CN2513081Y - Torque scale for measuring magnetic force - Google Patents
Torque scale for measuring magnetic force Download PDFInfo
- Publication number
- CN2513081Y CN2513081Y CN 01276372 CN01276372U CN2513081Y CN 2513081 Y CN2513081 Y CN 2513081Y CN 01276372 CN01276372 CN 01276372 CN 01276372 U CN01276372 U CN 01276372U CN 2513081 Y CN2513081 Y CN 2513081Y
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- magnetic force
- pointer
- substrate
- magnetic
- scale
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Abstract
The utility model relates to a teaching demonstrating device for measuring magnetic force, in particular to a torque scale for measuring magnetic force, comprising a placode arranged vertically, a substrate, a torque scale, a magnetic moment adjustment mechanism, a nonmagnetic counterbalance, and a dial. The placode is positioned above the substrate; the torque scale is fixed above the placode; the torque scale is provided with a turnplate, a rotating shaft, a cycloid, a pointer and a magnetic force dial. The rotating shaft is arranged above the placode vertically; the turnplate can freely rotate on the rotating shaft; the end of the pointer is fixed above the turnplate; the nonmagnetic counterbalance is fixed above the pointer; the cycloid is winded on the turnplate; one end of the cycloid is fixed above the turnplate, and the magnetic force dial is arranged above the corresponding placode. The magnetic moment adjustment mechanism is provided with a lifting seat for containing a magnet, the lifting seat is arranged above the substrate, and the placode on one side of the lifting seat is provided with a magnet distance dial. The magnetism produced by the electromagnet can be measured quantificationally, the phenomena of homonymy magnetic poles repel and synonym magnetic poles attract can be analyzed quantificationally. The utility model has the advantages of simple structure, strong intuitive and scientificalness, and good teaching quality.
Description
(1) technical field
The utility model relates to a kind of teaching demonstration device of measuring magnetic force, especially a kind of moment scale of measuring magnetic force.
(2) background technology
The teaching demonstration device of measuring magnetic force is the ingredient of physics teaching in secondary school.The CN88200477 patent disclosure a kind of Magnetic rotary disc, a kind of magnetic line of force demonstration board of CN2031958 patent disclosure, a kind of teaching magnetic balance of CN2232153 patent disclosure.
(3) summary of the invention
But the purpose of this utility model is to provide a kind of distance of quantitative measurement two magnet and the relation of magnetic force size, the magnetic size that the quantitative measurement electromagnet produces, and quantitative test magnetic pole of the same name repels each other, the moment scale of the measurement magnetic force of synonyms pole phase suction phenomenon.
The utility model is provided with substrate, pedestal, moment scale, magnetic moment adjusting gear, non magnetic counterbalance weight, the index dial of vertical placement.Substrate is positioned on the pedestal, the moment scale is fixed on the substrate, the moment scale is established rotating disk, rotating shaft, wheel line, pointer, magnetic force index dial, rotating shaft is vertical on the substrate, and rotating disk can rotate freely in rotating shaft, and the end of pointer is fixed on the rotating disk, non magnetic counterbalance weight is fixed on the pointer, the wheel wire-wound is on rotating disk, and an end of wheel line is fixed on the rotating disk, and the magnetic force index dial is located on the substrate of pointer correspondence.The magnetic moment adjusting gear is established the elevating bracket of placing magnet, and elevating bracket is located on the pedestal, establishes the magnet range scale on the substrate of elevating bracket one side.
When magnet is added on the on-fixed end of wheel line, force on the rotating disk by the wheel line, produce moment loading, rotating disk rotates, and can measure the size of magnetic force from the angle of needle deflection.Below provide its measuring method:
1) zeroing: when putting into magnet on the rotating disk, regulate non magnetic counterbalance weight, make pointer aim at the position of index dial zero.
2) synonyms pole demonstration: put into different name magnet on elevating bracket, regulate magnetic moment, pointer is swung left.Magnetic moment is more little, and beat of pointer amplitude is big more.
3) magnetic pole demonstration of the same name: on elevating bracket, put into magnet of the same name.Regulate magnetic moment, pointer is swung to the right.Magnetic moment is more little, and beat of pointer amplitude is big more.
4) quantitative measurement electromagnet magnetic size: can put the round iron sheet on the rotating disk, elevating bracket is put electromagnet well, and current of electromagnet is big more when feeding, and the solenoid number of turn is many more; When solenoid inserted iron core, the round iron sheet was inhaled, and moves downward.Magnetic is big more, and needle deflection is big more.
This shows, but utilize the relation of moment scale quantitative measurement two magnet distances and magnetic force size, but the magnetic size that the quantitative measurement electromagnet produces, the phenomenon that but quantitative test magnetic pole of the same name repels each other, synonyms pole is inhaled mutually, it is simple in structure, and intuitive is with scientific strong, and teaching efficiency is good.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model.
(5) embodiment
As shown in Figure 1, the utility model is made up of substrate 1, pedestal 2, rotating shaft 3, rotating disk 4, pointer 5, counterbalance weight 6, magnetic force index dial 7, commentaries on classics line 8, pallet 9, elevating bracket 10, magnet range scale 11, level meter 12 etc.Substrate 1 is vertical on the pedestal 2, and rotating shaft 3 is vertical on the substrate 1, and rotating disk 4 is located in the rotating shaft 3, and rotating disk 4 can 3 rotate freely around the shaft, changes line 8 on rotating disk 4, and an end is fixed on the rotating disk 4, and another termination is placed the pallet 9 of magnet.The end of pointer 5 is fixed on the outer rim A point of rotating disk 4, and counterbalance weight 6 is fixed in the front portion of pointer 5, and magnetic force index dial 7 is located on the substrate 1 corresponding with pointer 5.Elevating bracket 10 is located on the pedestal 2, and elevating bracket 10 is corresponding with pallet 9, establishes magnet range scale 11 on the substrate 1 of elevating bracket 10 and pallet 9 one sides.Level meter 12 can be located on the pedestal 2.
Claims (5)
1. measure the moment scale of magnetic force, it is characterized in that being provided with substrate, pedestal, moment scale, magnetic moment adjusting gear, non magnetic counterbalance weight, the index dial of vertical placement; Substrate is positioned on the pedestal, and the moment scale is fixed on the substrate; The moment scale is established rotating disk, rotating shaft, wheel line, pointer, magnetic force index dial, rotating shaft is vertical on the substrate, rotating disk can rotate freely in rotating shaft, the end of pointer is fixed on the rotating disk, non magnetic counterbalance weight is fixed on the pointer, the wheel wire-wound is on rotating disk, and an end of wheel line is fixed on the rotating disk, and the magnetic force index dial is located on the substrate of pointer correspondence; The magnetic moment adjusting gear is established the elevating bracket of placing magnet, and elevating bracket is located on the pedestal, establishes the magnet range scale on the substrate of elevating bracket one side.
2. the moment scale of measurement magnetic force as claimed in claim 1 is characterized in that an end of taking turns line is fixed on the rotating disk, and another termination is placed the pallet of magnet.
3. the moment scale of measurement magnetic force as claimed in claim 1 is characterized in that the end of pointer is fixed on the outer rim of rotating disk.
4. the moment scale of measurement magnetic force as claimed in claim 1 is characterized in that non magnetic counterbalance weight is fixed in the front portion of pointer.
5. the moment scale of measurement magnetic force as claimed in claim 1 is characterized in that establishing on the pedestal level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276372 CN2513081Y (en) | 2001-11-23 | 2001-11-23 | Torque scale for measuring magnetic force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276372 CN2513081Y (en) | 2001-11-23 | 2001-11-23 | Torque scale for measuring magnetic force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2513081Y true CN2513081Y (en) | 2002-09-25 |
Family
ID=33680501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01276372 Expired - Fee Related CN2513081Y (en) | 2001-11-23 | 2001-11-23 | Torque scale for measuring magnetic force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2513081Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023749A (en) * | 2016-07-11 | 2016-10-12 | 齐治平 | Magnetic experiment device |
| CN106448362A (en) * | 2016-10-18 | 2017-02-22 | 江南大学 | Three-line pendulum facilitating control of pendulum angle |
-
2001
- 2001-11-23 CN CN 01276372 patent/CN2513081Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023749A (en) * | 2016-07-11 | 2016-10-12 | 齐治平 | Magnetic experiment device |
| CN106448362A (en) * | 2016-10-18 | 2017-02-22 | 江南大学 | Three-line pendulum facilitating control of pendulum angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |