CN203733384U - Buoyancy experiment device for physics teaching - Google Patents
Buoyancy experiment device for physics teaching Download PDFInfo
- Publication number
- CN203733384U CN203733384U CN201420132190.8U CN201420132190U CN203733384U CN 203733384 U CN203733384 U CN 203733384U CN 201420132190 U CN201420132190 U CN 201420132190U CN 203733384 U CN203733384 U CN 203733384U
- Authority
- CN
- China
- Prior art keywords
- tank
- reservoir
- support arm
- experiment device
- liquid pump
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model relates to a buoyancy experiment device for physics teaching. The buoyancy experiment device comprises a base; a water tank, an L-shaped support arm, an electric telescoping rod, a tension sensor, a hanging hook, a water storage barrel and a gravity sensor, wherein the water tank is arranged on the base, and the upper edge of the water tank is provided with an overflow opening; the L-shaped support arm is fixedly arranged on the side wall of the water tank, and one end of the L-shaped support arm is arranged above the water tank; one end of the electric telescoping rod is fixedly connected with one end of the L-shaped support arm; the tension sensor is arranged between the electric telescoping rod and the hanging hook; the water storage barrel is arranged under the overflow opening; and the bottom of the water storage barrel is contacted with the gravity sensor. A first liquid accumulator and a second liquid accumulator installed higher than the upper edge of the water tank are used for supplying liquid to the water tank. The buoyancy experiment device utilizes an integrated structure, thereby saving the teacher' time for preparing and installing buoyancy teaching appliances; besides, the student' interest of experiment operation can be improved, and furthermore, teaching effect can be enhanced.
Description
Technical field
The utility model relates to physics teaching technical field, particularly relates to a kind of buoyancy experiment device for physics teaching.
Background technology
Buoyancy refers to that object is in fluid (comprising liquids and gases), the pressure differential that upper and lower surface is suffered.B.C. 245 years, Archimedes found law of buoyancy.The definition of buoyancy be F upwards-F is downward, computing formula can be written as F, and floating=G row=ρ liquid gV arranges.
In the physics teaching in junior middle school, it is more that buoyancy education experiment relates to equipment, and teacher of physics is prepared to waste time and energy.Carrying out in buoyancy education experiment process, student is difficult to oneself take action on one's own to carry out buoyancy experiment operation, and teaching efficiency is poor.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of buoyancy experiment device for physics teaching, and more to solve existing buoyancy experiment equipment parts, teacher of physics is prepared to waste time and energy, and the poor problem of teaching efficiency.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of buoyancy experiment device for physics teaching, and it comprises:
Base;
Tank, described tank is arranged on described base, and the upper edge of described tank has gap;
L-type support arm, described L-type support arm is fixed on the sidewall of described tank; One end of L-type support arm is positioned at the top of tank;
Electric expansion bar, one end of described electric expansion bar is fixedly connected on one end of L-type support arm;
Pulling force sensor, hook, described pulling force sensor is between electric expansion bar and hook;
Water butt, gravity sensor, described water butt is positioned at the below of gap, and the bottom of water butt contacts with gravity sensor;
Be arranged on higher than the first reservoir and the second reservoir along position on tank, for to tank feed flow.
Buoyancy experiment device for physics teaching as above, further, described electric expansion bar comprises fixed bar, carriage release lever and drive motor, and one end of described fixed bar is fixed on one end of L-type support arm, and drive motor is the carriage release lever stretching motion in fixed bar with tooth bar by gear drive.
Buoyancy experiment device for physics teaching as above, also comprises fluid circulation system, and described fluid circulation system comprises the first reservoir, the second reservoir, the first liquid pump, the second liquid pump and tank; Described the first reservoir is communicated with the lower end of tank by pipeline, on the pipeline of connection the first reservoir and tank, the first liquid pump is installed; Described the second reservoir is communicated with the lower end of tank by pipeline, on the pipeline of connection the second reservoir and tank, the second liquid pump is installed.
Buoyancy experiment device for physics teaching as above, also comprise circuit control system, described circuit control system comprises: PLC control chip, the first liquid pump, the second liquid pump, pulling force sensor, gravity sensor, electric expansion bar and the touch display that connect respectively at described PLC control chip signal.
The beneficial effects of the utility model are:
1, simple to operate, student hangs over object floating needs on hook in the time of experiment, and residue work only need to can realize by operated valve and touch display.
2, can carry out the experiment of 2 kinds of different densities liquid, for example in the first reservoir, place alcohol, in the second reservoir, place water, when so to density, the object between alcohol and water carries out buoyancy experiment, student just can see two kinds of distinct experimental results: swim in liquid level and sink to liquid internal.
3, adopt integral type structure for the buoyancy experiment device of physics teaching, greatly save the time that teacher prepares, buoyancy teaching aid is installed.
Brief description of the drawings
Fig. 1 is the buoyancy experiment device overall schematic for physics teaching of a kind of embodiment of the utility model;
Fig. 2 is the liquid collection part schematic diagram of the utility model for the buoyancy experiment device of physics teaching;
Fig. 3 is the circuit control schematic diagram of the utility model for the buoyancy experiment device of physics teaching.
In accompanying drawing, the list of parts of each label representative is as follows:
1, base, 2, tank, 22, gap, 3, L-type support arm, 4, electric expansion bar, 5, pulling force sensor, 6, hook, 7, water butt, 8, gravity sensor, 9, the first reservoir, 10, the second reservoir, 11, the first valve, 12, the second valve, 13, the first liquid pump, 14, the second liquid pump, 15, PLC controller, 16, touch display.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, be the buoyancy experiment device overall schematic for physics teaching of a kind of embodiment of the utility model; It comprises:
Base 1;
Tank 2, described tank 2 is arranged on described base 1, and the upper edge of described tank 2 has gap 22;
L-type support arm 3, described L-type support arm 3 is fixed on the sidewall of described tank 2; One end of L-type support arm 3 is positioned at the top of tank 2;
Electric expansion bar 4, one end of described electric expansion bar 4 is fixedly connected on one end of L-type support arm 3;
Pulling force sensor 5, hook 6, described pulling force sensor 5 is between electric expansion bar 4 and hook 6;
Water butt 7, gravity sensor 8, described water butt 7 is positioned at the below of gap 22, and the bottom of water butt 7 contacts with gravity sensor 8;
Be arranged on higher than the first reservoir 9 and the second reservoir 10 along position on tank 2, for to tank 2 feed flows.Concrete, control to tank tapping with the second valve 12 that is arranged on the second reservoir 10 by the first valve 11 that is arranged on the first reservoir 9.
Fluid circulation system, described fluid circulation system comprises the first reservoir 9, the second reservoir 10, the first liquid pump 13, the second liquid pump 14 and tank 2; Described the first reservoir 9 is communicated with the lower end of tank 2 by pipeline, on the pipeline of connection the first reservoir 9 and tank 2, the first liquid pump 13 is installed; Described the second reservoir 10 is communicated with the lower end of tank 2 by pipeline, on the pipeline of connection the second reservoir 10 and tank 2, the second liquid pump 14 is installed.
Draw together circuit control system, described circuit control system comprises: PLC control chip 15, the first liquid pump 13, the second liquid pump 14, pulling force sensor 5, gravity sensor 8, electric expansion bar 4 and the touch display 16 that connect respectively at described PLC control chip 15 signals.
PLC control chip 15 receives respectively pulling force sensor 5 and gravity sensor 8 signals, after processing, result is outputed to touch display 16.Input electric expansion bar 4 control signals by touch display 16, this signal enters control chip 15, and control chip 15 is controlled electric expansion bar 4 and stretched out or shrink.Input the first liquid pump 13, the second liquid pump 14 control signals by touch display 16, this signal enters control chip 15, and control chip 15 is controlled the first liquid pump 13, the second liquid pump 14 opens or cuts out.
At a kind of buoyancy experiment device for physics teaching of embodiment, described electric expansion bar 4 comprises fixed bar, carriage release lever and drive motor, one end of described fixed bar is fixed on one end of L-type support arm 3, and drive motor is the carriage release lever stretching motion in fixed bar with tooth bar by gear drive.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. for a buoyancy experiment device for physics teaching, it is characterized in that, described device comprises:
Base (1);
Tank (2), it is upper that described tank (2) is arranged on described base (1), and the upper edge of described tank (2) has gap (22);
L-type support arm (3), described L-type support arm (3) is fixed on the sidewall of described tank (2); One end of L-type support arm (3) is positioned at the top of tank (2);
Electric expansion bar (4), one end of described electric expansion bar (4) is fixedly connected on one end of L-type support arm (3);
Pulling force sensor (5), hook (6), described pulling force sensor (5) is positioned between electric expansion bar (4) and hook (6);
Water butt (7), gravity sensor (8), described water butt (7) is positioned at the below of gap (22), and the bottom of water butt (7) contacts with gravity sensor (8);
Be arranged on higher than tank (2) upper the first reservoir (9) and the second reservoir (10) along position, for to tank (2) feed flow.
2. the buoyancy experiment device for physics teaching according to claim 1, it is characterized in that, described electric expansion bar (4) comprises fixed bar, carriage release lever and drive motor, one end of described fixed bar is fixed on one end of L-type support arm (3), and drive motor is the carriage release lever stretching motion in fixed bar with tooth bar by gear drive.
3. the buoyancy experiment device for physics teaching according to claim 1, is characterized in that, also comprises fluid circulation system,
Described fluid circulation system comprises the first reservoir (9), the second reservoir (10), the first liquid pump (13), the second liquid pump (14) and tank (2); Described the first reservoir (9) is communicated with the lower end of tank (2) by pipeline, on the pipeline of connection the first reservoir (9) and tank (2), the first liquid pump (13) is installed; Described the second reservoir (10) is communicated with the lower end of tank (2) by pipeline, on the pipeline of connection the second reservoir (10) and tank (2), the second liquid pump (14) is installed.
4. the buoyancy experiment device for physics teaching according to claim 1, is characterized in that, also comprises circuit control system,
Described circuit control system comprises: PLC control chip (15), the first liquid pump (13), the second liquid pump (14), pulling force sensor (5), gravity sensor (8), electric expansion bar (4) and the touch display (16) that connect respectively at described PLC control chip (15) signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132190.8U CN203733384U (en) | 2014-03-24 | 2014-03-24 | Buoyancy experiment device for physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132190.8U CN203733384U (en) | 2014-03-24 | 2014-03-24 | Buoyancy experiment device for physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733384U true CN203733384U (en) | 2014-07-23 |
Family
ID=51203437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420132190.8U Expired - Fee Related CN203733384U (en) | 2014-03-24 | 2014-03-24 | Buoyancy experiment device for physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203733384U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504967A (en) * | 2015-01-05 | 2015-04-08 | 王振环 | Multi-functional kinetic study device |
| CN105890825A (en) * | 2016-04-26 | 2016-08-24 | 广东省农业机械试验鉴定站 | Device for measuring buoyancy of aerator floating body |
| CN106710384A (en) * | 2017-03-02 | 2017-05-24 | 殷晓晴 | Demonstration instrument for learning high school physics |
| CN108205952A (en) * | 2018-02-06 | 2018-06-26 | 曾天然 | Archimedes principle demonstrator |
| CN108320635A (en) * | 2018-01-03 | 2018-07-24 | 佛山杰致信息科技有限公司 | A kind of physics floating force demonstration device for teaching |
| CN108766143A (en) * | 2018-04-03 | 2018-11-06 | 蚌埠科睿达机械设计有限公司 | A kind of physics teaching device |
| CN113240981A (en) * | 2021-05-11 | 2021-08-10 | 湖州师范学院 | Operation method for combination measurement and data verification physical basis thereof |
-
2014
- 2014-03-24 CN CN201420132190.8U patent/CN203733384U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504967A (en) * | 2015-01-05 | 2015-04-08 | 王振环 | Multi-functional kinetic study device |
| CN105890825A (en) * | 2016-04-26 | 2016-08-24 | 广东省农业机械试验鉴定站 | Device for measuring buoyancy of aerator floating body |
| CN106710384A (en) * | 2017-03-02 | 2017-05-24 | 殷晓晴 | Demonstration instrument for learning high school physics |
| CN108320635A (en) * | 2018-01-03 | 2018-07-24 | 佛山杰致信息科技有限公司 | A kind of physics floating force demonstration device for teaching |
| CN108205952A (en) * | 2018-02-06 | 2018-06-26 | 曾天然 | Archimedes principle demonstrator |
| CN108766143A (en) * | 2018-04-03 | 2018-11-06 | 蚌埠科睿达机械设计有限公司 | A kind of physics teaching device |
| CN113240981A (en) * | 2021-05-11 | 2021-08-10 | 湖州师范学院 | Operation method for combination measurement and data verification physical basis thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203733384U (en) | Buoyancy experiment device for physics teaching | |
| CN202944012U (en) | Automatic ink adding device of intaglio printing press | |
| CN204596274U (en) | Buoyancy demonstrating device | |
| CN204413743U (en) | A kind of lathe water tank automatic liquid-feeding control device | |
| CN203461839U (en) | Efficient water distributor | |
| CN203345497U (en) | Liquid storage tank | |
| CN204849936U (en) | Modified water heater cold water recycle in earlier stage device | |
| CN204516178U (en) | Buoyancy demonstrating device | |
| CN203076283U (en) | Pipe cleaning system | |
| CN202324094U (en) | Water-saving device of waste water recycle | |
| CN201974981U (en) | Apparatus for demonstrating difference between flow characteristics of Newtonian fluid and non-Newtonian fluid | |
| CN205177240U (en) | Middle school is buoyancy presentation device for physical teaching | |
| CN201383279Y (en) | Apparatus for teaching and demonstrating principle of water pump | |
| CN202048960U (en) | Novel liquid level measuring device | |
| CN203304246U (en) | Bottle washing machine and water supplying device thereof | |
| CN221406656U (en) | Demonstration teaching aid for relation between air buoyancy and air density | |
| CN202677679U (en) | Buoyancy demonstrating instrument for physical experiment | |
| CN201951903U (en) | Fixing frame of liquid storage tank | |
| CN203889409U (en) | Small-sized oil material storage tank | |
| CN201383252Y (en) | Apparatus for teaching and demonstrating law of Archimedes | |
| CN202549106U (en) | Experimental water pump box model | |
| CN202599470U (en) | Telescopic liquid level control pipe | |
| CN102389844A (en) | Automatic and multifunctional experiment table used in purification laboratory | |
| CN202671455U (en) | Explosive paper tube paraffin recovery unit | |
| CN202792635U (en) | Solar water heater with overflowing-prevention device |
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: 20140723 Termination date: 20150324 |
|
| EXPY | Termination of patent right or utility model |