CN114442405B - FXT focusing camera integral structure - Google Patents
FXT focusing camera integral structure Download PDFInfo
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- CN114442405B CN114442405B CN202210106819.0A CN202210106819A CN114442405B CN 114442405 B CN114442405 B CN 114442405B CN 202210106819 A CN202210106819 A CN 202210106819A CN 114442405 B CN114442405 B CN 114442405B
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- 229910052790 beryllium Inorganic materials 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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Classifications
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- 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
- G03B17/56—Accessories
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- 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
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
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- General Physics & Mathematics (AREA)
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Abstract
The FXT focusing camera integral structure belongs to the technical field of space astronomical observation, and comprises an FXT focusing camera integral tool, an FXT focusing camera bracket arranged in the FXT focusing camera integral tool, and an FXT focusing camera arranged in the FXT focusing camera bracket; the FXT focus camera includes an optical focus system and a detector system; the optical focusing systems are arranged in parallel; each set of optical focusing system comprises an anti-pollution cylinder, the upper port of the anti-pollution cylinder is connected with the upper port of the focusing camera bracket, and the lower port of the anti-pollution cylinder is connected with the lower port of the focusing camera bracket; an upper end component is arranged at the upper port of the focusing camera bracket, and a lower end component is arranged at the lower port; a detector cabinet is arranged below the lower end component. The invention solves the problems that the integration assembly structure stability and the installation precision of the existing FXT focusing camera are poor, reliable support can not be provided for the FXT focusing camera, and the observation precision of the FXT focusing camera is poor.
Description
Technical Field
The invention belongs to the technical field of space astronomical observation, and particularly relates to an FXT focusing camera integral structure.
Background
EP is an astronomical probe satellite for future time domain astronomy and high energy astronomical physics. The method aims at carrying out deep large-view soft X-ray whole-day monitoring, finding and detecting various known and unknown sudden temporary appearance/outbreak celestial bodies and events in the universe, and issuing an alarm to guide satellite-borne equipment and other space and ground telescopes at home and abroad to carry out subsequent observation.
The main scientific targets of EP satellites are: (1) finding X-ray sharp celestial bodies in universe; the activity of known celestial bodies is monitored, and the nature and physical mechanism of related phenomena are explored. (2) finding and exploring the flare of silent black holes in the universe; the distribution of black holes is mapped, and the origin, evolution and material accumulation process are further understood. (3) X-ray signals from gravitational wave sources are sought to improve knowledge of extremely dense celestial bodies and their merging processes.
The payload of EP satellites includes a large field of view (3600 square) soft X-ray (0.5-4 keV) monitor (WXT) and a depth of field of view of about 38 degrees followed by an X-ray telescope (FXT).
FXT is used for carrying out depth follow-up observation on a transient source discovered by WXT at the first time and unfolding observation on the opportunity targets discovered by other devices.
However, the existing FXT focusing camera has poor stability and installation precision of an integrated assembly structure, and cannot provide reliable support for the FXT focusing camera, so that the observation precision of the FXT focusing camera is poor.
Disclosure of Invention
The present invention is directed to an overall FXT focus camera architecture that solves the above-mentioned problems set forth in the background art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the FXT focusing camera integral structure comprises an FXT focusing camera integral tool, an FXT focusing camera bracket arranged in the FXT focusing camera integral tool and an FXT focusing camera arranged in the FXT focusing camera bracket; the FXT focus camera includes an optical focus system and a detector system; the optical focusing systems are arranged in parallel; each set of optical focusing system comprises an anti-pollution cylinder, the upper port of the anti-pollution cylinder is connected with the upper port of the focusing camera bracket, and the lower port of the anti-pollution cylinder is connected with the lower port of the focusing camera bracket; an upper end component is arranged at the upper port of the focusing camera bracket, and a lower end component is arranged at the lower port; a detector cabinet is arranged below the lower end component.
The FXT focusing camera integral integrated tool is integrally of a rectangular frame structure with a small upper part and a large lower part, and comprises a rectangular top frame, a rectangular middle frame, a rectangular bottom frame, side bars connected between corresponding angular points of the rectangular top frame, the rectangular middle frame and the rectangular bottom frame, upper diagonal braces connected between the rectangular top frame and the side bars, lower diagonal braces connected between the rectangular bottom frame and the side bars, connecting plates connected at four corners of the bottom surface of the rectangular bottom frame, supporting legs welded at the bottom surface of the connecting plates, and a rectangular clamping frame connected at the top surface of the rectangular top frame.
Further preferred technical scheme: the FXT focusing camera support comprises a rectangular upper top plate and a rectangular lower bottom plate, a main column connected between corresponding angular points of the rectangular upper top plate and the rectangular lower bottom plate, a short-side inclined rod connected between short-side sides of the rectangular upper top plate and the rectangular lower bottom plate, a splayed rod connected between long-side sides of the rectangular upper top plate and the rectangular lower bottom plate, and a fork rod connected between middle parts of the rectangular upper top plate and the rectangular lower bottom plate; the size of the rectangular upper top plate is larger than that of the rectangular lower bottom plate.
Further preferred technical scheme: the FXT focusing camera bracket is erected in the FXT focusing camera integral tool, a pair of short sides of the rectangular upper top plate are supported by a pair of rectangular clamping ribs on the rectangular clamping frame, and a pair of rectangular clamping edges on a pair of long sides of the rectangular upper top plate are correspondingly clamped in a pair of rectangular bayonets on the rectangular clamping frame.
Further preferred technical scheme: the anti-pollution cylinder is of a cylindrical structure with a big upper part and a small lower part; the upper opening of the anti-pollution cylinder is connected with the rectangular upper top plate of the FXT focusing camera bracket through a flange, and the lower opening of the anti-pollution cylinder is connected with the rectangular lower bottom plate of the FXT focusing camera bracket through a flange.
Further preferred technical scheme: the upper end assembly comprises an electronic deflector assembly, the electronic deflector assembly is arranged on the lower surface of a focusing camera reference flange, the electronic deflector assembly and the focusing camera reference flange are integrally arranged in an upper end assembly supporting tool, a focusing mirror is arranged on the upper surface of the focusing camera reference flange, a shading barrel assembly is covered on the focusing mirror, and a collimator is arranged at the top of the focusing mirror in a thermal decoupling mode.
Further preferred technical scheme: the shading barrel component comprises a shading barrel and a shading overturning mechanism.
Further preferred technical scheme: the lower end assembly comprises a filtering rotating wheel, a detector box arranged below the filtering rotating wheel, and a refrigerator connected with the detector box through a cold finger cold head.
Further preferred technical scheme: an upper heat insulation pad is arranged above the filtering rotating wheel, and a rubbing pad and an adapter flange are sequentially arranged below the filtering rotating wheel.
Further preferred technical scheme: the refrigerator comprises a compressor and a shell wrapped outside the compressor.
Further preferred technical scheme: the FXT focusing camera support is provided with a detector case support bracket; the detector case support bracket comprises a rectangular support plate, hanging rods connected to four corners of the support plate, and a connecting plate connected between a pair of hanging rods located on the same side.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
1, through setting the FXT focusing camera integral integrating tool and the FXT focusing camera bracket, the FXT focusing camera is stably and reliably supported, the integral assembly precision of the FXT focusing camera is improved, and the use precision of the FXT focusing camera is further improved.
2, the FXT focusing camera is provided with a plurality of movement mechanisms, and the integral complexity and reliability of the integral structure of the FXT focusing camera are ensured by arranging the integral tool of the FXT focusing camera and the FXT focusing camera bracket.
And 3, the invention effectively supports the detector case by arranging the detector case support bracket.
The invention is provided with the anti-pollution cylinder, can meet the severe anti-pollution requirement of a system, and solves the problem of complex anti-pollution control measures in the prior art.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an FXT focus camera of the invention.
FIG. 2 is a schematic diagram of the connection of an FXT focus camera to an FXT focus camera cradle in accordance with the invention.
FIG. 3 is a schematic diagram of an FXT focus camera monolithic integration tool in accordance with the invention.
FIG. 4 is a schematic view of an FXT focus camera rig of the invention.
Fig. 5 is a schematic view of an anti-contamination cartridge of the present invention.
Fig. 6 is a schematic diagram of the upper end assembly of the present invention.
FIG. 7 is a second schematic diagram of the upper end assembly of the present invention.
Fig. 8 is an assembly flow chart of the upper end assembly of the present invention.
Fig. 9 is a schematic view of the lower end assembly of the present invention.
Fig. 10 is an exploded view of the lower end assembly of the present invention.
Reference numerals:
1-FXT focusing camera integral integrated tool, 2-FXT focusing camera bracket, 3-anti-pollution cylinder, 4-upper end component, 5-lower end component, 6-detector case, 7-detector case support bracket,
1.1-rectangular top frame, 1.2-rectangular middle frame, 1.3-rectangular bottom frame, 1.4-side bar, 1.5-upper diagonal brace, 1.6-lower diagonal brace, 1.7-connecting plate, 1.8-supporting leg, 1.9-rectangular clamping frame, 1.10-protecting piece, 1.11-castor, and,
2.1-rectangular upper top plate, 2.2-rectangular lower bottom plate, 2.3-main column, 2.4-short side diagonal bar, 2.5-splayed bar, 2.6-fork bar,
4.1-electronic deflector component, 4.2-focusing camera reference flange, 4.3-upper end component supporting tool, 4.4-focusing lens, 4.5-shading barrel component,
5.1-filtering rotating wheel, 5.2-detector box, 5.3-refrigerator, 5.4-upper heat-insulating pad, 5.5-rubbing pad and 5.6-adapting flange.
Detailed Description
Referring to fig. 1 to 10, the FXT focus camera overall structure of the present invention includes an FXT focus camera overall integrated fixture 1, an FXT focus camera bracket 2 installed in the FXT focus camera overall integrated fixture 1, and an FXT focus camera installed in the FXT focus camera bracket 2; the FXT focus camera includes an optical focus system and a detector system; the optical focusing systems are arranged in parallel; each optical focusing system comprises an anti-pollution barrel 3, an upper end assembly 4 and an upper port of the anti-pollution barrel 3 are arranged at the upper port of the focusing camera support 2, a lower end assembly 5 and a lower port of the anti-pollution barrel 3 are arranged at the lower port of the focusing camera support 2, and a detector case 6 is arranged below the lower end assembly 5.
The center-to-center distance between the two sets of optical focusing systems is 583mm; to achieve a focal length of 1.6 meters, the upper and lower end assemblies are integrally supported by an FXT focus camera support of approximately 1.3 meters.
The FXT focusing camera integral integrated tool 1 is of a rectangular frame structure with a small upper part and a large lower part, and comprises a rectangular top frame 1.1, a rectangular middle frame 1.2, a rectangular bottom frame 1.3, side bars 1.4 connected between corresponding angular points of the rectangular top frame, the rectangular middle frame and the rectangular bottom frame, an upper diagonal bracing 1.5 connected between the rectangular top frame and the side bars, a lower diagonal bracing 1.6 connected between the rectangular bottom frame and the side bars, connecting plates 1.7 connected to four corners of the bottom surface of the rectangular bottom frame, supporting legs 1.8 welded to the bottom surface of the connecting plates 1.7 and rectangular clamping frames 1.9 connected to the top surface of the rectangular top frame.
The middle parts of four sides of the rectangular bottom frame 1.3 are respectively connected with a trundle 1.11.
The connecting plate 1.7 is a regular triangle plate body, and a pair of perforations are spaced apart from the inner side of the connecting plate 1.7; the supporting legs 1.8 are welded on the outer side of the bottom surface of the connecting plate.
The supporting leg 1.8 comprises a vertical rod and a bottom bracket sleeved at the bottom end of the vertical rod; the bottom support is circular, the top surface is provided with a sleeve, and the sleeve is sleeved with the vertical rod; the periphery of the bottom support is provided with a circle of anti-slip teeth.
A pair of rectangular clamping ribs protruding outwards are arranged in the middle of the inner sides of the pair of long sides of the rectangular clamping frame 1.9.
The FXT focusing camera integral integrated tool 1 is characterized in that a protecting piece 1.10 is arranged at a connecting node between all components, and the protecting piece 1.10 is a straight plate, a three-dimensional L-shaped plate or a flat L-shaped plate according to different specific connecting positions.
The FXT focusing camera support 2 comprises a rectangular upper top plate 2.1, a rectangular lower bottom plate 2.2, a main column 2.3 connected between corresponding angular points of the rectangular upper top plate and the rectangular lower bottom plate, a short-side diagonal bar 2.4 connected between short-side sides of the rectangular upper top plate and the rectangular lower bottom plate, a splayed bar 2.5 connected between long-side sides of the rectangular upper top plate and the rectangular lower bottom plate, and a fork bar 2.6 connected between middle parts of the rectangular upper top plate and the rectangular lower bottom plate; the size of the rectangular upper top plate 2.1 is larger than the size of the rectangular lower bottom plate 2.2.
A pair of round upper frame vertical holes are formed in the rectangular upper top plate 2.1, a bracket upper flange is arranged on the inner ring of each upper frame vertical hole, and a pair of rectangular clamping edges are arranged in the middle of the long side of the rectangular upper top plate 2.1; a pair of round lower frame vertical holes are formed in the rectangular lower bottom plate, and a bracket lower flange is arranged on the inner ring of each lower frame vertical hole; the diameter of the upper stand upright hole is larger than that of the lower stand upright hole; the circle centers of the upper frame vertical hole and the lower frame vertical hole at corresponding positions are collinear.
The FXT focusing camera support 2 is an integral support structure of the FXT focusing camera and mainly aims to realize the focal length of FXT load of 1.6 meters and ensure the alignment precision between a focusing mirror and a pn-CCD detector.
The FXT focusing camera integral integrated tool 1 is connected with the FXT focusing camera support 2, the FXT focusing camera support 2 is erected in the FXT focusing camera integral integrated tool 1, a pair of short sides of the rectangular upper top plate 2.1 are supported by a pair of rectangular clamping ribs on the rectangular clamping frame 1.9, and a pair of rectangular clamping edges on a pair of long sides of the rectangular upper top plate 2.1 are correspondingly clamped in a pair of rectangular clamping openings on the rectangular clamping frame 1.9.
The anti-pollution cylinder 3 is of a cylindrical structure with a big upper part and a small lower part; the upper opening of the anti-pollution cylinder 3 is provided with an upper clamping edge which is bent outwards horizontally, and the lower opening is provided with a lower clamping edge which is bent outwards horizontally.
The anti-pollution cylinder 3 is connected with the FXT focusing camera support 2, the upper port of the anti-pollution cylinder 3 is connected with the inner mounting interface of the upper flange of the FXT focusing camera support 2, the electronic deflector component 4.1 is integrally coated, the lower end of the anti-pollution cylinder 3 is connected with the inner mounting interface of the lower flange of the FXT focusing camera support 2, and the anti-pollution cylinder is integrally positioned right above the filtering rotating wheel.
The upper end assembly 4 comprises an electronic deflector assembly 4.1, the electronic deflector assembly 4.1 is arranged on the lower surface of a focusing camera reference flange 4.2, a focusing lens 4.4 is arranged on the upper surface of the focusing camera reference flange 4.2, a shading barrel assembly 4.5 is covered on the focusing lens 4.4, and a collimator is arranged at the top of the focusing lens 4.4 in a thermal decoupling manner; the entire upper end assembly 4 is connected to the upper surface of the upper flange of the FXT focus camera support 2 by a focus camera reference flange 4.2.
The upper end assembly 4 provides a mounting interface for the star sensor.
The electronic deflector assembly 4.1 comprises an electronic deflector support and an electronic deflector mounted on the electronic deflector support.
The shading cylinder assembly 4.5 comprises a shading cylinder and a shading turnover mechanism; the shading barrel component 4.5 has the functions of shading, dust-proof protection, installation of a shading turnover mechanism, star-sensitive installation interface and the like.
Connection of upper end assembly 4 to FXT focus camera support 2 upper end assembly 4 is connected to FXT focus camera support 2 by focus camera reference flange 4.2 and is fixed by fasteners.
The lower end assembly 5 comprises a filtering rotating wheel 5.1, a detector box 5.2 arranged below the filtering rotating wheel 5.1, and a refrigerator 5.3 connected with the detector box 5.2 through a cold finger cold head, wherein a nitrogen pipeline is used for protecting the detector from nitrogen blowing.
An upper heat insulation pad 5.4 is arranged above the filtering rotating wheel 5.1, and a rubbing pad, a rubbing pad 5.5 and an adapter flange 5.6 are sequentially arranged below the filtering rotating wheel 5.1; the filter wheel 5.1 is connected to the detector housing 5.2 and the refrigerator 5.3 via an adapter flange 5.6.
The detector box 5.2 comprises a shielding box, a focal plane detector box and a light limiting valve; the shielding box comprises an upper cover, a bottom frame, a flexible board fixing clamp, various plugs, a triangular support frame and the like; the focal plane detector box comprises a detector mounting box, and the pn-CCD detector is mounted in the detector mounting box; the light limiting valve comprises a bracket, a beryllium shield and an aluminum shield.
The detector box 5.2 comprises a shielding box, a focal plane detector box and a light limiting valve, and mainly has the function of mounting a pn-CCD detector and provides good space force, heat and physical environment.
The shielding box in the detector box 5.2 is used for shielding charged particles and dispersing X-ray background, so that the instrument background can be effectively reduced, and the irradiation damage of the detector can be reduced, therefore, the requirements on material selection and processing precision are very high; the shielding box is arranged right below the filtering rotating wheel through the adapter flange, and a detector mounting box is arranged in the shielding box; and meanwhile, the long side of the shielding box extends out of the flexible circuit board to be connected with the detector case, and a nitrogen pipeline interface is arranged on the side wall of the shielding box.
Design inputs of the shielding box in the detector box 5.2: 1, polishing and gold plating the inner surface of the shielding box, wherein the surface roughness is required to be 0.8um;2, the outer surface of the detector mounting box which is internally mounted also needs gold plating, and the inner surface is blackened; 3, shielding the box environment temperature to minus 25 ℃ to minus 40 ℃;4, the working temperature of the pn-CCD detector is-90 ℃;5, the shielding box and the detector mounting box are installed in a heat-insulating way; 6, the total length of the flexible circuit board is 250mm; and 7, enabling the cold end of the cold finger of the refrigerator to pass through the shielding box and be connected with the detector mounting box.
Structural design of shielding box in detector box 5.2: the shielding box comprises an upper cover, a bottom frame, a flexible board fixing clamp, various plugs, a triangular support frame and the like; the main function of the detector is to install a focal plane detector box, provide shielded physical environment for a pn-CCD detector, and seal the detector with an adapter flange, so that the detector can realize shielding, pollution prevention and refrigeration link supply; the detector mounting box is mounted on the upper cover of the shielding box through 4 polyimide triangular brackets, and a light limiting valve is arranged right above the detector and comprises a bracket, beryllium shielding and aluminum shielding.
In order to realize better shielding and weight reduction, the shielding box in the detector box 5.2 has the outer contour of 178mm multiplied by 154mm multiplied by 70mm, the upper cover of the shielding box is thickest 39mm, the bottom frame is thickest at 20mm at the bottom of the detector, 13mm at the periphery and thinnest 8mm, and the outer contour of the shielding box is gradually thinned from the center to the edge. Oxygen-free copper is selected as a material; the inner surface is polished and gold plated.
A focal plane detector box in the detector box 5.2, the focal plane detector box comprising a detector mounting box; the detector mounting box is mainly used for mounting pn-CCD detectors.
The focal plane detector box in the detector box 5.2 is arranged in close contact with the upper cover of the detector mounting box at the cold end of the cold finger in order to realize accurate cooling of the pn-CCD detector; the detector mounting box is made of aluminum alloy, the cold head is made of titanium alloy, the design is completely consistent, negative tolerance assembly is realized, and the detector mounting box is in close contact with the cold head by different thermal expansion coefficients under the state of thermal expansion and cold contraction, so that a good thermal path between the refrigerator and the pn-CCD detector is ensured.
Integral assembly of the detector box 5.2: because the shielding box is assembled and coupled with the refrigerator, once the bottom frame of the shielding box is installed, the cold head of the refrigerator cannot be installed, so that the installation of the shielding box with the switching flange of the shielding box and the refrigerator is finished, the whole box cover of the shielding box is carried out, and finally the installation of the shielding box with the filtering rotating wheel is finished, so that the whole assembly of the detector box is finished.
The refrigerator 5.3 comprises a compressor and a housing which is wrapped around the compressor.
The refrigerator 5.3 is tightly arranged with the detector mounting box by the cold finger cold end penetrating through the side wall of the shielding box, so as to realize the heat control requirement of the detector at-90 ℃.
The filtering rotating wheel 5.1, the detector box 5.2 and the refrigerator 5.3 are connected; the top surface of the detector box 5.2 is connected with the filtering rotating wheel 5.1 through an adapter flange; the inner end of the detector box 5.2 is communicated with the refrigerator 5.3 through a cold finger cold head, in particular to the cold finger cold head of the refrigerator 5.3 is communicated with the side wall of the upper cover of the focal plane detector box of the detector box 5.2; the outer end of the detector box 5.2 is connected with the detector case 6 through a flexible circuit board, in particular to a pn-CCD detector which is arranged in the detector mounting box, and one end of the detector box extends out of the flexible circuit board and is inserted with the FXT detector case.
The lower end component 5 is connected with the FXT focusing camera support 2, and the filtering rotating wheel 5.1 of the lower end component 5 is installed on the lower surface of the support lower flange of the FXT focusing camera support 2 in a heat-insulating way through an upper heat-insulating pad 5.4, so that 6 working conditions of filters with different thicknesses, radioactive sources, full shielding and the like can be switched.
A detector case support bracket 7 is arranged on the rectangular lower bottom plate 2.2 of the FXT focusing camera support 2; the detector case support bracket 7 includes a rectangular support plate, hanger rods connected to four corners of the support plate, and a connection plate connected between a pair of hanger rods located on the same side.
The bearing plate is a rectangular hollowed-out plate frame; the connecting plate comprises a triangular hollowed-out plate frame and a U-shaped clamping groove connected to the top end of the triangular hollowed-out plate frame, and the U-shaped clamping groove is clamped on the long edge of the rectangular lower bottom plate 2.2.
The detector cabinet 6 is placed on a support plate, and is supported by the support plate.
And a focal length measuring instrument is assembled between the upper end assembly 4 and the lower end assembly 5, the focal length measuring instrument is used in the assembly process, the distance between the optical axis of the focusing lens and the upper surface of the detector is measured, the focal length value of 1600mm is ensured, and then the rubbing pad is rubbed, so that the accuracy index of the integral focal length value of the focal length camera is ensured.
The invention relates to an assembly flow of an FXT focusing camera integral structure, which comprises the following steps:
in the following steps, the time in parentheses is the operation duration of the step, and in example M2, (1 day) means that the operation duration of the step is one day.
M1, (T0), the FXT support structure is manufactured in the technical institute, and the FXT support structure comprises mounting interfaces of an upper end assembly and a lower end assembly and also comprises a mounting interface of an anti-pollution cylinder.
M2, (1 day), FXT supporting structure and FXT upper and lower end installation interface cotter hole are matched and punched, cleaned and packed into a thousand-level clean room.
M3, (1 day), FXT support structure, anti-contamination cartridge and integral tooling assembly.
M4, (1 day), hoisting gauge and fixing with the electronic deflector flange, and fitting the upper end assembly and the lower end assembly.
M5, (1 day after bottoming), the focusing lens and the detector box are assembled in trial, and the normal temperature focal length calibration value is measured.
M6, (0.5 day), the focusing mirror and detector cassette are disassembled and the focus gauge is removed.
M7, (1 day), the rubbing pad is rubbed.
M8, (0.5), an electronic deflector is mounted.
M9, (0.5 day), a focusing mirror (2 sets) was mounted.
M10, (1 day), a shading cylinder, a heat insulation film and a sunshade overturning mechanism (2 sets) are arranged.
M11, (0.5 day), the detector cassette (2 sets) was installed.
M12, (0.5 day), test-loading the detector cabinet.
M13, (0.5 day), thermal implementation, mechanical measurement point cable lead, fixing.
M14, (0.5 day), all connections were checked for a normal nitrogen line test connection.
M15, (1 day) fine measurement.
M16, (0.5 day) day, dial out other flexible connections, switch on 2 nitrogen protection pipelines.
M17, (2 days), the FXT camera is detached from the tool, lifted and placed into a packaging box, and nitrogen is introduced for protection.
M18, (1 day), FXT focusing camera packing box loading, whole binding, nitrogen pipeline communication, grounding and other protection in place.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
- FXT focus camera overall structure, its characterized in that: the FXT focusing camera integrated tool comprises an FXT focusing camera integrated tool body (1), an FXT focusing camera bracket (2) arranged in the FXT focusing camera integrated tool body (1) and an FXT focusing camera arranged in the FXT focusing camera bracket (2); the FXT focus camera includes an optical focus system and a detector system; the optical focusing systems are arranged in parallel; each set of optical focusing system comprises an anti-pollution cylinder (3), the upper port of the anti-pollution cylinder (3) is connected with the upper port of the focusing camera bracket (2), and the lower port is connected with the lower port of the focusing camera bracket (2); an upper end component (4) is arranged at the upper port of the focusing camera bracket (2), and a lower end component (5) is arranged at the lower port; a detector case (6) is arranged below the lower end assembly (5);the FXT focusing camera integral integrated tool (1) is of a rectangular frame structure with a small upper part and a large lower part, and comprises a rectangular top frame (1.1), a rectangular middle frame (1.2) and a rectangular bottom frame (1.3), side rods (1.4) connected between corresponding angular points of the rectangular top frame, the rectangular middle frame and the rectangular bottom frame, an upper inclined strut (1.5) connected between the rectangular top frame and the side rods, a lower inclined strut (1.6) connected between the rectangular bottom frame and the side rods, connecting plates (1.7) connected to four corners of the bottom surface of the rectangular bottom frame, supporting legs (1.8) welded to the bottom surface of the connecting plates (1.7) and rectangular clamping frames (1.9) connected to the top surface of the rectangular top frame; the FXT focusing camera integral integrating tool (1) is characterized in that a protecting piece (1.10) is arranged at a connecting node between all components, and the protecting piece (1.10) is a straight plate, a three-dimensional L-shaped plate or a flat-plate L-shaped plate according to different specific connecting positions;a pair of inward concave rectangular bayonets are arranged at the middle parts of the inner sides of a pair of long sides of the rectangular clamping frame (1.9), and a pair of outward convex rectangular clamping ribs are arranged at the middle parts of the inner sides of a pair of short sides;a detector case support bracket (7) is arranged on the FXT focusing camera support (2); the detector case support bracket (7) comprises a rectangular support plate, hanging rods connected to four corners of the support plate, and a connecting plate connected between a pair of hanging rods positioned on the same side; the bearing plate is a rectangular hollowed-out plate frame; the connecting plate comprises a triangular hollowed-out plate frame and a U-shaped clamping groove connected to the top end of the triangular hollowed-out plate frame, and the U-shaped clamping groove is clamped on the long edge of the rectangular lower bottom plate (2.2); the detector case (6) is placed on the bearing plate and is supported by the bearing plate; the FXT focusing camera support (2) comprises a rectangular upper top plate (2.1) and a rectangular lower bottom plate (2.2), a main column (2.3) connected between corresponding corner points of the rectangular upper top plate and the rectangular lower bottom plate, a short-side inclined rod (2.4) connected between short-side sides of the rectangular upper top plate and the rectangular lower bottom plate, a splayed rod (2.5) connected between long-side sides of the rectangular upper top plate and the rectangular lower bottom plate, and a fork rod (2.6) connected between middle parts of the rectangular upper top plate and the rectangular lower bottom plate; the size of the rectangular upper top plate (2.1) is larger than that of the rectangular lower bottom plate (2.2);a pair of round upper frame vertical holes are formed in the rectangular upper top plate (2.1), a bracket upper flange is arranged on the inner ring of each upper frame vertical hole, and a pair of rectangular clamping edges are arranged in the middle of the long edge of the rectangular upper top plate (2.1); a pair of round lower frame vertical holes are formed in the rectangular lower bottom plate, and a bracket lower flange is arranged on the inner ring of each lower frame vertical hole; the diameter of the upper stand upright hole is larger than that of the lower stand upright hole; the circle centers of the upper frame vertical hole and the lower frame vertical hole at corresponding positions are collinear;the FXT focusing camera bracket (2) is erected in the FXT focusing camera integral tool (1), a pair of short sides of the rectangular upper top plate (2.1) are supported by a pair of rectangular clamping ribs on the rectangular clamping frame (1.9), and a pair of rectangular clamping edges on a pair of long sides of the rectangular upper top plate (2.1) are correspondingly clamped in a pair of rectangular bayonets on the rectangular clamping frame (1.9).
- 2. The FXT focus camera overall structure of claim 1, wherein: the anti-pollution cylinder (3) is of a cylindrical structure with a big upper part and a small lower part;the upper opening of the anti-pollution cylinder (3) is connected with a rectangular upper top plate (2.1) of the FXT focusing camera support (2) through a flange, and the lower opening of the anti-pollution cylinder (3) is connected with a rectangular lower bottom plate (2.2) of the FXT focusing camera support (2) through a flange.
- 3. The FXT focus camera overall structure of claim 1, wherein: the upper end assembly (4) comprises an electronic deflector assembly (4.1), the electronic deflector assembly (4.1) is arranged on the lower surface of the focusing camera reference flange (4.2), the electronic deflector assembly (4.1) and the focusing camera reference flange (4.2) are integrally arranged in an upper end assembly supporting tool (4.3), a focusing mirror (4.4) is arranged on the upper surface of the focusing camera reference flange (4.2), a shading barrel assembly (4.5) is covered on the focusing mirror (4.4), and a collimator is arranged on the top of the focusing mirror (4.4) in a thermal decoupling mode.
- 4. A FXT focus camera overall structure according to claim 3, characterized in that: the shading barrel assembly (4.5) comprises a shading barrel and a shading overturning mechanism.
- 5. The FXT focus camera overall structure of claim 1, wherein: the lower end assembly (5) comprises a filtering rotating wheel (5.1), a detector box (5.2) arranged below the filtering rotating wheel (5.1) and a refrigerator (5.3) connected with the detector box (5.2) through a cold finger cold head.
- 6. The FXT focus camera overall structure of claim 5, wherein:an upper heat insulation pad (5.4) is arranged above the filtering rotating wheel (5.1), and a rubbing pad (5.5) and an adapting flange (5.6) are sequentially arranged below the filtering rotating wheel (5.1).
- 7. The FXT focus camera overall structure of claim 5, wherein:the refrigerator (5.3) comprises a compressor and a shell wrapped outside the compressor.
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