CN206038272U - Pneumatic optic effect analogue means of array air blowing type - Google Patents
Pneumatic optic effect analogue means of array air blowing type Download PDFInfo
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- CN206038272U CN206038272U CN201621102747.9U CN201621102747U CN206038272U CN 206038272 U CN206038272 U CN 206038272U CN 201621102747 U CN201621102747 U CN 201621102747U CN 206038272 U CN206038272 U CN 206038272U
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- air flue
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- black matrix
- optic effect
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Abstract
The utility model provides a pneumatic optic effect analogue means of array air blowing type belongs to pneumatic optics technical field, this pneumatics optic effect analogue means includes black matrix, air flue code cooling system and air flue encoding system, black matrix array structure's opening is connected by one of them hole array of air flue code cooling system, behind the air flue, is connected with the air flue encoding system again, exports the hot -blast of array structure at last, forms strong convection with the external world, produces pneumatic optic effect, carousel among the air flue code cooling system rotates, realizes different arrangement's n strip air flue access system, and then realizes the code, 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 array air blowing type aero-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 array air blowing type aero-optical effect analog, including black matrix, air flue coding cooling system and air flue are compiled
Code system；
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；Black matrix is internally provided with blower fan, by hot blast from
Blow out at the opening of black matrix, array structure of the opening for 1 × n；
Air flue coding cooling system includes rotating disk, and n is distributed with the radial direction of rotating disk！Individual hole array, each Kong Zhen
Row include n hole, and, comprising n bar air flues, the air line distance of each air flue is equal for each hole array, comprising loop configuration it is each
Differ, into arithmetic progression after the arrangement of distance ascending power；Corresponding to different hole arrays, the arrangement mode of air flue is different；
N bar air flues are arranged in air flue coding system the array structure of a × b, and a × b=n；
The opening of black matrix array structure, by the one of hole array connection of air flue coding cooling system, after air flue, then
Be connected with air flue coding system, the hot blast of last output array structure, strong convection is formed with extraneous, produce aero-optical effect；
Rotating disk in air flue coding cooling system is rotated, and is realized the n bar air flue access systems of different arrangement modes, and then is realized coding.
Above-mentioned array air blowing type aero-optical effect analog, also including water tank and water pump, at the top of the cooling layer and
One outlet is respectively arranged at bottom, and the water in water tank is pumped into cooling layer outlet at bottom by water pump, and water flows back to water from cooling layer top exit
Case.
Above array air blowing type aero-optical effect analog, also including be arranged on the outside of air flue coding system with gas
The vertical optical imaging system in stream direction, the optical imaging system include light source, pin hole, collimating lens, grating, object lens and figure
As sensor；The light beam that light source sends, forms point source through pin hole, then forms collimated light beam after collimating lens collimation,
Grating is illuminated, the grating is separately positioned on the object space and image space of object lens with imageing sensor.
The grating can be rotated by 90 ° in its place plane.
Beneficial effect：
Firstth, due to being provided with black matrix, can form strong using between the high-temperature gas in black matrix and extraneous cryogenic 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, the present invention includes black matrix, air flue coding cooling system and air flue coding system, and black matrix array structure is opened
Mouthful, by the one of hole array connection of air flue coding cooling system, after air flue, then it is connected with air flue coding system, finally
The hot blast of output array structure, that is, export the different air-flow of a × b group temperature, and then the air-flow of generation aero-optical effect,
Realize the purpose that aero-optical effect is directly simulated；
3rd, air flue coding cooling system includes rotating disk, and n is distributed with the radial direction of rotating disk！Individual hole array, each
Hole array includes n hole, and each hole array includes n bar air flues, and the air line distance of each air flue is equal, comprising ring junction
Structure is different, into arithmetic progression after the arrangement of distance ascending power；Corresponding to different hole arrays, the arrangement mode of air flue is different；
Under this structure, it is possible to achieve arbitrarily adjust a × b group gas flow temperatures, and then realize can determine that state aero-optical effect mould
Intend；
4th, under the structure that air flue encodes cooling system, the non-uniform rotation of rotating disk, it is possible to achieve random manner Pneumatic light
Learn the simulation of effect.
Description of the drawings
Fig. 1 is the structural representation of array air blowing type aero-optical effect analog of the present invention.
Fig. 2 is the structural representation of black matrix.
Fig. 3 is the structural representation of air flue in same hole array.
Fig. 4 is the structural representation of black matrix in specific embodiment two.
Fig. 5 is the structural representation of optical imaging system in array air blowing type aero-optical effect analog of the present invention.
In figure：1 black matrix, 11 ceramic layers, 12 intermediate layers, 13 cooling layers, 14 shells, 15 blower fans, 2 air flues coding cooling system
System, 21 rotating disks, 22 air flues, 3 air flue coding systems, 6 water tanks, 7 water pumps, 8 optical imaging systems, 81 light sources, 82 pin holes, 83 collimations
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 array air blowing type aero-optical effect analog of the present embodiment, structural representation (need explanation as shown in Figure 1
, the air flue coding cooling system 2 in Fig. 1 show only one group of air flue 22, and reorganizes air flue 22, difference dotted line
Replace).The array air blowing type aero-optical effect analog includes black matrix 1, air flue coding cooling system 2 and air flue coding system
System 3；
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 inside of black matrix 1 is arranged
There is blower fan 15, hot blast is blown out from the opening of black matrix 1, array structure of the opening for 1 × n；The structural representation of black matrix 1
As shown in Fig. 2 in the present embodiment, n=6, is represented with 6 arrows；
Air flue coding cooling system 2 includes rotating disk 21, and n is distributed with the radial direction of rotating disk 21！Individual hole array, each
Hole array includes n hole, each hole array include n bars air flue 22, the air line distance of each air flue is equal, comprising annular
Structure is different, into arithmetic progression after the arrangement of distance ascending power；The each not phase of the arrangement mode of air flue 22 corresponding to different hole arrays
Together；In the present embodiment, each hole array includes 6 air flues 22, and the structural representation of this 6 air flues 22 is as shown in Figure 3；
N bars air flue 22 is arranged in air flue coding system 3 array structure of a × b, and a × b=n；In the present embodiment, a
× b=n is 2 × 3=6, and in FIG, from top to bottom, first, the three, the 5th air flues 22 and second, the four, the 6th air flues are formed
2 × 3 air flue array；
The opening of 1 array structure of black matrix, by air flue coding cooling system 2 one of hole array connection, through air flue 22
Afterwards, then with air flue coding system 3 be connected, the hot blast of last output array structure, strong convection is formed with extraneous, produce Pneumatic optical
Effect；Rotating disk 21 in air flue coding cooling system 2 is rotated, and realizes 22 access system of n bars air flue of different arrangement modes, and then
Realize coding.
Specific embodiment two
The array air blowing type aero-optical effect analog of the present embodiment, on the basis of specific embodiment one, enters one
Step is limited, and one outlet is respectively arranged at the top of the cooling layer 13 and bottom, and water pump 7 is by water tank 6
Water pumps into 13 outlet at bottom of cooling layer, water from 13 top exit reflow tank of cooling layer, as shown in Figure 4.
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
Above array air blowing type aero-optical effect analog, on the basis of specific embodiment one, further limits
Also include being arranged on the optical imaging system 8 vertical with airflow direction on the outside of air flue coding system 3, the optical imaging system
8 as shown in figure 5, 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 going out, forms point source through pin hole 82, then forms collimated light beam after collimating lens 83 are collimated, illuminate grating 84,
The grating 84 is separately positioned on the object space and image space of object lens 85 with imageing sensor 86.
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 four
The array air blowing type aero-optical effect analog of the present embodiment, on the basis of specific embodiment three, enters one
Step limits the grating 84 and 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 (4)
1. a kind of array air blowing type aero-optical effect analog, it is characterised in that including black matrix（1）, air flue coding cooling
System（2）With air flue coding system（3）；
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；Black matrix
（1）Be internally provided with blower fan（15）, by hot blast from black matrix（1）Opening at blow out, it is described opening for 1 × n array structure；
Air flue encodes cooling system（2）Including rotating disk（21）, in rotating disk（21）Radial direction on n is distributed with！Individual hole array, often
Individual hole array includes n hole, and each hole array includes n bar air flues（22）, the air line distance of each air flue is equal, comprising
Loop configuration is different, into arithmetic progression after the arrangement of distance ascending power；Air flue corresponding to different hole arrays（22）Arrangement mode
It is different；
Air flue coding system（3）By n bar air flues（22）It is arranged in the array structure of a × b, and a × b=n；
Black matrix（1）The opening of array structure, encodes cooling system by air flue（2）One of hole array connection, through air flue
（22）Afterwards, then with air flue coding system（3）Connection, the hot blast of last output array structure form strong convection with extraneous, produce gas
Dynamic optical effect；Air flue encodes cooling system（2）In rotating disk（21）Rotate, realize the n bar air flues of different arrangement modes（22）
Access system, and then realize coding.
2. array air blowing type aero-optical effect analog according to claim 1, it is characterised in that also including water tank
（6）And 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. array air blowing type aero-optical effect analog according to claim 1 and 2, it is characterised in that also include
It is arranged on air flue coding system（3）The optical imaging system vertical with airflow direction in outside（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 collimating lens（83）Collimated light beam is formed after collimation, is shone
Light grid（84）, the grating（84）With imageing sensor（86）It is separately positioned on object lens（85）Object space and image space.
4. array air blowing type aero-optical effect analog according to claim 3, it is characterised in that the grating
（84）Can be rotated by 90 ° in its place plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102747.9U CN206038272U (en) | 2016-10-08 | 2016-10-08 | Pneumatic optic effect analogue means of array air blowing type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102747.9U CN206038272U (en) | 2016-10-08 | 2016-10-08 | Pneumatic optic effect analogue means of array air blowing type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500954A (en) * | 2016-10-08 | 2017-03-15 | 哈尔滨理工大学 | A kind of array air blowing type aero-optical effect analog |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500954A (en) * | 2016-10-08 | 2017-03-15 | 哈尔滨理工大学 | A kind of array air blowing type aero-optical effect analog |
| CN108387361A (en) * | 2016-10-08 | 2018-08-10 | 哈尔滨理工大学 | Array air blowing type aero-optical effect simulator |
| CN106500954B (en) * | 2016-10-08 | 2018-09-11 | 哈尔滨理工大学 | A kind of array air blowing type aero-optical effect simulator |
| CN108680337A (en) * | 2016-10-08 | 2018-10-19 | 哈尔滨理工大学 | A kind of array air blowing type aero-optical effect simulator |
| CN108387361B (en) * | 2016-10-08 | 2019-11-15 | 叶伟坚 | Array air blowing type aero-optical effect simulator |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20191008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |