CN207704714U - Middle school's electromagnetic induction teaching demonstration device - Google Patents
Middle school's electromagnetic induction teaching demonstration device Download PDFInfo
- Publication number
- CN207704714U CN207704714U CN201721087316.4U CN201721087316U CN207704714U CN 207704714 U CN207704714 U CN 207704714U CN 201721087316 U CN201721087316 U CN 201721087316U CN 207704714 U CN207704714 U CN 207704714U
- Authority
- CN
- China
- Prior art keywords
- base station
- leading screw
- servo motor
- cross tube
- feed rod
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of middle school's electromagnetic induction teaching demonstration device, including base station, base station is equipped with elevating mechanism, and the periphery of elevating mechanism is equipped with sleeve, and coil is wound on sleeve, and the both ends of coil are electrically connected ammeter；Elevating mechanism includes the cross tube set on top, is connected with the first feed rod between the side and base station of cross tube, the second feed rod between the other side and base station of cross tube, and sliding block is respectively equipped on the first feed rod and on the second feed rod；A servo motor is fixed in the middle part of cross tube, servo motor is electrically connected with driver, a bearing is fixed in the middle part of base station, a leading screw is connected between the output shaft and bearing of servo motor, leading screw is vertically arranged, one end of leading screw is fixedly connected with the output shaft of servo motor, and the other end of leading screw is rotatablely connected with the bearing, and leading screw is equipped with screw；First sliding block, the second sliding block and screw are connected by a link block；It is fixed on link block to be vertically equipped with bar magnet.The device good demonstration effect.
Description
Technical field
The utility model is related to technical field of teaching instruments, are filled more particularly, to a kind of middle school's electromagnetic induction teaching demonstration
It sets.
Background technology
In Middle School Physics teaching material, usually with lecture experiment come explanation and illustration electromagnetic induction phenomenon, instrument is electricity
Flow table, coil, conducting wire and bar magnet with hand are held bar magnet when experiment and are inserted into coil and move, meeting when coil relative magnetic field being made to move
Electric current is generated, electromagnetic induction phenomenon occurs, so that student is deepened teaching impression by experiment.But existing this easy religion
Apparatus for demonstrating is learned, needs people that bar magnet is manually operated, and bar magnet movement speed is slow, mobile route is not easy to control, and demonstrating effect is bad.
Utility model content
Technical problem to be solved in the utility model is：The middle school's electromagnetic induction teaching for providing a kind of good demonstration effect is drilled
Showing device can be automatically brought into operation bar magnet, accurately control the movement speed of bar magnet, convenient for student viewing because of velocity variations, make electric current
The variation of generation, and directly measured by ammeter, it is intuitive to show, and limit the mobile route of bar magnet.
In order to solve the above technical problems, the technical solution of the utility model is：Middle school's electromagnetic induction teaching demonstration device, packet
Base station is included, the base station is equipped with elevating mechanism, and the periphery of the elevating mechanism is equipped with sleeve, coil, line are wound on sleeve
The both ends of circle are electrically connected ammeter；
The elevating mechanism includes the cross tube set on top, solid between the side end and the base station of the cross tube
Surely it is connected with the first feed rod being vertically arranged, first feed rod is equipped with the first sliding block, the end side of the cross tube
The second feed rod being vertically arranged is fixedly connected between the base station, second feed rod is equipped with the second sliding block；
A servo motor is fixed in the middle part of the cross tube, the servo motor is electrically connected with driver, described
It is fixed with a bearing in the middle part of base station, a leading screw is connected between the output shaft of the servo motor and the bearing,
The leading screw is vertically arranged, and one end of the leading screw is fixedly connected with the output shaft of servo motor, the other end of the leading screw with
The bearing rotation connection, the leading screw are equipped with screw；
First sliding block, second sliding block and the screw are connected by a link block；
It is fixed on the link block to be vertically equipped with bar magnet.
Preferably, further include controller and touch screen, the driver is electrically connected the controller, the controller and institute
State touch panel communication connection.
After using above-mentioned technical proposal, the utility model has the beneficial effects that：
Middle school's electromagnetic induction teaching demonstration device of the utility model when in use, operates, can pass through on the touchscreen
Controller controls driver control servo motor with certain rotating speed forward or reverse, will drive leading screw forward or reverse, silk
Screw on thick stick will rise or fall, and to drive link block to be risen or fallen with certain speed in sleeve, make coil
Relative to bar magnet with certain speed relative motion, coil is made to generate electric current.The apparatus for demonstrating of such structure can facilitate Goblin
The really movement speed of control bar magnet, convenient for student viewing because of velocity variations, the variation for making electric current generate, and it is direct by ammeter
It measures, intuitive to show, good demonstration effect.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of middle school's electromagnetic induction teaching demonstration device of the utility model；
Fig. 2 is that Fig. 1 removes the structural schematic diagram after sleeve；
Fig. 3 is the control principle block diagram of middle school's electromagnetic induction teaching demonstration device of the utility model；
In figure：1, base station；2, cross tube；3, the first feed rod；31, the first sliding block；4, leading screw；41, screw；5, the second light
Thick stick；51, the second sliding block；6, servo motor；7, driver；8, link block；9, bearing；10, touch screen；11, controller；12, it covers
Cylinder；13, coil；14, ammeter；15, bar magnet.
Specific implementation mode
Embodiment
Referring to Fig.1, Fig. 2 and Fig. 3, middle school's electromagnetic induction teaching demonstration device of the utility model, including base station 1, base
Platform 1 is equipped with elevating mechanism, and the periphery of elevating mechanism is equipped with sleeve 12, and coil 13, the both ends electricity of coil are wound on sleeve 12
Connect ammeter 14.
Elevating mechanism includes the cross tube 2 set on top, is fixedly connected between the side end and base station 1 of cross tube 2
The first feed rod 3 being vertically arranged, the first feed rod 3 is equipped with the first sliding block 31, between the end side and base station 1 of cross tube 2
It is fixedly connected with the second feed rod 5 being vertically arranged, the second feed rod 5 is equipped with the second sliding block 51.
The middle part of cross tube 2 is fixed with a servo motor 6, and servo motor 6 is electrically connected with driver 7, in base station 1
Portion is fixed with a bearing 9, is connected with a leading screw 4 between the output shaft and bearing 9 of servo motor 6, leading screw 4 is vertically set
It sets, one end of leading screw 4 is fixedly connected with the output shaft of servo motor 6, and the other end and the bearing 9 of leading screw 4 are rotatablely connected, leading screw 4
It is equipped with screw 41.
First sliding block 31, the second sliding block 51 and screw 41 are connected by a link block 8；Fixation is vertically set on link block 8
There is bar magnet 15.
Middle school's electromagnetic induction teaching demonstration device of the present embodiment further includes controller 11 and touch screen 10,7 electricity of driver
Controller 11 is connected, controller 11 is communicated to connect with touch screen 10.Servo motor 6 can be conveniently set up on touch screen 10
Rotary speed parameter.
The above is the citing of the utility model preferred forms, wherein the part that do not address in detail is this field
The common knowledge of those of ordinary skill.The scope of protection of the utility model is based on the contents of the claims, any to be based on this reality
The equivalent transformation carried out with novel technical inspiration is also within the protection scope of the utility model.
Claims (2)
1. middle school's electromagnetic induction teaching demonstration device, including base station, it is characterised in that：The base station is equipped with elevating mechanism, institute
The periphery for stating elevating mechanism is equipped with sleeve, and coil is wound on sleeve, and the both ends of coil are electrically connected ammeter；
The elevating mechanism includes the cross tube set on top, fixed between the side end and the base station of the cross tube to connect
It is connected to the first feed rod being vertically arranged, first feed rod is equipped with the first sliding block, the end side of the cross tube and institute
It states and is fixedly connected with the second feed rod being vertically arranged between base station, second feed rod is equipped with the second sliding block；
A servo motor is fixed in the middle part of the cross tube, the servo motor is electrically connected with driver, the base station
Middle part be fixed with a bearing, a leading screw is connected between the output shaft of the servo motor and the bearing, it is described
Leading screw is vertically arranged, and one end of the leading screw is fixedly connected with the output shaft of servo motor, the other end of the leading screw with it is described
Bearing is rotatablely connected, and the leading screw is equipped with screw；
First sliding block, second sliding block and the screw are connected by a link block；
It is fixed on the link block to be vertically equipped with bar magnet.
2. electromagnetic induction teaching demonstration device in middle school's as described in claim 1, it is characterised in that：Further include controller and touch
Screen, the driver are electrically connected the controller, and the controller is connect with the touch panel communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087316.4U CN207704714U (en) | 2017-08-28 | 2017-08-28 | Middle school's electromagnetic induction teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087316.4U CN207704714U (en) | 2017-08-28 | 2017-08-28 | Middle school's electromagnetic induction teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207704714U true CN207704714U (en) | 2018-08-07 |
Family
ID=63020890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721087316.4U Expired - Fee Related CN207704714U (en) | 2017-08-28 | 2017-08-28 | Middle school's electromagnetic induction teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207704714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114596763A (en) * | 2022-03-16 | 2022-06-07 | 滁州职业技术学院 | Physical teaching experimental device based on electromagnetic induction |
-
2017
- 2017-08-28 CN CN201721087316.4U patent/CN207704714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114596763A (en) * | 2022-03-16 | 2022-06-07 | 滁州职业技术学院 | Physical teaching experimental device based on electromagnetic induction |
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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: 20180807 Termination date: 20210828 |