CN206322391U - A kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure - Google Patents
A kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure Download PDFInfo
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- CN206322391U CN206322391U CN201621284334.7U CN201621284334U CN206322391U CN 206322391 U CN206322391 U CN 206322391U CN 201621284334 U CN201621284334 U CN 201621284334U CN 206322391 U CN206322391 U CN 206322391U
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Abstract
The utility model discloses a kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure, including：Experiment plate, the electricity being placed on experiment plate intends disk, is placed on experiment plate and intends positioned at electricity the automatic leveling component of disk lower end, and the coordinate display that electricity intends disk is connected to by wire, is connected to the signal source that electricity intends disk, is connected to the probe of signal source.The utility model provides a kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure, this experimental provision carries out leveling by self-level(l)ing device to experiment plate, ammeter in the type signal sources of SX 1 directly surveys the voltage for reading contact point, the coordinate of contact point is read in coordinate display, so that data are more accurate, experiment accuracy is improved, student's operation is more convenient to.
Description
Technical field
It is related to a kind of experimental provision, particularly a kind of experimental provision of hydraulics teaching.
Background technology
Water power simulated experiment is a kind of physical simulation experiment designed according to the water power principle of similitude, can intuitively be reflected
The percolation law of fluid, and being tested to the accuracy of analytic solutionand numerical solution, is important in hydraulics teaching process
Process.The hydroelectric analoguesi-mulation experiment of hydraulics teaching seepage flow under pressure is according to there is mathematically similar between seepage flow and electric current
Property, because both flow fields can be described with Laplace's equation, so can mutually be compared between its corresponding physical quantity.Cause
This, the hydroelectric analoguesi-mulation of hydraulics seepage flow under pressure experiment is essential content in hydraulics teaching link.
At present, the hydroelectric analoguesi-mulation experiment based on hydraulics teaching seepage flow under pressure, its experimental provision is simple and crude, and measurement accuracy is low,
Experimental error is larger.For the hydroelectric analoguesi-mulation experimental provision of the conventional hydraulics seepage flow under pressure of experiment, there is following weak point：Student
By knob come leveling instrument；In measurement process, Vertrical probe measuring point tilts probe reader, when tilting probe, easily goes out
Existing probe sliding phenomenon, and end of probe is to be covered in top a little so that and the position of point is to estimate reading, and light is in water
Propagation can reflect.Under the collective effect of these factors, the point that student finally measures exists larger with actual point
Error.More than being based on, market needs a kind of measurement accurate, easy to operate, the device for being easy to experimental teaching to demonstrate.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is the provision of a kind of hydraulics teaching seepage flow under pressure
Hydroelectric analoguesi-mulation experimental provision, this experimental provision carries out leveling by self-level(l)ing device to experiment plate, in SX-1 type signal sources
Ammeter directly survey the voltage for reading contact point, the coordinate of contact point is read in coordinate display so that data are more accurate, improved
Experiment accuracy, is more convenient to student's operation.
In order to realize above-mentioned target, the utility model is adopted the following technical scheme that：
A kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure, including：Experiment plate, the electricity being placed on experiment plate
Intend disk, be placed on experiment plate and intend positioned at electricity the automatic leveling component of disk lower end, being connected to the electric coordinate for intending disk by wire shows
Show device, be connected to the signal source that electricity intends disk, be connected to the probe of signal source.
A kind of hydroelectric analoguesi-mulation experimental provision of foregoing hydraulics teaching seepage flow under pressure, electricity, which intends disk composition, to be had：It is connected to seat
The pressure sensor base plate of display is marked, the non-conductive surfaces located at pressure sensor base plate upper end are made with electrically non-conductive material
Two lateral boundaries, the flow field upstream and downstream border made with conductive material.
A kind of hydroelectric analoguesi-mulation experimental provision of foregoing hydraulics teaching seepage flow under pressure, signal source is SX-1 type signal sources.
A kind of hydroelectric analoguesi-mulation experimental provision of foregoing hydraulics teaching seepage flow under pressure, SX-1 types signal source composition has：Frequently
Rate regulating part, exports regulating part, range regulating part, voltage display, SX-1 signal source switches, red line binding post, red end wiring
Post, black termination terminal.
A kind of hydroelectric analoguesi-mulation experimental provision of foregoing hydraulics teaching seepage flow under pressure, red terminal binding post is connected to electric plan
The upstream copper coin binding post of disk, black termination terminal is connected to the downstream copper coin binding post that electricity intends disk, and red end binding post is connected to spy
Pin.
A kind of hydroelectric analoguesi-mulation experimental provision of foregoing hydraulics teaching seepage flow under pressure, automatic leveling component composition has：Put
In the automatic leveling switch on experiment plate, the air level being placed on experiment plate, the leveling knob located at experiment plate lower end.
A kind of hydroelectric analoguesi-mulation experimental provision of foregoing hydraulics teaching seepage flow under pressure, coordinate display composition has：X-coordinate
Display, Y coordinate display, coordinate zero-setting button, coordinate display switch.
It is of the present utility model to be beneficial in that：The utility model provides a kind of water power of hydraulics teaching seepage flow under pressure
Analogy experimental provision, this experimental provision carries out the ammeter in leveling, SX-1 type signal sources by self-level(l)ing device to experiment plate
Directly survey in the voltage for reading contact point, coordinate display and read the coordinate of contact point so that data are more accurate, improve experiment
Accuracy, is more convenient to student's operation.
Brief description of the drawings
Fig. 1 is a kind of front view of embodiment of the present utility model；
Fig. 2 is a kind of front view of embodiment of the utility model signal source；
Fig. 3 is a kind of front view of embodiment of the utility model coordinate display；
The implication of reference in figure：
1 signal source, 2 coordinate displays, 3 wires, 4 probes, 5 air levels, 6 experiment plates, 7 electricity intend disk, 8 leveling
Knob, 9 frequency regulating parts, 10 output regulating parts, 11 range regulating parts, 12 voltage displays, 13 SX-1 signal sources are opened
Close, 14 red line binding posts, 15 red end binding posts, 16 black termination terminals, 17 X-coordinate displays, 18 Y coordinate displays, 19
Coordinate zero-setting button, 20 coordinate displays switch, 21 automatic levelings switch.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
A kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure, including：Experiment plate 6, is placed on experiment plate 6
Electricity intends disk 7, is placed on experiment plate 6 and intends positioned at electricity the automatic leveling component of the lower end of disk 7, and being connected to electricity by wire 3 intends disk 7
Coordinate display 2, is connected to the signal source 1 that electricity intends disk 7, is connected to the probe 4 of signal source 1.Ammeter in SX-1 types signal source 1
Directly survey in the voltage for reading contact point, coordinate display 2 and read the coordinate of contact point, reach the operation for solving experimental provision and essence
The not enough purpose of exactness.
Electricity, which intends the composition of disk 7, to be had：The pressure sensor base plate of coordinate display 2 is connected to, on pressure sensor base plate
The non-conductive surfaces at end, two lateral boundaries made with electrically non-conductive material, the flow field upstream and downstream border made with conductive material.Electricity is intended
The base plate of disk 7 is made of pressure sensor, and its surface is non-conductive, and pressure sensor is connected by wire 3 with coordinate display 2.
As one kind preferably, electricity plan 7 liang of lateral boundaries of disk are made with nonconducting poly (methyl methacrylate) plate material；Flow field upstream and downstream border is conductive
Material copper coin is made.
As one kind preferably, signal source 1 is SX-1 types signal source 1.The composition of SX-1 types signal source 1 has：Frequency regulating part 9,
Export regulating part 10, range regulating part 11, voltage display 12, SX-1 signals source switch 13, red line binding post 14, red end wiring
Post 15, black termination terminal 16.It should be noted that：Red terminal binding post is connected to the upstream copper coin binding post that electricity intends disk 7, black end
Binding post 16 is connected to the downstream copper coin binding post that electricity intends disk 7, and red end binding post 15 is connected to probe 4；Red terminal binding post position
In the left side, black termination terminal 16 is located at the right, and red end binding post 15 is located at centre.
In order to carry out leveling to experiment plate 6 automatically, automatic leveling composition has：The automatic leveling being placed on experiment plate 6
Switch 21, the air level 5 being placed on experiment plate 6, the leveling knob 8 located at the lower end of experiment plate 6.Air level 5 is placed on experiment plate 6
Portion, when self-level(l)ing device misalignment or damage, then should be defined by air level 5.
The composition of coordinate display 2 has：X-coordinate display 17, Y coordinate display 18, coordinate zero-setting button 19, coordinate is shown
Device switch 20.
This experimental provision operating procedure and running：
1st, start the automatic leveling switch 21 on experiment plate 6, experiment plate 6 is adjusted to level, can be from the observation of air level 5
No level.Injected clear water in disk（Salt solution）1~2cm is deep, and the depth of water is equal everywhere in disk.
2nd, the boundary profile that electricity intends disk 7 is plotted on squared paper with proper proportion.
3rd, it is coupled and checks after circuit, by signal source 1 and power on, while range switch is rotated to 10V position.
4th, probe 4 is contacted with upstream cylinder manifold.The output adjusting knob in rotating signal source 1, points to the pointer of ammeter
At 10V, then, probe 4 is moved at the cylinder manifold of upstream, now the pointer of ammeter should point to 0V.
5th, it is coupled and checks after circuit, by coordinate display 2 and power on, selects a rational contact point and will visit
Pin 4 is in contact with the point, while pressing coordinate zero-setting button 19 so that the point is coordinate origin.
6th, difference each bar equipotential line of testing.For example first survey 9V equipotential line.By probe 4, edge is flowed in experiment plate 6
Direction slide, when the pointer of ammeter refers in 9V, read the coordinate of the point from coordinate display 2, record or directly general
The position coordinate value point is painted on squared paper, here it is on 9V equipotential lines a point.Traveling probe 4 can find its of 9V again
It point.These points are linked to be curve, is exactly 9V equipotential line, that is, simulates 0.9H equation line.
7th, repeat step 6, can find out 8V, 7V, 6V ... ..., 1V some equipotential lines.0.8H, 0.7H are simulated,
0.6H ... ..., 0.1H equipotential lines.
8th, streamline is described according to the characteristic of drift net.
The utility model provides a kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure, and this experimental provision leads to
Cross self-level(l)ing device and leveling is carried out to experiment plate 6, the ammeter in SX-1 types signal source 1 directly surveys the voltage for reading contact point, sit
Mark the coordinate that contact point is read on display 2 so that data are more accurate, improve experiment accuracy, are more convenient to student
Operation.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent or equivalent transformation
The technical scheme obtained, all falls within protection domain of the present utility model.
Claims (7)
- The hydroelectric analoguesi-mulation experimental provision of seepage flow under pressure 1. a kind of hydraulics is imparted knowledge to students, it is characterised in that including：Experiment plate, is placed in The electricity stated on experiment plate intends disk, is placed on above-mentioned experiment plate and intends positioned at electricity the automatic leveling component of disk lower end, connected by wire The coordinate display that electricity intends disk is connected to, the signal source that above-mentioned electricity intends disk is connected to, is connected to the probe of above-mentioned signal source.
- The hydroelectric analoguesi-mulation experimental provision of seepage flow under pressure 2. a kind of hydraulics according to claim 1 is imparted knowledge to students, it is characterised in that Above-mentioned electricity, which intends disk composition, to be had：The pressure sensor base plate of above-mentioned coordinate display is connected to, located at above-mentioned pressure sensor base plate The non-conductive surfaces of upper end, two lateral boundaries made with electrically non-conductive material, the flow field upstream and downstream border made with conductive material.
- The hydroelectric analoguesi-mulation experimental provision of seepage flow under pressure 3. a kind of hydraulics according to claim 1 is imparted knowledge to students, it is characterised in that Above-mentioned signal source is SX-1 type signal sources.
- The hydroelectric analoguesi-mulation experimental provision of seepage flow under pressure 4. a kind of hydraulics according to claim 3 is imparted knowledge to students, it is characterised in that Above-mentioned SX-1 types signal source composition has：Frequency regulating part, exports regulating part, range regulating part, voltage display, SX-1 signal sources Switch, red line binding post, red end binding post, black termination terminal.
- The hydroelectric analoguesi-mulation experimental provision of seepage flow under pressure 5. a kind of hydraulics according to claim 4 is imparted knowledge to students, it is characterised in that Above-mentioned red terminal binding post is connected to the upstream copper coin binding post that electricity intends disk, and above-mentioned black termination terminal is connected to the downstream that electricity intends disk Copper coin binding post, above-mentioned red end binding post is connected to probe.
- The hydroelectric analoguesi-mulation experimental provision of seepage flow under pressure 6. a kind of hydraulics according to claim 1 is imparted knowledge to students, it is characterised in that Above-mentioned automatic leveling component composition has：The automatic leveling switch being placed on above-mentioned experiment plate, the level being placed on above-mentioned experiment plate Bubble, the leveling knob located at experiment plate lower end.
- The hydroelectric analoguesi-mulation experimental provision of seepage flow under pressure 7. a kind of hydraulics according to claim 1 is imparted knowledge to students, it is characterised in that Above-mentioned coordinate display composition has：X-coordinate display, Y coordinate display, coordinate zero-setting button, coordinate display switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284334.7U CN206322391U (en) | 2016-11-28 | 2016-11-28 | A kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284334.7U CN206322391U (en) | 2016-11-28 | 2016-11-28 | A kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure |
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| CN206322391U true CN206322391U (en) | 2017-07-11 |
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| CN201621284334.7U Expired - Fee Related CN206322391U (en) | 2016-11-28 | 2016-11-28 | A kind of hydroelectric analoguesi-mulation experimental provision of hydraulics teaching seepage flow under pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462566A (en) * | 2020-04-23 | 2020-07-28 | 安徽理工大学 | Simulation demonstration experiment device based on strong water-permeable belt influences seepage flow net |
-
2016
- 2016-11-28 CN CN201621284334.7U patent/CN206322391U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462566A (en) * | 2020-04-23 | 2020-07-28 | 安徽理工大学 | Simulation demonstration experiment device based on strong water-permeable belt influences seepage flow net |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20191128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |