CN104240565B - A kind of teaching aid for demonstrating vector correlation - Google Patents
A kind of teaching aid for demonstrating vector correlation Download PDFInfo
- Publication number
- CN104240565B CN104240565B CN201410550918.3A CN201410550918A CN104240565B CN 104240565 B CN104240565 B CN 104240565B CN 201410550918 A CN201410550918 A CN 201410550918A CN 104240565 B CN104240565 B CN 104240565B
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- slide block
- crank
- connecting rod
- light
- base
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Abstract
A kind of teaching aid for demonstrating vector correlation, it includes base, crank base, crank, servomotor, light-emitting device, slide block, first connecting rod, fixing slide block, second connecting rod, roller and support platform；Base one end is provided with crank base and servomotor, and the other end is provided with support platform；Crank lower end is fixed on crank base by bearing and is connected with servomotor by shaft coupling through crank base；Slide block is nested on crank；One end of first connecting rod is hinged with the hinge axis on slide block, and the other end supports the fixing slide block at platform top through being arranged on；One end of second connecting rod is hinged with the hinge axis on slide block, and the other end is hinged with being arranged on the roller shaft supported in platform；The end of slide block hinge axis, first connecting rod are equipped with light-emitting device through fixing one end of slide block and the end of roller shaft.The present invention can demonstrate vector correlation effectively, the most vivid, and makes the correlated knowledge point of student's vector easier to understand.
Description
Technical field
The present invention relates to teaching aid technical field, specifically one be used for demonstrating vector
The teaching aid of relation.
Background technology
In high school physics study, this concept of student's initial contact to vector, some physical quantity
In, should there is numerical values recited (including relevant unit), have direction to determine completely again.
General algebra rule is not followed in computing between this tittle, and follows special operation method
Then.Such as the such physical quantity of displacement, such amount is called physics vector.At present, do not have
There are the most vivid a kind of teaching aid showing vector correlation, especially a kind of demonstration angular velocity and line
Speed and the teaching aid of velocity composite isovector relation, Most students is correlated with for vector
Knowledge and application indigestion and grasp.
Summary of the invention
In order to overcome above-mentioned technical problem, the invention provides a kind of for demonstrate angular velocity with
Linear velocity and the teaching aid of velocity composite isovector relation.
The present invention solves its technical problem and adopts the technical scheme that: one is used for demonstrating vector
The teaching aid of relation, is characterized in that, including base, crank base, crank, servomotor, sends out
Electro-optical device, slide block, first connecting rod, fixing slide block, second connecting rod, roller and support platform；
Described base is a cuboid platform, and one end is provided with crank base and servomotor, the other end
It is provided with support platform, described crank base and support platform leading flank and is positioned at same with base leading flank
On one vertical direction；Described crank lower end is fixed on crank base by bearing and through crank
Seat be connected with servomotor by shaft coupling, crank under the driving of servomotor parallel
Move on the vertical direction of base leading flank；Described slide block is nested on crank axial along crank
Freely-movable；One end of described first connecting rod is hinged with the hinge axis being arranged on slide block,
The other end supports the fixing slide block at platform top through being arranged on, and first connecting rod is in the drive of crank
Under side-to-side movement in the horizontal direction；One end of described second connecting rod be arranged on slide block
Hinge axis is hinged, the other end be arranged on support platform in and in the vertical direction freely up and down
The roller shaft of motion is hinged；The end of slide block hinge axis, first connecting rod are through fixing sliding
One end of block and the end of roller shaft are equipped with light-emitting device.
Preferably, the leading flank of described support platform offers the T-slot of a vertical direction,
The degree of depth of described T-slot is more than roller widths, and the width of T-slot is equal with roller diameter.
Preferably, described crank large end face place plane, described first connecting rod large end face place
Plane and described second connecting rod large end face place plane are parallel to each other.
Preferably, described light-emitting device includes light emitting diode, battery and control switch, institute
Light emitting diode, battery and the control switch stated are connected in series.
Preferably, slide block hinge axis end, first connecting rod it are arranged on described in through fixing slide block
The light emitting diode of the light-emitting device of one end and roller shaft end is respectively adopted different colours
Light emitting diode.
Preferably, the light emitting diode of the light-emitting device of slide block hinge axis end it is arranged on described in
Use red light emitting diodes, described in be arranged on first connecting rod sending out through fixing slide block one end
The light emitting diode of electro-optical device uses yellow light-emitting diode, described in be arranged on roller shaft end
The light emitting diode of the light-emitting device in portion uses blue LED.
The invention has the beneficial effects as follows: after using said structure, the present invention can drill effectively
Show the vector correlation of the synthesis of angular velocity and the relation of linear velocity and speed, not only lively shape
As, and make the correlated knowledge point of student's vector easier to understand.
Accompanying drawing explanation
Fig. 1 is present invention perspective view when launching；
Fig. 2 is the main TV structure schematic diagram of the present invention；
Fig. 3 is the plan structure schematic diagram of the present invention；
Fig. 4 is the demonstration schematic diagram that the present invention carries out velocity composite；
Fig. 5 is the vector correlation figure of velocity composite of the present invention；
In figure: 1 base, 2 crank bases, 3 cranks, 4 servomotors, 5 light-emitting devices, 6
Slide block, 7 first connecting rods, 8 fix slide block, 9 second connecting rods, 10 rollers, 11 support platforms.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, and
In conjunction with its accompanying drawing, the present invention will be described in detail.Following disclosure provides many different
Embodiment or example be used for realizing the different structure of the present invention.In order to simplify the public affairs of the present invention
Opening, hereinafter parts and setting to specific examples are described.Additionally, the present invention is permissible
Repeat reference numerals and/or letter in different examples.This repetition is to simplify and clear
Purpose, itself do not indicate discussed various embodiment and/or arrange between relation.Should
Working as attention, parts illustrated in the accompanying drawings are not drawn necessarily to scale.Present invention omits
To the description of known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
As shown in Figure 1, Figure 2 and Figure 3, the present invention's is a kind of for demonstrating vector correlation
Teaching aid, it include base 1, crank base 2, crank 3, servomotor 4, light-emitting device 5,
Slide block 6, first connecting rod 7, fixing slide block 8, second connecting rod 9, roller 10 and support platform
11；Described base 1 is a cuboid platform, and one end is provided with crank base 2 and servomotor
4, the other end is provided with support platform 11, described crank base 2 and support platform 11 leading flank with
Base 1 leading flank is positioned on same vertical direction；Described crank 3 lower end is fixed by bearing
It is connected with servomotor 4 by shaft coupling on crank base 2 and after crank base 2,
Crank 3 is transported under the driving of servomotor 4 on the vertical direction of parallel plinth 1 leading flank
Dynamic；Described slide block 6 is nested on crank 3 along crank 3 axial free movement；Described first
One end of connecting rod 7 is hinged with the hinge axis being arranged on slide block 6, and the other end is through arranging
Supporting the fixing slide block 8 at platform 11 top, fixing slide block 8 is provided with and makes first connecting rod freely
The through hole passed, first connecting rod 7 is side-to-side movement in the horizontal direction under the drive of crank 3；
One end of described second connecting rod 9 is hinged with the hinge axis being arranged on slide block 6, the other end
Be arranged on support platform 11 in and roller 10 wheel shaft that freely moves up and down of in the vertical direction
It is hinged；The end of slide block 6 hinge axis, first connecting rod 7 are through the one end fixing slide block 8
It is equipped with light-emitting device 5 with the end of roller 10 wheel shaft.
Preferably, the leading flank of described support platform 11 offer a vertical direction for holding
Receiving the T-slot of roller 10, the degree of depth of described T-slot is more than roller 10 width, T-slot
Width and roller 10 equal diameters, roller 10 can freely move up and down in T-slot.
Preferably, described crank 3 large end face place plane, described first connecting rod 7 large end face
Place plane and described second connecting rod 9 large end face place plane are parallel to each other, i.e. crank 3,
The plane of movement of first connecting rod 7 and second connecting rod 9 is parallel to each other, it is ensured that vector correlation is drilled
Show effect.
Preferably, described light-emitting device 5 includes light emitting diode, battery and control switch,
Described light emitting diode, battery and control switch are connected in series, and described in be arranged on cunning
Block 6 hinge axis end, first connecting rod 7 are through fixing slide block 8 one end and roller 10 axle end
The light emitting diode of the light-emitting device 5 in portion is respectively adopted the light emitting diode of different colours, increases
Strong demonstrating effect.In order to make demonstrating effect more vivid, described in be arranged on slide block 6
The light emitting diode of the light-emitting device 5 of hinge axis end uses red light emitting diodes, described
It is arranged on the first connecting rod 7 light emitting diode through the light-emitting device 5 of fixing slide block 8 one end
Use yellow light-emitting diode, described in be arranged on the light-emitting device 5 of roller 10 axle ends
Light emitting diode uses blue LED.
During use, drive crank 3 to rotate with a fixed angular speed by servomotor 4, allow
The raw movement velocity observing three light-emitting devices 5 and movement locus.Such as Fig. 4 and Fig. 5 institute
Showing, slide block can slide along crank, and first connecting rod is along horizontal movement, when servomotor is with necessarily
When angular velocity omega rotates, roller is with at the uniform velocity VEMove upward along vertical chute.
Now, the angular velocity existed and linear velocity relation:
ωBE=VE/OE,VB=ωBE* OB, ω=VE/OB
The velocity composite relation existed:
VD=VE+VB
Student, by observing three light-emitting devices, sets up three in conjunction with velocity composite knowledge point and sends out
The movement relation of electro-optical device, thus understand angular velocity and the relation of linear velocity and the conjunction of speed
One-tenth relation, is further appreciated by vector correlation knowledge point.
The above is the preferred embodiment of the present invention, common for the art
For technical staff, under the premise without departing from the principles of the invention, it is also possible to make some changing
Entering and retouch, these improvements and modifications are also regarded as protection scope of the present invention.
Claims (6)
1. for demonstrating a teaching aid for vector correlation, it is characterized in that, including base, crank base, crank, servomotor, light-emitting device, slide block, first connecting rod, fixing slide block, second connecting rod, roller and support platform；Described base is a cuboid platform, and one end is provided with crank base and servomotor, and the other end is provided with support platform, and the leading flank of described crank base and support platform leading flank and base is positioned on same vertical direction；Described crank lower end is fixed on crank base by bearing and is connected with servomotor by shaft coupling through crank base, crank under the driving of servomotor on parallel plinth leading flank shaft coupling around servomotor rotate；Described slide block is nested on crank along crank axial free movement；One end of described first connecting rod is hinged with the hinge axis being arranged on slide block, and the other end supports the fixing slide block at platform top through being arranged on, and first connecting rod is side-to-side movement in the horizontal direction under the drive of crank；One end of described second connecting rod is hinged with the hinge axis being arranged on slide block, and the other end supports in platform and roller shaft that in the vertical direction freely moves up and down is hinged with being arranged on；The end of slide block hinge axis, first connecting rod are equipped with light-emitting device through fixing one end of slide block and the end of roller shaft.
A kind of teaching aid for demonstrating vector correlation the most according to claim 1, is characterized in that, the leading flank of described support platform offers the T-slot of a vertical direction, and the degree of depth of described T-slot is more than roller widths, and the width of T-slot is equal with roller diameter.
A kind of teaching aid for demonstrating vector correlation the most according to claim 1, is characterized in that, described crank large end face place plane, described first connecting rod large end face place plane and described second connecting rod large end face place plane are parallel to each other.
4. according to a kind of teaching aid for demonstrating vector correlation described in any one of claims 1 to 3, it is characterized in that, described light-emitting device includes that light emitting diode, battery and control switch, described light emitting diode, battery and control switch are connected in series.
A kind of teaching aid for demonstrating vector correlation the most according to claim 4, it is characterized in that, be arranged on slide block hinge axis end, first connecting rod and be respectively adopted the light emitting diode of different colours through the light emitting diode of fixing slide block one end and the described light-emitting device of roller shaft end.
A kind of teaching aid for demonstrating vector correlation the most according to claim 5, it is characterized in that, the light emitting diode of the described light-emitting device being arranged on slide block hinge axis end uses red light emitting diodes, being arranged on the first connecting rod light emitting diode employing yellow light-emitting diode through the described light-emitting device of fixing slide block one end, the light emitting diode of the described light-emitting device being arranged on roller shaft end uses blue LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550918.3A CN104240565B (en) | 2014-10-16 | 2014-10-16 | A kind of teaching aid for demonstrating vector correlation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550918.3A CN104240565B (en) | 2014-10-16 | 2014-10-16 | A kind of teaching aid for demonstrating vector correlation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104240565A CN104240565A (en) | 2014-12-24 |
| CN104240565B true CN104240565B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410550918.3A Expired - Fee Related CN104240565B (en) | 2014-10-16 | 2014-10-16 | A kind of teaching aid for demonstrating vector correlation |
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| CN (1) | CN104240565B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976692A (en) * | 2016-06-28 | 2016-09-28 | 山西农业大学 | Visual teaching tool for planar linkage speed vector diagram |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4826438A (en) * | 1988-04-14 | 1989-05-02 | Torres Mariano C | Foldable learning station for making up technological operating circuits |
| JPH1157224A (en) * | 1997-08-22 | 1999-03-02 | Sony Corp | Action experience device |
| CN2452070Y (en) * | 2000-11-23 | 2001-10-03 | 山东省五莲县第一中学 | Motion composition demonsatration instrument |
| CN102013195A (en) * | 2010-09-13 | 2011-04-13 | 李斯平 | Vector composition and resolution analyzer |
| CN204143702U (en) * | 2014-10-16 | 2015-02-04 | 济南大学 | A kind of teaching aid for demonstrating vector correlation |
-
2014
- 2014-10-16 CN CN201410550918.3A patent/CN104240565B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4826438A (en) * | 1988-04-14 | 1989-05-02 | Torres Mariano C | Foldable learning station for making up technological operating circuits |
| JPH1157224A (en) * | 1997-08-22 | 1999-03-02 | Sony Corp | Action experience device |
| CN2452070Y (en) * | 2000-11-23 | 2001-10-03 | 山东省五莲县第一中学 | Motion composition demonsatration instrument |
| CN102013195A (en) * | 2010-09-13 | 2011-04-13 | 李斯平 | Vector composition and resolution analyzer |
| CN204143702U (en) * | 2014-10-16 | 2015-02-04 | 济南大学 | A kind of teaching aid for demonstrating vector correlation |
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| Publication number | Publication date |
|---|---|
| CN104240565A (en) | 2014-12-24 |
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| CB03 | Change of inventor or designer information |
Inventor after: Qu Zhongfeng Inventor after: Deng Yonghong Inventor before: Deng Yonghong Inventor before: Qu Zhongfeng |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20201016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |