CN205302782U - Electro -magnet appeal and magnetic pole lecture experiment device - Google Patents
Electro -magnet appeal and magnetic pole lecture experiment device Download PDFInfo
- Publication number
- CN205302782U CN205302782U CN201521079441.1U CN201521079441U CN205302782U CN 205302782 U CN205302782 U CN 205302782U CN 201521079441 U CN201521079441 U CN 201521079441U CN 205302782 U CN205302782 U CN 205302782U
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- magnet
- electro
- magnetic pole
- permutator
- controller
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Abstract
The utility model discloses an electro -magnet appeal and magnetic pole lecture experiment device, including base, electro -magnet, pole setting, horizontal pole, iron plate, magnet and controller, the middle part is equipped with the bearing on the base, and the lower extreme of pole setting is installed and can be rotated in the mesopore inscribe of bearing, and one side of base upper portion bearing is equipped with the electro -magnet, and a magnet pole face of electro -magnet makes progress, the opposite side of base upper portion bearing is equipped with the controller, the electro -magnet is connected with the output electricity of controller, is connected with power plug on the controller, the upper end of pole setting is connected through the middle part normal running fit of pivot with the horizontal pole, the one end of horizontal pole is equipped with the iron plate, and the other end of horizontal pole is equipped with magnet. The utility model relates to a rationally, simple structure, easy preparation, when differentiateing the study of electro -magnet magnetic pole, need not markd magnet, easy to operate, the degree of accuracy is high and can demonstrate the experiment that the electro -magnet has electromagnetic attraction power, has improved the learning efficiency greatly.
Description
Technical field
This utility model relates to physics experiments of high school device technique field, is specifically related to a kind of attractive force of electro-magnet and magnetic pole demonstrating experiment device.
Background technology
In the teaching and study of middle school physical curriculum, the learning content relating to electric magnet is more; In learning process, the polarity of electric magnet being had strict requirement, therefore attractive force of electro-magnet and magnetic pole lecture experiment are one of main contents of study. Distinguishing electromagnet pole in prior art, mostly be and take one piece of markd magnet, by it near electromagnet pole, utilizing the mutual repulsion of magnetic pole of the same name, the principle that synonyms pole is attracted each other judges. This method there is problems of, it is necessary to has one piece of markd magnet, complex operation; And prior art does not have can the teaching aid special of demonstrating electrical magnetic pull, make troubles to Students ' Learning, the learning efficiency is relatively low.
Summary of the invention
The purpose of this utility model is aiming at the defect that prior art exists, it is provided that a kind of attractive force of electro-magnet and magnetic pole demonstrating experiment device.
Its technical scheme is: attractive force of electro-magnet and magnetic pole demonstrating experiment device, including base, electric magnet, vertical rod, cross bar, iron block, Magnet and controller, on described base, middle part is provided with bearing, the lower end of vertical rod is arranged on the mesopore inscribe of bearing and can rotate, the side of base upper bearing is provided with electric magnet, and upwards, the opposite side of described base upper bearing is provided with controller to a magnetic pole strength of electric magnet, described electric magnet electrically connects with the outfan of controller, and controller is connected to attaching plug; The upper end of described vertical rod is rotatably assorted with the middle part of cross bar by rotating shaft and is connected, and one end of described cross bar is provided with iron block, and the other end of cross bar is provided with Magnet.
Wherein, the top of described vertical rod is provided with parallels the adjustment plate of setting with cross bar, and adjustment plate two ends threaded engagement respectively connects vertically arranged adjustment bolt, is connected respectively through two springs between two upper end and cross bars adjusting bolts. Described iron block is cylindrical structure. Described Magnet is cylinder-shaped magnet, and the end of this cylinder is magnetic pole, and wherein N is extremely arranged downwards.Described controller includes regulated power supply, switch, permutator and button, one end of described attaching plug is connected with an input of regulated power supply by switching, the other end of attaching plug is connected with another input of regulated power supply, the cathode output end of regulated power supply is connected by the normally opened end of the button normal-closed end with permutator the first contact and permutator the second contact, the cathode output end of regulated power supply is connected with the normally opened end of permutator the first contact and the normal-closed end of permutator the second contact, the moved end of permutator the first contact is connected with one end of electric magnet, the moved end of permutator the second contact is connected with the other end of electric magnet.
This utility model is compared with prior art, have the advantage that reasonable in design, simple in construction, easily make, when distinguishing that electromagnet pole learns, without markd magnet, easily operation, accuracy height and energy demonstrating electrical Magnet have the experiment of electromagnetic attraction, substantially increase the learning efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model;
Fig. 2 is the circuit diagram of a kind of embodiment of this utility model.
Detailed description of the invention
With reference to Fig. 1 Fig. 2, a kind of attractive force of electro-magnet and magnetic pole demonstrating experiment device, including base 1, electric magnet 2, vertical rod 3, cross bar 4, iron block 5, Magnet 6 and controller 7, on described base 1, middle part is provided with bearing 8, the lower end of vertical rod 3 is arranged on the mesopore inscribe of bearing 8 and can rotate, the side of base 1 upper bearing 8 is provided with electric magnet 2, one magnetic pole strength of electric magnet 2 is upwards, the opposite side of described base 1 upper bearing 8 is provided with controller 7, described electric magnet 2 electrically connects with the outfan of controller 7, and controller 7 is connected to attaching plug 9, the upper end of described vertical rod 3 is rotatably assorted by the middle part of rotating shaft 10 with cross bar 4 and is connected, and one end of described cross bar 4 is provided with iron block 5, and the other end of cross bar 4 is provided with Magnet 6. the top of described vertical rod 3 is provided with parallels the adjustment plate 11 of setting with cross bar 4, and adjustment plate 11 two ends threaded engagement respectively connects vertically arranged adjustment bolt 12, is connected respectively through two springs 13 between two upper end and cross bars 4 adjusting bolts 12. described iron block 5 is cylindrical structure. described Magnet 6 is cylinder-shaped magnet, and the end of this cylinder is magnetic pole, and wherein N is extremely arranged downwards. described controller 7 includes regulated power supply 71, switch 72, permutator 73 and button 74, one end of described attaching plug 9 is connected with an input of regulated power supply 71 by switching 72, the other end of attaching plug 9 is connected with another input of regulated power supply 71, the cathode output end of regulated power supply 71 is connected by the normally opened end of the button 74 normal-closed end with permutator 73 first contact and permutator 73 second contact, the cathode output end of regulated power supply 71 is connected with the normally opened end of permutator 73 first contact and the normal-closed end of permutator 73 second contact, the moved end of permutator 73 first contact is connected with one end of electric magnet 2, the moved end of permutator 73 second contact is connected with the other end of electric magnet 2.
When making this utility model, the input voltage of described regulated power supply 71 is alternating current 220V, and its output voltage is direct current 24V; The rated voltage of described electric magnet 2 is direct current 24V; Described permutator 73 is DPDT formula toggle switch.
During experiment attractive force of electro-magnet, attaching plug 9 is inserted power supply, open switch 72.Rotating horizontal pole 4 makes the upper magnetic pole strength of the lower end aligned electric magnet 2 of iron block 5, by adjusting the adjustment bolt 12 at adjustment plate 11 two ends, makes cross bar 4 be parallel to the upper plane of base 1. Now pressing the button 74, electric magnet 2 obtains electric work, and on it, magnetic occurs in magnetic pole strength, can be inhaled by iron block 5 lower and be bonded on the upper magnetic pole strength of electric magnet 2, and attractive force of electro-magnet is tested; Release button 74 electric magnet 2 dead electricity loss of excitation, iron block 5 end is upturned reset under the weight effect of cross bar 4 other end Magnet 6.
During electromagnet pole lecture experiment, rotating horizontal pole 4 makes the upper magnetic pole strength of the lower end aligned electric magnet 2 of Magnet 6, by adjusting the adjustment bolt 12 at adjustment plate 11 two ends, makes cross bar 4 be parallel to the upper plane of base 1. Now pressing the button 74, electric magnet 2 obtains electric work; As now Magnet 6 is pull-in on the upper magnetic pole strength of electric magnet 2, cross bar 4 is broken balance, and iron block 5 end of cross bar 4 is upturned, owing between Magnet, there is a natural attraction between the sexes, therefore the upper magnetic pole strength at this moment indicating electric magnet 2 is S pole, release button 74 electric magnet 2 dead electricity loss of excitation, and cross bar 4 restores balance; Being ostracised such as Magnet 6 and move upward, break the balance of cross bar 4, iron block 5 end of cross bar 4 is bowed downwards, and owing between Magnet, the same sex is repelled, the upper magnetic pole strength therefore at this moment indicating electric magnet 2 is N pole, and release button 74 electric magnet 2 dead electricity loss of excitation, cross bar 4 restores balance. Pull permutator 73 so that it is two contact upsets, the polarity of magnetic pole strength on electric magnet 2 can be changed.
This utility model is reasonable in design, simple in construction, easily make, when distinguishing that electromagnet pole learns, it is not necessary to markd magnet, it is easy to operation, and accuracy is high and can have the experiment of electromagnetic attraction by demonstrating electrical Magnet, substantially increases the learning efficiency.
Claims (5)
1. attractive force of electro-magnet and magnetic pole demonstrating experiment device, including base, electric magnet, vertical rod, cross bar, iron block, Magnet and controller, it is characterized in that: on described base, middle part is provided with bearing, the lower end of vertical rod is arranged on the mesopore inscribe of bearing and can rotate, the side of base upper bearing is provided with electric magnet, and upwards, the opposite side of described base upper bearing is provided with controller to a magnetic pole strength of electric magnet, described electric magnet electrically connects with the outfan of controller, and controller is connected to attaching plug; The upper end of described vertical rod is rotatably assorted with the middle part of cross bar by rotating shaft and is connected, and one end of described cross bar is provided with iron block, and the other end of cross bar is provided with Magnet.
2. attractive force of electro-magnet according to claim 1 and magnetic pole demonstrating experiment device, it is characterized in that: the top of described vertical rod is provided with parallels the adjustment plate of setting with cross bar, adjustment plate two ends threaded engagement respectively connects vertically arranged adjustment bolt, is connected respectively through two springs between two upper end and cross bars adjusting bolt.
3. attractive force of electro-magnet according to claim 1 and magnetic pole demonstrating experiment device, it is characterised in that: described iron block is cylindrical structure.
4. attractive force of electro-magnet according to claim 1 and magnetic pole demonstrating experiment device, it is characterised in that: described Magnet is cylinder-shaped magnet, and the end of this cylinder is magnetic pole, and wherein N is extremely arranged downwards.
5. attractive force of electro-magnet according to claim 1 and magnetic pole demonstrating experiment device, it is characterized in that: described controller includes regulated power supply, switch, permutator and button, one end of described attaching plug is connected with an input of regulated power supply by switching, the other end of attaching plug is connected with another input of regulated power supply, the cathode output end of regulated power supply is connected by the normally opened end of the button normal-closed end with permutator the first contact and permutator the second contact, the cathode output end of regulated power supply is connected with the normally opened end of permutator the first contact and the normal-closed end of permutator the second contact, the moved end of permutator the first contact is connected with one end of electric magnet, the moved end of permutator the second contact is connected with the other end of electric magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079441.1U CN205302782U (en) | 2015-12-23 | 2015-12-23 | Electro -magnet appeal and magnetic pole lecture experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079441.1U CN205302782U (en) | 2015-12-23 | 2015-12-23 | Electro -magnet appeal and magnetic pole lecture experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205302782U true CN205302782U (en) | 2016-06-08 |
Family
ID=56472057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521079441.1U Expired - Fee Related CN205302782U (en) | 2015-12-23 | 2015-12-23 | Electro -magnet appeal and magnetic pole lecture experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205302782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053212A (en) * | 2021-01-06 | 2021-06-29 | 魏震 | Show shelf that teaching was used |
-
2015
- 2015-12-23 CN CN201521079441.1U patent/CN205302782U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053212A (en) * | 2021-01-06 | 2021-06-29 | 魏震 | Show shelf that teaching was used |
| CN113053212B (en) * | 2021-01-06 | 2023-01-06 | 廊坊燕京职业技术学院 | Show shelf that teaching was used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160608 Termination date: 20181223 |