CN210183421U - Be used for open air binocular synchronous camera - Google Patents
Be used for open air binocular synchronous camera Download PDFInfo
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- CN210183421U CN210183421U CN201921638601.XU CN201921638601U CN210183421U CN 210183421 U CN210183421 U CN 210183421U CN 201921638601 U CN201921638601 U CN 201921638601U CN 210183421 U CN210183421 U CN 210183421U
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Abstract
The utility model discloses a be used for open air two mesh synchronous cameras, it is main including installing two camera lenses in the camera housing, two image acquisition boards, the interface board, mainboard and power strip, be equipped with the image acquisition unit on the image acquisition board, be equipped with the signal synchronization unit on the interface board, be equipped with FPGA image processing unit on the mainboard, DDR3.0 processing unit and giga network transmission unit, be equipped with network interface on the power strip, two image acquisition unit signal output parts are connected with two signal input parts of signal synchronization unit respectively, signal synchronization unit signal output part is connected with FPGA image processing unit signal input part. The digital signals received by the two image acquisition units are transmitted to the signal synchronization unit to be synchronized and combined, the two paths of digital signals are converted into one path of digital signal, one-time transmission is completed, the two image acquisition units are guaranteed to have consistent screenshots, image data are prevented from being staggered in the transmission process, and the image precision is improved.
Description
Technical Field
The utility model relates to an industrial camera technical field, in particular to be used for open air two mesh synchronous cameras.
Background
The binocular camera adopts two cameras fixed at different positions to shoot the same characteristic point on an object, and synchronizes image information acquired by the two cameras, so that more accurate characteristic point information is obtained. At present, binocular cameras are widely applied to numerous fields such as unmanned flight control, virtual reality, robots and unmanned driving and are often exposed in outdoor wind and rain environments, so that the using effect of the binocular cameras is directly influenced by the waterproof, electricity-proof, lightning-proof, earthquake-proof and other properties of the binocular cameras.
In order to enable the binocular cameras to work better and reduce calculation errors, the two cameras are required to be completely synchronous, and the two cameras are exposed synchronously and acquire image data synchronously as far as possible so as to meet the requirement of a rear end on image processing. In the prior art, two image acquisition units of a binocular camera respectively and independently transmit received signals to an image processing system, and then the image processing system carries out synchronous processing, so that image information is easily staggered under abnormal conditions such as slow operation of the data acquisition system or interference of cables, and the image acquisition effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be used for open air two mesh synchronous cameras aims at optimizing the stability of double-phase machine information transfer process, improves two mesh cameras and shoots the precision.
In order to achieve the above object, the utility model provides a binocular synchronous camera for outdoor, including the camera housing, and install side by side in two lenses in the camera housing, be equipped with on the camera housing with two the camera lens opening of camera lens one-to-one, arbitrary camera lens tail end is equipped with an image acquisition board, still be equipped with interface board, mainboard and the power strip of stacking the installation in proper order in the camera housing, arbitrary image acquisition board all through a plurality of soft arranging wire with the interface board is connected, the interface board with the mainboard, mainboard with the power strip is connected through the connector respectively; the camera comprises a power panel, a camera shell and an image acquisition board, wherein the image acquisition board is provided with an image acquisition unit, the interface board is provided with a signal synchronization unit, the mainboard is provided with an FPGA image processing unit, a DDR3.0 processing unit and a kilomega network transmission unit, the power panel is provided with a network interface, and the camera shell is further provided with an installation opening for the network interface to pass through.
The signal output ends of the two image acquisition units are respectively connected with the two signal input ends of the signal synchronization unit, the signal output end of the signal synchronization unit is connected with the signal input end of the FPGA image processing unit, the signal output end of the FPGA image processing unit is connected with the signal input end of the gigabit network transmission unit, the data cache output end of the FPGA image processing unit is connected with the data cache input end of the DDR3.0 processing unit, and the signal output end of the gigabit network transmission unit is connected with the network interface.
Preferably, the camera housing comprises a panel, a middle cover and a rear cover which are connected in sequence, the lens opening is arranged on the panel, and the mounting opening is arranged on the rear cover.
Preferably, a lens mount is arranged at the tail end of the lens, and the lens mount is mounted in a threaded hole in the middle cover through threads; a glass sheet and dustproof silica gel which are sequentially overlapped are further arranged between the lens and the image acquisition plate, and the image acquisition plate is abutted against the glass sheet through the dustproof silica gel; the well cover still be equipped with the screens groove of glass piece and dustproof silica gel adaptation, the screens groove with the screw hole intercommunication, just the image acquisition board passes through the screw fixation in screens groove tip.
Preferably, the two sides of the middle cover are respectively provided with a mounting groove, the middle cover and the rear cover are respectively provided with a mounting boss matched with the mounting groove, the panel is provided with the middle cover and the middle cover are respectively provided with a sealing ring between the rear cover, and the mounting bosses are respectively abutted against the mounting grooves through the sealing rings.
Preferably, an anti-reflection protective lens is further arranged at any one of the lens openings.
Preferably, the interface board, the main board and the power board are installed between the two lenses.
Preferably, an L-shaped heat conduction copper sheet and a first heat conduction gasket are further arranged between the mainboard and the power panel, two sides of the first heat conduction gasket are respectively attached to the surface of the L-shaped heat conduction copper sheet and the mainboard, a second heat conduction gasket is further arranged between the L-shaped heat conduction copper sheet side plate and the camera shell, and two side faces of the second heat conduction gasket are respectively attached to the L-shaped heat conduction copper sheet side plate and the inner side face of the camera shell.
Compared with the prior art, the beneficial effects of the utility model are that: the digital signals received by the two image acquisition units are transmitted to the signal synchronization unit, the two received digital signals are synchronized and combined by the signal synchronization unit and are converted into one path of digital signals, the signals are transmitted to the FPGA image processing unit by the two image acquisition units and are synchronized and combined, one-time transmission is completed, screenshots of the two image acquisition units are consistent, image data staggering in the transmission process is avoided, and image precision is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of the binocular synchronous camera used outdoors according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of the three-dimensional structure of the middle cover of the present invention;
FIG. 4 is a schematic block diagram of the present invention;
FIG. 5 is a schematic circuit diagram of the image acquisition unit of the present invention;
FIG. 6 is a schematic circuit diagram of the signal synchronization unit of the present invention;
FIG. 7 is a schematic circuit diagram of the FPGA image processing unit of the present invention;
FIG. 8 is a schematic circuit diagram of the DDR3.0 processing unit of the present invention;
fig. 9 is a schematic circuit diagram of the gigabit network transmission unit according to the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The utility model provides a be used for open air binocular synchronous camera, as shown in figure 1, including the camera housing, and install side by side in two lenses 2 in the camera housing, be equipped with on the camera housing with two lens opening 11 of lens 2 one-to-one, arbitrary 2 tail ends of lens are equipped with an image acquisition board 3, still be equipped with interface board 4, mainboard 5 and the power strip 6 of superpose installation in proper order in the camera housing, arbitrary image acquisition board 3 all is connected with interface board 4 through a plurality of soft winding displacement (not shown in the figure), interface board 4 with mainboard 5, mainboard 5 with power strip 6 is connected through the connector respectively; the camera comprises an image acquisition board 3, an interface board 4, a main board 5, a FPGA image processing unit 51, a DDR3.0 processing unit 52, a gigabit network transmission unit 53, a power board 6, a network interface 61 and a mounting opening 12 for the network interface 61 to pass through, wherein the image acquisition board 3 is provided with an image acquisition unit 31, the interface board 4 is provided with a signal synchronization unit 41, and the camera shell is further provided with a mounting opening 12 for the network interface 61 to pass through.
As shown in fig. 4, the signal output ends of the two image capturing units 31 are respectively connected to the two signal input ends of the signal synchronizing unit 41, the signal output end of the signal synchronizing unit 41 is connected to the signal input end of the FPGA image processing unit 51, the signal output end of the FPGA image processing unit 51 is connected to the signal input end of the gigabit network transmission unit 53, the data cache output end of the FPGA image processing unit 51 is connected to the data cache input end of the DDR3.0 processing unit 52, and the signal output end of the gigabit network transmission unit 53 is connected to the network interface 61.
As shown in fig. 5 to 9, there are schematic circuit diagrams of the image capturing unit 31, the signal synchronizing unit 41, the FPGA image processing unit 51, the DDR3.0 processing unit 52, and the gigabit network transmission unit 53, respectively. Any image acquisition unit 31 is connected with the signal synchronization unit 41 by a TRIG interface, the signal synchronization unit 41 is connected with the FPGA image processing unit 51 by an LVDS interface, the FPGA image processing unit 51 is connected with the gigabit network transmission unit 53 by an FIFO interface, and the FPGA image processing unit 51 is connected with the DDR3.0 processing unit 52 by a DDR channel.
The image acquisition unit 31 converts acquired image signals into digital signals and transmits the digital signals to the signal synchronization unit 41, the signal synchronization unit 41 synchronizes and combines the two received digital signals, the digital signals are converted into one digital signal and transmitted to the FPGA image processing unit 51, the FPGA image processing unit 51 processes the received digital signals and transmits the digital signals to the gigabit network transmission unit 53, and the gigabit network transmission unit 53 transmits the digital signals to a back-end system through the network interface 61. Meanwhile, the FPGA image processing unit 51 buffers the processed data in the DDR3.0 processing unit 52, and calls the data buffered by the DDR3.0 processing unit 52 to send to the gigabit network transmission unit 53 under the abnormal conditions of slow operation of the data acquisition system or interference of cables, so that the transmission stability is ensured. The utility model discloses adding and establishing signal synchronization unit 41, synchronizing and merging before image acquisition unit 31 gives FPGA image processing unit 51 with signal transmission, two way signal conversion accomplish a transmission for the signal of the same kind, make two image acquisition unit 31 screenshots unanimous, avoid image data to stagger in the transmission course, guarantee the image precision.
The camera shell comprises a panel 13, a middle cover 14 and a rear cover 15 which are connected in sequence, the lens opening 11 is arranged on the panel 13, and the mounting opening 12 is arranged on the rear cover 15. The power panel 6 is further provided with a power and synchronous input interface 62 for supplying power to the camera, and the power and synchronous input interface 62 is arranged on the mounting opening 12 of the rear cover 15 in a penetrating way and is connected with an external power supply 10.
The rear end of the lens 2 is provided with a lens mount 21, as shown in fig. 2, the lens mount 21 is mounted in a threaded hole 142 of the middle cover 14 through threads; a glass sheet 81 and dustproof silica gel 82 which are sequentially overlapped are further arranged between the lens 2 and the image acquisition plate 3, and the image acquisition plate 3 is abutted against the glass sheet 81 through the dustproof silica gel 82; well cover 14 is last still be equipped with the screens groove 141 of glass piece 81 and dustproof silica gel 82 adaptation, screens groove 141 with screw hole 142 intercommunication, just image acquisition board 3 passes through the screw fixation in screens groove 141 tip extrudes dustproof silica gel 82 deformation, makes glass piece 81 and dustproof silica gel 82 closely laminate bottom screens groove 141, and screens groove 141 lateral wall also laminates with glass piece 81 and dustproof silica gel 82, prevents that glass piece 81 and dustproof silica gel 82 from becoming flexible the skew of appearing. The two clamping grooves 141 are arranged on the same plane, so that the two image acquisition plates 3 are coplanar. The lens 2 is arranged in the threaded hole 142, the left eye optical axis and the right eye optical axis of the adjusting lens 2 are kept parallel as far as possible, the included angle between the left eye optical axis and the right eye optical axis is not more than 3 degrees, and the synchronization of pictures shot by the two lenses 2 is ensured.
The utility model discloses a camera shell, including well lid 14, panel 13 and back lid 15, well lid 14 both sides are equipped with a mounting groove 92 respectively, be equipped with on panel 13 and the back lid 15 respectively with the installation boss 93 of mounting groove 92 adaptation, panel 13 with well lid 14 with be equipped with a sealing washer 91 between the back lid 15 respectively, installation boss 93 all passes through sealing washer 91 with the leakproofness of each junction of camera shell body is guaranteed to the mounting groove 92 butt. Panel 13 and well lid 14, well lid 14 all fixes through a plurality of screws with back lid 15, preferably, panel 13, well lid 14 and back lid 15 are gone up the hole site that is used for the installation screw and are located collinear with mounting groove 92, still be equipped with the arc that communicates with mounting groove 92 on the mounting groove 92 and dodge the groove, be equipped with on the installation boss 93 and dodge the arc of groove adaptation with the arc and dodge boss 94, the arc dodges groove and arc and dodges boss 94 and all set up along the camera casing inboard, save installation space.
An anti-reflection protective lens 17 is further arranged at any lens opening 11 to protect the lens 2. The anti-reflection protective lens 17 is made of high-transmittance optical glass, and provides a good shooting environment for the lens 2.
Preferably, the interface board 4, the main board 5 and the power board 6 are installed between the two lenses 2, the power board 6 is installed on the inner side surface of the rear cover 15, and the main board 5 and the interface board 4 are sequentially installed on the power board 6 in a stacked manner, so that the interface board 4 and the image acquisition board 3 are conveniently connected.
Further, an L-shaped heat-conducting copper sheet 101 and a first heat-conducting gasket 102 are further arranged between the main board 5 and the power board 6, two sides of the first heat-conducting gasket 102 are respectively attached to the surface of the L-shaped heat-conducting copper sheet 101 and the main board 5, a second heat-conducting gasket 103 is further arranged between a side plate of the L-shaped heat-conducting copper sheet 101 and the camera housing, two side surfaces of the second heat-conducting gasket 103 are respectively attached to the side plate of the L-shaped heat-conducting copper sheet 101 and the inner side surface of the camera housing, and the L-shaped heat-conducting copper sheet 101, the first heat-conducting gasket 102 and the second heat-conducting gasket 103 are used for conducting heat generated in the operation process of the components such as the.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A binocular synchronous camera for the open air comprises a camera shell and two lenses arranged in the camera shell side by side, wherein the camera shell is provided with lens openings which correspond to the two lenses one by one, and the binocular synchronous camera is characterized in that an image acquisition board is arranged at the tail end of any one of the lenses, an interface board, a main board and a power board which are sequentially overlapped and installed are further arranged in the camera shell, any one of the image acquisition boards is connected with the interface board through a plurality of flexible flat cables, and the interface board is connected with the main board and the power board through connectors respectively; the camera comprises a power panel, an image acquisition board, an interface board, a FPGA image processing unit, a DDR3.0 processing unit and a gigabit network transmission unit, wherein the image acquisition board is provided with an image acquisition unit, the interface board is provided with a signal synchronization unit, the mainboard is provided with an FPGA image processing unit, a DDR3.0 processing unit and a gigabit network transmission unit, the power panel is provided with a network interface, and the camera shell is also provided with an installation opening for the network interface;
the signal output ends of the two image acquisition units are respectively connected with the two signal input ends of the signal synchronization unit, the signal output end of the signal synchronization unit is connected with the signal input end of the FPGA image processing unit, the signal output end of the FPGA image processing unit is connected with the signal input end of the gigabit network transmission unit, the data cache output end of the FPGA image processing unit is connected with the data cache input end of the DDR3.0 processing unit, and the signal output end of the gigabit network transmission unit is connected with the network interface.
2. The binocular synchronous camera for the outdoor use according to claim 1, wherein the camera housing includes a panel, a middle cover, and a rear cover connected in sequence, the lens opening is provided on the panel, and the mounting opening is provided on the rear cover.
3. The binocular synchronous camera for the outdoor use according to claim 2, wherein a lens mount is provided at a rear end of the lens, the lens mount being screw-mounted to a screw hole of the middle cover; a glass sheet and dustproof silica gel which are sequentially overlapped are further arranged between the lens and the image acquisition plate, and the image acquisition plate is abutted against the glass sheet through the dustproof silica gel; the well cover still be equipped with the screens groove of glass piece and dustproof silica gel adaptation, the screens groove with the screw hole intercommunication, just the image acquisition board passes through the screw fixation in screens groove tip.
4. The binocular synchronous camera for outdoor use according to claim 2, wherein two sides of the middle cover are respectively provided with an installation groove, the middle cover and the rear cover are respectively provided with an installation boss matched with the installation groove, a seal ring is respectively arranged between the panel and the middle cover, and between the middle cover and the rear cover, and the installation bosses are respectively abutted against the installation grooves through the seal rings.
5. The binocular synchronous camera for outdoor use according to claim 1, wherein an anti-reflection protective lens is further provided at any one of the lens openings.
6. The binocular synchronous camera for the outdoor use according to claim 1, wherein the interface board, the main board and the power board are installed between the two lenses.
7. The binocular synchronous camera for outdoor use according to claim 1, wherein an L-shaped heat-conducting copper sheet and a first heat-conducting gasket are further disposed between the main board and the power board, both sides of the first heat-conducting gasket are respectively attached to the surface of the L-shaped heat-conducting copper sheet and the main board, a second heat-conducting gasket is further disposed between the L-shaped heat-conducting copper sheet side plate and the camera housing, and both side surfaces of the second heat-conducting gasket are respectively attached to the L-shaped heat-conducting copper sheet side plate and the inner side surface of the camera housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638601.XU CN210183421U (en) | 2019-09-27 | 2019-09-27 | Be used for open air binocular synchronous camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638601.XU CN210183421U (en) | 2019-09-27 | 2019-09-27 | Be used for open air binocular synchronous camera |
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| CN210183421U true CN210183421U (en) | 2020-03-24 |
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| CN201921638601.XU Active CN210183421U (en) | 2019-09-27 | 2019-09-27 | Be used for open air binocular synchronous camera |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411562A (en) * | 2021-06-23 | 2021-09-17 | 合肥朗云物联科技股份有限公司 | Binocular camera synchronous control method |
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- 2019-09-27 CN CN201921638601.XU patent/CN210183421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113411562A (en) * | 2021-06-23 | 2021-09-17 | 合肥朗云物联科技股份有限公司 | Binocular camera synchronous control method |
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