CN208655109U - A kind of motor demonstrator - Google Patents
A kind of motor demonstrator Download PDFInfo
- Publication number
- CN208655109U CN208655109U CN201721772754.4U CN201721772754U CN208655109U CN 208655109 U CN208655109 U CN 208655109U CN 201721772754 U CN201721772754 U CN 201721772754U CN 208655109 U CN208655109 U CN 208655109U
- Authority
- CN
- China
- Prior art keywords
- aluminium flake
- shaft
- upright bar
- coil
- motor
- 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.)
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Abstract
The utility model proposes a kind of motor demonstrators, it include: bracket, coil, annular magnet, conducting wire and power supply, the bracket includes the first upright bar, second upright bar and shaft, the coil is fixed in the shaft, the first lead of the coil and the second lead are connected to power supply by conducting wire, in energization, the current lead-through of power supply makes coil generate magnetic field and mutually exclusive with the magnetic field of the annular magnet, and then shaft and coil are rotated by axis of shaft, it is visually observed that electromagnetic induction phenomenon, structure is simple, it is easy to use and operate, it is cheap, the effect of experiment is obvious, it is suitble to classroom instruction demonstration, student can be inspired to the creative thinking of Physical Experiment, student is improved to the interest of experiment.
Description
Technical field
The utility model belongs to experimental apparatus field, is related to a kind of motor demonstrator.
Background technique
Electromagnet phenomenon be nature there is the extremely widespread phenomenon of one kind, it is related to very extensive field, together
When electromagnetism be physics important component, electricity with there is the research that contacts in magnetic, has pushed the development of science and technology,
The mankind are made to step into the electric era.Electromagnetism all has extremely important work no matter on knowledge content or in social progress
With generally rate is higher for motor in the enterprise of modernization, and which raises the efficiency of production, for many industrial and mining enterprises, electricity
Motivation is easy to appear failure after operating use for a long time, and the machine maintenance worker of enterprise just will overhaul motor, newly enter
The employee of duty tends not to the place for quickly finding problem, shadow when not being clearly understood that the working principle of motor
The benefit of Xiang Liao enterprise.
Motor principle is a knowledge point that is common and being again more difficult grasp in electricity teaching to beginner,
In senior middle school physics teaching and the teaching of university's electromechanical speciality, needs student's study and grasp the principle of motor, and motor principle
Teaching efficiency it is often not ideal enough.
In physics teaching, the demonstration of experimental provision can promote formation of the student to knowledge point understanding and concept, occur at present
Motor demonstration teaching aid it is complex, observation of students motor principle showing phenomenon is difficult, cannot understand principle, make simultaneously
It is at high cost, it can not be promoted the use of in school, base, can make the child of rural school that can not intuitively observe the work of motor in this way
Make principle and experimental phenomena, therefore motor apparatus for demonstrating is essential on classroom, and traditional teaching mode is textbook
Text and picture in conjunction with electric motor operation principle is told about, can not vividly, intuitively disclose the working condition of motor, student
Study is more painstaking and not readily understood, for the working principle of the explanation motor of simple, intuitive, slaps student in a short time
Hold the working principle of motor, it is desirable to provide a kind of apparatus for demonstrating had both improved positive in the learning efficiency and classroom of student
Property, and the teaching efficiency of teacher can be enhanced.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of motor demonstrator, for solving in the prior art
Teaching efficiency poor problem when existing motor demonstrator structure is complicated, cost is higher, unfavorable popularization and picture and text are explained.
In order to achieve the above objectives, the utility model provides the following technical solutions: a kind of motor demonstrator, comprising: bracket,
Coil, annular magnet, conducting wire and power supply, the bracket include the first upright bar, the second upright bar and shaft, the both ends point of the shaft
It is not flexibly connected with first upright bar and second upright bar, the coil is fixed in the shaft, and the coil includes
First lead and the second lead, one end that the shaft is connect with the first upright bar include the first aluminium flake and the second aluminium flake, and described the
The junction of one upright bar and the shaft is equipped with the first aluminium flake item and the second aluminium flake item, the first lead and first aluminium flake
Connection, second lead are connect with second aluminium flake, and first aluminium flake and the first aluminium flake item connect, described
Second aluminium flake and the second aluminium flake item connect, the first aluminium flake item and the second aluminium flake item by the conducting wire with
The power circuit connection.
It optionally, further include chassis, the bottom is fixed in the annular magnet, first upright bar and second upright bar
On disk.
Optionally, the chassis is made of engineering plastics, organic glass or timber, and a length of 20cm-25cm, width are
12cm-15cm, a height of 1cm-3cm.
Optionally, the shaft is made of organic glass, a length of 16cm-18cm, diameter 5mm-6mm.
Optionally, there are two the annular magnet tools, and the position of described two annular magnets extends about the shaft
Direction is symmetrical arranged.
Optionally, the annular magnet is made of ndfeb magnet or iron ferrite lattice, described two annular magnetics
The polarity of iron is arranged in the same direction.
Optionally, the midpoint of the shaft extending direction is arranged in the coil.
Optionally, the power supply is DC power supply and output voltage is 1.5V.
Optionally, first aluminium flake and second aluminium flake are annular or arc, and first aluminium flake with it is described
The distance between second aluminium flake is greater than 0.
The utility model has the beneficial effects that: structure is simple, easy to use and operate, cheap, the effect of experiment is bright
It is aobvious, it is suitble to classroom instruction demonstration, improves the deficiency of student's experimental demonstration device on traditional teaching material, inspires student to Physical Experiment
Creative thinking, improve student to the interest of experiment, be conducive to student's profound understanding memory when learn In this Section.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 is the structural schematic diagram of motor demonstrator provided by the embodiment of the utility model；
Fig. 2 is the stress condition schematic diagram of the utility model embodiment coil.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and
Feature in embodiment can be combined with each other.
Please refer to Fig. 1-Fig. 2, the element numbers in attached drawing respectively indicate: chassis 1, the second upright bar 22, turns first upright bar 21
Axis 23, coil 3, first lead 41, annular magnet 5, power supply 6, conducting wire 7, the first aluminium flake 8, the first aluminium flake item 9.
The utility model relates to a kind of motor demonstrators, comprising: bracket, coil 3, annular magnet 5, conducting wire 7 and power supply
6, the bracket includes the first upright bar 21, the second upright bar 22 and shaft 23, and the both ends of the shaft 23 are vertical with described first respectively
Bar 21 and second upright bar 22 are flexibly connected, and the coil 3 is fixed in the shaft 23, and the coil 3 draws including first
Line 41 and the second lead (not marking in figure), one end that the shaft 23 is connect with the first upright bar 21 include the first aluminium flake 8 and the
Two aluminium flakes (do not mark) in figure, and first upright bar 21 and the junction of the shaft 23 are equipped with the first aluminium flake item 9 and the second aluminium
Slip (does not mark) in figure, and the first lead 41 is connect with first aluminium flake 8, second lead and second aluminium flake
Connection, first aluminium flake 8 are connected with the first aluminium flake item 9, and second aluminium flake is contacted with the second aluminium flake item
Connection, the first aluminium flake item 9 and the second aluminium flake item are by the conducting wire 7 and 6 circuit connection of power supply, further
, motor demonstrator further includes chassis 1, and the annular magnet 5, first upright bar 21 and second upright bar 22 are fixed on
On the chassis, the chassis 1 is made of engineering plastics, organic glass or timber, a length of 20cm-25cm, width 12cm-
15cm, a height of 1cm-3cm；First aluminium flake 8 and second aluminium flake are annular or arc, and first aluminium flake 8 with
The distance between described second aluminium flake is greater than 0.When using this motor demonstrator, power supply 6 passes through conducting wire 7 and the first aluminium flake item
9 connect with the second aluminium flake item, thus the first aluminium flake item 9 and the second aluminium flake item electrification and respectively with the first aluminium flake 8 and the second aluminium flake
Connection, and then there is electric current to pass through in coil 3 and generate magnetic field, the magnetic field that the magnetic field and annular magnet 5 that the coil 3 generates generate
It is mutually exclusive, therefore the coil 3 being arranged in shaft 23 can be axis rotation with shaft 23, and then mutually exclusive between magnetic field
The phenomenon that observing experiment effect by the rotation of coil 3 and shaft 23, intuitively having reacted " electric magnetisation ", please refers to figure
2, it is the stress condition schematic diagram of coil 3, wherein F1For the Ampere force that annular magnet 5 generates coil 3, F is 3 pairs of annulars of coil
The reaction force that magnet 5 generates.
Detailed, the shaft 23 is made of organic glass, a length of 16cm-18cm, diameter 5mm-6mm, because having
Machine glass has good insulating properties, has ensured that first lead 41 and the circuit of the first aluminium flake 8 and the first aluminium flake item 9 are led
It is logical.Further, there are two the tools of annular magnet 5, and the position of described two annular magnets 5 extends about the shaft 23
Direction is symmetrical arranged, and increases the magnetic field strength around coil 3, is conducive to increase experiment effect.It is described in specific experiment
Annular magnet 5 is made of ndfeb magnet or iron ferrite lattice, and the polarity of described two annular magnets 5 is arranged in the same direction, more
In detail, the midpoint of 23 extending direction of shaft is arranged in the coil 3；The power supply 6 is DC power supply 6 and output electricity
Pressure is 1.5V, can be used dry cell, from a wealth of sources, cost is relatively low.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of motor demonstrator characterized by comprising bracket, coil, annular magnet, conducting wire and power supply, the bracket
Including the first upright bar, the second upright bar and shaft, the both ends of the shaft are living with first upright bar and second upright bar respectively
Dynamic connection, the coil are fixed in the shaft, and the coil includes first lead and the second lead, the shaft and first
One end of upright bar connection includes the first aluminium flake and the second aluminium flake, and first upright bar and the junction of the shaft are equipped with the first aluminium
Slip and the second aluminium flake item, the first lead are connect with first aluminium flake, and second lead and second aluminium flake connect
It connecing, first aluminium flake and the first aluminium flake item connect, and second aluminium flake and the second aluminium flake item connect,
The first aluminium flake item and the second aluminium flake item are electrically connected by the conducting wire and the power supply.
2. motor demonstrator as described in claim 1, it is characterised in that: it further include chassis, it is the annular magnet, described
First upright bar and second upright bar are fixed on the chassis.
3. motor demonstrator as described in claim 2, it is characterised in that: the chassis is by engineering plastics, organic glass
Or timber is made, a length of 20cm-25cm, width 12cm-15cm, a height of 1cm-3cm.
4. motor demonstrator as described in claim 1, it is characterised in that: the shaft is made of organic glass, length
For 16cm-18cm, diameter 5mm-6mm.
5. motor demonstrator as described in claim 1, it is characterised in that: there are two the annular magnet tools, and described
The position of two annular magnets is symmetrical arranged about the shaft extending direction.
6. motor demonstrator as described in claim 5, it is characterised in that: the annular magnet by ndfeb magnet or
Person's iron ferrite lattice is made, and the polarity of described two annular magnets is arranged in the same direction.
7. motor demonstrator as described in claim 1, it is characterised in that: the coil is arranged in the shaft extension side
To midpoint.
8. motor demonstrator as described in claim 1, it is characterised in that: the power supply is DC power supply and output voltage
For 1.5V.
9. motor demonstrator as described in claim 1, it is characterised in that: first aluminium flake and second aluminium flake are
Annular or arc, and the distance between first aluminium flake and second aluminium flake are greater than 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721772754.4U CN208655109U (en) | 2017-12-18 | 2017-12-18 | A kind of motor demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721772754.4U CN208655109U (en) | 2017-12-18 | 2017-12-18 | A kind of motor demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208655109U true CN208655109U (en) | 2019-03-26 |
Family
ID=65770776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721772754.4U Expired - Fee Related CN208655109U (en) | 2017-12-18 | 2017-12-18 | A kind of motor demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208655109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319105A (en) * | 2020-11-16 | 2021-02-05 | 南京封宝宝电子商务有限公司 | Automatic dust removal environment-friendly device for school teaching blackboard |
-
2017
- 2017-12-18 CN CN201721772754.4U patent/CN208655109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319105A (en) * | 2020-11-16 | 2021-02-05 | 南京封宝宝电子商务有限公司 | Automatic dust removal environment-friendly device for school teaching blackboard |
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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: 20190326 Termination date: 20191218 |