CN114442405A - FXT focusing camera integral structure - Google Patents
FXT focusing camera integral structure Download PDFInfo
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- CN114442405A CN114442405A CN202210106819.0A CN202210106819A CN114442405A CN 114442405 A CN114442405 A CN 114442405A CN 202210106819 A CN202210106819 A CN 202210106819A CN 114442405 A CN114442405 A CN 114442405A
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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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Abstract
The FXT focusing camera integral structure belongs to the technical field of space astronomical observation and comprises an FXT focusing camera integral integration tool, an FXT focusing camera bracket arranged in the FXT focusing camera integral integration tool and an FXT focusing camera arranged in the FXT focusing camera bracket; the FXT focusing camera comprises an optical focusing system and a detector system; two sets of optical focusing systems are arranged side by side; each set of optical focusing system comprises an anti-pollution barrel, wherein the upper port of the anti-pollution barrel is connected with the upper port of the focusing camera bracket, and the lower port of the anti-pollution barrel is connected with the lower port of the focusing camera bracket; an upper port of the focusing camera bracket is provided with an upper end component, and a lower port of the focusing camera bracket is provided with a lower end component; and a detector case is arranged below the lower end component. The invention solves the problems that the integrated assembly structure of the existing FXT focusing camera is poor in stability and installation precision, cannot provide reliable support for the FXT focusing camera and is poor in observation precision of the FXT focusing camera.
Description
Technical Field
The invention belongs to the technical field of space astronomical observation, and particularly relates to an integral structure of an FXT focusing camera.
Background
EP is an astronomical exploration satellite oriented to future time domain astronomy and high-energy celestial physics. The system aims to carry out deep large-field soft X-ray all-day monitoring, discover and detect various known and unknown emergent transient/explosive celestial bodies and events in the universe, and issue an alarm to guide satellite-borne equipment and other space and ground telescopes at home and abroad to carry out follow-up observation.
The main scientific targets of EP satellites are: (1) finding X-ray catastrophe celestial bodies in the universe; the activity of the known celestial body is monitored, and the nature and physical mechanism of the relevant phenomenon are explored. (2) Discovering and exploring the flare of a silence black hole in the universe; and (5) surveying the distribution of the black holes, and further understanding the origin, evolution and material absorption process of the black holes. (3) X-ray signals from gravitational wave sources are sought to enhance the recognition of extremely dense celestial bodies and their merging processes.
The payload of the EP satellite consists of a large field of view (3600 square) soft X-ray (0.5-4 keV) monitor (WXT) and a depth-following X-ray telescope (FXT) with a field of view of about 38 angular degrees.
The FXT is used for carrying out deep follow-up observation on transient sources discovered by the WXT at the first time and carrying out observation on opportunistic targets discovered by other devices.
However, the stability and the installation accuracy of the integrated assembly structure of the existing FXT focusing camera are poor, and reliable support cannot be provided for the FXT focusing camera, so that the observation accuracy of the FXT focusing camera is poor.
Disclosure of Invention
The present invention aims to provide an overall FXT focus camera structure to solve the problems set forth in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the FXT focusing camera integral structure comprises an FXT focusing camera integral integration tool, an FXT focusing camera support arranged in the FXT focusing camera integral integration tool and an FXT focusing camera arranged in the FXT focusing camera support; the FXT focusing camera comprises an optical focusing system and a detector system; two sets of optical focusing systems are arranged side by side; each set of optical focusing system comprises an anti-pollution barrel, wherein the upper port of the anti-pollution barrel is connected with the upper port of the focusing camera bracket, and the lower port of the anti-pollution barrel is connected with the lower port of the focusing camera bracket; an upper port of the focusing camera bracket is provided with an upper end component, and a lower port of the focusing camera bracket is provided with a lower end component; and a detector case is arranged below the lower end component.
The integral tool for the FXT focusing camera is a rectangular frustum frame structure which is small in size and large in size, and comprises a rectangular top frame, a rectangular middle frame, a rectangular bottom frame, a side rod connected between the rectangular top frame and the side rod, a lower inclined support connected between the rectangular bottom frame and the side rod, a connecting plate connected to the four corners of the bottom surface of the rectangular bottom frame, supporting legs welded to the bottom surface of the connecting plate, and a rectangular clamping frame connected to the top surface of the rectangular top frame.
Further preferred technical solution: the FXT focusing camera support comprises a rectangular upper top plate, 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 sides of the rectangular upper top plate and the rectangular lower bottom plate, a splayed rod connected between long sides of the rectangular upper top plate and the rectangular lower bottom plate, and a fork-shaped 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 solution: the FXT focusing camera support is erected in the FXT focusing camera integral integration tool, a pair of short edges of the rectangular upper top plate are supported through a pair of rectangular clamping ribs on the rectangular clamping frame, and a pair of rectangular clamping edges on a pair of long edges of the rectangular upper top plate are correspondingly clamped in a pair of rectangular clamping openings on the rectangular clamping frame.
Further preferred technical scheme: the anti-pollution cylinder is a cylindrical structure with a large upper part and a small lower part; the upper port of the anti-pollution barrel is connected with the rectangular upper top plate of the FXT focusing camera support through a flange, and the lower port of the anti-pollution barrel is connected with the rectangular lower bottom plate of the FXT focusing camera support through a flange.
Further preferred technical solution: the upper end assembly comprises an electronic deflector assembly, the electronic deflector assembly is installed on the lower surface of a focusing camera reference flange, the electronic deflector assembly and the focusing camera reference flange are integrally installed in an upper end assembly supporting tool, a focusing mirror is installed on the upper surface of the focusing camera reference flange, a shading cylinder assembly covers the focusing mirror, and a collimator is installed on the top of the focusing mirror in a thermal decoupling mode.
Further preferred technical solution: the shading cylinder assembly comprises a shading cylinder and a shading turnover mechanism.
Further preferred technical solution: the lower end component 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 solution: an upper heat insulation pad is arranged above the filtering rotating wheel, and a rubbing pad and a switching flange are sequentially arranged below the filtering rotating wheel.
Further preferred technical solution: the refrigerator includes a compressor and a housing that is wrapped outside the compressor.
Further preferred technical solution: a detector case supporting bracket is arranged on the FXT focusing camera bracket; the detector case supporting bracket comprises a rectangular supporting plate, hanging rods connected to four corners of the supporting plate and a connecting plate connected between a pair of hanging rods positioned on the same side.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the FXT focusing camera integrated assembly device has the advantages that the FXT focusing camera integrated assembly tool and the FXT focusing camera support are arranged, so that the FXT focusing camera is stably and reliably supported, the integrated 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 integrated assembly has multiple moving mechanisms, and the overall complexity and reliability of the FXT focusing camera integrated structure are ensured by arranging the FXT focusing camera integrated assembly and the FXT focusing camera support.
3, the detector case is effectively supported by arranging the detector case supporting bracket.
4, the invention is provided with the anti-pollution barrel, can meet the harsh anti-pollution requirement of the 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 the FXT focus camera of the present invention.
FIG. 2 is a schematic diagram of the connection of the FXT focusing camera and the FXT focusing camera bracket of the invention.
FIG. 3 is a schematic diagram of the integrated FXT focusing camera tool.
Figure 4 is a schematic view of the FXT focus camera mount of the present invention.
Fig. 5 is a schematic view of the anti-contamination cartridge of the present invention.
Fig. 6 is a first schematic view of the upper end assembly of the present invention.
Fig. 7 is a second schematic view of the upper end assembly of the present invention.
Fig. 8 is a flow chart of the assembly of the upper end assembly of the present invention.
Figure 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 barrel, 4-upper end component, 5-lower end component, 6-detector case, 7-detector case supporting bracket,
1.1-rectangular top frame, 1.2-rectangular middle frame, 1.3-rectangular bottom frame, 1.4-side rod, 1.5-upper inclined strut, 1.6-lower inclined strut, 1.7-connecting plate, 1.8-supporting leg, 1.9-rectangular clamping frame, 1.10-protecting piece, 1.11-truckle,
2.1-rectangular upper top plate, 2.2-rectangular lower bottom plate, 2.3-main column, 2.4-short side diagonal rod, 2.5-splayed rod, 2.6-forked rod,
4.1 parts of an electronic deflector assembly, 4.2 parts of a focusing camera reference flange, 4.3 parts of an upper end assembly supporting tool, 4.4 parts of a focusing mirror, 4.5 parts of a shading barrel assembly,
5.1-filtering rotary wheel, 5.2-detector box, 5.3-refrigerator, 5.4-upper heat-insulating pad, 5.5-repairing-rubbing pad and 5.6-adapter flange.
Detailed Description
Referring to fig. 1 to 10, the FXT focusing camera overall structure of the invention includes an FXT focusing camera overall integration tool 1, an FXT focusing camera bracket 2 installed in the FXT focusing camera overall integration tool 1, and an FXT focusing camera installed in the FXT focusing camera bracket 2; the FXT focusing camera comprises an optical focusing system and a detector system; the optical focusing systems are arranged in two sets side by side; each set of optical focusing system comprises an anti-pollution barrel 3, an upper end component 4 and an upper end port of the anti-pollution barrel 3 are installed at an upper end port of a focusing camera support 2, a lower end component 5 and a lower end port of the anti-pollution barrel 3 are installed at a lower end port of the focusing camera support 2, and a detector case 6 is installed below the lower end component 5.
The central distance between the two sets of optical focusing systems is 583 mm; in order to realize the focal length of 1.6 meters, the upper end assembly and the lower end assembly are integrally supported by an FXT focusing camera bracket which is nearly 1.3 meters.
The integral integrated frock 1 of FXT focus camera, whole four-edged terrace frame structure that is big end down, including rectangle top frame 1.1, rectangle center 1.2, rectangle underframe 1.3, connect at the rectangle top frame, the rectangle center, rectangle underframe three corresponds side lever 1.4 between the angular point, connect last bracing 1.5 between rectangle top frame and side lever, connect the lower bracing 1.6 between rectangle underframe and side lever, connect the even board 1.7 in rectangle underframe bottom surface four corners portion, the welding is at landing leg 1.8 in even board 1.7 bottom surface, connect the rectangle card frame 1.9 at rectangle top frame top surface.
The middle parts of four sides of the rectangular bottom frame 1.3 are respectively connected with a caster 1.11.
The connecting plate 1.7 is a regular triangle plate body, and a pair of through holes are arranged at intervals on 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 support sleeved at the bottom end of the vertical rod; the bottom support is circular, and the top surface of the bottom support is provided with a sleeve which is sleeved with the vertical rod; a circle of anti-slip teeth are arranged on the periphery of the bottom support.
The middle parts of the inner sides of a pair of long sides of the rectangular clamping frame 1.9 are provided with a pair of inward-concave rectangular bayonets, and the middle parts of the inner sides of a pair of short sides are provided with a pair of outward-convex rectangular clamping ribs.
The connection nodes between the components in the FXT focusing camera integral integration tool 1 are provided with protection pieces 1.10, and the protection pieces 1.10 are straight plates, three-dimensional L-shaped plates or flat L-shaped plates according to different specific connection 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 inclined rod 2.4 connected between short side edges of the rectangular upper top plate and the rectangular lower bottom plate, a splayed rod 2.5 connected between long side edges of the rectangular upper top plate and the rectangular lower bottom plate, and a fork-shaped rod 2.6 connected between the rectangular upper top plate and the middle part of the rectangular lower bottom plate; the dimensions of the rectangular upper top plate 2.1 are larger than the dimensions of the rectangular lower bottom plate 2.2.
A pair of circular upper frame vertical holes are formed in the rectangular upper top plate 2.1, a support 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 circular lower frame vertical holes are formed in the rectangular lower bottom plate, and a lower support flange is arranged on the inner ring of each lower frame vertical hole; the diameter of the upper frame vertical hole is larger than that of the lower frame vertical hole; the circle centers of the upper frame vertical hole and the lower frame vertical hole at the corresponding positions are collinear.
The FXT focusing camera support 2 is an integral supporting structure of the FXT focusing camera and mainly used for realizing the focal length of FXT load of 1.6 meters and ensuring the alignment precision between a focusing mirror and a pn-CCD detector.
The connection of the integrated frock 1 of FXT focus camera and FXT focus camera support 2, FXT focus camera support 2 erects in the integrated frock 1 of FXT focus camera, and a pair of minor face of roof 2.1 passes through a pair of rectangle card rib bearing on the rectangle card frame 1.9 on the rectangle, and a pair of rectangle card limit on a pair of long limit of roof 2.1 corresponds the block in a pair of rectangle card mouth on rectangle card frame 1.9 on the rectangle.
The anti-pollution barrel 3 is of a cylindrical structure with a large upper part and a small lower part; the upper opening of the anti-pollution barrel 3 is provided with an upper clamping edge which is horizontally bent outwards, and the lower opening is provided with a lower clamping edge which is horizontally bent outwards.
The connection of anti-pollution section of thick bamboo 3 and FXT focus camera support 2, the internal installation interface connection of flange on anti-pollution section of thick bamboo 3 upper port and FXT focus camera support 2 wholly coats electron deflector subassembly 4.1, and anti-pollution section of thick bamboo 3 lower extreme and FXT focus camera support 2 lower flanges internal installation interface connection wholly is located the filter runner directly over.
The upper end component 4 comprises an electronic deflector component 4.1, the electronic deflector component 4.1 is installed on the lower surface of a focusing camera reference flange 4.2, a focusing mirror 4.4 is installed on the upper surface of the focusing camera reference flange 4.2, a shading cylinder component 4.5 is covered on the focusing mirror 4.4, and a collimator is installed on the top of the focusing mirror 4.4 in a thermal decoupling mode; the entire upper end assembly 4 is connected to the upper surface of the flange on the FXT focus camera mount 2 by means of a focus camera reference flange 4.2.
The upper end component 4 provides an installation 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 cylinder assembly 4.5 has multiple functions of shading, dust prevention protection, installation of a shading turnover mechanism, a star sensor installation interface and the like.
And the upper end component 4 is connected with the FXT focusing camera bracket 2, and the upper end component 4 is connected with the FXT focusing camera bracket 2 through a focusing camera reference flange 4.2 and is fixed through a fastener.
The lower end component 5 comprises a filtering rotating wheel 5.1, a detector box 5.2 arranged below the filtering rotating wheel 5.1, a refrigerator 5.3 connected with the detector box 5.2 through a cold finger cold head, and a nitrogen pipeline for blowing nitrogen for protecting the detector.
An upper heat insulation pad 5.4 is arranged above the filtering rotating wheel 5.1, and a rubbing repair pad, a rubbing repair 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 a 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 plate 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 support, 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 functions of installing a pn-CCD detector and providing good space force, heat and physical environment.
The shielding box in the detector box 5.2 is used for shielding charged particles and a dispersed X-ray background, can effectively reduce the background of an instrument and can also reduce the irradiation damage of the detector, so that the requirements on material selection and processing precision are very high; the shielding box is arranged right below the light filtering rotating wheel through a switching flange, and a detector mounting box is arranged in the shielding box; meanwhile, the long edge of the shielding box extends out of the flexible circuit board to be connected with the detector case, and a nitrogen pipeline interface is installed on the side wall of the shielding box.
Design input of the shield box in the detector box 5.2: 1, polishing and plating gold on the inner surface of a shielding box, wherein the surface roughness is required to be 0.8 um; 2, the outer surface of the internally installed detector installation box also needs to be plated with gold, and the inner surface is blackened; 3, shielding the box at-25 to-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 insulation way; 6, the total length of the flexible circuit board is 250 mm; and 7, the cold end of the cold finger of the refrigerating machine penetrates through the shielding box to be connected with the detector mounting box.
The structural design of the shielding box in the detector box 5.2 is as follows: the shielding box comprises an upper cover, a bottom frame, a flexible plate fixing clamp, various plugs, a triangular support frame and the like; the main function of the device is to install a focal plane detector box to provide a shielded physical environment for a pn-CCD detector, the device is hermetically installed with a switching flange, and the detector realizes shielding, pollution prevention and supply of a refrigeration link through the device; the detector mounting box is mounted on the upper cover of the shielding box through 4 polyimide triangular supports, a light limiting valve is arranged right above the detector, and the light limiting valve comprises a support, beryllium shielding and aluminum shielding.
In the shielding box in the detector box 5.2, for realizing better shielding and reducing weight, the outer contour of the shielding box is 178mm multiplied by 154mm multiplied by 70mm, the thickest upper cover of the shielding box is 39mm, the thickest bottom frame is 20mm at the bottom of the detector, 13mm at the periphery and 8mm at the thinnest, and the shielding box is gradually thinned from the center to the edge. The material is oxygen-free copper; the inner surface is polished and gold plated.
A focal plane detector box in the detector box 5.2, wherein the focal plane detector box comprises a detector mounting box; the detector mounting box is mainly used for mounting a pn-CCD detector.
A focal plane detector box in the detector box 5.2, wherein in order to realize the accurate cooling of the pn-CCD detector, the cold end of the cold finger is closely contacted and installed with the upper cover of the detector installation box; the detector mounting box is made of aluminum alloy, the cold head is made of titanium alloy, negative tolerance assembly which is completely consistent in design is achieved, the detector mounting box is in close contact with the cold head due to different thermal expansion coefficients in a thermal expansion and cold contraction state, and a good thermal path between the refrigerator and the pn-CCD detector is guaranteed.
Integral assembly of the detector box 5.2: because the shielding box is assembled and coupled with the refrigerating machine, once the bottom frame of the shielding box is installed, the cold head of the refrigerating machine cannot be installed, the cold head of the refrigerating machine needs to be installed with the switching flange of the shielding box and the refrigerating machine at first, then the integral box cover of the shielding box is arranged, and finally the integral assembly of the detector box is completed with the filtering rotating wheel.
The refrigerator 5.3 comprises a compressor and a housing which is wrapped outside the compressor.
The refrigerator 5.3 passes through the side wall of the shielding box through the cold finger cold end and is tightly installed with the detector installation box to meet the thermal control requirement of the detector at 90 ℃ below zero.
The filter 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 filter rotating wheel 5.1 through a transfer 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, specifically, a pn-CCD detector is arranged in the detector mounting box, and one end of the pn-CCD detector extends out of the flexible circuit board and is oppositely 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 a support lower flange of the FXT focusing camera support 2 in a heat insulation mode through an upper heat insulation pad 5.4, so that switching of 6 working conditions such as light filters with different thicknesses, radioactive sources, full shielding and the like can be achieved.
A detector case supporting bracket 7 is arranged on a rectangular lower bottom plate 2.2 of the FXT focusing camera bracket 2; the detector case supporting bracket 7 comprises a rectangular supporting plate, hanging rods connected to four corners of the supporting plate, and a connecting plate connected between a pair of hanging rods positioned on the same side.
The bearing plate is a rectangular hollow plate frame; the connecting plate includes triangle-shaped fretwork sheet frame, connects the U-shaped draw-in groove at triangle-shaped fretwork sheet frame top, and U-shaped draw-in groove block is on rectangle lower plate 2.2's long edge.
The detector case 6 is placed on the bearing plate and is supported through the bearing plate.
Be equipped with the focus measuring apparatu between upper end subassembly 4 and the lower extreme subassembly 5, the focus measuring apparatu uses in the assembling process, measures the distance of focusing mirror optical axis distance detector upper surface, guarantees 1600 mm's focus value, later repaiies to rub the pad with the hands and repaiies to rub with the hands, guarantees the precision index of the whole focus value of focus camera.
The invention relates to an assembly process of an integral structure of an FXT focusing camera, which comprises the following steps:
in the following step, the time between parentheses is the operation time length of the step, and in example M2, (1 day) means that the operation time length of the step is one day.
M1, (T0), the FXT supporting structure is manufactured in the technical institute, and comprises mounting interfaces of an upper end assembly and a lower end assembly, and also comprises a mounting interface of an anti-pollution barrel.
M2, (1 day), the FXT supporting structure and the mounting interface pin holes at the upper end and the lower end of the FXT are matched, punched, cleaned and packaged to enter a thousand-level clean room.
M3, (1 day), FXT support structure, anti-pollution barrel and integrated frock assembly.
M4, (1 day), the hoisting gauge is fixed with the electronic deflector flange, and the upper and lower end components are assembled in a trial way.
M5, (touch the end, 1 day), try on and install focusing mirror and detector machine box, measure the calibration value of the focus of the normal atmospheric temperature.
M6, (0.5 days), disassemble the focusing lens and detector box, remove the focus gauge.
M7, (1 day), rubbing with a rubbing pad.
M8, (0.5), electronic deflector is installed.
M9, (0.5 days), install focusing lens (2 sets).
M10, (1 day), install shading tube, heat insulation film and sunshade turnover mechanism (2 sets).
M11, (0.5 days), install detector box (2 sets).
M12, (0.5 days), try on the detector cabinet.
M13, (0.5 days), heat application, mechanical testing point cable lead, and fixation.
M14, (0.5 days), check all connections for a normal nitrogen line test connection.
M15, (1 day) precision measurement.
M16, in (0.5 day), the other flexible connections are pulled out, and the nitrogen protection pipeline at the 2 position is connected.
M17, (2 days), the FXT camera and the tool are disassembled, hoisted and placed into a packaging box, and nitrogen is introduced for protection.
M18, (1 day), loading FXT focusing camera packing boxes, integrally binding, communicating nitrogen pipelines, grounding and the like.
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 attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
- The FXT focusing camera overall structure is characterized in that: the integrated camera comprises an FXT focusing camera integrated tool (1), an FXT focusing camera bracket (2) arranged in the FXT focusing camera integrated tool (1) and an FXT focusing camera arranged in the FXT focusing camera bracket (2); the FXT focusing camera comprises an optical focusing system and a detector system; two sets of optical focusing systems are arranged side by side; each set of optical focusing system comprises an anti-pollution barrel (3), wherein the upper port of the anti-pollution barrel (3) is connected with the upper port of the focusing camera bracket (2), and the lower port of the anti-pollution barrel is connected with the lower port of the focusing camera bracket (2); an upper end opening of the focusing camera bracket (2) is provided with an upper end assembly (4), and a lower end opening is provided with a lower end assembly (5); a detector case (6) is arranged below the lower end component (5);the integral integrated frock (1) of FXT focus camera, wholly be big-end-up's four-edged terrace frame structure, including rectangle top frame (1.1), rectangle center (1.2), rectangle underframe (1.3), connect at rectangle top frame, rectangle center, rectangle underframe three corresponds side lever (1.4) between the angular point, connect last bracing (1.5) between rectangle top frame and side lever, connect lower bracing (1.6) between rectangle underframe and side lever, connect and link board (1.7) in rectangle underframe bottom surface four corners portion, the welding is at landing leg (1.8) of linking board (1.7) bottom surface, connect rectangle calorie frame (1.9) at rectangle top frame top surface.
- 2. The FXT focus camera monolithic structure according to claim 1, wherein: 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 inclined rod (2.4) connected between short sides of the rectangular upper top plate and the rectangular lower bottom plate, a splayed rod (2.5) connected between long sides of the rectangular upper top plate and the rectangular lower bottom plate, and a fork-shaped rod (2.6) connected between the 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).
- 3. The FXT focus camera overall structure of claim 2, characterized in that: FXT focus camera support (2) erect in FXT focus camera whole integration frock (1), and a pair of minor face of roof (2.1) is gone up to the rectangle passes through a pair of rectangle card rib bearing on rectangle card frame (1.9), and a pair of rectangle card limit on a pair of long limit of roof (2.1) is gone up to the rectangle corresponds the block in a pair of rectangle card mouth on rectangle card frame (1.9).
- 4. The FXT focusing camera overall structure according to claim 3, characterized in that: the anti-pollution barrel (3) is of a cylindrical structure with a large upper part and a small lower part;the upper opening of the anti-pollution barrel (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 barrel (3) is connected with a rectangular lower bottom plate (2.2) of the FXT focusing camera support (2) through a flange.
- 5. The FXT focus camera overall structure of claim 1, characterized in that: upper end subassembly (4), including electronic deflector subassembly (4.1), the lower surface at focus camera benchmark flange (4.2) is installed in electronic deflector subassembly (4.1), the integration of electronic deflector subassembly (4.1) and focus camera benchmark flange (4.2) is installed in upper end subassembly support frock (4.3), the last surface mounting of focus camera benchmark flange (4.2) has focusing mirror (4.4), focusing mirror (4.4) upper cover has a shading section of thick bamboo subassembly (4.5), the collimator is installed to the top thermal decoupling of focusing mirror (4.4).
- 6. The FXT focusing camera overall structure according to claim 5, characterized in that: the shading cylinder assembly (4.5) comprises a shading cylinder and a shading turnover mechanism.
- 7. The FXT focus camera overall structure of claim 1, characterized in that: the lower end component (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.
- 8. The FXT focus camera overall structure of claim 7, characterized in that:an upper heat insulation pad (5.4) is arranged above the filtering rotating wheel (5.1), and a rubbing pad (5.5) and a switching flange (5.6) are sequentially arranged below the filtering rotating wheel (5.1).
- 9. The FXT focus camera monolithic structure according to claim 7, wherein:the refrigerating machine (5.3) comprises a compressor and a shell wrapped outside the compressor.
- 10. The FXT focus camera overall structure according to any of the claims 1 to 9, characterized by: a detector case supporting bracket (7) is arranged on the FXT focusing camera bracket (2); the detector case supporting bracket (7) comprises a rectangular supporting plate, hanging rods connected to four corners of the supporting plate and a connecting plate connected between a pair of hanging rods positioned on the same side.
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