CN209015513U - A kind of physics teaching centrifugal force demonstration device - Google Patents
A kind of physics teaching centrifugal force demonstration device Download PDFInfo
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- CN209015513U CN209015513U CN201820347009.3U CN201820347009U CN209015513U CN 209015513 U CN209015513 U CN 209015513U CN 201820347009 U CN201820347009 U CN 201820347009U CN 209015513 U CN209015513 U CN 209015513U
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- desktop
- centrifugal force
- processor
- display screen
- regulating motor
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Abstract
The utility model discloses a kind of physics teaching centrifugal force demonstration devices, including desktop, speed regulating motor and display screen, the two sides of the bottom of the desktop are mounted on supporting leg, it is connected between two groups of supporting legs by placement plate, speed regulating motor is installed, the transmission shaft of the speed regulating motor runs through desktop and is connected with one end of bull stick at the top of the placement plate.The utility model drives bar rotation by speed regulating motor, so that tube body moves in a circle, intracorporal second sliding block meeting compressed spring is managed to so that briquetting stress, processor is transferred data to which pressure sensor experiences power, processor shows data on a display screen, pass through electric machine speed regulation button, adjust the speed of motor, observe the variation of stress data on display screen, so that the more intuitive relationship for understanding centrifugal force and speed of student, the interest in classroom is improved simultaneously, so that student's learning efficiency effectively improves, it is more practical, it is suitble to be widely popularized and uses.
Description
Technical field
The utility model relates to a kind of centrifugal force demonstration device, in particular to a kind of physics teaching centrifugal force demonstration device.
Background technique
Centrifugal force is a kind of fictitious force, is a kind of inertia force, it makes the object of rotation far from its rotation center.In newton
In mechanics, centrifugal force once be used to state two different concepts: a kind of inertia observed under a non inertial reference frame
Power, the balance of centripetal force.Under Lagrangian mechanics, centrifugal force is used to describe the broad sense under some generalized coordinates sometimes
Power, when object is when doing on-rectilinear movement (non newtonian environment, such as: circular motion or turning motion), because object centainly has this
The quality of body exists, inertia caused by quality can force object continue towards motion profile tangential direction (originally at that moment
The rectilinear direction of advance) advance, rather than along past direction of next turning.
It when explaining centrifugal force is explained by the writing on the blackboard of teacher on existing Physics Classroom, classroom is uninteresting
It is dull, so that student is poor to the understanding of centrifugal force, so as to cause the decline of learning efficiency, therefore, it is proposed that a kind of physics
Centrifugal force demonstration device is used in teaching.
Utility model content
The main purpose of the utility model is to provide a kind of physics teaching centrifugal force demonstration device, can effectively solve to carry on the back
It on existing Physics Classroom when explaining centrifugal force is explained by the writing on the blackboard of teacher in scape technology, classroom is uninteresting
It is dull so that student is poor to the understanding of centrifugal force, so as to cause learning efficiency decline the problem of.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of physics teaching centrifugal force demonstration device, including desktop, speed regulating motor and display screen, the bottom two of the desktop
Side is mounted on supporting leg, is connected between two groups of supporting legs by placement plate, is equipped with speed regulating motor at the top of the placement plate, described
The transmission shaft of speed regulating motor runs through desktop and is connected with one end of bull stick, and the other end of the bull stick is connected with tube body, the pipe
The bottom of body is connected with the top of strut, and the surface of the desktop is equipped with electric machine speed regulation button, the top two sides of the desktop
It is mounted on pillar, the top of two groups of pillars is connected by transverse slat, and the surface of the transverse slat is equipped with processor, the processor
Right side display screen is installed, the outer wall of the pillar is equipped with hanging buckle, the top mounting of the hanging buckle and hanging rod, the hanging rod
Bottom be plugged in the top of desktop.
Further, annular groove is offered at the top of the desktop, it is sliding that the inner cavity of the annular groove is plugged with first
The top of block, first sliding block is fixedly connected with the bottom of strut, and the top periphery of the desktop offers U-shaped groove, institute
The both ends inner cavity for stating U-shaped groove is mounted on fixing axle, and the outer wall of the bottom suit and fixing axle of the pillar is described U-shaped recessed
The inner cavity two sides of slot are flexibly connected with the bottom of hanging rod.
Further, the inner cavity right end of the tube body is equipped with fixed block, and the left side wall of the fixed block is equipped with pressure
The inner cavity left side of sensor, the tube body is equipped with sliding block, and the right side wall of the sliding block is connected with one end of spring, the spring
The other end is connected with briquetting.
Further, the data output end of the pressure sensor is connected with the data input pin of processor, the processing
The signal output end of device is connected with the signal input part of display screen.
Further, the model E7500 of the processor, the model 86-500A-L of the pressure sensor.
Compared with prior art, the utility model has the following beneficial effects:
1. the physics teaching centrifugal force demonstration device of the utility model drives bar rotation by speed regulating motor, to make
Tube body moves in a circle, manage intracorporal second sliding block can compressed spring to so that briquetting stress, so that pressure sensor is experienced
Processor is transferred data to power, processor shows data on a display screen, by electric machine speed regulation button, adjusts motor
Speed observes the variation of stress data on display screen, so that the more intuitive relationship for understanding centrifugal force and speed of student, simultaneously
The interest in classroom is improved, so that student's learning efficiency effectively improves.
2. the physics teaching centrifugal force demonstration device of the utility model offers U-shaped groove by desktop allusion, do not make
With when pillar and transverse slat can be placed in U-shaped groove, reduce volume, be convenient for carrying.
3. the physics teaching centrifugal force demonstration device of the utility model is placed in U type groove, display screen by transverse slat
It is protected, effectively avoids the damage of display screen caused by due to accidentally touching, effectively extend service life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model physics teaching centrifugal force demonstration device；
Fig. 2 is the table top structural schematic diagram of the utility model physics teaching centrifugal force demonstration device；
Fig. 3 is the pipe structure schematic diagram of the utility model physics teaching centrifugal force demonstration device.
In figure: 1, desktop；2, supporting leg；3, placement plate；4, speed regulating motor；5, bull stick；6, tube body；7, strut；8, pillar；9,
Transverse slat；10, processor；11, display screen；12, hanging rod；13, hanging buckle；14, electric machine speed regulation button；15, annular groove；16, first
Sliding block；17, U-shaped groove；18, fixing axle；19, fixed block；20, pressure sensor；21, sliding block；22, spring；23, briquetting.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1-3, a kind of physics teaching centrifugal force demonstration device, including desktop 1, speed regulating motor 4 and display screen 11,
The two sides of the bottom of the desktop 1 are mounted on supporting leg 2, are connected between two groups of supporting legs 2 by placement plate 3, the top of the placement plate 3
Portion is equipped with speed regulating motor 4, and the transmission shaft of the speed regulating motor 4 runs through desktop 1 and is connected with one end of bull stick 5, the bull stick
5 other end is connected with tube body 6, and the bottom of the tube body 6 is connected with the top of strut 7, and the surface of the desktop 1 is equipped with electricity
Machine adjusts the speed button 14, and the top two sides of the desktop 1 are mounted on pillar 8, and the top of two groups of pillars 8 is connected by transverse slat 9,
The surface of the transverse slat 9 is equipped with processor 10, and the right side of the processor 10 is equipped with display screen 11, the pillar 8 it is outer
Wall is equipped with hanging buckle 13, and the top mounting of the hanging buckle 13 and hanging rod 12, the bottom of the hanging rod 12 is plugged in the top of desktop 1
Portion.
Wherein, the top of the desktop 1 offers annular groove 15, and the inner cavity of the annular groove 15 is plugged with first
The top of sliding block 16, first sliding block 16 is fixedly connected with the bottom of strut 7, and the top periphery of the desktop 1 offers U
Type groove 17, the both ends inner cavity of the U-shaped groove 17 are mounted on fixing axle 18, the bottom suit and fixing axle of the pillar 8
18 outer wall, the inner cavity two sides of the U-shaped groove 17 are flexibly connected with the bottom of hanging rod 12.
Wherein, the inner cavity right end of the tube body 6 is equipped with fixed block 19, and the left side wall of the fixed block 19 is equipped with pressure
The inner cavity left side of force snesor 20, the tube body 6 is equipped with sliding block 21, and the right side wall of the sliding block 21 is connected with the one of spring 22
End, the other end of the spring 22 are connected with briquetting 23.
Wherein, the data output end of the pressure sensor 20 is connected with the data input pin of processor 10, the processing
The signal output end of device 10 is connected with the signal input part of display screen 11.
Wherein, the model E7500, the model 86-500A-L of the pressure sensor 20 of the processor 10.
Working principle: in use, then being connected first by hanging rod 12 and hanging buckle 13 by erecting pillar 8 and transverse slat 9
It connects, so that transverse slat 9 is firm, then starts motor 4, drive bull stick 5 to rotate, so that tube body 6 is along 15 circles of annular groove
Zhou Yundong, in the course of rotation, due to the effect of centrifugal force, the second sliding block 21 can be to 6 movement outside of tube body, to compress bullet
Spring 22, so that briquetting 23 receives certain power, so that power that can be certain to pressure sensor 20, pressure sensor 20 can will be felt
The force feedback being subject to is to processor 10, and processor 10 can show the data of specific power on display screen 11, then by pressing electricity
Machine speed regulation button 14 makes the speed of speed regulating motor 4 generate variation, the data variation on observation display screen 11, repeatedly speed regulation pair
The multiple variation of data is answered, so as to get information about the relationship of speed and centrifugal force, so that student's understanding effect is more preferably,
To improve learning efficiency.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of physics teaching centrifugal force demonstration device, including desktop (1), speed regulating motor (4) and display screen (11), feature exists
In: the two sides of the bottom of the desktop (1) are mounted on supporting leg (2), are connected between two groups of supporting legs (2) by placement plate (3), described
It is equipped at the top of placement plate (3) speed regulating motor (4), the transmission shaft of the speed regulating motor (4), which runs through desktop (1) and is connected with, to be turned
The other end of one end of bar (5), the bull stick (5) is connected with tube body (6), the bottom of the tube body (6) and the top of strut (7)
Connection, the surface of the desktop (1) are equipped with electric machine speed regulation button (14), and the top two sides of the desktop (1) are mounted on branch
The top of column (8), two groups of pillars (8) is connected by transverse slat (9), and the surface of the transverse slat (9) is equipped with processor (10), described
It is equipped on the right side of processor (10) display screen (11), the outer wall of the pillar (8) is equipped with hanging buckle (13), the hanging buckle (13)
It is mounted with the top of hanging rod (12), the bottom of the hanging rod (12) is plugged in the top of desktop (1).
2. physics teaching centrifugal force demonstration device according to claim 1, it is characterised in that: the top of the desktop (1)
It offers annular groove (15), the inner cavity of the annular groove (15) is plugged with the first sliding block (16), first sliding block (16)
Top be fixedly connected with the bottom of strut (7), the top periphery of the desktop (1) offers U-shaped groove (17), described U-shaped
The both ends inner cavity of groove (17) is mounted on fixing axle (18), the outer wall of the bottom suit and fixing axle (18) of the pillar (8),
The inner cavity two sides of the U-shaped groove (17) are flexibly connected with the bottom of hanging rod (12).
3. physics teaching centrifugal force demonstration device according to claim 1, it is characterised in that: the inner cavity of the tube body (6)
Right end is equipped with fixed block (19), and the left side wall of the fixed block (19) is equipped with pressure sensor (20), the tube body (6)
Sliding block (21) are housed on the left of inner cavity, the right side wall of the sliding block (21) is connected with one end of spring (22), the spring (22)
The other end is connected with briquetting (23).
4. physics teaching centrifugal force demonstration device according to claim 3, it is characterised in that: the pressure sensor (20)
Data output end connected with the data input pin of processor (10), the signal output end and display screen of the processor (10)
(11) signal input part connection.
5. physics teaching centrifugal force demonstration device according to claim 3, it is characterised in that: the type of the processor (10)
Number be E7500, the model 86-500A-L of the pressure sensor (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347009.3U CN209015513U (en) | 2018-03-14 | 2018-03-14 | A kind of physics teaching centrifugal force demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347009.3U CN209015513U (en) | 2018-03-14 | 2018-03-14 | A kind of physics teaching centrifugal force demonstration device |
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| Publication Number | Publication Date |
|---|---|
| CN209015513U true CN209015513U (en) | 2019-06-21 |
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| CN201820347009.3U Active CN209015513U (en) | 2018-03-14 | 2018-03-14 | A kind of physics teaching centrifugal force demonstration device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697329A (en) * | 2021-03-24 | 2021-04-23 | 山东科技职业学院 | Centrifugal force detection device for physical laboratory |
| CN113205737A (en) * | 2021-04-06 | 2021-08-03 | 重庆城市职业学院 | Rotation acceleration simulation test device and method based on digital modeling |
| CN113701947A (en) * | 2021-07-19 | 2021-11-26 | 湖北文理学院 | Motor eccentric fault detection device and detection method |
-
2018
- 2018-03-14 CN CN201820347009.3U patent/CN209015513U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697329A (en) * | 2021-03-24 | 2021-04-23 | 山东科技职业学院 | Centrifugal force detection device for physical laboratory |
| CN113205737A (en) * | 2021-04-06 | 2021-08-03 | 重庆城市职业学院 | Rotation acceleration simulation test device and method based on digital modeling |
| CN113205737B (en) * | 2021-04-06 | 2023-02-24 | 重庆城市职业学院 | Rotation acceleration simulation test device and method based on digital modeling |
| CN113701947A (en) * | 2021-07-19 | 2021-11-26 | 湖北文理学院 | Motor eccentric fault detection device and detection method |
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