CN209373915U - A kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision - Google Patents
A kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision Download PDFInfo
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- CN209373915U CN209373915U CN201821918542.7U CN201821918542U CN209373915U CN 209373915 U CN209373915 U CN 209373915U CN 201821918542 U CN201821918542 U CN 201821918542U CN 209373915 U CN209373915 U CN 209373915U
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Abstract
The utility model discloses a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provisions, it include: SX-1 type signal source, red end binding post is connected with probe among SX-1 type signal source, left side red end binding post is connected by conducting wire with the quasi- disk of electricity with the black termination terminal in the right, a pair of of parallelogram lindage is installed below the quasi- disk of electricity, the SX-1 type signal source upper left side is equipped with frequency adjusting knob, export adjusting knob and range adjusting knob, there is voltage display above right side, lower right-hand side has signal source switch, and SX-1 type signal source and the quasi- disk of electricity respectively draw a conducting wire and are connected with data processor, coordinate and voltage are installed than display and image display panel on data processor.The utility model has the advantages that: the leveling and height-regulating of instrument are realized, error in reading is avoided by the display of coordinate, and the display mode of voltage ratio prevents the problem of laboratory apparatus is because of long-term use bring actual output voltage decline.
Description
Technical field
The utility model is to be related to a kind of hydraulic experiment instrument, concretely relates to a kind of improved seepage flow under pressure water
Electrical analogy experimental provision.
Background technique
Seepage flow under pressure hydroelectric analoguesi-mulation experiment is the important experiment in hydraulic experiment teaching and scientific research.It is each using seepage flow
Physical quantity and its relational expression are corresponding with each physical quantity of electric current and its relationship, make its galvanic areas and the flow domain geometric similarity and
Boundary condition is similar, and two kinds of flow fields are all satisfied Laplace's equation, by measuring the physical quantity of electric current, seeks its corresponding seepage flow object
Reason amount.With a kind of simple and easy experimental method, the physical quantity of another more difficult measurement is simulated, advantages are easy to spread.
But there are problems for current seepage flow under pressure hydroelectric analoguesi-mulation experiment.Screw knob tune must be passed through before testing first
Flat laboratory apparatus, but this process not only takes a long time and more difficult leveling, but also the non-adjustable of laboratory apparatus height also increases survey
The difficulty of point is unfavorable for the progress of experiment；Secondly need with the naked eye to read the transverse and longitudinal axis under the quasi- glass plate of electricity in reading process
Coordinate values, but since light passes through the refraction of glass plate and conduction liquid, the data of reading there will necessarily be certain error；In addition
Although SX-1 type signal source display output 10V voltage, since long-term uses so that actual output voltage may be less than 9V, greatly
The accuracy of experiment is affected greatly;There are also be exactly student according to when the point-rendering seepage flow drift net surveyed often because of institute's measured data
The problems such as point is insufficient or graphic capability and method are short of causes drawn seepage flow drift net inaccuracy, thus influence seepage flow flow,
The calculated result of flow velocity and gross pressure.Therefore, it is existing to overcome to be badly in need of a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision
The problems such as experimental provision is simple and crude, and measurement error is big, and experiment accuracy is low.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation
Laboratory apparatus, efficiently solves that laboratory apparatus leveling is difficult and height is non-adjustable, because of the refraction of glass plate and conduction liquid when reading
Cause error in reading larger, SX-1 type signal source is used for a long time voltage decline and student's hand drawn seepage flow drift net inaccuracy etc. and asks
Topic.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of improved seepage flow under pressure hydroelectric analoguesi-mulation laboratory apparatus, comprising: SX-1 type signal source, among SX-1 type signal source
Red end binding post is connected with probe, and left side red end binding post is connected by conducting wire with the quasi- disk of electricity with the black termination terminal in the right, and electricity is quasi-
A pair of of parallelogram lindage is installed, the SX-1 type signal source upper left side is equipped with frequency adjusting knob, output below disk
There are voltage display in adjusting knob and range adjusting knob, right side top, and lower right-hand side has signal source switch, and SX-1 type signal
Source and the quasi- disk of electricity respectively draw a conducting wire and are connected with data processor.
The electricity intends disk and is equipped with pressure sensor, is carved with the related scale of X, Y-axis thereon, is with glass around the quasi- disk of electricity
Glass boundary wall is made close to signal source side boundary of conductive copper plate, and centre is equipped with a gate.
Processor switch, coordinate and voltage are installed than display on the data processor, display thereon is current to be visited
Needle surveys the voltage of the coordinate and institute's measuring point put on the quasi- disk of electricity and the ratio of actual output voltage, the figure shown on image display panel
It seem that can draw equipotential lines and streamline with the coordinate diagram of Aspect Ratio with the quasi- disk of electricity.
The parallelogram lindage is by the rack strong rod that connects with pedestal, the frame linking of the left and right being connected with rack strong rod two
Strong rod and the company's strong rod being connected with two frame linking strong rods of left and right form, and four bars are connected by tightening hinge, even affixed electricity on strong rod
Quasi- disk, and frame linking strong rod is respectively and fixedly connected with fixed strong rod at left and right sides of the parallelogram lindage of two pairs of front and back.
Compared with prior art, the utility model has the beneficial effects that
The utility model by installation two pairs of parallelogram lindages, not only facilitate instrument leveling and also realize height can
It adjusts, the coordinate and voltage that in addition probe measures are than data meeting real-time display in coordinate and voltage than on display, avoiding reading
Error, and the ratio of coordinate and voltage than current surveyed voltage and actual output voltage are shown on display, in this way may be used
The problem of causing voltage to decline to avoid the long-time service of SX-1 type signal source, there are also the image display panel foots measured by record
The equal voltages of more than enough quantity draw equipotential lines and streamline automatically than coordinate points, efficiently solve student's hand drawn seepage flow drift net
The problem of inaccuracy, is conducive to the progress of calculating and the research of the experiment related content of next step.
Detailed description of the invention
Fig. 1 is the integrally-built schematic diagram of the utility model.
Fig. 2 is the front elevation of parallelogram lindage and coupled associated components.
Fig. 3 is the side view of parallelogram lindage and coupled associated components.
Illustrate the meaning of label: 1-SX-1 type signal source；2- frequency adjusting knob；3- exports adjusting knob；4- range tune
Save knob；5- voltage display screen；6- signal source switch；7- red end binding post；The black termination terminal of 8-；9- conducting wire；10- probe；11-
The quasi- disk of electricity；12- Glazed fence wall；13- conductive copper plate；14- gate；15- data processor；16- image display；At 17-
Manage device switch；18- coordinate and voltage compare display；19- parallelogram lindage；20- pedestal；21- fixes strong rod；1901- tightening
Hinge；1902- connects strong rod；1903- frame linking strong rod；1904- rack strong rod.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation laboratory apparatus, comprising: SX-1 type signal source 1, SX-1
The intermediate red end binding post 7 of type signal source 1 is connected with probe 10, and probe 10 connects for measuring voltage on the quasi- disk 11 of electricity, left side red end
Terminal 7 is connected by conducting wire 9 with the quasi- disk 11 of electricity with the black termination terminal 8 in the right, is equipped with a pair of of parallel four-bar below the quasi- disk 11 of electricity
Mechanism 19,1 upper left side of SX-1 type signal source are equipped with frequency adjusting knob 2, output adjusting knob 3 and range and adjust rotation
There are voltage display 5 in button 4, right side top, and lower right-hand side has signal source switch 6, and SX-1 type signal source 1 and the quasi- disk 11 of electricity are respectively
A conducting wire 9 is drawn to be connected with data processor 15.
The quasi- disk 11 of electricity is equipped with pressure sensor, is carved with the related scale of X, Y-axis thereon, can measure the pressure of probe 10
And coordinate information is timely feedbacked, it is with Glazed fence wall 12 around the quasi- disk 11 of electricity, close to signal source side boundary conductive copper
Plate 13 is made, and centre is equipped with a gate 14.
Processor switch 17, coordinate and voltage are installed than display 18, for showing on the data processor 15
The coordinate and voltage ratio of 10 measuring points of current probe, voltage is than referring to the voltage in current coordinate point than actual output voltage
Percentage, the image shown on image display panel 16 is the coordinate diagram with the quasi- disk 11 of electricity with Aspect Ratio, when probe 10 surveys seat
The voltage ratio of punctuate is 0.9,0.8 ..., shows the point on corresponding coordinate point on a display screen when the whole voltage ratio such as 0.1, when measuring
Corresponding equipotential line is just drawn when the point of the equal voltages ratio of sufficient amount of requirement of meeting a cassation, when having drawn 0.9H,
Streamline just is drawn automatically according to the characteristic of drift net after all potential lines of 0.8H ..., 0.1H, forms the accurate seepage flow drift net of a width
Figure.
As shown in Figure 2,3, parallelogram lindage 19 is by the rack strong rod 1904 that connects with pedestal 20, with rack strong rod 1904
The connected frame linking strong rod 1903 of left and right two and the company's strong rod 1902 being connected with two frame linking strong rods 1903 of left and right form, and four bars are logical
It crosses tightening hinge 1901 to connect, the even affixed quasi- disk 11 of electricity on strong rod 1902, and two pairs of front and back parallelogram lindage, 19 left and right sides
Frame linking strong rod 1903 is respectively and fixedly connected with fixed strong rod 21, and two pairs of parallel and affixed fixed strong rod 21 each other parallelogram lindages 19 are protected
Demonstrate,proved electric quasi- disk 11 always in horizontality, and the frame linking strong rods 1903 of left and right two can the company's of drive strong rod 1902 around rack strong rod
1904 synchronous rotaries, so that quasi- 11 height of disk of electricity is adjustable.
The utility model operating procedure and experimentation:
1,19 frame linking strong rod 1903 of rotating parallel four-bar mechanism adjusts the quasi- disk 11 of electricity and arrives suitable height, then quasi- in electricity
It is deep to 2cm that conducting solution 1 is injected in disk 11, the depth of water is equal everywhere in disk.
2, after being coupled and checking route, signal source switch 6 is pressed, SX-1 type signal source 1 is opened, by range adjusting knob 4
The position 10V is rotated to, then presses processor switch 17, opens data processor 15.
3, probe 10 is contacted with upstream confluence conductive copper plate 13, rotates the output adjusting knob 3 of SX-1 type signal source 1,
So that the pointer of ammeter display 5 is directed toward 10V, then moves on to probe 10 at the confluence conductive copper plate 13 of upstream, at this time coordinate and electricity
Voltage ratio in pressure ratio display 18 should be shown as 0.
4, the equipotential lines for such as first surveying 0.9H is slided probe 10, when coordinate and voltage in the quasi- disk 11 of electricity along grain direction
The coordinate and voltage ratio can be automatically recorded than image display panel 16 when voltage ratio is shown as 0.9 in display 18 and are sat in screen
It marks on a map upper display point, then traveling probe 10 finds voltage than other points for 0.9 again, when finding foot on the quasi- disk 11 of electricity
The equipotential lines of 0.9H can be drawn out when the voltage of more than enough quantity is than coordinate points for 0.9 on image display panel 16 automatically.
5, step 4 is repeated, sequentially finding voltage ratio is 0.8,0.7 ..., 0.1 enough data points, image display panel
It can be successively drawn on 16 with voltage than corresponding 0.8H, the equipotential lines of 0.7H ..., 0.1H.It is drawn when on image display panel 16
Streamline can be drawn according to the characteristic of drift net after complete all equipotential lines, ultimately form the seepage flow flow-net diagram of a width complete and accurate, most
It from the seepage flow flow-net diagram drawn on copy image display screen 16 in data processor or can be directly connected to print with USB flash disk afterwards
Machine prints, to carry out the next meter about contents such as seepage flow flow, flow velocity and gross pressures according to seepage flow flow-net diagram
It calculates.
The utility model is realized instrument leveling weighing apparatus and is adjusted by the lower two pairs of parallelogram lindages 19 consolidated of the quasi- disk 11 of electricity
Highly, the coordinate that probe 10 measures also no longer is needed by complicated reading, and surveyed coordinate and voltage can be shown in real time than data
Show in coordinate and voltage than on display 18, avoiding error in reading, and the display mode of voltage ratio both current surveyed voltage and
The ratio of total voltage can be used for a long time the problem of causing voltage to decline to avoid SX-1 type signal source 1, also facilitate equipotential lines
Determine, image display panel 16 by record the equal voltages of measured enough quantity than point coordinate come it is automatic draw equipotential lines with
And streamline, efficiently solve the problems, such as student's hand drawn seepage flow drift net inaccuracy, and be conducive to accurate according to what is drawn
Seepage flow flow-net diagram carries out next calculating and research about contents such as seepage flow flow, flow velocity and gross pressures.It is this improved
Seepage flow under pressure hydroelectric analoguesi-mulation experimental provision overcomes the problems such as previous experimental provision is simple and crude, and measurement error is big, and experiment accuracy is low,
Be conducive to use and promote.
The basic principles and main features, working method and advantage of the utility model have been shown and described above.The industry
Technical staff is not it should be appreciated that above-described embodiment limits the utility model, all use equivalent replacement or equivalent change in any form
The mode changed technical solution obtained, all falls in the protection scope of the utility model.It is not said involved in the utility model
Bright part is same as the prior art or is realized using the prior art.
Claims (5)
1. a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision, it is characterized in that: including: SX-1 type signal source (1), SX-1 type
Two row buttons up and down are provided in signal source (1), the first row is followed successively by frequency adjusting knob (2) from left to right, output adjusts rotation
Button (3), range adjusting knob (4) and voltage display (5), the second row are followed successively by two red end binding posts (7), black from left to right
Terminate terminal (8) and signal source switch (6)；
SX-1 type signal source (1) and electricity quasi- disk (11) respectively draw a conducting wire (9) and are connected with data processor (15)；
First red end binding post (7) is connected by conducting wire (9) with electricity quasi- disk (11) with black termination terminal (8), second red end
Binding post (7) is connected with probe (10), and the electricity intends disk (11) and is equipped with pressure sensor, is carved with the correlation of X, Y-axis thereon
Scale can measure the pressure of probe (10) and timely feedback coordinate information, and the data processor is equipped with place on (15)
Manage device switch (17), coordinate and voltage shows that current probe (10) is surveyed and electric intend putting on disk (11) thereon than display (18)
The ratio of the voltage and actual output voltage of coordinate and institute's measuring point, the figure shown on the image display panel (16) on data processor
Seem the coordinate diagram with electricity quasi- disk (11) with Aspect Ratio, draws equipotential lines and streamline.
2. a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision according to claim 1, it is characterized in that: the quasi- disk of electricity
(11) Glazed fence wall (12) are with around, are made close to SX-1 type signal source side boundary of conductive copper plate (13), and should
One gate (14) are installed among side.
3. a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision according to claim 1, it is characterized in that: the quasi- disk of electricity
(11) lower section is equipped with a pair of of parallelogram lindage (19).
4. a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision according to claim 3, it is characterized in that: described is flat
Row four-bar mechanism (19) includes the rack strong rod (1904) to connect with pedestal (20), the left and right two being connected with rack strong rod (1904)
A frame linking strong rod (1903), the company's strong rod (1902) being connected with two frame linking strong rods (1903) of left and right, and above four bar passes through tightly
Determine hinge (1901) to connect, even affixed electricity is quasi- disk (11) on strong rod (1902).
5. a kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision according to claim 4, it is characterized in that: two pairs of front and back
Frame linking strong rod (1903) is respectively and fixedly connected with fixed strong rod (21) at left and right sides of parallelogram lindage (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918542.7U CN209373915U (en) | 2018-11-21 | 2018-11-21 | A kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918542.7U CN209373915U (en) | 2018-11-21 | 2018-11-21 | A kind of improved seepage flow under pressure hydroelectric analoguesi-mulation experimental provision |
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| CN209373915U true CN209373915U (en) | 2019-09-10 |
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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 |
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2018
- 2018-11-21 CN CN201821918542.7U patent/CN209373915U/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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Granted publication date: 20190910 Termination date: 20201121 |