CN209312310U - A kind of teaching aid for demonstrating plane mirror imaging law - Google Patents
A kind of teaching aid for demonstrating plane mirror imaging law Download PDFInfo
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- CN209312310U CN209312310U CN201821704109.3U CN201821704109U CN209312310U CN 209312310 U CN209312310 U CN 209312310U CN 201821704109 U CN201821704109 U CN 201821704109U CN 209312310 U CN209312310 U CN 209312310U
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- plane mirror
- teaching aid
- demonstration board
- demonstration
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Abstract
The utility model discloses a kind of teaching aids for demonstrating plane mirror imaging law, including semi-transparent semi-reflecting lens, demonstration part, measuring tool, bracket and demonstration board, the demonstration board is in be vertically arranged, demonstration board and bracket constitute detachable cooperation, and the semi-transparent semi-reflecting lens, demonstration part and measuring tool are attracted the front that demonstration board is arranged in by magnet.
Description
Technical field
The utility model relates to a kind of optical demo teaching aid, the teaching aid of specifically a kind of demonstration plane mirror imaging law.
Background technique
Optical knowledge is very important part in the learning Content in middle school, including plane mirror imaging knowledge point, is put down
The characteristics of face mirror is imaged is that picture is identical as object size, and picture is equal to object at a distance from plane mirror at a distance from plane mirror, in order to make
Student more understands that the knowledge point, teacher would generally use the teaching aid of demonstration planar imaging rule to demonstrate in teaching,
But the teaching aid for demonstrating plane mirror imaging law on the market now, which needs to be placed on dais, to be used, and student cannot be allowed intuitively to observe
To as being equal to object at a distance from mirror surface at a distance from mirror surface, it is less useful for heel row student and carries out observational learning, influence quality of instruction.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of more more convenient than the prior art intuitively drills
Show the teaching aid of plane mirror imaging law.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of demonstration plane mirror imaging law
Teaching aid, including semi-transparent semi-reflecting lens, demonstration part and measuring tool, including bracket and demonstration board, the demonstration board are drilled in being vertically arranged
Show that plate and bracket constitute detachable cooperation, the semi-transparent semi-reflecting lens, demonstration part and measuring tool are attracted setting by magnet and are drilling
Show the front of plate.
In above-mentioned technical proposal, the vertical direction is the direction perpendicular to ground, and when idle, semi-transparent semi-reflecting lens are drilled
Show that part, measuring tool, demonstration board and bracket separation when need to use, demonstration board and holder combination make to drill convenient for storage
Show that plate is fixed vertically, enable the more intuitive observation experiment of the student of heel row, semi-transparent semi-reflecting lens, demonstration part and measuring tool pass through
Magnet is pull-in on demonstration board, so that semi-transparent semi-reflecting lens, demonstration part and measuring tool is not moved and is fallen in observation, is made to be imaged
It is more stable, also facilitate the shift position in demonstration.
As the further setting of the utility model, the demonstration board is equipped with slot, and the bracket is equipped with and slot
Compatible plug, the plug and slot are mating.
In above-mentioned technical proposal, when in use, the slot of the plug insertion demonstration board of bracket fixes demonstration board vertically,
It is preferred that the axis of slot is overlapped with the axis of demonstration board vertical direction, the square plug of preferably rectangular slot and adaptation makes to demonstrate
Plate is more stable in demonstration, will not rotate, will not influence experiment.
As the further setting of the utility model, the demonstration part includes the identical tabular component of two block-shaped sizes,
The side of two tabular component is equipped with the first magnet.
In above-mentioned technical proposal, in plane mirror experiment, tabular component is easier to carry out imaging than stereoscopic member and is overlapped, and increases
Add conventional efficient, also more convenient to be observed, the first magnet is pull-in on tabular component on demonstration board in observation, Bu Huifa
Life is mobile and falls, while operator being facilitated just to move.
As the further setting of the utility model, the side of the semi-transparent semi-reflecting lens is provided with the fixation of the second magnet of band
Seat.
In above-mentioned technical proposal, fixing seat is fixed on semi-transparent semi-reflecting lens on demonstration board when in use, but also operator
Member does not touch semi-transparent semi-reflecting lens when being installed and being removed, and undue force leads to semi-transparent semi-reflecting lens when preventing because of installation and dismounting
There is the case where fragmentation.
As the further setting of the utility model, the measuring tool includes a measurement thin slice, the measurement thin slice
On portrayed scale or grid.
In above-mentioned technical proposal, grid is preferably used, after many experiments, grid necessarily will appear abrasion, whole in order to extend
The service life of a teaching aid needs to replace measuring tool, and the replacement cost for measuring thin slice is low, measurement thin slice band magnetic itself
Property or by external magnet be fixed to demonstration board on, preferably fixed by external magnet, replacement cost can be further decreased.
As the further setting of the utility model, the measuring tool be directly portray in the positive scale of demonstration board or
Grid.
In above-mentioned technical proposal, scale or grid are directly portrayed in the front of demonstration board, preferably use grid, do not increase additional
Component improves the efficiency removed, demonstrate and installed, and grid is arranged on demonstration board, will not lead to skew because of external force,
Influence accuracy of measurement.
As the further setting of the utility model, the slot is located at the back side of demonstration board.
In above-mentioned technical proposal, slot is located at demonstration back, on the one hand beautiful, on the other hand makes slot and demonstration board
Contact area increase, enable slot is stronger to be fixed on bracket.
As the further setting of the utility model, the bracket includes support base and vertical vertical on support base
Bar, the vertical posts and support base are detachable setting, and the plug is located at the top of vertical posts.
In above-mentioned technical proposal, supporting structure is simple, and occupied area is small, do not need using when make, by vertical posts with
Support base is split, and convenient for storage, support base keeps bracket more stable, when needing to observe imaging from different perspectives, bracket energy root
It is placed in the plane of different height according to demand, such as ground or desktop.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing 1 is the utility model specific embodiment front schematic view；
Attached drawing 2 is that the utility model specific embodiment reverse side disassembles schematic diagram；
Attached drawing 3 is the utility model support base and vertical posts specific embodiment connection schematic diagram；
Attached drawing 4 is the utility model tabular component specific embodiment schematic diagram；
Attached drawing 5 is the utility model semi-transparent semi-reflecting lens specific embodiment schematic diagram；
Attached drawing 6 is the specific measuring tool embodiment schematic diagram of the utility model.
Specific embodiment
Vertical direction is the direction perpendicular to ground in the present embodiment.
Specific embodiment of the utility model as shown in figures 1 to 6, including drill by a kind of teaching aid for demonstrating plane mirror imaging law
Show part 1, semi-transparent semi-reflecting lens 2, measuring tool 3, bracket 4 and demonstration board 5, the bracket 4 is including support base 42 and is located at support base
Vertical posts 43 on 42, the vertical posts 43 are detachable setting with support base 42, and 4 structure of bracket is simple, occupied area
It is small, do not need using when make, vertical posts 43 and support base 42 are split, convenient for storage, preferably support base 42 with it is vertical stand
Bar 43 is connected through a screw thread, and when needing to observe imaging from different perspectives, bracket 4 can be placed on the flat of different height according to demand
On face, such as ground or desktop, the demonstration board 5 is equipped with slot 51, and the bracket 4 is equipped with plug compatible with slot 51
41, the plug 41 is located at the top of vertical posts 43, and the plug 41 and slot 51 are mating, and slot 51 is located at demonstration board
5 back side, it is on the one hand beautiful, increase the contact area of slot 51 and demonstration board 5, keeps slot 51 more firm
Solid be fixed on bracket 4, when in use, the plug 41 of bracket 4 is inserted into the slot 51 of demonstration board 5, keeps demonstration board 5 solid vertically
It is fixed, enable the more intuitive observation experiment of the student of heel row, preferably the axis weight of the axis of slot 51 and 5 vertical direction of demonstration board
It closes, the square plug 41 of preferably rectangular slot 51 and adaptation, keeps demonstration board 5 more stable in demonstration, will not rotate,
It will not influence experiment, demonstration part 1, semi-transparent semi-reflecting lens 2 and measuring tool 3 are pull-in on the front of demonstration board 5 by magnet 6, make to drill
Show that part 1, semi-transparent semi-reflecting lens 2 and measuring tool 3 will not be moved and be fallen in observation, keeps imaging more stable, also facilitate and drilling
Shift position when showing, when idle, demonstration part 1, semi-transparent semi-reflecting lens 2, measuring tool 3, demonstration board 5 and bracket 4 are separated, convenient for receiving
It receives, the demonstration part 1 includes the identical tabular component 11 of two block-shaped sizes, and the side of two tabular component 11 is equipped with first
Magnet 61, in plane mirror experiment, tabular component 11 is easier to carry out imaging than stereoscopic member and is overlapped, also more convenient to be seen
It examines, the first magnet 61 makes tabular component 11 not move and fall in observation, while operator being facilitated just to move
Dynamic, the side of the semi-transparent semi-reflecting lens 2 is provided with the fixing seat 21 of the second magnet of band 62, and fixing seat 21 makes semi-transparent semi-reflecting lens 2 exist
It is fixed on when use on demonstration board 5, but also operator does not touch semi-transparent semi-reflecting lens 2 when installing and removing, prevents
Undue force causes semi-transparent semi-reflecting lens 2 the case where fragmentation occur when because of installation and dismounting, and the measuring tool 3 includes a measurement
Thin slice 31 has portrayed grid on the measurement thin slice 31, and after many experiments, grid necessarily will appear abrasion, whole in order to extend
The service life of a teaching aid needs to replace measuring tool 3, and the replacement cost for measuring thin slice 31 is low, and measurement thin slice 31 is logical
External magnet 63 is crossed fixed on demonstration board 5, replacement cost can be further decreased, the grid measured on thin slice 31 can also be direct
It portrays on demonstration board 5.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to the utility model public affairs
The content opened can be implemented the utility model or all using the utility model using other a variety of specific embodiments
Design structure and thinking, do simple change or change, both fall within the protection scope of the utility model.
Claims (8)
1. a kind of teaching aid for demonstrating plane mirror imaging law, including semi-transparent semi-reflecting lens, demonstration part and measuring tool, feature exist
In: including bracket and demonstration board, for the demonstration board in being vertically arranged, demonstration board and bracket constitute detachable cooperation, described semi-transparent
Semi-reflective mirror, demonstration part and measuring tool are attracted the front that demonstration board is arranged in by magnet.
2. a kind of teaching aid for demonstrating plane mirror imaging law according to claim 1, it is characterised in that: on the demonstration board
Equipped with slot, the bracket is equipped with plug compatible with slot, and the plug and slot are mating.
3. a kind of teaching aid for demonstrating plane mirror imaging law according to claim 1, it is characterised in that: the demonstration part packet
The identical tabular component of two block-shaped sizes is included, the side of two tabular component is equipped with the first magnet.
4. a kind of teaching aid for demonstrating plane mirror imaging law according to claim 1, it is characterised in that: described semi-transparent semi-reflecting
The side of mirror is provided with the fixing seat of the second magnet of band.
5. a kind of teaching aid for demonstrating plane mirror imaging law according to claim 1, it is characterised in that: the measuring tool
Including a measurement thin slice, scale or grid have been portrayed on the measurement thin slice.
6. a kind of teaching aid for demonstrating plane mirror imaging law according to claim 1, it is characterised in that: the measuring tool
Directly to portray in the positive scale of demonstration board or grid.
7. a kind of teaching aid for demonstrating plane mirror imaging law according to claim 2, it is characterised in that: the slot is located at
The back side of demonstration board.
8. a kind of teaching aid for demonstrating plane mirror imaging law according to claim 7, it is characterised in that: the bracket includes
Support base and the vertical posts on support base, the vertical posts and support base are detachable setting, and the plug is located at
The top of vertical posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704109.3U CN209312310U (en) | 2018-10-19 | 2018-10-19 | A kind of teaching aid for demonstrating plane mirror imaging law |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704109.3U CN209312310U (en) | 2018-10-19 | 2018-10-19 | A kind of teaching aid for demonstrating plane mirror imaging law |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312310U true CN209312310U (en) | 2019-08-27 |
Family
ID=67671215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821704109.3U Active CN209312310U (en) | 2018-10-19 | 2018-10-19 | A kind of teaching aid for demonstrating plane mirror imaging law |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312310U (en) |
-
2018
- 2018-10-19 CN CN201821704109.3U patent/CN209312310U/en active Active
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