CN204166755U - Dynamics demonstration teaching aid - Google Patents
Dynamics demonstration teaching aid Download PDFInfo
- Publication number
- CN204166755U CN204166755U CN201420676868.9U CN201420676868U CN204166755U CN 204166755 U CN204166755 U CN 204166755U CN 201420676868 U CN201420676868 U CN 201420676868U CN 204166755 U CN204166755 U CN 204166755U
- Authority
- CN
- China
- Prior art keywords
- weight
- electromagnet
- end connects
- suction sheet
- cord
- 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
Links
Landscapes
- Toys (AREA)
Abstract
The utility model belongs to physical teaching aid field, and existing dynamics teaching aid is very abundant, but, still there is the experiment being not easy to demonstrate and study.In order to make up the deficiency of existing teaching aid, the utility model proposes a kind of electro-magnetic phenomenon display apparatus, the utility model is such: dynamics demonstration teaching aid, comprise base, be fixedly connected on the two vertical plates of base, it is characterized in that: planar surface is provided with the first electromagnet, also be provided with the first suction sheet, first suction sheet is made up of soft magnetic material, first cord one end connects the first suction sheet, the other end connects the upper end of the first weight, elastic threads one end connects the lower end of the first weight, the other end connects the second weight, planar surface is provided with the second electromagnet, also be provided with the second suction sheet, second suction sheet is made up of soft magnetic material, second cord one end connects the second suction sheet, the other end connects the upper end of the 3rd weight, 3rd cord one end connects the lower end of the 3rd weight, the other end connects the 4th weight.
Description
Technical field
The utility model belongs to physical teaching aid field, in particular for the field of dynamics teaching.
Background technology
Existing dynamics teaching aid is very abundant, but, still there is the experiment being not easy to demonstrate and study.
Utility model content
In order to make up the deficiency of existing teaching aid, the utility model proposes a kind of electro-magnetic phenomenon display apparatus, the utility model is such:
1, dynamics demonstration teaching aid, comprises base, is fixedly connected on the two vertical plates of base, it is characterized in that:
Planar surface is provided with the first electromagnet, and flat board is be fixedly connected with the connected mode of the first electromagnet, and be also provided with the first suction sheet for adsorbing the first electromagnet lower end, the first suction sheet is made up of soft magnetic material,
First cord one end connects the first suction sheet, and the other end connects the upper end of the first weight,
Elastic threads one end connects the lower end of the first weight, and the other end connects the second weight,
Also comprise:
Planar surface is provided with the second electromagnet, and flat board is be fixedly connected with the connected mode of the second electromagnet, and be also provided with the second suction sheet for adsorbing the second electromagnet lower end, the second suction sheet is made up of soft magnetic material,
Second cord one end connects the second suction sheet, and the other end connects the upper end of the 3rd weight,
3rd cord one end connects the lower end of the 3rd weight, and the other end connects the 4th weight,
And the first electromagnet and the second solenoid circuit connected mode are series connection.
2, a kind of dynamics demonstration teaching aid, comprises base, is fixedly connected on the two vertical plates of base, it is characterized in that:
Planar surface is provided with the first electromagnet, and flat board is be fixedly connected with the connected mode of the first electromagnet, and be also provided with the first suction sheet for adsorbing the first electromagnet lower end, the first suction sheet is made up of soft magnetic material,
First cord one end connects the first suction sheet, and the other end connects the upper end of the first weight,
Elastic threads one end connects the lower end of the first weight, and the other end connects the second weight,
Also comprise:
Planar surface is provided with the second electromagnet, and flat board is be fixedly connected with the connected mode of the second electromagnet, and be also provided with the second suction sheet for adsorbing the second electromagnet lower end, the second suction sheet is made up of soft magnetic material,
Second cord one end connects the second suction sheet, and the other end connects the upper end of the 3rd weight,
3rd cord one end connects the lower end of the 3rd weight, and the other end connects the 4th weight,
And: the first electromagnet and the second solenoid circuit connected mode are in parallel.
3, further: the lower end of the first electromagnet and the lower end of the second electromagnet are positioned at same level height,
When the first suction sheet, the second suction sheet are adsorbed, the first weight and the 3rd weight are positioned at same level height,
When the first suction sheet, the second suction sheet are adsorbed, the second weight and the 4th weight are positioned at same level height.
The utility model structure is simple, for teaching, can promote teaching efficiency, be conducive to student and carry out inquiry activity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model circuit connection diagram.
Fig. 3 is the utility model circuit connection diagram.
In figure: 1-base, 2-is dull and stereotyped, 31-first electromagnet, 32-second electromagnet, 41-first suction sheet, 42-second suction sheet, 51-elastic threads, 52-second cord, 61-first weight, 62-the 3rd weight, 71-first cord, 72-the 3rd cord, 81-second weight, 82-the 4th weight, 91-switch, 92-power supply.
Embodiment
See accompanying drawing 1, it is structural representation of the present utility model.
Dynamics demonstration teaching aid, comprises base 1, is fixedly connected on the two vertical plates 2 of base 1, it is characterized in that:
Dull and stereotyped 2 surfaces are provided with the first electromagnet 31, and dull and stereotyped 2 is be fixedly connected with the connected mode of the first electromagnet 31, and the first suction sheet 41, first suction sheet 41 be also provided with for adsorbing the first electromagnet 31 lower end is made up of soft magnetic material,
First cord 71 one end connects the first suction sheet 41, and the other end connects the upper end of the first weight 61,
Elastic threads 51 one end connects the lower end of the first weight 61, and the other end connects the second weight 81,
Also comprise:
Dull and stereotyped 2 surfaces are provided with the second electromagnet 32, and dull and stereotyped 2 is be fixedly connected with the connected mode of the second electromagnet 32, and the second suction sheet 42, second suction sheet 42 be also provided with for adsorbing the second electromagnet 32 lower end is made up of soft magnetic material,
Second cord 52 one end connects the second suction sheet 42, and the other end connects the upper end of the 3rd weight 62,
3rd cord 72 one end connects the lower end of the 3rd weight 62, and the other end connects the 4th weight 82,
And the first electromagnet 31 and the second electromagnet 32 circuit connecting mode are series connection.
Refer to Fig. 2, first electromagnet 31 and the second electromagnet 32 circuit connecting mode are series connection, the circuit connecting relation of the first electromagnet and the second electromagnet is illustrated in figure, control circuit turn-on or the open circuit of the first electromagnet 31 and the second electromagnet 32 in figure with switch 91, power supply 92 provides electric energy for the first electromagnet 31 and the second electromagnet 32.
Using method: connect circuit, the first suction sheet 41, second suction sheet 42 is allowed to be adsorbed on the first electromagnet 31, second electromagnet 32 respectively, then, disconnecting circuit, at this time can observe the motion conditions of the first weight, the second weight, the 3rd weight, the 4th weight.Any difference can also be had with playing after video camera shooting the motion conditions that slow motion observes each weight.
The utility model can also be such:
2, a kind of dynamics demonstration teaching aid, comprises base 1, is fixedly connected on the two vertical plates 2 of base 1, it is characterized in that:
Dull and stereotyped 2 surfaces are provided with the first electromagnet 31, and dull and stereotyped 2 is be fixedly connected with the connected mode of the first electromagnet 31, and the first suction sheet 41, first suction sheet 41 be also provided with for adsorbing the first electromagnet 31 lower end is made up of soft magnetic material,
First cord 71 one end connects the first suction sheet 41, and the other end connects the upper end of the first weight 61,
Elastic threads 51 one end connects the lower end of the first weight 61, and the other end connects the second weight 81,
Also comprise:
Dull and stereotyped 2 surfaces are provided with the second electromagnet 32, and dull and stereotyped 2 is be fixedly connected with the connected mode of the second electromagnet 32, and the second suction sheet 42, second suction sheet 42 be also provided with for adsorbing the second electromagnet 32 lower end is made up of soft magnetic material,
Second cord 52 one end connects the second suction sheet 42, and the other end connects the upper end of the 3rd weight 62,
3rd cord 72 one end connects the lower end of the 3rd weight 62, and the other end connects the 4th weight 82,
And: the first electromagnet 31 and the second electromagnet 32 circuit connecting mode are in parallel.
See accompanying drawing 3, illustrate the first electromagnet 31 and the second electromagnet 32 circuit connecting mode in parallel.
Using method: connect circuit, the first suction sheet 41, second suction sheet 42 is allowed to be adsorbed on the first electromagnet 31, second electromagnet 32 respectively, then, disconnecting circuit, at this time can observe the motion conditions of the first weight, the second weight, the 3rd weight, the 4th weight.Any difference can also be had with playing after video camera shooting the motion conditions that slow motion observes each weight.
3, further: the lower end of the first electromagnet 31 and the lower end of the second electromagnet 32 are positioned at same level height,
When the first suction sheet 41, second suction sheet 42 is by absorption, the first weight 61 and the 3rd weight 62 are positioned at same level height,
When the first suction sheet 41, second suction sheet 42 is by absorption, the second weight 81 and the 4th weight 82 are positioned at same level height.
The utility model also needs having of explanation: the first suction sheet 41, second suction sheet 42 can adopt iron to make, because the suction sheet made of soft magnetic material, so, when electromagnet energising, suction sheet can be attracted, and after electromagnet power-off, suction sheet is not just attracted.
Probing into the motion of each weight in the utility model, is a good problem to study in dynamics, is also that prior art is difficult to research from test.Elastic threads 51 can be made up of elastic string, also can be made up of bungee.First cord, the second cord, the 3rd cord can adopt fishing line to make.
The utility model structure is simple, for teaching, can promote teaching efficiency, be conducive to student and carry out inquiry activity.
Claims (1)
1. dynamics demonstration teaching aid, comprises base, is fixedly connected on the two vertical plates of base, it is characterized in that:
Planar surface is provided with the first electromagnet, and flat board is be fixedly connected with the connected mode of the first electromagnet, and be also provided with the first suction sheet for adsorbing the first electromagnet lower end, the first suction sheet is made up of soft magnetic material,
First cord one end connects the first suction sheet, and the other end connects the upper end of the first weight,
Elastic threads one end connects the lower end of the first weight, and the other end connects the second weight,
Also comprise:
Planar surface is provided with the second electromagnet, and flat board is be fixedly connected with the connected mode of the second electromagnet, and be also provided with the second suction sheet for adsorbing the second electromagnet lower end, the second suction sheet is made up of soft magnetic material,
Second cord one end connects the second suction sheet, and the other end connects the upper end of the 3rd weight,
3rd cord one end connects the lower end of the 3rd weight, and the other end connects the 4th weight,
And the first electromagnet and the second solenoid circuit connected mode are series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676868.9U CN204166755U (en) | 2014-11-13 | 2014-11-13 | Dynamics demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676868.9U CN204166755U (en) | 2014-11-13 | 2014-11-13 | Dynamics demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166755U true CN204166755U (en) | 2015-02-18 |
Family
ID=52540421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420676868.9U Expired - Fee Related CN204166755U (en) | 2014-11-13 | 2014-11-13 | Dynamics demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166755U (en) |
-
2014
- 2014-11-13 CN CN201420676868.9U patent/CN204166755U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203366585U (en) | History teaching board | |
| CN204166755U (en) | Dynamics demonstration teaching aid | |
| CN203366601U (en) | Spatial geometry demonstration teaching aid for mathematic teaching | |
| CN206249656U (en) | A kind of music teaching board for being easy to staff to impart knowledge to students | |
| CN206907321U (en) | A kind of physics experiments of high school principle exhibiting device | |
| CN203812439U (en) | English-language teaching board | |
| CN206058667U (en) | A kind of physics teaching gravity experimental simulation device | |
| CN204166778U (en) | Vertical upthrow demonstrator | |
| CN203055186U (en) | English teaching demonstration appliance | |
| CN203490897U (en) | Controllable magnet connecting signboard hanging device | |
| CN204742285U (en) | Intelligent pole ware of having fish | |
| CN204759843U (en) | Physical demonstration instructional device | |
| CN206639467U (en) | A kind of inertia experiment demonstration trolley | |
| CN206584614U (en) | A kind of economics Multifunctional teaching aid | |
| CN204143698U (en) | A kind of square demonstration teaching aid | |
| CN204166736U (en) | A kind of computer teaching model display device | |
| CN205302782U (en) | Electro -magnet appeal and magnetic pole lecture experiment device | |
| CN204808709U (en) | Electromagnetism accelerator | |
| CN204360660U (en) | Single pendulum phase place demonstrating experiment device | |
| CN203646905U (en) | Showing stand for finance and accounting teaching | |
| CN204044204U (en) | A kind of signaling module of electric energy meter plug-in unit | |
| CN203631024U (en) | Stereoscopic thermodynamic circulation demonstrating apparatus | |
| CN202434092U (en) | Magnetic quadrilateral plate | |
| CN202502343U (en) | Novel projection screen | |
| CN201346932Y (en) | Novel blackboard |
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 |
Granted publication date: 20150218 Termination date: 20151113 |
|
| EXPY | Termination of patent right or utility model |