CN116347210A - Stable focusing camera for shooting underwater bridge pier - Google Patents
Stable focusing camera for shooting underwater bridge pier Download PDFInfo
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- CN116347210A CN116347210A CN202310630793.4A CN202310630793A CN116347210A CN 116347210 A CN116347210 A CN 116347210A CN 202310630793 A CN202310630793 A CN 202310630793A CN 116347210 A CN116347210 A CN 116347210A
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- reed
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- 235000014676 Phragmites communis Nutrition 0.000 claims description 116
- 238000002955 isolation Methods 0.000 claims description 15
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 24
- 238000007789 sealing Methods 0.000 description 14
- 238000009413 insulation Methods 0.000 description 6
- 206010044565 Tremor Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The invention discloses a stable focusing camera for shooting underwater bridge piers, which comprises a lens bracket, a lens and a focusing driving disc, wherein the lens is arranged in a lens mounting hole of the lens bracket, a focusing driving disc mounting groove is formed in the inner ring of the lens mounting hole, a focusing driving groove is formed in the outer ring of the lens, the focusing driving disc is arranged in the focusing driving disc mounting groove, driving teeth are arranged on the focusing driving disc, and the driving teeth are inserted into the focusing driving groove of the lens; the driving teeth are deformed and bent by powering on or powering off the driving teeth, so that the lens is driven to move along the lens mounting Kong Laihui of the lens bracket for focusing. The focusing device can ensure the stability after focusing, improves the shooting effect, is suitable for underwater shooting, and is more stable in focusing especially under the condition that the bridge pier has complex disturbance vortex and complex water flow.
Description
Technical Field
The invention relates to the technical field of cameras, in particular to a stable focusing camera for shooting underwater piers.
Background
In recent years, most bridge safety accidents are caused by failure to discover bridge diseases in advance or failure to perform effective maintenance work in time, so that the bridge is missed in the optimal maintenance time. At present, manual exploration of divers is still a main or even the only means for underwater detection of bridges, and is the most widely applied underwater operation mode at present.
As the turbulent river passes through the pier. The flow velocity of the bridge pier in the two sides opposite to the water flow direction is increased, and a reciprocating disturbance vortex with a certain flow velocity is generated at the position opposite to the water flow direction, namely, karman vortex street, which causes extremely unstable river basin near the bridge pier, and the flow velocity and the flow direction of river water are greatly different, and a conventional lens focusing system adopts an electromagnetic driving type, reed driving type or a slender pull rod structure made of memory alloy to realize the movement of a lens, so that the original focusing position of the lens cannot be maintained when the lens is subjected to external acting force, the position of the lens along an optical axis is possibly displaced, the shooting of the underwater bridge pier is fuzzy, the effective information of the effective underwater bridge pier cannot be uploaded in time, and divers can cause life safety hazards along with the prolongation of diving shooting time; and when anti-shake under water, the external force that the camera received is not only the small amplitude shake of staff, but the large amplitude shake when rivers direction and speed change, consequently, need the camera to adjust more by a wide margin shake, and conventional electromagnetic type when carrying out the large range anti-shake, need increase magnetic field for electronic component receives the interference in the camera, conventional thermoelectric spring can't satisfy the demand of high frequency after the expansion, motor lead screw driven type's messenger equipment is overweight, and the cost promotes, hydraulic drive formula can't satisfy the demand of anti-shake frequency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the stable focusing camera for shooting the underwater bridge pier, which can ensure the stability after focusing, improve the shooting effect, is suitable for underwater shooting, and is more stable in focusing especially under the condition that the bridge pier has complex disturbance vortex and complex water flow.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the stable focusing camera for shooting underwater bridge piers comprises a lens bracket, a lens and a focusing driving disc, wherein the lens is arranged in a lens mounting hole of the lens bracket, the lens mounting hole is arranged in the center of the lens bracket, a focusing driving disc mounting groove is formed in the inner ring of the lens mounting hole, a focusing driving groove is formed in the outer ring of the lens, the focusing driving disc is arranged in the focusing driving disc mounting groove, driving teeth are arranged on the focusing driving disc, and the end heads of the driving teeth are inserted into the focusing driving groove of the lens; the driving teeth are deformed and bent by powering on or powering off the driving teeth, and the focusing driving grooves are acted to drive the lens to move and focus along the lens mounting Kong Laihui of the lens bracket.
According to the technical scheme, the focusing driving disc comprises a lower reed, an insulating isolation layer and an upper reed which are sequentially overlapped, wherein the insulating isolation layer separates the lower reed from the upper reed;
the driving teeth comprise lower teeth, upper teeth and focusing lock catches, the lower teeth are arranged on the lower reed along one side of the lens, the upper teeth are arranged on the upper reed along one side of the lens, the lower teeth and the upper teeth are identical in number and are arranged in one-to-one correspondence, the lower teeth and the upper teeth are connected through the focusing lock catches, the lower teeth and the upper teeth are not in direct contact, and the lower teeth and the upper teeth are connected with a focusing driving groove of the lens through the focusing lock catches.
According to the technical scheme, the lower reed and the upper reed are arc-shaped outer discs and are arranged in the focusing driving disc mounting groove, the lower teeth are sequentially and intermittently arranged on the inner ring of the arc-shaped outer disc of the lower reed along the arc direction of the lower reed, and the upper teeth are sequentially and intermittently arranged on the inner ring of the arc-shaped outer disc of the upper reed along the arc direction of the upper reed.
According to the technical scheme, the focusing lock catch comprises a cylindrical joint and a focusing disc mounting groove, the focusing disc mounting groove is arranged at the bottom of the cylindrical joint, the ends of the upper teeth and the lower teeth extend into the focusing mounting groove, and the cylindrical joint is arranged in a focusing driving groove of the lens.
According to the technical scheme, the convex blocks are arranged in the focusing disc mounting grooves, the upper positioning mounting grooves and the lower positioning mounting grooves are respectively arranged on the ends of the upper teeth and the lower teeth, the convex blocks are pressed into the upper positioning mounting grooves of the upper teeth and the lower positioning mounting grooves of the lower teeth, the upper teeth and the lower teeth are separated, and the convex blocks are respectively fixed on two sides in the focusing disc mounting grooves of the focusing lock catches.
Further, the number of the protruding blocks is two, and the two protruding blocks are respectively arranged on two sides in the focusing disc mounting groove and are respectively pressed into the upper positioning mounting groove of the upper tooth and the lower positioning mounting groove of the lower tooth.
According to the technical scheme, the arc-shaped outer discs of the lower reed and the upper reed are made of conductive metal, and the left side lead and the right side lead are respectively connected to the two ends of the arc-shaped outer disc.
Namely: the two ends of the arc-shaped outer disc of the lower reed are respectively connected with a left lead of the lower reed and a right lead of the lower reed; the two ends of the arc-shaped outer disc of the upper reed are respectively connected with the left lead of the upper reed and the right lead of the upper reed.
According to the technical scheme, the upper teeth and the lower teeth are made of memory alloy materials.
According to the technical scheme, the outer ring of the lens and the inner ring of the lens mounting hole are respectively provided with the guide block and the lens focusing guide rail, the lens focusing guide rail is arranged along the axis of the lens mounting hole, and the guide block is arranged on the lens focusing guide rail.
Further, the guide block and the lens focusing guide rail are arranged at the notch of the arc-shaped outer disc of the lower reed and the notch of the arc-shaped outer disc of the upper reed, and do not interfere with the arc-shaped outer disc.
According to the technical scheme, the stable focusing camera for shooting the underwater bridge pier further comprises a base, the lens support is arranged on the base, an anti-shake support is arranged between the lens support and the base and is arranged around the lens support, the anti-shake support comprises an anti-shake reed, and the anti-shake reed is made of memory alloy; the anti-shake reed is powered on or powered off to deform, so that the lens support moves towards the corresponding direction.
Further, the anti-shake reed is connected with a lower wiring and an upper wiring, and the lower wiring and the upper wiring penetrate through the anti-shake base and are connected with the anti-shake upper wiring and the anti-shake lower wiring on the base.
According to the technical scheme, the anti-shake support comprises an anti-shake base and a support surface, the anti-shake reed is arranged between the anti-shake base and the support surface, the inner side of the base is provided with anti-shake support mounting grooves, the number of the anti-shake support mounting grooves is consistent with that of the anti-shake supports, the anti-shake support mounting grooves are arranged in a one-to-one correspondence manner, the outer ring of the lens support is provided with a lens anti-shake support sliding groove, and the anti-shake base and the support surface are respectively arranged on the anti-shake support mounting grooves on the inner side of the base and the lens anti-shake support sliding groove of the lens support.
Further, the number of the anti-shake brackets is 4, and the anti-shake brackets are respectively arranged on the upper side, the lower side, the left side and the right side of the lens bracket; meanwhile, if the outer frame of the lens support is square, the number of the lens anti-shake support sliding grooves is also 4, the lens anti-shake support sliding grooves on the upper side and the lower side are horizontally arranged, and the lens anti-shake support sliding grooves on the left side and the right side are vertically arranged.
According to the technical scheme, the stable focusing camera for shooting the underwater pier further comprises a complete machine shell and 4 torrent anti-shake modules, wherein the base is arranged in the complete machine shell, the torrent anti-shake modules are arranged between the base and the complete machine shell, the 4 torrent anti-shake modules are arranged around the base, namely, are respectively arranged on the upper side, the lower side, the left side and the right side, the torrent anti-shake modules arranged on the upper side and the lower side of the base are connected with the base through vertical anti-shake driving rods, and the torrent anti-shake modules arranged on the left side and the right side of the base are connected with the base through horizontal anti-shake driving rods;
two-stage anti-shake sliding rails are arranged on the outer walls of the upper side and the lower side of the base, and the ends of the vertical anti-shake driving rods on the upper side and the lower side are respectively arranged in the corresponding two-stage anti-shake sliding rails on the upper side and the lower side of the base and can move back and forth and left and right along the corresponding two-stage anti-shake sliding rails; two-stage anti-shake sliding rails are arranged on the outer walls of the left side and the right side of the base, and the ends of the transverse anti-shake driving rods of the left side and the right side are respectively arranged in the corresponding two-stage anti-shake sliding rails of the left side and the right side of the base and can move back and forth along the corresponding two-stage anti-shake sliding rails;
the shock flow anti-shake module comprises a secondary anti-shake support, a driving floating plate, two driving blocks and two thermoelectric springs, wherein an inner cavity of the secondary anti-shake support is divided into an upper cavity and a lower cavity, liquid is arranged in the two cavities, 3 flow passages are communicated between the two cavities, a middle driven flow passage and two side driving flow passages are respectively arranged on two sides of the middle driven flow passage, the driving floating plate is arranged on the middle driven flow passage, the driving floating plate is connected with a vertical anti-shake driving rod or a transverse anti-shake driving rod, the two driving blocks are respectively arranged in the two side driving flow passages, the two driving blocks are respectively connected with the inner wall of the secondary anti-shake support through the two thermoelectric springs, and a spacer sleeve is sleeved outside the thermoelectric springs.
According to the technical scheme, the vertical anti-shake driving rod comprises an upper anti-shake driving rod and a lower anti-shake driving rod, one end of the upper anti-shake driving rod is connected with a driving floating plate of the upper and lower side torrent anti-shake module, the other end of the upper anti-shake driving rod is connected with an upper and lower moving block, the upper and lower moving blocks on the upper and lower sides are respectively arranged on two-stage anti-shake sliding rails on the upper and lower sides of the base, and sealing rings are respectively arranged on the upper and lower anti-shake driving rod and are respectively an upper and lower first sealing ring and an upper and lower second sealing ring.
The horizontal anti-shake driving rod comprises a side anti-shake driving rod and a side cavity anti-shake driving rod, the side cavity anti-shake driving rod is horizontally arranged, one end of the side cavity anti-shake driving rod is connected with a left side and a right side moving block, the left side and the right side moving blocks are arranged on a two-stage anti-shake sliding rail on the left side and the right side of the base, the other end of the side cavity anti-shake driving rod is connected with the upper end of the side anti-shake driving rod through a driving inclined plane, the side anti-shake driving rod is vertically arranged, and the lower end of the side anti-shake driving rod is connected with a driving floating plate of the left side and the right side torrent anti-shake module.
According to the technical scheme, the driving inclined plane comprises a first driving inclined plane and a second driving inclined plane, the first driving inclined plane and the second driving inclined plane are respectively arranged at the end parts of the side anti-shake driving rod and the side cavity anti-shake rod, a locking buckle is arranged on the first driving inclined plane, a locking sliding rail is arranged on one side of the second driving inclined plane, the locking buckle is arranged on the locking sliding rail, and a left side first sealing ring and a right side second sealing ring are sequentially arranged on the side anti-shake driving rod.
The upper cavity and the lower cavity of the inner cavity of the secondary anti-shake support are an A density liquid area and a B density liquid area respectively, the two thermoelectric springs are arranged in the A density liquid area and the B density liquid area respectively, the two sides of the secondary anti-shake support are provided with outer side positioning mounting grooves, positioning blocks are arranged at corresponding positions of the whole machine shell and clamped into the corresponding positioning blocks through the outer side positioning mounting grooves, and the secondary anti-shake support is arranged on the whole machine shell.
The invention has the following beneficial effects:
the invention makes the driving teeth deform and bend by electrifying or de-electrifying the driving teeth arranged on the focusing driving disc, drives the lens to move and focus along the lens mounting Kong Laihui of the lens bracket by acting the focusing driving groove, so that the elastic deformation of the lens at any position is very small, and the lens can ensure the stability after focusing by directly and mechanically contacting with the lens, thereby improving the shooting effect, being suitable for underwater shooting, and being more stable in focusing especially under the condition of complex disturbance vortex and complex water flow of a pier.
2, be close to pier department and prevent trembling the effect better under water, through the design of different densities for the kickboard is in the interface department of upper and lower two liquid all the time, and drive module just through changing liquid level height, can control the position of kickboard, and then the anti-trembling displacement of control built-in camera module, owing to not having the hydraulic drive of huge resistance, consequently can greatly improve anti-trembling motion frequency, and can realize the anti-trembling fluctuation of great amplitude, with better reply underwater environment.
Drawings
Fig. 1 is a schematic structural diagram of a stable focusing camera for underwater pier shooting in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a torrent anti-shake module according to an embodiment of the invention;
FIG. 3 is an exploded view of a built-in camera module in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a base in an embodiment of the present invention;
FIG. 5 is a schematic view of a lens structure according to an embodiment of the present invention;
FIG. 6 is a schematic view of a lens holder according to an embodiment of the present invention;
figure 7 is a schematic view of the structure of the lower reed in the embodiment of the present invention;
figure 8 is a schematic view of the structure of an upper reed in an embodiment of the present invention;
FIG. 9 is a schematic diagram of an anti-shake bracket according to an embodiment of the invention;
FIG. 10 is a schematic view of a focusing latch according to an embodiment of the present invention;
FIG. 11 is a schematic view of the structure of a flexible insulating barrier according to an embodiment of the present invention;
FIG. 12 is a schematic diagram of the structure of the whole machine housing in an embodiment of the invention;
FIG. 13 is a schematic view of a side cavity anti-shake bar according to an embodiment of the invention;
FIG. 14 is a schematic view of a side anti-shake driving lever according to an embodiment of the present invention;
FIG. 15 is a schematic view of a secondary anti-shake bracket according to an embodiment of the invention;
in the figure, a 1-base, a 2-lens support, a 3-lower reed, a 4-insulating isolation layer, a 5-upper reed, a 6-focusing lock catch, a 7-lens, an 8-anti-shake support, a 9-side anti-shake driving rod, a 10-side cavity anti-shake rod, an 11-thermoelectric spring, a 12-isolation sleeve, a 13-driving block, a 14-upper and lower anti-shake driving rod, a 15-second-stage anti-shake support and a 16-complete machine shell are shown;
101-lower reed wiring ports, 102-upper reed wiring ports, 103-anti-shake upper wiring, 104-anti-shake lower wiring, 105-anti-shake bracket mounting grooves and 106-two-stage anti-shake sliding rails;
201, a focusing driving disc mounting groove, 202, an upper reed lead groove, 203, a lower reed lead groove, 204, a lens focusing guide rail and 205, a lens anti-shake bracket sliding groove;
301-lower reed left side lead, 302-lower memory alloy teeth, 303-lower positioning mounting groove, 304-lower reed right side lead, 305-lower conductive metal outer disc;
501-upper reed left side lead, 502-upper memory alloy teeth, 503-upper positioning mounting groove, 504-upper reed right side lead, 505-upper conductive metal outer disc;
601-a cylindrical joint, 602-a convex block and 603-a focusing disc mounting groove;
701-focusing driving groove, 702-guide block;
801-lower wiring, 802-upper wiring, 803-anti-shake base, 804-anti-shake reed, 805-supporting surface;
901-left and right driving floating plates, 902-left and right first sealing rings, 903-left and right second sealing rings, 904-first driving inclined planes, 905-locking buckles;
1001-left and right side moving blocks, 1002-locking slide rails, 1003-second driving inclined planes;
1401-upper and lower moving blocks, 1402-upper and lower first sealing rings, 1403-upper and lower second sealing rings, 1404-upper and lower driving floating plates;
1501-A density liquid area, 1502-middle driven runner, 1503-side driving runner, 1504-outside positioning installation groove, 1505-B density liquid area;
1601-positioning block.
Detailed Description
The invention will now be described in detail with reference to the drawings and examples.
Referring to fig. 1 and fig. 3-6, a stable focusing camera for underwater pier shooting in an embodiment 1 provided by the present invention includes a lens bracket 2, a lens 7 and a focusing driving disc, wherein the lens 7 is disposed in a lens mounting hole of the lens bracket 2, the lens mounting hole is disposed in the center of the lens bracket 2, a focusing driving disc mounting groove 201 is disposed in an inner ring of the lens mounting hole, a focusing driving groove 701 is disposed in an outer ring of the lens 7, the focusing driving disc is disposed in the focusing driving disc mounting groove 201, driving teeth are disposed on the focusing driving disc, and ends of the driving teeth are inserted into the focusing driving groove 701 of the lens 7; the drive teeth are deformed and bent by energizing or de-energizing the drive teeth, and the lens 7 is driven to move focusing along the lens mount Kong Laihui of the lens holder 2 by the action of the focusing drive groove 701.
Example 2
As shown in fig. 7-8 and fig. 10-11, the focusing drive disk and the drive teeth are further defined on the basis of embodiment 1, and the performance of embodiment 2 after the definition is more excellent.
The focusing driving disc comprises a lower reed 3, an insulating isolation layer 4 and an upper reed 5 which are sequentially overlapped, and the insulating isolation layer 4 separates the lower reed 3 and the upper reed 5 from contact;
the driving teeth comprise lower teeth, upper teeth and a focusing lock catch 6, wherein the lower teeth are arranged on the lower reed 3 along one side of the lens, the upper teeth are arranged on the upper reed 5 along one side of the lens, the lower teeth and the upper teeth are the same in number and are arranged in one-to-one correspondence, the lower teeth and the upper teeth are connected through the focusing lock catch 6, the lower teeth and the upper teeth are not in direct contact, and the lower teeth and the upper teeth are connected and contacted with a focusing driving groove 701 of the lens through the focusing lock catch 6.
Further, the lower reed 3 and the upper reed 5 are arc-shaped outer discs, and are arranged in the focusing driving disc mounting groove 201, the lower teeth are sequentially and intermittently arranged on the inner circle of the arc-shaped outer disc of the lower reed 3 along the arc direction of the lower reed 3, and the upper teeth are sequentially and intermittently arranged on the inner circle of the arc-shaped outer disc of the upper reed 5 along the arc direction of the upper reed 5.
Further, the focus lock 6 includes a cylindrical joint 601 and a focus disc mounting groove 603, the focus disc mounting groove 603 is arranged at the bottom of the cylindrical joint 601, the ends of the upper teeth and the lower teeth extend into the focus mounting groove, and the cylindrical joint 601 is arranged in a focus driving groove 701 of the lens.
Further, a bump 602 is provided in the focusing disc mounting groove 603, and upper positioning mounting grooves 503 and lower positioning mounting grooves 303 are provided on the ends of the upper teeth and the lower teeth, respectively, the bump 602 is pressed into the upper positioning mounting grooves 503 of the upper teeth and the lower positioning mounting grooves 303 of the lower teeth, separates the upper teeth from the lower teeth, and is fixed to two sides in the focusing disc mounting groove 603 of the focusing lock catch 6, respectively.
Further, the number of the protruding blocks 602 is two, and the two protruding blocks 602 are respectively arranged at two sides in the focusing disc mounting groove 603 and are respectively pressed into the upper positioning mounting groove 503 of the upper tooth and the lower positioning mounting groove 303 of the lower tooth.
Further, the arc-shaped outer discs of the lower reed 3 and the upper reed 5 are made of conductive metal, and the two ends of the arc-shaped outer discs are respectively connected with a left lead and a right lead.
Namely: the two ends of the arc-shaped outer disc of the lower reed 3 are respectively connected with a lower reed left lead 301 and a lower reed right lead 304; the two ends of the arc-shaped outer disc of the upper reed 5 are respectively connected with an upper reed left lead 501 and an upper reed right lead 504, and the arc-shaped outer disc of the lower reed and the arc-shaped outer disc of the upper reed are respectively a lower conductive metal outer disc 305 and an upper conductive metal outer disc 505.
The insulation isolation layer 4 is made of flexible materials and is also of an arc-shaped structure with internal teeth, the internal teeth are sequentially arranged on the inner side of an arc at intervals, the upper teeth, the lower teeth and the internal teeth of the insulation isolation layer 4 are arranged in a one-to-one correspondence and overlap manner, the internal teeth of the insulation isolation layer 4 are arranged between the upper teeth and the lower teeth, the upper teeth and the lower teeth are completely isolated, and the arc-shaped structure of the insulation isolation layer 4 is also arranged between the lower reed and an arc-shaped outer disc of the upper reed 5 and isolates the upper reed and the lower reed; the design of the three-in-one disk-shaped and tooth-shaped memory alloy focusing device ensures that the elastic deformation of the three-in-one disk-shaped and tooth-shaped memory alloy focusing device at any position is very small, and the three-in-one disk-shaped and tooth-shaped memory alloy focusing device can ensure the stability after focusing and improve the shooting effect through being directly in mechanical contact with a lens.
Further, the upper teeth and the lower teeth are made of memory alloy.
Further, a guide block 702 and a lens focusing guide rail 204 are respectively arranged on the outer ring of the lens and the inner ring of the lens mounting hole, the lens focusing guide rail is arranged along the axis of the lens mounting hole, and the guide block 702 is arranged on the lens focusing guide rail.
Further, the guide block 702 and the lens focusing guide rail are arranged at the notches of the arc-shaped outer discs of the lower reed and the upper reed 5, and do not interfere with the arc-shaped outer discs.
Example 3
As shown in fig. 9, the limitation of the anti-shake support is added on the basis of embodiments 1 and 2, and the performance of the limited embodiment 3 is better, and the base inner structure is a built-in camera module.
The stable focusing camera for shooting underwater bridge pier further comprises a base 1, the lens support 2 is arranged on the base 1, an anti-shake support 8 is arranged between the lens support 2 and the base 1, the anti-shake support 8 is arranged around the lens support 2, the anti-shake support 8 comprises an anti-shake reed 804, and the anti-shake reed 804 is made of memory alloy; the anti-shake reed 804 is driven to deform by energizing or de-energizing the anti-shake reed 804, so that the lens holder 2 is moved in the corresponding direction.
Further, the anti-shake reed 804 is connected with a lower wiring 801 and an upper wiring 802, and the lower wiring 801 and the upper wiring 802 pass through the anti-shake base 803 and are connected with the anti-shake upper wiring 103 and the anti-shake lower wiring 104 on the base 1.
Further, the anti-shake support 8 further comprises an anti-shake base 803 and a supporting surface 805, the anti-shake reed 804 is arranged between the anti-shake base 803 and the supporting surface 805, the inner side of the base 1 is provided with anti-shake support 8 mounting grooves, the number of the anti-shake support 8 mounting grooves is consistent with that of the anti-shake supports 8, the anti-shake support mounting grooves are arranged in a one-to-one correspondence manner, the outer ring of the lens support 2 is provided with a lens anti-shake support sliding groove 205, and the anti-shake base 803 and the supporting surface 805 are respectively arranged on the anti-shake support mounting groove 105 on the inner side of the base and the lens anti-shake support sliding groove 205 of the lens support 2.
Further, the number of the anti-shake holders is 4, and the anti-shake holders are respectively arranged on the upper side, the lower side, the left side and the right side of the lens holder 2; meanwhile, if the outer frame of the lens support 2 is square, the number of the lens anti-shake support sliding grooves 205 is also 4, the lens anti-shake support sliding grooves 205 on the upper side and the lower side are horizontally arranged, and the lens anti-shake support sliding grooves 205 on the left side and the right side are vertically arranged.
Example 4
As shown in fig. 1-2 and fig. 12-15, the definition of the torrent anti-shake module is added on the basis of embodiments 1-3, and the performance of embodiment 4 after definition is better.
The stable focusing camera for shooting underwater piers further comprises a complete machine shell 16 and 4 torrent anti-shake modules, wherein the base is arranged in the complete machine shell 16, the torrent anti-shake modules are arranged between the base and the complete machine shell 16, the 4 torrent anti-shake modules are arranged around the base, namely, are respectively arranged on the upper side, the lower side, the left side and the right side to form a secondary anti-shake mechanism, the torrent anti-shake modules arranged on the upper side and the lower side of the base are connected with the base through vertical anti-shake driving rods, and the torrent anti-shake modules arranged on the left side and the right side of the base are connected with the base through transverse anti-shake driving rods;
two-stage anti-shake sliding rails 106 are arranged on the outer walls of the upper side and the lower side of the base, and the ends of the vertical anti-shake driving rods on the upper side and the lower side are respectively arranged in the corresponding two-stage anti-shake sliding rails 106 on the upper side and the lower side of the base and can move back and forth and left and right along the corresponding two-stage anti-shake sliding rails 106; two-stage anti-shake sliding rails 106 are arranged on the outer walls of the left side and the right side of the base, and the ends of the transverse anti-shake driving rods of the left side and the right side are respectively arranged in the corresponding two-stage anti-shake sliding rails 106 of the left side and the right side of the base and can move up and down along the corresponding two-stage anti-shake sliding rails 106;
the torrent anti-shake module comprises a secondary anti-shake support 15, a driving floating plate, two driving blocks 13 and two thermoelectric springs 11, wherein the inner cavity of the secondary anti-shake support 15 is divided into an upper cavity and a lower cavity, liquid is arranged in the two cavities, 3 flow channels are communicated between the two cavities, a middle driven flow channel 1502 and two side driving flow channels 1503 are respectively arranged on two sides of the middle driven flow channel 1502, the driving floating plate is arranged on the middle driven flow channel 1502 and connected with a vertical anti-shake driving rod or a horizontal anti-shake driving rod, the two driving blocks 13 are respectively arranged in the two side driving flow channels 1503, the two driving blocks 13 are respectively connected with the inner wall of the secondary anti-shake support 15 through the two thermoelectric springs 11, and an isolating sleeve 12 is sleeved outside the thermoelectric springs 11.
Further, the vertical anti-shake driving rod comprises an upper anti-shake driving rod 14 and a lower anti-shake driving rod 14, one end of the upper anti-shake driving rod 14 is connected with a driving floating plate of the upper and lower side torrent anti-shake module, the other end of the upper anti-shake driving rod is connected with an upper and lower moving block 1401, the upper and lower moving blocks 1401 on the upper and lower sides are respectively arranged on two-stage anti-shake sliding rails 106 on the upper and lower sides of the base, sealing rings are arranged on the upper and lower anti-shake driving rod 14, and the upper and lower anti-shake driving rod is respectively provided with an upper and lower first sealing ring 1402 and an upper and lower second sealing ring 1403.
The horizontal anti-shake driving rod comprises a side anti-shake driving rod 9 and a side cavity anti-shake driving rod 10, the side cavity anti-shake driving rod 10 is horizontally arranged, one end of the side cavity anti-shake driving rod 10 is connected with a left side moving block and a right side moving block 101, the left side moving block and the right side moving block 101 are arranged on a second-level anti-shake sliding rail 106 on the left side and the right side of the base, the other end of the side cavity anti-shake driving rod 10 is connected with the upper end of the side anti-shake driving rod 9 through a driving inclined plane, the side anti-shake driving rod 9 is vertically arranged, and the lower end of the side anti-shake driving rod 9 is connected with a driving floating plate of a left side and right side torrent anti-shake module.
The driving floating plates of the upper and lower torrent anti-shake modules are the upper and lower driving floating plates 1404, and the driving floating plates of the left and right torrent anti-shake modules are the left and right driving floating plates 901.
Further, the driving inclined plane includes a first driving inclined plane 904 and a second driving inclined plane 1003, which are respectively disposed at the ends of the side anti-shake driving rod 9 and the side cavity anti-shake rod 10, a locking buckle 905 is disposed on the first driving inclined plane 904, a locking slide rail 1002 is disposed on one side of the second driving inclined plane 1003, the locking buckle 905 is disposed on the locking slide rail 1002, and a left and right side first sealing ring 902 and a left and right side second sealing ring 903 are sequentially disposed on the side anti-shake driving rod 9.
The upper and lower two cavitys of second grade anti-shake support 15 inner chamber are A density liquid district 1501 and B density liquid district 1505 respectively, and two thermoelectric springs 11 set up respectively in A density liquid district 1501 and B density liquid district 1505, and second grade anti-shake support 15 both sides are equipped with outside location mounting groove 1504, and the relevant position of complete machine shell 16 is equipped with locating piece 1601, and on the corresponding locating piece 1601 was gone into through outside location mounting groove 1504 card, second grade anti-shake support 15 was installed on complete machine shell 16.
The working principle of the invention is as follows: referring to fig. 1-3, the stable focusing camera for shooting underwater bridge pier provided by the invention has the advantages that the positions of lead wires on the left side and the right side of the lower reed 3 and the upper reed 5 are different, other parts are the same, a flexible insulation isolation layer 4 is sandwiched between the lower reed 3 and the upper reed 5, the lower memory alloy teeth 302 and the upper memory alloy teeth 502 are fixedly connected through a focusing disc mounting groove 603, and the lower positioning mounting groove 303 and the upper positioning mounting groove 503 are buckled with a bump 602, so that the focusing driving disc formed by the lower reed 3, the upper reed 5 and the flexible insulation isolation layer 4 is an integral body, and relative displacement cannot occur.
The focusing driving disc is fixedly arranged in the focusing driving disc mounting groove 201, and the left lead 301 and the right lead 304 of the lower reed extend out of the lower reed lead groove 203 and simultaneously extend out of the lower reed wiring port 101; similarly, the upper reed left lead 501 and the upper reed right lead 504 extend from the upper reed lead groove 202, and simultaneously extend from the upper reed wire connection port 102, the cylindrical joint 601 of the focusing driving disk tooth part is arranged in the focusing driving groove 701,
the lower wiring 801 and the upper wiring 802 extend from the anti-shake upper wiring 103 and the anti-shake lower wiring 104, respectively, and all the wirings are connected out at the side wall of the base 1. The anti-shake base 803 of the anti-shake support 8 is mounted in the anti-shake support mounting groove 105 of the base 1, the supporting surface 805 of the anti-shake support is in contact with the lens anti-shake support sliding groove 205 on the side wall of the lens support 2 to provide support for the lens support 2, the guide block 702 on the lower part of the lens 7 is mounted in the lens focusing guide rail 204 on the bottom of the lens support 2, and the movement of the lens is ensured to be translational movement along the optical axis direction.
The positioning installation groove 1504 at the outer side of the secondary anti-shake support 15 is in contact with the positioning block 1601 in the whole machine shell 16, so that the secondary anti-shake support 15 is fixed in the whole machine shell 16, the second driving inclined plane 1003 is in contact with the first driving inclined plane 904, the locking buckle 905 stretches into the locking slide rail 1002, and when the lens support 2 moves up and down, the side cavity anti-shake rod 10 cannot drive the side anti-shake driving rod 9 to move, and only can move in the secondary anti-shake slide rail 106 through the left and right side movement block 1001 to prevent interference. In the initial state, the inside of the secondary anti-shake support 15 is filled with the liquid with the density A in the density A liquid area 1501, the liquid with the density B in the density B area 1505 is filled with the liquid with the density B, and a clear interface is generated due to the different densities of the two liquids, at this time, the middle position of the driving block 13 is positioned at the interface of the two liquids, the volume of the driving block is the same at the interface of A, B, the density of the driving floating plate 1404 is in the middle of A, B two liquids, and therefore the driving floating plate 1404 moves along with the movement of the interface of the two liquid surfaces A, B.
When the bridge pier is needed to be photographed under water, the focusing system and the anti-shake system are started, the left lead 301 of the lower reed is used as a current inlet, the right lead 304 of the lower reed is used as a current outlet, so that the lower reed is electrified, the left and right leads of the upper reed 5 are not powered on, the flexible insulating isolation layer is clamped between the upper and lower reeds, the focusing lock catch 6 is a non-conductor, so that the current of the lower reed 3 cannot enter the upper reed 5, the volume size of the lower conductive metal outer disc 305 is not changed after the lower conductive metal outer disc 305 is electrified, the lower memory alloy teeth 302 connected with the lower conductive metal outer disc 305 are stretched after the lower conductive metal outer disc is electrified, and the upper reed 5 and the lower reed 3 are not relatively displaced at the moment, so that the inner driving teeth of the focusing driving disc are bent in the direction away from the base 1, and the lens 7 connected with the cylindrical joint 601 are pushed to move in the direction away from the base 1, and the inner driving teeth of the driving disc are pushed to the lens 7 connected with the cylindrical joint 601 in the direction of the cylindrical joint 1 when the upper reed 5 is electrified, and the lower reed 3 is not electrified.
When the camera built-in gyroscope senses that the camera deflects under the action of water flow, the thermoelectric springs 11 at corresponding positions are electrified, one thermoelectric spring 11 at the left side and the right side of the same set of anti-shake system is not electrified, the other thermoelectric spring is stretched after being electrified, and then the positions of interfaces of two liquids can be changed by controlling the volumes of the driving block 13 which are not in the different liquids, so that the positions of the driving floating plates 1404 are changed, and the anti-shake effect is realized.
Because the focusing driving disc is provided with a plurality of groups of driving teeth, and the driving teeth carry out focusing driving on the lens through bending deformation, the influence of large water flow speed difference and different flow directions caused by karman vortex street near the bridge pier can be resisted, and the lens 7 after focusing is ensured to have stronger stability.
Similarly, when the anti-shake is needed, the anti-shake reed 804 of the anti-shake support 8 is the same as the focusing driving disc, and is also of a three-in-one sandwich design, and the anti-shake of the lens 7 can be controlled by electrifying and combining the four anti-shake supports.
The foregoing is merely illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the claims and their equivalents.
Claims (10)
1. The stable focusing camera for shooting underwater bridge pier is characterized by comprising a lens bracket, a lens and a focusing driving disc, wherein the lens is arranged in a lens mounting hole on the lens bracket, a focusing driving disc mounting groove is formed in the inner ring of the lens mounting hole, a focusing driving groove is formed in the outer ring of the lens, the focusing driving disc is arranged in the focusing driving disc mounting groove, driving teeth are arranged on the focusing driving disc, and the driving teeth are inserted into the focusing driving groove of the lens; the driving teeth are deformed and bent by powering on or powering off the driving teeth, and the focusing driving grooves are acted to drive the lens to move and focus along the lens mounting Kong Laihui of the lens bracket.
2. The stable focusing camera for photographing an underwater pier according to claim 1, wherein the focusing driving disc comprises a lower reed, an insulating isolation layer and an upper reed which are sequentially arranged, and the lower reed and the upper reed are separated from contact by the insulating isolation layer;
the drive tooth includes lower part tooth, upper portion tooth and focusing hasp, and lower part tooth is arranged on lower part reed along lens one side, and upper portion tooth is arranged on upper part reed along lens one side, and be connected through focusing hasp between lower part tooth and the upper portion tooth, lower part tooth and upper portion tooth do not direct contact, and lower part tooth and upper portion tooth are connected with the lens through focusing hasp.
3. The stabilized focusing camera for photographing underwater piers according to claim 2, wherein the lower reed and the upper reed are arc-shaped outer discs, the lower teeth are sequentially arranged at intervals in the arc-shaped direction on the arc-shaped outer disc inner ring of the lower reed, and the upper teeth are sequentially arranged at intervals in the arc-shaped direction on the arc-shaped outer disc inner ring of the upper reed.
4. The stabilized focus camera for photographing underwater pier of claim 2, wherein the focus lock comprises a post joint and a focus disc mounting groove, the focus disc mounting groove is arranged at the bottom of the post joint, the ends of the upper teeth and the lower teeth extend into the focus mounting groove, and the post joint is arranged in a focus driving groove of the lens.
5. The stabilized focusing camera for photographing underwater pier of claim 4, wherein the focusing disc mounting groove is internally provided with a convex block, the upper tooth and the lower tooth are respectively provided with an upper positioning mounting groove and a lower positioning mounting groove, the convex block is pressed into the upper positioning mounting groove of the upper tooth and the lower positioning mounting groove of the lower tooth, the upper tooth and the lower tooth are separated, and the convex block is respectively fixed on two sides in the focusing disc mounting groove of the focusing lock catch.
6. The stable focusing camera for shooting underwater piers according to claim 3, wherein the arc-shaped outer discs of the lower reed and the upper reed are made of metal, and two ends of the arc-shaped outer disc are respectively connected with a left lead and a right lead.
The upper teeth and the lower teeth are all memory alloy teeth.
7. The stable focusing camera for shooting underwater piers according to claim 1, wherein the outer ring of the lens and the inner ring of the lens mounting hole are respectively provided with a guide block and a lens focusing guide rail, the lens focusing guide rail is arranged along the axis of the lens mounting hole, and the guide block is arranged on the lens focusing guide rail.
8. The stable focusing camera for shooting the underwater pier according to claim 1, further comprising a base, wherein the lens support is arranged on the base, an anti-shake support is arranged between the lens support and the base, the anti-shake support is arranged around the lens support, the anti-shake support comprises an anti-shake reed, and the material of the anti-shake reed is a memory alloy; the anti-shake reed is powered on or powered off to deform, so that the lens support moves towards the corresponding direction.
9. The stable focusing camera for shooting underwater piers according to claim 8, wherein the anti-shake support comprises an anti-shake base and a support surface, the anti-shake reed is arranged between the anti-shake base and the support surface, the inner side of the base is provided with anti-shake support mounting grooves, the number of the anti-shake support mounting grooves is consistent with the number of the anti-shake supports and the anti-shake support mounting grooves are arranged in a one-to-one correspondence manner, the outer ring of the lens support is provided with a lens anti-shake support sliding groove, and the anti-shake base and the support surface are respectively arranged on the anti-shake support mounting groove on the inner side of the base and the lens anti-shake support sliding groove of the lens support.
10. The stable focusing camera for shooting the underwater pier according to claim 1, wherein the stable focusing camera for shooting the underwater pier further comprises a complete machine shell and 4 torrent anti-shake modules, wherein the base is arranged in the complete machine shell, the torrent anti-shake modules are arranged between the base and the complete machine shell, the 4 torrent anti-shake modules are arranged around the base, the torrent anti-shake modules arranged on the upper side and the lower side of the base are connected with the base through vertical anti-shake driving rods, and the torrent anti-shake modules arranged on the left side and the right side of the base are connected with the base through horizontal anti-shake driving rods;
two-stage anti-shake sliding rails are arranged on the outer walls of the upper side and the lower side of the base and the outer walls of the left side and the right side, and the ends of the vertical anti-shake driving rods on the upper side and the lower side are respectively arranged in the corresponding two-stage anti-shake sliding rails on the upper side and the lower side of the base and can move back and forth along the corresponding two-stage anti-shake sliding rails; the ends of the left and right lateral anti-shake driving rods are respectively arranged in the corresponding second-level anti-shake sliding rails on the left and right sides of the base and can move back and forth along the corresponding second-level anti-shake sliding rails;
the torrent anti-shake module comprises a secondary anti-shake support, a driving floating plate, two driving blocks and two thermoelectric springs, wherein an inner cavity of the secondary anti-shake support is divided into an upper cavity and a lower cavity, 3 flow channels are communicated between the two cavities and are respectively a middle driven flow channel and two side driving flow channels, the two side driving flow channels are respectively arranged on two sides of the middle driven flow channel, the driving floating plate is arranged on the middle driven flow channel and is connected with a vertical anti-shake driving rod or a transverse anti-shake driving rod, the two driving blocks are respectively arranged in the two side driving flow channels, the two driving blocks are respectively connected with the inner wall of the secondary anti-shake support through the two thermoelectric springs, and a spacer sleeve is sleeved outside the thermoelectric springs.
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