CN208039147U - A kind of simulation transient reliability automatic control test device - Google Patents
A kind of simulation transient reliability automatic control test device Download PDFInfo
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- CN208039147U CN208039147U CN201820453572.9U CN201820453572U CN208039147U CN 208039147 U CN208039147 U CN 208039147U CN 201820453572 U CN201820453572 U CN 201820453572U CN 208039147 U CN208039147 U CN 208039147U
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- magnetic strength
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- water tank
- runing rest
- dam break
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Abstract
A kind of simulation transient reliability automatic control test device, including water storage device, magnetic strength control system and flow velocity measuring system；The water storage device includes water tank, level measuring scale, simulation dam break body, the first runing rest, the second runing rest, the first magnetic strength device, the second magnetic strength device and downstream unit；The level measuring scale is located inside water tank and is close to tank wall, and the first magnetic strength device and the second magnetic strength device are located in the inner wall of water tank both sides；First runing rest and the second runing rest are for connecting water tank and simulation dam break body；Water tank both sides are equipped with cross sealed item with simulation dam break body contact site.The utility model realizes the quick measurement of hydraulic pressure distribution in downstream after dam break flow and dam break in simulation dam-break experiments, and simple in structure, high degree of automation is easy to operate.
Description
Technical field
The utility model belongs to hydroelectric project dam dam-break experiments field, and in particular to a kind of simulation transient reliability is controlled automatically
Experimental rig processed.
Background technology
Recent decades, to make full use of water resource, people to build numerous reservoir dams on natural river, and more
Come more dams it is under construction or planning among.Reservoir dam plays human society and expanding economy extremely important
Impetus, but it is easy to happen dam break event due to building rational make rational planning for of dam shortage in early days, calamity can be caused to downstream
The consequence of difficulty.Seriousness based on dam-breach consequence all over the world gives the safety problem of dam the attention of height.
Since 19th century, scholars grind from theory analysis, physical experiments, numerical simulation, calculation of dam failure flood model respectively
Study carefully, Dam Break Problems are studied in detail in historical summary statistical analysis etc..In recent years, national governments carry out emphatically again
Dam break risk assessment, dam monitoring and early warning system exploitation, emergency preplan are formulated and the researchs such as mechanism of collapsed dam.
Although Dam Break Problems research is mainly based on numerical simulation and historical summary statistical analysis, physical experiments are still
It is to study the indispensable technological means of Dam Break Problems.Dam break model test results can not only make up dam break historical summary in number
Limitation in amount and reliability, also can provide verify data for numerical simulation.
The purpose of dam bursting flood research is to calculate the flow for the dam site that bursts, and documents CN201320287174.1 is disclosed
Simulate the experimental trough device of moment whole dam break.What the device can simulate that dam moment in Dam Break Problems all bursts asks
Topic.Human error is reduced, improves the repeatability of experiment, but the flow parameter under transient reliability cannot be measured.
It is accurate to measure dam break flow and dam break it is therefore desirable to design a kind of simulation transient reliability automatic control test device
Downstream hydraulic pressure distribution situation afterwards.
Invention content
The utility model provides a kind of simulation transient reliability automatic control test device.This device can be instantaneous in simulation
In the case of dam break, dam break flow and downstream hydraulic pressure distribution situation after quick obtaining dam break measure.
In order to solve the above-mentioned technical problem, the utility model proposes following technical schemes：A kind of simulation transient reliability is automatic
Control experiment device, including water storage device, magnetic strength control system and flow velocity measuring system；The water storage device include water tank,
Level measuring scale, simulation dam break body, the first runing rest, the second runing rest, the first magnetic strength device, the second magnetic strength device and
Downstream unit；The level measuring scale is located inside water tank and is close to tank wall, the first magnetic strength device and the second magnetic strength device
It is located in the inner wall of water tank both sides；First runing rest and the second runing rest are burst for connecting water tank with simulation
Dam body；Water tank both sides are equipped with cross sealed item with simulation dam break body contact site；The flow velocity measuring system includes multiple surveys
Fast instrument, fixing bolt, fixing bracket, intermediate rail and computer, the tachymeter are fixed by fixing bolt across intermediate rail
It is connect with computer on fixing bracket, and by the second data line.
Further, the first magnetic strength device include magnetic strength core, magnetic induction loop, magnet side, first data transmission line and
Computer；The magnet side be located at simulation dam break body in, while with magnetic strength core, magnetic induction loop is corresponding, form magnetic sensible switch；Institute
It is identical as the first magnetic strength apparatus structure to state the second magnetic strength device；First magnetic strength device and the second magnetic strength device pass through the first number respectively
It is connect with computer according to transmission line.
Further, simulation transient reliability automatic control test device further includes water pressure sensing device, the water pressure sensing
Device includes multigroup water pressure inductor, and the water pressure inductor is connect by third data line with computer.
Further, the first magnetic strength device and the second magnetic strength device are flush type, are located at water tank two sides
Center, corresponding magnet side are located at simulation dam break body both sides center；First magnetic strength device and the second magnetic strength device and magnetic
Iron side center is located in same horizontal line, and the two is provided commonly for control simulation dam break body.
Further, it is strip intermediate rail inside the fixing bracket, is suitable for multiple tachymeters when different water depth
Can corresponding adjusting position, the width of intermediate rail is consistent with fixing bolt diameter；Fixing bracket is located among water tank, tightly
By simulating dam break body.
Further, the cross sealed strip is the sealing device being mutually twisted.
Further, the downstream unit bottom shape is trapezoidal.
Further, first runing rest is L-type, and first runing rest one end is fixed on water tank side wall, separately
One end is located in the rotating hole of simulation dam break body bottom edge；Second runing rest is identical as the first rotary bracket structure.
The beneficial effects of the utility model：Under the conditions of the experimental rig can simulate transient reliability, realize to dam break flow
The quick measurement being distributed with downstream hydraulic pressure after dam break.The device flow velocity measuring system, downstream water pressure sensing device and computer
Integration connection is, it can be achieved that, quickly measurement accurate to dam break parameter after transient reliability.The utility model is simple in structure, automation
Degree is high, easy to operate, convenient for quickly measuring performance parameters after transient reliability.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the utility model experimental rig structural schematic diagram.
Fig. 2 is 6 structure chart of the first magnetic strength device.
Fig. 3 is flow velocity measuring system schematic diagram.
Fig. 4 is the first rotary bracket structure figure.
Fig. 5 is 24 structure chart of cross sealed item.
Specific implementation mode
As shown in Fig. 1~5, a kind of simulation transient reliability automatic control test device, including water storage device, magnetic strength control system
System, flow velocity measuring system, water pressure sensing device；The water storage device used includes water tank 2, and level measuring scale 5 simulates dam break
Body 23, the first runing rest 20, the second runing rest 29, the first magnetic strength device 6, the second magnetic strength device 11 and downstream unit 3；Make
Level measuring scale 5 is located at 2 inside of water tank and is close to tank wall, the first magnetic strength device 6 and the second magnetic strength device 11 difference
In 2 both sides inner wall of water tank, the first runing rest 20 and the second runing rest 29 are for connecting water tank 2 and simulation dam break
Body 23；2 both sides of water tank are equipped with cross sealed item 24 with 23 contact site of simulation dam break body.
The the first magnetic strength device 6 used is by magnetic strength core 8, magnetic induction loop 9, magnet side 10, first data transmission line 7 and calculates
Machine 1 forms, and the magnet side 10 used is located in simulation dam break body 23, at the same with magnetic strength core 8, magnetic induction loop 9 is corresponding, forms magnetic
Sense switch, the actuation active force for controlling simulation dam break body 23 and 2 side wall of water tank；The the second magnetic strength device 11 used and
One magnetic strength device, 6 structure is identical；First magnetic strength device 6 and the second magnetic strength device 11 pass through first data transmission line 7 and meter respectively
Calculation machine 1 connects.
How general the flow velocity measuring system used is including more than 13, second general row tachymeter 14 of more than first general row tachymeters, third
Row tachymeter 15, fixing bolt 16, fixing bracket 12, intermediate rail 17, the second data line 18 and computer 1, use
During more than 13, second general row tachymeter 14 of general row tachymeter more than first and the how general row tachymeter 15 of third are passed through by fixing bolt 16
Between guide rail 17 be fixed on fixing bracket, and connect with computer 1 by the second data line 18；
Water pressure sensing device includes left bank water pressure inductor 27, intermediate water pressure inductor 25, the induction of right bank water pressure
Totally three groups of device 26；Every group includes three water pressure inductors, and equal spacing is h, and wherein h is water depth in water tank 2.It uses
Left bank water pressure inductor 27, intermediate water pressure inductor 25, right bank water pressure inductor 26 passed by third data respectively
Defeated line 28 is connect with computer 1.
1 model of the computer association Lenovo used opens a day M4550；General row tachymeter 13, second more than first used
How general 15 model of row tachymeter of mostly general row tachymeter 14, third is FLOW-3L；The left bank water pressure inductor 27 that uses, in
Between water pressure inductor 25,26 model of right bank water pressure inductor be respectively pellet footpath between fields DMKY.
3 bottom shape of downstream unit used is trapezoidal, and material is transparent plastic sheet.Ladder-shaped apparatus simulate true reservoir and
Design, downstream side is 1.5 times of the upstream length of side
The the first magnetic strength device 6 and the second magnetic strength device 11 used is flush type, is located in 2 two sides of water tank
Heart position, corresponding magnet side 10 are located at 23 both sides center of simulation dam break body；First magnetic strength device 6 and the second magnetic strength device 11
It is located in same horizontal line with 10 center of magnet side, the two is provided commonly for control simulation dam break body 23.
The flow velocity measuring system used is bikini velocity measurement, more than 13, second general row tachymeter of general row tachymeter more than first
14 and how general 15 position of row tachymeter of third be respectively the depth of waterPlace, section water velocityWhereinThe respectively depth of waterThe water flow velocity that place is measured through tachymeter
Degree.
The inside of fixing bracket 12 used is strip intermediate rail 17, and the first tachymeter 13, second is surveyed when different water depth
Fast instrument 14 and third tachymeter 15 can corresponding adjusting position, the width of intermediate rail 17 is consistent with 16 diameter of fixing bolt；
Fixing bracket 12 is located among water tank 2, against simulation dam break body 23.
24 shape of cross sealed item is the sealing device being mutually twisted, and material is rubber.
Level measuring scale 5 is fixed on resin glue on 2 inner wall of water tank, is highly consistent with water tank 2, Yi Zhongshi
Example is applied by the way of bikini measurement of discharge, 2 height of water tank is conducive to the accuracy of DATA REASONING in 2.0-3.0m.Bikini
The mode of measurement of discharge can need to be changed to two point form, such as h/12 according to experiment, and the position at the h/3 depth of waters is placed general more than two
Row tachymeter.Downstream unit shape is trapezoidal, and material is transparent plastic sheet, and downstream long side is 1.5 times of upstream short side, height
It is the 1/2 of upstream storage tank 2.
Above-mentioned simulation transient reliability automatic control test device, application method are as follows：
(1) start computer 1, check the sealing performance of cross sealed item 24, it is ensured that water tank 2 is water-tight.First magnetic strength
Device 6 and the second magnetic strength device 11, which are powered, to be run, and magnetic induction loop 9 generates enough magnetic force, attracts corresponding magnet side 10.According to
Water level is set, adjustment general row tachymeter more than three is to depth of water h/12, at h/4, h/3.
(2) according to setting water level, water is slowly added into water tank 2, while waterside is added to watch reading attentively, reaches target water level stopping
Add water, read again after stable level, error in reading just calculates stable level no more than 0.1mm twice in succession.
(3) the first magnetic strength device 6 and the second magnetic strength device 11 are controlled by computer 1, it is instantaneous to disconnect 2 both sides magnetic strength of water tank
The power supply of coil 9, simulation dam break body 23 are poured on downstream completely under the action of water pressure, downstream water pressure sensing device from dam site at
Distance be more than simulation dam break body height.
The how general row tachymeter of more than 13, second general row tachymeter 14 of general row tachymeter more than (4) first, third 15 measures three respectively
A flow velocityThe average value of three further obtains section flow Q as active cross-section mean flow rate.The wink of dam break
Between, it is logical through water-flow equation during the measurement of water pressure sensing device and the upland water calculated and the time difference for reaching each inductor
It crosses data line to be passed in computer 1 in real time, point of dam break flow and downstream flow after transient reliability is obtained by analysis
Cloth rule.
(5) different target water level is set, above step is repeated, obtains the dam break parameter after transient reliability under different water levels.
Claims (8)
1. a kind of simulation transient reliability automatic control test device, including water storage device, which is characterized in that further include magnetic strength control
System, flow velocity measuring system；The water storage device includes water tank (2), level measuring scale（5）, simulation dam break body（23）,
One runing rest（20）, the second runing rest（29）, the first magnetic strength device（6）, the second magnetic strength device (11) and downstream unit
（3）；The level measuring scale（5）Positioned at water tank (2) inside and it is close to tank wall, the first magnetic strength device（6）With the second magnetic strength
Device (11) is located in the inner wall of water tank (2) both sides；First runing rest（20）With the second runing rest（29）With
In connection water tank（2）With simulation dam break body（23）；Water tank (2) both sides and simulation dam break body（23）Contact site, which is equipped with, to intersect
Sealing strip（24）；The flow velocity measuring system includes multiple tachymeters（13）, fixing bolt（16）, fixing bracket（12）, it is intermediate
Guide rail（17）And computer（1）, the tachymeter（13）By fixing bolt（16）Across intermediate rail（17）It is fixed on fixed branch
Frame（12）On, and pass through the second data line（18）With computer（1）Connection.
2. simulation transient reliability automatic control test device according to claim 1, which is characterized in that first magnetic strength
Device (6) includes magnetic strength core（8）, magnetic induction loop（9）, magnet side（10）, first data transmission line（7）And computer（1）；It is described
Magnet side（10）Positioned at simulation dam break body（23）In, at the same with magnetic strength core（8）, magnetic induction loop（9）Corresponding, composition magnetic strength is opened
It closes；The second magnetic strength device（11）With the first magnetic strength device（6）Structure is identical；First magnetic strength device（6）It is filled with the second magnetic strength
It sets（11）Pass through first data transmission line respectively（7）With computer（1）Connection.
3. simulation transient reliability automatic control test device according to claim 1, which is characterized in that further include hydraulic pressure sense
It includes multigroup water pressure inductor to answer device, the water pressure sensing device（25）, the water pressure inductor（25）Pass through third
Data line（28）With computer（1）Connection.
4. simulation transient reliability automatic control test device according to claim 2, which is characterized in that first magnetic strength
Device（6）With the second magnetic strength device（11）For flush type, it is located at water tank（2）Two sides center, the magnet side
（10）Positioned at simulation dam break body（23）Both sides center；First magnetic strength device（6）With the second magnetic strength device（11）With magnet side（10）
Center is located in same horizontal line, and the two is provided commonly for control simulation dam break body（23）.
5. simulation transient reliability automatic control test device according to claim 1 or 2, which is characterized in that the fixation
Holder（12）Inside is strip intermediate rail（17）, it is suitable for multiple tachymeters when different water depth（13）It can adjust accordingly
Position, intermediate rail（17）Width and fixing bolt（16）Diameter is consistent；Fixing bracket（12）Positioned at water tank（2）Centre,
Against simulation dam break body（23）.
6. simulation transient reliability automatic control test device according to claim 1 or 2, which is characterized in that the intersection
Sealing strip（24）Shape is the sealing device being mutually twisted.
7. simulation transient reliability automatic control test device according to claim 1 or 2, which is characterized in that the downstream
Device（3）Bottom shape is trapezoidal.
8. simulation transient reliability automatic control test device according to claim 1 or 2, which is characterized in that described first
Runing rest（20）For L-type, the first runing rest（20）One end is fixed on water tank (2) side wall, and the other end is located at simulation and bursts
Dam body（23）Bottom edge rotating hole（19）In；Second runing rest（29）With the first runing rest（20）Structure is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820453572.9U CN208039147U (en) | 2018-04-02 | 2018-04-02 | A kind of simulation transient reliability automatic control test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820453572.9U CN208039147U (en) | 2018-04-02 | 2018-04-02 | A kind of simulation transient reliability automatic control test device |
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| Publication Number | Publication Date |
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| CN208039147U true CN208039147U (en) | 2018-11-02 |
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| CN201820453572.9U Expired - Fee Related CN208039147U (en) | 2018-04-02 | 2018-04-02 | A kind of simulation transient reliability automatic control test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470455A (en) * | 2019-08-31 | 2019-11-19 | 华北水利水电大学 | The physical simulation system and three-dimensional flow field of multiple spot dam bursting flood monitor experimental method |
-
2018
- 2018-04-02 CN CN201820453572.9U patent/CN208039147U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470455A (en) * | 2019-08-31 | 2019-11-19 | 华北水利水电大学 | The physical simulation system and three-dimensional flow field of multiple spot dam bursting flood monitor experimental method |
| CN110470455B (en) * | 2019-08-31 | 2021-02-05 | 华北水利水电大学 | Physical simulation system and three-dimensional flow field monitoring experiment method for multi-point dam break flood |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20181102 Termination date: 20190402 |