CN108093163A - A kind of underwater high-speed area array cameras - Google Patents
A kind of underwater high-speed area array cameras Download PDFInfo
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- CN108093163A CN108093163A CN201810093663.0A CN201810093663A CN108093163A CN 108093163 A CN108093163 A CN 108093163A CN 201810093663 A CN201810093663 A CN 201810093663A CN 108093163 A CN108093163 A CN 108093163A
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- area array
- array cameras
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- 238000012545 processing Methods 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000009189 diving Effects 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 230000009182 swimming Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- 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
- H04N23/51—Housings
-
- 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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The present invention provides a kind of underwater high-speed area array cameras, including video camera pressure hull and internally placed high-speed camera, LED lamp circuit plate and power management module, the video camera pressure hull one side is provided with pressure-resistant glass, the high-speed camera is connected with camera, the surrounding of the camera is uniformly equipped with LED light, the LED light is mounted on LED lamp circuit plate and camera collectively faces towards pressure-resistant glass；The processing chip of the high-speed camera uses fpga chip, and the fpga chip is connected with DDR chips, for improving the processing speed of image and data throughout；The fpga chip is connected with SSD hard disks, for storing the parameter configuration of image and camera in phase generator terminal.10 working days can continuously be shot under water, can realize that depth is dived under water, can application range increase, light irradiation is uniform, and shooting speed and processing speed are fast.
Description
Technical field
The present invention relates to a kind of shooting camera of sports tournament, more particularly, to a kind of underwater high-speed area array cameras.
Background technology
Swimming exercise has become the movement strong point in China at present, in order to meet crucial moment sportsman in sports tournament
Water movements and posture tempo variation rule Correct Analysis, particularly in swimming contest, rise jump into water and terminal touch panel
The key pictures such as interpretation it is continuous capture and analysis, it is necessary to a kind of high-speed area array camera and mating motion analysis system handling and
Analysis.And the stroke of the swimming of sportsman can be analyzed by camera under water, coach can be allowed to move sportsman
The guidance and amendment of work allow sportsman to give play to maximum potential.
Swimming exercise time when entering water and contact touch panel is very short, and has multiple people and be carried out at the same time, so underwater phase
Machine has to the demand for ensureing high-resolution and quickly shooting, and thus can clearly photograph the action of each sportsman, from
And it reduces to the dispute to judging and punishing in match.
Widely available monitoring currently on the market or industrial camera system are all the Davinci series or Hai Si with TI companies
Semiconductor Digital Media video processor forms for core, and the frame frequency of these cameras can only achieve 30 frames extremely under high definition resolution ratio
50 frames, also 60 frames are to 70 frames for highest, and general camera on the market can only dive under water to 30 meters at present, cannot meet physical culture
The requirement of in-situ match high speed camera, our company, which devises a kind of shooting, can reach 120 frames, and diving depth reaches 100
The underwater camera of rice.
The content of the invention
The present invention provides a kind of underwater high-speed area array cameras, and solving diving depth increases and possess good shooting speed
The camera design problem of degree, technical solution are as described below：
A kind of underwater high-speed area array cameras, including video camera pressure hull and internally placed high-speed camera, LED
Lamp circuit board and power management module, the video camera pressure hull one side are provided with pressure-resistant glass, the high-speed camera with
Camera is connected, and the surrounding of the camera is uniformly equipped with LED light, the LED light be mounted on LED lamp circuit plate and
Camera collectively faces towards pressure-resistant glass；The processing chip of the high-speed camera uses fpga chip, the fpga chip connection
There are DDR chips, for improving the processing speed of image and data throughout；The fpga chip is connected with SSD hard disks, for
Phase generator terminal stores the parameter configuration of image and camera.
The fpga chip includes cmos image sensor video interface, image processing module, GigE transport modules, SSD
Control module, DDR control modules, lens control module, cmos image sensor configuration interface, the cmos image sensor are matched somebody with somebody
The state modulator that interface combination lens control module is provided commonly for camera is put, the high-speed cmos imaging sensor is mounted on and takes the photograph
As in head, the cmos image sensor configuration interface is connected with high-speed cmos imaging sensor, high-speed cmos image sensing
Device is connected with cmos image sensor video interface, and the cmos image sensor video interface will be passed from high-speed cmos image
The image that sensor obtains is transmitted to image processing module, described image processing module and GigE transport modules, SSD control modules,
DDR control modules are respectively connected with, and the SSD control modules are connected with SSD hard disks, the DDR control modules with two groups
DDR2 processing chips are connected, and the GigE transport modules are connected with PHY chip.
The PHY chip is connected with Rj45 data cables, and the Rj45 data cables and power cord are from video camera pressure hull
Extend to it is waterborne, and by encapsulation process.
The high-speed cmos imaging sensor uses image sensor chip MN34220PL.
Camera surrounding is evenly arranged with the LED light of 4 5W, and the lens of the LED light and camera both increase light transmission
Processing.
The power supply of camera and LED spotlight uses integration power supply, and power management module is powered using personal adapter mode,
The power designs of adapter are 15V, 1.5A.
Pressure-resistant glass carries out water-proofing treatment with video camera pressure hull installation place, using resene as the material of sealing
Material.
Video camera pressure hull and high-speed camera have been filled with the nitrogen of 15MPa, for solving the pressure that diving reaches 100 meters
Strong problem.
Video camera pressure hull surface manganese plating, adds preservative treatment.
The underwater high-speed area array cameras can continuously shoot 10 working days under water, can realize that depth is dived under water, can answer
Increased with scope, light irradiation is uniform, and shooting speed and processing speed are fast, and using effect is good.
Description of the drawings
Fig. 1 is the structure diagram of the underwater high-speed area array cameras；
Fig. 2 is the camera Facad structure figure；
Fig. 3 is the structure diagram of the FPGA high-speed chips.
Specific embodiment
Fig. 1 is the structure chart of the underwater high-speed area array cameras, and it is pressure-resistant that the underwater high-speed area array cameras includes video camera
Housing 1 and internally placed high-speed camera 6, LED lamp circuit plate 7 and power management module, the video camera pneumatic shell
1 one side of body is provided with pressure-resistant glass 3, and the high-speed camera 6 is connected with camera 5, and the surrounding of the camera 5 is uniformly pacified
Equipped with LED light 4, the LED light 4 is mounted on LED lamp circuit plate 7 and camera 5 collectively faces towards pressure-resistant glass 3；In order to solve
The problem of depth of water pressure is big, video camera pressure hull 1 and high-speed camera 6 have been filled with the nitrogen of 15MPa, reach to solve diving
100 meters of pressure problem.Pressure-resistant glass 3 is sealed fixation by seal nipple 2, and seal nipple 2 is interior using diameter 0.7MM's
Hex(agonal)screw is fixed, and is increased the underwater of underwater high-speed area array cameras and measuring body is born dynamics.
The resene that water-proofing treatment uses is as the material of sealing, and common underwater camera is because underwater depth can only be handled
The coverage of 15-25 meters of degree, but such camera adds the function of depth diving, the maximum diving of such camera in design
Depth increases 100 meters, and substantially increase this camera can application range.
Video camera pressure hull 1 uses special steel as raw material, it is contemplated that the problem of under long-time soaking water, is plated in surface of shell
Manganese adds preservative treatment.After tested, such camera can continuously shoot 10 working days under water.This point is than general camera significantly
The working time of underwater photograph technical is added, the shooting working day of common underwater camera is at most also with regard to 5 working days.Such camera
Must general camera add one times.
Common underwater camera, because underwater light transmittance is low, visibility is also low, is all mounted with LED light source in the camera
To increase the visual range of camera.But the power supply of underwater camera has its particularity again, it is impossible to the direct current supply as conventional equipment,
It to consider the use scope of camera, be powered using personal adapter mode, the power designs of adapter are 15V, 1.5A.
As shown in Fig. 2, the camera position of high-speed area array camera uniformly increases by the LED spotlight of 4 5W to increase under water
The visual range of camera, LED spotlight add light transmission processing, and the lens of camera 5 add light transmission processing.
Common water phase video camera be all use Davinci series or Hai Si semiconductors Digital Media video processor for
Core forms, and the use of these acp chips directly results in shooting no more than 50 frames, will crash, block more than 50 frame cameras
Extremely, the problems such as data sending does not come out.
The present invention has selected one group of chip that can support high speed processing for the high-resolution of camera view to be ensured ---
FPGA high-speed chips, this chip supports the compression of image code high speed, and to ensure that speed is fast in compression, and handling capacity is strong,
In addition one group of DDR chip is added on the mainboard of camera to be used for ensureing processing speed and handling capacity；In view of the delay of transmission
Property, increasing solid state disk carrys out some parameter configurations in phase generator terminal storage part partial image and camera, the camera lens part of camera 5
Type selecting determines to carry out image collection processing, data transmission using a new generation of Panasonic cmos image sensor chip MN34220PL
With GigE physical network card chips, power supply is powered using personal adapter mode.
In this way, the processing chip of the high-speed camera uses fpga chip, the fpga chip is connected with DDR chips,
For improving the processing speed of image and data throughout；The fpga chip is connected with SSD hard disks, for being stored in phase generator terminal
The parameter configuration of image and camera.
It is passed as shown in figure 3, the fpga chip includes cmos image sensor video interface, image processing module, GigE
Defeated module, SSD control modules, DDR control modules, lens control module, cmos image sensor configuration interface, the CMOS figures
As sensor configuration interface combination lens control module is provided commonly for the state modulator of camera, the high-speed cmos image sensing
Device is mounted in camera, and the cmos image sensor configuration interface is connected with high-speed cmos imaging sensor, at a high speed
Cmos image sensor is connected with cmos image sensor video interface, and the cmos image sensor video interface will be from height
The image that fast cmos image sensor obtains is transmitted to image processing module, described image processing module and GigE transport modules,
SSD control modules, DDR control modules are respectively connected with, and the SSD control modules are connected with SSD hard disks, the DDR controls
Module is connected with two groups of DDR2 processing chips, and the GigE transport modules are connected with PHY chip.
The PHY chip is connected with Rj45 data cables, and the Rj45 data cables and power cord are from video camera pressure hull
Extend to it is waterborne, and by encapsulation process.
The high-speed cmos imaging sensor uses image sensor chip MN34220PL.
The invention has the characteristics that：
(1) 120 frame shoots problem, and phase mainboard acp chip uses FPGA high-speed high-performance chips, set in phase mainboard
2G DDR memories have been counted to ensure the handling capacity of data and transmission, have increased solid state disk to store the high frame data of shooting, data
Transmission is transmitted with high speed network interface.
(2) 100 meters of depth underwater light transmission problems increase by the special LED spotlight of 4 5W and practise physiognomy the irradiation of camera increasing water
Scope, so as to improve the coverage of underwater camera and shooting distance.
The pressure problem of (3) 100 meters of depth diving, housing protect the camera lens of camera using special steel body, and LED is penetrated
Lamp, in-line power circuit board, and the nitrogen of 15Mpa has been filled with to solve to press under water when diving reaches 100M in housing and camera
The problem of strong excessive.
(4) power pack uses integration power supply to the power supply of camera and LED spotlight, and by the 15V that uses by oneself, 1.5A's is suitable
Orchestration is powered, and is entered water section in camera power supply and cable and has been carried out sealing specially treated, prevents from leaking electricity in water.
(5) program development is used has gone out imaging sensor high speed LVDS interface and control using VerilogHDL language designs
Circuit, image data color space transformation circuit, H264 image signal compression coding algorithms circuit, DDR2 control interfaces, thousand
The required all logic functions of this camera such as million network transmission circuits and solid hard disk interface control circuit.
Claims (9)
1. a kind of underwater high-speed area array cameras, it is characterised in that：Including video camera pressure hull and internally placed high speed
Video camera, LED lamp circuit plate and power management module, the video camera pressure hull one side are provided with pressure-resistant glass, the height
Fast video camera is connected with camera, and the surrounding of the camera is uniformly equipped with LED light, and the LED light is mounted on LED light electricity
On the plate of road and camera collectively faces towards pressure-resistant glass；The processing chip of the high-speed camera uses fpga chip, the FPGA
Chip is connected with DDR chips, for improving the processing speed of image and data throughout；It is hard that the fpga chip is connected with SSD
Disk, for storing the parameter configuration of image and camera in phase generator terminal.
2. underwater high-speed area array cameras according to claim 1, it is characterised in that：The fpga chip includes cmos image
Sensor video interface, image processing module, GigE transport modules, SSD control modules, DDR control modules, lens control mould
Block, cmos image sensor configuration interface, the cmos image sensor configuration interface combination lens control module are provided commonly for
The state modulator of camera, the high-speed cmos imaging sensor are mounted in camera, the cmos image sensor configuration
Interface is connected with high-speed cmos imaging sensor, and high-speed cmos imaging sensor is connected with cmos image sensor video interface
It connects, the image obtained from high-speed cmos imaging sensor is transmitted to image procossing mould by the cmos image sensor video interface
Block, described image processing module are respectively connected with GigE transport modules, SSD control modules, DDR control modules, the SSD controls
Molding block is connected with SSD hard disks, and the DDR control modules are connected with two groups of DDR2 processing chips, and the GigE transmits mould
Block is connected with PHY chip.
3. underwater high-speed area array cameras according to claim 2, it is characterised in that：The PHY chip and Rj45 data cables
Be connected, the Rj45 data cables and power cord extended to from video camera pressure hull it is waterborne, and by encapsulation process.
4. underwater high-speed area array cameras according to claim 2, it is characterised in that：The high-speed cmos imaging sensor is adopted
With image sensor chip MN34220PL.
5. underwater high-speed area array cameras according to claim 1, it is characterised in that：Camera surrounding is evenly arranged with 4
The lens of the LED light of 5W, the LED light and camera both increase light transmission processing.
6. underwater high-speed area array cameras according to claim 1, it is characterised in that：The power supply of camera and LED spotlight uses
Integration power supply, power management module are powered using personal adapter mode, and the power designs of adapter are 15V, 1.5A.
7. underwater high-speed area array cameras according to claim 1, it is characterised in that：Pressure-resistant glass and video camera pressure hull
Installation place carries out water-proofing treatment, using resene as the material of sealing.
8. underwater high-speed area array cameras according to claim 1, it is characterised in that：Video camera pressure hull and high-speed camera
Machine has been filled with the nitrogen of 15MPa, for solving the problems, such as that diving reaches 100 meters of pressure.
9. underwater high-speed area array cameras according to claim 1, it is characterised in that：Video camera pressure hull surface manganese plating,
Add preservative treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093663.0A CN108093163A (en) | 2018-01-31 | 2018-01-31 | A kind of underwater high-speed area array cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093663.0A CN108093163A (en) | 2018-01-31 | 2018-01-31 | A kind of underwater high-speed area array cameras |
Publications (1)
| Publication Number | Publication Date |
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| CN108093163A true CN108093163A (en) | 2018-05-29 |
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| CN201810093663.0A Pending CN108093163A (en) | 2018-01-31 | 2018-01-31 | A kind of underwater high-speed area array cameras |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566505A (en) * | 2018-05-31 | 2018-09-21 | 山东中泳体育股份有限公司 | A kind of finish film machine of sports tournament auxiliary timing |
| CN109254477A (en) * | 2018-10-31 | 2019-01-22 | 中国科学院西安光学精密机械研究所 | A kind of sealing device of underwater high-speed camera system |
| CN110012207A (en) * | 2019-06-05 | 2019-07-12 | 清华四川能源互联网研究院 | Filming apparatus and inspection device |
| CN110035214A (en) * | 2019-06-03 | 2019-07-19 | 黄山中鼎信息技术有限公司 | A kind of camera housing |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566505A (en) * | 2018-05-31 | 2018-09-21 | 山东中泳体育股份有限公司 | A kind of finish film machine of sports tournament auxiliary timing |
| CN109254477A (en) * | 2018-10-31 | 2019-01-22 | 中国科学院西安光学精密机械研究所 | A kind of sealing device of underwater high-speed camera system |
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| CN110035214A (en) * | 2019-06-03 | 2019-07-19 | 黄山中鼎信息技术有限公司 | A kind of camera housing |
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| CN110012207B (en) * | 2019-06-05 | 2019-09-10 | 清华四川能源互联网研究院 | Filming apparatus and inspection device |
| US11985399B2 (en) | 2019-06-05 | 2024-05-14 | Sichuan Energy Internet Research Institute, Tsinghua University | Photographing apparatus and inspection device |
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Address after: 100061 11 Dongcheng District gymnasium Road, Beijing Applicant after: CHINA INSTITUTE OF SPORT SCIENCE Applicant after: National Sports Technology (Beijing) Co.,Ltd. Applicant after: BEIJING JOYI TECHNOLOGY CO.,LTD. Address before: 100061 11 Dongcheng District gymnasium Road, Beijing Applicant before: CHINA INSTITUTE OF SPORT SCIENCE Applicant before: BEIJING GUOTI TECHNOLOGY DEVELOPMENT SERVICE CENTER Applicant before: BEIJING JOYI TECHNOLOGY CO.,LTD. |