CN207833744U - A kind of dynamometer machine taught through lively activities - Google Patents
A kind of dynamometer machine taught through lively activities Download PDFInfo
- Publication number
- CN207833744U CN207833744U CN201721827889.6U CN201721827889U CN207833744U CN 207833744 U CN207833744 U CN 207833744U CN 201721827889 U CN201721827889 U CN 201721827889U CN 207833744 U CN207833744 U CN 207833744U
- Authority
- CN
- China
- Prior art keywords
- turntable
- arc bracket
- taught
- arc
- lively activities
- 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.)
- Expired - Fee Related
Links
Landscapes
- Toys (AREA)
Abstract
The utility model provides a kind of dynamometer machine taught through lively activities, including pedestal, arc bracket, fixing device, turntable, crank and controller.The arc bracket is arranged on the base, and the arc bracket has magnetic field；The fixing device, it is removable to be arranged on the arc bracket；The turntable is rotatably arranged in the fixing device, and the turntable is located inside the arc bracket, is arranged concentrically with the arc bracket, and the Plane of rotation of the turntable is consistent with the arc-plane of the arc bracket；The crank is rotatably arranged on the turntable, for shaking turntable；The controller is arranged in the pedestal, and the controller includes for monitoring the counter of the turntable turnning circle, the processor being electrically connected with the calculator and the display being electrically connected with the processor.The device can play student the purpose taught through lively activities.
Description
Technical field
The present invention relates to teaching equipment technology field more particularly to a kind of dynamometer machines taught through lively activities.
Background technology
Modern instruments used for education more lack, and student can not be better understood from the concept in textbook, for example do work, and student is only
Done work size can be obtained by formula, but the size and much power how many distances to acting have done that how much work(does not have
Concept.
In view of this, it would be highly desirable to a instrument is designed, to help student to understand the concept of acting, to power and the general of size of doing work
Thought has deeper understanding.
Invention content
In view of the foregoing drawbacks, present invention solves the technical problem that being, a kind of dynamometer machine taught through lively activities, Xue Shengwu are provided
Method is better understood from the problem of concept in textbook.
The present invention provides a kind of dynamometer machines taught through lively activities, including pedestal, arc bracket, fixing device, turntable, crank
And controller.The arc bracket is arranged on the base, and the arc bracket has magnetic field；The fixation
Device, it is removable to be arranged on the arc bracket；The turntable is rotatably arranged in the fixing device, described
Turntable is located inside the arc bracket, is arranged concentrically with the arc bracket, and the Plane of rotation of the turntable and institute
The arc-plane for stating arc bracket is consistent；The crank is rotatably arranged on the turntable, for shaking turntable；It is described
Controller, be arranged in the pedestal, the controller include for monitor the counter of the turntable turnning circle, with it is described
The processor that calculator is electrically connected and the display being electrically connected with the processor.
Preferably, the turntable is internally provided with multiple symmetrical mobiles fixing grooves and multiple permanent magnets and more
A spring is constituted；In addition to the arc bracket and the permanent magnet, other component is nonmagnetic, is not also attracted by magnetic force, described
Permanent magnet is located at each mobiles fixing groove both ends, and the spring, the monopole that the arc bracket has are placed in centre
Magnetic field is magnetic pole of the same name with its close permanent magnet.
Preferably, the permanent magnet can be moved with the spring in the mobiles fixing groove.
Preferably, it is provided with clamp in the mobiles fixing groove.
Preferably, the counter is laser counter.
Preferably, it is provided with battery case in the pedestal, for accommodating battery, electric energy is provided for the controller.
By said program it is found that the present invention provides a kind of dynamometer machine taught through lively activities, including it is pedestal, arc bracket, solid
Determine device, turntable, crank and controller.The arc bracket is arranged on the base, and the arc bracket has list
Pole field；The fixing device, it is removable to be arranged on the arc bracket；The turntable is rotatably arranged on described
In fixing device, the turntable is located inside the arc bracket, is arranged concentrically with the arc bracket, and the turntable
Plane of rotation it is consistent with the arc-plane of the arc bracket；The crank is rotatably arranged on the turntable, is used for
Shake turntable；The controller is arranged in the pedestal, and the controller includes for monitoring the turntable turnning circle
Counter, the processor being electrically connected with the calculator and the display being electrically connected with the processor.
Student allows turntable to rotate by firmly rotation crank, is turned to calculate turntable by the counter in controller
The dynamic number of turns, processor receive the signal of counter and derive that the occurrence of acting is shown in display with mathematical formulae
On, do work value for student viewing.The purpose taught through lively activities is played in this way, allows student that can do that how much work(has clearly to much power
Recognize, can also take part in game between classmate.
In the preferred embodiment of the present invention, the turntable is internally provided with multiple symmetrical mobiles fixing grooves, and
Multiple permanent magnets and multiple springs are constituted；In addition to the arc bracket and the permanent magnet, other component is nonmagnetic, also not by
Magnetic force attracts, and the permanent magnet is located at each mobiles fixing groove both ends, and the spring, the arc branch are placed in centre
The magnetic field that frame has is magnetic pole of the same name with its close permanent magnet.
Object generates unbalance movement potential energy, while being applied with another elastic force to kinematic system using spring.Utilize arc
Magnetic field that shape holder has, greatly to the elastic force of the attraction of permanent magnet and spring, allow the loss of power to become smaller, the number of turns turned
Become more, the most important makes the equipment more interesting by flexible and multiple permanent magnets the movement of spring.
Specifically, magnetic field and the permanent magnet in placement inside it turntable that arc bracket has are magnetic pole of the same name,
Play the role of mutually exclusive, intermediate spring squeezed by repelling, permanent magnet from spring bullet to the mobiles fixing groove other end,
Permanent magnet stress stretches out turntable so that one end of no repulsive force is longer than there is the arm of force of repulsive force one end.It does permanent magnet is unbalance
Freely falling body turns in the regular hour kinetic energy for retaining inertia, another elastic force that spring applies is equal to anti-make with active force
It firmly does forced vibration and supplements potential energy upwards, reach the unbalance potential energy position of original object, generate the unbalance movement of object, so recycle
Obtain inertia kinetic energy allows student to inquire into the law of conservation of energy in the device, and according to this equipment by collecting for various energy
Go out physics topic, plays the purpose taught through lively activities.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the dynamometer machine provided by the present invention taught through lively activities.
Fig. 2 is the left view of Fig. 1.
In Fig. 1-2：
Turntable 1, arc bracket 2, shaft 3, permanent magnet 4, spring 5, mobiles fixing groove 6, clamp 7, pedestal 8, crank
9, display 10, fixing device 11.
Specific implementation mode
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 describes, 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.
The noun of locality used herein is defined on the basis of Fig. 1, and "upper", "upper" phase are set as above Fig. 1
To direction be "lower"；It should be appreciated that the use of the above-mentioned noun of locality does not constitute limit for protection domain defined by this programme
System.
The present embodiment provides a kind of dynamometer machines taught through lively activities.Wherein, Fig. 1 is the measurement of power provided by the present invention taught through lively activities
A kind of structural schematic diagram of specific embodiment of machine, Fig. 2 are the left view of Fig. 1.
As shown in Figs. 1-2,
Including pedestal 8, arc bracket 2, fixing device 11, turntable 1, crank 9 and controller (not shown).The arc
Shape holder 2 is arranged on the pedestal 8, and the arc bracket 2 has magnetic field；Here, arc bracket 2 has single
Pole field can be electromagnetic pole, can also be permanent magnet.In addition, the arc bracket 2 itself can be magnet, it can also be by arc
Magnetic stripe is arranged on arc bracket 2.The fixing device 11 is removable to be arranged on the arc bracket 2；The turntable 1 is logical
It crosses shaft 3 to be rotatably arranged in the fixing device 11, the turntable 1 is located inside the arc bracket 2, and described
Arc bracket 2 is arranged concentrically, and the Plane of rotation of the turntable 1 is consistent with the arc-plane of the arc bracket 2；It is described to shake
It is rotatably arranged on the turntable 19, for shaking turntable 1；The controller is arranged in the pedestal 8, described
Controller includes for monitoring the counter (not shown) of 1 turnning circle of the turntable, being electrically connected with the calculator
Processor (not shown) and with the processor be electrically connected display 10.
Student allows turntable 1 to rotate, turntable 1 is calculated by the counter in controller by firmly rotation crank 9
The number of turns of rotation, processor receive the signal of counter and derive that the occurrence of acting is shown in display with mathematical formulae
On 10, work value is done for student viewing.Play the purpose taught through lively activities in this way, allow student to much power can do how much work(have it is clear
Understanding, can also take part in game between classmate.
It should be noted that the turntable 1 be internally provided with multiple symmetrical mobiles fixing grooves 6 and it is multiple forever
Magnet 4 and multiple springs 5 are constituted；In addition to the arc bracket 2 and the permanent magnet 4, other component is nonmagnetic, also not by magnetic
Gravitational attraction, the permanent magnet 4 are located at each 6 both ends of mobiles fixing groove, and the spring 5, the arc are placed in centre
The magnetic field that holder 2 has is magnetic pole of the same name with its close permanent magnet 4.
Object generates unbalance movement potential energy, while being applied with another elastic force to kinematic system using spring 5.Utilize arc
Magnetic field that shape holder 2 has, greatly to the elastic force of the attraction of permanent magnet and spring 5, allow the loss of power to become smaller, the circle turned
Number becomes more, and the most important makes the equipment more interesting by flexible and multiple permanent magnets 4 the movement of spring 5.
Specifically, magnetic field and the permanent magnet 4 in placement inside it turntable 1 that arc bracket 2 has are magnetic of the same name
Pole, plays the role of mutually exclusive, and intermediate spring 5 is squeezed by repelling, and 5 bullet of spring is to 6 other end of mobiles fixing groove
Permanent magnet 4,4 stress of permanent magnet stretch out turntable 1 so that one end of no repulsive force is longer than there is the arm of force of repulsive force one end.Forever
Magnet 4 is unbalance to do the kinetic energy that freely falling body turns to reservation inertia in the regular hour, another elastic force that spring 5 applies is to make
Firmly forced vibration being done equal to reaction force and supplementing potential energy upwards, reach the unbalance potential energy position of original object, it is unbalance to generate object
Movement, so cycle obtain inertia kinetic energy, by collecting for various energy, allow student to inquire into the conservation of energy in the device fixed
Rule, and physics topic is gone out according to this equipment, play the purpose taught through lively activities.
Here, the permanent magnet 4 can be moved with the spring 5 in the mobiles fixing groove 6, magnetic field
Mutually exclusive with 4 magnetic pole of the same name of permanent magnet in close mobiles fixing groove 6, which moves to negative direction, squeezes
The permanent magnet 4 of pressing spring 5, the other end is pushed by spring 5, forms a thrust, is supplemented potential energy for other end permanent magnet 4, is made it
It is stretched out from turntable 2.
It should be noted that being provided with clamp 7 in the mobiles fixing groove 6, do not allowed forever when stretching out in permanent magnet, 4
Magnet 4 is dropped out from mobiles fixing groove 6.
The counter is laser counter, and 1 turnning circle of turntable is calculated by calculating the number that permanent magnet flashes.Institute
It states and is provided with battery case (not shown) in pedestal 8, for accommodating battery, device provides electric energy in order to control.
Certainly, control switch (not shown) can also be set on the dynamometer machine, it should when control switch is opened
Dynamometer machine can be used for measurement of power, and crank 9 is shaken when control switch is closed, which can be the electricity in battery case
Energy is filled in pond.Specifically the dynamometer machine can be used for measurement of power when control switch is opened, and can not be that battery fills energy, be because keeping away
Exempt to influence the accuracy of measurement of power because the system is filled for battery and could shake only when closing measurement of power function
9 energy is filled for accumulator.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (6)
1. a kind of dynamometer machine taught through lively activities, which is characterized in that including：
Pedestal；
Arc bracket is arranged on the base, and the arc bracket has magnetic field；
Fixing device, it is removable to be arranged on the arc bracket；
Turntable is rotatably arranged in the fixing device, and the turntable is located inside the arc bracket, with the arc
Shape holder is arranged concentrically, and the Plane of rotation of the turntable is consistent with the arc-plane of the arc bracket；
Crank is rotatably arranged on the turntable, for shaking turntable；
Controller, be arranged in the pedestal, the controller include for monitor the counter of the turntable turnning circle, with
The processor that the calculator is electrically connected and the display being electrically connected with the processor.
2. the dynamometer machine according to claim 1 taught through lively activities, it is characterised in that：The turntable is internally provided with multiple right
The mobiles fixing groove of title and multiple permanent magnets and multiple springs are constituted；In addition to the arc bracket and the permanent magnet,
Other component is nonmagnetic, is not also attracted by magnetic force, and the permanent magnet is located at each mobiles fixing groove both ends, intermediate
The spring is placed, the magnetic field that the arc bracket has is magnetic pole of the same name with its close permanent magnet.
3. the dynamometer machine according to claim 2 taught through lively activities, it is characterised in that：The permanent magnet is with the spring in institute
Stating in mobiles fixing groove can move.
4. the dynamometer machine according to claim 3 taught through lively activities, it is characterised in that：Setting in the mobiles fixing groove
There is clamp.
5. the dynamometer machine according to claim 4 taught through lively activities, it is characterised in that：The counter is laser counter.
6. the dynamometer machine according to claim 5 taught through lively activities, it is characterised in that：It is provided with battery case in the pedestal,
For accommodating battery, electric energy is provided for the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827889.6U CN207833744U (en) | 2017-12-25 | 2017-12-25 | A kind of dynamometer machine taught through lively activities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827889.6U CN207833744U (en) | 2017-12-25 | 2017-12-25 | A kind of dynamometer machine taught through lively activities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207833744U true CN207833744U (en) | 2018-09-07 |
Family
ID=63389108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721827889.6U Expired - Fee Related CN207833744U (en) | 2017-12-25 | 2017-12-25 | A kind of dynamometer machine taught through lively activities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207833744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910735A (en) * | 2019-12-26 | 2020-03-24 | 浏阳市科技模型厂有限公司 | Competition type science popularization exhibition item for displaying magnetic force effect |
-
2017
- 2017-12-25 CN CN201721827889.6U patent/CN207833744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910735A (en) * | 2019-12-26 | 2020-03-24 | 浏阳市科技模型厂有限公司 | Competition type science popularization exhibition item for displaying magnetic force effect |
| CN110910735B (en) * | 2019-12-26 | 2024-05-07 | 浏阳市科技模型厂有限公司 | Competition type science popularization exhibition item for displaying magnetic force effect |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207833744U (en) | A kind of dynamometer machine taught through lively activities | |
| CN205177229U (en) | College mathematics teaching probability demonstration teaching aid | |
| US20100099328A1 (en) | Simulated eye for toy | |
| CN206907314U (en) | A kind of physics education magnetic induction apparatus for demonstrating | |
| CN208460265U (en) | A kind of physics teaching acceleration of gravity apparatus for demonstrating | |
| KR101496919B1 (en) | A Multipurpose Rotation Structure | |
| CN205003927U (en) | Teaching experiment device of demonstration electricity generation principle | |
| CN202434099U (en) | Single pendulum vibration demonstration device | |
| CN210865286U (en) | Primary school science electro-magnet demonstration teaching aid | |
| RU2663008C1 (en) | Training device | |
| CN201893048U (en) | Instrument for demonstrating trajectory of horizontal projectile | |
| RU2462761C1 (en) | Demonstration gyroscope | |
| CN203644288U (en) | Electric demonstrator for action of elbow bending and stretching | |
| CN108153435A (en) | A kind of magnetic idler wheel damping unit and its implementation | |
| CN207965836U (en) | A kind of magnetic idler wheel damping unit | |
| CN209286633U (en) | Shooting game board and its shooting game manipulation component | |
| CN203773821U (en) | Current magnetic effect and current heat effect demonstration instrument for teaching | |
| CN207337736U (en) | Magnetic force science popularization experimental provision | |
| CN203013099U (en) | intermolecular interaction force demonstration instrument | |
| CN206672515U (en) | A kind of simple interactive device for demonstrating motor principle | |
| CN204791715U (en) | Lenz's law demonstrating instrument | |
| CN103606322A (en) | Two-dimensional magnetic suspension dynamics experiment instrument | |
| CN200976234Y (en) | Charge interaction demonstrator | |
| CN108335567B (en) | Machine for English teaching training and fast memorizing | |
| CN210251013U (en) | Magnetic body-building device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20191225 |