Anti-biofouling device for an underwater optical sensor

By introducing a post-reflection intensity acquisition module and a protective strength adjustment unit into the biological adhesion device of the underwater optical sensor, the function of adaptively adjusting the protective strength according to environmental conditions is realized, and the problem of poor anti-biological adhesion effect of existing devices when the environment is not matched is solved, ensuring the detection accuracy and stability of the sensor.

CN112456613BActive Publication Date: 2025-05-30TONGJI UNIV
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Patent Information

Application Number
CN202011354712.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-27
Publication Date
2025-05-30
Estimated Expiration
2040-11-27

AI Technical Summary

Technical Problem

The existing underwater membrane permeability sensor anti-biological attachment device cannot adjust the protection strength according to the environment, resulting in poor anti-biological attachment effect when the actual environment is not matched.

Method used

An anti-biological attachment device for an underwater optical sensor is designed, including a first anti-biological attachment unit and a second anti-biological attachment unit. The electrolytic strength is collected through the rear reflection intensity acquisition module, and the protection strength adjustment unit is used to adjust the electrolytic power according to the feedback electrolytic strength to achieve adaptive protection strength adjustment.

Benefits of technology

The device can adaptively adjust the protection strength according to environmental conditions, effectively inhibit the growth of biological attachments, and ensure the continuous stability of sensor detection accuracy.

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Abstract

The present invention discloses an anti-biofouling device for an underwater optical sensor, which comprises: a first anti-biofouling unit with a sensor disposed at one end; a second anti-biofouling unit with a back reflection intensity acquisition module disposed at one end. The first anti-biofouling unit and the second anti-biofouling unit have the same structure, and both the first anti-biofouling unit and the second anti-biofouling unit are used for electrolyzing water to generate chlorine gas; the back reflection intensity acquisition module is used for acquiring the electrolysis intensity of the second anti-biofouling unit, wherein the position of the sensor in the first anti-biofouling unit is the same as the position of the back reflection intensity acquisition module in the second anti-biofouling unit; a protection intensity adjustment unit, which is connected to the back reflection intensity acquisition module, the first anti-biofouling unit and the second anti-biofouling unit. The present invention can adaptively adjust the protection intensity of the sensor according to the environment, and thus can efficiently inhibit the growth of biofouling.
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Description

Technical Field

[0001] The present invention relates to the technical field of ocean engineering, and particularly relates to an anti-biofouling device for an underwater optical sensor. Background Art

[0002] Once a solid structure is placed in water, it will be affected by biofouling. The growth of a large number of biofouling organisms will inevitably affect the detection accuracy of scientific detection sensors. In order to ensure the continuous stability of the detection accuracy of the sensor, it is necessary to inhibit the growth of biofouling organisms in key parts, but at the same time, this prevention method cannot affect the accuracy of the detection data. The existing anti-biofouling devices for underwater membrane penetration sensors generally can only work according to the preset protection intensity. However, when the set value does not match the actual environment, the anti-biofouling effect is very poor. Therefore, there is a need for an anti-biofouling device that can adaptively adjust the protection intensity according to the environment. Summary of the Invention

[0003] Based on this, in view of the above technical problems, it is necessary to provide an anti-biofouling device for an underwater optical sensor, which can adaptively adjust the protection intensity according to the environment and can efficiently inhibit the growth of biofouling organisms.

[0004] An anti-biofouling device for an underwater optical sensor includes:

[0005] A first anti-biofouling unit, with a sensor provided at one end;

[0006] A second anti-biofouling unit, with a back reflection intensity acquisition module provided at one end. The first anti-biofouling unit and the second anti-biofouling unit have the same structure, and both the first anti-biofouling unit and the second anti-biofouling unit are used for electrolyzing water to generate chlorine. The back reflection intensity acquisition module is used to acquire the electrolysis intensity of the second anti-biofouling unit. Among them, the position of the sensor in the first anti-biofouling unit is the same as the position of the back reflection intensity acquisition module in the second anti-biofouling unit;

[0007] A protection intensity adjustment unit, connected to the back reflection intensity acquisition module, the first anti-biofouling unit, and the second anti-biofouling unit. The protection intensity adjustment unit can adjust the electrolysis power of the first anti-biofouling unit and the second anti-biofouling unit according to the electrolysis intensity fed back by the back reflection intensity acquisition module.

[0008] In one embodiment, the protection intensity adjustment unit includes a waterproof housing and an external power supply and communication interface;

[0009] Inside the waterproof housing, there are an electrolysis power adjustment module, a power supply control module, and a rear reflection intensity signal conversion module connected in sequence. The electrolysis power adjustment module is connected to the rear reflection intensity acquisition module. The rear reflection intensity signal conversion module is connected to the first anti-biofouling unit through a first connection line and is connected to the second anti-biofouling unit through a second connection line.

[0010] The external power supply communication interface is arranged outside the waterproof housing, and the external power supply communication interface is connected to the power supply control module.

[0011] In one embodiment, the shape of the waterproof housing is a hollow cylinder.

[0012] In one embodiment, the external power supply communication interface includes a threaded column section and a large cylinder section connected to each other. The threaded column section is connected to the waterproof housing. On one end face of the large cylinder section, there are multiple power receiving connection posts. On the other end face of the large cylinder section, there is an O-ring groove, and an O-ring is installed in the O-ring groove. The external power supply communication interface and the waterproof housing are in sealed cooperation through the O-ring. Among them, the multiple power receiving connection posts are used for external power supply and communication.

[0013] In one embodiment, the electrolysis power adjustment module, the power supply control module, and the rear reflection intensity signal conversion module are all in a plate structure and are all connected to the waterproof housing through bolts.

[0014] In one embodiment, the first anti-biofouling unit and the second anti-biofouling unit are cylindrical electrode nets.

[0015] For the above anti-biofouling device of the underwater optical sensor, by setting the structures of the first anti-biofouling unit and the second anti-biofouling unit to be the same, and making the position of the sensor in the first anti-biofouling unit the same as the position of the rear reflection intensity acquisition module in the second anti-biofouling unit. Then, by using the rear reflection intensity acquisition module to collect the electrolysis intensity emitted by the second anti-biofouling unit, the electrolysis intensity received by the sensor in the first anti-biofouling unit can be obtained. The protection intensity adjustment unit can adjust the electrolysis power of the first anti-biofouling unit and the second anti-biofouling unit according to the electrolysis intensity fed back by the rear reflection intensity acquisition module, so that the protection intensity of the sensor can be adaptively adjusted according to the environment, and thus the growth of biological attachments can be efficiently inhibited. Brief Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the anti-biofouling device of the underwater optical sensor of the present invention. Detailed Embodiments

[0017] For ease of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0018] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0020] Referring to Figure 1 as shown, an anti-biofouling device for an underwater optical sensor according to an embodiment of the present invention includes a first anti-biofouling unit 2, a second anti-biofouling unit 4, and a protection strength adjustment unit 1.

[0021] Specifically, the first anti-biofouling unit 2 is an underwater anti-biofouling inhibitor device based on the principle of electrolytic chlorine. The first anti-biofouling unit 2 can be a cylindrical electrode net, and a sensor 3 is provided at one end thereof. The first anti-biofouling unit 2 is used to electrolyze water to generate chlorine gas, which can prevent biofouling on the sensor 3.

[0022] The second anti-biofouling unit 4 can also be a cylindrical electrode net. A rear reflection intensity acquisition module 106 is provided at one end of the second anti-biofouling unit 4. The rear reflection intensity acquisition module 106 is used to acquire the electrolysis intensity of the second anti-biofouling unit 4. Among them, the structures of the first anti-biofouling unit 2 and the second anti-biofouling unit 4 are the same, and the position of the sensor 3 in the first anti-biofouling unit 2 is the same as the position of the rear reflection intensity acquisition module 106 in the second anti-biofouling unit 4;

[0023] The protection intensity adjustment unit 1 is connected to the rear reflection intensity acquisition module 106, the first anti-biofouling unit 2, and the second anti-biofouling unit 4. The protection intensity adjustment unit 1 can adjust the electrolysis power of the first anti-biofouling unit 2 and the second anti-biofouling unit 4 according to the electrolysis intensity fed back by the rear reflection intensity acquisition module 106.

[0024] For the above anti-biofouling device of the underwater optical sensor, by setting the structures of the first anti-biofouling unit 2 and the second anti-biofouling unit 4 to be the same, and making the position of the sensor 3 in the first anti-biofouling unit 2 the same as the position of the rear reflection intensity acquisition module 106 in the second anti-biofouling unit 4. Then, by using the rear reflection intensity acquisition module 106 to acquire the electrolysis intensity emitted by the second anti-biofouling unit 4, the electrolysis intensity of the sensor 3 can be obtained. The protection intensity adjustment unit 1 can adjust the electrolysis power of the first anti-biofouling unit 2 and the second anti-biofouling unit 4 according to the electrolysis intensity fed back by the rear reflection intensity acquisition module 106, so that the protection intensity of the sensor 3 can be adaptively adjusted according to the environment, and thus the growth of biofouling can be efficiently inhibited.

[0025] In an embodiment of the present invention, the protection intensity adjustment unit 1 includes a waterproof housing 101 and an external power supply and communication interface 102;

[0026] Specifically, the shape of the waterproof housing 101 is a hollow cylinder with circular planes at both ends. Inside the waterproof housing 101, there are sequentially connected an electrolysis power adjustment module 103, a power supply control module 104, and a rear reflection intensity signal conversion module 105.

[0027] It should be noted that the electrolysis power adjustment module 103 is connected to the rear reflection intensity acquisition module 106, and the connection method can be a wired connection through a cable or a wireless connection such as Bluetooth. The rear reflection intensity signal conversion module 105 is connected to the first anti-biofouling unit 2 through a first connection line 107, and the rear reflection intensity signal conversion module 105 is connected to the second anti-biofouling unit 4 through a second connection line 108; in the present invention, the power supply control module 104 can control the rear reflection intensity signal conversion module 105 to adjust the electrolysis power of the first anti-biofouling unit 2 and the second anti-biofouling unit 4, so as to adjust the electrolysis intensity emitted by them. Preferably, the first connection line 107 and the second connection line 108 are waterproof cables.

[0028] Among them, both the first connection line 107 and the second connection line 108 are cable assembly structures, with a waterproof cable in the middle section, a through-hull end structure in the shape of the external power supply and communication interface 102 at one end, and a dry watertight connector structure at the other end.

[0029] The external power supply communication interface 102 of the present invention is arranged outside the waterproof housing 101, and the external power supply communication interface 102 is connected to the power supply control module 104.

[0030] Specifically, the external power supply communication interface 102 includes a threaded post section 1021 and a large cylindrical section 1022 which are connected to each other. The threaded post section 1021 is connected to the waterproof housing 101, and a plurality of power receiving connection posts 1023 are arranged on one end face of the large cylindrical section 1022. In an embodiment of the present invention, in order to improve the sealing performance between the external power supply communication interface 102 and the waterproof housing 101, an O-ring groove 1024 is arranged on the other end face of the large cylindrical section 1022, and an O-ring is installed in the O-ring groove 1024. The external power supply communication interface 102 and the waterproof housing 101 are in sealed cooperation through the O-ring. Among them, the plurality of power receiving connection posts 1023 are used for external power supply and communication. In an embodiment of the present invention, the number of the power receiving connection posts 1023 is 6.

[0031] In the present invention, the electrolysis power adjustment module 103, the power supply control module 104, and the rear reflection intensity signal conversion module 105 are all in a plate-like structure and are all connected to the waterproof housing 101 through bolts. In other embodiments of the present invention, the electrolysis power adjustment module 103, the power supply control module 104, and the rear reflection intensity signal conversion module 105 can also be in structures such as cylinders and special shapes. The electrolysis power adjustment module 103, the power supply control module 104, and the rear reflection intensity signal conversion module 105 can also be connected to the waterproof housing 101 by means of snap connection or the like.

[0032] The working process of the present invention is divided into two states: a normal state and an abnormal state, which are specifically as follows:

[0033] Normal state: As Figure 1 shown, if the rear reflection intensity acquisition module 106 and the electrolysis power adjustment module 103 are equivalent to the preset state, the power supply control module 104 will control the rear reflection intensity signal conversion module 105 to make the first anti-biofouling unit 2 and the second anti-biofouling unit 4 work according to the preset power.

[0034] Abnormal state: As Figure 1 shown, if the rear reflection intensity acquisition module 106 and the electrolysis power adjustment module 103 are very different from the preset state, the power supply control module 104 will control the rear reflection intensity signal conversion module 105 to increase or decrease the power and electrolysis frequency of the first anti-biofouling unit 2 and the second anti-biofouling unit 4 until the light intensity collected by the rear reflection intensity acquisition module 106 and the electrolysis power adjustment module 103 is close to the preset value.

[0035] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as falling within the scope described in this specification.

[0036] The above-described embodiments merely represent several implementation manners of the present application, but should not be construed as limiting the scope of the patent of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An anti-biofouling device for an underwater optical sensor, characterized in that, it includes: A first anti-biofouling unit (2) with a sensor (4) provided at one end; A second anti-biofouling unit (3) with a back reflection intensity acquisition module (106) provided at one end. The first anti-biofouling unit (2) and the second anti-biofouling unit (3) have the same structure, and both the first anti-biofouling unit (2) and the second anti-biofouling unit (3) are used for electrolyzing water to generate chlorine. The back reflection intensity acquisition module (106) is used to acquire the electrolysis intensity of the second anti-biofouling unit (3). Among them, the position of the sensor (4) in the first anti-biofouling unit (2) is the same as the position of the back reflection intensity acquisition module (106) in the second anti-biofouling unit (3); A protection intensity adjustment unit (1) is connected to the back reflection intensity acquisition module (106), the first anti-biofouling unit (2) and the second anti-biofouling unit (3). The protection intensity adjustment unit (1) can adjust the electrolysis power of the first anti-biofouling unit (2) and the second anti-biofouling unit (3) according to the electrolysis intensity fed back by the back reflection intensity acquisition module (106); The protection intensity adjustment unit (1) includes a waterproof housing (101) and an external power supply and communication interface (102); Inside the waterproof housing (101), there is an electrolysis power adjustment module (103), a power supply control module (104) and a back reflection intensity signal conversion module (105) connected in sequence. The electrolysis power adjustment module (103) is connected to the back reflection intensity acquisition module (106). The back reflection intensity signal conversion module (105) is connected to the first anti-biofouling unit (2) through a first connection line (107), and the back reflection intensity signal conversion module (105) is connected to the second anti-biofouling unit (3) through a second connection line (108); The external power supply and communication interface (102) is provided outside the waterproof housing (101), and the external power supply and communication interface (102) is connected to the power supply control module (104); The first connection line (107) and the second connection line (108) are waterproof cables.

2. The anti-biofouling device for an underwater optical sensor according to claim 1, characterized in that, the shape of the waterproof housing (101) is a hollow cylinder.

3. The anti-biofouling device for an underwater optical sensor according to claim 2, characterized in that, The external power supply communication interface (102) includes a threaded post section (1021) and a large cylindrical section (1022) that are connected to each other. The threaded post section (1021) is connected to the waterproof housing (101). One end face of the large cylindrical section (1022) is provided with a plurality of power receiving terminal posts (1023). The other end face of the large cylindrical section (1022) is provided with an O-ring groove (1024). An O-ring is installed in the O-ring groove (1024). The external power supply communication interface (102) and the waterproof housing (101) are in sealed cooperation through the O-ring. Among them, the plurality of power receiving terminal posts (1023) are used for external power supply and communication.

4. The anti-biofouling device for an underwater optical sensor according to claim 2 or 3, characterized in that the electrolytic power adjustment module (103), the power supply control module (104), and the rear reflection intensity signal conversion module (105) are all in a plate-like structure and are all connected to the waterproof housing (101) by bolts.

5. The anti-biofouling device for an underwater optical sensor according to claim 1, characterized in that the first anti-biofouling unit (2) and the second anti-biofouling unit (3) are cylindrical electrode nets.

Citation Information

Patent Citations

  • Biological adhesion prevention device of underwater optical sensor

    CN214457050U