CN206003401U - The Experiment of Simple Pendulum device - Google Patents
The Experiment of Simple Pendulum device Download PDFInfo
- Publication number
- CN206003401U CN206003401U CN201620650293.2U CN201620650293U CN206003401U CN 206003401 U CN206003401 U CN 206003401U CN 201620650293 U CN201620650293 U CN 201620650293U CN 206003401 U CN206003401 U CN 206003401U
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- support
- experiment
- pendulum device
- base
- simple pendulum
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Abstract
The utility model discloses the Experiment of Simple Pendulum device, including base, base is provided with first support, and the top of first support is provided with least two crossbeams, and the two ends of crossbeam are each to connect a rope, and two ropes are simultaneously connected with a bead；Second support and the 3rd support are additionally provided with described base, described second support is provided with photographic head, the 3rd support is movably equipped with Magnet, described Magnet is located at the top of bead；Described base is provided with slide rail, and slide rail is provided with least one moveable first photoelectric sensor；Described first photoelectric sensor is connected with timer, described timer is connected with controller, and the side of described first support is provided with blank, and described blank is fixed with arc, described arc is provided with least two second photoelectric sensors, and described second photoelectric sensor is connected with described controller.Traditional single line pendulum is changed into the bifilar pendulum of two suspension wires, it is to avoid form conical pendulm when single pendulum swings, make experiment more accurate.
Description
Technical field
This utility model is related to physical test device field, more particularly, to the Experiment of Simple Pendulum device.
Background technology
Thoroughly do away with, quality negligible line suspension one particle constant to flexible and length with one, under gravity
Make periodic movement in vertical plane, just become single pendulum.Single pendulum is less than the bar of 5 ° (being typically now considered less than 10 °) in pivot angle
When vibrating under part, can be approximately considered is simple harmonic motion.Computing formula using the cycle of single pendulum can obtain acceleration of gravity, mesh
Front assay device is simple and crude, and measuring result error is larger, and conical pendu0 easily, is unfavorable for the carrying out tested.
Utility model content
The purpose of this utility model is exactly to solve the above problems, there is provided the Experiment of Simple Pendulum device,
Replace original single line using two-wire, it is to avoid the appearance of conical pendu0, and high degree of automation, measurement result is accurately, real
Proved recipe method is simple.
To achieve these goals, this utility model adopts the following technical scheme that：
The Experiment of Simple Pendulum device, including base, base is provided with first support, and the top of first support sets
There are at least two crossbeams, the two ends of crossbeam are each to connect a rope, and two ropes are simultaneously connected with a bead；It is additionally provided with described base
Second support and the 3rd support, described second support is provided with photographic head, and the 3rd support is movably equipped with Magnet, described Magnet position
Top in bead；Described base is provided with slide rail, and slide rail is provided with least one moveable first photoelectric sensor；Described
First photoelectric sensor is connected with timer, and described timer is connected with controller, and the side of described first support is provided with blank,
It is fixed with arc, described arc is provided with least two second photoelectric sensors, described second photoelectric transfer on described blank
Sensor is connected with described controller.
Described second support is connected with base rotation, and described base is provided with the groove that can accommodate described second support.Do
During experiment, second support is rotated out groove, empty groove can be used for placing the pocket-handkerchief of some experiments, such as pen, rubber
Deng, the carrying out of convenient experiment, second support is rotated after terminating and is placed in groove by experiment, and minimizing takes up room.
Described photographic head is connected with computer.All of experimentation is recorded by photographic head, especially records experimentation
The movement locus of middle bead, beneficial to the research checking in later stage.
The side of described base is provided with control box, and described controller is located in described control box.
Described controller is also connected with keyboard, buzzer and display.The pendulum length of cycloid can be inputted by keyboard, utilize
First photoelectric sensor and timer can obtain the cycle of bead, and controller can utilize existing meter according to cycle and pendulum length
Calculate formula and calculate acceleration of gravity moreover it is possible to be shown result by display.
Described timer is located at the top of described first support, and described timer is additionally provided with shift knob.Both can pass through
Cooperation with the first photoelectric sensor carries out self-clocking and can also carry out manual timing by shift knob.
Described blank is provided with the scale of protractor.Lecturer can carry out explanation test using blank, facilitates experiment
Complete, simultaneously blank be provided with protractor in that context it may be convenient to know bead the amplitude of oscillation whether exceeded experiment requirement.
The track radian that the radian of described arc is done during simple harmonic motion with bead is identical.Arc is mainly used in placing
Two photoelectric sensors.
Described second photoelectric sensor is provided with four, with described first support as axis of symmetry, with crossbeam and first support
Centered on junction point, four the second photoelectric sensors are evenly distributed in the both sides of first support, and two of which is respectively provided at first
On the position of 5 ° of the both sides of support, another two is respectively provided on the position of 10 ° of both sides of first support.By the second photoelectric sensing
Device can be with the amplitude of oscillation of the prompting bead of automatization, and during more than 5 ° or 10 °, controller can control buzzer to be reported to the police, to point out
Such experimental result is inaccurate, to correct experimental implementation.
The bottom of described base is provided with roller.Facilitate the movement of this set experimental provision.
The beneficial effects of the utility model are：
Traditional single line pendulum is changed into the bifilar pendulum of two suspension wires, it is to avoid form conical pendulm when single pendulum swings, make experiment more
Plus accurately.
In order to be better understood by the restoring force of simple harmonic motion, on the basis of simple harmonic oscillation under the force of gravity, this experiment
Device can demonstrate the impact to period of S.H.M. for the magnetically-actuated, puts one block of Magnet above bead, records bead here
The period of motion under Magnet magnetically-actuated, there is the bead period of motion tested twice of non-magnet by com-parison and analysis, summarize magnetic
Power drives the impact to period of S.H.M..
During two crossbeams, each crossbeam can hang a bead, two beads identical in quality, make above-mentioned double
String pendulum, two bead collisions, it is easy to verify the law of conservation of momentum.Strong the solving in collision experiment of this method existed originally
Chute resistance big, not level and lead to the inaccurate problem of result.
Brief description
Fig. 1 is structural representation of the present utility model；
Wherein, 1. timer, 2. first support, 3. the 3rd support, 4. blank, 5. control box, 6. display, 7. groove,
8. slide rail, 9. the first photoelectric sensor, 10. second support, 11. photographic head, 12. crossbeams, 13. arcs, 14. second photoelectric transfers
Sensor, 15. bases, 16. computers.
Specific embodiment：
With embodiment, this utility model is described further below in conjunction with the accompanying drawings：
As shown in figure 1, the Experiment of Simple Pendulum device, including base 15, base 15 is provided with first support 2,
The top of first support 2 is provided with two crossbeams 12, and the two ends of crossbeam 12 are each to connect a rope, two ropes be simultaneously connected with one little
Ball；Second support 10 and the 3rd support 3 are additionally provided with described base 15, described second support 10 is provided with photographic head 11, the 3rd
Magnet is movably equipped with support 3, described Magnet is located at the top of bead；Described base 15 is provided with slide rail 8, and slide rail 8 is provided with
At least one moveable first photoelectric sensor 9；Described first photoelectric sensor 9 is connected with timer 1, the first photoelectric sensing
Device 9 is located at the underface of bead, and described timer 1 is connected with controller, and the side of described first support 2 is provided with blank 4, described
Arc 13 is fixed with blank 4, described arc 13 is provided with 4 the second photoelectric sensors 14, described second photoelectric sensing
Device 14 is connected with described controller.
Described second support 10 is rotated with base 15 and is connected, and described base 15 is provided with and can accommodate described second support 10
Groove 7.When testing, second support 10 is rotated out groove 7, empty groove 7 can be used for placing the little east of some experiments
West, such as pen, rubber etc., the carrying out of convenient experiment, second support 10 is rotated after terminating and is placed in groove 7 by experiment, and minimizing accounts for
Use space.
Described photographic head 11 is connected with computer 16.All of experimentation is recorded by photographic head 11, especially records real
The movement locus of bead during testing, beneficial to the research checking in later stage.
The side of described base 15 is provided with control box 5, and described controller is located in described control box 5.
Described controller is also connected with keyboard, buzzer and display 6.The pendulum length of cycloid can be inputted by keyboard, profit
The cycle of bead can be obtained with the first photoelectric sensor 9 and timer 1, controller can utilize existing according to cycle and pendulum length
Computing formula calculate acceleration of gravity moreover it is possible to be shown result by display 6.
Described timer 1 is located at the top of described first support 2, and described timer 1 is additionally provided with shift knob.Both can lead to
Cross and carry out self-clocking with the cooperation of the first photoelectric sensor 9 and manual timing can also be carried out by shift knob.
Described blank 4 is provided with the scale of protractor.Lecturer can carry out explanation test using blank 4, facilitates experiment
Complete, simultaneously blank be provided with protractor in that context it may be convenient to know bead the amplitude of oscillation whether exceeded experiment requirement.
The track radian that the radian of described arc 13 is done during simple harmonic motion with bead is identical.Arc 13 is mainly used in putting
Put the second photoelectric sensor 14.
Described second photoelectric sensor 14 is provided with four, with described first support 2 as axis of symmetry, with crossbeam 12 and first
Centered on the junction point of frame 2, four the second photoelectric sensors 2 are evenly distributed in the both sides of first support 2, and two of which sets respectively
On the position of 5 ° of both sides of first support, another two is respectively provided on the position of 10 ° of both sides of first support.By the second light
Electric transducer 14 can be with the amplitude of oscillation of the prompting bead of automatization, and during more than 5 ° or 10 °, controller can control buzzer to be reported
Alert, to point out such experimental result inaccurate, to correct experimental implementation.
The bottom of described base 15 is provided with roller.Facilitate the movement of this set experimental provision.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel do not need to pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (10)
1. the Experiment of Simple Pendulum device, is characterized in that, including base, base is provided with first support, first support
Top be provided with least two crossbeams, the two ends of crossbeam are each to connect a rope, and two ropes are simultaneously connected with a bead；Described base
On be additionally provided with second support and the 3rd support, described second support is provided with photographic head, and the 3rd support is movably equipped with Magnet, institute
State the top that Magnet is located at bead；Described base is provided with slide rail, and slide rail is provided with least one moveable first photoelectric transfer
Sensor；Described first photoelectric sensor is connected with timer, and described timer is connected with controller, the side of described first support
It is provided with blank, described blank is fixed with arc, described arc is provided with least two second photoelectric sensors, described
Two photoelectric sensors are connected with described controller.
2. the Experiment of Simple Pendulum device as claimed in claim 1, is characterized in that, described second support and base turn
It is dynamically connected, described base is provided with the groove that can accommodate described second support.
3. the Experiment of Simple Pendulum device as claimed in claim 1 or 2, is characterized in that, described photographic head and computer
Connect.
4. the Experiment of Simple Pendulum device as claimed in claim 1, is characterized in that, the side of described base is provided with control
Box processed, described controller is located in described control box.
5. the Experiment of Simple Pendulum device as claimed in claim 1, is characterized in that, described controller also with keyboard,
Buzzer and display connect.
6. the Experiment of Simple Pendulum device as claimed in claim 1, is characterized in that, described timer is located at described
The top of one support, described timer is additionally provided with shift knob.
7. the Experiment of Simple Pendulum device as claimed in claim 1, is characterized in that, described blank is provided with protractor
Scale.
8. the Experiment of Simple Pendulum device as claimed in claim 1, is characterized in that, the radian of described arc with little
The track radian that ball does during simple harmonic motion is identical.
9. the Experiment of Simple Pendulum device as claimed in claim 8, is characterized in that, described second photoelectric sensor sets
There are four, with described first support as axis of symmetry, centered on the junction point with first support for the crossbeam, four the second photoelectric sensings
Device is evenly distributed in the both sides of first support, and two of which is respectively provided on the position of 5 ° of both sides of first support, and another two is divided
It is not located on the position of 10 ° of both sides of first support.
10. the Experiment of Simple Pendulum device as claimed in claim 1, is characterized in that, the bottom of described base is provided with
Roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650293.2U CN206003401U (en) | 2016-06-24 | 2016-06-24 | The Experiment of Simple Pendulum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620650293.2U CN206003401U (en) | 2016-06-24 | 2016-06-24 | The Experiment of Simple Pendulum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003401U true CN206003401U (en) | 2017-03-08 |
Family
ID=58204735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620650293.2U Expired - Fee Related CN206003401U (en) | 2016-06-24 | 2016-06-24 | The Experiment of Simple Pendulum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206003401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377836A (en) * | 2018-11-22 | 2019-02-22 | 赵浩然 | A kind of high school student's pendulum experimental study equipment with recording device |
| CN113240980A (en) * | 2021-03-25 | 2021-08-10 | 桂林电子科技大学 | Gravity acceleration measuring device and measuring method thereof |
-
2016
- 2016-06-24 CN CN201620650293.2U patent/CN206003401U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377836A (en) * | 2018-11-22 | 2019-02-22 | 赵浩然 | A kind of high school student's pendulum experimental study equipment with recording device |
| CN113240980A (en) * | 2021-03-25 | 2021-08-10 | 桂林电子科技大学 | Gravity acceleration measuring device and measuring method thereof |
| CN113240980B (en) * | 2021-03-25 | 2023-05-30 | 桂林电子科技大学 | Gravity acceleration measuring device and measuring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20200624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |