CN202102627U - Electrical demonstration box - Google Patents
Electrical demonstration box Download PDFInfo
- Publication number
- CN202102627U CN202102627U CN2011202452166U CN201120245216U CN202102627U CN 202102627 U CN202102627 U CN 202102627U CN 2011202452166 U CN2011202452166 U CN 2011202452166U CN 201120245216 U CN201120245216 U CN 201120245216U CN 202102627 U CN202102627 U CN 202102627U
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- CN
- China
- Prior art keywords
- inserted block
- casing
- demonstration
- metallic
- jacks
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an electrical demonstration box which comprises a box body (1), a box cover (7) matched with the box body (1), and a handle (2) arranged at the upper part of the box body (1), wherein a plug board (3) is arranged on one side surface of the box body (1); a plurality of jacks (8) are arranged longitudinally and horizontally on the plug board (3) at equal distance; the electrical demonstration box is also provided with a plurality of inserting blocks (4) with electrical equipment elements; two metal plugs (5) are arranged at the bottom of each inserting block (4); the metal plugs (5) can be plugged into any two jacks (8); and indicating lamps (6) for indicating the current direction are arranged on the upper surface of the inserting blocks (4). By adopting the above structure, the different inserting blocks (4) can be replaced according to different demonstration contents, therefore, the demonstration is convenient and visual, the connection is simple, the demonstration effect is good, and the electrical demonstration box is accepted conveniently by the students.
Description
Technical field
The utility model relates to a kind of teaching aid, relates in particular to a kind of electricity demonstration box.
Background technology
In the electricity teaching process, generally use electric elements to couple together through lead at present, this form of teaching is compared difference to some extent with the circuit diagram on the textbook, and preliminary work is numerous and diverse, is not easy to students'understanding and acceptance.
Summary of the invention
It is simple that the purpose of the utility model provides a kind of making, and good demonstration effect is convenient to the electricity demonstration box that the student accepts.
The technical scheme of the utility model is a kind of electricity demonstration box; It comprises casing 1, with the case lid 7 that said casing 1 matches, is arranged on the handle 2 on said casing 1 top; It is characterized in that: a side of said casing 1 is provided with plugboard 3; Described plugboard 3 is at some jacks 8 that are provided with of vertical, horizontal equity distance, and it also has the inserted block 4 of some charged device elements, and the bottom of said inserted block 4 is provided with two metallic plugs 5; Said metallic plug 5 can insert in any two described jacks 8, but the upper surface of said inserted block 4 is provided with the pilot lamp 6 of indicator current direction.
The technical scheme of the utility model can also be four metallic conduction sheets 9 that in described jack 8, are equipped with mutual disconnection, and every metallic conduction sheet 9 is electrically connected through built-in lead 10 with adjacent metal conducting strip 9 each other.
The technical scheme of the utility model can also be that the electric elements that said inserted block 4 is provided with are power supply or switch or fixed value resistance or variable resistor or bulb or multimeter, and said electric elements all with said inserted block 4 on two metallic plugs 5 be electrically connected.
The beneficial effect of the utility model is on a side of said casing 1, to be provided with plugboard 3, and described plugboard 3 is at some jacks 8 that are provided with of vertical, horizontal equity distance, and inserted block 4 metallic plugs 5 through some charged device elements can insert in any two described jacks 8; Accomplish needed connection; Different demo contents can be changed different inserted block 4 accordingly, has realized that like this demonstration is convenient and intuitive, connects also simple; Good demonstration effect is convenient to the purpose that the student accepts.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 2 is the structural representation of the utility model inserted block
Fig. 3 is the structural representation of the utility model jack
Among Fig. 1,2,31, casing, 2, handle, 3, plugboard, 4, inserted block, 5, plug, 6, pilot lamp, 7, case lid, 8, jack, 9, the metallic conduction sheet, 10, lead.
Embodiment
According to Fig. 1,2, shown in 3; The utility model relates to a kind of electricity demonstration box, and it comprises casing 1, the case lid 7 that matches with said casing 1; Be arranged on the handle 2 on said casing 1 top; So that carry, a side of said casing 1 is provided with plugboard 3, and described plugboard 3 is at some jacks 8 that are provided with of vertical, horizontal equity distance; In described jack 8, be equipped with four metallic conduction sheets 9 of mutual disconnection, every metallic conduction sheet 9 is electrically connected through built-in lead 10 with adjacent metal conducting strip 9 each other; It also has the inserted block 4 of some charged device elements; The bottom of said inserted block 4 is provided with two metallic plugs 5; Said metallic plug 5 can insert in any two described jacks 8; The electric elements that said inserted block 4 is provided with are power supply or switch or fixed value resistance or variable resistor or bulb or multimeter etc., and said electric elements all with said inserted block 4 on two metallic plugs 5 be electrically connected, but the upper surface of said inserted block 4 is provided with the pilot lamp 6 of indicator current direction; With inserted block 4 teaching put into casing 1 before the class, not only carried out teaching in advance to prepare but also be convenient for carrying; Through on a side of said casing 1, being provided with plugboard 3, described plugboard 3 is at some jacks 8 that are provided with of vertical, horizontal equity distance, again since inserted block 4 metallic plugs 5 of some charged device elements can insert in any two described jacks 8; Accomplish needed connection; Different demo contents can be changed different inserted block 4 accordingly, has realized that like this demonstration is convenient and intuitive, connects also simple; Good demonstration effect is convenient to the purpose that the student accepts.
Claims (3)
1. electricity demonstration box; It comprises casing (1), and the case lid (7) that matches with said casing (1) is arranged on the handle (2) on said casing (1) top; It is characterized in that: a side of said casing (1) is provided with plugboard (3); Described plugboard (3) is provided with some jacks (8) vertical, horizontal equity distance, and it also has the inserted block (4) of some charged device elements, and the bottom of said inserted block (4) is provided with two metallic plugs (5); Said metallic plug (5) can insert in any two described jacks (8), said inserted block (4) but upper surface be provided with the pilot lamp (6) of indicator current direction.
2. electricity demonstration box according to claim 1; It is characterized in that: in described jack (8), be equipped with four metallic conduction sheets (9) of mutual disconnection, every metallic conduction sheet (9) is electrically connected through built-in lead (10) with adjacent metal conducting strip (9) each other.
3. electricity demonstration box according to claim 1 and 2; It is characterized in that: the electric elements that said inserted block (4) is provided with are power supply or switch or fixed value resistance or variable resistor or bulb or multimeter, and said electric elements all with said inserted block (4) on two metallic plugs (5) be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202452166U CN202102627U (en) | 2011-06-29 | 2011-06-29 | Electrical demonstration box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202452166U CN202102627U (en) | 2011-06-29 | 2011-06-29 | Electrical demonstration box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202102627U true CN202102627U (en) | 2012-01-04 |
Family
ID=45388631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202452166U Expired - Fee Related CN202102627U (en) | 2011-06-29 | 2011-06-29 | Electrical demonstration box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202102627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456215A (en) * | 2013-09-04 | 2013-12-18 | 余姚市科仪光仪有限公司 | Electricity demonstration box |
-
2011
- 2011-06-29 CN CN2011202452166U patent/CN202102627U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456215A (en) * | 2013-09-04 | 2013-12-18 | 余姚市科仪光仪有限公司 | Electricity demonstration box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20120629 |