CN206095572U - Vertical pneumatic optic effect analogue means - Google Patents
Vertical pneumatic optic effect analogue means Download PDFInfo
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- CN206095572U CN206095572U CN201621102745.XU CN201621102745U CN206095572U CN 206095572 U CN206095572 U CN 206095572U CN 201621102745 U CN201621102745 U CN 201621102745U CN 206095572 U CN206095572 U CN 206095572U
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- optical effect
- opening
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- vertical pneumatic
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Abstract
The utility model provides a vertical pneumatic optic effect analogue means belongs to pneumatic optics technical field, this pneumatics optic effect analogue means includes the ascending black matrix of opening, and the setting jar body that open side down above the black matrix is connected through extending structure between the opening of black matrix and the opening that the jar was personally experienced sth. Part of the body, and extending structure inside is provided with iris light ring structure, extending structure includes the flexible pipe of inlayer from inside to outside in proper order, and heat preservation and outer flexible pipe, the flexible pipe of inlayer contract the flexible nest of tubes at end both ends non - god and become with connecting including the non -stretching end that sets up in the centre, contract to serve non - god and install iris light ring structure, iris light ring structure includes the annular ring, and the arc metal blade of the rotation of axes is revoluted in evenly distributed's pivot on the annular ring, the pivot is the same with arc metal blade's quantity, is six at least, the utility model discloses pneumatic optic effect analogue means utilizes the characteristic of the strong convection current of cold and hot gas formation, directly generates the air current of the pneumatic optic effect of production, realizes the purpose of pneumatic optic effect direct modeling.
Description
Technical field
A kind of vertical pneumatic optical effect analog belongs to Pneumatic optical technical field.
Background technology
Aircraft is imitated due to its optical dome and from actual gas is produced between origin stream in atmosphere high speed flight
Should, SHOCK WAVE INDUCED boundary layer separation, interfering without viscosity flow and boundary region, so as to produce change because of current density, temperature
The complex flowfield that change, constituent change and gas molecule ionization etc. causes, this causes heat, heat to infrared imaging detection system
Radiation and image transmitting interference, cause target offset, shake, obscure, and this effect is referred to as aero-optical effect.
Aero-optical effect brings adverse effect to infrared image terminal guidance, make target seeker to the detection of target, tracking with
Identification ability declines, and then affects terminal guidance precision.As flow field density changes, the original of the light propagated wherein is changed
Path, produces deviation and phase place change, causes the skew that image is caused on imaging plane, obscures, and shakes and energy loss.Such as
Fruit can explore Pneumatic optical degeneration mechanism, it becomes possible to correct Pneumatic optical degeneration image, reduce aberration, improve optical imagery matter
Amount.It can be seen that, it is the committed step for improving picture quality to explore Pneumatic optical degeneration mechanism.
Pneumatic optical degeneration mechanism is explored, needs to simulate aero-optical effect.At present, many aero-optical effect simulation dresses
It is all optical analog device to put, for example the patent of invention of Application No. 201410456264.8《Pneumatic light based on distorted image
Learn effect analog device》, and algorithm simulation, such as patent of invention of Application No. 201310193486.0《A kind of simulation is pneumatic
The method and system of optical effect》, these analog or method all do not directly generate the air-flow for producing aero-optical effect,
Indirect analog is consequently belonging to, and is not belonging to directly simulation, therefore the actual aero-optical effect of distance is also had any different.
The content of the invention
In order to solve the above problems, the invention discloses a kind of aero-optical effect analog, analog utilization
Cold and hot gas forms the characteristic of strong convection, directly generates the air-flow for producing aero-optical effect, realizes that aero-optical effect is straight
Connect the purpose of simulation.
The object of the present invention is achieved like this：
A kind of vertical pneumatic optical effect analog, including the black matrix of opening upwards, be arranged on black matrix upper opening to
Under tank body, connected by stretching structure between the opening of the opening and tank body of black matrix, the stretching structure is internally provided with rainbow
Film iris diaphragm structure；
Described black matrix includes ceramic layer, intermediate layer, cooling layer and shell from inside to outside successively；Set in the middle of the intermediate layer
Resistance wire is equipped with, inwall is provided with temperature sensor, the cooling layer water-filling；
Opening is provided with the top of the tank body, lid on opening, is provided with；
The stretching structure includes internal layer telescoping tube, heat-insulation layer and outer layer telescoping tube from inside to outside successively, and the internal layer is stretched
The draw includes the non-telescoping end for being arranged on centre and is connected to the telescoping tube composition at non-god contracting end two ends, installs on non-god's contracting end
Iris structure；
The iris structure includes annular ring, on the annular rings equally distributed rotating shaft, the arc for rotating around the shaft
Metal blade, the rotating shaft are identical with the quantity of curved metal blade, at least six.
Above-mentioned vertical pneumatic optical effect analog, also including water tank and water pump, at the top of the cooling layer and bottom is each
There is one outlet, the water in water tank is pumped into cooling layer outlet at bottom by water pump, and water is from cooling layer top exit reflow tank.
Above-mentioned vertical pneumatic optical effect analog, the lid is stove circle structure, including multiple diameters are different, phase successively
Set, the annular ring that section is hierarchic structure.
Above-mentioned vertical pneumatic optical effect analog, the tank body are stretching structure.
Above vertical pneumatic optical effect analog, also including optical imaging system, the optical imaging system includes
Light source, pin hole, collimating lens, grating, object lens and imageing sensor；The light beam that light source sends, forms point source through pin hole, then
Collimated light beam is formed after collimating lens collimation, grating is illuminated, the grating is separately positioned on object lens with imageing sensor
Object space and image space；Wherein, light source, pin hole, collimating lens and grating are arranged on inside black matrix, and imageing sensor is arranged in tank body
Portion, object lens are arranged on inside black matrix or tank interior.
The grating can be rotated by 90 ° in its place plane.
Beneficial effect：
Firstth, due to arranging by the way of black matrix is relative with tank body opening, therefore, it is possible to be formed by force using cold and hot gas
The characteristic of strong convection current, directly generates the air-flow for producing aero-optical effect, realizes the purpose that aero-optical effect is directly simulated；
Secondth, due to connecting by stretching structure between the opening of the opening and tank body of black matrix, adjust the length of stretching structure
Degree, the convection current that can change cold and hot gas are strong, and then change gas turbulence parameter, therefore, it is possible to change aero-optical effect mould
Intend effect, and then increase the simulation context of aero-optical effect analog of the present invention；
3rd, due to being provided with iris structure, by rotating curved metal blade, change air-flow hole size, enter
And the convection current of cold and hot gas can be changed strongly, that is, change gas turbulence parameter, therefore, it is possible to change aero-optical effect simulation
Effect, and then increase the simulation context of aero-optical effect analog of the present invention.
Description of the drawings
Fig. 1 is the structural representation of vertical pneumatic optical effect analog of the present invention.
Fig. 2 is the structural representation of black matrix.
Fig. 3 is the structural representation of stretching structure.
Fig. 4 is the structural representation of iris structure.
Fig. 5 is the structural representation of black matrix in specific embodiment two.
Fig. 6 is the structural representation of lid.
Fig. 7 is the structural representation of optical imaging system in vertical pneumatic optical effect analog of the present invention.
In figure：1 black matrix, 11 ceramic layers, 12 intermediate layers, 13 cooling layers, 14 shells, 2 tank bodies, 3 stretching structures, 31 internal layers are stretched
The draw, 32 heat-insulation layers, 33 outer layer telescoping tubes, 4 iris structures, 41 annular rings, 42 rotating shafts, 43 curved metal blades, 5 lid, 6
Water tank, 7 water pumps, 8 optical imaging systems, 81 light sources, 82 pin holes, 83 collimating lens, 84 gratings, 85 object lens, 86 imageing sensors.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the invention is described in further detail.
Specific embodiment one
The vertical pneumatic optical effect analog of the present embodiment, structural representation are as shown in Figure 1.The vertical pneumatic optics
Effect analog device includes the black matrix 1 of opening upwards, is arranged on the downward tank body 2 of 1 upper opening of black matrix, the opening of black matrix 1 with
Connected by stretching structure 3 between the opening of tank body 2, the stretching structure 3 is internally provided with iris structure 4；
Described black matrix 1 includes ceramic layer 11, intermediate layer 12, cooling layer 13 and shell 14 from inside to outside successively；In described
12 middle setting of interbed has resistance wire, and inwall is provided with temperature sensor, 13 water-filling of the cooling layer；The structural representation of black matrix 1
Figure is as shown in Figure 2；
Opening is provided with the top of the tank body 2, lid 5 on opening, is provided with；
The stretching structure 3 includes internal layer telescoping tube 31, heat-insulation layer 32 and outer layer telescoping tube 33 from inside to outside successively, described
Internal layer telescoping tube 31 includes the non-telescoping end for being arranged on centre and is connected to the telescoping tube composition at non-god contracting end two ends, in non-god's contracting
Iris structure 4 is installed on end；The structural representation of stretching structure 3 is as shown in Figure 3；
The iris structure 4 includes annular ring 41, the equally distributed rotating shaft 42 on annular ring 41, around the shaft 42 rotation
The curved metal blade 43 for turning, the rotating shaft 42 are identical with the quantity of curved metal blade 43, at least six；Iris are tied
The structural representation of structure 4 is as shown in Figure 4.
Specific embodiment two
The vertical pneumatic optical effect analog of the present embodiment, on the basis of specific embodiment one, further limits
Also include water tank 6 and water pump 7, one outlet is respectively arranged at the top of the cooling layer 13 and bottom, and the water in water tank 6 is pumped into by water pump 7
13 outlet at bottom of cooling layer, water from 13 top exit reflow tank of cooling layer, as shown in Figure 5.
This structure design, using the slow heat conductivity of water, had both realized the insulation to ceramic layer 11 and intermediate layer 12, it is ensured that
The stability of the simulated aero-optical effect of aero-optical effect analog, realizes the cooling to shell 14 again, it is ensured that real
Test safety.
Specific embodiment three
The vertical pneumatic optical effect analog of the present embodiment, on the basis of specific embodiment one, further limits
The lid 5 is stove circle structure, including multiple diameters it is different, be nested successively, section for hierarchic structure annular ring, as shown in fig. 6,
Fig. 6 show three annular rings it is superimposed and superposition after stove circle structure schematic diagram.
This structure design, can pass through to adjust the quantity of annular ring, realize the openings of sizes of adjustment lid 5, and then not
On the premise of changing other structures, parameter and technical specification, change aero-optical effect simulation effect, and then increase gas of the present invention
The simulation context of dynamic optical effect analog.
Specific embodiment four
The vertical pneumatic optical effect analog of the present embodiment, on the basis of specific embodiment one, further limits
The tank body 2 is stretching structure.
This structure design, can pass through to adjust the length of tank body 2, and realization is not changing other structures, parameter and technology
On the premise of index, change aero-optical effect simulation effect, and then increase the mould of aero-optical effect analog of the present invention
Intend scope.
In specific embodiment three and specific embodiment four, by change lid 5 openings of sizes or change tank body 2 length come
Change aero-optical effect simulation effect, and then the simulation context of increase aero-optical effect analog of the present invention, be to adopt
Air-flow carries out aero-optical effect and directly simulates the characteristic just having, and the characteristic is not only illustrated in the prior art, and
Also beyond the cognition of those skilled in the art.
Specific embodiment five
Above vertical pneumatic optical effect analog, also including optical imaging system 8, the optical imaging system is as schemed
Shown in 7, including light source 81, pin hole 82, collimating lens 83, grating 84, object lens 85 and imageing sensor 86；The light that light source 81 sends
Beam, forms point source through pin hole 82, then forms collimated light beam after collimating lens 83 are collimated, illuminate grating 84, the light
Grid 84 are separately positioned on the object space and image space of object lens 85 with imageing sensor 86；Wherein, light source 81, pin hole 82, collimating lens 83
It is arranged on inside black matrix 1 with grating 84, imageing sensor 86 is arranged on inside tank body 2, object lens 85 are arranged on inside black matrix 1 or tank
Inside body 2, in the present embodiment, object lens 85 are arranged on inside black matrix 1.
This structure design, can be monitored to Pneumatic optical simulation effect, the figure obtained using imageing sensor 86
Calculating as entering the decay of 84 contrast of line raster, controls resistance wire according to result of calculation and adjusts the threshold value of temperature sensor, real
Existing whole system closed loop control, is conducive to improving the accuracy of aero-optical effect simulation.
Specific embodiment six
The vertical pneumatic optical effect analog of the present embodiment, on the basis of specific embodiment five, further limits
The grating 84 can be rotated by 90 ° in its place plane.
It has been investigated that, the direct analog form of aero-optical effect is carried out using air-flow and optical analog and algorithm mould is adopted
The essential distinction for intending indirect analog mode is that air-flow optical analog can occur in two-dimensional directional and algorithm simulation can be controlled
Difference, such difference are carrying out accurately to control when aero-optical effect is directly simulated using air-flow, and this characteristic is not only
Do not illustrate in the prior art, and beyond the cognition of those skilled in the art, it is therefore necessary to two-dimensional directional all
It is monitored.And this structure qualification of the present embodiment, can realize monitoring the contrast change of grating 84 in the two-dimensional direction
Rule, is prevented effectively from single direction and realizes simulating, and other direction problem not up to standard, be conducive to improving aero-optical effect mould
The accuracy of plan.
It should be noted that in the embodiment above, as long as reconcilable technical scheme can carry out permutation and combination, this
Art personnel can be possible to according to the mathematical knowledge limit of permutation and combination, therefore, the present invention is no longer to permutation and combination
Technical scheme afterwards is illustrated one by one, but it is understood that presently disclosed for the technical scheme after permutation and combination.
Claims (6)
1. a kind of vertical pneumatic optical effect analog, it is characterised in that including the black matrix of opening upwards（1）, it is arranged on black
Body（1）The downward tank body of upper opening（2）, black matrix（1）Opening and tank body（2）Opening between pass through stretching structure（3）Even
Connect, the stretching structure（3）It is internally provided with iris structure（4）；
Described black matrix（1）Include ceramic layer from inside to outside successively（11）, intermediate layer（12）, cooling layer（13）And shell（14）；
The intermediate layer（12）Middle setting has resistance wire, and inwall is provided with temperature sensor, the cooling layer（13）Water-filling；
The tank body（2）Top is provided with opening, and lid is provided with opening（5）；
The stretching structure（3）Include internal layer telescoping tube from inside to outside successively（31）, heat-insulation layer（32）With outer layer telescoping tube（33）,
The internal layer telescoping tube（31）Constitute including the non-telescoping end for being arranged on centre and the telescoping tube for being connected to non-god contracting end two ends,
Iris structure is installed on non-god's contracting end（4）；
The iris structure（4）Including annular ring（41）, in annular ring（41）Upper equally distributed rotating shaft（42）, around the shaft
（42）The curved metal blade of rotation（43）, the rotating shaft（42）With curved metal blade（43）Quantity it is identical, at least six
It is individual.
2. vertical pneumatic optical effect analog according to claim 1, it is characterised in that also including water tank（6）With
Water pump（7）, the cooling layer（13）One outlet, water pump are respectively arranged at top and bottom（7）By water tank（6）In water pump into cooling layer
（13）Outlet at bottom, water is from cooling layer（13）Top exit reflow tank.
3. vertical pneumatic optical effect analog according to claim 1, it is characterised in that the lid（5）For stove circle
Structure, including multiple diameters it is different, be nested successively, section for hierarchic structure annular ring.
4. vertical pneumatic optical effect analog according to claim 1, it is characterised in that the tank body（2）To stretch
Shrinking structure.
5. the vertical pneumatic optical effect analog according to claim 1,2,3 or 4, it is characterised in that also including light
Learn imaging system（8）, the optical imaging system（8）Including light source（81）, pin hole（82）, collimating lens（83）, grating（84）,
Object lens（85）And imageing sensor（86）；Light source（81）The light beam for sending, through pin hole（82）Point source is formed, then through collimation
Lens（83）Collimated light beam is formed after collimation, grating is illuminated（84）, the grating（84）With imageing sensor（86）It is respectively provided with
In object lens（85）Object space and image space；Wherein, light source（81）, pin hole（82）, collimating lens（83）And grating（84）It is arranged on black
Body（1）Inside, imageing sensor（86）It is arranged on tank body（2）Inside, object lens（85）It is arranged on black matrix（1）Internal or tank body（2）
It is internal.
6. vertical pneumatic optical effect analog according to claim 5, it is characterised in that the grating（84）Can
It is rotated by 90 ° in its place plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102745.XU CN206095572U (en) | 2016-10-08 | 2016-10-08 | Vertical pneumatic optic effect analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102745.XU CN206095572U (en) | 2016-10-08 | 2016-10-08 | Vertical pneumatic optic effect analogue means |
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| CN206095572U true CN206095572U (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621102745.XU Expired - Fee Related CN206095572U (en) | 2016-10-08 | 2016-10-08 | Vertical pneumatic optic effect analogue means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404336A (en) * | 2016-10-08 | 2017-02-15 | 哈尔滨理工大学 | Vertical pneumatic optical effect analog device |
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2016
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404336A (en) * | 2016-10-08 | 2017-02-15 | 哈尔滨理工大学 | Vertical pneumatic optical effect analog device |
| CN106404336B (en) * | 2016-10-08 | 2018-09-11 | 哈尔滨理工大学 | A kind of vertical pneumatic optical effect simulator |
| CN108827583A (en) * | 2016-10-08 | 2018-11-16 | 哈尔滨理工大学 | A kind of vertical pneumatic optical effect simulator |
| CN108827583B (en) * | 2016-10-08 | 2019-12-20 | 哈尔滨理工大学 | Vertical pneumatic optical effect simulation device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20191008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |