CN105243933A - Relative movement demonstration instrument - Google Patents

Relative movement demonstration instrument Download PDF

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Publication number
CN105243933A
CN105243933A CN201510702050.9A CN201510702050A CN105243933A CN 105243933 A CN105243933 A CN 105243933A CN 201510702050 A CN201510702050 A CN 201510702050A CN 105243933 A CN105243933 A CN 105243933A
Authority
CN
China
Prior art keywords
slide block
stepper motor
axis
guide rail
relative motion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510702050.9A
Other languages
Chinese (zh)
Inventor
张守超
杨广武
赵斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Chengjian University
Original Assignee
Tianjin Chengjian University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Chengjian University filed Critical Tianjin Chengjian University
Priority to CN201510702050.9A priority Critical patent/CN105243933A/en
Publication of CN105243933A publication Critical patent/CN105243933A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/08Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
    • G09B23/10Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies

Abstract

The invention discloses a relative movement demonstration instrument. An Y axis stepping motor of the relative movement demonstration instrument is arranged on the Y axis stepping motor fixing board; the Y axis stepping motor fixing board is installed on the bottom plate; the lower part of a screw rod is connected to the Y axis stepping motor through a coupler; the upper part of the screw rod is supported by a screw rod upper part fixing board; the screw rod upper part fixing board is installed on the bottom plate; a sliding block sleeves the screw rod; a guide rail is fixed on the sliding block through a bolt; the guide rail is provided with the sliding block with a magnetic pen; the X axis stepping motor and a synchronous belt fixing wheel are fixed on two ends of the guide rail; the synchronous belt fixing wheel is connected to the sliding block with the magnetic pen; and a synchronous wheel is arranged on the rotation shaft of the X axis stepping motor. The benefit effects of the invention are that: the whole demonstration instrument is plastered on the blackboard for the whole class to clearly watch. The invention can realize various motion case and can perform synthesis and decomposition on the motion, and the motion track is closer to the truth.

Description

Relative motion demonstrator
Technical field
Originally the present invention relates to a kind of instruments used for education, particularly a kind of relative motion demonstrator.
Technical background
Relative motion is the emphasis of large physics teaching in secondary school, is also difficult point, because describe the even three-dimensional motion of concrete two dimension with abstract language and picture, student understands to get up to have any problem, and causes this simple problem to allow a lot of classmate understand not thorough.
The technology of existing instrument is as motion synthesis decomposition demonstrating instrument (patent No.: 201320662464.X) and the Multi-functional projectile motion research apparatus (patent No.: the content 200620069074.1) demonstrating a part of relative motion, but instrument demonstration is inconvenient, and teacher can not teach and demonstrate; Control system is intelligent not, and misoperation will damage instrument; Can only move with uniform velocity, not accomplish accelerated motion; Instrument component is more carries inconvenience; Mechanical part friction force can cause larger impact to instrument demonstration.
Summary of the invention
For the deficiency of above-mentioned existing instrument, the object of this invention is to provide a kind of relative motion demonstrator, this demonstrator can be attached on blackboard, teacher can while teach to classmate's door, while control this demonstrator with telepilot, allow the classmate of whole class clearly can see the essence that two dimensional motion is formed, thus grasp this important knowledge point rapidly.
For achieving the above object, this the technical solution used in the present invention is to provide a kind of relative motion demonstrator, wherein: this demonstrator comprises slide block, guide rail, Timing Belt, Timing Belt fast pulley, base plate, leading screw top tie plate, slide block, limit switch, leading screw, y-axis stepper motor fixed head, y-axis stepper motor, X-axis stepper motor, synchronizing wheel, the magnet electric-control system of magnetic drawing, band magnetic pen.Described y-axis stepper motor is arranged on y-axis stepper motor fixed head, y-axis stepper motor fixed head is installed on base plate, bottom and the y-axis stepper motor of leading screw are linked together by shaft coupling, the top of leading screw is supported by leading screw top tie plate, leading screw top tie plate is arranged on base plate, on leading screw, cover has slide block, guide rail is bolted on slide block, guide rail is provided with the slide block of band magnetic pen, X-axis stepper motor and Timing Belt fast pulley are separately fixed at the two ends of guide rail, Timing Belt fast pulley is connected with the slide block of band magnetic pen, synchronizing wheel is located in the rotating shaft of X-axis stepper motor.
This effect of the present invention is:
(1) can be attached on blackboard by whole instrument, the classmate for whole class watches clear.
(2) this instrument Single-chip Controlling, can realize more various motion conditions, and movement locus is more close to truth.
(3) installing plate of a whole set of instrument is all with organic glass, quality very light.
(4) a whole set of instrument can be put in a suitcase, very conveniently carries.
(5) wired keyboard control and telepilot can be selected to control two kinds of control methods.
(6) composition and decomposition moved can be realized.
Accompanying drawing explanation
Fig. 1 is this mechanical system figure of the present invention;
Fig. 2 is the slide block enlarged drawing of this band magnetic pen of the present invention;
Fig. 3 is this control button figure of the present invention;
Fig. 4 is these circuit theory diagrams of the present invention.
In figure:
1, slide block 3, guide rail 4, the Timing Belt of magnetic drawing board 2, band magnetic pen
5, Timing Belt fast pulley 6, base plate 7, leading screw top tie plate hole 8, slide block
9, limit switch 10 leading screw 11, y-axis stepper motor fixed head
12, y-axis stepper motor 13, X-axis stepper motor 14, synchronizing wheel 15, magnet
16, guide rail slide block 17, spring 18, magnetic pen 19, X-axis motor rotate forward button
20, X-axis motor reversal motor 21, X-axis motor turbo
22, X-axis decelerating through motor button 23, y-axis motor rotate forward button
24, y-axis motor reverse button 25, y-axis motor turbo
26, y-axis motor deceleration button 27, simple harmonic motion button
28, stop key 29, driving stepper motor 30, supervisory keyboard 31, single-chip microcomputer
Embodiment
By reference to the accompanying drawings the structure of this relative motion demonstrator of the present invention is illustrated.
This relative motion demonstrator design philosophy of the present invention does power source with stepper motor, lead-screw drive mechanism completes the motion of Y direction, synchronous belt drive mechanism completes the motion of X-direction, with single-chip microcomputer, stepper motor is controlled, realize different rotating speeds, the motion in one dimension of both direction is combined into a complicated two dimensional motion.Be attached on blackboard by the magnet of demonstrator, teacher controls demonstrator by telepilot, and demonstration of conveniently attending class very, can allow student inherently understand relative motion.
As shown in Figure 1, the structure of this relative motion demonstrator of the present invention is, this demonstrator comprises magnetic drawing 1, the slide block 2 being with magnetic pen, guide rail 3, Timing Belt 4, Timing Belt fast pulley 5, base plate 6, leading screw top tie plate 7, slide block 8, limit switch 9, leading screw 10, y-axis stepper motor fixed head 11, y-axis stepper motor 12, X-axis stepper motor 13, synchronizing wheel 14, magnet 15 and electric-control system.
Described y-axis stepper motor 12 is arranged on y-axis stepper motor fixed head 11, y-axis stepper motor fixed head 11 is installed on base plate 6, bottom and the y-axis stepper motor 12 of leading screw 10 are linked together by shaft coupling, the top of leading screw 10 is supported by leading screw top tie plate 7, leading screw top tie plate 7 is arranged on base plate 6, on leading screw 10, cover has slide block 8, guide rail 3 is bolted on slide block 8, be provided with the slide block 2 of band magnetic pen on guides 3, X-axis stepper motor 13 and Timing Belt are fixed 5 and are taken turns the two ends being separately fixed at guide rail 3, Timing Belt fast pulley 5 is connected with the slide block 2 of band magnetic pen, synchronizing wheel 14 is located in the rotating shaft of X-axis stepper motor 13.
Between described magnetic pen 18 and slide block 16, be provided with a spring 17, make magnetic pen 18 can against magnetic drawing 1 always, but large resistance can not be produced again.So magnetic pen 18 is close to magnetic board 1, can leave track on magnetic drawing 1 time and then slide block 2 moves, this track is exactly the movement locus of slide block 2.
Described electric-control system includes interconnective driving stepper motor 29, supervisory keyboard 30, single-chip microcomputer 31; The control button of supervisory keyboard 30 has 10, first to fourth button 19 to 22 controls the rotating forward of X-axis motor, reversion, acceleration and deceleration respectively, 5th to the 8th button 23 to 26 controls the rotating forward of Y-axis two motor, reversion, acceleration and deceleration respectively, by pressing simple harmonic motion demonstration button 27, described relative motion demonstrator demonstration simple harmonic motion, stopping key 28 by pressing, the everything of described relative motion demonstrator can be stopped.
The function of this relative motion demonstrator of the present invention is achieved in that
As shown in Figure 1, the stepper motor 12 rotating band movable wire thick stick 10 of Y-axis rotates, and make slide block 8 in vertical direction motion, the guide rail be contained on slide block 8 followed by slide block 8 and moves at vertical direction.
As shown in Figure 1, X-axis stepper motor 13 rotates, and drives synchronizing wheel 14 to rotate, thus drives Timing Belt 5 to move, and the slide block 2 of the band magnetic pen be attached thereto also and then moves in X-direction.
As shown in Figure 1, be that fixing the slide block of band magnetic pen also can follow guide rail 3 in Y direction motion when prolonging X-direction motion on guides 3 at the parts of X-direction motion, a complicated two dimensional motion has just been synthesized in two simple motions in one dimension.
As shown in Figure 2, magnetic pen 18 is close to magnetic board 1, can leave track time and then the slide block 2 of band magnetic pen moves on magnetic drawing 1, and this track is exactly the movement locus of the slide block 2 of band magnetic pen.Just the two dimensional motion of this complexity has been disassembled when allowing when X-axis and Y-axis independently moving, student just inherently can understand two dimensional motion, really fast and accurate by this part acquisition of knowledge.
As shown in Figure 4, single-chip microcomputer 31 is linked together by wire and driving stepper motor 29, and driving stepper motor 29 is linked together by wire and single-chip microcomputer 31, and supervisory keyboard 30 and single-chip microcomputer 31 are linked together by wire.Press the button of on supervisory keyboard 30, first instruction is input in single-chip microcomputer 31, after single-chip microcomputer 31 processes, then driving stepper motor 29 is issued in instruction, then driving stepper motor 29 Driving Stepping Motor carries out action.Can stored routine inside single-chip microcomputer 31, the motion of various states can be done by control step motor.
The basic operational steps of this relative motion demonstrator of the present invention:
First this relative motion demonstrator is directly attached on blackboard, switches on power, by telepilot, the slide block 2 of band magnetic pen is adjusted to suitable position.
As shown in Figure 3, the function of each button is:
Press separately 19 keys, the slide block 2 of band magnetic pen does linear uniform motion in X-axis positive dirction.
Press separately 20 keys, the slide block 2X axle negative direction of band magnetic pen does linear uniform motion.
Press separately 21 keys, the slide block 2 of band magnetic pen does uniformly accelrated rectilinear motion in X-axis along direction of motion last time.
Press separately 22 keys, the slide block 2 of band magnetic pen does even deceleration rectilinear motion in X-axis along direction of motion last time.
Press separately 23 keys, the slide block 2 of band magnetic pen does linear uniform motion in Y-axis positive dirction.
Press separately 24 keys, the slide block 2 of band magnetic pen does linear uniform motion in Y-axis negative direction.
Press separately 25 keys, the slide block 2 of band magnetic pen does uniformly accelrated rectilinear motion in Y-axis along direction of motion last time.
Press separately 26 keys, the slide block 2 of band magnetic pen does even deceleration rectilinear motion in Y-axis along direction of motion last time.
Press separately 27 keys, the slide block 2 of band magnetic pen does simple harmonic motion.
Press separately 28 keys, everything all stops.
User according to the demand of oneself, can demonstrate multi-motion situation by different key combination.It is to be noted that the button controlling X-direction motion can not press two simultaneously, the button controlling Y direction can not press two simultaneously.

Claims (7)

1. a relative motion demonstrator, is characterized in that: this demonstrator comprises magnetic drawing (1), the slide block (2) being with magnetic pen, guide rail (3), Timing Belt (4), Timing Belt fast pulley (5), base plate (6), leading screw top tie plate (7), slide block (8), limit switch (9), leading screw (10), y-axis stepper motor fixed head (11), y-axis stepper motor (12), X-axis stepper motor (13), synchronizing wheel (14), magnet (15) and electric-control system;
Described y-axis stepper motor (12) is arranged on y-axis stepper motor fixed head (11), y-axis stepper motor fixed head (11) is installed on base plate (6), bottom and the y-axis stepper motor (12) of leading screw (10) are linked together by shaft coupling, the top of leading screw (10) is supported by leading screw top tie plate (7), leading screw top tie plate (7) is arranged on base plate (6), slide block (8) is had at the upper cover of leading screw (10), guide rail (3) is bolted on slide block (8), guide rail (3) is provided with the slide block (2) of band magnetic pen, X-axis stepper motor (13) and Timing Belt are fixed (5) and are taken turns the two ends being separately fixed at guide rail (3), Timing Belt fast pulley (5) is connected with the slide block (2) of band magnetic pen, synchronizing wheel (14) is located in the rotating shaft of X-axis stepper motor (13).
2. relative motion demonstrator according to claim 1, it is characterized in that: stepper motor (12) rotating band movable wire thick stick (10) of described Y-axis rotates, make slide block (8) in vertical direction motion, the guide rail be contained on slide block (8) followed by slide block (8) and moves in Y direction.
3. relative motion demonstrator according to claim 1, it is characterized in that: described X-axis stepper motor (13) is rotated, synchronizing wheel (14) is driven to rotate, thus driving Timing Belt (5) mobile, the slide block (2) of the band magnetic pen be attached thereto also and then moves in X-direction.
4. relative motion demonstrator according to claim 1, it is characterized in that: the parts moved in described X-direction are fixed on guide rail (3), the slide block of band magnetic pen also can be followed guide rail (3) and be moved in Y direction when moving in the X-axis direction.
5. relative motion demonstrator according to claim 1, it is characterized in that: described magnetic pen (18) is close to magnetic board (1), and then can leave track on magnetic drawing (1) time slide block (2) moves, this track is exactly the movement locus of slide block (2).
6. relative motion demonstrator according to claim 1, it is characterized in that: between described magnetic pen (18) and slide block (16), be provided with a spring (17), make magnetic pen (18) that magnetic drawing (1) can be against always, but large resistance can not be produced again.
7. relative motion demonstrator according to claim 1, is characterized in that: described electric-control system includes interconnective driving stepper motor (29), supervisory keyboard (30), single-chip microcomputer (31); The control button of supervisory keyboard (30) has 10, first to fourth button (19) to (22) controls the rotating forward of X-axis motor, reversion, acceleration and deceleration respectively, 5th to the 8th button (23) to (26) controls the rotating forward of Y-axis two motor, reversion, acceleration and deceleration respectively, by pressing simple harmonic motion demonstration button (27), described relative motion demonstrator demonstration simple harmonic motion, stopping key by pressing (28), the everything of described relative motion demonstrator can be stopped.
CN201510702050.9A 2015-10-26 2015-10-26 Relative movement demonstration instrument Pending CN105243933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510702050.9A CN105243933A (en) 2015-10-26 2015-10-26 Relative movement demonstration instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510702050.9A CN105243933A (en) 2015-10-26 2015-10-26 Relative movement demonstration instrument

Publications (1)

Publication Number Publication Date
CN105243933A true CN105243933A (en) 2016-01-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510702050.9A Pending CN105243933A (en) 2015-10-26 2015-10-26 Relative movement demonstration instrument

Country Status (1)

Country Link
CN (1) CN105243933A (en)

Citations (11)

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Publication number Priority date Publication date Assignee Title
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US6402521B1 (en) * 1997-01-20 2002-06-11 Djordje Atanackov Apparatus for demonstrating changes in motion with respect to time
CN2582075Y (en) * 2002-09-30 2003-10-22 朱荣贵 Image demonstrator for motion resultant and decomposition
JP2006301174A (en) * 2005-04-19 2006-11-02 Yamaguchi Univ Teaching material device for visualizing gas state equation
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Patent Citations (11)

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Publication number Priority date Publication date Assignee Title
US6402521B1 (en) * 1997-01-20 2002-06-11 Djordje Atanackov Apparatus for demonstrating changes in motion with respect to time
CN2452070Y (en) * 2000-11-23 2001-10-03 山东省五莲县第一中学 Motion composition demonsatration instrument
CN2582075Y (en) * 2002-09-30 2003-10-22 朱荣贵 Image demonstrator for motion resultant and decomposition
JP2006301174A (en) * 2005-04-19 2006-11-02 Yamaguchi Univ Teaching material device for visualizing gas state equation
CN2884380Y (en) * 2006-01-27 2007-03-28 屠步华 Multi-functional projectile motion research apparatus
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Application publication date: 20160113