CN219225739U - Light utensil convenient to range finding - Google Patents
Light utensil convenient to range finding Download PDFInfo
- Publication number
- CN219225739U CN219225739U CN202320025092.3U CN202320025092U CN219225739U CN 219225739 U CN219225739 U CN 219225739U CN 202320025092 U CN202320025092 U CN 202320025092U CN 219225739 U CN219225739 U CN 219225739U
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- Prior art keywords
- lens
- seat
- imaging plate
- distance
- illuminant
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- 238000003384 imaging method Methods 0.000 claims abstract description 85
- 238000005259 measurement Methods 0.000 claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Measurement Of Optical Distance (AREA)
Abstract
The utility model discloses a light tool convenient for distance measurement, which is sequentially provided with a luminous body, a lens and an imaging plate at intervals along a straight line, wherein a first distance measuring piece is arranged on the luminous body or the lens, the first distance measuring piece is used for measuring the distance between the luminous body and the lens, a second distance measuring piece is arranged on the imaging plate or the lens, and the second distance measuring piece is used for measuring the distance between the imaging plate and the lens. The utility model improves the experimental efficiency, increases the expectation of success realization, reduces the difficulty of experimental exploration, and solves the problem that the distance is calculated based on the positions of the illuminant, the lens and the imaging plate after measurement.
Description
Technical Field
The utility model relates to the field of optics, in particular to an optical tool convenient for distance measurement.
Background
In optics, an image formed by actual light rays converging, called a real image, can be received by a light screen; otherwise, the virtual image is called a virtual image, which can only be perceived by eyes. An experienced physical teacher, when teaching the distinction between real and virtual images, often mentions such a distinction method: the "real images" are all inverted, while the virtual images are all upright. The terms "upright" and "inverted" are, of course, relative to the original object. Three virtual images formed by the plane mirror, the convex mirror and the concave lens are all upright; the real image formed by the concave mirror and the convex lens and the real image formed by the small hole imaging are inverted without exception. Of course, the concave mirror and the convex lens may be formed as virtual images, and both virtual images formed by them are also in an upright state. The existing lens experiment optical tool only has one scale, so that the positions of a lens, a light screen, an object and the like can be read out, the positions are required to be fixed during experiments so as to be convenient for measurement, and the distances are required to be calculated based on the positions of the lens, the light screen and the object after measurement, so that the experiment is inconvenient, the distances and the positions are easy to be confused due to the fact that the experiment is inconvenient, and the rule of lens imaging is unfavorable to be analyzed.
Disclosure of Invention
The utility model aims at: aiming at the fact that the existing experimental light has only one scale, the positions of a lens, a light screen, an object and the like can be read out, the imaging rule of the lens is not easy to analyze, the optical tool convenient for distance measurement is provided, and the problem that the distance is calculated based on the positions of the lens, the light screen and the object after measurement is solved.
The technical scheme of the utility model is as follows:
the device comprises a luminous body, a lens and an imaging plate, wherein the luminous body, the lens and the imaging plate are sequentially arranged at intervals along a straight line, a first distance measuring piece and a first distance measuring piece are arranged on the luminous body and move synchronously along with the luminous body, the first distance measuring piece is used for measuring the distance between the luminous body and the lens, a second distance measuring piece and a second distance measuring piece are arranged on the imaging plate and move synchronously along with the imaging plate, the distance between the imaging plate and the lens can be directly read out through the first distance measuring piece, the distance between the imaging plate and the lens can be directly read out through the second distance measuring piece, the experimental efficiency is improved, the successful expectation is increased, the difficulty of experimental exploration is reduced, and the problem that the distance is calculated based on the positions of the luminous body, the lens and the imaging plate after measurement is solved.
Still further, in order to limit the light emitter, the lens and the imaging plate, one possible solution is: the light tool further comprises a guide rod, the light body is arranged on the light body seat, the lens is arranged on the lens seat, the imaging plate is arranged on the imaging plate seat, the light body seat, the lens seat and the imaging plate seat are matched with the guide rod, and the light body, the lens and the imaging plate move linearly along the guide rod, so that the light body, the lens and the imaging plate can be ensured to be always positioned on the same straight line in the experimental process.
Preferably, the number of the guide rods is not less than two, and the luminous body, the lens and the imaging plate are limited through at least two guide rods which are arranged in parallel, so that circumferential displacement of the luminous body, the lens or the imaging plate is avoided, and the accuracy of experiments is further ensured.
Still further, to facilitate reading, one possible solution is to: the first distance measuring piece comprises a first tape and a first tape fixing piece, the first tape fixing piece is connected with the illuminant seat, the second distance measuring piece comprises a second tape and a second tape fixing piece, and the second tape fixing piece is connected with the imaging plate seat.
Furthermore, the lens seat is connected with the fixing ring, and the fixing ring is used for connecting and fixing the head iron sheet of the first tape measure and the head iron sheet of the second tape measure, so that the end surfaces of the head iron sheet of the first tape measure and the head iron sheet of the second tape measure are respectively positioned at two sides of the lens symmetry plane.
Still further, in order to facilitate fixing the illuminant base, the lens base and the imaging plate base, one possible solution is: the luminous body seat, the lens seat and the imaging plate seat all comprise fixing pieces, and the fixing pieces are used for fixing the luminous body seat, the lens seat or the imaging plate seat on the guide rod, so that the principle is simple and the imaging plate seat is easy to realize.
Furthermore, the fixing piece is a fastening bolt, and the illuminant seat, the lens seat and the imaging plate seat can be conveniently and rapidly fixed by rotating the fastening bolt.
Furthermore, the imaging plate is detachably arranged on the imaging plate seat through the mounting frame, so that the imaging plate is convenient to mount and replace.
Furthermore, the installation mode of the imaging plate is not limited uniquely, and one possible scheme is as follows: the mounting frame is provided with the limit groove, and the imaging plate is inserted into the limit groove or taken out from the limit groove during mounting or dismounting, so that the principle is simple and the implementation is easy.
Compared with the prior art, the utility model has the beneficial effects that:
the distance between the illuminant and the lens can be directly read through the first distance measuring piece, the distance between the imaging plate and the lens can be directly read through the second distance measuring piece, the experimental efficiency is improved, the expectation of success is increased, the difficulty of experimental exploration is reduced, and the problem that the distance is calculated based on the positions of the illuminant, the lens and the imaging plate after measurement is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a lens and a lens holder according to the present utility model;
fig. 3 is a schematic view of a mounting frame and an imaging plate base according to the present utility model.
Reference numerals:
1. a light emitting body; 11. a light emitter base;
2. a first distance measuring member; 21. a first tape measure; 22. a first tape measure holder;
3. a lens; 31. a lens holder; 32. a fixing ring;
4. a second distance measuring member; 41. a second tape measure; 42. a second tape measure holder;
5. an imaging plate; 51. an imaging plate holder; 52. a mounting frame; 53. a limit groove;
6. a guide rod;
7. and a fixing piece.
Detailed Description
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present utility model are described in further detail below in connection with examples.
Referring to fig. 1, an optical tool convenient for ranging is provided with a light emitter 1, a lens 3 and an imaging plate 5 at intervals along a straight line, wherein a first ranging piece 2 is installed on the light emitter 1 or the lens 3, the first ranging piece 2 is used for measuring the distance between the light emitter 1 and the lens 3, a second ranging piece 4 is installed on the imaging plate 5 or the lens 3, the second ranging piece 4 is used for measuring the distance between the imaging plate 5 and the lens 3, the distance between the light emitter 1 and the lens 3 can be directly read out through the first ranging piece 2, and the distance between the imaging plate 5 and the lens 3 can be directly read out through the second ranging piece 4, so that experimental efficiency is improved, successful expectation is increased, experimental exploration difficulty is reduced, and the problem that the distance is calculated based on the positions of the light emitter 1, the lens 3 and the imaging plate 5 after measurement is solved.
Specifically, in the present embodiment, the light-emitting body 1 includes a group of LED lamps arranged in an "F" shape and a switch for controlling the LED lamps.
In order to limit the illuminant 1, the lens 3 and the imaging plate 5, one possible solution is: the light tool further comprises a guide rod 6, the light emitter 1 is arranged on the light emitter seat 11, the lens 3 is arranged on the lens seat 31, the imaging plate 5 is arranged on the imaging plate seat 51, the light emitter seat 11, the lens seat 31 and the imaging plate seat 51 are matched with the guide rod 6, the light emitter 1, the lens 3 and the imaging plate 5 move linearly along the guide rod 6, and the light emitter 1, the lens 3 and the imaging plate 5 can be ensured to be always positioned on the same straight line in the experimental process.
Preferably, the number of the guide rods 6 is not less than two, and the luminous body 1, the lens 3 and the imaging plate 5 are limited by at least two guide rods 6 which are arranged in parallel, so that circumferential displacement of the luminous body 1, the lens 3 or the imaging plate 5 is avoided, and the accuracy of the experiment is further ensured.
One possible solution for facilitating the reading is to: the first distance measuring piece 2 includes first tape 21 and first tape fixing piece 22, and luminous body seat 11 is connected to first tape fixing piece 22, and the second distance measuring piece 4 includes second tape 41 and second tape fixing piece 42, and imaging plate seat 51 is connected to second tape fixing piece 42, because first tape 21 and second tape 41 can shrink automatically, the reading of being convenient for further improves experimental efficiency.
Referring to fig. 1 and 2, the lens holder 31 is connected to the fixing ring 32, and the fixing ring 32 is used for connecting and fixing the head iron piece of the first tape 21 and the head iron piece of the second tape 41, so as to ensure that the end surfaces of the head iron piece of the first tape 21 and the head iron piece of the second tape 41 are respectively located at two sides of the symmetry plane of the lens 3.
In order to facilitate fixing the illuminant base 11, the lens base 31 and the imaging plate base 51, one possible solution is: the illuminant seat 11, the lens seat 31 and the imaging plate seat 51 all comprise fixing pieces 7, and the fixing pieces 7 are used for fixing the illuminant seat 11, the lens seat 31 or the imaging plate seat 51 on the guide rod 6, so that the principle is simple and easy to realize.
The fixing member 7 is a fastening bolt, and the illuminant base 11, the lens base 31, and the imaging plate base 51 can be fixed conveniently and quickly by rotating the fastening bolt.
Referring to fig. 1 and 3, the imaging plate 5 is detachably mounted on the imaging plate holder 51 by a mounting frame 52, so that the imaging plate 5 can be conveniently mounted and replaced.
Preferably, the imaging plate 5 is marked with graduations, so that the imaging size can be directly read, and the reading comparison analysis of the first measuring tape 21 and the second measuring tape 41 is performed, so that the rule of lens imaging is analyzed.
The present solution does not limit the installation way of the imaging plate 5 only, one possible solution is: the mounting frame 52 is provided with the limit groove 53, and the imaging plate 5 is inserted into the limit groove 53 or taken out from the limit groove 53 during mounting or dismounting, so that the principle is simple and the implementation is easy.
The working principle of the embodiment is as follows:
adjusting the distance between the illuminant seat 11 and the lens seat 31 to be a preset distance, adjusting the distance between the lens seat 31 and the imaging plate seat 51 to be a preset distance, and recording the imaging size on the imaging plate 5; or adjusting the illuminant base 11, the lens base 31 and the imaging plate base 51 a plurality of times so that the imaging size on the imaging plate 5 is unchanged, recording the changing distance between the illuminant base 11 and the lens base 31, and the distance between the lens base 31 and the imaging plate base 51. The recorded data is analyzed to explore the laws of lens imaging.
The beneficial effects of this embodiment are:
the distance between the luminous body 1 and the lens 3 can be directly read through the first distance measuring piece 2, the distance between the imaging plate 5 and the lens 3 can be directly read through the second distance measuring piece 4, the experimental efficiency is improved, the expectation of success is increased, the difficulty of experimental exploration is reduced, and the problem that the distance is calculated based on the positions of the luminous body 1, the lens 3 and the imaging plate 5 after measurement is solved.
The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025092.3U CN219225739U (en) | 2023-01-05 | 2023-01-05 | Light utensil convenient to range finding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025092.3U CN219225739U (en) | 2023-01-05 | 2023-01-05 | Light utensil convenient to range finding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219225739U true CN219225739U (en) | 2023-06-20 |
Family
ID=86741633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320025092.3U Expired - Fee Related CN219225739U (en) | 2023-01-05 | 2023-01-05 | Light utensil convenient to range finding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219225739U (en) |
-
2023
- 2023-01-05 CN CN202320025092.3U patent/CN219225739U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |