CN105928623B - A kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar - Google Patents
A kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar Download PDFInfo
- Publication number
- CN105928623B CN105928623B CN201610216757.3A CN201610216757A CN105928623B CN 105928623 B CN105928623 B CN 105928623B CN 201610216757 A CN201610216757 A CN 201610216757A CN 105928623 B CN105928623 B CN 105928623B
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- ring
- rubber mat
- groove
- width
- gasket ring
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 35
- 229920001971 elastomer Polymers 0.000 claims abstract description 60
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0205—Mechanical elements; Supports for optical elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention belongs to refrigeration mode auxiliary mould technical fields, and in particular to a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar.Including embracing ring, upper gasket ring, upper rubber mat, lower rubber mat, lower gasket ring, bracket；Wherein: embracing top grouping one complete cylinder-like structure of synthesis of ring and bracket；Upper gasket ring insertion is embraced in the groove of ring, and lower gasket ring is identical with the structure of upper gasket ring, is embedded in the groove of bracket；Upper rubber mat and lower rubber mat are respectively embedded into the groove of gasket ring support section inner surface and the groove of lower gasket ring support section inner surface, are supported by upper rubber mat and lower rubber mat to the Dewar of infrared detector setting position.Since use resilient rubbber cushion is contacted with refrigeration type infrared detector Dewar, the flexible support to detector is formd, it being capable of effective protection detector Dewar under mechanical environment.
Description
Technical field
The invention belongs to refrigeration mode auxiliary mould technical fields, and in particular to a kind of refrigeration type infrared detector Dewar it is soft
Property auxiliary support mechanism.
Background technique
For refrigeration type infrared detector Auxiliary support, mainly there are two aspects at present:
1) detector Dewar Auxiliary support.Refrigeration type infrared detector includes Dewar component and refrigeration machine two parts, detection
The mounting surface of device is located at rear end refrigeration compressor part, and detector front end Dewar component stretching mounting surface is longer, structural stability
It is relatively difficult to guarantee, and sensitive area is imaged and is located inside Dewar, the unstable of structure easily causes the unstable of optical property.Due to Du
It is suspended from mounting surface outside watt component, breakage phenomenon is easy to produce under mechanical environment, currently used supporting way is in Dewar group
The thinner part of part by design mechanical structure carry out Auxiliary support, major advantage be have to detector Dewar part it is certain
Supporting role, but should be noted the flexible connection for taking certain measure formation and detector Dewar, otherwise more hold in vibration processes
Easily cause damage.
2) focal plane plate is reinforced.It is connected between focal plane plate and detector by contact pin, under harsh mechanical condition, vibration
It is visibly moved that focal plane plate is easily caused to deviate from phenomenon from detector, influence detector normal work.It is reinforced at present for focal plane plate
The measure mainly taken is spot printing silicon rubber, and major advantage is simple, light, the disadvantage is that it cannot be guaranteed that having under mechanical environment
Effect property, may cause in vibration processes and falls off.
Therefore, need to verify it is a kind of detector Dewar Auxiliary support and the reinforcing of focal plane plate can be combined it is soft
Property auxiliary support mechanism, to solve the above problems.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple, light-duty structures to realize that the flexibility of detector Dewar is auxiliary
Support is helped, and can be realized the reinforcing to detector focal plane plate, guarantees stable structure of the detector under harsh mechanical environment
Property.
In order to realize the purpose, the technical solution adopted by the present invention is that:
A kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar, including embrace ring, upper gasket ring, upper rubber mat, under
Rubber mat, lower gasket ring, bracket；
Wherein: embracing ring is semi-circular cylindrical structure, and the main body of bracket is rectangular parallelepiped structure, separately sets and embraces on the top of bracket
The corresponding semi-circular cylindrical structure of ring embraces top grouping one complete cylinder-like structure of synthesis of ring and bracket；
It is rectangular groove that the inner surface center of part, which opens up a ring cross-section, on embracing ring and bracket；
Upper gasket ring insertion is embraced in the groove of ring, including two parts, is contacted with refrigeration type infrared detector Dewar respectively
Support section and the fixed part contacted with refrigeration type infrared detector focal plane plate；Support section is semi-circular cylindrical structure, is being propped up
It is rectangular groove that the inner surface center of support part point, which opens up a ring cross-section,；A circle is opened up in the outer surface of support section to cut
Face is rectangular groove, is used to and embraces ring interlocking；
Lower gasket ring is identical with the structure of upper gasket ring, is embedded in the groove of bracket；Lower gasket ring and upper gasket ring be combined into one it is complete
Whole cylinder-like structure, material are polytetrafluoroethylene (PTFE)；
Upper rubber mat and lower rubber mat are respectively embedded into table in the groove and lower gasket ring support section of gasket ring support section inner surface
In the groove in face, upper rubber mat is identical with the structure of lower rubber mat, and upper rubber mat and lower rubber mat are combined into a complete cylinder-like structure,
Its material is elastic silicone rubber, is supported by upper rubber mat and lower rubber mat to the Dewar of infrared detector setting position.
Further, a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as described above, embracing ring is
Internal diameter is 37mm, and outer diameter 42mm, width is the semi-circular cylindrical structure of 10mm；The inner surface center of part on embracing ring and bracket
It is rectangular groove that position, which opens up a ring cross-section, and the depth of groove is 1mm, width 6mm；Upper gasket ring support section is internal diameter
For 34mm, outer diameter 39mm, width is the semi-circular cylindrical structure of 10mm, opens up a circle in the inner surface center of support section
Section is rectangular groove, and the depth of groove is 0.5mm, width 6mm；A circle depth is opened up in the outer surface of support section
For 1mm, width is the groove of 2mm, is used to and embraces ring interlocking；It is 39mm, outer diameter 41mm that upper gasket ring fixed part, which is internal diameter, wide
Degree is the semi-circular cylindrical structure of 12mm；Upper rubber mat is identical with the structure of lower rubber mat, be all internal diameter be 33mm, with a thickness of 1mm, width
For the semi-circular cylindrical structure of 6mm.
Further, a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as described above, embracing ring is
Internal diameter is 39mm, and outer diameter 44mm, width is the semi-circular cylindrical structure of 10mm；The inner surface center of part on embracing ring and bracket
It is rectangular groove that position, which opens up a ring cross-section, and the depth of groove is 1mm, width 6mm；Upper gasket ring support section is internal diameter
For 35mm, outer diameter 41mm, width is the semi-circular cylindrical structure of 10mm, opens up a circle in the inner surface center of support section
Section is rectangular groove, and the depth of groove is 1mm, width 6mm；Opening up a circle depth in the outer surface of support section is
1mm, width are the groove of 2mm, are used to and embrace ring interlocking；Upper gasket ring fixed part is that internal diameter is 39mm, outer diameter 41mm, width
For the semi-circular cylindrical structure of 12mm；Upper rubber mat is identical with the structure of lower rubber mat, be all internal diameter be 33mm, with a thickness of 2mm, width is
The semi-circular cylindrical structure of 6mm.
Further, a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as described above, bracket
Lower surface opens up installation threaded hole, it is fixed for being bolted.
Further, a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as described above, embrace ring and
The material of bracket is aluminium alloy.
Further, a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as described above, in upper pad
Gap is opened up on ring fixed part, avoids contacting with the insulator needle on infrared detector.
Compared with traditional approach, the characteristics of technical solution of the present invention, is as follows:
(1) due to contacting using resilient rubbber cushion with refrigeration type infrared detector Dewar, the flexibility to detector is formd
Support, being capable of effective protection detector Dewar under mechanical environment；
(2) flat to detector coke in the direction of the optical axis due to being contacted using polytetrafluoroethylene material with detector focal plane plate
Panel plays reinforcement effect, can prevent focal plane plate from deviating from detector, polytetrafluoroethylene (PTFE) under the mechanical functions such as vibratory impulse
Material property when it is interacted with focal plane plate can either focal plane plate play effective reinforcement effect and again will not
Cause the damage of focal plane plate；
(3) have the characteristics that adapt to the target seeker refrigeration type infrared detector under various application environments, can guarantee to freeze
Structural stability of the type infrared detector under mechanical environment；
(4) apparatus structure is simple, small in size, light-weight, is adapted to small space installation and lightness demand.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the flexible auxiliary support mechanism of the present invention；
Fig. 2 is the main view of the flexible auxiliary support mechanism of the present invention.
In figure: 1 armful of ring, gasket ring on 2, rubber mat, 4 lower rubber mats, 5 lower gasket rings, 6 brackets on 3.
Specific embodiment
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment one
As depicted in figs. 1 and 2, a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar, including embrace ring, on
Gasket ring, upper rubber mat, lower rubber mat, lower gasket ring, bracket；
Wherein embrace ring be internal diameter be 37mm, outer diameter 42mm, width be 10mm semi-circular cylindrical structure；The main body of bracket is
Rectangular parallelepiped structure separately sets semi-circular cylindrical structure corresponding with ring is embraced on the top of bracket, embraces the top subassembly of ring and bracket
At a complete cylinder-like structure；
It is rectangular groove, the depth of groove that the inner surface center of part, which opens up a ring cross-section, on embracing ring and bracket
Degree is 1mm, width 6mm；；
Upper gasket ring insertion is embraced in the groove of ring, including two parts, is contacted with refrigeration type infrared detector Dewar respectively
Support section and the fixed part contacted with refrigeration type infrared detector focal plane plate；
Upper gasket ring support section is that internal diameter is 34mm, and outer diameter 39mm, width is the semi-circular cylindrical structure of 10mm, is being supported
It is rectangular groove that partial inner surface center, which opens up a ring cross-section, and the depth of groove is 0.5mm, width 6mm；?
It is 1mm that the outer surface of support section, which opens up a circle depth, and width is the groove of 2mm, is used to and embraces ring interlocking；Upper gasket ring fixed part
It point be internal diameter is 39mm, outer diameter 41mm, width is the semi-circular cylindrical structure of 12mm；
Lower gasket ring is identical with the structure of upper gasket ring, is embedded in the groove of bracket；Lower gasket ring and upper gasket ring be combined into one it is complete
Whole cylinder-like structure, material are polytetrafluoroethylene (PTFE)；
Upper rubber mat and lower rubber mat are respectively embedded into table in the groove and lower gasket ring support section of gasket ring support section inner surface
In the groove in face, upper rubber mat is identical with the structure of lower rubber mat, be all internal diameter is 33mm, and with a thickness of 1mm, width is the semicircle of 6mm
Tubular structure., upper rubber mat and lower rubber mat be combined into a complete cylinder-like structure, and material is elastic silicone rubber, by upper
Rubber mat and lower rubber mat are supported the Dewar of infrared detector setting position.
Embodiment two
A kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar, including embrace ring, upper gasket ring, upper rubber mat, under
Rubber mat, lower gasket ring, bracket；
Wherein embrace ring be internal diameter be 39mm, outer diameter 44mm, width be 10mm semi-circular cylindrical structure；The main body of bracket is
Rectangular parallelepiped structure separately sets semi-circular cylindrical structure corresponding with ring is embraced on the top of bracket, embraces the top subassembly of ring and bracket
At a complete cylinder-like structure；
It is rectangular groove, the depth of groove that the inner surface center of part, which opens up a ring cross-section, on embracing ring and bracket
Degree is 1mm, width 6mm；
Upper gasket ring insertion is embraced in the groove of ring, including two parts, is contacted with refrigeration type infrared detector Dewar respectively
Support section and the fixed part contacted with refrigeration type infrared detector focal plane plate；
Upper gasket ring support section is that internal diameter is 35mm, and outer diameter 41mm, width is the semi-circular cylindrical structure of 10mm, is being supported
It is rectangular groove that partial inner surface center, which opens up a ring cross-section, and the depth of groove is 1mm, width 6mm；It is propping up
It is 1mm that the outer surface of support part point, which opens up a circle depth, and width is the groove of 2mm, is used to and embraces ring interlocking；Upper gasket ring fixed part
Be internal diameter be 39mm, outer diameter 41mm, width be 12mm semi-circular cylindrical structure；
Lower gasket ring is identical with the structure of upper gasket ring, is embedded in the groove of bracket；Lower gasket ring and upper gasket ring be combined into one it is complete
Whole cylinder-like structure, material are polytetrafluoroethylene (PTFE)；
Upper rubber mat and lower rubber mat are respectively embedded into table in the groove and lower gasket ring support section of gasket ring support section inner surface
In the groove in face, upper rubber mat is identical with the structure of lower rubber mat, be all internal diameter is 33mm, and with a thickness of 2mm, width is the semicircle of 6mm
Tubular structure., upper rubber mat and lower rubber mat be combined into a complete cylinder-like structure, and material is elastic silicone rubber, by upper
Rubber mat and lower rubber mat are supported the Dewar of infrared detector setting position.
In the above two embodiments, the material for embracing ring and bracket is aluminium alloy, and the lower surface of bracket opens up installation screw thread
Hole is fixed it for being bolted；Open up gap on upper gasket ring fixed part, avoid on infrared detector
Insulator needle contact.Since upper rubber mat, lower rubber mat are directly contacted with detector Dewar, in laboratory environments upper rubber mat, under
It only contacts, does not compress between rubber mat and Dewar, can play the role of being effectively protected to detector Dewar, in mechanical environment not
Hard contact can be generated；Upper gasket ring, lower gasket ring stretch out the axial range for embracing ring and bracket, contact but do not generate with detector focal plane plate
Pressure guarantees performance of the focal plane plate under mechanical environment for reinforcing detector focal plane plate.
Claims (6)
1. a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar, it is characterised in that: including embrace a ring, upper gasket ring,
Upper rubber mat, lower rubber mat, lower gasket ring, bracket；
Wherein: embracing ring is semi-circular cylindrical structure, and the main body of bracket is rectangular parallelepiped structure, separately sets on the top of bracket and embraces ring pair
The semi-circular cylindrical structure answered embraces top grouping one complete cylinder-like structure of synthesis of ring and bracket；
It is rectangular groove that the inner surface center of part, which opens up a ring cross-section, on embracing ring and bracket；
Upper gasket ring insertion is embraced in the groove of ring, including two parts, is the support contacted with refrigeration type infrared detector Dewar respectively
Part and the fixed part contacted with refrigeration type infrared detector focal plane plate；Support section is semi-circular cylindrical structure, in support portion
It is rectangular groove that the inner surface center divided, which opens up a ring cross-section,；Opening up a ring cross-section in the outer surface of support section is
Rectangular groove is used to and embraces ring interlocking；
Lower gasket ring is identical with the structure of upper gasket ring, is embedded in the groove of bracket；Lower gasket ring and upper gasket ring are combined into one completely
Cylinder-like structure, material are polytetrafluoroethylene (PTFE)；
Upper rubber mat and lower rubber mat are respectively embedded into the groove and lower gasket ring support section inner surface of gasket ring support section inner surface
In groove, upper rubber mat is identical with the structure of lower rubber mat, and upper rubber mat and lower rubber mat are combined into a complete cylinder-like structure, material
Material is elastic silicone rubber, is supported by upper rubber mat and lower rubber mat to the Dewar of infrared detector setting position.
2. a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as described in claim 1, it is characterised in that:
Embrace ring be internal diameter be 37mm, outer diameter 42mm, width be 10mm semi-circular cylindrical structure；
It is rectangular groove that the inner surface center of part, which opens up a ring cross-section, on embracing ring and bracket, and the depth of groove is
1mm, width 6mm；
Upper gasket ring support section is that internal diameter is 34mm, and outer diameter 39mm, width is the semi-circular cylindrical structure of 10mm, in support section
To open up a ring cross-section be rectangular groove for inner surface center, the depth of groove is 0.5mm, width 6mm；It is supporting
It is 1mm that partial outer surface, which opens up a circle depth, and width is the groove of 2mm, is used to and embraces ring interlocking；Upper gasket ring fixed part is
Internal diameter is 39mm, and outer diameter 41mm, width is the semi-circular cylindrical structure of 12mm；
Upper rubber mat is identical with the structure of lower rubber mat, be all internal diameter is 33mm, and with a thickness of 1mm, width is the semi-circular cylindrical knot of 6mm
Structure.
3. a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as described in claim 1, it is characterised in that:
Embrace ring be internal diameter be 39mm, outer diameter 44mm, width be 10mm semi-circular cylindrical structure；
It is rectangular groove that the inner surface center of part, which opens up a ring cross-section, on embracing ring and bracket, and the depth of groove is
1mm, width 6mm；
Upper gasket ring support section is that internal diameter is 35mm, and outer diameter 41mm, width is the semi-circular cylindrical structure of 10mm, in support section
To open up a ring cross-section be rectangular groove for inner surface center, the depth of groove is 1mm, width 6mm；In support portion
It is 1mm that the outer surface divided, which opens up a circle depth, and width is the groove of 2mm, is used to and embraces ring rabbet；Upper gasket ring fixed part is interior
Diameter is 39mm, and outer diameter 41mm, width is the semi-circular cylindrical structure of 12mm；
Upper rubber mat is identical with the structure of lower rubber mat, be all internal diameter is 33mm, and with a thickness of 2mm, width is the semi-circular cylindrical knot of 6mm
Structure.
4. a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as claimed in claim 2 or claim 3, feature exist
In: the lower surface of bracket opens up installation threaded hole, it is fixed for being bolted.
5. a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as claimed in claim 2 or claim 3, feature exist
In: the material for embracing ring and bracket is aluminium alloy.
6. a kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar as claimed in claim 2 or claim 3, feature exist
In: on upper gasket ring fixed part gap is opened up, avoids contacting with the insulator needle on infrared detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610216757.3A CN105928623B (en) | 2016-04-08 | 2016-04-08 | A kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610216757.3A CN105928623B (en) | 2016-04-08 | 2016-04-08 | A kind of flexible auxiliary support mechanism of refrigeration type infrared detector Dewar |
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| CN105928623A CN105928623A (en) | 2016-09-07 |
| CN105928623B true CN105928623B (en) | 2019-02-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108332861B (en) * | 2017-12-07 | 2020-01-14 | 中国航空工业集团公司洛阳电光设备研究所 | Refrigeration infrared detector fixing part convenient for fast dismounting interface board |
| CN108955899B (en) * | 2018-07-24 | 2020-12-18 | 中国电子科技集团公司第十一研究所 | Infrared detector dewar and detector assembly |
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