CN201638433U - Magnetic pendulum simple-pendulum comprehensive experimental instrument - Google Patents
Magnetic pendulum simple-pendulum comprehensive experimental instrument Download PDFInfo
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- CN201638433U CN201638433U CN200920277570XU CN200920277570U CN201638433U CN 201638433 U CN201638433 U CN 201638433U CN 200920277570X U CN200920277570X U CN 200920277570XU CN 200920277570 U CN200920277570 U CN 200920277570U CN 201638433 U CN201638433 U CN 201638433U
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Abstract
The utility model relates to a magnetic pendulum simple-pendulum comprehensive experimental instrument which is characterized in that a stand column (2) is installed on a base (1); the top of the stand column (2) is provided with a transverse round hole; the column at the front surface of the stand column (2) is provided with a cuboid sliding slot from top to bottom; an oscillating bar base (16) is installed in the sliding slot; a magnetic pendulum cross-bar (7) is directly inserted into the cylinder at the front end of a pendulum base (16) and tightly fixed through a fastening screw (18); a permanent magnet pendulum bob (9) is suspended on a magnetic oscillating bar (8); the other end of the magnetic oscillating bar (8) is suspended on the magnetic pendulum cross-bar (7); below the magnetic pendulum cross-bar (7), an angle indicating plate (3) is installed on a straight rod installed in the sliding slot; and an air track (10) is installed on the base (1) and positioned right ahead the stand column (2). The experimental instrument has reasonable design structure, strong operability and high experimental result precision, realizes two kinds of experiments on one instrument, and improves the using efficiency of the instrument.
Description
Technical field:
The utility model relates to a kind of magnetic pendulum and simple pendulum combined experimental instrument, belongs to physics teaching and research instruments design technical field.
Background technology:
Pendulum is a kind of experimental apparatus, can be used to represent various mechanics phenomenons and even electromagnetics phenomenon.The kind of pendulum is a lot, and the most basic pendulum is made up of a rope or bar and a pendulum.Experiment with simple pendulum, promptly the mechanics of accurately studying this mechanical system and being comprised with the single pendulum system linear with the nonlinear motion behavior or the experiment of measuring local acceleration of gravity.Though at present domestic also have some instruments can finish this experiment, but generally speaking instruments design is made more coarse, the vertical adjustment of the column of its pendulum not change of science, single pendulum pendulum length is used and is measured inconvenience, single pendulum swing bad control in a plane, single pendulum angle scale design also is difficult to pin-point reading, and in fact measuring accuracy is lower therefore to make many experiment contents of experiment with simple pendulum.
Magnetic pendulum experiment, the i.e. experiment that produces the various physical influences of vortex flow with magnetic pendulum and non-magnetic conductor relative motion.Domestic and international research all only rests on the lecture experiment phenomenon at present, with the drag effect between magnetic pendulum systematic analysis campaign magnet and non-magnetic conductor and to the calculating of non-magnetic conductor size, fail to find the feasible method of reality always, like this, in physics teaching and scientific research, just can not deeper understanding be arranged to the non-magnetic conductor that vortex flow produces.Therefore, the current experiments means can't satisfy the requirement of physics teaching and scientific research.
Summary of the invention:
The purpose of this utility model provides a kind of magnetic pendulum and simple pendulum combined experimental instrument, has reasonable in design, strong operability, the accurate characteristics of experimental result.
The utility model is to realize above-mentioned purpose by following technical solution.
In the structure of magnetic pendulum and simple pendulum combined experimental instrument, be provided with: base, column, angle indicator board, single pendulum cross bar, single pendulum line, single pendulum ball, magnetic pendulum cross bar, magnetic fork, permanent magnet pendulum, air track, laser collimation device, photoelectric detection system, intelligent measuring apparatus, non magnetic slide plate, level crossing, swing rod, semi-circle plane mirror, holding screw; Column is installed on the base, has horizontal shape hole, garden at the top of column, and single pendulum cross bar straight cutting is in shape hole, garden; The single pendulum ball is suspended on the single pendulum line, and the other end of single pendulum line is fixed on the single pendulum cross bar; On the cylinder in the front of column, have the rectangular parallelepiped chute from top to bottom, level crossing is housed below chute; Swing rod is placed in the chute, and magnetic pendulum cross bar straight cutting tightens up in the tube of the garden of swing rod front end and by holding screw; The permanent magnet pendulum is suspended on the magnetic fork, and the other end of magnetic fork is suspended on the magnetic pendulum cross bar; Below the magnetic pendulum cross bar, the angle indicator board is installed on the straight-bar that is placed in the chute, and bevel protractor and semi-circle plane mirror are housed on the angle indicator board; Air track is installed on the base and is positioned at the dead ahead of column, the left side that non magnetic slide plate is placed on the guide rail of air track, laser collimation device is placed in air track; Photoelectric detection system is installed on the base and between air track and column; Intelligent measuring apparatus links by lead and laser collimation device and photoelectric detection system.
The utility model compared with prior art has following beneficial effect:
1, provide a kind of method of using the magnetic pendulum systematic quantification to measure the non-magnetic conductor of non-magnetic conductor, its mathematical model and experimental result match.
2, adopt laser alignment location, pivot angle mirror image reading, make instrument regulate more convenient, measurement result is more reliable.
3, on a cover instrument, realize two kinds of experiments, improved the service efficiency of instrument.
4, instruments design is rational in infrastructure, and workable, experimental result degree of accuracy is improved.
Description of drawings:
Fig. 1 is the general structure synoptic diagram of magnetic pendulum and simple pendulum combined experimental instrument.
Fig. 2 is the structural representation of the angle indicator board of magnetic pendulum and simple pendulum combined experimental instrument.
Fig. 3 is the structural representation of the swing rod of magnetic pendulum and simple pendulum combined experimental instrument.
In the drawings: 1. base, 2. column, 3. angle indicator board, 4. single pendulum cross bar, 5. single pendulum line, 6. single pendulum ball, 7. magnetic pendulum cross bar, 8. magnetic fork, 9. permanent magnet pendulum, 10. air track, 11. laser collimation devices, 12. photoelectric detection systems, 13. intelligent measuring apparatus, 14. non magnetic slide plates, 15. level crossings, 16. swing rods, 17. semi-circle plane mirrors, 18. holding screws.
Embodiment:
The utility model magnetic pendulum and simple pendulum combined experimental instrument by base 1, column 2, angle indicator board 3, single pendulum cross bar 4, single pendulum line 5, single pendulum ball 6, magnetic pendulum cross bar 7, magnetic fork 8, permanent magnet pendulum 9. air track 10, laser collimation device 11, photoelectric detection system 12, intelligent measuring apparatus 13; Non magnetic slide plate 14, level crossing 15, swing rod 16, semi-circle plane mirror 17, holding screw 18 are formed, column 2 is installed on the base 1, have horizontal shape hole, garden at the top of column 2, on the cylinder in the front of column 2, have the rectangular parallelepiped chute from top to bottom, level crossing 15 is housed below chute, whether vertical according to the imaging recoverable column 2 in the level crossing; Right flank at column 2 posts scale, and single pendulum cross bar 4 straight cuttings are in the shape hole, horizontal garden at column 2 tops; Single pendulum ball 6 is suspended on the single pendulum line 5, and the other end of single pendulum line 5 is fixed on the single pendulum cross bar 4; The pendulum length of single pendulum can accurately be measured by the scale on column 2 right sides; Swing rod 16 is placed in the chute on the cylinder in column 2 fronts, and can slide up and down along chute; Magnetic pendulum cross bar 7 straight cuttings tighten up in the garden tube of swing rod 16 front ends and by holding screw 18; Permanent magnet pendulum 9 is suspended on the magnetic fork 8, and the other end of magnetic fork 8 is suspended on the magnetic pendulum cross bar 7; Below magnetic pendulum cross bar 7, angle indicator board 3 is installed on the straight-bar that is placed in the chute, and can slide up and down along chute, and bevel protractor and semi-circle plane mirror 17 are housed on angle indicator board 3; When single pendulum line 5 or magnetic fork 8 were swung before angle indicator board 3, its mirror image can accurately be read the angle number of swing from mirror; Air track 10 is installed on the base 1 and is positioned at the dead ahead of column 2, the left side that non magnetic slide plate 14 is placed on the guide rail of air track 10, laser collimation device 11 is placed in air track 10; The ruddiness that it sends can be calibrated the vertical degree of column 2, and the control pendulum is swung in a plane, and the degree of accuracy of measurement is improved greatly; Photoelectric detection system 12 is installed on the base 1 and between air track 10 and column 2; Photosignal when single pendulum ball 6 or permanent magnet pendulum 9 were put photoelectric detection system 12 can show in real time by intelligent measuring apparatus 13; Intelligent measuring apparatus 13 links by lead and laser collimation device 11 and photoelectric detection system 12.
When doing experiment with simple pendulum, with magnetic pendulum cross bar 7 straight cuttings in the shape hole, horizontal garden at column 2 tops, and with single pendulum cross bar 4 straight cuttings in swing rod 16; And doing magnetic pendulum when experiment, then with magnetic pendulum cross bar 7 straight cuttings in swing rod 16, with single pendulum cross bar 4 straight cuttings in the shape hole, horizontal garden at column 2 tops; Two kinds of experimental implementation are independent of each other.
Claims (4)
1. magnetic pendulum and simple pendulum combined experimental instrument, comprise base (1), column (2), single pendulum cross bar (4), single pendulum line (5), single pendulum ball (6), magnetic pendulum cross bar (7), holding screw (18), it is characterized in that in its structure, being provided with angle indicator board (3), magnetic fork (8), permanent magnet pendulum (9), air track (10), laser collimation device (11), photoelectric detection system (12), intelligent measuring apparatus (13), non magnetic slide plate (14), level crossing (15), swing rod (16), semi-circle plane mirror (17); Column (2) is installed on the base (1), has horizontal shape hole, garden at the top of column (2), and single pendulum cross bar (4) straight cutting is in shape hole, garden; Single pendulum ball (6) is suspended on the single pendulum line (5), and the other end of single pendulum line (5) is fixed on the single pendulum cross bar (4); On the cylinder in the front of column (2), have the rectangular parallelepiped chute from top to bottom, swing rod (16) is placed in the chute, and magnetic pendulum cross bar (7) straight cutting tightens up in the garden tube of swing rod (16) front end and by holding screw (18); Permanent magnet pendulum (9) is suspended on the magnetic fork (8), and the other end of magnetic fork (8) is suspended on the magnetic pendulum cross bar (7); Below in magnetic pendulum cross bar (7), angle indicator board (3) are installed on the straight-bar that is placed in the chute; Air track (10) is installed in the dead ahead that column (2) were gone up and be positioned to base (1).
2. magnetic pendulum and simple pendulum combined experimental instrument according to claim 1 is characterized in that the left side that non magnetic slide plate (14) is placed on the guide rail of air track (10), laser collimation device (11) is placed in air track (10); Photoelectric detection system (12) is installed on the base (1) and is positioned between air track (10) and the column (2); Intelligent measuring apparatus (13) links by lead and laser collimation device (11) and photoelectric detection system (12).
3. magnetic pendulum and simple pendulum combined experimental instrument according to claim 2 is characterized in that on the cylinder in the front of column (2) level crossing (15) being housed below chute.
4. magnetic pendulum and simple pendulum combined experimental instrument according to claim 3 is characterized in that being equipped with bevel protractor and semi-circle plane mirror (17) on angle indicator board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920277570XU CN201638433U (en) | 2009-12-18 | 2009-12-18 | Magnetic pendulum simple-pendulum comprehensive experimental instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920277570XU CN201638433U (en) | 2009-12-18 | 2009-12-18 | Magnetic pendulum simple-pendulum comprehensive experimental instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638433U true CN201638433U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920277570XU Expired - Fee Related CN201638433U (en) | 2009-12-18 | 2009-12-18 | Magnetic pendulum simple-pendulum comprehensive experimental instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575187A (en) * | 2015-01-30 | 2015-04-29 | 王振环 | Kinetics study apparatus of vertical plane |
| CN105810052A (en) * | 2016-05-05 | 2016-07-27 | 江苏苏威尔科技有限公司 | Single pendulum moving rule experiment device |
-
2009
- 2009-12-18 CN CN200920277570XU patent/CN201638433U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575187A (en) * | 2015-01-30 | 2015-04-29 | 王振环 | Kinetics study apparatus of vertical plane |
| CN104575187B (en) * | 2015-01-30 | 2017-02-22 | 青岛农业大学 | Kinetics study apparatus of vertical plane |
| CN105810052A (en) * | 2016-05-05 | 2016-07-27 | 江苏苏威尔科技有限公司 | Single pendulum moving rule experiment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20101218 |