CN203375949U - High temperature adaptability infrared observation system optical axis parallelism and MRTD outdoor detection device - Google Patents
High temperature adaptability infrared observation system optical axis parallelism and MRTD outdoor detection device Download PDFInfo
- Publication number
- CN203375949U CN203375949U CN201320439937.XU CN201320439937U CN203375949U CN 203375949 U CN203375949 U CN 203375949U CN 201320439937 U CN201320439937 U CN 201320439937U CN 203375949 U CN203375949 U CN 203375949U
- Authority
- CN
- China
- Prior art keywords
- mrtd
- infrared
- optical axis
- light source
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Radiation Pyrometers (AREA)
Abstract
The utility model relates to a high temperature adaptability infrared observation system optical axis parallelism and MRTD outdoor detection device comprising a temperature control light source, a cross reticle, an infrared optical collimation system, an image acquisition system, and a computer control processing system. The cross reticle is disposed between the temperature control light source and the infrared optical collimation system, and the infrared optical collimation system can be used to generate an infinity object in a simulated manner. The image acquisition system is used to acquire images of an observation window, and can be used to output the acquired image information to the computer control processing system. The computer control processing system can be used to control the temperature difference required by the MRTD detection generated by the temperature control light source, control the image acquisition, process the input image information, and acquire the optical axis parallelism and the MRTD parameter values of the detected infrared observation system. The high temperature adaptability infrared observation system is advantageous in that the operation process of the outdoor online detection can be simplified, and the working requirement of the online detection of the devices under the complicated outdoor environment can be satisfied.
Description
Technical field
The utility model relates to a kind of optical performance detecting device, and systematic optical axis collimation and MRTD field detector are taken aim in the specifically infrared sight of a kind of high temperature adaptive.
Background technology
Along with the development of infrared technique, but infrared sight is taken aim at system and is being brought into play more and more important effect with advantages such as the strong work double tides of its good concealment, antijamming capability in various fields such as military affairs, security protections.
Infrared sight takes aim at that system is many to be taken aim at system with the visible ray sight and be used in conjunction with.Collimation between its optical axis has directly determined that the sight of whole system takes aim at and control accuracy, the minimum resolvable temperature difference of infrared system (MRTD) has determined that infrared sight takes aim at the detection range of system, and online detection the in field of therefore infrared sight being taken aim to systematic optical axis collimation and MRTD has very important significance.At present, the collimation between infrared optical axis and visible ray optical axis is detected to the non co axial systems that adopt more, adopt the method for resistive heater to generate the infra-red heat target, this structure easily makes the optical axis imbalance under high and low temperature environment in the wild, makes accuracy of detection be difficult to guarantee; And MRTD utilizes black matrix to carry out indoor detection more, system is more complicated, is difficult to meet the online need of work detected in field.
Summary of the invention
The purpose of this utility model just is to provide the infrared sight of a kind of high temperature adaptive and takes aim at systematic optical axis collimation and MRTD field detector, to solve existing testing equipment complicated operation, can not meet the online problem detected under the complex environment of field.
The utility model is achieved in that the infrared sight of a kind of high temperature adaptive takes aim at systematic optical axis collimation and MRTD field detector, includes temperature controlled light source, cross-graduation plate, infrared optics colimated light system, image capturing system and computer control disposal system; Described cross-graduation plate is arranged between described temperature controlled light source and described infrared optics colimated light system; The infrared optics colimated light system generates the infinity target for simulating; Described image capturing system sees for gathering the image of taking aim at window, and the image information collected to described computer control disposal system output; Described computer control disposal system produces MRTD and detects the required temperature difference for controlling described temperature controlled light source, and the collection of control chart picture, and the image information of input is processed show that tested infrared sight takes aim at plain shaft parallelism and the MRTD parameter value of system.
Described temperature controlled light source comprises bromine tungsten filament lamp, collimation lens, stabilized current supply and temperature-control circuit; Described bromine tungsten filament lamp and described collimation lens are coupled, in order to produce the heat radiation of stable and uniform; Described temperature-control circuit and described computer control disposal system are joined, and to produce MRTD, detect the required temperature difference.
Be carved with cross division line at described cross-graduation Ban center, be carved with respectively one group of four bar target pattern in the zone of formed four quadrants of cross division line, the spatial frequency of described four group of four bar target pattern is respectively 1 lp/mr, 4 lp/mr, 10 lp/mr, 20 lp/mr.
The utility model designed a kind of based on full spectrum the cross-graduation plate of transparent ZnS material, can take aim at system for visible ray and infrared sight simultaneously, thereby improved in existing optical axis detecting instrument and gone to simulate infrared graduation by non co axial electric-heating-wire-heating cross drone, thereby reduced the impact of optical axis imbalance on the optical axis accuracy of detection; Hard steel material and devitrified glass that the infrared optics colimated light system is extremely low by thermal expansivity are made, further guaranteed the accuracy of detection of system in-40 ℃ ~ 50 ℃ range of temperature, add respectively the four bar targets of having carved four groups of different frequencies in four quadrants of cross-graduation plate, the MRTD that makes it simultaneously can be used for thermal infrared imager detects, realized " target is multiplex ", reduced cost; Adopt DC power supply with high stability current accurately to control the heat radiation of bromine tungsten filament lamp, cooperation is with consistance temperature sensor preferably, realized the function of black matrix under the prerequisite that guarantees precision, simplified system architecture, reduce the impact of temperature variation on plain shaft parallelism and MRTD accuracy of detection under the field environment, improved the online detectability in field that system is taken aim in infrared sight.
Take aim at system for the tested infrared sight that video output interface is arranged, infrared and visible ray is seen the image of taking aim at window can directly send the video frequency collection card in the computer control disposal system to, to carry out processing infrared and white light plain shaft parallelism parameter and infrared thermal imaging system MRTD parameter.
The utility model has improved existing pick-up unit complicated operation, environmental requirement is high and can not meet the present situation of field on-line quick detection needs, it is simple in structure, lightweight, volume is little, simple to operate, greatly simplify the online operating process detected in field, can meet the online work requirements detected of equipment under complicated field environment.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of cross-graduation plate.
In figure: 1, stabilized current supply, 2, bromine tungsten filament lamp, 3, collimation lens, 4, the cross-graduation plate, 5, infrared optics colimated light system, 6, visible ray to be measured sees the system of taking aim at, 7, infrared sight to be measured takes aim at system, 8, image capturing system, 9, temperature-control circuit, 10, the computer control disposal system.
Embodiment
As shown in Figure 1, the utility model includes the parts such as temperature controlled light source, cross-graduation plate 4, infrared optics colimated light system 5, image capturing system 8 and computer control disposal system 10.
Described temperature controlled light source comprises the parts such as bromine tungsten filament lamp 2, collimation lens 3, stabilized current supply 1 and temperature-control circuit 9.Bromine tungsten filament lamp 2 is coupled with collimation lens 3, in order to produce the heat radiation of stable and uniform.The first via of temperature-control circuit 9 and computer control disposal system 10 are joined, the second tunnel and stabilized current supply 1 join, Third Road jointing temp sensor, temperature sensor is arranged on bromine tungsten filament lamp 2 and cross-graduation plate 4, for detection of the temperature of bromine tungsten filament lamp 2 and cross-graduation plate 4.Temperature-control circuit 9 is subject to the control of computer control disposal system 10, makes bromine tungsten filament lamp 2 and cross-graduation plate 4 produce MRTD and detects the required temperature difference.
Cross-graduation plate 4 is arranged between temperature controlled light source and infrared optics colimated light system 5.In Fig. 2, at the center of cross-graduation plate 4, be carved with cross division line, be carved with respectively one group of four bar target pattern in the zone of formed four quadrants, the spatial frequency of four group of four bar target pattern is respectively 1 lp/mr, 4 lp/mr, 10 lp/mr, 20 lp/mr; Non-groove on cross-graduation plate 4 partly adopts chromium plating to process.
Infrared optics colimated light system 5 adopts the coaxial Zigzag type Cassegrain parallel light tube of no color differnece, its object lens and cross-graduation plate 4 are coupled, its eyepiece is taken aim at system 7 and visible ray to be measured with infrared sight to be measured respectively and is seen the object lens of taking aim at system 6 and be coupled, for simulating the target that generates infinity, and the system that can guarantee optical axis in the range of temperature of-40 ℃ ~ 50 ℃ is not lacked of proper care.
Image capturing system 8 can adopt CCD, CCD has single frames and Real-time Collection function, and be coupled (if tested instrument has video output interface with visible ray and infrared visual window, can directly its data be sent to computing machine), be sent in real time computer control disposal system 10 with the data by collecting and processed.
Be provided with image pick-up card in computer control disposal system 10, in order to gather the image of image capturing system 8 outputs.The collection of computer control disposal system 10 control chart pictures, and the image information of input is processed, finally show that tested infrared sight takes aim at plain shaft parallelism and the MRTD parameter value of system.
Workflow of the present utility model is: set initial temperature difference by computer control disposal system 10, by temperature-control circuit 9, control the supply current that stabilized current supply 1 changes bromine tungsten filament lamp 2; The radiant light of bromine tungsten filament lamp 2 through collimation lens 3 uniform irradiations on cross-graduation plate 4, thereby form infrared sight take aim at system and visible ray see the system of taking aim at all observable sight take aim at target.Cross-graduation plate 4 is placed in the object focal point of infrared optics colimated light system 5, thereby simulation generates the target of infinity.The eyepiece of infrared optics colimated light system 5 is taken aim at system 7 and visible ray to be measured with infrared sight to be measured respectively and is seen the object lens of taking aim at system 6 and be coupled, and gather and see the image of taking aim at window by image capturing system 8, completed the processing of data by computer control disposal system 10, thereby obtain the testing result that plain shaft parallelism and the MRTD parameter value of system are taken aim in tested infrared sight.
After bromine tungsten filament lamp 2 irradiates, the cross-graduation on cross-graduation plate 4 and four bar target regions form infrared sight and take aim at system and see and take aim at all visible targets of system with visible ray, and the radiation partly of the chromium plating on cross-graduation plate 4 is reflected and forms background.The effect of collimation lens 3 is that the radiant light of bromine tungsten filament lamp 2 is collimated, and forms uniform light beam, thereby the radiation that arrives cross-graduation plate 4 is uniformly distributed, with the precision that guarantees that the temperature difference is controlled.
Claims (3)
1. systematic optical axis collimation and MRTD field detector are taken aim in the infrared sight of high temperature adaptive, it is characterized in that, include temperature controlled light source, cross-graduation plate, infrared optics colimated light system, image capturing system and computer control disposal system; Described cross-graduation plate is arranged between described temperature controlled light source and described infrared optics colimated light system; The infrared optics colimated light system generates the infinity target for simulating; Described image capturing system sees for gathering the image of taking aim at window, and the image information collected to described computer control disposal system output; Described computer control disposal system produces MRTD and detects the required temperature difference for controlling described temperature controlled light source, and the collection of control chart picture, and the image information of input is processed show that tested infrared sight takes aim at plain shaft parallelism and the MRTD parameter value of system.
2. systematic optical axis collimation and MRTD field detector are taken aim in the infrared sight of high temperature adaptive according to claim 1, it is characterized in that, described temperature controlled light source comprises bromine tungsten filament lamp, collimation lens, stabilized current supply and temperature-control circuit; Described bromine tungsten filament lamp and described collimation lens are coupled, in order to produce the heat radiation of stable and uniform; Described temperature-control circuit and described computer control disposal system are joined, and to produce MRTD, detect the required temperature difference.
3. systematic optical axis collimation and MRTD field detector instrument are taken aim in the infrared sight of high temperature adaptive according to claim 1, it is characterized in that, be carved with cross division line at described cross-graduation Ban center, be carved with respectively one group of four bar target pattern in the zone of formed four quadrants of cross division line, the spatial frequency of described four group of four bar target pattern is respectively 1 lp/mr, 4 lp/mr, 10 lp/mr, 20 lp/mr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439937.XU CN203375949U (en) | 2013-07-23 | 2013-07-23 | High temperature adaptability infrared observation system optical axis parallelism and MRTD outdoor detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439937.XU CN203375949U (en) | 2013-07-23 | 2013-07-23 | High temperature adaptability infrared observation system optical axis parallelism and MRTD outdoor detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375949U true CN203375949U (en) | 2014-01-01 |
Family
ID=49838474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320439937.XU Expired - Fee Related CN203375949U (en) | 2013-07-23 | 2013-07-23 | High temperature adaptability infrared observation system optical axis parallelism and MRTD outdoor detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203375949U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334027A (en) * | 2015-11-23 | 2016-02-17 | 中国人民解放军总装备部军械技术研究所 | High-precision multispectral integrated target for LED illumination and matched optical detecting method |
| CN105823444A (en) * | 2016-05-09 | 2016-08-03 | 中国人民解放军63908部队 | Optical device for testing multi-optical-axis parallelism of airborne photoelectric reconnaissance equipment |
| CN107421717A (en) * | 2017-07-03 | 2017-12-01 | 中国电力科学研究院 | A kind of infrared thermoviewer minimum detectable temperature difference automatic test approach and device |
| CN107860340A (en) * | 2015-10-20 | 2018-03-30 | 清华大学 | Pitch ear auricle assembly pin-and-hole method for measuring coaxiality |
| CN108318141A (en) * | 2018-04-20 | 2018-07-24 | 深圳市道通科技股份有限公司 | Temprature control method, night vision system calibration facility and the system of heat generating member |
| CN110095192A (en) * | 2019-04-26 | 2019-08-06 | 南京理工大学 | A kind of thermal infrared imager comprehensive performance parameter test macro and its method |
| CN111536907A (en) * | 2020-04-15 | 2020-08-14 | 北京仿真中心 | Laser/infrared composite simulator coaxiality calibration device and operation method thereof |
| CN112857581A (en) * | 2021-01-12 | 2021-05-28 | 湖北华中光电科技有限公司 | Simple thermal infrared imager zero position measuring device and using method thereof |
-
2013
- 2013-07-23 CN CN201320439937.XU patent/CN203375949U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860340A (en) * | 2015-10-20 | 2018-03-30 | 清华大学 | Pitch ear auricle assembly pin-and-hole method for measuring coaxiality |
| CN105334027A (en) * | 2015-11-23 | 2016-02-17 | 中国人民解放军总装备部军械技术研究所 | High-precision multispectral integrated target for LED illumination and matched optical detecting method |
| CN105334027B (en) * | 2015-11-23 | 2018-04-06 | 中国人民解放军总装备部军械技术研究所 | The multispectral integrated target of high accuracy of LED illumination and supporting optical detecting method |
| CN105823444A (en) * | 2016-05-09 | 2016-08-03 | 中国人民解放军63908部队 | Optical device for testing multi-optical-axis parallelism of airborne photoelectric reconnaissance equipment |
| CN107421717A (en) * | 2017-07-03 | 2017-12-01 | 中国电力科学研究院 | A kind of infrared thermoviewer minimum detectable temperature difference automatic test approach and device |
| CN108318141A (en) * | 2018-04-20 | 2018-07-24 | 深圳市道通科技股份有限公司 | Temprature control method, night vision system calibration facility and the system of heat generating member |
| CN108318141B (en) * | 2018-04-20 | 2024-04-19 | 深圳市道通科技股份有限公司 | Temperature control method of heating element, night vision system calibration equipment and system |
| CN110095192A (en) * | 2019-04-26 | 2019-08-06 | 南京理工大学 | A kind of thermal infrared imager comprehensive performance parameter test macro and its method |
| CN111536907A (en) * | 2020-04-15 | 2020-08-14 | 北京仿真中心 | Laser/infrared composite simulator coaxiality calibration device and operation method thereof |
| CN111536907B (en) * | 2020-04-15 | 2021-12-07 | 北京仿真中心 | Laser/infrared composite simulator coaxiality calibration device and operation method thereof |
| CN112857581A (en) * | 2021-01-12 | 2021-05-28 | 湖北华中光电科技有限公司 | Simple thermal infrared imager zero position measuring device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203375949U (en) | High temperature adaptability infrared observation system optical axis parallelism and MRTD outdoor detection device | |
| CN103353285B (en) | The multi-light axis consistency pick-up unit of platform photoelectric instrument and detection method thereof | |
| CN107401977B (en) | The imaging compensating method of refraction deviation is considered in the measurement of high temperature binocular stereo vision | |
| CN109632104A (en) | A kind of infrared array radiation source calibrating installation and calibration method | |
| CN101231343B (en) | Apparatus for measuring parallelism of laser rangefinder sighting and receiving axes based on liquid crystal modulation | |
| CN105026886B (en) | Tracker unit and method in a tracker unit | |
| CN103954366B (en) | Huge surface source black body calibration system used under vacuum cold condition | |
| CN114323571B (en) | Multi-optical-axis consistency detection method for photoelectric aiming system | |
| CN104567738A (en) | System and method for precisely measuring optical axis parallelism | |
| CN105928627B (en) | A kind of heteropical method of elimination refrigeration mode thermal imaging system picture reproduction | |
| CN106226759B (en) | A kind of tracking Stabilily parameter device and method | |
| CN101718620A (en) | Method and device for measuring multispectral dynamic modulation transfer function | |
| CN203038129U (en) | Photoelectric tracking system dynamic tracking precision calibrating device | |
| CN101476844A (en) | Calibration method and standard target plate for carrier optoelectronic series on-site dynamic self-calibration | |
| CN103471820A (en) | Real-time revising tester for portable multi-spectral optoelectronic device | |
| CN1357113A (en) | Device and method for infrared image analyzing autofocus | |
| Chu et al. | Research on target deviation measurement of projectile based on shadow imaging method in laser screen velocity measuring system | |
| CN105489262A (en) | Universal point light source simulation system | |
| CN101581556B (en) | Null moving digital measuring device and method of aiming device based on target plate with composite image | |
| CN204330281U (en) | The diagnostic device of high temperature compressible flow field | |
| CN104280120B (en) | A kind of spectral bandwidth measuring method and device | |
| Dong et al. | Measuring principle of vertical target density based on single linear array CCD camera | |
| CN108163223B (en) | Portable aircraft infrared stealth performance evaluation device and method | |
| CN106405671B (en) | A kind of infrared fusion visual detection method | |
| CN110806572B (en) | Device and method for testing distortion of long-focus laser three-dimensional imager based on angle measurement method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |