CN200997203Y - Magnetic display device of electric solenoid - Google Patents
Magnetic display device of electric solenoid Download PDFInfo
- Publication number
- CN200997203Y CN200997203Y CN 200620151739 CN200620151739U CN200997203Y CN 200997203 Y CN200997203 Y CN 200997203Y CN 200620151739 CN200620151739 CN 200620151739 CN 200620151739 U CN200620151739 U CN 200620151739U CN 200997203 Y CN200997203 Y CN 200997203Y
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- China
- Prior art keywords
- coil
- magnetic display
- magnet
- metal shaft
- display device
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- 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
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Abstract
An electrifying solenoid magnetic display instrument is provided, which is characterized in that: the utility model comprises a bracket (1); two metal shafts (2) are fixed on the bracket (1), and each metal shaft (2) is connected with a connection piece (3); each connection piece (3) is connected with a coil (4); the coil (4) is arranged with a foamlayer (5) on the outer layer; the foamlayer (5) is arranged with a magnetized iron (6); each of the metal shafts (2) draws out a leading wire (9) to connect a battery unit (8); another magnet (7) with a scale (10) is positioned on one side of the battery unit (8).
Description
(1) technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of energization solenoid magnetic display instrument.
(2) background technology
Some are arranged in conjunction with experiment content in existing primary school nature, science or the junior physics class, and present experimental technique mostly is that the experiment apparatus is pieced together temporarily, its shortcoming one is to expend time in, the 2nd, and dispose inaccurate and cause the experiment out of true.For example: the on-off of energization solenoid magnetic and electric current has experiment or demonstrations such as the relation of irrelevant, energization solenoid polarity and electric current, can't demonstrate or test owing to be subjected to above-mentioned restriction.At present, it is also rare to solve the complete experiment or the apparatus for demonstrating of above-mentioned experiment problem.
(3) summary of the invention
In order to overcome the weak point of existing teaching aid, the utility model provides a kind of energization solenoid magnetic display instrument.
The technical solution of the utility model is achieved in that a kind of energization solenoid magnetic display instrument, and it has a support, is fixed with two metal shaft on the support, respectively connects a connecting piece on each metal shaft, and each brace respectively connects a coil; Described coil skin is provided with froth bed, and froth bed is provided with the magnetization iron plate; Described metal shaft is respectively drawn a wire connected battery group; Other has a magnet to place said apparatus one side, is carved with scale on the magnet.
Usefulness of the present utility model is: simple in structure, simple for production, and easy operating; Versatility is good, and is easy to utilize, can be student's lecture experiment intuitively, helps student's understanding and grasps learning content.
(4) description of drawings
Accompanying drawing is an organigram of the present utility model.
(5) embodiment
A kind of energization solenoid magnetic display instrument as accompanying drawing, it is characterized in that: it has a support (1), be fixed with two metal shaft (2) on the support (1), respectively connect a connecting piece (3) on each metal shaft (2), each brace (3) respectively connects a coil (4); Described coil (4) skin is provided with froth bed (5), and froth bed (5) is provided with magnetization iron plate (6); Described metal shaft (2) is respectively drawn a lead (9) and is connected electric battery (8); Other has a magnet (7) to place said apparatus one side, is carved with scale (10) on the magnet (7).
During use, can adjust the number of batteries of electric battery (8) and the distance and the magnetization iron plate (6) of magnet (7) and coil (4).
Experimental example 1, the on-off of energization solenoid magnetic and electric current has irrelevant.
During experiment, remove magnetization iron plate (6), making the magnet (7) and the distance of coil (4) is 4cm, with batteries power supply, shows attraction or rejection during energising, just shows during outage to attract or rejection.
Experimental example 2, the relation of energization solenoid polarity and sense of current.
During experiment, remove magnetization iron plate (6), making the magnet (7) and the distance of coil (4) is 4cm, and with batteries power supply, energising changes the both positive and negative polarity that battery connects, and demonstration attracts or rejection.
Experimental example 3, the relation of energization solenoid magnetic power and size of current.
During experiment, making the distance of magnet (7) and coil (4) is 5cm, with batteries power supply, visible attractive force a little less than, magnet (7) with magnetize between the iron plate (6) and can not contact; Use the power supply of two batteries instead, visible attractive force is stronger, and magnet (7) contacts with magnetization iron plate (6).
Claims (1)
1, a kind of energization solenoid magnetic display instrument, it is characterized in that: it has a support (1), is fixed with two metal shaft (2) on the support (1), respectively connects a connecting piece (3) on each metal shaft (2), and each brace (3) respectively connects a coil (4); Described coil (4) skin is provided with froth bed (5), and froth bed (5) is provided with magnetization iron plate (6); Described metal shaft (2) is respectively drawn a lead (9) and is connected electric battery (8); Other has a magnet (7) to place said apparatus one side, is carved with scale (10) on the magnet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151739 CN200997203Y (en) | 2006-12-14 | 2006-12-14 | Magnetic display device of electric solenoid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151739 CN200997203Y (en) | 2006-12-14 | 2006-12-14 | Magnetic display device of electric solenoid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200997203Y true CN200997203Y (en) | 2007-12-26 |
Family
ID=38995639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620151739 Expired - Fee Related CN200997203Y (en) | 2006-12-14 | 2006-12-14 | Magnetic display device of electric solenoid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200997203Y (en) |
-
2006
- 2006-12-14 CN CN 200620151739 patent/CN200997203Y/en not_active Expired - Fee Related
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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 |