CN204948252U - The rotary polarization information acquisition device of probe - Google Patents
The rotary polarization information acquisition device of probe Download PDFInfo
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- CN204948252U CN204948252U CN201520714812.2U CN201520714812U CN204948252U CN 204948252 U CN204948252 U CN 204948252U CN 201520714812 U CN201520714812 U CN 201520714812U CN 204948252 U CN204948252 U CN 204948252U
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Abstract
The utility model discloses the rotary polarization information acquisition device of a kind of probe, comprise polarization image acquisition module, main control module, display terminal and power supply; Described polarization image acquisition module, comprise a camera, be arranged on described camera before polarization rotating lens, obtain the stepping motor that described rotating lens is rotated in place the sender unit of signal and signal receiving device and drives described rotating lens to rotate; Described main control module is connected with described camera, signal receiving device, stepping motor and display terminal respectively; Described power supply is connected with described polarization image acquisition module and main control module respectively.Compared with prior art, the utility model effectively can realize the collection of submarine target polarization information and show with image, and saves processing time and memory space.
Description
Technical field
The utility model relates to technical field of optical instrument, is specifically related to the rotary polarization information acquisition device of a kind of probe towards submarine target.
Background technology
Under water in environment, due to water body to the absorption of light and scattering process larger, light energy decays rapidly in water, under water during the degree of depth of 40 meters, green-yellow light is only had to exist in natural daylight, imaging polarization measuring technique semaphore from three-dimensional, namely light intensity, spectrum and space extend to 7 degree of freedom, i.e. light intensity, spectrum, space, degree of polarization, polarization azimuth and polarization frequency, utilizes polarization imaging technology can obtain the detailed polarization data signal of each polarization parameter gray-scale map and each observation station intuitively under water simultaneously.Therefore, by the undersea detection in future, there is wide application prospect to polarization information collection under water based on polarization imaging equipment.
But under water in scene, when traditional collecting device is applied under water, detailed target information cannot be obtained.In this context, the utility model is for scene application demand under water, propose the rotary polarization information acquisition device of a kind of probe, target polarization image can be obtained fast, easily, and more effective polarization parameter for characterizing target polarization signal and computational methods thereof.
Utility model content
Given this, the utility model is for the above-mentioned or other defect existed in prior art, the rotary polarization information harvester of a kind of probe is proposed, it gathers the polarization image of submarine target, by controlling each module such as rotating lens and camera, can obtain target polarization image fast, easily.
In order to solve the problem, the technical solution adopted in the utility model is: the rotary polarization information acquisition device of a kind of probe, comprises polarization image acquisition module, main control module, display terminal and power supply; Described polarization image acquisition module, comprise a camera, be arranged on described camera before polarization rotating lens, obtain the stepping motor that described rotating lens is rotated in place the sender unit of signal and signal receiving device and drives described rotating lens to rotate; Described main control module is connected with described camera, signal receiving device, stepping motor and display terminal respectively; Described power supply is connected with described polarization image acquisition module and main control module respectively.
As preferably, described rotating lens comprises the polariscope be made up of two polarizers, last polarizer is screwed, a rear polarizer is rotatable polarizer, be in transmission connection with described stepping motor, a described rear polarizer outer ring material is metal material and outer ring is provided with three contacts, and the angle of adjacent two contacts is 120 degree.
As preferably, described sender unit and signal receiving device are connected with metal probe respectively, sender unit connect the metal level that metal probe contacts described rotatable polarizer periphery all the time, described signal receiver connect metal probe and can touch described contact when described rotatable polarizer rotates.
As preferably, described main control module comprises fpga chip, D/A converter and serial line interface; Described fpga chip comprises processor and buffer area, and described processor is provided with acquisition control module, storage control module and display control module; Described polarization image acquisition module is connected with the input port of described fpga chip, and described fpga chip output port is connected with the port of serial line interface with described display terminal through described D/A converter.
Beneficial effect: the utility model exports the rotation of control signal control step motor by main control module and adjusts the polarizer anglec of rotation, sender unit connect the metal level that metal probe contacts rotatable polarizer periphery all the time, when polarizer rotates, when signal receiving device connect metal probe touch polarizer edge contact formed primary Ioops, signal receiving device just receives the signal of telecommunication, and main control module controls collected by camera target polarization image information after receiving the signal of signal receiving device.Compared with prior art, the utility model reasonable in design, effectively can realize the collection of submarine target polarization information and show with image, and save processing time and memory space.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment polarization image acquisition module.
Embodiment
It is as follows that the utility model will be further described by reference to the accompanying drawings:
As shown in Figure 1, disclosed in the utility model embodiment, the rotary polarization information acquisition device of a kind of probe is primarily of polarization image acquisition module, main control module, display terminal, and power supply forms.Wherein polarization image acquisition module comprises rotating lens, signal transmission/reception, stepping motor and single CMOS camera.Main control module comprises fpga chip, D/A converter, the RS232 serial line interface of embedded NiosII processor.Wherein embedded NiosII processor comprises acquisition control module, storage control module, display control module, and completes the sequencing control function to modules.
Camera completes the information gathering to target image under the control of I2C bus and trigger impulse, and the image of shooting is stored in the buffer area of FPGA.Each module described in each control module control of the NiosII processor that FPAG is embedded, acquisition control module obtains target polarization information, be stored in the view data buffer area of FPGA, FPGA output port connects D/A converter, then be connected with DB9 connectivity port by RS232 serial line interface, connect PC, PC carries out the process of image, display.Supply module is connected with each module, powers to each module.
As shown in Figure 2, rotating lens combines into linkage with signal transmission/reception, wherein, rotating lens comprises the polariscope of two polarizer compositions, last polarizer 1 is fixed on protective cover with four screws up and down, two polarizer outer ring materials be metal material and a rear polarizer 2 with gear, when formation corresponding 0 degree, 60 degree, 120 degree of polarizations, a rear polarizer 2 outer ring corresponding positions is equipped with a contact 3, contact 3 is metal, made of soft, when after stepping motor drives, a polarizer 2 rotates, contact 3 can not hinder it to rotate.
Sender unit connect metal probe 4 and contact the peripheral metal level of rotatable polarizer (a rear polarizer 2) all the time, when signal receiving device connect metal probe 5 touch rotatable polarizer edge contact formed primary Ioops, signal receiving device receives the signal of telecommunication, send to FPGA pulse signal, after receiving pulse signal, FPGA, to camera pulse signal, triggers CMOS camera and obtains target information.Be respectively 0 degree of polarizer, 60 degree of polarizers before camera lens during triggering CMOS camera, 120 degree of polarizers, accurately can control polarization angle, the image needed for acquisition.
In fpga chip embedded processor, functional module comprises acquisition control module, storage control module and display control module.Describe the function of each module below in detail:
Acquisition control module completes the control to polarization image acquisition module, gathering control maintenance high level after system energization makes stepping motor drive rotation of lens, when receiving the pulse signal of linkage, call interrupt routine, produce pulse enable signal CMOS camera simultaneously and carry out IMAQ, the transmission of the complete paired data of I2C bus and control signal.
Storage control module completes storage and the read functions of acquisition module view data.When polarization image acquisition module terminates IMAQ, acquisition control module sends pulse signal to storage control module, is stored into by the image collected in the view data buffer area in FPGA.After the storage of view data terminates, storage control module sends pulse to display control module, the reading of image in carries out image data buffer area.
After display control module receives the pulse signal of storage control module, by the image transmitting in buffer memory to D/A converter, be then connected to PC by RS232 serial line interface and carry out processing, showing.
In the present embodiment, FPGA can select the EP3C40F484C7 model chip of Cyclone II series, and the embedded NiosII processor of chip, CMOS select MT9V034 model transducer, D/A converter selects TLV1572 model chip, RS232 serial line interface selects MAX232 model.CMOS and FPGA is connected, and the output port of FPGA is connected with D/A converter, and RS232 serial line interface is connected with the DB9 port of PC, completes polarization information collection under water, transmission.The implementation method under water of the utility model embodiment is specific as follows:
1) camera, rotating lens in adjusting device, makes probe be placed between 0 degree of polarization and the contact of 120 degree of polarizations, presses mains switch, makes stepping motor and fpga chip be init state.To the device in bucker be sealed in again, be placed in the waters of illumination abundance, camera lens will be aimed at selected target, to gather the polarization information needed for target.
2) the NiosII processor acquisition control module that FPGA is embedded sends pulse signal and triggers stepping motor rotation, sender unit connect the metal level that probe contacts rotatable polarizer periphery all the time, when signal receiving device connect probe touch polarizer edge contact formed primary Ioops, the receiving terminal of described signal receiving device receives the signal of telecommunication, the embedded NiosII processor acquisition control module of FPGA receives the pulse signal of linkage, stepping motor is had no progeny and is stopped operating in processor acquisition control module is called, send pulse triggering signal simultaneously, trigger CMOS camera and carry out IMAQ, obtain 0 degree of polarization image of scene.
3) after interrupt routine calls end, return main program, repeat 60 degree of polarization photos that step (2) obtains target.
4) after interrupt routine calls end, return main program, repeat 120 degree of polarization photos that step (2) obtains target.
5) during acquisition module end-of-job, acquisition control module sends a signal to storage control module, and the view data of collection is stored in the view data buffer area of FPGA through I2C bus by storage control module.
6), after the storage of view data terminates, storage control module sends pulse to display control module, image in reads image data buffer area.
7) display control module receives storage control module feedback signal by the image data transmission in view data buffer area to D/A converter, is then connected to PC by RS232 interface and carries out processing, showing.
Below execution mode of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present utility model; can carry out multiple equivalents to the technical solution of the utility model, these equivalents all belong to protection range of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
Claims (4)
1. the rotary polarization information acquisition device of probe, is characterized in that, comprise polarization image acquisition module, main control module, display terminal and power supply;
Described polarization image acquisition module, comprise a camera, be arranged on described camera before polarization rotating lens, obtain the stepping motor that described rotating lens is rotated in place the sender unit of signal and signal receiving device and drives described rotating lens to rotate; Described main control module is connected with described camera, signal receiving device, stepping motor and display terminal respectively; Described power supply is connected with described polarization image acquisition module and main control module respectively.
2. the rotary polarization information acquisition device of probe according to claim 1, it is characterized in that: described rotating lens comprises the polariscope be made up of two polarizers, last polarizer is screwed, a rear polarizer is rotatable polarizer, be in transmission connection with described stepping motor, a described rear polarizer outer ring material is metal material and outer ring is provided with three contacts, and the angle of adjacent two contacts is 120 degree.
3. the rotary polarization information acquisition device of probe according to claim 2, it is characterized in that: described sender unit and signal receiving device are connected with metal probe respectively, sender unit connect the metal level that metal probe contacts described rotatable polarizer periphery all the time, described signal receiver connect metal probe and can touch described contact when described rotatable polarizer rotates.
4. the rotary polarization information acquisition device of probe according to claim 1, is characterized in that: described main control module comprises fpga chip, D/A converter and serial line interface; Described fpga chip comprises processor and buffer area, and described processor is provided with acquisition control module, storage control module and display control module; Described polarization image acquisition module is connected with the input port of described fpga chip, and described fpga chip output port is connected with the port of serial line interface with described display terminal through described D/A converter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520714812.2U CN204948252U (en) | 2015-09-15 | 2015-09-15 | The rotary polarization information acquisition device of probe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520714812.2U CN204948252U (en) | 2015-09-15 | 2015-09-15 | The rotary polarization information acquisition device of probe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504956A (en) * | 2017-07-10 | 2017-12-22 | 河海大学 | The collection of adaptive polarization information and computational methods and device for target detection |
| CN109905585A (en) * | 2019-04-02 | 2019-06-18 | 浙江大学 | A kind of rotary-type underwater polarization camera |
| CN111131724A (en) * | 2019-12-31 | 2020-05-08 | 浙江大华技术股份有限公司 | Vehicle window colorful pattern eliminating system, method and device, controller and storage medium |
| CN112492199A (en) * | 2020-11-24 | 2021-03-12 | 维沃移动通信有限公司 | Photographing method and device and electronic equipment |
-
2015
- 2015-09-15 CN CN201520714812.2U patent/CN204948252U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504956A (en) * | 2017-07-10 | 2017-12-22 | 河海大学 | The collection of adaptive polarization information and computational methods and device for target detection |
| CN107504956B (en) * | 2017-07-10 | 2019-06-21 | 河海大学 | The acquisition of adaptive polarization information and calculation method and device for target detection |
| CN109905585A (en) * | 2019-04-02 | 2019-06-18 | 浙江大学 | A kind of rotary-type underwater polarization camera |
| CN111131724A (en) * | 2019-12-31 | 2020-05-08 | 浙江大华技术股份有限公司 | Vehicle window colorful pattern eliminating system, method and device, controller and storage medium |
| CN111131724B (en) * | 2019-12-31 | 2022-02-18 | 浙江大华技术股份有限公司 | Vehicle window colorful pattern eliminating system, method and device, controller and storage medium |
| CN112492199A (en) * | 2020-11-24 | 2021-03-12 | 维沃移动通信有限公司 | Photographing method and device and electronic equipment |
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Granted publication date: 20160106 Termination date: 20180915 |
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| CF01 | Termination of patent right due to non-payment of annual fee |