CN109632260A - A kind of infrared spectral coverage is optically isolated window and its installation method - Google Patents
A kind of infrared spectral coverage is optically isolated window and its installation method Download PDFInfo
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- CN109632260A CN109632260A CN201811525027.7A CN201811525027A CN109632260A CN 109632260 A CN109632260 A CN 109632260A CN 201811525027 A CN201811525027 A CN 201811525027A CN 109632260 A CN109632260 A CN 109632260A
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- window
- chamber
- plastic film
- light passing
- spectral coverage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The embodiment of the invention discloses a kind of infrared spectral coverages to be optically isolated window and its installation method.It includes: the window shell connecting with the cabinet of chamber that the infrared spectral coverage, which is optically isolated window, it is fixed in the window shell and is located at the infrared light passing glass of the inside of chamber, the intracorporal macromolecule plastic film of window shell is fixed on the infrared light passing glass partition, and there is hollow layer between the infrared light passing glass and the macromolecule plastic film, the macromolecule plastic film is located at the outside of chamber.The infrared spectral coverage, which is optically isolated window, can prevent light passing surface fogging, and not reduce the transmission function of light, and production and maintenance cost are again low.
Description
Technical field
The present invention relates to optical technical fields, and in particular to aerial camera works as environment temperature in temperature simulation experiment
When variation, a kind of infrared spectral coverage that the transmission function of light is constant is optically isolated window and its installation method.
Background technique
Aerial camera deposits temperature difference and pressure difference inside chamber and chamber in temperature simulation experiment.For this purpose, must
An isolation window that corresponding spectrum segment can be made to pass through must be added.At the same time, the steam due to the effect of temperature difference, in air
Can be adsorbed on the lower isolation window outboard face of temperature, so condense fogging frosting, this meeting so that aerial camera at image quality
Amount decline.
Currently, the method for reducing fogging is usually to use the window of two layers of infrared glass material logical in the prior art
Light, with the hollow layer between two layers of infrared glass come isolated temperature conduction and air pressure.But increase by one layer of infrared glass material more
Window, so that the transmission function of light reduces, to influence image quality.Further, infrared light passing material is not only expensive,
And production is complicated, maintenance is cumbersome.For this purpose, conceiving one kind both can be reduced light passing surface fogging, transmission function, and energy are not reduced
Reduce the temperature, pressure isolation structure of cost of manufacture.
Therefore, need to reduce the transmission function of light during solving and window surface fogging is isolated for the prior art
Problem, it is necessary to propose that one kind can prevent light passing surface fogging, and not reduce the transmission function of light, production and maintenance cost are again
Low infrared spectral coverage is optically isolated window.Further, window being optically isolated for this, a kind of installation method is also provided.
Summary of the invention
Need to reduce the transmission function of light during solving the problems, such as isolation window surface fogging the prior art,
The embodiment of the present invention proposes that a kind of infrared spectral coverage is optically isolated window.The infrared spectral coverage, which is optically isolated window, can prevent light passing table
Face fogging, and the transmission function of light is not reduced, production and maintenance cost are again low.
The concrete scheme that the infrared spectral coverage is optically isolated window is as follows: a kind of infrared spectral coverage is optically isolated window, feature
It is, the isolation window includes: window shell, is connect with the cabinet of chamber；Infrared light passing glass, is fixed on the window
In shell, positioned at the inside of chamber；Macromolecule plastic film is fixed on the window shell with the infrared light passing glass partition
In vivo, there is hollow layer between the infrared light passing glass and the macromolecule plastic film；The macromolecule plastic film position
In the outside of chamber.
Preferably, the isolation window further includes film substrate, and the macromolecule plastic film is placed in the film base
On plate.
Preferably, the isolation window further includes flattening ring, and the flattening ring crimps the macromolecule plastic film, is used for
The macromolecule plastic film is flattened.
Preferably, the flattening ring is mounted on the outside of the window shell.
Preferably, the macromolecule plastic film includes polyvinyl chloride film.
Preferably, the infrared light passing glass is fixed in the window shell by cementing mode.
Preferably, the chamber is for simulating cryogenic high pressure environment.
Preferably, the window shell is bolted mode with the chamber and is connected with each other.
The embodiment of the present invention also provides a kind of method installed infrared spectral coverage and be optically isolated window.The infrared spectral coverage light of the installation
The method for learning isolation window includes step S1: window shell is fixedly connected with the cabinet of chamber；Step S2: by infrared light passing
Glass is fixed on the window shell, and the infrared light passing glass is on the inside of chamber；Step S3: by high molecule plastic
Film is placed on film substrate, is crimped the macromolecule membrane using flattening ring and is flattened, the flattening ring is mounted on institute
It states on window shell, so that the macromolecule plastic film is on the outside of chamber and makes the macromolecule plastic film and institute
Stating has hollow layer between infrared light passing glass.
Preferably, the infrared light passing glass is directly contacted with the environment in chamber, the macromolecule plastic film with
Environment outside chamber directly contacts.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
Infrared spectral coverage provided in an embodiment of the present invention is optically isolated window using one layer infrared light passing glass and one layer of high score
Sub- plastic film, and there is hollow layer between infrared light passing glass and macromolecule plastic film, by hollow layer isolated pressure and
Hot and cold gas so that isolation window each surface all without condensation phenomenon so that the transmission function of light is constant.Further
Ground, infrared spectral coverage provided in an embodiment of the present invention are optically isolated window by using macromolecule plastic film instead of one layer of valuableness
Infrared light passing glass, not only increase the light transmission rate of isolation window, also effectively reduce the production cost and maintenance cost.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram that window chamber is optically isolated using infrared spectral coverage provided in the embodiment of the present invention；
Fig. 2 is the schematic diagram of infrared spectral coverage isolation window mouth in embodiment illustrated in fig. 1；
Fig. 3 is the installation steps flow diagram for installing infrared spectral coverage isolation window mouth in embodiment illustrated in fig. 1.
Numbering in the drawing explanation:
10, chamber 12, cabinet 20, isolation window
1, window shell 2, macromolecule plastic film 3, infrared light passing glass
4, film substrate 5, flattening ring 18, bolt fixture
A, experimental situation B, normal temperature and pressure environment
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
As shown in Figure 1, what is provided in the embodiment of the present invention a kind of is optically isolated showing for window chamber using infrared spectral coverage
It is intended to.It in this embodiment, include cabinet 12, a part and INFRARED SPECTRUM of cabinet 12 for the chamber 10 of simulation test environment
The window shell 20 that section is optically isolated window connects.The inner space that cabinet 12 is surrounded is experimental situation A, the outside of cabinet 12
Environment is normal temperature and pressure environment B.The environmental simulation that chamber 10 is applied to aerial camera is imaged, and chamber 10 is for simulating low temperature
Hyperbaric environment, isolation window 20 are the light passing optical paths of chamber 10.The optics of light passing sealing element employed in window 20 is isolated
Performance should be ideal as far as possible, should as far as possible less or influence value is small for the factor of the interference such as the absorption, scattering, refraction of light imaging.
As shown in Fig. 2, for the schematic diagram of infrared spectral coverage isolation window mouth in embodiment illustrated in fig. 1.In this embodiment, it is isolated
Window 20 includes the window shell 1 connecting with the cabinet 12 of chamber 10, is fixed in window shell 1 and is located at chamber 10
The infrared light passing glass 3 of inside is spaced the macromolecule plastic film 2 being fixed in window shell 1 with infrared light passing glass 3, high
A hollow layer 6 is formed between molecule plastic film 2 and infrared light passing glass 3, macromolecule plastic film 2 is located at chamber 10
Outside.
It further includes film substrate 4 that window 20, which is isolated, and macromolecule plastic film 2 is placed on film substrate 4.Further,
Isolation window 20 further includes flattening ring 5, and flattening ring 5 crimps macromolecule plastic film 2, for flattening macromolecule plastic film 2.
The outside for being mounted on window shell 1 by the way that ring 5 will be flattened, so that macromolecule plastic film 2 is located at the outside of chamber 10.
Macromolecule plastic film 2 is film made of a kind of good high molecular material of light transmission, specifically includes polychlorostyrene second
Alkene film (PVC film), low-density polyethylene film (ldpe film), polypropylene film (PP film), polyvinylidene chloride
(PVDC film) etc..The cost of the relatively infrared light passing glass 3 of the cost of macromolecule plastic film 2 is much lower, and does not need to carry out
Maintenance or even if maintenance cost it is very low.
In this embodiment, infrared light passing glass 3 is fixed in the window shell 1 by cementing mode.It is infrared logical
The internal and external pressure difference of environmental test chamber 10 has not only been isolated in light glass 3, the gas flow chamber being also prevented from chamber 10
Trend outside 10.Window shell 1 and the cabinet 12 of chamber 10 are connected with each other by 18 fixed form of bolt.Certainly, window shell
The mode that body 1 is fixed on cabinet 12 may be other modes, such as clamping or elastic conjunction.
In the specific course of work, the situation of the appearance of chamber 10 are as follows: when low-temperature working state is simulated in chamber 10,
Infrared light passing glass 3 positioned at 10 inside of chamber is directly contacted with cryogenic gas.Due to the factor of heat transfer, infrared light passing glass
The temperature of glass 3 can reduce rapidly.Again in the embodiment, isolation window 20 is there are second layer macromolecule plastic film 2, and macromolecule
Plastic film 2 and infrared light passing glass 3 interval are arranged, so that having one between macromolecule plastic film 2 and infrared light passing glass 3
A hollow layer 6.Hollow layer 6 is the hollow closed separation layer without steam.Due to no steam, at two of hollow layer 6
Inner surface is fogless to be tied.Meanwhile hollow layer 6 can also prevent heat transfer, and therefore, the high molecule plastic positioned at 10 outside of chamber
The temperature of 2 film of film is identical as the room temperature in laboratory, and in turn, the steam in air would not be in film window outer surface
Fogging.
Infrared spectral coverage provided in an embodiment of the present invention is optically isolated window using one layer infrared light passing glass and one layer of high score
Sub- plastic film, and there is hollow layer between infrared light passing glass and macromolecule plastic film, by hollow layer isolated pressure and
Hot and cold gas so that isolation window each surface all without condensation phenomenon so that the transmission function of light is constant.
Infrared spectral coverage provided in an embodiment of the present invention is optically isolated window by using macromolecule plastic film instead of one
The expensive infrared light passing glass of layer, not only increases the light transmission rate of isolation window, also effectively reduces the production cost and tie up
Protect cost.
As shown in figure 3, for the installation steps flow diagram of infrared spectral coverage isolation window mouth in installation embodiment illustrated in fig. 1.
The installation steps for installing the infrared spectral coverage isolation window mouth 20 include 3 steps, and it is as follows to specifically describe process.
Step S1: window shell 1 is fixedly connected with the cabinet 12 of chamber 10.In this embodiment, window shell 1 with
The cabinet 12 of chamber 10 is connected with each other by 18 fixed form of bolt.
Step S2: infrared light passing glass 3 is fixed on the window shell 1, and the infrared light passing glass 3 is close to examination
The inside of tryoff 10.Infrared light passing glass 3 is directly contacted with the environment in chamber.
Step S3: macromolecule plastic film 2 is placed on film substrate 4, is pressed macromolecule membrane 2 using flattening ring 5
Connect flattening, will flattening ring 5 be mounted on window shell 1 so that macromolecule plastic film 2 close to chamber 10 outside and make
There is hollow layer 6 between macromolecule plastic film 2 and infrared light passing glass 3.Specifically, by macromolecule plastic film 2 with it is infrared
The interval of light passing glass 3 is mounted on window shell 1.Macromolecule plastic film 2 is directly contacted with the environment outside chamber 10, i.e., high
Molecule plastic film 2 is directly contacted with normal temperature and pressure environment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of infrared spectral coverage is optically isolated window, which is characterized in that the isolation window includes:
Window shell is connect with the cabinet of chamber；
Infrared light passing glass is fixed in the window shell, positioned at the inside of chamber；
Macromolecule plastic film is fixed in the window shell with the infrared light passing glass partition, the infrared light passing glass
There is hollow layer between glass and the macromolecule plastic film；
The macromolecule plastic film is located at the outside of chamber.
2. a kind of infrared spectral coverage according to claim 1 is optically isolated window, which is characterized in that the isolation window also wraps
Film substrate is included, the macromolecule plastic film is placed on the film substrate.
3. a kind of infrared spectral coverage according to claim 1 is optically isolated window, which is characterized in that the isolation window also wraps
Flattening ring is included, the flattening ring crimps the macromolecule plastic film, for flattening the macromolecule plastic film.
4. a kind of infrared spectral coverage according to claim 3 is optically isolated window, which is characterized in that the flattening ring is mounted on
The outside of the window shell.
5. a kind of infrared spectral coverage according to claim 1 is optically isolated window, which is characterized in that the high molecule plastic is thin
Film includes polyvinyl chloride film.
6. a kind of infrared spectral coverage according to claim 1 is optically isolated window, which is characterized in that the infrared light passing glass
It is fixed in the window shell by cementing mode.
7. a kind of infrared spectral coverage according to claim 1 is optically isolated window, which is characterized in that the chamber is used for mould
Quasi- cryogenic high pressure environment.
8. a kind of infrared spectral coverage according to claim 1 is optically isolated window, which is characterized in that the window shell and institute
It states chamber and is bolted mode and be connected with each other.
9. a kind of method installed infrared spectral coverage and be optically isolated window, which is characterized in that the described method includes:
Step S1: window shell is fixedly connected with the cabinet of chamber；
Step S2: infrared light passing glass is fixed on the window shell, and the infrared light passing glass is in chamber
Side；
Step S3: macromolecule plastic film is placed on film substrate, and the macromolecule membrane is crimped exhibition using flattening ring
It is flat, the flattening ring is mounted on the window shell, so that the macromolecule plastic film is on the outside of chamber and makes
Obtaining has hollow layer between the macromolecule plastic film and the infrared light passing glass.
10. a kind of method installed infrared spectral coverage and be optically isolated window according to claim 9, which is characterized in that described
Infrared light passing glass is directly contacted with the environment in chamber, and the macromolecule plastic film directly connects with the environment outside chamber
Touching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525027.7A CN109632260A (en) | 2018-12-13 | 2018-12-13 | A kind of infrared spectral coverage is optically isolated window and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525027.7A CN109632260A (en) | 2018-12-13 | 2018-12-13 | A kind of infrared spectral coverage is optically isolated window and its installation method |
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| CN109632260A true CN109632260A (en) | 2019-04-16 |
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| CN201811525027.7A Pending CN109632260A (en) | 2018-12-13 | 2018-12-13 | A kind of infrared spectral coverage is optically isolated window and its installation method |
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| CN101866039A (en) * | 2010-07-29 | 2010-10-20 | 哈尔滨工业大学 | High and low temperature resistant medium wave infrared optical window and manufacturing method thereof |
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2018
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