CN220727724U - Camera beneficial to underwater engineering inspection - Google Patents
Camera beneficial to underwater engineering inspection Download PDFInfo
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- CN220727724U CN220727724U CN202322527073.3U CN202322527073U CN220727724U CN 220727724 U CN220727724 U CN 220727724U CN 202322527073 U CN202322527073 U CN 202322527073U CN 220727724 U CN220727724 U CN 220727724U
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- 238000007689 inspection Methods 0.000 title claims abstract description 73
- 230000009286 beneficial effect Effects 0.000 title description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims description 43
- 238000007790 scraping Methods 0.000 claims description 25
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010071 organism adhesion Effects 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model relates to a do benefit to camera of engineering inspection under water, it includes the protecting crust, the lower surface fixedly connected with of protecting crust aggravates the board, the upper surface that aggravates the board has drive mechanism through bolted connection, the top of drive mechanism runs through protecting crust fixedly connected with inspection camera shooting mechanism, inspection camera shooting mechanism is located the inside of protecting crust, the inside fixedly connected with erection column of protecting crust, the outer wall rotation of erection column is connected with first gear, intermesh between outer wall and the drive mechanism of first gear; the application relates to the technical field of underwater engineering. This do benefit to camera of engineering inspection under water when using, start drive mechanism can drive inspection camera mechanism and rotate, adjusts shooting position as required, and first gear is through the drive mechanism cooperation with the start, and control clean mechanism rotates cleanly around the protecting crust, avoids appearing as far as possible because of the outer wall adhesion silt of protecting crust, and influences the condition that the shooting definition of inspection camera mechanism, produces the influence to the accuracy of engineering inspection.
Description
Technical Field
The application relates to the technical field of underwater engineering, in particular to a camera which is beneficial to underwater engineering inspection.
Background
Underwater engineering generally refers to engineering of structures under ground water level and in water areas of rivers, lakes and seas. After the underwater engineering is constructed, personnel are required to check the engineering regularly in order to ensure the safety of the engineering. In order to speed up inspection efficiency, personnel typically use underwater cameras to make video observations. The underwater camera is called as an underwater camera, is a camera which can be used underwater, is externally provided with a sealed compression-resistant shell, and generally adopts an industrial camera as a core component. The underwater camera is an underwater camera system which is composed of an auxiliary control device such as a video transmission control line, an external control box, a paying-off winch and the like by adopting a high-quality cable. The main functions are measurement, monitoring, exploration and the like.
The utility model discloses an underwater antifouling high-definition camera device with a bulletin number of CN217935732U, which comprises a shell, a rear cover, an end cover, an ultraviolet lamp holder, an ultraviolet lamp, a machine core, a fixing plate, a first fixing ring, a second fixing ring, a fixing column, an electric appliance plate and a watertight head, wherein the rear cover and the end cover are respectively arranged at two ends of the shell, a sealing ring is arranged on the shell, the ultraviolet lamp holder is arranged in the shell, the ultraviolet lamp holder is provided with the ultraviolet lamp, the machine core is arranged in the shell, the machine core is electrically connected with the ultraviolet lamp holder, and the first fixing ring and the second fixing ring are arranged in the shell. According to the utility model, the shell with the rear cover and the end cover is made of polyoxymethylene, the anti-corrosion and anti-fouling effects are realized, the four-point irradiation lens is arranged on the end cover, and then the low-power ultraviolet lamp is adopted, so that marine organism adhesion is prevented, the camera lens is ensured to be clear and free from shielding, and the camera lens is suitable for monitoring in a certain range under the ocean water.
Above-mentioned technical scheme is when using, place the device under water after, the camera lens that sets up is down vertical movement to lead to the camera lens difficult to keep required shooting position easily, and when the camera moves down to the engineering construction surface under water, also have the silt on the building to adhere to the camera lens position easily, thereby influence the definition that the camera was shot, and then produce certain influence to the accuracy of engineering inspection, be unfavorable for in-service use, consequently, the skilled person provides a camera that does benefit to the engineering inspection under water in order to solve the problem that proposes among the above-mentioned background art.
Disclosure of Invention
In order to solve the device place under water after, the camera lens that sets up is down vertical movement to lead to the camera lens difficult to keep required shooting position easily, and when the camera moves down to engineering construction surface under water, also have the silt on the building to adhere to the camera lens position easily, thereby influence the definition that the camera was shot, and then produce certain influence to the accuracy of engineering inspection, be unfavorable for the problem of in-service use, this application provides a do benefit to camera of engineering inspection under water.
The application provides a do benefit to camera of engineering inspection under water adopts following technical scheme:
the utility model provides a do benefit to camera of engineering inspection under water, includes the protecting crust, the lower fixed surface of protecting crust is connected with aggravates the board, it has drive mechanism to weigh the upper surface of board through bolted connection, drive mechanism's top runs through protecting crust fixedly connected with inspection camera mechanism, inspection camera mechanism is located the inside of protecting crust, the inside fixedly connected with erection column of protecting crust, the outer wall rotation of erection column is connected with first gear, the outer wall of first gear with intermesh between the drive mechanism, the outer wall rotation of protecting crust is connected with clean mechanism, first gear keep away from one side of drive mechanism with intermesh between the clean mechanism, the upper surface fixedly connected with stay cord of protecting crust.
Through adopting above-mentioned technical scheme, drive mechanism can drive inspection camera mechanism and rotate when starting, make inspection camera mechanism's shooting position, can adjust as required, the first gear of setting is when drive mechanism rotates, through cooperating with drive mechanism, can control clean mechanism and rotate around the protecting crust, play certain clean effect to the outside of protecting crust, avoid appearing because of the outer wall adhesion silt of protecting crust as far as possible, and influence inspection camera mechanism's shooting definition, the condition that produces the influence to the accuracy of engineering inspection.
Preferably, the protecting shell comprises a base fixedly connected with the upper surface of the weighting plate, the checking and photographing mechanism is located above the base, the upper surface of the mounting column is fixedly connected with the top of the inner wall of the base, the inside of the cleaning mechanism is rotationally connected with the outside of the base, the upper surface of the base is fixedly connected with an annular transparent cover, the checking and photographing mechanism is located inside the annular transparent cover, the upper surface of the annular transparent cover is fixedly connected with a connecting ring, and the upper surface of the connecting ring is provided with a protecting cover through threaded connection.
Through adopting above-mentioned technical scheme, annular transparent cover is convenient for inspect shooting mechanism and shoots under water, and the go-between can be connected with the protective cover through with the bolt cooperation.
Preferably, the transmission mechanism comprises a waterproof motor connected to the upper surface of the weighting plate through a bolt, the output end of the waterproof motor penetrates through the base and is fixedly connected with the lower surface of the inspection camera shooting mechanism, the outer wall of the output end of the waterproof motor is fixedly connected with a second gear, and the outer wall of the second gear is meshed with the outer wall of the first gear.
Through adopting above-mentioned technical scheme, start waterproof motor can drive inspection camera mechanism and rotate the adjustment shooting position, also can drive the second gear simultaneously and rotate, can drive first gear and rotate when the second gear rotates.
Preferably, the cleaning mechanism comprises an inner gear ring which is rotationally connected with the outside of the base, the inner wall of the inner gear ring is meshed with the outer wall of the first gear, the upper surface of the inner gear ring is fixedly connected with a cleaning scraping strip, the cleaning scraping strip is positioned at the outside of the annular transparent cover, the top of the cleaning scraping strip is fixedly connected with a limiting block, and one end of the limiting block, which is far away from the cleaning scraping strip, is rotationally connected with the outside of the connecting ring.
Through adopting above-mentioned technical scheme, the ring gear is through cooperating with first gear, drives clean scraping the strip and removes, cleans the outer wall of annular transparent cover, and the stopper is through cooperating with the go-between, can restrict the clean removal position of scraping the strip.
Preferably, the inspection camera mechanism comprises a camera body fixedly connected with the output end of the waterproof motor, and one side of the camera body is uniformly and fixedly connected with an illumination spot lamp.
Through adopting above-mentioned technical scheme, the camera body can shoot engineering construction under water, and the shot-light of illumination can play certain auxiliary role to the camera body.
Preferably, a cleaning cotton sliver is fixedly connected to one side, close to the annular transparent cover, of the cleaning scraping strip, and one side, far away from the cleaning scraping strip, of the cleaning cotton sliver is abutted to the outer wall of the annular transparent cover.
Through adopting above-mentioned technical scheme, clean silver can hug closely annular transparent cover and remove when clean scraping the strip and remove to the reinforcing is to annular transparent cover's cleaning effect.
Preferably, the lower surface of the camera body is uniformly provided with a storage hole, the bottom of the camera body is uniformly and movably connected with a ball positioned in the storage hole, and one side of the ball away from the storage hole is abutted against the upper surface of the base.
Through adopting above-mentioned technical scheme, the ball can reduce the frictional force with the base when the camera body rotates.
In summary, the present application includes the following beneficial technical effects:
1. this do benefit to camera of engineering inspection under water, the weighting plate that sets up can make the protecting crust keep the vertical downshifting as far as possible, avoid the protecting crust to remove by the influence of rivers as far as possible, drive mechanism can drive inspection camera mechanism when starting and rotate, thereby can adjust the shooting position of inspection camera mechanism, first gear is when drive mechanism rotates, through cooperating with drive mechanism, can control clean mechanism and rotate around the protecting crust, thereby can play certain cleaning action to the outside of protecting crust, avoid appearing because of the outer wall adhesion silt of protecting crust as far as possible, and influence the shooting definition of inspection camera mechanism, the condition that produces the influence to the accuracy of engineering inspection, make this application more do benefit to in-service use, the stay cord is convenient for personnel to control this application and reciprocate.
2. This do benefit to camera of engineering inspection under water, the annular transparent cover of setting is convenient for inspect camera mechanism and shoots under water, the go-between passes through with the bolt cooperation, can be connected with the protecting cover, start waterproof motor can drive inspection camera mechanism and rotate the adjustment and shoot the position, waterproof motor and second gear cooperation also can drive first gear simultaneously and rotate, the camera body can shoot engineering construction under water, the illumination shot-light can play certain auxiliary role to the camera body, the ball can reduce when the camera body rotates with the frictional force between the base.
3. This do benefit to camera of engineering inspection under water, the ring gear of setting can rotate through with first gear cooperation, can drive the cleanness when the ring gear rotates and scrape the strip and remove to can carry out certain cleanness to the outer wall of annular transparent cover, the stopper is through cooperating with the go-between, can restrict the clean removal position of scraping the strip, and clean silver can be hugged closely annular transparent cover and remove when the strip is scraped in the cleanness, thereby can strengthen the cleaning effect to annular transparent cover.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to an embodiment of the present application;
fig. 4 is a schematic view of a cleaning mechanism in an embodiment of the present application.
Reference numerals illustrate: 1. a protective shell; 101. a base; 102. an annular transparent cover; 103. a connecting ring; 104. a protective cover; 2. a weight plate; 3. a transmission mechanism; 301. a waterproof motor; 302. a second gear; 4. checking the image pick-up mechanism; 401. a camera body; 402. a lighting spotlight; 5. a mounting column; 6. a first gear; 7. a cleaning mechanism; 701. an inner gear ring; 702. cleaning the scraping strip; 703. a limiting block; 8. a pull rope; 9. a storage hole; 10. a ball; 11. cleaning cotton sliver.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a camera beneficial to underwater engineering inspection. Referring to fig. 1, fig. 2 and fig. 3, this do benefit to camera of engineering inspection under water, including protecting crust 1, the lower fixed surface of protecting crust 1 is connected with aggravates board 2, the upper surface of aggravating board 2 is through bolted connection there being drive mechanism 3, the top of drive mechanism 3 runs through protecting crust 1 fixedly connected with inspection mechanism 4, inspection mechanism 4 is located the inside of protecting crust 1, the inside fixedly connected with erection column 5 of protecting crust 1, the outer wall rotation of erection column 5 is connected with first gear 6, intermesh between the outer wall of first gear 6 and drive mechanism 3, the outer wall rotation of protecting crust 1 is connected with clean mechanism 7, intermesh between one side that drive mechanism 3 was kept away from to first gear 6 and clean mechanism 7, the upper surface fixedly connected with stay cord 8 of protecting crust 1.
In this embodiment, this weighting plate 2 who does benefit to setting in the camera of underwater engineering inspection can make shield shell 1 keep vertical downshifting as far as possible, avoid shield shell 1 to receive the influence of rivers to remove as far as possible, the drive mechanism 3 of setting can drive inspection camera mechanism 4 when starting and rotate, thereby can adjust the inspection position of inspection camera mechanism 4, make the shooting position of inspection camera mechanism 4 can adjust as required, thereby the practicality of this application is strengthened, and the inside at shield shell 1 is installed to inspection camera mechanism 4, can play certain guard action to inspection camera mechanism 4 through shield shell 1, erection column 5 can restrict the mounted position of first gear 6, first gear 6 is when drive mechanism 3 rotates, through with drive mechanism 3 cooperation, can control clean mechanism 7 and rotate around shield shell 1, thereby can play certain clean effect to the outside of shield shell 1, avoid appearing because of the outer wall adhesion silt of shield shell 1, influence the shooting definition of inspection camera mechanism 4, the condition that produces the influence to the accuracy of engineering inspection, make this application more do benefit to the actual use of the stay cord 8 of being convenient for under this application, move.
In a further preferred embodiment of the present utility model, as shown in fig. 1, 2 and 3, the protecting case 1 comprises a base 101 fixedly connected to the upper surface of the weight plate 2, the inspection camera mechanism 4 is located above the base 101, the upper surface of the mounting post 5 is fixedly connected to the top of the inner wall of the base 101, the inside of the cleaning mechanism 7 is rotatably connected to the outside of the base 101, the upper surface of the base 101 is fixedly connected to an annular transparent cover 102, the inspection camera mechanism 4 is located inside the annular transparent cover 102, the upper surface of the annular transparent cover 102 is fixedly connected to a connecting ring 103, and the upper surface of the connecting ring 103 is connected to a protecting cover 104 through threads.
In this embodiment, the base 101 can restrict the mounting positions of the mounting post 5, the inspection imaging mechanism 4 and the annular transparent cover 102, and the annular transparent cover 102 provided facilitates the inspection imaging mechanism 4 to shoot underwater, and the connection ring 103 can be connected with the protective cover 104 by being engaged with a bolt.
In a further preferred embodiment of the present utility model, as shown in fig. 2, the transmission mechanism 3 includes a waterproof motor 301 connected to the upper surface of the weight plate 2 through a bolt, an output end of the waterproof motor 301 is fixedly connected to the lower surface of the inspection camera mechanism 4 through the base 101, an outer wall of the output end of the waterproof motor 301 is fixedly connected to a second gear 302, and an outer wall of the second gear 302 is meshed with an outer wall of the first gear 6.
In this embodiment, the waterproof motor 301 is started to drive the inspection camera mechanism 4 to rotate to adjust the shooting position, and meanwhile, the second gear 302 is also driven to rotate, and the first gear 6 is driven to rotate when the second gear 302 rotates.
In a further preferred embodiment of the present utility model, as shown in fig. 1 and 2, the inspection camera mechanism 4 includes a camera body 401 fixedly connected to the output end of the waterproof motor 301, and an illumination spot lamp 402 is uniformly and fixedly connected to one side of the camera body 401.
In this embodiment, camera body 401 can shoot engineering construction under water, and camera body 401 can use waterproof type to strengthen the security, and the illumination shot-light 402 of setting can play certain auxiliary role to camera body 401, strengthens the shooting effect of camera body 401.
In a further preferred embodiment of the present utility model, as shown in fig. 2, the lower surface of the camera body 401 is uniformly provided with the storage holes 9, the bottom of the camera body 401 is uniformly and movably connected with the balls 10 located inside the storage holes 9, and one side of the balls 10 away from the storage holes 9 is abutted against the upper surface of the base 101.
In the present embodiment, the placement hole 9 is provided to limit the mounting position of the ball 10, and the ball 10 can reduce the friction with the base 101 when the camera body 401 rotates.
In a further preferred embodiment of the present utility model, as shown in fig. 2, 3 and 4, the cleaning mechanism 7 includes an inner gear ring 701 rotatably connected to the outside of the base 101, an inner wall of the inner gear ring 701 is meshed with an outer wall of the first gear 6, a cleaning scraping strip 702 is fixedly connected to an upper surface of the inner gear ring 701, the cleaning scraping strip 702 is located outside the annular transparent cover 102, a limiting block 703 is fixedly connected to a top of the cleaning scraping strip 702, and one end of the limiting block 703 away from the cleaning scraping strip 702 is rotatably connected to the outside of the connecting ring 103.
In this embodiment, the inner gear ring 701 is configured to be able to rotate by being matched with the first gear 6, and when the inner gear ring 701 rotates, the cleaning scraping bar 702 can be driven to move, so that the outer wall of the annular transparent cover 102 can be cleaned to a certain extent, and the limiting block 703 is configured to be matched with the connecting ring 103, so as to limit the moving position of the cleaning scraping bar 702.
In a further preferred embodiment of the present utility model, as shown in fig. 2, 3 and 4, a cleaning cotton sliver 11 is fixedly connected to one side of the cleaning scraping strip 702 close to the annular transparent cover 102, and one side of the cleaning cotton sliver 11 away from the cleaning scraping strip 702 is abutted against the outer wall of the annular transparent cover 102.
In the present embodiment, the cleaning tampon 11 is provided so as to be able to move in close contact with the annular transparent cover 102 when the cleaning blade 702 moves, thereby enhancing the cleaning effect on the annular transparent cover 102.
The implementation principle of the camera beneficial to underwater engineering inspection in the embodiment of the application is as follows:
during the use, can drive inspection camera mechanism 4 through start drive mechanism 3 and rotate, adjust the inspection position of inspection camera mechanism 4, make the shooting position of inspection camera mechanism 4, can adjust as required, thereby strengthen the practicality of this application, the first gear 6 of setting is when drive mechanism 3 rotates, through with drive mechanism 3 cooperation, control clean mechanism 7 rotates around protecting crust 1, play certain cleaning action to the outside of protecting crust 1 when clean mechanism 7 removes, thereby avoid appearing because of protecting crust 1's outer wall adhesion silt as far as possible, and influence the shooting definition of inspection camera mechanism 4, the condition that produces the influence to the accuracy of engineering inspection, make this application more do benefit to in fact the use.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a do benefit to camera of engineering inspection under water, includes protective housing (1), its characterized in that: the utility model discloses a cleaning device for the automobile, including protecting crust (1), lower fixed surface, upper surface, drive mechanism (3), inspection camera mechanism (4), mounting column (5), outer wall rotation connection of mounting column (5) have first gear (6), the outer wall of first gear (6) with intermesh between drive mechanism (3), the outer wall rotation connection of protecting crust (1) has clean mechanism (7), first gear (6) are kept away from one side of drive mechanism (3) with intermesh between clean mechanism (7), the upper surface fixedly connected with stay cord (8) of protecting crust (1).
2. The camera for facilitating underwater engineering inspection according to claim 1, wherein: the utility model discloses a protection shell, including fixed connection be in base (101) of weighing plate (2) upper surface, inspection camera mechanism (4) are located the top of base (101), the upper surface of erection column (5) with the inner wall top fixed connection of base (101), the inside of clean mechanism (7) with the outside rotation of base (101) is connected, the upper surface fixedly connected with annular transparent cover (102) of base (101), inspection camera mechanism (4) are located the inside of annular transparent cover (102), the upper surface fixedly connected with go-between (103) of annular transparent cover (102), the upper surface of go-between (103) has protective cover (104) through threaded connection.
3. The camera head facilitating underwater engineering inspection according to claim 2, wherein: the transmission mechanism (3) comprises a waterproof motor (301) which is connected to the upper surface of the weighting plate (2) through a bolt, the output end of the waterproof motor (301) penetrates through the base (101) and is fixedly connected with the lower surface of the inspection camera shooting mechanism (4), a second gear (302) is fixedly connected to the outer wall of the output end of the waterproof motor (301), and the outer wall of the second gear (302) is meshed with the outer wall of the first gear (6).
4. The camera head facilitating underwater engineering inspection according to claim 2, wherein: the cleaning mechanism (7) comprises an inner gear ring (701) which is rotationally connected to the outside of the base (101), the inner wall of the inner gear ring (701) is meshed with the outer wall of the first gear (6), a cleaning scraping strip (702) is fixedly connected to the upper surface of the inner gear ring (701), the cleaning scraping strip (702) is located at the outside of the annular transparent cover (102), a limiting block (703) is fixedly connected to the top of the cleaning scraping strip (702), and one end, away from the cleaning scraping strip (702), of the limiting block (703) is rotationally connected with the outside of the connecting ring (103).
5. A camera for facilitating inspection of underwater engineering according to claim 3, wherein: the inspection camera shooting mechanism (4) comprises a camera body (401) fixedly connected with the output end of the waterproof motor (301), and an illumination spotlight (402) is uniformly and fixedly connected to one side of the camera body (401).
6. The camera for facilitating underwater engineering inspection according to claim 4, wherein: one side of the cleaning scraping strip (702) close to the annular transparent cover (102) is fixedly connected with a cleaning cotton sliver (11), and one side of the cleaning cotton sliver (11) away from the cleaning scraping strip (702) is abutted against the outer wall of the annular transparent cover (102).
7. The camera for facilitating underwater engineering inspection according to claim 5, wherein: the camera comprises a camera body (401), wherein a storage hole (9) is uniformly formed in the lower surface of the camera body (401), balls (10) located in the storage hole (9) are uniformly and movably connected to the bottom of the camera body (401), and one side, away from the storage hole (9), of each ball (10) is abutted to the upper surface of the base (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322527073.3U CN220727724U (en) | 2023-09-18 | 2023-09-18 | Camera beneficial to underwater engineering inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322527073.3U CN220727724U (en) | 2023-09-18 | 2023-09-18 | Camera beneficial to underwater engineering inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727724U true CN220727724U (en) | 2024-04-05 |
Family
ID=90526112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322527073.3U Active CN220727724U (en) | 2023-09-18 | 2023-09-18 | Camera beneficial to underwater engineering inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727724U (en) |
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2023
- 2023-09-18 CN CN202322527073.3U patent/CN220727724U/en active Active
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