CN201017500Y - Mechanical energy conservation law verification device - Google Patents
Mechanical energy conservation law verification device Download PDFInfo
- Publication number
- CN201017500Y CN201017500Y CNU2007200203622U CN200720020362U CN201017500Y CN 201017500 Y CN201017500 Y CN 201017500Y CN U2007200203622 U CNU2007200203622 U CN U2007200203622U CN 200720020362 U CN200720020362 U CN 200720020362U CN 201017500 Y CN201017500 Y CN 201017500Y
- Authority
- CN
- China
- Prior art keywords
- glass tube
- mechanical energy
- utility
- model
- energy conservation
- 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 a mechanical energy conservation law test device, which belongs to a teaching experimental device. The utility model comprises a small steel ball arranged in a vacuum glass tube an electromagnet arranged on the inner top of the glass tube, a damping device arranged on the inner bottom of the glass tube, a measuring scale arranged on the wall of the glass tube, and a movable velocimeter fixed on the wall of the glass tube. The utility model has the advantages that the experiment effect is ideal, the error is small, and the structure is simple, and the operation is very simple.
Description
Technical field
The utility model relates to a kind of education experiment device, specifically is a kind of device of verifying the law of conservation of mechanical energy.
Background technology
At present, in the physics teaching in secondary school, experimental provision structure more complicated all of conservation of mechanical energy in the checking movement of falling object, troublesome poeration, and cause easily than mistake, experiment effect is not very desirable.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of law of conservation of mechanical energy demo plant, and its experiment effect is desirable and simple in structure, operates also very simple.
The technical solution of the utility model is: law of conservation of mechanical energy demo plant, it is characterized in that: a glass tube with vacuum is built-in with the rigidity bead, be provided with electromagnet at the glass tube inner top, be provided with shock attenuation device at the glass tube inner bottom part, glass tube walls is provided with rule, and a removable knotmeter is fixed on the glass tube walls.
During experiment, attracted the rigidity bead by electromagnet earlier, knotmeter is fixed on the scale, electromagnet disconnects then, and bead falls, and at the moment h through knotmeter
1, knotmeter is noted the speed of this moment bead.Then knotmeter is changed position h
2, and the speed when in like manner measuring bead and dropping to this position, then, 1/2mv relatively
1 2-1/2mv
2 2, mgh
1-mgh
2, checking 1/2mv
1 2-1/2mv
2 2=mgh
1-mgh
2It is the law of conservation of mechanical energy.
The beneficial effects of the utility model are: its experiment effect ideal, error is little, and simple in structure, operates also very simple.
Description of drawings
Accompanying drawing is a structural representation of the present utility model,
Among the figure: 1 glass tube, 2 electromagnet, 3 beads, 4 knotmeters, 5 vibroshocks, 6 rules.
Embodiment
As shown in drawings, this law of conservation of mechanical energy demo plant mainly comprises vacuum tube, electromagnet, bead, knotmeter.Vacuum tube is a transparent glass tube 1, and glass tube is built-in with rigidity bead 3, is provided with electromagnet 2 at the glass tube inner top, be provided with vibroshock 5 at the glass tube inner bottom part, reduce bead and fall the impact of back to base, glass tube walls is provided with rule 6, one removable knotmeters 4 and is fixed on the glass tube walls.Knotmeter is a prior art, can directly buy.
Claims (1)
1. law of conservation of mechanical energy demo plant, it is characterized in that: a glass tube with vacuum is built-in with the rigidity bead, is provided with electromagnet at the glass tube inner top, is provided with shock attenuation device at the glass tube inner bottom part, glass tube walls is provided with rule, and a removable knotmeter is fixed on the glass tube walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200203622U CN201017500Y (en) | 2007-04-06 | 2007-04-06 | Mechanical energy conservation law verification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200203622U CN201017500Y (en) | 2007-04-06 | 2007-04-06 | Mechanical energy conservation law verification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201017500Y true CN201017500Y (en) | 2008-02-06 |
Family
ID=39057999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200203622U Expired - Fee Related CN201017500Y (en) | 2007-04-06 | 2007-04-06 | Mechanical energy conservation law verification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201017500Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446437A (en) * | 2010-10-15 | 2012-05-09 | 柳延东 | Teaching experimental device for converting thermal energy into mechanical energy |
| CN106157757A (en) * | 2016-08-26 | 2016-11-23 | 侯明 | A kind of Novel physical laboratory table |
| CN107715940A (en) * | 2017-10-19 | 2018-02-23 | 长乐智睿恒创节能科技有限责任公司 | A kind of multi-functional physical test platform |
-
2007
- 2007-04-06 CN CNU2007200203622U patent/CN201017500Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446437A (en) * | 2010-10-15 | 2012-05-09 | 柳延东 | Teaching experimental device for converting thermal energy into mechanical energy |
| CN106157757A (en) * | 2016-08-26 | 2016-11-23 | 侯明 | A kind of Novel physical laboratory table |
| CN107715940A (en) * | 2017-10-19 | 2018-02-23 | 长乐智睿恒创节能科技有限责任公司 | A kind of multi-functional physical test platform |
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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 |