CN215374216U - Modular three-dimensional adjustable detector splicing structure - Google Patents
Modular three-dimensional adjustable detector splicing structure Download PDFInfo
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- CN215374216U CN215374216U CN202121001641.0U CN202121001641U CN215374216U CN 215374216 U CN215374216 U CN 215374216U CN 202121001641 U CN202121001641 U CN 202121001641U CN 215374216 U CN215374216 U CN 215374216U
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Abstract
The patent discloses a three-dimensional adjustable detector mosaic structure of modular, including detector module, module base plate, mounting substrate, cold chain, flexible cable, connector, connecting rod, adjusting shim etc.. Contain 2 or more than 2 detector modules in the mosaic structure, detector module installs on the module base plate, and the bottom connecting rod is equipped with the flatness that high adjusting shim is used for adjusting detector module array, and the mounting hole internal diameter on the mounting substrate slightly is greater than the connecting rod external diameter for adjust detector horizontal direction installation accuracy, detector module's electrical signal is drawn forth through flexible cold chain, and joule heat is derived through the cold chain. Each submodule in the structure is independent, the replaceability is strong, the three-dimensional position precision is convenient to adjust during splicing, the expansibility is strong, and the structure is suitable for splicing and integrating the ultra-large-scale focal plane array detector.
Description
Technical Field
The patent relates to a modular detector splicing structure and a three-dimensional position precision adjustable method, in particular to an occasion for packaging and integrating a super-large-scale focal plane array detector.
Background
In the field of space astronomy, research on large-caliber visible and infrared band ultrahigh-resolution space telescopes is carried out, the large-caliber visible and infrared band ultrahigh-resolution space telescopes enter a wide-area sky patrol era, and the infrared detection technology is required to have the characteristics of large scale, multiple bands, high sensitivity, high spatial resolution and the like in the field of earth observation and the fields of meteorological, oceanic, resource, environment, disaster monitoring and forecasting and the like. The focal plane detector is one of the core components for determining the technical indexes of the system, the scale of the focal plane detector directly influences the resolution of an image, and the development of a larger-scale focal plane packaging technology is one of hot spots in fields such as space astronomy and earth observation for a period of time in the future. In order to meet the requirements of large scale, high spatial resolution and high spectral resolution, the three-dimensional splicing structure and the implementation method of the multi-module area array infrared detector can be realized by multi-module splicing integration, and the Wanglaokoukun and the like report that the application number is as follows: 201310325013.1, each detector is designed with an independent mounting substrate, the three-dimensional position precision of the module is adjusted by introducing an adjusting tool from the outside, and finally the module is fixed by glue.
Disclosure of Invention
The utility model aims to provide a focus plane module splicing method that is suitable for that module three-dimensional position precision is adjustable, extensible, convenient replacement for realize the encapsulation of super large scale focus plane array detector, be applicable to the encapsulation of many module detectors such as visible, infrared, be particularly useful for low temperature encapsulation and the occasion that requires height to the detector plane degree.
The terms of directions such as "up", "down", "side", "top", "bottom" and the like in this patent are used for convenience of expression, and any description of connection relation according to the idea of this patent belongs to the protection scope of this patent.
The utility model provides a three-dimensional adjustable detector mosaic structure of modular, includes detector module 1, module base plate 2, mounting substrate 3, cold chain 4, flexible cable 5, connector 6, connecting rod 7, adjusting shim 8, lock nut 9. The splicing structure comprises 2 or more than 2 detector modules 1, the arrangement mode of the detector modules 1 is N multiplied by M array arrangement, N is the number of a row of detector modules 1, M is the number of a column of detector modules 1, each detector module 1 is independently installed on the upper surface of a module substrate 2 through epoxy glue, 3-4 connecting rods 7 are installed below each module substrate 2, each connecting rod 7 firstly penetrates through a central circular hole 8-1 of an adjusting gasket 8 and then penetrates through a mounting hole 3-1 on the mounting substrate 3 and then is fixed through a locking nut 9; one end of a flexible cable 5 is bent into a C shape and fixed on one side of the module substrate 2 and is electrically connected with the detector module 1, and the other end of the flexible cable 5 penetrates through a through hole 3-2 on the mounting substrate 3 and is electrically connected with a connector assembly 6; one end of the cold chain 4 is fixed on a cold chain threaded hole 2-3 on the back surface of the module substrate 2, and the other end passes through a through hole 3-2 on the mounting substrate 3.
The upper surface of the module substrate 2 is flat, 3-4 connecting rod threaded holes 2-1 are dispersedly distributed on the lower surface of the module substrate 2 close to the frame, supporting salient points 2-2 are arranged beside each connecting rod threaded hole 2-1 close to the frame, and 2-4 cold chain threaded holes 2-3 are distributed on the lower surface of the module substrate 2 close to the middle and used for installing cold chains 4.
The upper surface of the mounting substrate 3 is flat, through holes 3-2 with the same number as the detector modules 1 are arranged on the mounting substrate 3, the size of each through hole 3-2 is larger than the sectional size of the connector 6 and the sectional size of the cold chain 4, 3-4 mounting holes 3-1 are distributed beside each through hole 3-2, the inner diameter of each mounting hole 3-1 is slightly larger than the outer diameter of the connecting rod 7, so that the modules can be slightly adjusted in the horizontal direction when being mounted, and the number and the positions of the mounting holes 3-1 are the same as those of the connecting rods 7.
The adjusting gasket 8 is of a non-uniform-thickness continuous adjustable structure, a central round hole 8-1 is formed in the middle, the inner diameter of the central round hole 8-1 is in tight fit with the outer diameter of the connecting rod 7, and 2-8 adjusting holes 8-2 are formed in the side face at equal intervals. The supporting salient points 2-2 on the module substrate 2 are contacted with the adjusting gasket 8, and the height position of the supporting points can be adjusted by rotating the adjusting gasket 8.
The modular three-dimensional adjustable detector splicing structure of the patent has the following three characteristics: firstly, a modular design is adopted, each detector module is provided with an independent module substrate, a cold chain and a cable, and the module screening test is convenient; secondly, the structure can realize the three-dimensional position precision control of the module, realize the horizontal position adjustment of the module by reserving the mounting hole clearance, and realize the flatness control of the module by rotating the continuous adjustable gasket with different thicknesses; the structure module is convenient to replace, when large-scale assembly is integrated, the phenomenon that individual modules are damaged in the assembling process or later application is often found, the structure is finally fixed by adopting a threaded connection, the structure is convenient to detach and replace, and other modules are not influenced.
Drawings
Fig. 1 is an overall effect diagram of the assembly.
FIG. 2 is a block substrate diagram, wherein: (1) partly a bottom view and partly a side view.
Fig. 3 is a plan view of the mounting substrate.
FIG. 4 is a view of a tuning pad, wherein: (1) the part is an effect drawing, and the part (2) is a side view.
The device comprises a detector module 1, a module substrate 2, a mounting substrate 3, a cold chain 4, a flexible cable 5, a connector 6, a connecting rod 7, an adjusting gasket 8, a locking nut 9, a connecting rod threaded hole 2-1, a supporting salient point 2-2, a cold chain threaded hole 2-3, a mounting hole 3-1, a through hole 3-2, a central round hole 8-1 and an adjusting hole 8-2.
The specific implementation mode is as follows:
the patent provides a three-dimensional adjustable detector mosaic structure of modular, as shown in fig. 1-4, including detector module 1, module base plate 2, mounting substrate 3, cold chain 4, flexible cable 5, connector 6, connecting rod 7, adjusting shim 8, lock nut 9. The upper surface of the module substrate 2 is ground to be flat, the flatness is better than 5 micrometers, the detector module 1 is independently installed on the upper surface of one module substrate 2 through epoxy glue, and 3M 4 connecting rod threaded holes 2-1 and 3 supporting salient points 2-2 are distributed on the lower surface of the module substrate 2 near a frame. The diameter of the connecting rod 7 is 4mm, both ends of the connecting rod are in threaded structures, and one end of the connecting rod is in threaded connection with a threaded hole 2-1 of the M4 connecting rod. One end of the flexible cable 5 is bent into a C shape and is fixed on one side of the module substrate 2 through epoxy glue, the C shape is electrically connected with the detector module 1 through gold wire ball bonding, the other end of the flexible cable 5 is connected with a connector 6, and the section size of the connector 6 is 25mm multiplied by 9 mm. The middle area of the lower surface of the module base plate 2 is provided with 2M 3 cold chain threaded holes 2-3, the cross-sectional dimension of the cold chain 4 is 20 multiplied by 3mm, and the cold chain is connected with the module base plate 2 through 2M 3 screws, so that 1 modular structure is formed. In the embodiment, the scale of the assembly is 3 multiplied by 3, the upper surface of the mounting substrate 3 is ground to be flat, the flatness is better than 10 mu m, 9 through holes 3-2 are arranged in the middle, the size of each through hole 3-2 is 28mm multiplied by 12mm, 3 mounting holes 3-1 are distributed beside each through hole 3-2, the inner diameter of each mounting hole 3-1 is 4.5mm, and the module can be slightly adjusted in the horizontal direction during mounting. The installation of 1 modular structure is firstly carried out, 3 connecting rods 7 firstly pass through central round holes 8-1 of 3 adjusting gaskets 8 respectively and then pass through mounting holes 3-1 on a mounting substrate 3 to be assembled on the mounting substrate 3, the adjusting gaskets 8 are of unequal-thickness structures, the thinnest part is 2mm, the thickest part is 2.3mm, the adjustment of the height and the horizontal position of a module is realized by rotating and translating the adjusting gaskets 8, after the adjustment is finished, the adjusting gaskets 8 are fixed with the mounting substrate 3 by epoxy glue and then fixed by locking nuts 9. Then, the other 8 modular structures are sequentially installed and fixed according to the method.
Claims (4)
1. A modular three-dimensional adjustable detector splicing structure comprises a detector module (1), a module substrate (2), a mounting substrate (3), a cold chain (4), a flexible cable (5), a connector assembly (6), a connecting rod (7), an adjusting gasket (8) and a locking nut (9); the method is characterized in that: the splicing structure comprises 2 or more than 2 detector modules (1), the arrangement mode of the detector modules (1) is N multiplied by M array arrangement, N is the number of a row of detector modules (1), M is the number of a column of detector modules (1), each detector module (1) is independently installed on the upper surface of a module substrate (2) through epoxy glue, 3-4 connecting rods (7) are installed below each module substrate (2), each connecting rod (7) firstly penetrates through a central round hole (8-1) of an adjusting gasket (8) and then penetrates through a mounting hole (3-1) in the mounting substrate (3) and then is fixed through a locking nut (9); one end of the flexible cable (5) is bent into a C shape and fixed on one side of the module substrate (2) and is electrically connected with the detector module (1), and the other end of the flexible cable (5) penetrates through a through hole (3-2) on the mounting substrate (3) and is electrically connected with the connector assembly (6); one end of the cold chain (4) is fixed on a cold chain threaded hole (2-3) on the back surface of the module substrate (2), and the other end of the cold chain passes through a through hole (3-2) on the installation substrate (3).
2. The modular three-dimensional adjustable detector splicing structure of claim 1, wherein: the upper surface of the module substrate (2) is flat, 3-4 connecting rod threaded holes (2-1) are dispersedly distributed on the lower surface of the module substrate (2) close to the frame, supporting salient points (2-2) are arranged beside each connecting rod threaded hole (2-1) close to the frame, and 2-4 cold chain threaded holes (2-3) are distributed on the lower surface of the module substrate (2) close to the middle.
3. The modular three-dimensional adjustable detector splicing structure of claim 1, wherein: the mounting substrate (3) upper surface level and smooth, be provided with through-hole (3-2) unanimous with detector module (1) quantity on mounting substrate (3), through-hole (3-2) size should be greater than the cross sectional dimension of connector (6) and the cross sectional dimension of cold chain (4), 3 ~ 4 mounting holes (3-1) have been distributed to every through-hole (3-2) next door, the mounting hole (3-1) internal diameter should slightly be greater than connecting rod (7) external diameter, the quantity and the position of mounting hole (3-1) are unanimous with connecting rod (7).
4. The modular three-dimensional adjustable detector splicing structure of claim 1, wherein: the adjusting gasket (8) is of a non-uniform-thickness continuous adjustable structure, a central round hole (8-1) is formed in the middle of the adjusting gasket, the inner diameter of the central round hole (8-1) is in tight fit with the outer diameter of the connecting rod (7), and 2-8 adjusting holes (8-2) are formed in the side face at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001641.0U CN215374216U (en) | 2021-05-12 | 2021-05-12 | Modular three-dimensional adjustable detector splicing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001641.0U CN215374216U (en) | 2021-05-12 | 2021-05-12 | Modular three-dimensional adjustable detector splicing structure |
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| Publication Number | Publication Date |
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| CN215374216U true CN215374216U (en) | 2021-12-31 |
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