CN109545049A - A kind of Experiment of College Physics electromagnetic field three-dimensional modelling device - Google Patents
A kind of Experiment of College Physics electromagnetic field three-dimensional modelling device Download PDFInfo
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- CN109545049A CN109545049A CN201811449822.2A CN201811449822A CN109545049A CN 109545049 A CN109545049 A CN 109545049A CN 201811449822 A CN201811449822 A CN 201811449822A CN 109545049 A CN109545049 A CN 109545049A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
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Abstract
The invention discloses a kind of Experiment of College Physics electromagnetic field three-dimensional modelling devices, including mount board, the lower end surface of described device plate is equipped with power box, the bottom end of the power box is equipped with motor, lantern ring is installed on single rotation reciprocating screw rod, sliding shoe is provided with above described device plate, and sliding shoe is connected with electric pushrod, placement plate is provided with above described device plate, and placement plate is mounted on riser, and the top of riser is connected with the glass hood plate of arcuate structure, is uniformly equipped with iron filings bisque in the placement plate.Experiment of College Physics electromagnetic field three-dimensional modelling device, pass through the design to the drive mechanism in power box, ensure the device when in use, it can be used by controlling the positive and negative rotation of motor come the function of switching device, structure design is more reasonable, and can be changed to the distribution of electromagnet, while in the way of electric vibrator, iron filings are smoothed, it is more reasonable to design.
Description
Technical field
The present invention relates to physics teaching correlative technology field, specially a kind of Experiment of College Physics electromagnetic field three-dimensional modelling
Device.
Background technique
College Physics is one of process important in physics teaching, many complex knowledge related to physics abundant,
Education and instruction will be carried out to student during university, and physics teaching then be unable to do without related tool and experiment, is carrying out electricity
When magnetic-field test is imparted knowledge to students, traditional book knowledge can not the three-dimensional explanation magnetic distribution rule of image, lead to teaching efficiency not
It is good, and electromagnetic field experimental simulation device is then able to solve this problem, but due to the gradually in-depth of the content of courses, existing mould
Quasi- device then has the following problems when in use:
1. sprinkling iron filings, uniformly near magnetic field generally when carrying out electromagnetic field experiment simulation teching in order to pass through
The distribution trajectory for observing iron filings learns the regularity of distribution in magnetic field, but in order to not influence the subsequent use of device,
Experiment terminates front and back, requires people and manually smooths iron filings back and forth, use is excessively troublesome；
2. existing device mostly only teaches physical electromagnetic field distribution rule in a manner of a relative quiescent
It learns, changes the distribution mode of magnetic field line by changing size of current, teaching face is more single, for influencing the electricity of Distribution of Magnetic Field
The factors such as magnet spacing and distribution angle can not then adjust.
Summary of the invention
The purpose of the present invention is to provide a kind of Experiment of College Physics electromagnetic field three-dimensional modelling devices, to solve above-mentioned back
Terminate front and back in experiment in scape technology, requires people and manually smooth iron filings back and forth, use is excessively troublesome；Teaching face is more single
One, the problem of can not then being adjusted for electromagnet spacing and the factors such as distribution angle for influencing Distribution of Magnetic Field.
To achieve the above object, the invention provides the following technical scheme: a kind of Experiment of College Physics electromagnetic field solid mould
Quasi- device, including mount board, the lower end surface of described device plate are equipped with power box, and the power box is internally provided with horizontal point
Single rotation reciprocating screw rod of cloth, and be connected between single rotation reciprocating screw rod by the first horizontal axis, and singly revolve the lower section of reciprocating screw rod
It is provided with horizontal cylinder, while being connected between horizontal cylinder by the second horizontal axis, the bottom end of the power box is equipped with motor, and electronic
Machine is connected with the cross bar positioned at bottom end, and is connected between 2 cross bars by belt, installs on single rotation reciprocating screw rod
There is lantern ring, and lantern ring is connected by vertical bar with electromagnet, sliding shoe, and sliding shoe and electricity are provided with above described device plate
Dynamic push rod is connected, and placement plate is provided with above described device plate, and placement plate is mounted on riser, and the top of riser
It is connected with the glass hood plate of arcuate structure, is uniformly equipped with iron filings bisque in the placement plate.
Preferably, single rotation reciprocating screw rod and horizontal cylinder have 2, and Dan Xuan about the center line symmetrical setting of mount board
The inner wall of reciprocating screw rod and horizontal cylinder is respectively arranged with the first ratchet and the second ratchet.
Preferably, first ratchet and the second ratchet fasten with the first pawl and the second pawl respectively, the first pawl
The end point of the first horizontal axis and the second horizontal axis, and the bending rotation of the first pawl and the second pawl are separately mounted to the second pawl
Direction is contrary.
Preferably, the end point of the cross bar is separately installed with the first cone tooth and the second cone tooth, and the first cone on cross bar
Tooth and the second cone tooth bore tooth with first on the first horizontal axis and the second horizontal axis respectively and the second cone tooth is meshed.
Preferably, the lantern ring symmetrically shares 2 in mount board center two sides, and the moving direction of 2 lantern rings is on the contrary, simultaneously
And lantern ring and vertical bar form rotating mechanism.
Preferably, the end point sliding slot of the vertical bar, the two are to be slidably connected, and sliding slot is provided on mount board, device
Push-pull rod is provided with above plate.
Preferably, the end of the push-pull rod passes through at the hollow structure in vertical bar middle section, and push-pull rod and vertical bar are slidably connected,
And the end point of push-pull rod is rotatably installed on sliding shoe, push-pull rod is horizontal distribution.
Preferably, it is provided with percussion wheel below the placement plate, taps wheel and is mounted in shaft, and be mounted on riser
Shaft end be connected by connecting band with horizontal cylinder, connecting band be belt or chain.
Preferably, it is connected with hollow cap between the riser, compass, and guide are provided in the hollow structure of hollow cap
Needle is mounted on the arc plate structure on the inside of hollow cap, and 2 hollow caps are symmetrically distributed in the two sides of placement plate.
Compared with prior art, the beneficial effects of the present invention are: Experiment of College Physics electromagnetic field three-dimensional modelling device,
Pass through the design to the drive mechanism in power box, it is ensured that the device when in use, can pass through the positive and negative rotation of control motor
The function of carrying out switching device uses, and structure design is more reasonable, and can be changed to the distribution of electromagnet, simultaneously
In the way of electric vibrator, iron filings are smoothed, it is more reasonable to design；
1. single rotation isostructural use of reciprocating screw rod, between being controlled between electromagnet by the rotation of motor
Away from position, and the use of horizontal barrel structure, then can carry out vibration to the iron filings in placement plate by the rotation of motor smooth,
Structure design is more reasonable；
2. the use of the first horizontal axis and second horizontal axis this body structure, cooperates the use of multiple ratchet pawl structures, it is ensured that
In the different steerings of motor, single reciprocating screw rod or horizontal cylinder of revolving individually can follow cross bar to rotate, to complete above-mentioned control
Spaced position between electromagnet and the switching that the iron filings in placement plate are carried out with the function that vibration smooths；
3. the design of this body structure of push-pull rod and vertical bar, it is ensured that the device is in operation in use, can be to two electromagnetism
Iron carries out the synchronous deflection adjustment of angle, it is ensured that student can observe the variation of electromagnetic field under different affecting factors, and guide
The use of needle and hollow cap, it is ensured that student has a more intuitive observing effect to the distribution of avris electromagnetic field lines.
Detailed description of the invention
Fig. 1 is that the present invention just cuts open structural schematic diagram；
Fig. 2 is that structural schematic diagram is cutd open in the first horizontal axis side of the invention；
Fig. 3 is that structural schematic diagram is cutd open in the second horizontal axis side of the invention；
Fig. 4 is that structural schematic diagram is cutd open in side of the present invention；
Fig. 5 is that the present invention taps wheel side structure schematic view；
Fig. 6 bows for the present invention and cuts open structural schematic diagram.
In figure: 1, mount board；2, power box；3, single rotation reciprocating screw rod；4, the first horizontal axis；41, the first pawl；42, first
Ratchet；5, horizontal cylinder；6, the second horizontal axis；61, the second pawl；62, the second ratchet；7, motor；8, cross bar；81, the first cone tooth；
82, the second cone tooth；9, lantern ring；10, vertical bar；101, sliding slot；102, push-pull rod；11, electromagnet；12, sliding shoe；13, electronic to push away
Bar；14, placement plate；141, wheel is tapped；142, shaft；143, connecting band；15, riser；151, hollow cap；152, compass；16,
Iron filings bisque；17, glass hood plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of Experiment of College Physics electromagnetic field three-dimensional modelling dress
It sets, including mount board 1, power box 2, single rotation reciprocating screw rod 3, the first horizontal axis 4, the first pawl 41, the first ratchet 42, horizontal cylinder 5, the
Two horizontal axis 6, the second pawl 61, the second ratchet 62, motor 7, cross bar 8, first bore tooth 81, second and bore tooth 82, lantern ring 9, vertical bar
10, sliding slot 101, push-pull rod 102, electromagnet 11, sliding shoe 12, electric pushrod 13, placement plate 14, tap wheel 141, shaft 142,
Connecting band 143, riser 15, hollow cap 151, compass 152, iron filings bisque 16 and glass hood plate 17, the lower end surface peace of mount board 1
Equipped with power box 2, the single rotation reciprocating screw rod 3 for being internally provided with horizontal distribution of power box 2, and lead between single rotation reciprocating screw rod 3
It crosses the first horizontal axis 4 to be connected, and the lower section for singly revolving reciprocating screw rod 3 is provided with horizontal cylinder 5, while horizontal by second between horizontal cylinder 5
Axis 6 is connected, and the bottom end of power box 2 is equipped with motor 7, and motor 7 is connected with the cross bar 8 positioned at bottom end, and 2
It is connected between cross bar 8 by belt, single revolve is equipped with lantern ring 9 on reciprocating screw rod 3, and lantern ring 9 passes through vertical bar 10 and electromagnet
11 are connected, and the top of mount board 1 is provided with sliding shoe 12, and sliding shoe 12 is connected with electric pushrod 13, mount board 1 it is upper
Side is provided with placement plate 14, and placement plate 14 is mounted on riser 15, and the top of riser 15 is connected with the glass of arcuate structure
Glass cover plate 17 is uniformly equipped with iron filings bisque 16 in placement plate 14.
Single rotation reciprocating screw rod 3 and horizontal cylinder 5 have 2, and single rotation reciprocating screw rod about the center line symmetrical setting of mount board 1
3 and the inner wall of horizontal cylinder 5 be respectively arranged with the first ratchet 42 and the second ratchet 62, the first ratchet 42 and the second ratchet 62 are respectively with
One pawl 41 and the second pawl 61 fasten, and the first pawl 41 and the second pawl 61 are separately mounted to the first horizontal axis 4 and the second cross
The end point of axis 6, and the bending rotation direction of the first pawl 41 and the second pawl 61 is contrary, the end point of cross bar 8 is pacified respectively
Equipped with first cone tooth 81 and second cone tooth 82, and on cross bar 8 first cone tooth 81 and second cone tooth 82 respectively with the first horizontal axis 4 and
The first cone tooth 81 and the second cone tooth 82 on second horizontal axis 6 are meshed, when motor 7 drives cross bar 8 to rotate clockwise,
Under engagement between first cone tooth 81 between the second cone tooth 82, the first horizontal axis 4 and the second horizontal axis 6 can follow cross accordingly
Bar 8 rotates together, and under the snap-in function between ratchet and pawl, single reciprocating screw rod 3 or horizontal cylinder 5 of revolving can be followed by the first horizontal axis
4, the second horizontal axis 6 correspondingly rotates.
Lantern ring 9 symmetrically shares 2 in 1 center two sides of mount board, and the moving direction of 2 lantern rings 9 is on the contrary, and lantern ring 9
Rotating mechanism, the end point sliding slot 101 of vertical bar 10 are formed with vertical bar 10, the two is to be slidably connected, and sliding slot 101 is provided with device
On plate 1, the top of mount board 1 is provided with push-pull rod 102, and the end of push-pull rod 102 passes through at the hollow structure in 10 middle section of vertical bar,
Push-pull rod 102 and vertical bar 10 are slidably connected, and the end point of push-pull rod 102 is rotatably installed on sliding shoe 12, and push-pull rod 102 is
Horizontal distribution, single rotation for revolving reciprocating screw rod 3, lantern ring 9 can drive electromagnet 11 to synchronize to move back and forth by vertical bar 10, thus
Achieve the purpose that adjust 11 spacing of electromagnet, correspondingly, when vertical bar 10 slides in sliding slot 101,10 middle section of vertical bar it is hollow
Structure can then move on push-pull rod 102, and when electric pushrod 13 is in operating status, sliding shoe 12 can then pass through push-pull rod
102 drive vertical bars 10 rotate on lantern ring 9, and electromagnet 11 follows vertical bar 10 to rotate together, to realize that control electromagnet 11 makes
With the purpose of angle.
The lower section of placement plate 14 is provided with percussion wheel 141, taps wheel 141 and is mounted in shaft 142, and is mounted on riser 15
On 142 end of shaft be connected with horizontal cylinder 5 by connecting band 143, connecting band 143 is belt or chain, and horizontal cylinder 5 is following the
When two horizontal axis 6 rotate, under the transmission effect of connecting band 143, shaft 142 can then rotate on riser 15 together, and pass through
The iron filings bisque 16 in percussion 141 pairs of placement plates 14 of wheel constantly rotated carries out vibration and smooths operation, in order to subsequent experiment
Simulation uses.
It is connected with hollow cap 151 between riser 15, compass 152, and guide are provided in the hollow structure of hollow cap 151
Needle 152 is mounted on the arc plate structure of 151 inside of hollow cap, and 2 hollow caps 151 are symmetrically distributed in the two of placement plate 14
Side, the use of compass 152 and hollow cap 151, it is ensured that student to the distribution of avris electromagnetic field lines have one it is more straight
The observing effect of sight.
Working principle: under the original state of the device, power-on servicing can be carried out to the electromagnet 11 in device, in electromagnetism
Under the influence of effect, according to the magnetic field line of generation unique change in location can occur for the iron filings bisque 16 in placement plate 14, phase
It answers, the compass 152 in device two sides hollow cap 151 can then be shown from distribution characteristics of the two sides to magnetic field line, thus
Achieve the effect that experiment simulation；
When motor 7 drives cross bar 8 to rotate clockwise, the nibbling between the second cone tooth 82 between the first cone tooth 81
Under cooperation is used, the first horizontal axis 4 and the second horizontal axis 6 can follow accordingly cross bar 8 to rotate together, the engaging between ratchet and pawl
Under effect, single reciprocating screw rod 3 that revolves can be followed by the rotation of the first horizontal axis 4, and horizontal cylinder 5 not can rotate then, and lantern ring 9 can be by perpendicular at this time
Bar 10 moves back and forth to drive electromagnet 11 to synchronize, to achieve the purpose that adjust 11 spacing of electromagnet, correspondingly, working as vertical bar 10
When sliding in sliding slot 101, the hollow structure in 10 middle section of vertical bar can then move on push-pull rod 102, when electric pushrod 13 is in
When operating status, sliding shoe 12 then can drive vertical bar 10 to rotate on lantern ring 9 by push-pull rod 102, and electromagnet 11 follows vertical bar
10 rotate together, to realize that control electromagnet 11 uses the purpose of angle；
When motor 7 drives cross bar 8 to rotate counterclockwise, the nibbling between the second cone tooth 82 between the first cone tooth 81
Under cooperation is used, the first horizontal axis 4 and the second horizontal axis 6 can follow accordingly cross bar 8 to rotate together, the engaging between ratchet and pawl
Under effect, single reciprocating screw rod 3 that revolves not can rotate, and horizontal cylinder 5 can then follow the second horizontal axis 6 to rotate, and make in the transmission of connecting band 143
Under, shaft 142 can then rotate on riser 15 together, and the percussion by constantly rotating is taken turns in 141 pairs of placement plates 14
Iron filings bisque 16 carries out vibration and smooths operation, simulates and uses in order to subsequent experiment.
It is to be appreciated that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", "vertical", " water
It is flat ", "top", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings,
It is only the present invention and simplified description for ease of description, rather than indicating or imply signified device or element must have specifically
Orientation is constructed and is operated for specific orientation, thus should not be understood as the limitation to present invention protection content.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of Experiment of College Physics electromagnetic field three-dimensional modelling device, including mount board (1), it is characterised in that: described device
The lower end surface of plate (1) is equipped with power box (2), the single rotation reciprocating screw rod for being internally provided with horizontal distribution of the power box (2)
(3), and between single rotation reciprocating screw rod (3) it is connected by the first horizontal axis (4), and singly revolves the lower section setting of reciprocating screw rod (3)
Have horizontal cylinder (5), while being connected between horizontal cylinder (5) by the second horizontal axis (6), the bottom end of the power box (2) is equipped with electronic
Machine (7), and motor (7) is connected with the cross bar (8) positioned at bottom end, and is connected between 2 cross bars (8) by belt,
It is equipped with lantern ring (9) on single rotation reciprocating screw rod (3), and lantern ring (9) is connected by vertical bar (10) with electromagnet (11), institute
It states and is provided with above mount board (1) sliding shoe (12), and sliding shoe (12) is connected with electric pushrod (13), described device plate
(1) it is provided with above placement plate (14), and placement plate (14) is mounted on riser (15), and the top connection of riser (15)
There is the glass hood plate (17) of arcuate structure, is uniformly equipped with iron filings bisque (16) on the placement plate (14).
2. a kind of Experiment of College Physics according to claim 1 electromagnetic field three-dimensional modelling device, it is characterised in that: described
Single rotation reciprocating screw rod (3) and horizontal cylinder (5) have 2, and single rotation reciprocating screw rod about the center line symmetrical setting of mount board (1)
(3) and the inner wall of horizontal cylinder (5) is respectively arranged with the first ratchet (42) and the second ratchet (62).
3. a kind of Experiment of College Physics according to claim 2 electromagnetic field three-dimensional modelling device, it is characterised in that: described
First ratchet (42) and the second ratchet (62) fasten with the first pawl (41) and the second pawl (61) respectively, the first pawl (41)
The end point of the first horizontal axis (4) and the second horizontal axis (6), and the first pawl (41) and second are separately mounted to the second pawl (61)
The bending rotation direction of pawl (61) is contrary.
4. a kind of Experiment of College Physics according to claim 1 electromagnetic field three-dimensional modelling device, it is characterised in that: described
The end point of cross bar (8) is separately installed with the first cone tooth (81) and the second cone tooth (82), and the first cone tooth (81) on cross bar (8)
Tooth (82) phase is bored with the first cone tooth (81) and second on the first horizontal axis (4) and the second horizontal axis (6) respectively with the second cone tooth (82)
Engagement.
5. a kind of Experiment of College Physics according to claim 1 electromagnetic field three-dimensional modelling device, it is characterised in that: described
Lantern ring (9) symmetrically shares 2 in mount board (1) center two sides, and the moving direction of 2 lantern rings (9) is on the contrary, and lantern ring (9)
Rotating mechanism is formed with vertical bar (10).
6. a kind of Experiment of College Physics according to claim 1 electromagnetic field three-dimensional modelling device, it is characterised in that: described
The end point sliding slot (101) of vertical bar (10), the two are to be slidably connected, and sliding slot (101) is provided on mount board (1), mount board
(1) push-pull rod (102) are provided with above.
7. a kind of Experiment of College Physics according to claim 6 electromagnetic field three-dimensional modelling device, it is characterised in that: described
The end of push-pull rod (102) passes through at the hollow structure in vertical bar (10) middle section, and push-pull rod (102) and vertical bar (10) are slidably connected,
And the end point of push-pull rod (102) is rotatably installed on sliding shoe (12), push-pull rod (102) is horizontal distribution.
8. a kind of Experiment of College Physics according to claim 1 electromagnetic field three-dimensional modelling device, it is characterised in that: described
It is provided with percussion wheel (141) below placement plate (14), taps wheel (141) and is mounted on shaft (142), and be mounted on riser
(15) shaft (142) end on is connected by connecting band (143) with horizontal cylinder (5), and connecting band (143) is belt or chain.
9. a kind of Experiment of College Physics according to claim 1 electromagnetic field three-dimensional modelling device, it is characterised in that: described
It is connected with hollow cap (151), is provided in the hollow structure of hollow cap (151) compass (152), and guide between riser (15)
Needle (152) is mounted on the arc plate structure on the inside of hollow cap (151), and 2 hollow caps (151) are symmetrically distributed in placement plate
(14) two sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811449822.2A CN109545049B (en) | 2018-11-30 | 2018-11-30 | Electromagnetic field three-dimensional simulation device for college physics experiments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811449822.2A CN109545049B (en) | 2018-11-30 | 2018-11-30 | Electromagnetic field three-dimensional simulation device for college physics experiments |
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| CN109545049A true CN109545049A (en) | 2019-03-29 |
| CN109545049B CN109545049B (en) | 2020-11-17 |
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| CN109966152A (en) * | 2019-05-22 | 2019-07-05 | 蒋秀 | A kind of paediatrics shaped pharmaceutical precision fractionation dispensation apparatus |
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| CN111186020A (en) * | 2020-01-09 | 2020-05-22 | 江西达人建材有限公司 | Raw material mixing device is used in haydite production |
| CN113178099A (en) * | 2021-04-08 | 2021-07-27 | 淄博师范高等专科学校 | Chinese pronunciation teaching aid |
| CN114927041A (en) * | 2022-04-19 | 2022-08-19 | 湖南文理学院 | Multifunctional experimental instrument for physics and electromagnetism |
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|---|---|
| CN109545049B (en) | 2020-11-17 |
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