CN104700691B - Instrument for demonstrating conservation law of mechanical energy of object - Google Patents
Instrument for demonstrating conservation law of mechanical energy of object Download PDFInfo
- Publication number
- CN104700691B CN104700691B CN201510125991.0A CN201510125991A CN104700691B CN 104700691 B CN104700691 B CN 104700691B CN 201510125991 A CN201510125991 A CN 201510125991A CN 104700691 B CN104700691 B CN 104700691B
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- China
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- instrument
- motor
- bridge
- electric sucker
- fixed
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Abstract
The invention relates to an instrument for demonstrating a conservation law of mechanical energy of an object, and belongs to the field of physics teaching demonstrating instruments. The instrument for demonstrating the conservation law of the mechanical energy of the object is characterized in that an upper rectangular rod, a lower rectangular rod and a left rectangular rod of a three-rod rack of the instrument are perpendicular to one another; a motor is fixed on the lower surface of the upper rod of the three-rod rack of the instrument through a motor fixing piece; a laser distance measuring and speed measuring instrument is fixed on a rotating shaft of the motor through a fixing plate of a laser instrument; an electric sucker is fixed on the left side of the lower surface of the upper rod of the three-rod rack of the instrument; a sucking surface of the electric sucker is connected with a metal hammer; the motor is an alternating-current motor with the nominal voltage of 220V; and the electric sucker is a direct-current electromagnet with the voltage of 12V. The instrument for demonstrating the conservation law of the mechanical energy of the object has the advantages that mechanical energy conservation of the object can be demonstrated, and the instrument is simple in structure and convenient to operate and demonstrate, and is visual and accurate.
Description
Technical field
The present invention relates to a kind of object law of conservation of mechanical energy demonstrator, belong to physics teaching demonstrating instrument device field.
Background technology
At present, in physics teaching, student is unable to profound understanding to the object law of conservation of mechanical energy, and traditional object is mechanical
Can not can accurately demonstrate conservation of mechanical energy phenomenon data by conservation law demonstrator, and intuitive is not good, this demonstration instrument can be to
Student accurately, intuitively, dynamically demonstrates conservation of mechanical energy phenomenon data.
Content of the invention
It is an object of the invention to provide a kind of object law of conservation of mechanical energy demonstrator, can accurately, directly perceived, dynamically demonstrate
The conservation of mechanical energy phenomenon data of object.
The object of the present invention is achieved like this: is adjusted by electric sucker switch, 12v D.C. regulated power supply, 220v alternating current generator
Fast device, motor switch, control panel, instrument three bridge, motor fixture, motor, machine shaft, laser device fixed plate, laser
Ranging and range rate instrument, base plate foot, level indicator, metal hammer, electric sucker composition.Motor switch, 220v speed regualtion of AC motor device and motor
Series connection is followed by 220v alternating current power supply；Electric sucker switch, 12v D.C. regulated power supply and electric sucker series connection are followed by 220v alternating current power supply；
Electric sucker switch, 12v D.C. regulated power supply, 220v speed regualtion of AC motor device and motor switch are fixing on the control panel, control
The upper surface of the upper boom of panel and instrument three bridge is vertically connected, and motor is fixed on the upper of instrument three bridge by motor fixture
The lower surface of bar, speed measured instrument is fixed on machine shaft by laser device fixed plate, and electric sucker is fixed on instrument three
The left side of the lower surface of the upper boom of bridge, the suction face of electric sucker is connected with metal hammer, and level indicator is placed under instrument three bridge
The upper surface of bar, the lower section of the lower beam of instrument three bridge is fixed with base plate foot, it is characterized in that: the upper bottom left of instrument three bridge three
Long square bar, two adjacent bars are mutually perpendicular to respectively, and motor nominal voltage is the alternating current generator of 220v, electric sucker direct current 12v
Electromagnet type.
Due to adopting technique scheme, advantage for present invention and good effect to be: object mechanical energy can be demonstrated
Conservation phenomenon, structure is simple, and intuitively accurately, operation demonstration is convenient.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the present invention
Fig. 2 is the circuit theory diagrams of the present invention.
In Fig. 1,1. electric sucker switch 2.12v D.C. regulated power supply 3.220v speed regualtion of AC motor device 4. motors are opened
Close 5. control panel, 6. instrument, three bridges, 7. motor fixture, 8. motor, 9. machine shaft 10. laser device to fix
The electric sucker of plate 11. speed measured instrument, 12. base plate foot, 13. level indicator, 14. metal hammer 15.
K1. electricity sucker switch a.12v D.C. regulated power supply c. electricity sucker k in Fig. 22. motor switch is b.220v
Speed regualtion of AC motor device m. motor
Specific embodiment:
In FIG, electric sucker is switched 1,12v D.C. regulated power supply 2,220v speed regualtion of AC motor device 3 and motor switch 4
It is fixed on control panel 5, the upper surface of the upper boom of control panel 5 and instrument three bridge 6 is vertically connected, motor 8 passes through motor
Fixture 7 is fixed on the right of the lower surface of upper boom of instrument three bridge 6, and speed measured instrument 11 passes through laser device fixed plate
10 are fixed on machine shaft 9, and electric sucker 15 is fixed on the left side of the lower surface of upper boom of instrument three bridge 6, electric sucker 15
Suction face is connected with metal hammer 14, and level indicator 13 is placed on the upper surface of the lower beam of instrument three bridge 6, the lower beam of instrument three bridge 6
Lower section be fixed with base plate foot 12, three long square bars of upper bottom left of instrument three bridge 6, two adjacent bars are mutually perpendicular to respectively, electricity
Machine 8 nominal voltage is the alternating current generator of 220v, electric sucker 15 direct current 12v electromagnet type.
In fig. 2, electric sucker switchs k1, 12v D.C. regulated power supply a and electric sucker c series connection be followed by 220v alternating current power supply, electricity
Machine switchs k2, 220v speed regualtion of AC motor device b and motor m series connection be followed by 220v alternating current power supply.
Claims (1)
1. a kind of object law of conservation of mechanical energy demonstrator, by electric sucker switch, 12v D.C. regulated power supply, 220v alternating current generator
Speed regulator, motor switch, control panel, instrument three bridge, motor fixture, motor, machine shaft, laser device fixed plate, swash
Ligh-ranging tachymeter, base plate foot, level indicator, metal hammer, electric sucker composition, electric sucker is switched (1), 12v D.C. regulated power supply
(2), 220v speed regualtion of AC motor device (3) and motor switch (4) are fixed on control panel (5), control panel (5) and instrument three
The upper surface of the upper boom of bridge (6) is vertically connected, and motor (8) is fixed on the upper of instrument three bridge (6) by motor fixture (7)
The right of the lower surface of bar, speed measured instrument (11) is fixed on machine shaft (9) by laser device fixed plate (10), electricity
Sucker (15) is fixed on the left side of the lower surface of upper boom of instrument three bridge (6), the suction face of electric sucker (15) and metal hammer (14)
It is connected, level indicator (13) is placed on the upper surface of the lower beam of instrument three bridge (6), the lower section of the lower beam of instrument three bridge (6) is solid
Surely there are base plate foot (12), three long square bars of upper bottom left of instrument three bridge (6), two adjacent bars are mutually perpendicular to respectively, motor (8)
The alternating current generator being 220v with nominal voltage, electric sucker (15) uses direct current 12v electromagnet type, electric sucker switch, 12v DC voltage-stabilizing
Power supply and electric sucker series connection are followed by 220v alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125991.0A CN104700691B (en) | 2015-03-17 | 2015-03-17 | Instrument for demonstrating conservation law of mechanical energy of object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125991.0A CN104700691B (en) | 2015-03-17 | 2015-03-17 | Instrument for demonstrating conservation law of mechanical energy of object |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104700691A CN104700691A (en) | 2015-06-10 |
| CN104700691B true CN104700691B (en) | 2017-02-01 |
Family
ID=53347760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510125991.0A Expired - Fee Related CN104700691B (en) | 2015-03-17 | 2015-03-17 | Instrument for demonstrating conservation law of mechanical energy of object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104700691B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514789B (en) * | 2013-10-30 | 2015-12-09 | 合肥通用机械研究院 | Automatic demonstration device for conservation of mechanical energy |
| CN103971565B (en) * | 2014-05-29 | 2016-05-11 | 山东省远大网络多媒体股份有限公司 | Mechanical energy conservation experimental device |
| CN104318852B (en) * | 2014-11-14 | 2016-09-21 | 重庆理工大学 | A kind of magnetic force dynamic balancing machine |
| CN204537559U (en) * | 2015-03-17 | 2015-08-05 | 盐城工业职业技术学院 | Object law of conservation of mechanical energy demonstrator |
-
2015
- 2015-03-17 CN CN201510125991.0A patent/CN104700691B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104700691A (en) | 2015-06-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20170201 Termination date: 20180317 |