CN209342058U - A kind of multi-vision visual detection structure for underwater fuel assembly - Google Patents
A kind of multi-vision visual detection structure for underwater fuel assembly Download PDFInfo
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- CN209342058U CN209342058U CN201822073424.7U CN201822073424U CN209342058U CN 209342058 U CN209342058 U CN 209342058U CN 201822073424 U CN201822073424 U CN 201822073424U CN 209342058 U CN209342058 U CN 209342058U
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Abstract
The utility model provides a kind of multi-vision visual detection structure for underwater fuel assembly comprising: multiple binocular measurement modules, multiple faces LED uniform source of light, support frame, two electrical modules；Binocular measurement module includes that the face the LED uniform source of light of the upper semisection of two the first electrical modules of camera unit driving support frame shines, and the signal from controller is forwarded to the camera unit of the upper semisection of support frame；Second electrical module drives the face the LED uniform source of light of the lower semisection of support frame to shine, and the signal from controller is forwarded to the camera unit of the lower semisection of support frame；The base direction of binocular measurement module is consistent with support frame long axis direction, and all optical axises of camera unit are coplanar, and two camera units close to each other constitute virtual binocular measurement module in two neighboring binocular measurement module.The utility model can reduce the assembling difficulty of detection structure and the replacement difficulty of component, can be with improving measurement accuracy.
Description
Technical field
The utility model relates to technical field of vision detection more particularly to a kind of multi-vision visual for underwater fuel assembly
Detection structure.
Background technique
Fuel assembly is the important component of nuclear energy power generation, is chronically in high temperature, high pressure and the working environment of intense radiation,
Because being irradiated, thermal stress etc. certain deformation can occur, excessive fuel assembly deformation can bring difficult to load and unload, fuel stack in heap
Part accelerates the problems such as breakage, reactor core quadrant power tilt.The deformation for understanding nuclear fuel assembly, not only can be reactor fuel
Component, which smoothly loads, provides accurate deformation data, can be used for judging whether irradiated fuel assembly can recycle again
Deng.Therefore, a kind of easy, efficient, adaptable, deformation measurement structure that measurement accuracy is high is designed to run npp safety
Have great importance.
Since fuel assembly is in particular surroundings, generally its deformation measurement is all measured using contactless mode.
The technologies such as view-based access control model, ultrasonic wave, vortex are used for the detection of fuel assembly, wherein it is broken that ultrasonic examination is usually used in fuel rod
The identification of damage, EDDY CURRENT are usually used in the detection of fuel rod defect, and vision technique is mainly used for fuel assembly overall size
Measurement.Lan Zhibin etc. develops fuel assembly envelope contour size complete-automatic check device, which is mainly used for fuel assembly
The final detection of factory, uses Circular gratings+linear grating method to measure fuel rod length.Deng Zhi is newly equal to use water
Lower supersonic sounding method describes fuel assembly irradiation deformation, using Ultrasound Instrument synchronous acquisition Multi probe and measured component away from
From, and deflection is calculated with calibration value difference operation.The use such as high Yongming is combined based on video image sensors with calibration
Method carry out fuel assembly deformation measurement, the measurement structure may be implemented dynamic and static measurement, can to fuel rod length,
Screen work width, fuel assembly deflection etc. measure, and by verification experimental verification, the component bending deformation repeatable accuracy for obtaining system reaches
±1mm.The structure designed herein is based on underwater Binocular vision photogrammetry method, compared with conventional structure, operation simple with structure
The features such as convenient, high-efficient, measurement accuracy is high.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of multi-vision visual detection knot for underwater fuel assembly
Structure can reduce the assembling difficulty of detection structure and the replacement difficulty of component, can be with improving measurement accuracy.
A kind of multi-vision visual detection structure for underwater fuel assembly provided by the utility model, comprising: multiple binoculars
Measurement module, multiple faces LED uniform source of light, support frame, multiple binocular seal cavities, multiple light sources seal cavity and two electricity
Gas module；
Wherein, each binocular measurement module includes two camera units, the fixed setting of each binocular measurement module
Inside a binocular seal cavity, each face LED uniform source of light is fixed inside a light source seal cavity；
The multiple binocular seal cavity is divided into two parts, and the multiple light source seal cavity is divided into two parts；
First part's binocular seal cavity and first part's light source seal cavity are each attached to the upper semisection of support frame as described above,
And first part's binocular seal cavity and first part's light source seal cavity are spaced apart from each other distribution；In first part's binocular seal chamber
A binocular seal cavity in body is internally provided with the first electrical module, first electrical module and support frame as described above it is upper
It is electrically connected between half section each binocular measurement module, each face LED uniform source of light, and first electrical module is also
It is electrically connected with controller；
First electrical module, for driving the face the LED uniform source of light of upper semisection of support frame as described above to shine, Yi Jijie
The signal from the controller is received, and the signal from the controller is forwarded to the camera shooting of the upper semisection of support frame as described above
Unit, to control the work of the camera unit；
Second part binocular seal cavity and second part light source seal cavity are each attached to the lower semisection of support frame as described above,
And second part binocular seal cavity and second part light source seal cavity are spaced apart from each other distribution；In second part binocular seal chamber
A binocular seal cavity in body is internally provided with the second electrical module, under second electrical module and support frame as described above
It is electrically connected between half section each binocular measurement module, each face LED uniform source of light, and second electrical module is also
It is electrically connected with the controller；
Second electrical module, for driving the face the LED uniform source of light of lower semisection of support frame as described above to shine, Yi Jijie
The signal from the controller is received, and the signal from the controller is forwarded to the camera shooting of the lower semisection of support frame as described above
Unit, to control the work of the camera unit；
The base direction of the binocular measurement module is consistent with support frame as described above long axis direction, and the camera unit owns
Optical axis is coplanar, and two camera units close to each other in two neighboring binocular measurement module constitute virtual binocular measurement module.
Preferably, each electrical module includes: video routing unit, triggering adapter unit, LED drive unit；
The LED drive unit, for driving the face LED uniform source of light to shine；
The video routing unit, for the video data signal from the camera unit to be delivered to the control
Device；
The triggering adapter unit is used for Synchronous camera unit video data-signal from the controller for receiving
Trigger signal, and the trigger signal is delivered to multiple camera units, to control multiple camera unit synchronized samplings shootings.
Preferably, each electrical module also includes electric-motor drive unit, also sets inside each binocular seal cavity
It is equipped with a motion module, the motion module includes a focusing motor；
The focusing motor, is adjusted for the focal plane to the camera unit；
The electric-motor drive unit, for driving the focusing motor.
Preferably, the electric-motor drive unit, further for carrying out timesharing adjusting to the focusing motor；
The video routing unit, further for that will be conveyed from the video data signal timesharing of the camera unit
To the controller.
Preferably, the camera unit includes camera and camera lens；
The optical glass of light-permeable is additionally provided on the side wall of the binocular seal cavity；
The camera lens for converting the identifiable optical signal of the camera for natural light, and the optical signal is conveyed
To the camera；
The camera, for converting electric signal for the optical signal, and by electric signal by being delivered to the controller；
The motion module also includes that aperture adjusts unit；The aperture adjusts unit, for adjusting the camera lens
Aperture.
Preferably, support frame as described above include support frame upper section, support frame lower section and for by support frame as described above upper section and
The bindiny mechanism that support frame as described above lower section is fixedly connected；
First part's binocular measurement module is equidistantly distributed and the second part binocular measurement module is etc.
Spacing distribution；
The face the LED uniform source of light of the upper semisection of support frame as described above is the lower semisection of equidistantly distributed and support frame as described above
LED area light source be equidistantly distributed；
And each face LED uniform source of light is between two neighboring adjacent binocular measurement module.
Preferably, the bindiny mechanism is threaded components；
By buckle splicing between support frame as described above upper section and support frame as described above lower section, and pass through the bindiny mechanism for institute
It states fixed between support frame upper section and support frame as described above lower section.
Preferably, the optical glass of light-permeable is provided on the side wall of the light source seal cavity.
Preferably, one is further fixed on support frame as described above for support frame as described above to be fixed on consolidating for fuel storage pool side
Determine mechanism.
Preferably, pass through cable electrical property between each electrical module and binocular measurement module and the face LED uniform source of light
Connection, and be electrically connected between each electrical module and the controller also by cable.
Implement the utility model, have the following beneficial effects: detection structure provided by the utility model, with conventional detection
Structure is compared, and binocular measurement module is carried out modularized design, each binocular measurement module include there are two camera unit so that
The design and operation of binocular measurement module are more convenient, maintenance is more efficient, in equipment in use, can reduce staff's
Difficulty is assembled, part replacement difficulty is reduced in maintenance.Also, the electrical module of the utility model and the face LED uniform source of light and
Electric connection mode between binocular measurement module can be to avoid using excessive cable in underwater radiation environment, and then reduces cable
Radiation decontamination link, reduce the use complexity of detection structure.
Meanwhile the base direction of binocular measurement module is consistent with support frame long axis direction, i.e., longitudinal binocular layout structure
It can be multiplexed camera unit, the multiple complementary calibration of binocular measurement module is realized, improve the consistency of detection structure parameter, in turn
Improving measurement accuracy.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of multi-vision visual detection structure provided by the utility model.
Fig. 2 is the structural schematic diagram inside binocular seal cavity provided by the utility model.
Fig. 3 is the structural schematic diagram inside light source seal cavity provided by the utility model.
Fig. 4 is the functional block diagram of controller and electrical module provided by the utility model.
Specific embodiment
The utility model provides a kind of multi-vision visual detection structure for underwater fuel assembly, as shown in Figure 1, the detection
Structure includes: that multiple binocular measurement modules (each binocular measurement module includes two camera units 4), multiple faces LED are equal
Even light source 5, support frame, multiple binocular seal cavities 8 shown in Fig. 2, multiple light source seal cavities 9 shown in Fig. 3 and two
Electrical module 10.Support frame includes support frame upper section 31, support frame lower section 32 and is used for support frame upper section 31 and support frame
The bindiny mechanism 33 that lower section 32 is fixedly connected.79 be underwater fuel assembly (general fuel assembly) shown in Fig. 1.
Wherein, each binocular measurement module is fixed inside a binocular seal cavity 8, each face LED is equal
Even light source 5 is fixed inside a light source seal cavity 9.The internal structure of binocular seal cavity 8 is as shown in Fig. 2, light source
The internal structure of seal cavity 9 is as shown in Figure 3.The optical glass 92 of light-permeable is provided on the side wall of light source seal cavity 9.
The center of the installation light source seal cavity 9 of the face LED uniform source of light 5.
Multiple binocular seal cavities 8 are divided into two parts, and multiple light sources seal cavity 9 is divided into two parts.
First part's binocular seal cavity 8 and first part's light source seal cavity 9 are each attached to the upper semisection of support frame (i.e.
Support frame upper section 31), and first part's binocular seal cavity 8 and first part's light source seal cavity 9 are spaced apart from each other distribution；?
A binocular seal cavity 8 in first part's binocular seal cavity 8 is internally provided with the first electrical module, the first electrical module
It is electrically connected between each binocular measurement module of the upper semisection of support frame, each face LED uniform source of light 5, and first
Electrical module is also electrically connected with controller 20.It here, can be to avoid in underwater radiation environment by this electric connection mode
Using excessive cable, and then the radiation decontamination link of cable is reduced, reduces the use complexity of detection structure.
Specifically, first part's binocular measurement module is equidistantly distributed, the face the LED uniform source of light of the upper semisection of support frame
5 be equidistantly distributed.And each face LED uniform source of light 5 is between two neighboring adjacent binocular measurement module.
First electrical module is used to drive the face the LED uniform source of light 5 of the upper semisection of support frame to shine, and receives and carry out automatic control
The signal of device 20 processed, and the signal from controller 20 is forwarded to the camera unit 4 of the upper semisection of support frame, to control camera shooting
The work of unit 4.
Second part binocular seal cavity 8 and second part light source seal cavity 9 are each attached to the lower semisection of support frame (i.e.
Support frame lower section 32), and second part binocular seal cavity 8 and second part light source seal cavity 9 are spaced apart from each other distribution；?
A binocular seal cavity 8 in second part binocular seal cavity 8 is internally provided with the second electrical module, the second electrical module
It is electrically connected between each binocular measurement module of the lower semisection of support frame, each face LED uniform source of light 5, and second
Electrical module is also electrically connected with controller 20.It equally, can be to avoid in underwater radiation environment by this electric connection mode
Using excessive cable, and then the radiation decontamination link of cable is reduced, reduces the use complexity of detection structure.Specifically, second
Part binocular measurement module is that the LED area light source of the lower semisection of equidistantly distributed and support frame is equidistantly distributed, and each
A face LED uniform source of light 5 is between two neighboring adjacent binocular measurement module.
Second electrical module is used to drive the face the LED uniform source of light 5 of the lower semisection of support frame to shine, and receives and carry out automatic control
The signal of device 20 processed, and the signal from controller 20 is forwarded to the camera unit 4 of the lower semisection of support frame, to control camera shooting
The work of unit 4.
The base direction of binocular measurement module is consistent with support frame long axis direction (to that is to say binocular measurement module along support frame
Axially/longitudinally successively arrange), all optical axises of camera unit 4 are coplanar, and close to each other in two neighboring binocular measurement module
Two camera units 4 constitute virtual binocular measurement module；The multiple complementary calibration of binocular measurement module may be implemented in the structure, just
High-precision calibrating is carried out in the parameter to this structure.
For example, above-mentioned detection structure includes 8 binoculars survey that 6 face LED uniforms source of light, 5,16 camera units 4 form
Measure module.It is respectively fixedly installed 3 face LED uniforms source of light 5 respectively in the upper semisection and lower semisection of support frame, in support frame
Upper semisection and lower semisection are respectively fixedly installed 4 binocular measurement modules respectively.
Further, as shown in figure 4, each electrical module 10 includes: video routing unit 103, triggering switching list
First 104, LED drive unit 102.
LED drive unit 102 is for driving the face LED uniform source of light 5 to shine.
Video routing unit 103 is used to the video data signal from camera unit 4 being delivered to controller 20.
Triggering adapter unit 104, which is used to receive, is used for Synchronous camera unit 4 video data signal from controller 20
Trigger signal, and trigger signal is delivered to multiple camera units 4, to control multiple 4 synchronized sampling of camera unit shootings.
Further, each electrical module 10 also includes electric-motor drive unit 101, each binocular seal cavity 8
Inside is additionally provided with a motion module 83 (referring to Fig. 3), and motion module 83 includes a focusing motor (not shown).
Focusing motor is for being adjusted the focal plane of camera unit 4.
Electric-motor drive unit 101 is for driving focusing motor.
Electric-motor drive unit 101 is further for carrying out timesharing adjusting to focusing motor.
Video routing unit 103 is further for being delivered to control for the video data signal timesharing from camera unit 4
Device 20 processed.Video data signal is delivered to image processing server 63 and handled by controller 20.
Camera unit 4 includes camera 81 and camera lens 82 (referring to Fig. 3)；It is additionally provided on the side wall of binocular seal cavity 8
The optical glass 85 of light-permeable；Camera lens 82 is used to convert the identifiable optical signal of camera 81 for natural light, and optical signal is defeated
It send to camera 81.
Camera 81 is used to convert optical signal into electric signal, and by electric signal by being delivered to controller 20.
Motion module 83 also includes that aperture adjusts unit (not shown)；Aperture adjusts unit for adjusting camera lens
Aperture.
Camera lens 82 is installed on the front end of camera 81, realizes video data acquiring together.Motion module 83 is arranged in mirror
The adjusting of 82 optical parameter of camera lens (focal plane, aperture) is realized in first 82 side.
Further, bindiny mechanism 33 is threaded components；Pass through buckle between support frame upper section 31 and support frame lower section 32
Splicing, and will be fixed between support frame upper section 31 and support frame lower section 32 by bindiny mechanism 33.
Further, one is further fixed on support frame for support frame to be fixed on to the fixed mechanism of fuel storage pool side
61。
Further, pass through electricity between each electrical module 10 and binocular measurement module and the face LED uniform source of light 5
Cable is electrically connected, and is electrically connected between each electrical module 10 and controller 20 also by submerged cable 62.Generally, exist
It can be provided with one on 9 side wall of binocular seal cavity 8 and light source seal cavity for the hole that cable passes through, pass through this in cable
After hole, this hole can be arranged in by a sealing plug and block this hole, so that binocular seal cavity 8 and light source are close
The air-tightness for sealing cavity 9 is good.
It preferably, further include power module 21 for power supply in controller 20, the triggering for sending trigger signal is sent out
Send unit 22, and the routing module 23 for receiving the video data signal from electrical module 10.
Sealing plug and optical glass are located at binocular seal cavity as the water-stop component at seal cavity special construction
Sealing plug 84 (referring to Fig. 3) inside 8 is installed on the side wall of seal cavity, the optical glass 85 inside binocular seal cavity 8
It is mounted on 82 front of camera lens.
Sealing plug 91 (referring to fig. 4) in light source seal cavity 9 is installed on the side wall of seal cavity, optical glass
92 are mounted on the front of the face LED uniform source of light 5.
In above-mentioned detection structure, the sensor of camera unit 4 uses high resolution up to 5,000,000 pixels (2448*2048)
High definition cmos image sensor, the low distortion measurement camera lens of high definition of the camera lens based on 25mm fixed-focus, the face LED uniform source of light 5 be 20W
Array LED is modulated by lens, guarantees illumination uniformity.
Adjacent two radiotolerant camera units 4 form one group of binocular measurement module, and the baseline of binocular measurement module is
240mm, the camera mounting groove component of serial number 85 (camera mounting groove as shown in figure 1) being integrally fastened in binocular seal cavity 8
In, binocular measurement module about 1.2m at a distance from measurement target, due to underwater operation, which can guarantee the measurement essence of 0.2mm
Degree, meanwhile, the component distance between two neighboring binocular measurement module is 570mm, to measure the average headway of target as design
Foundation.
The face LED uniform source of light 5 is in the layout of the binocular measurement module of support frame upper section 31 and support frame lower section 32 at equal intervals
Between, guarantee the uniform illumination at measurement target, wherein the face LED uniform source of light 5 includes LED lamp bead and lens, and the face LED is uniform
The LED lamp bead of light source 5 and lens etc. are placed in light source seal cavity 9.
2 sections, i.e. support frame up and down are divided into using the complete support frame in the hollow, rectangular section of hardening oxidation aluminum alloy materials
Upper section 31 and support frame lower section 32 are protected when in use by screw thread again after the buckle splicing of the bindiny mechanism of stainless steel material
Demonstrate,prove the planarization of support frame.The fixed mechanism of stainless steel material for realizing overall structure fuel storage pool side reliable peace
Dress.
Electrical module 10 includes electric-motor drive unit 101, video routing unit 103, triggering adapter unit 104, LED drive
102 He of moving cell.Wherein, electric-motor drive unit 101, LED drive unit 102 and video routing unit 103 are in the upper of support frame
Lower section respectively has a set of.
Binocular measurement module realizes the underwater static seal of module based on O-ring, meanwhile, in support frame upper section 31 and branch
The external electric interfaces separation of the binocular measurement module of support lower section 32, the electric wire of 4 groups of binocular measurement modules of each section of support frame
It concentrates on electrical module 10 wherein after 1 group, by the control of the external outlet of binocular measurement module containing electrical module 10 to workspace
Device 20 processed reduces system and uses complexity.
The face LED uniform source of light 5 realizes that the underwater static seal of module, O-ring are set to optical glass and light source based on O-ring
Between seal cavity 9, meanwhile, the external electric interfaces separation of light source module in support frame upper section 31 and support frame lower section 32,
The electric wire of 3 groups of light source modules of each section of bracket concentrates in the binocular measurement module containing electrical module 10.
Camera unit 4 works in external trigger mode, and the effective period edging trigger signal of rising edge is united by controller 20
One generates, and reaches in the electrical module 10 of support frame through submerged cable, then be sequentially ingressed into the triggering interface of each camera unit 4, protects
Demonstrate,prove the synchronization of all 4 vision signals of camera unit.
Electric-motor drive unit 101 in electrical module 10 can realize that the timesharing of 8 tunnels focusing motor is adjusted, LED driving unit
102 can realize the adjusting of 3 paths of LEDs face uniform source of light, 5 brightness, and video routing unit 103 can realize the 8 of 4 groups of binocular measurement modules
The timesharing of road video data exports, and edge signal is directly accessed the triggering interface of 8 camera units 4 by triggering adapter unit 104
Positive and negative terminals parallel connection at.
In conclusion detection structure provided by the utility model, compared with conventional detection structure, by binocular measurement module
Modularized design is carried out, each binocular measurement module includes that there are two camera units 4, so that design and the behaviour of binocular measurement module
Work is more convenient, maintenance is more efficient, in equipment in use, the assembling difficulty of staff can be reduced, reduces in maintenance
Part replacement difficulty.Meanwhile longitudinal binocular layout structure can be multiplexed camera unit 4, realize the multiple of binocular measurement module
Complementation calibration improves the consistency of detection structure parameter, and then improving measurement accuracy.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (10)
1. a kind of multi-vision visual detection structure for underwater fuel assembly characterized by comprising multiple binoculars measure mould
Block, multiple faces LED uniform source of light, support frame, multiple binocular seal cavities, multiple light sources seal cavity and two electrical moulds
Block；
Wherein, each binocular measurement module includes two camera units, each binocular measurement module is fixed at one
Inside a binocular seal cavity, each face LED uniform source of light is fixed inside a light source seal cavity；
The multiple binocular seal cavity is divided into two parts, and the multiple light source seal cavity is divided into two parts；
First part's binocular seal cavity and first part's light source seal cavity are each attached to the upper semisection of support frame as described above, and
A part of binocular seal cavity and first part's light source seal cavity are spaced apart from each other distribution；In first part's binocular seal cavity
A binocular seal cavity be internally provided with the first electrical module, the upper semisection of first electrical module and support frame as described above
Each binocular measurement module, be electrically connected between each face LED uniform source of light, and first electrical module also with control
Device processed is electrically connected；
First electrical module, it is luminous for driving the face the LED uniform source of light of upper semisection of support frame as described above, and receive and
From the signal of the controller, and the signal from the controller is forwarded to the camera shooting list of the upper semisection of support frame as described above
Member, to control the work of the camera unit；
Second part binocular seal cavity and second part light source seal cavity are each attached to the lower semisection of support frame as described above, and
Two part binocular seal cavities and second part light source seal cavity are spaced apart from each other distribution；In second part binocular seal cavity
A binocular seal cavity be internally provided with the second electrical module, the lower semisection of second electrical module and support frame as described above
Each binocular measurement module, be electrically connected between each face LED uniform source of light, and second electrical module also with institute
State controller electric connection；
Second electrical module, it is luminous for driving the face the LED uniform source of light of lower semisection of support frame as described above, and receive and
From the signal of the controller, and the signal from the controller is forwarded to the camera shooting list of the lower semisection of support frame as described above
Member, to control the work of the camera unit；
The base direction of the binocular measurement module is consistent with support frame as described above long axis direction, all optical axises of the camera unit
Two coplanar and close to each other in two neighboring binocular measurement module camera units constitute virtual binocular measurement module.
2. the multi-vision visual detection structure according to claim 1 for underwater fuel assembly, which is characterized in that each
Electrical module includes: video routing unit, triggering adapter unit, LED drive unit；
The LED drive unit, for driving the face LED uniform source of light to shine；
The video routing unit, for the video data signal from the camera unit to be delivered to the controller；
The triggering adapter unit, for receiving the touching for Synchronous camera unit video data-signal from the controller
It signals, and the trigger signal is delivered to multiple camera units, to control multiple camera unit synchronized sampling shootings.
3. the multi-vision visual detection structure according to claim 2 for underwater fuel assembly, which is characterized in that each
Electrical module also includes electric-motor drive unit, and a motion module is additionally provided with inside each binocular seal cavity, described
Motion module includes a focusing motor；
The focusing motor, is adjusted for the focal plane to the camera unit；
The electric-motor drive unit, for driving the focusing motor.
4. the multi-vision visual detection structure according to claim 3 for underwater fuel assembly, which is characterized in that
The electric-motor drive unit, further for carrying out timesharing adjusting to the focusing motor；
The video routing unit, further for the video data signal timesharing from the camera unit to be delivered to institute
State controller.
5. the multi-vision visual detection structure according to claim 3 for underwater fuel assembly, which is characterized in that described to take the photograph
As unit includes camera and camera lens；
The optical glass of light-permeable is additionally provided on the side wall of the binocular seal cavity；
The optical signal for converting the identifiable optical signal of the camera for natural light, and is delivered to institute by the camera lens
State camera；
The camera, for converting electric signal for the optical signal, and by electric signal by being delivered to the controller；
The motion module also includes that aperture adjusts unit；The aperture adjusts unit, for adjusting the aperture of the camera lens.
6. the multi-vision visual detection structure according to claim 1 for underwater fuel assembly, which is characterized in that the branch
Support includes support frame upper section, support frame lower section and for support frame as described above upper section to be fixedly connected with support frame as described above lower section
Bindiny mechanism；
First part's binocular measurement module is equidistantly distributed and the second part binocular measurement module is equidistant
Distribution；
The face the LED uniform source of light of the upper semisection of support frame as described above is the LED of the lower semisection of equidistantly distributed and support frame as described above
Area source is equidistantly distributed；
And each face LED uniform source of light is between two neighboring adjacent binocular measurement module.
7. the multi-vision visual detection structure according to claim 6 for underwater fuel assembly, which is characterized in that the company
Connection mechanism is threaded components；
By buckle splicing between support frame as described above upper section and support frame as described above lower section, and by the bindiny mechanism by the branch
It is fixed between support upper section and support frame as described above lower section.
8. the multi-vision visual detection structure according to claim 1 for underwater fuel assembly, which is characterized in that the light
The optical glass of light-permeable is provided on the side wall of source seal cavity.
9. the multi-vision visual detection structure according to claim 1 for underwater fuel assembly, which is characterized in that the branch
One is further fixed on support for support frame as described above to be fixed on to the fixed mechanism of fuel storage pool side.
10. the multi-vision visual detection structure according to claim 1 for underwater fuel assembly, which is characterized in that each
It is electrically connected between a electrical module and binocular measurement module and the face LED uniform source of light by cable, and each electrical mould
It is electrically connected between block and the controller also by cable.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113063358A (en) * | 2021-03-23 | 2021-07-02 | 中国核动力研究设计院 | System and method for measuring length of irradiated fuel assembly |
| CN114061473A (en) * | 2021-11-04 | 2022-02-18 | 上海交通大学 | Underwater bending-torsion deformation measurement calibration device and method for fuel assembly |
| CN114440763A (en) * | 2020-11-05 | 2022-05-06 | 国核电站运行服务技术有限公司 | Fuel assembly on-line measuring device and method |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440763A (en) * | 2020-11-05 | 2022-05-06 | 国核电站运行服务技术有限公司 | Fuel assembly on-line measuring device and method |
| CN113063358A (en) * | 2021-03-23 | 2021-07-02 | 中国核动力研究设计院 | System and method for measuring length of irradiated fuel assembly |
| CN114061473A (en) * | 2021-11-04 | 2022-02-18 | 上海交通大学 | Underwater bending-torsion deformation measurement calibration device and method for fuel assembly |
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