CN112114472A - Focal plane image rotating flexible heat conduction device and focal plane image rotating mechanism - Google Patents
Focal plane image rotating flexible heat conduction device and focal plane image rotating mechanism Download PDFInfo
- Publication number
- CN112114472A CN112114472A CN202010854148.7A CN202010854148A CN112114472A CN 112114472 A CN112114472 A CN 112114472A CN 202010854148 A CN202010854148 A CN 202010854148A CN 112114472 A CN112114472 A CN 112114472A
- Authority
- CN
- China
- Prior art keywords
- flexible heat
- heat conduction
- flexible
- detector assembly
- focal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Studio Devices (AREA)
- Accessories Of Cameras (AREA)
- Radiation Pyrometers (AREA)
Abstract
The application provides a focal plane image revolves flexible heat-conducting device, including flexible heat-conducting piece and detector subassembly, flexible heat-conducting piece with detector subassembly's bottom is closely laminated, just flexible heat-conducting piece with packing force between the detector subassembly is adjustable, flexible heat-conducting piece and detector subassembly can be around Z looks relative rotation for when realizing that the focal plane image revolves, can realize good heat conduction.
Description
Technical Field
The invention belongs to the technical field of space optical remote sensing, and particularly relates to a focal plane image rotating flexible heat conduction device and a focal plane image rotating mechanism.
Background
In order to eliminate image surface rotation caused by bias current, an image rotation mechanism is required to be added to a part of remote sensing cameras applied to the field of aerospace. In the image rotation mechanism needing the back of the detector for refrigeration and heat dissipation, the detector and the heat conduction cold finger can rotate relatively and can also ensure good heat conduction, so that a detachable flexible heat conduction design with good heat conduction is needed. Traditional flexible heat conduction design is generally at flexible heat conduction face coating flexible heat conduction coating, plays wear-resisting heat conduction and flexible contact's effect, but only coats the heat conduction coating, is difficult to control contact surface compressive force, directly uses on the heat conduction faying face that has relative activity, also destroys flexible heat conduction face easily.
Disclosure of Invention
In view of the above, it is necessary to provide a focal plane rotation flexible heat conducting mechanism with wear resistance and good heat conducting property.
In order to solve the technical problem, the invention provides a focal plane image flexible heat conduction device which comprises a flexible heat conduction piece and a detector assembly, wherein the flexible heat conduction piece and the detector assembly can rotate around a Z axis relatively.
In some embodiments, the flexible heat conducting block includes a base and a top fixedly connected to the base, the base is provided with a plurality of slots and force releasing holes disposed at two ends of any one of the slots, and a heat conducting wear-resistant coating is disposed on an upper surface of the top and closely attached to a bottom of the detector assembly.
In some embodiments, the slots are annularly spaced from near to far around the top.
In some of these embodiments, the flexible thermally conductive mass is in close proximity to the bottom of the detector assembly,
in some of these embodiments, the compressive force between the flexible thermally conductive mass and the detector assembly is adjustable.
In some embodiments, the base is provided with a limiting hole, and the pressing force between the flexible heat-conducting block and the detector assembly is adjusted by changing the height between the base and the bottom of the detector assembly, so that the flexible heat-conducting block generates a slight Z-direction displacement along the Z-axis direction, and the slight Z-direction deformation enables the heat-conducting wear-resistant coating to be always tightly attached to the bottom surface of the detector assembly.
In some of these embodiments, the thermally conductive, wear resistant coating is polytetrafluoroethylene.
In addition, the invention also provides a focal plane image rotating mechanism which comprises the focal plane image rotating flexible heat conducting device.
Compared with the prior art, the utility model provides a focal plane image revolves flexible heat-conducting device, including flexible heat-conducting piece and detector subassembly, flexible heat-conducting piece with detector subassembly's bottom is closely laminated, just flexible heat-conducting piece with packing force between the detector subassembly is adjustable, flexible heat-conducting piece and detector subassembly can be around Z looks relative rotation for when realizing that the focal plane image revolves, can realize good heat conduction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a focal plane image rotation flexible heat conducting device according to an embodiment of the present invention;
fig. 2 is an axial side view of a focal-plane-like flexible thermal conductor according to an embodiment of the present invention.
Fig. 3 is a top view of a focal plane image spiral flexible heat conducting device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments.
Referring to fig. 1, the focal plane image rotation flexible heat conducting mechanism of the present application includes a flexible heat conducting member 1 and a detector assembly 2. The flexible heat conducting block 1 is tightly attached to the bottom of the detector assembly 2, and the flexible heat conducting block 1 and the detector assembly 2 can rotate relatively around the Z axis, so that good heat conduction can be realized while the focal plane image is rotated.
The above is the basic technical means for solving the technical problem of realizing that the focal plane image has wear resistance and good heat conduction characteristic. The following describes preferred embodiments of the present invention with reference to the accompanying drawings.
Please refer to fig. 2 and fig. 3, which are an axial view and a top view of the focal plane image rotation flexible heat conducting device according to the embodiment of the present invention.
In some embodiments, the flexible heat conducting block 1 includes a base 10 and a top 20 fixedly connected to the base 10, wherein the base 10 is provided with a plurality of slots 101 and force releasing holes 102 disposed at two ends of any one of the slots 101.
Further, the plurality of slots 101 are annularly spaced from near to far with the top 20 as a center. It can be understood that the size of the cross section on the heat conducting link can be adjusted by adjusting the spacing distance between the adjacent slots 101 under the same diameter, so as to meet the appropriate heat transfer efficiency.
Furthermore, slots are disposed between the slots 101 disposed at intervals in a ring shape along a radial direction to improve flexibility of the heat conduction block base 10.
It can be understood that the flexible heat conducting block 1 is flexible along the Z-axis direction due to the plurality of broken annular slots 101 arranged on the base 10 of the flexible heat conducting block 1; and the two ends of each slot are provided with a force-releasing hole 102, so that the stress at the tail end of the slot 101 can be released.
In some of these embodiments, the compressive force between the flexible thermally conductive mass 1 and the detector assembly 2 is adjustable.
Specifically, the pressing force between the flexible heat-conducting block 1 and the detector assembly 2 is adjusted by changing the height L between the base 1 and the bottom of the detector assembly 2, so that the flexible heat-conducting block 1 generates a slight Z-direction displacement along the Z-axis direction, the slight Z-direction deformation enables the heat-conducting wear-resistant coating 103 to be always tightly attached to the bottom surface of the detector assembly 2, and the characteristic of flexible contact can also play a good role in protecting the metal contact surface.
In some embodiments, the top portion 20 is provided with a heat conductive wear resistant coating 103 on the upper surface, and the heat conductive wear resistant coating 103 is closely attached to the bottom of the detector assembly 2.
Further, the heat-conducting wear-resistant coating 103 is polytetrafluoroethylene.
It can be understood that, because the top surface of the flexible heat conducting block 1 is coated with the heat conducting wear-resistant coating 103 made of polytetrafluoroethylene, good heat conduction between the flexible heat conducting block 1 and the detector assembly 2 can be ensured, and good wear resistance can be provided when the flexible heat conducting block 1 and the detector assembly 2 rotate relatively along the Z axis, so that the focal plane can be ensured to rotate and good heat conducting performance can be ensured.
Compared with the prior art, the utility model provides a focal plane is like flexible heat conduction device soon, including flexible heat conduction piece and detector subassembly, flexible heat conduction piece with detector subassembly's bottom is closely laminated, just flexible heat conduction piece with packing force between the detector subassembly is adjustable, flexible heat conduction piece and detector subassembly can be around Z looks relative rotation for when realizing that the focal plane is like soon, can realize good heat conduction, can be used to the focal plane and like in revolving the mechanism.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A focal image rotary flexible heat conduction device is characterized by comprising a flexible heat conduction piece and a detector assembly, wherein the flexible heat conduction piece is tightly attached to the bottom of the detector assembly, and the flexible heat conduction piece and the detector assembly can rotate around a Z axis relatively.
2. The focal image rotation flexible heat conduction device of claim 1, wherein the flexible heat conduction block comprises a base and a top portion fixedly connected with the base, and the base is provided with a plurality of slots and force-releasing holes arranged at two ends of any one of the slots.
3. The focal-plane image rotation flexible heat transfer device of claim 1, wherein the top upper surface is provided with a heat-conducting wear-resistant coating, and the heat-conducting wear-resistant coating is tightly attached to the bottom of the detector assembly.
4. The focal-plane-like flexible heat transfer device of claim 2, wherein the plurality of slots are annularly spaced from proximal to distal about the top.
5. The focal image rotation flexible thermal conductor of claim 1, wherein the compressive force between the flexible thermal conductor block and the detector assembly is adjustable.
6. The focal image rotation flexible heat conduction device according to claim 5, wherein the pressing force between the flexible heat conduction block and the detector assembly is adjusted by changing the height between the base and the bottom of the detector assembly, so that the flexible heat conduction block generates a slight Z-direction displacement along the Z-axis direction, and the slight Z-direction deformation enables the heat conduction wear-resistant coating to be always tightly attached to the bottom surface of the detector assembly.
7. The focal-plane, rotational, flexible, heat transfer device of claim 6, wherein said thermally conductive, abrasion resistant coating is polytetrafluoroethylene.
8. A focal plane rotation mechanism, comprising the focal plane rotation flexible heat transfer device according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010854148.7A CN112114472A (en) | 2020-08-24 | 2020-08-24 | Focal plane image rotating flexible heat conduction device and focal plane image rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010854148.7A CN112114472A (en) | 2020-08-24 | 2020-08-24 | Focal plane image rotating flexible heat conduction device and focal plane image rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112114472A true CN112114472A (en) | 2020-12-22 |
Family
ID=73805380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010854148.7A Pending CN112114472A (en) | 2020-08-24 | 2020-08-24 | Focal plane image rotating flexible heat conduction device and focal plane image rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112114472A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0561163A1 (en) * | 1992-03-17 | 1993-09-22 | Daimler-Benz Aerospace Aktiengesellschaft | Image pickup system |
| CN106549067A (en) * | 2016-11-09 | 2017-03-29 | 北京空间机电研究所 | A kind of large-scale Infrared Focal Plane Structure with thermal stress relieving capacity |
| CN111024235A (en) * | 2019-11-22 | 2020-04-17 | 北京空间机电研究所 | Infrared focal plane supporting structure with thermal stress unloading function |
| CN111246709A (en) * | 2020-01-14 | 2020-06-05 | 中国科学院长春光学精密机械与物理研究所 | Heat radiator |
| CN210689819U (en) * | 2019-08-01 | 2020-06-05 | 武汉高芯科技有限公司 | Infrared refrigeration detector and detector system |
-
2020
- 2020-08-24 CN CN202010854148.7A patent/CN112114472A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0561163A1 (en) * | 1992-03-17 | 1993-09-22 | Daimler-Benz Aerospace Aktiengesellschaft | Image pickup system |
| CN106549067A (en) * | 2016-11-09 | 2017-03-29 | 北京空间机电研究所 | A kind of large-scale Infrared Focal Plane Structure with thermal stress relieving capacity |
| CN210689819U (en) * | 2019-08-01 | 2020-06-05 | 武汉高芯科技有限公司 | Infrared refrigeration detector and detector system |
| CN111024235A (en) * | 2019-11-22 | 2020-04-17 | 北京空间机电研究所 | Infrared focal plane supporting structure with thermal stress unloading function |
| CN111246709A (en) * | 2020-01-14 | 2020-06-05 | 中国科学院长春光学精密机械与物理研究所 | Heat radiator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6848828B2 (en) | Foil bearing and spindle device using the same | |
| JP2703750B2 (en) | Adjusting ring and compressor with adjusting ring | |
| US7168857B2 (en) | Special type bearing device | |
| CN1982675B (en) | Variable stator vane assembly and bushing thereof | |
| CN112054360B (en) | Ultrathin high-current rotary transmission device and installation method thereof | |
| US10451129B2 (en) | Bicycle disc brake rotor | |
| CN112114472A (en) | Focal plane image rotating flexible heat conduction device and focal plane image rotating mechanism | |
| US6226177B1 (en) | Friction hinge having high thermal conductivity | |
| CN106545582A (en) | A kind of politef base self-lubricating axial limiting alloy bearing | |
| JPS6325327A (en) | Guide blade control apparatus for turbine driver | |
| CN103047014A (en) | Heat insulation plate structure | |
| JP6283924B1 (en) | Electric motor and heat sink device using the same | |
| JP6182420B2 (en) | Electric linear actuator and electric brake device | |
| KR101445063B1 (en) | Combo bearing including air foil thrust bearing and metal mesh foil radial bearing | |
| JPS63270923A (en) | Friction element for clutch | |
| JP6283923B1 (en) | Electric motor and heat sink device using the same | |
| CN207691626U (en) | A kind of accurate shaft core of automobile motor of abnormity | |
| CN213360862U (en) | High-temperature-resistant high-precision shaft sleeve | |
| CN211702169U (en) | Camera module and electronic equipment | |
| CN112460447A (en) | Large-angle flexible supporting device | |
| CN216407521U (en) | Bearing with good wear-resisting and heat-dissipating performances | |
| KR20190052200A (en) | Reducer integrated motor | |
| CN216555006U (en) | Needle roller bearing with shell | |
| CN211280232U (en) | Rubber roll with good heat resistance and convenient installation | |
| CN215121638U (en) | Rotating shaft mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201222 |
|
| RJ01 | Rejection of invention patent application after publication |