CN210489005U - Optical refraction demonstration device for junior middle school physics teaching - Google Patents
Optical refraction demonstration device for junior middle school physics teaching Download PDFInfo
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- CN210489005U CN210489005U CN201921633051.2U CN201921633051U CN210489005U CN 210489005 U CN210489005 U CN 210489005U CN 201921633051 U CN201921633051 U CN 201921633051U CN 210489005 U CN210489005 U CN 210489005U
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- swing rod
- storage box
- incident
- emergent
- optical refraction
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Abstract
The utility model relates to a teaching equipment field specifically is an optics refraction presentation device for junior middle school physics teaching. The solar energy storage device comprises supporting legs, a storage box, an incident swing rod and an emergent swing rod, wherein the storage box is mounted on the supporting legs and is a cylinder, a partition plate is arranged in the middle of the storage box and is divided into an upper part and a lower part, each part is provided with an independent opening, a light barrier is arranged below the storage box, the incident swing rod is hinged to the center position in front of the storage box, a laser lamp is arranged on the incident swing rod, a sliding groove is arranged in front of the storage box, a sliding block is arranged in the sliding groove, the emergent swing rod is hinged to the sliding block, and a reflector is arranged; the storage box, the incident swing rod and the emergent swing rod are all made of high-transparency materials. The utility model discloses simple structure uses in a flexible way, is suitable for the liquid or gaseous state medium of various different grade types, conveniently carries out incident position and refraction position's differentiation moreover, has also made things convenient for the student to the searching of jet-out facula, and the use is directly perceived clear and definite.
Description
Technical Field
The utility model relates to a teaching equipment field specifically is an optics refraction presentation device for junior middle school physics teaching.
Background
In the physics teaching process of junior high school, optics is the important teaching content of a part, in the learning process, must can involve the relevant content of optical refraction, the in-process that light penetrated into another kind of medium from a medium, because the propagation velocity of light in different media is different, can produce the deflection of light at the juncture of two kinds of media, this is exactly the refraction of light, the refraction of light can take place at solid, liquid and gas arbitrary between the two, current optical refraction presentation device is used for demonstrating the light refraction between air and solid mostly, and less to the light refraction presentation device of liquid and gas, for the refraction condition of better demonstration light in liquid and gas, reinforcing teaching effect, the utility model provides an optical refraction presentation device for the physics teaching of junior high school.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an optics refraction presentation device for junior middle school physics teaching makes things convenient for teachers to demonstrate the refraction condition of light between liquid, gas, has strengthened the teaching effect in classroom.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a optical refraction presentation device for junior middle school physics teaching, including landing leg, storage tank, incident pendulum rod, outgoing pendulum rod, its characterized in that:
the supporting legs are provided with the storage box, the storage box is a hollow cylinder which is inclined, the middle of the storage box is provided with a partition plate which is divided into an upper part and a lower part, each part is provided with an independent opening for adding experimental liquid or gas, a light barrier is arranged below the lower part of the storage box, the center position in front of the storage box is hinged with the incident swing rod, the incident swing rod is provided with a laser lamp, light emitted by the laser lamp along with the swing of the incident swing rod can be emitted into the storage box from the outer side of the upper part of the storage box, a sliding groove is arranged in front of the storage box, a sliding block is arranged in the sliding groove, the sliding block is hinged with the emergent swing rod, a reflector is arranged below the emergent swing rod, and the emergent swing rod can rotate to drive the reflector to receive the refracted light and reflect the; the storage box, the incident swing rod and the emergent swing rod are all made of high-transparency materials.
Furthermore, scale marks are arranged on the incident swing rod and the emergent swing rod, and a fixed dial is arranged at the hinged position of the incident swing rod and the emergent swing rod.
Further, the thickness of the partition is much smaller than the thickness of the wall surface of the storage tank.
Further, the range of the light barrier can receive any position to which reflection is possible.
Further, the cross section of the reflector is triangular.
Further, a plug is arranged at the opening hole on the storage tank.
Furthermore, a fastening bolt is arranged on the sliding block for fastening.
Furthermore, the moving range of the hinge joint position of the emergent swing rod on the sliding block is positioned in the center, the left side and the right side of the storage box.
The utility model has the advantages that:
the utility model comprises supporting legs, a storage tank, an incident swing rod, an emergent swing rod and the like, two different liquid or gas media can be freely selected to be added into two parts of the storage tank when in use, light can be injected into the storage tank at a proper angle by adjusting the angle of the incident swing rod, the injected light can not be refracted from the outside due to the cylindrical storage tank, and can be shot to the circle center position of the cylindrical storage tank, at the moment, the light can pass through a partition plate to enter into another medium, so that the light is refracted, the angle of the emergent swing rod is adjusted, the refracted light falls on a reflector and is reflected to a light baffle, whether the angle of the emergent swing rod is proper or not is determined by the position of a light spot on the light baffle, at the moment, the angles of the incident swing rod and the emergent swing rod are equal to the incident angle and the refraction angle of the light, the front and back paths of the light can be more visually displayed by measuring the angles of, and light after the refraction has carried out the reflection again for the facula falls on the plane that is close to the perpendicular to student's sight, and the student in the classroom of being more convenient for seeks the facula, differentiatees the angle of refraction light, and the facula place plane of light is mostly parallel with people's sight in current device, and inconvenient looking over under the condition of non-mobile position can avoid this kind of problem through the reflection of light. The utility model discloses simple structure uses in a flexible way, compares with current presentation device, is suitable for the liquid or gaseous state medium of various different grade types, makes things convenient for the teacher to carry out diversified classroom demonstration design, conveniently carries out incident position and refraction position's differentiation moreover, has also made things convenient for the student to the searching of the facula of emittings, and the use is more directly perceived clear and definite.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the structure of the landing leg of the present invention.
Fig. 4 is a schematic view of the storage tank of the present invention.
Fig. 5 is a schematic view of the storage tank of the present invention.
Fig. 6 is a schematic structural view of the incident oscillating rod of the present invention.
Fig. 7 is a schematic view of the structure of the exit oscillating bar of the present invention.
Fig. 8 is a detailed view of the clamp of the present invention.
Fig. 9 is a detailed view of the fastening bolt of the present invention.
Wherein: 1 leg, 2 storage tanks, 3 incident pendulum rods, 4 emergent pendulum rods, 5 graduation lines, 6 graduated disks, 101 upright rods, 102 bolts, 201 partition plates, 202 upper parts, 203 lower parts, 204 open holes, 205 threaded plugs, 206 light barrier plates, 207 sliding grooves, 208 sliding blocks, 209 fastening bolts, 301 clamps, 302 laser lamps and 401 reflectors.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "back", "vertical", "lateral", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-9, the utility model discloses an optical refraction presentation device for junior middle school physics teaching, including landing leg 1, storage tank 2, incident pendulum rod 3, outgoing pendulum rod 4, landing leg 1 main part is a flat board, has two vertical and parallel pole settings 101 on the flat board, and two pole settings 101 pass through bolt 102 and connect at the back of storage tank 2.
The storage tank 2 is a hollow cylinder, the interior of the storage tank 2 is hollow, a partition 201 is arranged in the middle of the interior of the storage tank 2 in the horizontal direction and is divided into an upper part 202 and a lower part 203, the thickness of the partition 201 is far smaller than that of the wall surface of the storage tank 2, excessive deviation of light after passing through the partition 201 is prevented, the upper part 202 and the lower part 203 are both provided with independent openings 204 at the back of the storage tank 2 for adding experimental liquid or gas into the openings, threaded plugs 205 are arranged at the positions of the openings 204 for keeping the storage tank 2 sealed, and a light baffle 206 is arranged below the lower part 203 of the storage tank 2 for receiving reflected light.
The center position in front of the storage tank 2 is hinged with one end of an incident swing rod 3, the incident swing rod 3 is a long straight rod, the other end of the incident swing rod 3 is provided with a clamp 301, a laser lamp 302 is clamped in the clamp 301, the irradiation direction of the laser lamp 302 points to the circle center of the storage tank 2, light emitted by the laser lamp 302 along with the swing of the incident swing rod 3 can be emitted into the storage tank 2 from any position outside the upper part 202 of the storage tank, a sliding groove 207 is arranged below the incident swing rod 3 in front of the storage tank 2, a T-shaped sliding block 208 is arranged in the sliding groove 207 for sliding, an emergent swing rod 4 is hinged on the sliding block 208, the moving range of the hinged position of the emergent swing rod 4 is the center and the left side and the right side of the storage tank 2, meanwhile, a fastening bolt 209 is arranged on the sliding block 208, the right side and left side position can be conveniently adjusted properly to overcome errors caused by light deviation, the cross section of the reflector 401 is triangular, so that whether refracted rays irradiate the central position of the reflector 401 or not can be conveniently judged, the emergent swing rod 4 can rotate around the hinged position to drive the reflector 401 to rotate, the refracted rays are received and reflected to the light barrier 206, and the range of the light barrier 206 can receive any position which can be reflected; the storage box 2, the incident swing rod 3 and the emergent swing rod 4 are all made of high-transparency materials.
Furthermore, the incident swing rod and the emergent swing rod are both provided with scale marks 5, and the hinged position of the incident swing rod 3 and the hinged position of the emergent swing rod 4 are provided with fixed dials 6, so that the angles of the incident swing rod 3 and the emergent swing rod 4 can be directly read conveniently, and the reading is visual and clear.
The working principle is as follows: before use, the threaded plug 205 is removed, and different media are respectively added into the upper part 202 and the lower part 203, and the upper part and the lower part are required to be filled with the media, so that air cannot exist; when the laser lamp is used, the laser lamp 302 is turned on, the incident swing rod 3 is rotated, light rays are made to be incident into the storage tank 2 from the outer side of the upper part 202, the incident angle of the light rays is the angle of the incident swing rod 3, the incident angle can be known by reading the scale mark 5 and the dial scale 6, the incident light rays can generate certain offset when passing through the partition plate 201, in order to overcome errors, the circle center of the emergent swing rod 4 can be coincided with the refracted light rays by moving the sliding block 208, the emergent swing rod 4 is rotated, meanwhile students can observe the light barrier 206 in front of the utility model, when the light spots appear on the light barrier, the light rays are irradiated on the reflector 401 and reflected, but because the reflector 401 is not a plane, when the light spots are observed from the front, the emergent swing rod 4 can not block the light spots, the emergent swing rod 4 is adjusted by a small amplitude, when the emergent swing rod 4 blocks the light spots, the, the angle of the outgoing swing rod 4 is the angle of the refracted light, the refraction angle of the light can be known through the scales 5 and the dial 6, so that the refraction process of the light which cannot be felt between different media is converted into a rod body which can be directly measured and contacted, and understanding is facilitated.
Further, the above-mentioned fixed connection and fixed mounting are to be understood in a broad sense unless otherwise specifically stated or limited, and may be, for example, welding, gluing, or integrally formed, as is conventional in the art.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The optical refraction demonstration device for junior middle school physics teaching is characterized by comprising supporting legs, a storage box, an incident swing rod and an emergent swing rod, wherein the storage box is mounted on the supporting legs, the storage box is a cylinder, a partition plate is arranged in the middle of the storage box and is divided into an upper part and a lower part, each part is provided with an independent opening, a light barrier is arranged below the storage box, the center position in front of the storage box is hinged with the incident swing rod, a laser lamp is arranged on the incident swing rod, a sliding groove is arranged in front of the storage box, a sliding block is arranged in the sliding groove, the emergent swing rod is hinged on the sliding block, and a reflecting mirror is arranged; the storage box, the incident swing rod and the emergent swing rod are all made of high-transparency materials.
2. The optical refraction demonstration device for junior middle school physics teaching according to claim 1, wherein said incident swing link and said exit swing link are both provided with graduation marks, and a dial is provided at the hinged position of said incident swing link and said exit swing link.
3. An optical refraction demonstration device according to claim 1 wherein said spacer has a thickness much smaller than the thickness of said tank wall.
4. An optical refraction demonstration apparatus for teaching physics in junior middle school according to claim 1 wherein said light barrier is in a range that can receive any possible reflected position.
5. An optical refraction demonstration apparatus for teaching physics in junior middle school according to claim 1 wherein said mirror is triangular in cross section.
6. An optical refraction demonstration device according to claim 1 wherein said opening in said tank is plugged.
7. An optical refraction demonstration device for junior middle school physics teaching as claimed in claim 1 wherein said slide block has a set screw for setting.
8. The optical refraction demonstrating device for junior middle school physics teaching according to claim 1, wherein the range of movement of the hinge position of said exit swing link on said sliding block is in the center and left and right sides of said storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633051.2U CN210489005U (en) | 2019-09-28 | 2019-09-28 | Optical refraction demonstration device for junior middle school physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633051.2U CN210489005U (en) | 2019-09-28 | 2019-09-28 | Optical refraction demonstration device for junior middle school physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210489005U true CN210489005U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921633051.2U Expired - Fee Related CN210489005U (en) | 2019-09-28 | 2019-09-28 | Optical refraction demonstration device for junior middle school physics teaching |
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| CN (1) | CN210489005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299168A (en) * | 2021-07-27 | 2021-08-24 | 深圳市强华威智能科技有限公司 | Light reflection and refraction measuring device |
-
2019
- 2019-09-28 CN CN201921633051.2U patent/CN210489005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299168A (en) * | 2021-07-27 | 2021-08-24 | 深圳市强华威智能科技有限公司 | Light reflection and refraction measuring device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 Termination date: 20200928 |