CN208903509U - A kind of senior middle school's experiment with falling objects teaching equipment - Google Patents
A kind of senior middle school's experiment with falling objects teaching equipment Download PDFInfo
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- CN208903509U CN208903509U CN201820482336.XU CN201820482336U CN208903509U CN 208903509 U CN208903509 U CN 208903509U CN 201820482336 U CN201820482336 U CN 201820482336U CN 208903509 U CN208903509 U CN 208903509U
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Abstract
The utility model discloses a kind of senior middle school's experiment with falling objects teaching equipment, transverse slat penetrates through cabinet；Negative pressure machine and control cabinet is arranged in cabinet；It is provided with electronic stopclock and display screen on transverse slat, electric up-down fixture is distributed under transverse slat, is respectively sleeved on the first sealing-plug, the second sealing-plug and third sealing-plug on electric up-down fixture, and be provided with range sensor on three electric up-down fixtures；Cabinet bottom end equidistantly distributes the first glass round tube, the second glass round tube and third glass round tube, and inner bottom is provided with touching formula sensor；First glass round tube, the second glass round tube and third glass round tube are communicated with connecting tube, connecting tube parallel vacuum machine；Singlechip controller is provided in control cabinet, and control cabinet outer surface is provided with control switch；The utility model can be in visual inspection experiment with falling objects, linear relationship between height and time, influence of the air pressure to experiment with falling objects, and is able to achieve volume detection, is suitble to promote in teaching equipment field.
Description
Technical field
The utility model relates to a kind of teaching equipments to relate to more particularly, to a kind of senior middle school's experiment with falling objects teaching equipment
And teaching equipment technical field.
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.Freely falling body fortune
Dynamic to be derived from centrifugal force, the movement that object falls since opposing stationary under only by gravity is called the movement of falling object,
Certain object is for example grasped, does not apply the physical phenomenon gently unclamped under the ideal conditions of any external force and occurred after hand.It is high
It needs to learn to arrive the movement of falling object when middle, so needing a kind of teaching equipment of intuitive observation experiment with falling objects.
Utility model content
The technical problems to be solved in the utility model is to overcome the defect of existing experiment with falling objects teaching equipment, provides one
Kind senior middle school's experiment with falling objects teaching equipment, to solve the above problems.
To achieve the above object, the utility model provides the following technical solutions: a kind of senior middle school's experiment with falling objects teaching is set
It is standby, including cabinet and transverse slat；The front of the cabinet is provided with opening, the left and right sides of the transverse slat perforation cabinet；The case
Body two sides are respectively arranged with Negative pressure machine and control cabinet；The transverse slat upper surface is provided with electronic stopclock and display screen, the transverse slat
Lower end surface equidistantly distributes three electric up-down fixtures, be respectively sleeved on three electric up-down fixtures the first sealing-plug,
Second sealing-plug and third sealing-plug, and range sensor is provided on three electric up-down fixtures；The cabinet bottom
End equidistantly distributes the first glass round tube, the second glass round tube and third glass round tube, and first glass round tube, the second glass
The inner bottom of glass round tube and third glass round tube is provided with touching formula sensor；First glass round tube, the second glass
Round tube and third glass round tube outer surface are communicated with connecting tube, and the connecting tube is connected with Negative pressure machine；It is set in the control cabinet
It is equipped with singlechip controller, and the control cabinet outer surface is provided with control switch.
As a kind of optimal technical scheme of the utility model, first glass round tube, the second glass round tube and third
Glass round tube is located at the underface of electric up-down fixture.
As a kind of optimal technical scheme of the utility model, first glass round tube, the second glass round tube and third
The diameter of glass round tube is sequentially increased.
As a kind of optimal technical scheme of the utility model, first sealing-plug, the second sealing-plug and third sealing
The diameter of plug is equal with the diameter of the first glass round tube, the second glass round tube and third glass round tube respectively.
As a kind of optimal technical scheme of the utility model, the control switch, range sensor, touch sensor are equal
Signal connects singlechip controller.
As a kind of optimal technical scheme of the utility model, the singlechip controller is electrically connected electric up-down folder
Tool, Negative pressure machine, electronic stopclock and display screen.
Compared with prior art, the utility model has the beneficial effects that the utility model can be with visual inspection freely falling body
In experiment, height the time between linear relationship, influence of the air pressure to experiment with falling objects, and be able to achieve volume detection, if
Rationally, construction science is suitble to promote the use of in teaching equipment field meter.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
FIG. 1 is a schematic structural view of the utility model；
1, cabinet in figure；2, transverse slat；3, Negative pressure machine；4, connecting tube；5, display screen；6, electronic stopclock；7, electric up-down presss from both sides
Tool；8, the first sealing-plug；9, the second sealing-plug；10, third sealing-plug；11, the first glass round tube；12, the second glass round tube；
13, third glass round tube；14, formula sensor is touched；15, control cabinet；16, singlechip controller；17, range sensor；18, it controls
System switch.
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of senior middle school's experiment with falling objects teaching equipment, including cabinet 1 and transverse slat
2；The front of cabinet 1 is provided with opening, and transverse slat 2 penetrates through the left and right sides of cabinet 1；1 two sides of cabinet are respectively arranged with 3 He of Negative pressure machine
Control cabinet 15；2 upper surface of transverse slat is provided with electronic stopclock 6 and display screen 5, and 2 lower end surface of transverse slat equidistantly distributes three electronic liters
Fixture 7 is dropped, is respectively sleeved on the first sealing-plug 8, the second sealing-plug 9 and third sealing-plug 10 on three electric up-down fixtures 7, and
Range sensor 17 is provided on three electric up-down fixtures 7；1 bottom end of cabinet equidistantly distributes the first glass round tube 11,
Two glass round tube 12 and third glass round tube 13, and the first glass round tube 11, the second glass round tube 12 and third glass round tube 13
Inner bottom be provided with touching formula sensor 14；First glass round tube 11, the second glass round tube 12 and third glass round tube
13 outer surfaces are communicated with connecting tube 4, and connecting tube 4 and Negative pressure machine 3 connect；Singlechip controller 16 is provided in control cabinet 15,
And 15 outer surface of control cabinet is provided with control switch 18.
First glass round tube 11, the second glass round tube 12 and third glass round tube 13 be located at electric up-down fixture 7 just under
Side, in lifting, glass round tube and electric up-down fixture are mutually matched；First glass round tube 11,12 and of the second glass round tube
The diameter of third glass round tube 13 is sequentially increased, and so as to adapt to the falling bodies of different volumes, falling bodies are preferably solid round iron；The
The diameter of one sealing-plug 8, the second sealing-plug 9 and third sealing-plug 10 respectively with the first glass round tube 11, the second glass round tube 12
It is equal with the diameter of third glass round tube 13, so that sealing-plug can be with matched glass round tube, to build vacuum environment；Control is opened
It closes the equal signal of 18, range sensor 17, touch sensor and connects singlechip controller 16；Singlechip controller 16 is electrically connected
Electric up-down fixture 7, Negative pressure machine 3, electronic stopclock 6 and display screen 5.
Concrete principle: when the utility model is used, transferring signals to singlechip controller, monolithic by control switch
Machine controller starts the work of electric up-down fixture, and falling bodies to be tested are clipped on electric up-down fixture, three electric up-down folders
Tool can with the falling bodies of three different volumes equal densities, then by control switch control three electric up-down fixtures lifting, when
First sealing-plug, the second sealing-plug, third sealing-plug and the first glass round tube, the second glass round tube and the matching of third glass round tube
When, Negative pressure machine is started by control switch, so that glass round tube forms vacuum, and electric up-down fixture is in different height,
When the falling bodies of different height are firm, the Distance Transmission of falling bodies and glass round tube bottom surface that range sensor will test to monolithic
Machine controller, singlechip controller will be transferred to display screen in the form of electronic signal, so as to intuitively judge falling bodies and
The height of bottom surface, at this point, control fixture unclamps, singlechip controller starts electronic stopclock work, and falling bodies are made in glass round tube
The movement of falling object, when falling bodies contact touching formula sensor, touching formula sensor transfers signals to singlechip controller, single
Piece machine controller controls electronic stopclock pause with electronic signal transmission to electronic stopclock, and electron surface is controlled by single-chip microcontroller
Device will intuitively show on time tranfer to display screen, so as to by glass round tube detect in experiment with falling objects height and
Linear relationship between time is arranged three or more glass round tube and realizes volume detection, and singlechip controller is electrically connected negative
Air pressure in different glass round tube can be drawn into the states such as or not press, to detect in freely falling body air pressure to falling bodies
It influences.
The utility model can be in visual inspection experiment with falling objects, linear relationship between height and time, air pressure pair
The influence of experiment with falling objects, and it is able to achieve volume detection, rationally, construction science is suitble to promote in teaching equipment field for design
It uses.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of senior middle school's experiment with falling objects teaching equipment, including cabinet (1) and transverse slat；It is characterized by: the cabinet (1)
Front is provided with opening, the left and right sides of transverse slat perforation cabinet (1)；Cabinet (1) two sides are respectively arranged with Negative pressure machine
(3) and control cabinet (15)；The transverse slat upper surface is provided with electronic stopclock (6) and display screen (5), and the transverse slat lower end surface is equidistant
From three electric up-down fixtures (7) of distribution, the first sealing-plug (8), the are respectively sleeved on three electric up-down fixtures (7)
Two sealing-plugs (9) and third sealing-plug (10), and range sensor is provided on three electric up-down fixtures (7)
(17)；Cabinet (1) bottom end equidistantly distributes the first glass round tube (11), the second glass round tube (12) and third glass round tube
(13), and the inner bottom of first glass round tube (11), the second glass round tube (12) and third glass round tube (13) is all provided with
It is equipped with touching formula sensor (14)；First glass round tube (11), the second glass round tube (12) and third glass round tube (13)
Outer surface is communicated with connecting tube (4), the connecting tube (4) and Negative pressure machine (3) connection；List is provided in the control cabinet (15)
Piece machine controller (16), and the control cabinet (15) outer surface is provided with control switch (18).
2. a kind of senior middle school's experiment with falling objects teaching equipment according to claim 1, it is characterised in that: first glass
Round tube (11), the second glass round tube (12) and third glass round tube (13) are located at the underface of electric up-down fixture (7).
3. a kind of senior middle school's experiment with falling objects teaching equipment according to claim 1, it is characterised in that: first glass
The diameter of round tube (11), the second glass round tube (12) and third glass round tube (13) is sequentially increased.
4. a kind of senior middle school's experiment with falling objects teaching equipment according to claim 1, it is characterised in that: first sealing
Fill in (8), the second sealing-plug (9) and third sealing-plug (10) diameter respectively with the first glass round tube (11), the second glass round tube
(12) and the diameter of third glass round tube (13) is equal.
5. a kind of senior middle school's experiment with falling objects teaching equipment according to claim 1, it is characterised in that: the control switch
(18), equal signal connection singlechip controller (16) of range sensor (17), touch sensor.
6. a kind of senior middle school's experiment with falling objects teaching equipment according to claim 1, it is characterised in that: the single-chip microcontroller control
Device (16) processed is electrically connected electric up-down fixture (7), Negative pressure machine (3), electronic stopclock (6) and display screen (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820482336.XU CN208903509U (en) | 2018-04-04 | 2018-04-04 | A kind of senior middle school's experiment with falling objects teaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820482336.XU CN208903509U (en) | 2018-04-04 | 2018-04-04 | A kind of senior middle school's experiment with falling objects teaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903509U true CN208903509U (en) | 2019-05-24 |
Family
ID=66565573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820482336.XU Expired - Fee Related CN208903509U (en) | 2018-04-04 | 2018-04-04 | A kind of senior middle school's experiment with falling objects teaching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148335A (en) * | 2019-05-25 | 2019-08-20 | 侯凯文 | A kind of high school physics experiment with falling objects simulator |
| CN110322761A (en) * | 2019-07-12 | 2019-10-11 | 衡阳师范学院 | A kind of Experiment of College Physics multiple function apparatus device |
-
2018
- 2018-04-04 CN CN201820482336.XU patent/CN208903509U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148335A (en) * | 2019-05-25 | 2019-08-20 | 侯凯文 | A kind of high school physics experiment with falling objects simulator |
| CN110148335B (en) * | 2019-05-25 | 2020-12-29 | 侯凯文 | High school physics free fall experiment analogue means |
| CN110322761A (en) * | 2019-07-12 | 2019-10-11 | 衡阳师范学院 | A kind of Experiment of College Physics multiple function apparatus device |
| CN110322761B (en) * | 2019-07-12 | 2021-05-07 | 衡阳师范学院 | Multifunctional instrument device for college physical experiment |
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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: 20190524 Termination date: 20200404 |