CN106710380A - Flow dynamic demonstrator - Google Patents
Flow dynamic demonstrator Download PDFInfo
- Publication number
- CN106710380A CN106710380A CN201710214579.5A CN201710214579A CN106710380A CN 106710380 A CN106710380 A CN 106710380A CN 201710214579 A CN201710214579 A CN 201710214579A CN 106710380 A CN106710380 A CN 106710380A
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- water
- sensor
- flow dynamic
- hydroelectric generator
- demonstration device
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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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- General Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention relates to a demonstration device, and particularly relates to a flow dynamic demonstrator. The flow dynamic demonstrator comprises an electric telescopic pole, wherein a bottom plate is arranged at the bottom of the electric telescopic pole; the top of the electric telescopic pole is fixed to a transverse plate; a water channel is arranged in the bottom plate; a submerged pump is arranged in the water channel; a water flow sensor and an ultrasonic sensor are fixed on the transverse plate; a hydroelectric generator is fixed on the electric telescopic pole; a water outlet of the submerged pump is connected with the water flow sensor through a water pipe; the water flow sensor is connected with a water inlet of the hydroelectric generator through the water pipe; the water outlet of the hydroelectric generator is introduced into the water channel through the water pipe; a control switch is arranged on the electric telescopic pole; and a voltmeter, a controller and a display screen are also arranged on the bottom plate. According to the technical scheme provided by the invention, the defects that the water level and the water flow in an experiment cannot be effectively controlled and the experiment result is not intuitive and accurate enough in the prior art can be effectively overcome.
Description
Technical field
The present invention relates to apparatus for demonstrating, and in particular to flow dynamic demonstration device.
Background technology
When usually demonstrating flow dynamic in an experiment, typically Small turbine is put in the sink, be then filled with water with beaker,
The surface pouring impact water wheels of water wheels, rotating speed according to water wheels judges the size of flow dynamic.The size of flow dynamic with
Water level is relevant with water-carrying capacity, but this experimental technique can neither be controlled to water level, also the size of uncontrollable water-carrying capacity,
Qualitatively flow dynamic can not be demonstrated.Meanwhile, visually it also is difficult to differentiate the change of the small rotating speed of water wheels, cause experiment to be tied
Fruit is not directly perceived accurate enough.
The content of the invention
(1) technical problem for solving
For the disadvantages mentioned above existing for prior art, can effectively overcome existing the invention provides flow dynamic demonstration device
Have that cannot be control effectively to the water level and water-carrying capacity in experiment existing for technology, experimental result are not directly perceived enough accurate etc. to be lacked
Fall into.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：
Flow dynamic demonstration device, including electric expansion bar, the electric expansion bar bottom are provided with base plate, the electric expansion
Bar top is fixed with transverse slat, and the base plate is provided with tank, and immersible pump is provided with the tank, and current are fixed with the transverse slat
Quantity sensor and ultrasonic sensor, are fixed with hydroelectric generator in the electric expansion bar, the delivery port of the immersible pump with
Water flow sensor is connected by water pipe, and the water flow sensor is connected by water pipe with the water inlet of hydroelectric generator, institute
The delivery port for stating hydroelectric generator is introduced into tank by water pipe, and the electric expansion bar is provided with controlling switch, the base plate
On be additionally provided with voltmeter, controller and display screen.
Preferably, the ultrasonic sensor is ultrasound apart from sensor.
Preferably, it is respectively arranged with wireless communication module in the water flow sensor, ultrasonic sensor and controller.
Preferably, the hydroelectric generator is connected by wire with voltmeter.
Preferably, the display screen is connected by wire with controller.
Preferably, the immersible pump is connected with voltage regulator.
(3) beneficial effect
Compared with prior art, flow dynamic demonstration device provided by the present invention on the one hand can be by electric expansion bar
Lifting action is controlled to water level, on the other hand because the cross-sectional area of water pipe is fixed, therefore can be by regulation
The supply voltage of immersible pump is controlled to water-carrying capacity, it is achieved thereby that to water level in experiment and water-carrying capacity the two variables
Effectively control, is that qualitative demonstration flow dynamic brings conveniently；Meanwhile, the method for experimental result will be drawn by judgement water wheels rotating speed
Speed dexterously change into the size of observation hydroelectric generator generating voltage, water wheels rotating speed this fuzzy amount is transformed into can
The digital quantity of measurement so that experimental result is more directly perceived accurate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described.It should be evident that drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is schematic structural view of the invention；
In figure：
1st, base plate；2nd, electric expansion bar；3rd, transverse slat；4th, tank；5th, immersible pump；6th, water flow sensor；8th, hydroelectric generation
Machine；9th, water pipe；10th, controlling switch；11st, ultrasonic sensor；12nd, voltmeter；13rd, controller；14th, display screen.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Flow dynamic demonstration device, as shown in figure 1, including electric expansion bar 2, the bottom of the electric expansion bar 2 is provided with base plate
1, the top of the electric expansion bar 2 is fixed with transverse slat 3, and the base plate 1 is provided with tank 4, and immersible pump 5 is provided with the tank 4,
Water flow sensor 6 and ultrasonic sensor 11 are fixed with the transverse slat 3, waterpower hair is fixed with the electric expansion bar 2
Motor 8, the delivery port of the immersible pump 5 is connected with water flow sensor 6 by water pipe 9, and the water flow sensor 6 passes through water
Pipe 9 is connected with the water inlet of hydroelectric generator 8, and the delivery port of the hydroelectric generator 8 is introduced into tank 4 by water pipe 9, described
Electric expansion bar 2 is provided with controlling switch 10, and voltmeter 12, controller 13 and display screen 14 are additionally provided with the base plate 1.
The ultrasonic sensor 11 be ultrasound apart from sensor, the water flow sensor 6, ultrasonic sensor
11 and controller 13 in be respectively arranged with wireless communication module, the hydroelectric generator 8 is connected by wire with voltmeter 12, it is described show
Display screen 14 is connected by wire with controller 13, and the immersible pump 5 is connected with voltage regulator.
During experiment, first to water filling in tank 4, the water in tank 4 is pressed into hydroelectric generator 8 by immersible pump 5 by water pipe 9
Water inlet, hydroelectric generator 8 can be generated electricity using current, and generating voltage is displayed on voltmeter 12.Experiment knot will be drawn
The method of fruit is dexterously changed into the size of the observation generating voltage of hydroelectric generator 8 by the speed of judgement water wheels rotating speed, by water wheels
Rotating speed this fuzzy amount is transformed into measurable digital quantity so that experimental result is more directly perceived accurate.
Can control the lifting of electric expansion bar 2 by controlling switch 10, and then adjust the height of transverse slat 3, so as to realize
Control to water level.Ultrasonic sensor 11 can measure height of water level, and send the data to control by wireless communication module
Device processed 13.
Because the cross-sectional area of water pipe 9 is fixed, therefore the power supply electricity of immersible pump 5 need to be only adjusted by voltage regulator
Pressure, and then adjust the flow rate of water flow in water pipe 9, you can realize the control to water-carrying capacity.Water flow sensor 6 can measure water pipe
Water-carrying capacity in 9, and controller 13 is sent the data to by wireless communication module.Controller 13 is by height of water level and water-carrying capacity
Display on display screen 14, is easy to observation experiment variable.
Flow dynamic demonstration device provided by the present invention on the one hand can be by the lifting action of electric expansion bar come to water
Position is controlled, and on the other hand because the cross-sectional area of water pipe is fixed, therefore power supply that can be by adjusting immersible pump is electric
Pressure is controlled to water-carrying capacity, it is achieved thereby that the effective control to water level in experiment and water-carrying capacity the two variables, is fixed
Property demonstration flow dynamic bring conveniently；Meanwhile, will draw the method for experimental result by judgement water wheels rotating speed speed dexterously
The size of observation hydroelectric generator generating voltage is changed into, this fuzzy amount is transformed into measurable numeral by water wheels rotating speed
Amount so that experimental result is more directly perceived accurate.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution can't be made.
Claims (6)
1. flow dynamic demonstration device, it is characterised in that：Including electric expansion bar (2), electric expansion bar (2) bottom is provided with bottom
Plate (1), electric expansion bar (2) top is fixed with transverse slat (3), and the base plate (1) is provided with tank (4), the tank (4)
In be provided with immersible pump (5), water flow sensor (6) and ultrasonic sensor (11) are fixed with the transverse slat (3), it is described electronic
Hydroelectric generator (8) is fixed with expansion link (2), the delivery port and water flow sensor (6) of the immersible pump (5) are by water pipe
(9) it is connected, the water flow sensor (6) is connected by water pipe (9) with the water inlet of hydroelectric generator (8), the waterpower hair
The delivery port of motor (8) is introduced into tank (4) by water pipe (9), and the electric expansion bar (2) is provided with controlling switch (10),
Voltmeter (12), controller (13) and display screen (14) are additionally provided with the base plate (1).
2. flow dynamic demonstration device according to claim 1, it is characterised in that：The ultrasonic sensor (11) is ultrasound
Ripple surveys range sensor.
3. flow dynamic demonstration device according to claim 1, it is characterised in that：The water flow sensor (6), ultrasonic wave
Wireless communication module is respectively arranged with sensor (11) and controller (13).
4. flow dynamic demonstration device according to claim 1, it is characterised in that：The hydroelectric generator (8) is by wire
It is connected with voltmeter (12).
5. flow dynamic demonstration device according to claim 1, it is characterised in that：The display screen (14) is by wire and control
Device (13) processed is connected.
6. flow dynamic demonstration device according to claim 1, it is characterised in that：The immersible pump (5) and voltage regulator
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214579.5A CN106710380B (en) | 2017-04-01 | 2017-04-01 | Flow dynamic demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214579.5A CN106710380B (en) | 2017-04-01 | 2017-04-01 | Flow dynamic demonstration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106710380A true CN106710380A (en) | 2017-05-24 |
| CN106710380B CN106710380B (en) | 2019-02-12 |
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ID=58887218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710214579.5A Expired - Fee Related CN106710380B (en) | 2017-04-01 | 2017-04-01 | Flow dynamic demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710380B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149741Y (en) * | 2007-08-17 | 2008-11-12 | 刘怀峰 | Demonstration device for machinery work-applying principle of steam engine, hydraulic turbine and windmill |
| KR20110123832A (en) * | 2010-05-10 | 2011-11-16 | 김성훈 | Water waves generator apparatus |
| CN102280051A (en) * | 2010-06-13 | 2011-12-14 | 上海市南洋中学 | Energy cycle demonstration device |
-
2017
- 2017-04-01 CN CN201710214579.5A patent/CN106710380B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149741Y (en) * | 2007-08-17 | 2008-11-12 | 刘怀峰 | Demonstration device for machinery work-applying principle of steam engine, hydraulic turbine and windmill |
| KR20110123832A (en) * | 2010-05-10 | 2011-11-16 | 김성훈 | Water waves generator apparatus |
| CN102280051A (en) * | 2010-06-13 | 2011-12-14 | 上海市南洋中学 | Energy cycle demonstration device |
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| Publication number | Publication date |
|---|---|
| CN106710380B (en) | 2019-02-12 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190510 Address after: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: Anhui Eagle Dragon Industrial Design Co., Ltd. Address before: 276700 Room 204, Row 2, No. 5 Huimin Street, Linshu County, Linyi City, Shandong Province Patentee before: Lu Yichen |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191119 Address after: 210000 South District, Lishui Economic Development Zone, Nanjing City, Jiangsu Province (yongyang town) Patentee after: Nanjing Dade Science and Educational Equipment Co., Ltd. Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Patentee before: Anhui Eagle Dragon Industrial Design Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20210401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |