speed and direction, etc., providing a scientific basis for the safe operation of the marine riser; using different communication nodes 203 to receive situation information, it is possible to quickly complete the decryption of the situation information, thereby obtaining the internal situation information, and then when the communication cable 202 is used to transmit the data information, it is possible to ensure the integrity of the data and prevent the loss or omission of data.

[0109] This embodiment also provides a computer device, which is applicable to the case of the method for transmitting underwater detection data of a marine riser, and includes a memory and a processor; the memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions to implement the method for transmitting underwater detection data of a marine riser as proposed in the above embodiment.

[0110] The computer device may be a terminal, and the computer device includes a processor, a memory, a communication interface, a display screen and an input device connected via a system bus. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The communication interface of the computer device is used to communicate with an external terminal in a wired or wireless manner, and the wireless manner can be achieved through WIFI, an operator network, NFC (near field communication) or other technologies. The display screen of the computer device may be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer device may be a touch layer covering the display screen, or a key, trackball or touchpad provided on the housing of the computer device, or an external keyboard, touchpad or mouse, etc.

[0111] Example 3

[0112] On the basis of the previous two embodiments, this embodiment provides a marine riser underwater detection data transmission system, including an information terminal, a wired transmission module, a wireless transmission module, and a detection module;

[0113] The information terminal is used to receive various inspection data and take targeted measures according to the received data;

[0114] The wired transmission module is used to transmit various inspection data over long distances to ensure the stability of information transmission;

[0115] The wireless transmission module is used to transmit various inspection data to the underwater acoustic communicator 205a, and then can be transmitted to the communication cable 202;

[0116] The verification module is used to verify the various data received to ensure the integrity of the data, avoid data loss, and increase the accuracy of data transmission.

[0117] This embodiment also provides a storage medium on which a computer program is stored. When the program is executed by a processor, the method for transmitting underwater detection data of a marine riser as proposed in the above embodiment is implemented.

[0118] The storage medium proposed in this embodiment and the data storage method proposed in the above embodiment belong to the same inventive concept. The technical details not fully described in this embodiment can be found in the above embodiment, and this embodiment has the same beneficial effects as the above embodiment.

[0119] Example 4

[0120] On the basis of the previous three embodiments, this embodiment provides a method for transmitting underwater detection data of a marine riser. In order to verify the beneficial effects of the present invention, scientific demonstration is carried out through economic benefit calculation and simulation experiments.

[0121] Comparative Example 1: Using cable transmission;

[0122] Comparative Example 2: Using a cable-free transmission method;

[0123] Comparative Example 3: The method of Example 2 is adopted, but without data encryption and integrity verification;

[0124]

[0125] By comparing the transmission modes, embodiment 2 can realize data transmission without cables on the seabed, and when data is transmitted over long distances, the output is completed through cables. Secondly, the cables are not laid on the seabed, so it is convenient to recover and inspect the cables.

[0126] By comparing the data transmission efficiency, Example 2 can adjust its own transmission frequency according to the actual situation. For example, when the temperature drops from 20°C to 10°C, the signal frequency needs to be increased from 2.4GHz to 2.6GHz, and the signal power may need to be increased from 10dBm to 13dBm to compensate for the signal attenuation caused by the temperature drop.

[0127] By comparing the data integrity, embodiment 2 can ensure data verification and prevent certain data missing from causing errors in the application of the pipe body 301;

[0128] Through the comparison of data security, this embodiment 2 can ensure the stability of data transmission, prevent interference from the outside world, and can complete decryption through corresponding equipment, thereby improving the speed of decryption and facilitating the staff to read data.

[0129] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A marine riser underwater detection data transmission device, characterized in that: include, Offshore floating platform (100); A cable transmission mechanism (200) is arranged on the offshore floating platform (100), the cable transmission mechanism (200) comprising a transmission component (201), a communication cable (202) connected to the transmission component (201), a communication node (203) and a detection node (204) deployed on the communication cable (202), and a reinforcement component (205) arranged at the lower end of the communication cable (202); A cableless transmission mechanism (300) is arranged on the lower surface of the offshore floating platform (100), wherein the cableless transmission mechanism (300) comprises a pipe body (301) and a plurality of groups of detectors (302) arranged on the surface of the pipe body (301); Wherein, the lower end of the pipe body (301) is inserted into the seabed.

2. The underwater detection data transmission device for a marine riser according to claim 1, characterized in that: The transmission assembly (201) comprises an A frame (201a) fixed to the offshore floating platform (100), a winch (201b) fixed to the A frame (201a), and a winder (201c) arranged on the winch (201b).

3. The underwater detection data transmission device for a marine riser according to claim 1 or 2, characterized in that: The reinforcement component (205) includes an underwater acoustic communicator (205a) arranged at the lower end of the communication cable (202), and a counterweight (205b) arranged below the underwater acoustic communicator (205a); The weight calculation formula of the counterweight block (205b) is: F=(W+F current +F wave )×1.5 Where, F represents the pulling force, W represents the weight of the counterweight (205b), and F current Expressed as the ocean current force, F wave It is expressed as wave force; Wherein, the counterweight block (205b) is a component made of alloy steel.

4. A method for transmitting underwater detection data of a marine riser, applied to the transmission device as claimed in claim 3, the transmission method comprising the following steps: Acquiring information about the surface of the pipe body (301) through the detector (302), and acquiring seawater information through the detection node (204); Transmitting the situation information of the pipe body (301) and the seawater information to the communication node (203), and then transmitting the decrypted information to the underwater acoustic communicator (205a); The situation information and seawater information are transmitted to the communication cable (202) through the hydroacoustic communicator (205a), and the situation information and seawater information received by the communication cable (202) are displayed using an information terminal.

5. The method for transmitting underwater detection data of a marine riser according to claim 4, characterized in that: The method of transmitting the detector (302) to the communication node (203) comprises the following steps, The detector (302) obtains information about the surface of the tube body (301), and then encrypts the obtained information according to the detection type. A set of encrypted information is represented as follows: in, It represents the situation information, λ represents the encryption key, and () represents treating the internal situation information as a whole; The encrypted information is then outputted through the transmitter on the detector (302). When outputting, the whole information is marked with a serial number, which is specifically represented as follows: Among them, α represents the serial number; By identifying the specific value of the sequence number α, the corresponding communication node (203) is selected to receive the situation information, and then the corresponding key is used to decrypt the key to obtain the internal situation information The same steps are then used to transmit the remaining situation information on the surface of the pipe body (301) and the seawater information obtained by the detection node (204).

6. The method for transmitting underwater detection data of a marine riser according to claim 5, characterized in that: When the underwater acoustic communicator (205a) receives situation information and seawater information, the receiving method includes: Temporarily storing the received pipe body (301) condition information and seawater information in a storage module of the underwater acoustic communicator (205a); By judging the integrity of the pipe body (301) information and the seawater information, the information is transmitted to the communication cable (202) until it is complete; Deleting the pipe body (301) condition information and seawater information temporarily stored in the storage module of the underwater acoustic communicator (205a) and performing the next reception; The method for verifying the integrity of the pipe body (301) information and the seawater information includes: The complete data types of the pipe body (301) condition information and the seawater information are obtained, and the received information is filled in according to the data type. When a vacancy occurs, the corresponding data type is queried, and a missing signal is transmitted in reverse to the corresponding communication node (203), so that the communication node (203) re-transmits the information to the underwater acoustic communicator (205a), and finally adds it to the underwater acoustic communicator (205a). When the communication node (203) does not save the data information, the missing signal is transmitted again to the corresponding detector (302) or detection node (204), so that the detector (302) or detection node (204) re-transmits the data information to the communication node (203), and then transmits it to the underwater acoustic communicator (205a) until the information is complete.

7. The method for transmitting underwater detection data of a marine riser according to claim 6, characterized in that: When the communication cable (202) transmits complete information, the transmission frequency is adjusted. The specific adjustment method includes: The ocean temperature measured by the detection node (204) is obtained through the information terminal and drawn into a visual chart, and the transmission frequency of the communication cable (202) is adjusted according to the change of the ocean temperature, and the transmission frequency is adjusted inversely proportional to the ocean temperature; When the communication cable (202) transmits complete information, a signal is added to both the start and end of the complete information, which is specifically expressed as: Among them, β represents the starting end, μ represents the ending end, Represented as transmitted to complete information; When the information is transmitted to the information terminal, it is detected whether the transmitted complete information has a start end and an end end. When the start end or the end end is missing, it means that the complete information is missing, and the complete information is retransmitted through the communication cable (202). When the start end or the end end is not missing, it means that the complete information is correct, and the complete information is received and a corresponding timestamp is generated.

8. A marine riser underwater detection data transmission system, based on the marine riser underwater detection data transmission method according to any one of claims 4 to 7, characterized in that: It includes an information terminal, a wired transmission module, a wireless transmission module, and a testing module; The information terminal is used to receive various inspection data and take targeted measures according to the received data; The wired transmission module is used to transmit various inspection data over long distances to ensure the stability of information transmission; The wireless transmission module is used to transmit various inspection data to the underwater acoustic communicator (205a), and then can be transmitted to the communication cable (202); The verification module is used to verify the various data received to ensure the integrity of the data, avoid data loss, and increase the accuracy of data transmission.

9. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the method for transmitting underwater detection data of a marine riser according to any one of claims 4 to 7 are implemented.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method for transmitting underwater detection data of a marine riser according to any one of claims 4 to 7 are implemented.

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