CN208460265U - A kind of physics teaching acceleration of gravity apparatus for demonstrating - Google Patents
A kind of physics teaching acceleration of gravity apparatus for demonstrating Download PDFInfo
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- CN208460265U CN208460265U CN201721555597.1U CN201721555597U CN208460265U CN 208460265 U CN208460265 U CN 208460265U CN 201721555597 U CN201721555597 U CN 201721555597U CN 208460265 U CN208460265 U CN 208460265U
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- vacuum
- demonstration box
- electric discharge
- automatically controlled
- telescopic rod
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Abstract
The utility model discloses a kind of physics teaching acceleration of gravity apparatus for demonstrating, including pedestal, vacuum demonstration box is provided at left and right sides of the top of the pedestal, controller is provided between two groups of vacuum demonstration boxs, display screen is provided at the top of vacuum demonstration box described in two groups, partition is provided at the lumen centers of the vacuum demonstration box, high frame per second camera is symmetrically arranged at left and right sides of the partition, automatically controlled telescopic rod is provided at left and right sides of the inner cavity top of the vacuum demonstration box, the bottom of the automatically controlled telescopic rod is provided with throwing electric discharge magnet, the bottom for throwing electric discharge magnet is adsorbed with demonstration pouring weight.The structure design of the utility model is reasonable, by the collective effect of automatically controlled telescopic rod and electronic sliding block, can to throw electric discharge magnet it is reciprocal absorption is carried out to experiment pouring weight and operation is put in throwing, can repeat to test in this way, reduce the operation back and forth vacuumized, reduces operation difficulty.
Description
Technical field
It is demonstrated and is filled with acceleration of gravity the utility model relates to education and instruction technical field more particularly to a kind of physics teaching
It sets.
Background technique
Physics is to study the subject of the motion of matter most typically rule and substance basic structure.As taking the lead for natural science
Subject, physics research become greatly to universe, as low as all substances such as elementary particle most basic forms of motion and rule
The Research foundation of other each natural branch of science.Its theoretical construct makes full use of mathematics as oneself working language, with
It tests as the sole criterion for examining theoretical correctness, it is a current most accurate natural science subject.
Acceleration of gravity is an important physical quantity during Physics Learning, and since the definition of acceleration of gravity is compared
It is abstract, it generally requires to assist student to learn by testing, and traditional acceleration of gravity apparatus for demonstrating passes through weight mostly
The paper tape that block drives dotted timer bottom to hang down carries out free-falling, the click-through laid on paper tape by dotted timer
Row calculates acceleration of gravity, and such apparatus for demonstrating is larger by external factor interference, for this purpose, the technology of correlative technology field
Personnel improve this, if Chinese Patent Application No. is " a kind of acceleration of gravity reality that CN201710384382.6 is proposed
Experiment device ", in this application file, although although the technical solution in this application file can carry out freely falling body and single pendulum measurement
The experiment of acceleration of gravity, while can also carry out Foucault pendulum experiment, it is easy to operate, can Accurate Determining acceleration of gravity, experiment
Error is small, accuracy is high, and experimentation is simple and clear, but the technical solution in this application file still has deficiency, such as grasps
Make cumbersome, needs that the inner cavity of experimental box body is evacuated by vacuum pump, increase operation difficulty.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of physics teaching weight
It is reciprocal can to throw electric discharge magnet by the collective effect of automatically controlled telescopic rod and electronic sliding block for power acceleration apparatus for demonstrating
Absorption is carried out to experiment pouring weight and operation is put in throwing, can repeat to test in this way, reduce the operation back and forth vacuumized, is reduced
Operation difficulty.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
The top left and right sides of a kind of physics teaching acceleration of gravity apparatus for demonstrating, including pedestal, the pedestal is all provided with
It is equipped with vacuum demonstration box, controller is provided between vacuum demonstration box described in two groups, is set at the top of vacuum demonstration box described in two groups
It is equipped with display screen, partition is provided at the lumen centers of the vacuum demonstration box, is symmetrically arranged at left and right sides of the partition
High frame per second camera, the inner cavity top left and right sides of the vacuum demonstration box is provided with automatically controlled telescopic rod, described automatically controlled flexible
The bottom of bar is provided with throwing electric discharge magnet, and the bottom for throwing electric discharge magnet is adsorbed with demonstration pouring weight；
Wall is symmetrically arranged with sliding rail at left and right sides of the inner cavity of the vacuum demonstration box, is connected on the sliding rail electronic
Sliding block, the electronic sliding block are provided with receiving slit far from the side of sliding rail, and the intracavity bottom of the receiving slit is provided with spring, institute
It states and is provided with pressing plate at the top of spring, the top of the pressing plate is chimeric stable electromagnet, is provided with sea at the top of the pressing plate
Silk floss pad；
The controller is electrically connected display screen, high frame per second camera, automatically controlled telescopic rod, throws electric discharge magnet, electric sliding
Block and stablize electromagnet.
Preferably, for above-mentioned physics teaching in acceleration of gravity apparatus for demonstrating, the controller is programmable single chip computer control
Device processed.
Preferably, for above-mentioned physics teaching in acceleration of gravity apparatus for demonstrating, the vacuum demonstration box is transparent glass group
It closes.
Preferably, above-mentioned physics teaching offers circular arc at the top of the foam-rubber cushion in acceleration of gravity apparatus for demonstrating
Groove.
Preferably, above-mentioned physics teaching is in acceleration of gravity apparatus for demonstrating, the foam-rubber cushion with a thickness of 3-5cm.
The beneficial effects of the utility model are:
The structure design of the utility model is reasonable, can be on the one hand by the collective effect of automatically controlled telescopic rod and electronic sliding block
So that throw electric discharge magnet it is reciprocal absorption is carried out to experiment pouring weight and operation is put in throwing, can repeat to test in this way, reduce
The operation back and forth vacuumized reduces operation difficulty, on the other hand by stablizing the common work of electromagnet, foam-rubber cushion and spring
With, it is possible to reduce a possibility that experiment pouring weight jumps out receiving slit is convenient for repeating to test.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the portion the A enlarged drawing of Fig. 1；
In attached drawing, parts list represented by the reference numerals are as follows:
1- pedestal, 2- vacuum demonstration box, 3- controller, 4- display screen, 5- partition, 6- high frame per second camera, 7- is automatically controlled stretches
Contracting bar, 8- throw electric discharge magnet, 9- experiment pouring weight, 10- sliding rail, the electronic sliding block of 11-, 12- receiving slit, 13- spring, 14- pressing plate,
15- stablizes electromagnet, 16- foam-rubber cushion.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please referring to shown in Fig. 1-2, the present embodiment is a kind of physics teaching acceleration of gravity apparatus for demonstrating, including pedestal 1,
It is provided with vacuum demonstration box 2 at left and right sides of the top of pedestal 1, is provided with controller 3 between two groups of vacuum demonstration boxs 2, two groups
The top of vacuum demonstration box 2 is provided with display screen 4, and partition 5, the left and right of partition 5 are provided at the lumen centers of vacuum demonstration box 3
Two sides are symmetrically arranged with high frame per second camera 6, are provided with automatically controlled telescopic rod 7 at left and right sides of the inner cavity top of vacuum demonstration box 2,
The bottom of automatically controlled telescopic rod 7 is provided with throwing electric discharge magnet 8, and the bottom for throwing electric discharge magnet 8 is adsorbed with demonstration pouring weight 9；Vacuum demonstration
Wall is symmetrically arranged with sliding rail 10 at left and right sides of the inner cavity of case 2, and electronic sliding block 11 is connected on sliding rail 10, and electronic sliding block 11 is remote
Side from sliding rail 10 is provided with receiving slit 12, and the intracavity bottom of receiving slit 12 is provided with spring 13, the top setting of spring 13
There is pressing plate 14, the top of pressing plate 14 is chimeric stable electromagnet 15, and the top of pressing plate 14 is provided with foam-rubber cushion 16；Controller 3 divides
It electricity Lian Jie not display screen 4, high frame per second camera 6, automatically controlled telescopic rod 7, throwing electric discharge magnet 8, electronic sliding block 11 and stable electromagnet
15。
When being tested, the control of controller 3 throws electric discharge magnet 8 and stops working, so that effect of the experiment pouring weight 9 in gravity
Lower carry out free-falling, during the falling process, the image of 6 pairs of high frame per second camera experiment 9 dropping process of pouring weight on partition 5
It is shot, the image after shooting passes to controller 3, and controller 3 controls display screen 4 and shows to image, convenient for learning
Life is intuitively observed, and when experiment pouring weight 9 drops into receiving slit 12, foam-rubber cushion 16 buffers it, and stablizes electricity
Magnet 15 works, and adsorbs to experiment pouring weight 9, in 13 pairs of spring experiment 9 dropping process of pouring weight the impact force that generates into
Row buffering, and then a possibility that experiment pouring weight 9 pops up receiving slit 12 due to the effect of impact force is reduced, carrying out next experiment
When, electronic sliding block 11 drives receiving slit 12 to be risen on sliding rail 10, rises to the top of vacuum demonstration box 2, then pass through
Controller 3 controls automatically controlled telescopic rod 7 and is extended, so that throwing the inner cavity that electric discharge magnet 8 protrudes into receiving slit 12, throws electric discharge magnet 8
Work stablizes electromagnet 15 and stops working, and adsorbs so that throwing electric discharge 8 pairs of experiment pouring weights 9 of magnet, and automatically controlled telescopic rod 7 is shunk,
Electronic sliding block 11 moves down, and waits experiment next time to carry out, isometric different weight can be carried out in left side vacuum demonstration box 2
It tests 9 acceleration of pouring weight and compares lecture experiment, the experiment weight for the volume that varies in weight such as can carry out in right side vacuum demonstration box 2
9 acceleration of block compares lecture experiment, so that experiment is more intuitive.
Controller 3 is programmable single chip computer controller, can be programmed control operation, and vacuum demonstration box 2 is transparent glass
Glass is composed, and such student can observe through vacuum demonstration box 2, and the top of foam-rubber cushion 16 offers arc groove,
Groove can make experiment pouring weight 9 be moved at the center of foam-rubber cushion 16 under the effect of gravity, convenient for throwing electric discharge magnet 8
Adsorbed again, foam-rubber cushion 16 with a thickness of 3-5cm.
One concrete application of the present embodiment are as follows: the structure design of the utility model is reasonable, on the one hand passes through automatically controlled telescopic rod 7
With the collective effect of electronic sliding block 11, can to throw electric discharge magnet 8 it is reciprocal absorption is carried out to experiment pouring weight 9 and behaviour is put in throwing
Make, can repeat to test in this way, reduce the operation back and forth vacuumized, reduce operation difficulty, on the other hand by steady
Determine the collective effect of electromagnet 15, foam-rubber cushion 16 and spring 13, it is possible to reduce a possibility that experiment pouring weight 8 jumps out receiving slit 12,
It is convenient for repeating to test.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of physics teaching acceleration of gravity apparatus for demonstrating, including pedestal, it is characterised in that: the top or so of the pedestal
Two sides are provided with vacuum demonstration box, and controller is provided between vacuum demonstration box described in two groups, vacuum demonstration box described in two groups
Top be provided with display screen, partition is provided at the lumen centers of the vacuum demonstration box, the left and right sides of the partition is right
Title is provided with high frame per second camera, is provided with automatically controlled telescopic rod at left and right sides of the inner cavity top of the vacuum demonstration box, described
The bottom of automatically controlled telescopic rod is provided with throwing electric discharge magnet, and the bottom for throwing electric discharge magnet is adsorbed with demonstration pouring weight；
Wall is symmetrically arranged with sliding rail at left and right sides of the inner cavity of the vacuum demonstration box, is connected with electric sliding on the sliding rail
Block, the electronic sliding block are provided with receiving slit far from the side of sliding rail, and the intracavity bottom of the receiving slit is provided with spring, described
Pressing plate is provided at the top of spring, the top of the pressing plate is chimeric stable electromagnet, is provided with sponge at the top of the pressing plate
Pad；
The controller be electrically connected display screen, high frame per second camera, automatically controlled telescopic rod, throw electric discharge magnet, electronic sliding block and
Stablize electromagnet.
2. a kind of physics teaching acceleration of gravity apparatus for demonstrating according to claim 1, it is characterised in that: the control
Device is programmable single chip computer controller.
3. a kind of physics teaching acceleration of gravity apparatus for demonstrating according to claim 1, it is characterised in that: the vacuum
Demonstration box is composed for transparent glass.
4. a kind of physics teaching acceleration of gravity apparatus for demonstrating according to claim 1, it is characterised in that: the sponge
Arc groove is offered at the top of pad.
5. a kind of physics teaching acceleration of gravity apparatus for demonstrating according to claim 1, it is characterised in that: the sponge
Pad with a thickness of 3-5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555597.1U CN208460265U (en) | 2017-11-20 | 2017-11-20 | A kind of physics teaching acceleration of gravity apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555597.1U CN208460265U (en) | 2017-11-20 | 2017-11-20 | A kind of physics teaching acceleration of gravity apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208460265U true CN208460265U (en) | 2019-02-01 |
Family
ID=65139625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721555597.1U Expired - Fee Related CN208460265U (en) | 2017-11-20 | 2017-11-20 | A kind of physics teaching acceleration of gravity apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208460265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880264A (en) * | 2019-12-06 | 2020-03-13 | 李飒 | Acceleration measuring device for high school physics experiments and operation method thereof |
| CN112634676A (en) * | 2021-01-25 | 2021-04-09 | 河南工业职业技术学院 | Random pairing assembly and English tense teaching device |
| CN114120772A (en) * | 2021-12-09 | 2022-03-01 | 万广通 | Gravitational acceleration demonstration device |
-
2017
- 2017-11-20 CN CN201721555597.1U patent/CN208460265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880264A (en) * | 2019-12-06 | 2020-03-13 | 李飒 | Acceleration measuring device for high school physics experiments and operation method thereof |
| CN112634676A (en) * | 2021-01-25 | 2021-04-09 | 河南工业职业技术学院 | Random pairing assembly and English tense teaching device |
| CN114120772A (en) * | 2021-12-09 | 2022-03-01 | 万广通 | Gravitational acceleration demonstration device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20201120 |