CN207587236U - The experiment teaching aid of relationship between a kind of explanation acceleration, power and quality - Google Patents
The experiment teaching aid of relationship between a kind of explanation acceleration, power and quality Download PDFInfo
- Publication number
- CN207587236U CN207587236U CN201720951639.7U CN201720951639U CN207587236U CN 207587236 U CN207587236 U CN 207587236U CN 201720951639 U CN201720951639 U CN 201720951639U CN 207587236 U CN207587236 U CN 207587236U
- Authority
- CN
- China
- Prior art keywords
- paper tape
- wooden unit
- plank
- teaching aid
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model is related to a kind of experiment teaching aids of relationship between explanation acceleration, power and quality, belong to teaching aid technical field;The both ends of the groove are connected with telescopic outrigger;The telescopic outrigger movable inlaying is in a groove;The paper tape roller is fixed on one end of plank;The inside of the paper tape roller is equipped with dotted timer;One end of the paper tape of winding passes through dotted timer and the bar shaped perforation of wooden unit one end to cooperate on the paper tape roller;The both sides of the wooden unit are equipped with plugboard;The interlude of the U-tube cooperates with plugboard;One end of the U-tube is equipped with wheel;The pulley is fixedly connected centrally through connecting rod with the end of plank;One end of the cord is connect with the hook of wooden unit end;One experiment teaching aid can extend many topic types and experiment, can be imparted knowledge to students with assisted teacher, and paper tape roller is designed with conducive to repetition experimental implementation, and the paper tape printed is used directly for analysis of experimental data, and the topic type of materialization is conducive to classroom explanation.
Description
Technical field
The utility model is related to a kind of experiment teaching aids of relationship between explanation acceleration, power and quality, belong to teaching aid technology
Field.
Background technology
There is the teaching much tested in the teaching of physics, general experiment is provided to proof theory knowledge or calculates knot
Fruit.
Between acceleration, power and quality in this knowledge point of relationship, there are many formula, be exactly to use in some topics
Existing knowledge point, that is, existing formula carry out result of calculation, but result is but difficult to be completed by identical experiment, institute
It is typically also to apply mechanically formula during with the classroom subject of a lecture, many students are very interested to this process tested in fact, apply mechanically public affairs
The explanation of formula can't cause their attention.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of simple in structure, design conjunction is provided
The experiment teaching aid of relationship between reason, explanation acceleration easy to use, power and quality.
To achieve the above object, the technical solution adopted in the utility model is:It includes plank, groove, telescopic outrigger, beats
It is point timer, paper tape roller, wooden unit, displacement sensor, display screen, microcontroller, plugboard, U-tube, wheel, hook, pulley, thin
Rope, counterweight bucket, bar shaped perforation, paper tape;The bottom of the plank is equipped with groove;The both ends of the groove are connected with telescopic outrigger;
The telescopic outrigger movable inlaying is in a groove;The paper tape roller is fixed on one end of plank;The inside of the paper tape roller is equipped with
Dotted timer;One end of the paper tape of winding passes through dotted timer and the bar shaped perforation of wooden unit one end mutual on the paper tape roller
Cooperation;The both sides of the wooden unit are equipped with plugboard;The interlude of the U-tube cooperates with plugboard;The one of the U-tube
End is equipped with wheel;The pulley is fixedly connected centrally through connecting rod with the end of plank;One end of the cord and wooden unit
The hook connection of end;The other end of cord passes through the mating groove of pulley side to be connect with counterweight bucket;Position is equipped in the wooden unit
Displacement sensor;Institute's displacement sensors are connect with the microcontroller inside wooden unit;The microcontroller and the display screen on wooden unit surface connect
It connects.
Preferably, after the paper tape passes through two bar shaped perforation, the pull-out section and paper tape of paper tape are self by staple
It is fixed.
Preferably, the microcontroller uses fpga chip, the acquisition, processing and transmission of data can be completed.
Preferably, the pulley is flexibly connected with plank end;Between the connecting rod coordinated pulley and plank
Angle can be adjusted, changes the movement locus of cord.
The utility model, can be by specifically testing come verification result by theoretical knowledge point experimentization, can more intuitively
The relationship understood between acceleration, power and quality, the pass between can also understanding speed by dotted timer and get ready
System, an experiment teaching aid can extend many topic types and experiment, can be imparted knowledge to students with assisted teacher, and paper tape roller is designed with to repeat
Experimental implementation, the paper tape printed are used directly for analysis of experimental data, and the topic type of materialization is conducive to classroom explanation;It
Structure design is simple, easy to operate, and flexibility is good, can verify a variety of physical relations, and an experiment teaching aid is mostly used, can improve
Classroom teaching efficiency, the process of verification is a process started, and students grouping can be allowed to carry out, and improves students study object
The enthusiasm of reason, the utility model have the advantages that simple in structure, setting is reasonable, low manufacture cost.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the schematic diagram that wooden unit side wheel is packed up in the utility model;
Fig. 3 is the schematic diagram that wooden unit side wall wheel is put down in the utility model;
Fig. 4 is the schematic diagram that bar shaped is perforated in the utility model;
Reference sign:
Plank 1, groove 2, telescopic outrigger 3, dotted timer 4, paper tape roller 5, wooden unit 6, displacement sensor 7, display screen 8,
Microcontroller 9, plugboard 10, U-tube 11, wheel 12, hook 13, pulley 14, cord 15, counterweight bucket 16, bar shaped perforation 17, paper tape
18。
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
Referring to such as Fig. 1 -- shown in Fig. 4, present embodiment includes plank 1, groove 2, telescopic outrigger 3, dotted timer
4th, paper tape roller 5, wooden unit 6, displacement sensor 7, display screen 8, microcontroller 9, plugboard 10, U-tube 11, wheel 12, hook 13, cunning
Wheel 14, cord 15, counterweight bucket 16, bar shaped perforation 17, paper tape 18;The bottom of the plank 1 is equipped with groove 2;The two of the groove 2
End is connected with telescopic outrigger 3;The telescopic outrigger 3 is movably embedded in groove 2;The paper tape roller 5 is fixed on the one of plank 1
End;The inside of the paper tape roller 5 is equipped with dotted timer 4;One end of the paper tape 18 of winding passes through and gets meter ready on the paper tape roller 5
When device and 6 one end of wooden unit bar shaped perforation 17 cooperate;The both sides of the wooden unit 6 are equipped with plugboard 10;The U-tube 11
Interlude cooperates with plugboard 10;One end of the U-tube 11 is equipped with wheel 12;The pulley 14 centrally through connection
Bar is fixedly connected with the end of plank 1;One end of the cord 15 is connect with the hook 13 of 6 end of wooden unit;Cord 15 it is another
The mating groove across 14 side of pulley is held to be connect with counterweight bucket 16;Displacement sensor 7 is equipped in the wooden unit 6;The displacement passes
Sensor 7 is connect with the microcontroller 9 inside wooden unit 6;The microcontroller 9 is connect with the display screen 8 on 6 surface of wooden unit.
Wherein, after the paper tape 18 passes through two bar shapeds perforation 17, the pull-out section and paper tape of paper tape 18 are self by stapler
Nail is fixed;The microcontroller 9 uses fpga chip, can complete the acquisition, processing and transmission of data;The pulley 14 and plank
1 end is flexibly connected;It is described to adjust angle between the connecting rod of the cooperation of pulley 14 and plank 1, change the movement of cord
Track.The wooden unit 6 can choose whether that with wheel, the effect of frictional force can also be proved with this as needed.
Present embodiment, can be by specifically testing come verification result, Ke Yigeng by theoretical knowledge point experimentization
The relationship between acceleration, power and quality is got information about, can also speed be understood by dotted timer 4(At the uniform velocity with change
Speed)With get ready between relationship, an experiment teaching aid can extend many topic types with experiment, can be imparted knowledge to students with assisted teacher, paper tape
Roller is designed with conducive to repetition experimental implementation, and the paper tape printed is used directly for analysis of experimental data, the topic of materialization
Type is conducive to classroom explanation.
The experiment teaching aid of relationship, structure are set between a kind of explanation acceleration, power and quality described in present embodiment
Meter is simple, and easy to operate, flexibility is good, can verify a variety of physical relations, and an experiment teaching aid is mostly used, and can improve classroom religion
Efficiency is learned, the process of verification is a process started, and students grouping can be allowed to carry out, improve the product of students learning physics
Polarity.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the right of the utility model.
Claims (4)
1. a kind of experiment teaching aid of relationship between explanation acceleration, power and quality, it is characterised in that:It includes plank, groove, stretches
Contracting supporting leg, dotted timer, paper tape roller, wooden unit, displacement sensor, display screen, microcontroller, plugboard, U-tube, wheel, extension
Hook, pulley, cord, counterweight bucket, bar shaped perforation, paper tape;The bottom of the plank is equipped with groove;The both ends of the groove are connected with
Telescopic outrigger;The telescopic outrigger movable inlaying is in a groove;The paper tape roller is fixed on one end of plank;The paper tape roller
Inside is equipped with dotted timer;One end of the paper tape of winding passes through dotted timer and the bar shaped of wooden unit one end on the paper tape roller
Perforation cooperates;The both sides of the wooden unit are equipped with plugboard;The interlude of the U-tube cooperates with plugboard;The U
One end of type pipe is equipped with wheel;The pulley is fixedly connected centrally through connecting rod with the end of plank;The one of the cord
End is connect with the hook of wooden unit end;The other end of cord passes through the mating groove of pulley side to be connect with counterweight bucket;The wooden unit
It is interior to be equipped with displacement sensor;Institute's displacement sensors are connect with the microcontroller inside wooden unit;The microcontroller and wooden unit surface
Display screen connects.
2. the experiment teaching aid of relationship, feature exist between a kind of explanation acceleration according to claim 1, power and quality
In:After the paper tape passes through two bar shaped perforation, the pull-out section of paper tape is fixed with paper tape self by staple.
3. the experiment teaching aid of relationship, feature exist between a kind of explanation acceleration according to claim 1, power and quality
In:The microcontroller uses fpga chip.
4. the experiment teaching aid of relationship, feature exist between a kind of explanation acceleration according to claim 1, power and quality
In:The pulley is flexibly connected with plank end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720951639.7U CN207587236U (en) | 2017-08-01 | 2017-08-01 | The experiment teaching aid of relationship between a kind of explanation acceleration, power and quality |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720951639.7U CN207587236U (en) | 2017-08-01 | 2017-08-01 | The experiment teaching aid of relationship between a kind of explanation acceleration, power and quality |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207587236U true CN207587236U (en) | 2018-07-06 |
Family
ID=62717691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720951639.7U Expired - Fee Related CN207587236U (en) | 2017-08-01 | 2017-08-01 | The experiment teaching aid of relationship between a kind of explanation acceleration, power and quality |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207587236U (en) |
-
2017
- 2017-08-01 CN CN201720951639.7U patent/CN207587236U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205318697U (en) | Demonstration teaching aid of functional limit for advanced math teaching | |
CN206441381U (en) | Every student can be monitored in real time to listen to the teacher the electronic classroom system of state | |
CN207587236U (en) | The experiment teaching aid of relationship between a kind of explanation acceleration, power and quality | |
CN205862661U (en) | A kind of energy converts teaching demonstration device | |
CN202917060U (en) | English teaching demonstration board convenient for writing words and exchanging demonstration contents | |
CN201262793Y (en) | Simulation demonstration instrument for stationary wave formation | |
CN204632163U (en) | Scm observe and control training platform | |
CN203520713U (en) | Pulley demonstrator for teaching | |
CN206864040U (en) | The synthesis demonstration device of power in a kind of physics teaching | |
CN206271280U (en) | The apparatus for demonstrating of kinetic combination and separation | |
CN201987556U (en) | Diaphragmatic breathing training monitor | |
CN201084297Y (en) | A planar figure experimental device for junior high school | |
CN204650843U (en) | A kind of pulley blocks mechanics demonstration device | |
CN104916183A (en) | Single-chip microcomputer measurement and control training platform | |
CN205334823U (en) | Mathematic model show shelf of imparting knowledge to students | |
CN204242456U (en) | A kind of new teaching servicing unit | |
CN203931253U (en) | The exhibiting device that marketing pedagogy uses | |
CN206505629U (en) | A kind of senior middle school physics teaching apparatus for demonstrating | |
CN202923212U (en) | Water writing cloth curtain for calligraphy teaching | |
CN204029216U (en) | How much teaching aids of a kind of Multifunction | |
CN204160954U (en) | A kind of multi-functional blackboard be convenient to grade teacher and used | |
CN202795836U (en) | Image demonstration device of helical line function | |
CN209895559U (en) | Teaching board for music teaching | |
CN206400888U (en) | A kind of model teaching aid imparted knowledge to students for parallel lines property | |
CN201091017Y (en) | Mathematics learning aid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20180706 Termination date: 20190801 |