CN211904166U - Electric heating high-precision transmission observing and aiming window - Google Patents
Electric heating high-precision transmission observing and aiming window Download PDFInfo
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- CN211904166U CN211904166U CN202020341420.7U CN202020341420U CN211904166U CN 211904166 U CN211904166 U CN 211904166U CN 202020341420 U CN202020341420 U CN 202020341420U CN 211904166 U CN211904166 U CN 211904166U
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Abstract
The utility model relates to an electric heating high-precision transmission observing and aiming window, which comprises an optical lens, an inner connecting panel, an outer connecting panel, a window mirror mounting cylinder, a window mirror compression ring, two copper foil strips and an epoxy glass cloth plate pressing strip; plating a conductive film on one surface of the optical lens, and plating a conductive copper strip on each of two edges of the one surface; the optical lens is arranged in the window mirror mounting cylinder, and the edge part of the outer side surface of the optical lens and the periphery of the optical lens are respectively provided with an outer insulating buffer cushion and an annular insulating buffer layer; two copper foil tapes are respectively attached to the outer sides of the two conductive copper tapes, and a power supply lead is fixedly connected to each of the two copper foil tapes; the epoxy glass cloth plate pressing strip is adhered to the copper foil belt, the window mirror pressing ring is fixedly connected with the inner end of the window mirror installation cylinder, and an inner insulating buffer cushion is arranged between the outer side of the window mirror pressing ring and the epoxy glass cloth plate pressing strip; the inner connecting panel and the outer connecting panel are respectively fixed on the inner side and the outer side of the window mounting opening on the high-low temperature environment test box. The window provides a stable high-precision observing and aiming window for the orientation equipment.
Description
Technical Field
The utility model belongs to the technical field of accurate auto-collimation measurement is used, a measurement test device of high accuracy orientation equipment is related to, concretely relates to window is observed and aimed in electric heating high accuracy transmission.
Background
The high-precision orientation equipment needs to perform orientation precision or attitude measurement precision tests in a full temperature range so as to ensure that the high-precision orientation equipment can perform accurate measurement under different temperature conditions. The all-temperature test needs to place the orientation equipment on an isolation foundation in a high-low temperature environment test box, erect an auto-collimation theodolite outside the high-low temperature environment test box, aim at a reference mirror on the equipment to be measured inside the test box through a window of the high-low temperature environment test box in an all-temperature range, realize the precise monitoring of the equipment to be measured, and accurately measure the orientation precision or the attitude measurement precision of the system in the all-temperature range by determining the angular position change or the attitude change of the reference mirror.
The observation window of the common high-low temperature environment test box body generally adopts adhered common multilayer hollow glass, each layer of glass is manufactured by a float process, the surface shape precision is low, the observation and aiming errors introduced by the observation and aiming device are generally more than 40' through actual measurement at different temperatures or different observation areas, and the requirement of high-precision auto-collimation measurement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide one kind when using in the full temperature range, can provide stable high accuracy for orientation equipment and observe and aim the window, when guaranteeing to observe and aim the definition, observe and aim measuring accuracy and be superior to 5 ", so as to ensure the electric heating high accuracy transmission of orientation equipment precision and observe and aim the window.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an electric heating high accuracy transmission observation window which characterized in that: the device comprises an optical lens, an inner connecting panel, an outer connecting panel, a window mirror mounting cylinder, a window mirror pressing ring, two copper foil strips and an epoxy glass cloth plate pressing strip;
the optical lens is circular and is made of optical quartz glass material; plating a conductive film on one surface of the optical lens, and plating a conductive copper strip on each of two edges of the one surface of the optical lens; the parallelism of the two surfaces of the optical lens is not more than 5'; the window mirror mounting cylinder is of a cylinder structure with a positioning convex belt arranged inside; the inner connecting panel and the outer connecting panel are of annular plate structures;
the optical lens is arranged in the window mirror mounting cylinder in a mode that one surface plated with the conductive film faces inwards, and an external insulation buffer pad and an annular insulation buffer layer are respectively arranged between the edge part of the outer side surface of the optical lens and the inner side surface of the positioning convex belt and between the outer peripheral surface of the optical lens and the inner wall surface of the window mirror mounting cylinder; the two copper foil belts are respectively attached to the outer sides of the two conductive copper belts, the two copper foil belts are welded and fixedly connected with a power supply lead respectively, and the two power supply leads penetrate through small holes reserved at two ends of the window mirror mounting cylinder and are connected with an external power supply; the epoxy glass cloth board pressing strip is attached to the copper foil belt, the window mirror pressing ring is fixedly connected with the inner end of the window mirror mounting cylinder through a screw, an inner insulating buffer cushion is pressed between the outer side of the window mirror pressing ring and the epoxy glass cloth board pressing strip, a set screw is mounted in a prefabricated screw hole formed in the window mirror pressing ring, penetrates through the inner insulating buffer cushion and is in pressing contact with the epoxy glass cloth board pressing strip, and the position of a plated copper strip of the optical lens, the copper foil belt and the epoxy glass cloth board pressing strip are tightly attached to each other;
the inner connecting panel and the outer connecting panel are respectively arranged on the inner side and the outer side of the window mounting port on the high-low temperature environment test box and are respectively fixedly connected with the inner side wall and the outer side wall of the window mounting port on the high-low temperature environment test box, the combined structure of the window mirror mounting cylinder, the optical lens, the copper foil tape, the epoxy glass cloth pressing strip and the window mirror pressing ring is clamped between the inner connecting plate and the outer connecting plate, and a heat preservation filling body is arranged between the outside of the window mirror mounting cylinder and the window mounting port on the high-low temperature environment test box.
Further: the conductive film is an indium tin oxide film.
Further: the thickness of the optical lens is 15mm, and the diameter of the optical lens is 250 mm.
Further: the outer insulation buffer cushion, the insulation buffer layer and the inner insulation buffer cushion are all made of silica gel foam materials.
The utility model has the advantages and positive effect:
1. the optical lens adopted by the electric heating high-precision transmission sighting window has a high-precision surface type, when the optical lens is subjected to displacement change in high and low temperature environments, a clear cross return image can still be observed in the autocollimation theodolite sighting telescope, the influence of the optical lens on the sighting measurement precision can be ignored, and the accuracy of a measured direction equipment test result is ensured. In addition, the deformation of the optical lens is small at different temperatures, so that the observation is carried out at different positions of the optical lens of the window, and the influence of the optical lens on the measurement precision of the observation can be ignored. In practical test under high and low temperature environment, the maximum observation measurement error of the tested device introduced by the window round mirror can be controlled within 5 ".
2. This electric heating high accuracy transmission is observed and is aimed window adds the electric heating structure at optical lens, supplies power through the copper strips under low temperature environment, to indium tin oxide film heating, can eliminate the mirror surface and frost, has guaranteed to use at the full temperature within range, and the mirror surface all is clear, has ensured to observe and aim the definition.
3. The optical lens mounting mode adopted by the electric heating high-precision transmission observing and aiming window ensures the stability and firmness of optical lens mounting, thereby realizing the purpose of providing a stable high-precision observing and aiming window for the orientation equipment.
Drawings
FIG. 1 is a schematic view of an optical lens, 1a is a front view; 1b, is a side view;
FIG. 2 is a schematic view of the assembly of the present invention;
FIG. 3 is a schematic view of a high and low temperature environmental test chamber viewing window.
Detailed Description
The present invention will be described in further detail with reference to the following specific embodiments, which are illustrative only and not limiting, and the scope of the present invention should not be limited thereby.
An electric heating high-precision transmission observation window is disclosed, please refer to fig. 1-3, and its invention points are: the optical glass comprises an optical lens 8, an inner connecting panel 12, an outer connecting panel 1, a window mirror mounting cylinder 4, a window mirror pressing ring 6, two copper foil strips 11 and an epoxy glass cloth plate pressing strip 10.
FIG. 1 is a schematic view of an optical lens, which is circular and made of optical quartz glass material with excellent material performance. The thickness of the optical lens is preferably 15mm, and the diameter is preferably 250mm, so that the strength of the optical lens is ensured, and a sufficiently large transmission viewing range can be provided. The single surface of the optical lens is plated with a conductive film, the conductive film is preferably but not limited to an indium tin oxide film, two conductive copper strips 8.1 are respectively plated at two edges of the single surface of the optical lens, and power is supplied through the copper strips in a low-temperature environment to heat the indium tin oxide film, so that the frosting of the mirror surface can be eliminated. The optical lens has a two-sided parallelism of not more than 5'.
FIG. 2 is a schematic view of an electric heating high-precision transmission observing window assembly, wherein a window mirror mounting cylinder is a cylinder structure with a positioning convex belt arranged inside; the inner connecting panel and the outer connecting panel are of annular plate structures.
The optical lens is installed in the window mirror installation barrel in a mode that one surface plated with the conductive film faces inwards, and an outer insulating buffer pad 3 and an annular insulating buffer layer 2 are respectively arranged between the edge part of the outer side surface of the optical lens and the inner side surface of the positioning convex belt and between the outer peripheral surface of the optical lens and the inner wall surface of the window mirror installation barrel. The two copper foil belts are respectively attached to the outer sides of the two conductive copper belts, the two copper foil belts are welded and respectively fixedly connected with a power supply lead, and the two power supply leads penetrate out through small holes reserved at two ends of the window mirror mounting cylinder and are connected with an external power supply. Epoxy glass cloth board layering adheres to the laminating on the copper foil tape, window mirror clamping ring and the inner of window mirror installation section of thick bamboo pass through screw fixed connection, and the pressure equipment has interior insulating blotter 7 between the outside of window mirror clamping ring and epoxy glass cloth board layering, has realized utilizing the elasticity of erection dimension cooperation and interior insulating blotter, with optical lens stable installation in window mirror installation section of thick bamboo. And a set screw 9 is arranged in a prefabricated screw hole arranged on the window mirror press ring, penetrates through the inner insulating buffer cushion and is in compression contact with the epoxy glass cloth batten, so that the position of a plated copper strip of the optical lens, the copper foil strip and the epoxy glass cloth batten are tightly attached. The outer insulating buffer pad, the annular insulating buffer layer and the inner insulating buffer pad are preferably made of, but not limited to, a silica gel foam material, and play a role in: the rigid connection between the optical lens and the mechanical installation structural member is avoided, and the effect of electrical insulation between the lens body and the high-low temperature box body is also achieved.
The inner connecting panel and the outer connecting panel are respectively arranged on the inner side and the outer side of the window mounting opening on the high-low temperature environment test box and are respectively fixedly connected with the inner side wall and the outer side wall of the window mounting opening on the high-low temperature environment test box; the combined structure of the window mirror installation cylinder, the optical lens, the copper foil strip, the epoxy glass cloth plate pressing strip and the window mirror pressing ring is clamped between the inner connecting plate and the outer connecting plate, and a heat-insulating filling body 5 is arranged between the outside of the window mirror installation cylinder and a window installation opening on the high-low temperature environment test box to strengthen heat insulation of the high-low temperature environment test box. When the high-low temperature environment test chamber is not used, a protection flat plate (not shown in the attached drawing 2) can be additionally arranged on the inner connecting panel and the outer connecting panel to protect the optical lenses.
FIG. 3 is a schematic view of a viewing window of the high and low temperature environmental test chamber. After parallel light beams emitted by the autocollimation theodolite sighting telescope transmit through the sighting window and are reflected back to the theodolite sighting telescope through a reference mirror on the orientation equipment, clear cross-shaped return images can be observed in the autocollimation theodolite sighting telescope through human eyes. When the optical lens is subjected to displacement change in high and low temperature environments, due to the high-precision surface type, a clear cross-shaped return image can still be observed in the autocollimation theodolite sighting telescope, the influence of the optical lens on the observation and aiming measurement precision can be ignored, and the accuracy of the test result of the measured direction equipment is ensured. In addition, because the optical lens of the observation window has a high-precision surface type and has small self deformation at different temperatures, the observation is carried out at different positions of the optical lens of the window, and the influence of the optical lens on the measurement precision of the observation can be ignored. In practical test under high and low temperature environment, the maximum observation measurement error of the tested device introduced by the window round mirror can be controlled within 5 ". The intelligent achievement observation precision is far better than the original rectangular multilayer hollow glass observation window (more than 40' of observation error is generally introduced).
Although the embodiments and figures of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore, the scope of the invention is not limited to the disclosure of the embodiments and drawings.
Claims (4)
1. The utility model provides an electric heating high accuracy transmission observation window which characterized in that: the device comprises an optical lens, an inner connecting panel, an outer connecting panel, a window mirror mounting cylinder, a window mirror pressing ring, two copper foil strips and an epoxy glass cloth plate pressing strip;
the optical lens is circular and is made of optical quartz glass material; plating a conductive film on one surface of the optical lens, and plating a conductive copper strip on each of two edges of the one surface of the optical lens; the parallelism of the two surfaces of the optical lens is not more than 5'; the window mirror mounting cylinder is of a cylinder structure with a positioning convex belt arranged inside; the inner connecting panel and the outer connecting panel are of annular plate structures;
the optical lens is arranged in the window mirror mounting cylinder in a mode that one surface plated with the conductive film faces inwards, and an external insulation buffer pad and an annular insulation buffer layer are respectively arranged between the edge part of the outer side surface of the optical lens and the inner side surface of the positioning convex belt and between the outer peripheral surface of the optical lens and the inner wall surface of the window mirror mounting cylinder; the two copper foil belts are respectively attached to the outer sides of the two conductive copper belts, the two copper foil belts are welded and fixedly connected with a power supply lead respectively, and the two power supply leads penetrate through small holes reserved at two ends of the window mirror mounting cylinder and are connected with an external power supply; the epoxy glass cloth board pressing strip is attached to the copper foil belt, the window mirror pressing ring is fixedly connected with the inner end of the window mirror mounting cylinder through a screw, an inner insulating buffer cushion is pressed between the outer side of the window mirror pressing ring and the epoxy glass cloth board pressing strip, a set screw is mounted in a prefabricated screw hole formed in the window mirror pressing ring, penetrates through the inner insulating buffer cushion and is in pressing contact with the epoxy glass cloth board pressing strip, and the position of a plated copper strip of the optical lens, the copper foil belt and the epoxy glass cloth board pressing strip are tightly attached to each other;
the inner connecting panel and the outer connecting panel are respectively arranged on the inner side and the outer side of the window mounting port on the high-low temperature environment test box and are respectively fixedly connected with the inner side wall and the outer side wall of the window mounting port on the high-low temperature environment test box, the combined structure of the window mirror mounting cylinder, the optical lens, the copper foil tape, the epoxy glass cloth pressing strip and the window mirror pressing ring is clamped between the inner connecting plate and the outer connecting plate, and a heat preservation filling body is arranged between the outside of the window mirror mounting cylinder and the window mounting port on the high-low temperature environment test box.
2. The electrically heated high precision transmissive viewing window of claim 1, wherein: the conductive film is an indium tin oxide film.
3. The electrically heated high precision transmissive viewing window of claim 1, wherein: the thickness of the optical lens is 15mm, and the diameter of the optical lens is 250 mm.
4. The electrically heated high precision transmissive viewing window of claim 1, wherein: the outer insulation buffer cushion, the insulation buffer layer and the inner insulation buffer cushion are all made of silica gel foam materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020341420.7U CN211904166U (en) | 2020-03-18 | 2020-03-18 | Electric heating high-precision transmission observing and aiming window |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020341420.7U CN211904166U (en) | 2020-03-18 | 2020-03-18 | Electric heating high-precision transmission observing and aiming window |
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| CN211904166U true CN211904166U (en) | 2020-11-10 |
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| CN202020341420.7U Active CN211904166U (en) | 2020-03-18 | 2020-03-18 | Electric heating high-precision transmission observing and aiming window |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985768A (en) * | 2021-03-22 | 2021-06-18 | 广州斯派克环境仪器有限公司 | High-low temperature test device for optical system |
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2020
- 2020-03-18 CN CN202020341420.7U patent/CN211904166U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985768A (en) * | 2021-03-22 | 2021-06-18 | 广州斯派克环境仪器有限公司 | High-low temperature test device for optical system |
| CN112985768B (en) * | 2021-03-22 | 2023-09-29 | 广州斯派克环境仪器有限公司 | Optical system high-low temperature test device |
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