CN210142234U - Sun guide mark safety filter cover - Google Patents
Sun guide mark safety filter cover Download PDFInfo
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- CN210142234U CN210142234U CN201920603847.7U CN201920603847U CN210142234U CN 210142234 U CN210142234 U CN 210142234U CN 201920603847 U CN201920603847 U CN 201920603847U CN 210142234 U CN210142234 U CN 210142234U
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Abstract
The utility model discloses a safe filter cover of a solar guide sign, which can be additionally arranged on a common telescope and is used for watching the sun, and comprises a cover body, a solar light filtering attenuation film, a shadow tube, small holes and a projection screen, and a hierarchical solar guide sign structure; the surface of one side of the cover body is provided with an installation surface which can be mutually embedded with the outer ring of the objective lens barrel of the telescope and is tightly fixed at the front end of the objective lens barrel of the telescope, and a solar light filtering film is also arranged in the installation surface; the cover shell is provided with a shadow tube, a projection hole and a rear projection screen. The utility model has the advantages that: the telescope is mounted on a common telescope for use, so that the telescope has the capability of safely watching the sun, and the eyes of a user can safely face the sunlight in the process. When a common telescope is used for directly seeing the eyes injured by the sun, the eyes are blinded and the sun cannot be found when a filtering membrane with the transmittance lower than one ten-thousandth is arranged. The design of the sun projection is provided, the sun is guided in a layered manner through the shadow tube and the projection screen, the structure is simple, the use is convenient and the safety is high.
Description
Technical Field
The utility model relates to a sun leads mark safety filter lid, especially a make things convenient for and lead mark calibration and survey sun safety filter lid.
Background
In daily life, an optical telescope is generally a cylindrical optical instrument, and light rays are focused and directly imaged through refraction of a convex lens or reflection of a concave lens or are observed through a magnifying eyepiece. A monocular telescope is an optical system for observing the distant object by means of objective and eyepiece and can magnify the small field angle of distant object by a certain magnification to make it have a large field angle in image space and make the object which can not be seen or distinguished by naked eye become clear.
The lens barrel of a common telescope is forbidden to observe the sun, and direct observation can cause blindness of eyes. Therefore, a safety filter cover for a solar guide sign has to be developed, which can observe the sun and facilitate the calibration and observation of the guide sign. The common telescope is used for directly seeing the eyes injured by the sun, and the eyes injured by the sun cannot be found as blindness after the common telescope is provided with the attenuation film with the one-tenth transmittance. The design of the sun projection is provided, and the sun is guided in layers through the shadow tube and the projection screen. The professional solar telescope observes through an internal solar filter and an external target finder, and a target can be found only by adjusting the target finder and the lens cone to be coaxial, so that the debugging is complex. When the device is used, the eyes and the external target finder are firstly used for primarily aiming at the sun, the eyes can directly see the sun in the process, strong sunlight can penetrate the eyes, and the eye discomfort can be easily caused. Through the retrieval, the technical scheme which is the same as the utility model is not found.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a convenient calibration's sun guide mark safety filter lid solves one or more among the above-mentioned prior art problem.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a sun guide mark safety filter lid, solar telescope include the support, install the lens cone on the support and install objective tube and the eyepiece at lens cone both ends, and its innovation point lies in: the sun guide mark safety filter cover is nested at the edge of the outer ring of the objective lens barrel, and the sun guide mark safety filter comprises a cover body and a guide mark structure; the cover body is plate-shaped, a mounting surface which can be mutually embedded with the outer ring of the objective lens barrel is arranged on the surface of one side of the cover body, the mounting surface penetrates through the cover body, a solar light filtering film is further arranged in the mounting surface, the guide structure comprises a shadow tube, a projection hole and a projection screen, the shadow tube is vertically arranged on the surface of the cover body, the shadow tube extends coaxially with the central shaft of the objective lens barrel from the surface of the cover body to the direction of the eyepiece, the projection hole is arranged on the cover body and penetrates into the shadow tube, the projection screen is arranged at the tail end of the shadow tube, and the focal point of a cross line and the focal point of the cross line are parallel to the central.
In some embodiments, the guide structure further comprises a guide tube, the guide tube is coaxially arranged with the shadow tube and extends in the opposite direction, and the tail end of the guide tube is open.
In some embodiments, the guide structure further comprises a guide post extending perpendicular to the lid body surface and opposite the shadow tube.
In some embodiments, the safety filter for solar guide signs further comprises a locking device, wherein the locking device comprises a locking hole positioned on the side surface of the edge of the cover body and a locking screw matched with the locking hole.
In some embodiments, the outer wall of the shadow tube is further provided with at least one adjusting screw for adjusting the projection screen.
In some embodiments, there are three adjustment screws and the angle between adjacent adjustment screws is 120 °.
The utility model discloses a have a bit in: the solar light filter film of the technical scheme can effectively reduce the damage of sunlight to eyes, and the observation position and the observation angle are adjusted through the guide structure, so that the solar light filter film is convenient to use and simple in structure.
Drawings
Fig. 1 is a perspective view of a solar guide sign safety filter cover according to a first embodiment of the present invention.
Fig. 2 is a cross-sectional view of a first embodiment of a solar guide sign safety filter cover according to the present invention.
Fig. 3 is a front view of a first embodiment of a solar guide sign safety filter cover according to the present invention.
Fig. 4 is a back view of a first embodiment of a solar guide sign safety filter cover according to the present invention.
Fig. 5 is an axial view of a second embodiment of the solar guide sign safety filter cover according to the present invention.
Fig. 6 is a cross-sectional view of a second embodiment of a solar guide sign safety filter cover according to the present invention.
Fig. 7 is a front view of a second embodiment of a solar guide sign safety filter cover according to the present invention.
Fig. 8 is a back view of a second embodiment of a solar guide sign safety filter cover according to the present invention.
Fig. 9 is a front view of a third embodiment of a solar guide sign safety filter cover according to the present invention.
Fig. 10 is a back view of a third embodiment of a solar guide sign safety filter cover according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. The solar guide sign safety filter cover can be used for refractive, binocular, reflective and catadioptric telescopes.
Example one
As shown in fig. 1 to 4, the solar telescope includes a bracket, a lens barrel mounted on the bracket, and an objective lens barrel and an eyepiece mounted at two ends of the lens barrel, the solar beacon safety filter is nested at the outer edge of the objective lens barrel, and the solar beacon safety filter includes a cover body 1 and a beacon structure; the cover body 1 is plate-shaped, a mounting surface 2 which can be embedded with the outer ring of the objective lens barrel is arranged on one side surface of the cover body 1, the mounting surface 2 penetrates through the cover body 1, a solar light filtering film 3 is further arranged in the mounting surface 2, the guide structure comprises a shadow tube 4, a projection hole 41 and a projection screen 42, the shadow tube 4 is vertically arranged on the surface of the cover body 1, the shadow tube 4 extends coaxially with the central shaft of the objective lens barrel from the surface of the cover body 1 to the ocular direction, the projection hole 41 is positioned on the cover body 1 and penetrates into the shadow tube 4, the projection screen 42 is positioned at the tail end of the shadow tube 4, a cross line 44 is further arranged on the projection screen 42, and the focal point of the cross line 44 is parallel to the connecting line of the projection hole.
In some embodiments, the guide structure further comprises a guide tube 43, the guide tube 43 is disposed coaxially with the shadow tube 4 and extends in the opposite direction, and the end of the guide tube 43 is open.
According to the technical scheme, the sun guide mark safety filter cover is arranged at the front end of the lens cone, the lens cone is adjusted to enable the projection of the guide mark pipe 43 to coincide with the guide mark pipe 43, the projection position on the adjustment projection screen 42 coincides with the cross point of the cross line, and then the focal length of the lens cone is adjusted to observe the sun.
The sun filter film 3 of the technical scheme can effectively reduce the damage of sunlight to eyes, and the observation position and the observation angle are adjusted through the guide structure, so that the use is convenient and the structure is simple.
In some embodiments, the solar guide sign safety filter further comprises a locking device, the locking device comprises a locking hole located on the side face of the edge of the cover body 1 and a locking screw 5 matched with the locking hole, and the locking device can ensure that the solar guide sign safety filter is fixed in position and convenient to calibrate.
The common astronomical telescope aims at the sun, high heat of the sun is collected, eyes of a user are injured and blinded instantly, and the telescope can be damaged; the solar guide mark safety filter cover is a safe and smart design, a film for filtering strong light is arranged on the device and is arranged at the front end of an objective lens of a telescope, and all the strong light entering the telescope is prevented from entering the telescope; the user only needs to point the lens cone to the sun approximately, then stands at the front end of the filter cover, observes the shadow position formed by the shadow tube irradiated by the sunlight to the front end of the cover, adjusts the position of the telescope cone, reduces the shadow of the shadow tube under the sunlight, and indicates that the telescope is nearly coaxial with the sun when the shadow of the shadow tube can not be seen; then the user stands to the position where the telescope watches, the posture of the telescope is adjusted according to the position of the small facula projected on the projection screen by the sunlight passing through the small hole, when the small facula formed by the sunlight beam falls on the center of the projection screen, the user can press the eyes to the eyepiece, and the sun image is in the view field of the telescope; in the whole process, human eyes do not need to look directly at the sun, the projected shadow of the guide mark pipe with the convex front end is coaxially adjusted, and then the guide mark pipe is accurately positioned by the small-hole light beam.
Example two
As shown in fig. 5 to 8, the solar guide safety filter for observing the sun comprises a bracket, a lens barrel arranged on the bracket, and an objective lens barrel and an eyepiece arranged at two ends of the lens barrel, wherein the solar guide safety filter is nested at the edge of the outer ring of the objective lens barrel, and comprises a cover body 1 and a guide structure; the cover body 1 is plate-shaped, a mounting surface 2 which can be embedded with the outer ring of the objective lens barrel is arranged on one side surface of the cover body 1, the mounting surface 2 penetrates through the cover body 1, a solar light filtering film 3 is further arranged in the mounting surface 2, the guide structure comprises a shadow tube 4, a projection hole 41 and a projection screen 42, the shadow tube 4 is vertically arranged on the surface of the cover body 1, the shadow tube 4 extends coaxially with the central shaft of the objective lens barrel from the surface of the cover body 1 to the ocular direction, the projection hole 41 is positioned on the cover body 1 and penetrates into the shadow tube 4, the projection screen 42 is positioned at the tail end of the shadow tube 4, a cross line 44 is further arranged on the projection screen 42, and the focal point of the cross line 44 is parallel to the connecting line of the projection hole.
In some embodiments, the guide structure further comprises a guide post 45, the guide post 45 is located directly above the projection hole 41, and the guide post 45 is perpendicular to the surface of the cover body 1 and extends in a direction opposite to the shadow tube 4.
According to the technical scheme, the solar guide mark safety filter is arranged at the front end of the lens barrel, the lens barrel is adjusted to enable the projection of the guide mark column 45 to coincide with the guide mark column 45, the projection position on the adjustment projection screen 42 coincides with the cross point of the cross line, and then the focal length of the lens barrel is adjusted to observe the sun.
The sun filter film 3 of the technical scheme can effectively reduce the damage of sunlight to eyes, and the observation position and the observation angle are adjusted through the guide structure, so that the use is convenient and the structure is simple.
In some embodiments, the solar guide sign safety filter further comprises a locking device, the locking device comprises a locking hole located on the side face of the edge of the cover body 1 and a locking screw 5 matched with the locking hole, and the locking device can ensure that the solar guide sign safety filter is fixed in position and convenient to calibrate.
The utility model has the advantages that: the common astronomical telescope aims at the sun, high heat of the sun is collected, eyes of a user are injured and blinded instantly, and the telescope can be damaged; the solar guide mark safety filter cover is a safe and smart design, a film for filtering strong light is arranged on the device and is arranged at the front end of an objective lens of a telescope, and all the strong light entering the telescope is prevented from entering the telescope; the user only needs to point the lens cone to the sun approximately, then stands at the front end of the filter cover, observes the shadow position formed by the shadow tube irradiated by the sunlight to the front end of the cover, adjusts the position of the telescope cone, reduces the shadow of the shadow tube under the sunlight, and indicates that the telescope is nearly coaxial with the sun when the shadow of the shadow tube can not be seen; then the user stands to the position where the telescope watches, the posture of the telescope is adjusted according to the position of the small facula projected on the projection screen by the sunlight passing through the small hole, when the small facula formed by the sunlight beam falls on the center of the projection screen, the user can press the eyes to the eyepiece, and the sun image is in the view field of the telescope; in the whole process, human eyes do not need to look directly at the sun, the projected shadow of the guide mark pipe with the convex front end is coaxially adjusted, and then the guide mark pipe is accurately positioned by the small-hole light beam.
EXAMPLE III
A solar guide safety filter for observing the sun comprises a bracket, a lens barrel arranged on the bracket, an objective lens barrel and an eyepiece, wherein the objective lens barrel and the eyepiece are arranged at two ends of the lens barrel; the cover body 1 is plate-shaped, a mounting surface 2 which can be embedded with the outer ring of the objective lens barrel is arranged on one side surface of the cover body 1, the mounting surface 2 penetrates through the cover body 1, a solar light filtering film 3 is further arranged in the mounting surface 2, the guide structure comprises a shadow tube 4, a projection hole 41 and a projection screen 42, the shadow tube 4 is vertically arranged on the surface of the cover body 1, the shadow tube 4 extends coaxially with the central shaft of the objective lens barrel from the surface of the cover body 1 to the ocular direction, the projection hole 41 is positioned on the cover body 1 and penetrates into the shadow tube 4, the projection screen 42 is positioned at the tail end of the shadow tube 4, a cross line 44 is further arranged on the projection screen 42, and the focal point of the cross line 44 is parallel to the connecting line of the projection hole.
The outer wall of the shadow tube is also provided with at least one adjusting screw 6 for adjusting the projection screen.
The adjusting screws 6 are three, and the included angle between every two adjacent adjusting screws 6 is 120 degrees.
The utility model has the advantages that: the common astronomical telescope aims at the sun, high heat of the sun is collected, eyes of a user are injured and blinded instantly, and the telescope can be damaged; the solar guide mark safety filter cover is a safe and smart design, a film for filtering strong light is arranged on the device and is arranged at the front end of an objective lens of a telescope, and all the strong light entering the telescope is prevented from entering the telescope; the user only needs to point the lens cone to the sun approximately, then stands at the front end of the filter cover, observes the shadow position formed by the shadow tube irradiated by the sunlight to the front end of the cover, adjusts the position of the telescope cone, reduces the shadow of the shadow tube under the sunlight, and indicates that the telescope is nearly coaxial with the sun when the shadow of the shadow tube can not be seen; then the user stands to the position where the telescope watches, the posture of the telescope is adjusted according to the position of the small facula projected on the projection screen by the sunlight passing through the small hole, and when the small facula formed by the sunlight beams falls on the center of the projection screen, the user can press the eyes to the eyepiece. If the sun is not in the center of the visual field of the eyepiece, the telescope is adjusted at the moment, the sun is adjusted to the center of the visual field of the eyepiece of the telescope, and then the position of the projection screen is adjusted, so that the small light spot on the projection screen is positioned at the center of the projection screen. The solar image is completely coaxial with the solar guide mark safety filter cover on the telescope; in the whole process, human eyes do not need to look directly at the sun, the projected shadow of the guide mark pipe with the convex front end is coaxially adjusted, and then the guide mark pipe is accurately positioned by the small-hole light beam.
The scope of the invention is defined by the appended claims and equivalents thereof. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as within the protection scope of the present invention. .
Claims (6)
1. The utility model provides a safe filter lid of solar guide, this safe filter lid of solar guide nestification is at objective lens section of thick bamboo outer lane edge of solar telescope, solar telescope includes the support, installs the lens cone on the support and installs objective lens section of thick bamboo and eyepiece, its characterized in that at the lens cone both ends: the solar guide mark safety filter comprises a cover body (1) and a guide mark structure; the cover body (1) is plate-shaped, one side surface of the cover body (1) is provided with a mounting surface (2) which can be mutually embedded with the outer ring of the objective lens barrel, the mounting surface (2) penetrates through the cover body (1), a solar light filtering film (3) is further arranged in the mounting surface (2), the guide mark structure comprises a shadow tube (4), a projection hole (41) and a projection screen (42), the shadow tube (4) is vertically arranged on the surface of the cover body (1) and the shadow tube (4) extends coaxially with the central axis of the lens cone from the surface of the cover body (1) to the direction of the ocular lens, the projection hole (41) is positioned on the cover body (1) and penetrates into the shadow tube (4), the projection screen (42) is positioned at the tail end of the shadow tube (4), a cross line (44) is further arranged on the projection screen (42), and a connecting line of a focus of the cross line (44) and the projection hole (41) is parallel to the central axis of the shadow tube (4).
2. A solar guide sign safety filter cover according to claim 1, wherein: the guide structure further comprises a guide pipe (43), the guide pipe (43) and the shadow pipe (4) are coaxially arranged, the extending direction is opposite, and the tail end of the guide pipe (43) is open.
3. A solar guide sign safety filter cover according to claim 1, wherein: the guide mark structure further comprises a guide mark column (45), wherein the guide mark column (45) is perpendicular to the surface of the cover body (1) and the extending direction of the guide mark column is opposite to that of the shadow tube (4).
4. A solar guide sign safety filter cover according to claim 1, wherein: the solar guide mark safety filter further comprises a locking device, wherein the locking device comprises a locking hole located on the side face of the edge of the cover body (1) and a locking screw (5) matched with the locking hole for use.
5. A solar guide sign safety filter cover according to claim 1, wherein: the outer wall of the shadow tube (4) is also provided with at least one adjusting screw (6) for adjusting the projection screen.
6. The solar guide sign safety filter cover of claim 5, wherein: the adjusting screws (6) are three, and the included angle between every two adjacent adjusting screws (6) is 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920603847.7U CN210142234U (en) | 2019-04-29 | 2019-04-29 | Sun guide mark safety filter cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920603847.7U CN210142234U (en) | 2019-04-29 | 2019-04-29 | Sun guide mark safety filter cover |
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| Publication Number | Publication Date |
|---|---|
| CN210142234U true CN210142234U (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920603847.7U Active CN210142234U (en) | 2019-04-29 | 2019-04-29 | Sun guide mark safety filter cover |
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| CN (1) | CN210142234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058397A (en) * | 2019-04-29 | 2019-07-26 | 南通斯密特森光电科技有限公司 | A kind of sun beacon security filter lid |
-
2019
- 2019-04-29 CN CN201920603847.7U patent/CN210142234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058397A (en) * | 2019-04-29 | 2019-07-26 | 南通斯密特森光电科技有限公司 | A kind of sun beacon security filter lid |
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