Optical imaging device and underwater detection equipment

Abstract

The utility model discloses an optical imaging device and underwater detection equipment, and relates to the underwater detection equipment field, the optical imaging device comprises a waterproof sealing box, a shooting assembly and an illumination assembly, the waterproof sealing box is detachably installed on an underwater vehicle, and the outer side wall is provided with a first watertight connector; the shooting assembly is arranged in the waterproof sealing box and comprises a first waterproof sealing shell and a camera in the first waterproof sealing shell, the first waterproof sealing shell can move and / or rotate relative to the waterproof sealing box, and the camera is electrically connected with the first watertight connector; the lighting assembly is arranged in the waterproof sealing box and comprises a second waterproof sealing shell and a lighting lamp in the second waterproof sealing shell, the second waterproof sealing shell can move and / or rotate relative to the waterproof sealing box, and the lighting lamp is electrically connected with the first watertight connector; the included angle and / or distance between the illuminating lamp and the camera can be adjusted, suspended particles, organic substances, biological debris and the like in water are avoided, high-definition images are obtained, and the device is suitable for detection work in turbid and high-depth water areas.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater detection equipment, and in particular to an optical imaging device and underwater detection equipment. Background Art

[0002] The ocean is the cradle of life, a treasure house of resources, a main transportation route and a barrier to national security. To accelerate the construction of a strong maritime nation, we must further understand the ocean, develop the ocean and manage the ocean. The ocean is a strategic place for high-quality development, and the future development trend is to move towards the deep blue. Building a strong maritime nation is inseparable from the progress of marine science and technology. Underwater submersibles play an important role in underwater observation, resource exploration, data collection, national defense construction and other aspects. They are a powerful tool for developing and managing the ocean.

[0003] When underwater submersibles perform detection missions, the safety and reliability of optical imaging devices are related to the efficiency of underwater work and the quality of detection missions. Optical imaging devices can capture images and video data in underwater environments and provide them to the control system for tasks such as image data acquisition, image enhancement, image stitching, target detection, and defect detection. In complex environments such as oceans and urban pipelines, optical imaging devices face multiple challenges. Factors such as suspended particles, organic matter, and biological debris in the water increase the turbidity of the water, thereby reducing light transmittance and damaging image clarity and resolution. Utility Model Content

[0004] The main purpose of the utility model is to provide an optical imaging device and underwater detection equipment suitable for turbid and high-depth waters.

[0005] To achieve the above-mentioned purpose, the utility model proposes an optical imaging device for use in underwater detection equipment, the optical imaging device comprising:

[0006] A waterproof sealed box, which is used to be detachably mounted on a submersible, and an outer side wall of which is provided with a first watertight connector, wherein the first watertight connector is used to be electrically connected to a power supply and a controller in the submersible;

[0007] a shooting assembly, arranged in the waterproof sealed box, comprising a first waterproof sealed housing and a camera, wherein the first waterproof sealed housing can move and / or rotate relative to the waterproof sealed box, and the camera is arranged in the first waterproof sealed housing and electrically connected to the first watertight connector; and

[0008] The lighting assembly is arranged in the waterproof sealed box, and includes a second waterproof sealed shell and a lighting lamp. The second waterproof sealed shell can move and / or rotate relative to the waterproof sealed box. The lighting lamp is arranged in the second waterproof sealed shell and is electrically connected to the first watertight connector.

[0009] Optionally, the optical imaging device further comprises a mounting frame, which is arranged in the waterproof sealed box and comprises:

[0010] A horizontal rail, fixedly mounted on the waterproof sealing box, extending along a first direction; and

[0011] Two adjustment brackets are sequentially arranged on the transverse rail along the first direction, and are respectively movable relative to the transverse rail along the first direction;

[0012] The first waterproof and sealed housing is rotatably disposed on one of the two adjustment brackets, and the second waterproof and sealed housing is rotatably disposed on the other of the two adjustment brackets.

[0013] Optionally, the first waterproof and sealed housing includes a first main body and a light-transmitting head, one of the first main body and the light-transmitting head is provided with a first internal thread, and the other is provided with a first external thread, so that the first main body and the light-transmitting head are threadedly connected;

[0014] The first body and the light-transmitting head are sealed by a first waterproof sealing ring;

[0015] The shooting assembly further includes a first lens, which is disposed in the light-transmitting head;

[0016] The camera is disposed in the first body and corresponding to the first lens.

[0017] Optionally, the first body has a bottom wall away from the light-transmitting head;

[0018] The shooting assembly further includes a second watertight connector, the second watertight connector is electrically connected to the camera and the first watertight connector, one of the second watertight connector and the bottom wall is provided with a second internal thread, and the other is provided with a second external thread, so that the second watertight connector is threadedly connected to the first body;

[0019] The second watertight connector and the bottom wall are sealed by a second waterproof sealing ring.

[0020] Optionally, the lighting lamp comprises:

[0021] At least one LED lamp core is fixed to the second waterproof sealed housing through a pressing sheet, and heat dissipation silicone grease is provided between the LED lamp core and the second waterproof sealed housing; and,

[0022] A driving board is used to be electrically connected to the LED lamp core and the first watertight connector.

[0023] Optionally, the second waterproof sealed housing comprises a second main body, a light-transmitting top cover and a conical tail cover, wherein the light-transmitting top cover and the conical tail cover are respectively arranged at two ends of the second main body;

[0024] The LED lamp core is arranged in the second body, and a plurality of heat dissipation grooves are sequentially opened on the outer peripheral wall thereof along the extension direction thereof.

[0025] Optionally, one of the second body and the light-transmitting top cover is provided with a third internal thread, and the other is provided with a third external thread, so that the second body and the light-transmitting top cover are threadedly connected;

[0026] The second main body and the light-transmitting top cover are sealed by a third waterproof sealing ring;

[0027] The lighting assembly further includes a second lens, and the second lens is disposed on the light-transmitting top cover;

[0028] The LED lamp core is arranged corresponding to the second lens.

[0029] Optionally, the lighting assembly further comprises a third watertight connector, which is disposed on the conical tail cover and is electrically connected to the LED lamp core and the first watertight connector;

[0030] One of the third watertight connector and the conical tail cover is provided with a fourth internal thread, and the other is provided with a fourth external thread, so that the third watertight connector and the conical tail cover are threadedly connected, and the third watertight connector and the conical tail cover are sealed by a fourth waterproof sealing ring.

[0031] Optionally, the waterproof sealed box, the first waterproof sealed shell and the second waterproof sealed shell are all made of aluminum alloy.

[0032] The utility model also provides an underwater detection device, which comprises:

[0033] Submersible vehicles; and,

[0034] An optical imaging device, detachably mounted on the submersible;

[0035] Wherein, the optical imaging device comprises:

[0036] A waterproof sealed box, which is used to be detachably mounted on a submersible, and an outer side wall of which is provided with a first watertight connector, wherein the first watertight connector is used to be electrically connected to a power supply and a controller in the submersible;

[0037] a shooting assembly, arranged in the waterproof sealed box, comprising a first waterproof sealed housing and a camera, wherein the first waterproof sealed housing can move and / or rotate relative to the waterproof sealed box, and the camera is arranged in the first waterproof sealed housing and electrically connected to the first watertight connector; and

[0038] The lighting assembly is arranged in the waterproof sealed box, and includes a second waterproof sealed shell and a lighting lamp. The second waterproof sealed shell can move and / or rotate relative to the waterproof sealed box. The lighting lamp is arranged in the second waterproof sealed shell and is electrically connected to the first watertight connector.

[0039] In the technical solution of the utility model, the optical imaging device includes a waterproof sealed box, a shooting component and a lighting component. The first waterproof sealed shell in the shooting component can be moved and / or rotated relative to the waterproof sealed box, that is, the camera in the shooting component can be moved and / or rotated relative to the waterproof sealed box, and the second waterproof sealed shell in the lighting component can be moved and / or rotated relative to the waterproof sealed box, that is, the lighting lamp in the lighting component can be moved and / or rotated relative to the waterproof sealed box; in this way, the position of the lighting lamp and the camera are both adjustable, thereby achieving adjustable angle and / or distance between the lighting lamp and the camera, so that by adjusting the relative position of the lighting lamp and the camera, not only can the image information in the water environment such as suspended particles, organic matter and biological debris in the water be captured, but also by adjusting the position of the lighting lamp, the camera is assisted to obtain high-definition image information, thereby improving the underwater detection efficiency, and is suitable for detection work in turbid and high-depth waters; in addition, the camera and the lighting lamp are independently packaged by a waterproof sealed shell, which makes maintenance more flexible and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0041] Figure 1 A schematic structural diagram of an embodiment of an optical imaging device provided by the utility model;

[0042] Figure 2 for Figure 1 A schematic diagram of the structure of a shooting component of an optical imaging device;

[0043] Figure 3 for Figure 2 A top view of the shooting assembly;

[0044] Figure 4 for Figure 2 A bottom view of the shooting assembly;

[0045] Figure 5 for Figure 1 A schematic diagram of the structure of the illumination assembly of the optical imaging device;

[0046] Figure 6 for Figure 5 A top view of the lighting assembly;

[0047] Figure 7 for Figure 5 Bottom view of the lighting assembly.

[0048] Description of Figure Numbers:

[0049]

[0050]

[0051] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0053] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0054] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0055] The ocean is the cradle of life, a treasure house of resources, a main transportation route and a barrier to national security. To accelerate the construction of a strong maritime nation, we must further understand the ocean, develop the ocean and manage the ocean. The ocean is a strategic place for high-quality development, and the future development trend is to move towards the deep blue. Building a strong maritime nation is inseparable from the progress of marine science and technology. Underwater submersibles play an important role in underwater observation, resource exploration, data collection, national defense construction and other aspects. They are a powerful tool for developing and managing the ocean.

[0056] When underwater submersibles perform detection missions, the safety and reliability of optical imaging devices are related to the efficiency of underwater work and the quality of detection missions. Optical imaging devices can capture images and video data in underwater environments and provide them to the control system for tasks such as image data acquisition, image enhancement, image stitching, target detection, and defect detection. In complex environments such as oceans and urban pipelines, optical imaging devices face multiple challenges. Factors such as suspended particles, organic matter, and biological debris in the water increase the turbidity of the water, thereby reducing light transmittance and damaging image clarity and resolution.

[0057] In view of this, the present invention provides an optical imaging device 100, Figures 1 to 7 This is an embodiment of an optical imaging device 100 provided by the present utility model.

[0058] See also Figure 1The optical imaging device 100 includes a waterproof sealed box 1, a shooting component 2 and a lighting component 3. The waterproof sealed box 1 is used to be detachably installed on a submersible, and one of its outer walls is provided with a first watertight connector 4, and the first watertight connector 4 is used to be electrically connected to a power supply and a controller in the submersible; the shooting component 2 is arranged in the waterproof sealed box 1, including a first waterproof sealed shell 21 and a camera, the first waterproof sealed shell 21 can be moved and / or rotated relative to the waterproof sealed box 1 body, the camera is arranged in the first waterproof sealed shell 21, and is electrically connected to the first watertight connector 4; the lighting component 3 is arranged in the waterproof sealed box 1, including a second waterproof sealed shell 31 and a lighting lamp, the second waterproof sealed shell 31 can be moved and / or rotated relative to the waterproof sealed box 1, the lighting lamp is arranged in the second waterproof sealed shell 31, and is electrically connected to the first watertight connector 4.

[0059] In the technical solution of the utility model, the optical imaging device 100 includes a waterproof sealed box 1, a shooting component 2 and a lighting component 3. The first waterproof sealed shell 21 in the shooting component 2 can be moved and / or rotated relative to the waterproof sealed box 1, that is, the camera in the shooting component 2 can be moved and / or rotated relative to the waterproof sealed box 1, and the second waterproof sealed shell 31 in the lighting component 3 can be moved and / or rotated relative to the waterproof sealed box 1, that is, the lighting lamp in the lighting component 3 can be moved and / or rotated relative to the waterproof sealed box 1; in this way, the position of the lighting lamp and the camera are both adjustable, thereby achieving adjustable angle and / or distance between the lighting lamp and the camera, so that by adjusting the relative position of the lighting lamp and the camera, not only can the image information in the water environment such as suspended particles, organic matter and biological debris in the water be captured, but also by adjusting the position of the lighting lamp, the camera is assisted to obtain high-definition image information, thereby improving the underwater detection efficiency, and is suitable for detection work in turbid and high-depth waters; in addition, the camera and the lighting lamp are independently packaged by a waterproof sealed shell, which makes maintenance more flexible and convenient.

[0060] It should be noted that, in the present invention, the waterproof sealed box 1, the first waterproof sealed housing 21 and the second first waterproof sealed housing 21 are all made of high-strength, corrosion-resistant materials to be suitable for deep-sea and highly corrosive underwater environment operations. More specifically, in an embodiment of the present invention, the waterproof sealed box 1, the first waterproof sealed housing 21 and the second waterproof sealed housing 31 are all made of aluminum alloy.

[0061] For further information, see Figure 1The optical imaging device 100 also includes a mounting frame 5, which is arranged in the waterproof sealed box 1, including a horizontal rail 51 and two adjustment brackets 52, the horizontal rail 51 is fixedly installed on the waterproof sealed box 1, and is extended along the first direction; the two adjustment brackets 52 are sequentially arranged on the horizontal rail 51 along the first direction, and can be moved along the first direction relative to the horizontal rail 51 respectively; the first waterproof sealed shell 21 is rotatably arranged on one of the two adjustment brackets 52, and the second waterproof sealed shell 31 is rotatably arranged on the other of the two adjustment brackets 52.

[0062] In this way, the camera and the lighting lamp are moved along the first direction through the adjustment bracket 52, so that the distance between the camera and the lighting lamp is adjustable; and the waterproof sealing shell is rotated relative to the adjustment bracket 52, so that the angle between the camera and the lighting lamp is adjustable.

[0063] Further, each of the adjustment brackets 52 is slidably mounted on the cross rail 51. Specifically, one of each of the adjustment brackets 52 and the cross rail 51 is provided with a slide groove, and the other is provided with a protrusion, and the slide groove and the protrusion are adapted to be slidably connected.

[0064] Furthermore, the optical imaging device 100 further includes two first driving members, which are drivingly connected to the two adjustment brackets 52 in a one-to-one correspondence to drive the corresponding adjustment brackets 52 to move along the first direction.

[0065] More specifically, in the present invention, the form of the first driving member is not limited, and it can be a driving motor, an electric push rod, etc.

[0066] Specifically, in the present invention, the rotatable connection mode between the first waterproof sealed shell 21 and one of the adjustment brackets 52, and the rotatable connection mode between the second waterproof sealed shell 31 and another of the adjustment brackets 52 are not restricted, and can be hinged or connected through a universal rotating joint, etc.

[0067] For details, please refer to Figures 2 to 4The first waterproof sealed housing 21 includes a first main body 211 and a light-transmitting head 212, one of which is provided with a first internal thread and the other is provided with a first external thread, so that the first main body 211 and the light-transmitting head 212 are threadedly connected; the first main body 211 and the light-transmitting head 212 are sealed by a first waterproof sealing ring; the shooting assembly 2 also includes a first lens, which is arranged in the light-transmitting head 212; the camera is arranged in the first main body 211 and corresponds to the first lens. The waterproof sealing performance of the first waterproof sealed housing 21 is improved by the first waterproof sealing ring.

[0068] It should be noted that the light-transmitting head 212 includes a first connecting portion and a first light-transmitting portion, the first connecting portion is arranged at the periphery of the first light-transmitting portion, the first light-transmitting portion includes waterproof transparent glass, and the first lens is bonded to the waterproof transparent glass.

[0069] Furthermore, the light-transmitting head 212 and the first body 211 are connected by a plurality of screws to increase the connection strength between the light-transmitting head 212 and the first body 211. More specifically, the light-transmitting head 212 and the first body 211 are reinforced by six hexagon socket screws.

[0070] For details, please refer to Figure 2 and Figure 4 , the first main body 211 has a bottom wall away from the translucent head 212; the shooting component 2 also includes a second watertight connector 22, the second watertight connector 22 is electrically connected to the camera and the first watertight connector 4, the second watertight connector 22 and one of the bottom walls are provided with a second internal thread, and the other is provided with a second external thread, so that the second watertight connector 22 and the first main body 211 are threadedly connected; the second watertight connector 22 and the bottom wall are sealed by a second waterproof sealing ring to improve the waterproof sealing performance of the first main body 211.

[0071] Specifically, the lighting lamp includes at least one LED lamp core and a driving board, the LED lamp core is fixed to the second waterproof sealed housing 31 by a pressing sheet, and heat dissipation silicone grease is provided between the LED lamp core and the second waterproof sealed housing 31; the driving board is used to be electrically connected to the LED lamp core and the first watertight connector 4. In this way, the heat emitted by the LED lamp core is transferred to the outside through the second waterproof sealed housing 31 by the heat dissipation silicone grease, so as to avoid the over-high temperature in the second waterproof sealed housing 31 affecting the working performance of the LED lamp core and the driving board.

[0072] For further information, see Figures 5 to 7The second waterproof and sealed housing 31 includes a second main body 311, a light-transmitting top cover 312 and a conical tail cover 313, wherein the light-transmitting top cover 312 and the conical tail cover 313 are respectively arranged at two ends of the second main body 311; the second main body 311 is provided with the LED lamp core, and a plurality of heat dissipation grooves 3111 are sequentially opened on its outer peripheral wall along its extension direction. Thus, by providing a plurality of heat dissipation grooves 3111, the contact area between the second main body 311 and the outside is increased, thereby improving the heat dissipation efficiency.

[0073] Furthermore, one of the second main body 311 and the light-transmitting top cover 312 is provided with a third internal thread, and the other is provided with a third external thread, so that the second main body 311 and the light-transmitting top cover 312 are threadedly connected; the second main body 311 and the light-transmitting top cover 312 are sealed by a third waterproof sealing ring to improve the waterproof sealing performance of the second waterproof sealing shell 31; the lighting assembly 3 also includes a second lens, which is arranged on the light-transmitting top cover 312; the LED wick is arranged corresponding to the second lens.

[0074] It should be noted that the light-transmitting top cover 312 includes a second connecting portion and a second light-transmitting portion, the second connecting portion is arranged at the periphery of the second light-transmitting portion, the second light-transmitting portion includes a waterproof transparent glass, and the second lens is bonded to the waterproof transparent glass.

[0075] For details, please refer to Figure 5 and Figure 7 The lighting assembly 3 also includes a third watertight connector 32, which is arranged on the conical tail cover 313 and is electrically connected to the LED lamp core and the first watertight connector 4; one of the third watertight connector 32 and the conical tail cover 313 is provided with a fourth internal thread, and the other is provided with a fourth external thread, so that the third watertight connector 32 is threadedly connected to the conical tail cover 313, and the third watertight connector 32 and the conical tail cover 313 are sealed by a fourth waterproof sealing ring, thereby improving the waterproof sealing performance of the second body 311.

[0076] Specifically, the second body 311 is threadedly connected to the conical tail cover 313 and sealed by a fifth waterproof sealing ring to improve the waterproof sealing performance of the second body 311. More specifically, the second body 311 is connected to the conical tail cover 313 by six hexagon socket screws.

[0077] Specifically, the optical imaging device 100 also includes a mounting buckle, which is arranged on an outer side wall of the waterproof sealing box 1 and is used to snap-fit ​​and connect with the submersible, so that the optical imaging device 100 can be installed on submersibles of different models, thereby expanding the scope of application.

[0078] The utility model also provides an underwater detection device, which includes a submersible and an optical imaging device 100. The optical imaging device 100 is detachably mounted on the submersible.

[0079] It should be noted that the underwater detection equipment adopts the optical imaging device 100 as described above, that is, the underwater detection equipment has all the technical features of all the embodiments of the optical imaging device 100, and also has all the technical effects brought by all the above technical features, which will not be described one by one here.

[0080] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. An optical imaging device, used in underwater detection equipment, characterized in that: The optical imaging device comprises: A waterproof sealed box, which is used to be detachably mounted on a submersible, and an outer side wall of which is provided with a first watertight connector, wherein the first watertight connector is used to be electrically connected to a power source and a controller in the submersible; a shooting assembly, arranged in the waterproof sealed box, comprising a first waterproof sealed housing and a camera, wherein the first waterproof sealed housing can move and / or rotate relative to the waterproof sealed box, and the camera is arranged in the first waterproof sealed housing and electrically connected to the first watertight connector; and The lighting assembly is arranged in the waterproof sealed box, and includes a second waterproof sealed shell and a lighting lamp. The second waterproof sealed shell can move and / or rotate relative to the waterproof sealed box. The lighting lamp is arranged in the second waterproof sealed shell and is electrically connected to the first watertight connector.

2. The optical imaging device according to claim 1, characterized in that: The optical imaging device further comprises a mounting frame, which is arranged in the waterproof sealed box and comprises: A transverse rail, fixedly mounted on the waterproof sealing box, extending along a first direction; and Two adjustment brackets are sequentially arranged on the transverse rail along the first direction, and are respectively movable relative to the transverse rail along the first direction; The first waterproof and sealed housing is rotatably disposed on one of the two adjustment brackets, and the second waterproof and sealed housing is rotatably disposed on the other of the two adjustment brackets.

3. The optical imaging device according to claim 1, wherein: The first waterproof and sealed housing comprises a first main body and a light-transmitting head, one of the first main body and the light-transmitting head is provided with a first internal thread, and the other is provided with a first external thread, so that the first main body and the light-transmitting head are threadedly connected; The first body and the light-transmitting head are sealed by a first waterproof sealing ring; The shooting assembly further includes a first lens, which is disposed in the light-transmitting head; The camera is disposed in the first body and corresponding to the first lens.

4. The optical imaging device according to claim 3, characterized in that: The first body has a bottom wall away from the light-transmitting head; The shooting assembly further includes a second watertight connector, the second watertight connector is electrically connected to the camera and the first watertight connector, one of the second watertight connector and the bottom wall is provided with a second internal thread, and the other is provided with a second external thread, so that the second watertight connector is threadedly connected to the first body; The second watertight connector and the bottom wall are sealed by a second waterproof sealing ring.

5. The optical imaging device according to claim 1, wherein: The lighting lamp comprises: At least one LED lamp core is fixed to the second waterproof sealed housing through a pressing sheet, and heat dissipation silicone grease is provided between the LED lamp core and the second waterproof sealed housing; and, A driving board is used to be electrically connected to the LED lamp core and the first watertight connector.

6. The optical imaging device according to claim 5, characterized in that: The second waterproof and sealed housing comprises a second main body, a light-transmitting top cover and a conical tail cover, wherein the light-transmitting top cover and the conical tail cover are respectively arranged at two ends of the second main body; The LED lamp core is arranged in the second body, and a plurality of heat dissipation grooves are sequentially opened on the outer peripheral wall thereof along the extension direction thereof.

7. The optical imaging device according to claim 6, characterized in that: One of the second body and the light-transmitting top cover is provided with a third internal thread, and the other is provided with a third external thread, so that the second body and the light-transmitting top cover are threadedly connected; The second main body and the light-transmitting top cover are sealed by a third waterproof sealing ring; The lighting assembly further includes a second lens, and the second lens is disposed on the light-transmitting top cover; The LED lamp core is arranged corresponding to the second lens.

8. The optical imaging device according to claim 6, wherein: The lighting assembly further includes a third watertight connector, which is disposed on the conical tail cover and is electrically connected to the LED lamp core and the first watertight connector; One of the third watertight connector and the conical tail cover is provided with a fourth internal thread, and the other is provided with a fourth external thread, so that the third watertight connector and the conical tail cover are threadedly connected, and the third watertight connector and the conical tail cover are sealed by a fourth waterproof sealing ring.

9. The optical imaging device according to claim 1, wherein: The waterproof sealed box, the first waterproof sealed shell and the second waterproof sealed shell are all made of aluminum alloy.

10. An underwater detection device, characterized in that: The underwater detection equipment comprises: Submersible vehicles; and The optical imaging device as described in any one of claims 1 to 9 can be detachably installed on a submersible.

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