cagire – preliminary mechanical design –0806 2010 · cagire – preliminary mechanical design...
TRANSCRIPT
![Page 1: CAGIRE – Preliminary mechanical design –0806 2010 · CAGIRE – Preliminary mechanical design –08‐06‐2010 Not shown / to be done: •Cables forfor HKHK , heatersheaters](https://reader034.vdocuments.mx/reader034/viewer/2022052004/601840c783783c7ae270e8c5/html5/thumbnails/1.jpg)
CAGIRE – Preliminary mechanical design – 08‐06‐2010
RequirementsRequirementsCooling system with cryocooler machine
T° @ detector : 130/140°K (TBC) during 6 monthsVacuum : pumping station & getter (ion pump)
P<1E 3 mbar during 6 months (no active pumping)P<1E‐3 mbar during 6 months (no active pumping)
Mechanical:Total mechanical parts : 15kg ± 5kg TBCCryocooler machine : 10kgCryocooler machine : 10kg
TOTAL MASS : 25kg TBC
Dynamic :The center of detector focal plane and the cryostat’s inertia axes are aligned with the center of gravity of cryostat
alignment with telescope focal planedynamic behavior
![Page 2: CAGIRE – Preliminary mechanical design –0806 2010 · CAGIRE – Preliminary mechanical design –08‐06‐2010 Not shown / to be done: •Cables forfor HKHK , heatersheaters](https://reader034.vdocuments.mx/reader034/viewer/2022052004/601840c783783c7ae270e8c5/html5/thumbnails/2.jpg)
Cryostattop housing
Thermal housing
Detector and cryoboard asssembly
Data, heater and HK Interface
Cryostatbottom chamber
CryocoolerRicor K535
Cryostat window
Vacuum elementsc onnections
Exploded view of cryostat
![Page 3: CAGIRE – Preliminary mechanical design –0806 2010 · CAGIRE – Preliminary mechanical design –08‐06‐2010 Not shown / to be done: •Cables forfor HKHK , heatersheaters](https://reader034.vdocuments.mx/reader034/viewer/2022052004/601840c783783c7ae270e8c5/html5/thumbnails/3.jpg)
Cut view of CAGIRE CRYOSTAT
Insulating feet baseplate
Thermal housing
OFHC cold head interface
Cryocooler col head
![Page 4: CAGIRE – Preliminary mechanical design –0806 2010 · CAGIRE – Preliminary mechanical design –08‐06‐2010 Not shown / to be done: •Cables forfor HKHK , heatersheaters](https://reader034.vdocuments.mx/reader034/viewer/2022052004/601840c783783c7ae270e8c5/html5/thumbnails/4.jpg)
Detector and cryoboard assembly (with housings)
Detector housings
Cryoboardhousings
Detector OFHC thermal strap
Cryoboard OFHC thermal strap
Epoxy insulatingcryoboard feet
Epoxy insulatingdetector feet
![Page 5: CAGIRE – Preliminary mechanical design –0806 2010 · CAGIRE – Preliminary mechanical design –08‐06‐2010 Not shown / to be done: •Cables forfor HKHK , heatersheaters](https://reader034.vdocuments.mx/reader034/viewer/2022052004/601840c783783c7ae270e8c5/html5/thumbnails/5.jpg)
F1 FLEX
Detector and cryoboard assembly
Detector baseplate (molydenum)
(1.6’’ length)
Cryoboard thermal strapconnected on cryoboard
F2 Flex(15’’ length)
Cryoboardbaseplate
detector thermal strapdetector thermal strapconnected on detector baseplate
Two separated mountings:One isolated mounting for detectorOne isolated mounting for cryoboard assemblyNo contact between the two mountings excepted Flex F1
Two separated thermal regulation
![Page 6: CAGIRE – Preliminary mechanical design –0806 2010 · CAGIRE – Preliminary mechanical design –08‐06‐2010 Not shown / to be done: •Cables forfor HKHK , heatersheaters](https://reader034.vdocuments.mx/reader034/viewer/2022052004/601840c783783c7ae270e8c5/html5/thumbnails/6.jpg)
CAGIRE – Preliminary mechanical design – 08‐06‐2010
Not shown / to be done:
•Cables for HK heaters warm up•Cables for HK , heaters, warm‐up•Heater & warm up•Interface board for hermetic flange connection (Hirose connector to XAVAC 104 High density)•Hermetic flange (drawing delivered by subcontractor)•External electronic board interface, mounting & connections•Vacuum system elements connections and identification•F2 flex cable retainer (for thermal insulation)•Screws sealing joints•Screws, sealing, joints,…•Others.