CN2225018Y - Automatic meter for measuring sluice of dam - Google Patents
Automatic meter for measuring sluice of dam Download PDFInfo
- Publication number
- CN2225018Y CN2225018Y CN 94244299 CN94244299U CN2225018Y CN 2225018 Y CN2225018 Y CN 2225018Y CN 94244299 CN94244299 CN 94244299 CN 94244299 U CN94244299 U CN 94244299U CN 2225018 Y CN2225018 Y CN 2225018Y
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- dam
- water
- sluice
- water tank
- utility
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Abstract
The utility model relates to an automatic meter for measuring sluice of a dam, belonging to an automatic measuring device for sluice of a dam in a hydroelectric power station. The prior observation of sluice of a dam mainly adopts artificial observation which is with great labor intensity, abominable condition and low measuring accuracy. The automatic meter which is provided by the utility model controls an outlet of a water inlet pipe and a drain valve of a water box by an electromagnet through a connecting rod and a shift lever, the utility model tests sluice of dam automatically. After testing, the utility model draws off sluice automatically, which solves the problem that impurities in sluice affect measuring device. The utility model with simple structure, low cost, large measuring range, and high precision can be widely used in monitoring sluice of a dam of various hydropower stations. The utility model realizes rapid multipoint automatic measurement easily.
Description
The utility model relates to the surveying instrument that the power station dam leaks, and especially dam water leakage automatic measuring instrument belongs to measurement mechanism, instrument.
Dam leak observation be one of big event of power station dam safety monitoring.Present domestic dam aperture leaks to observe and all adopts the artificial observation method, promptly adopts measuring cup, stopwatch to observe, and this method labour intensity is big, condition of work is abominable, measuring accuracy is low.In order to realize automatic observation, must solve three main difficult problems to the dam water leakage: calcareous content height during 1, dam leaks, its deposition back is too big to surveying instrument and precision influence; 2, the vary within wide limits general measure instrument of dam water leakage is difficult to adapt to; 3, dam leaks and observes and must carry out in gallery, and humidity reaches state of saturation in the corridor, therefore must thoroughly solve the moistureproof problem of instrument.Domestic to dam the leak research of observation automation generally adopt weir method, nest wheel flowmeter method and tipping bucket method, but these methods all can't solve above-mentioned Three Difficult Issues simultaneously.
The purpose of this utility model provides a kind of dam water leakage automatic measuring instrument that can solve above Three Difficult Issues simultaneously, realizes the comprehensive automation that dam leaks and observes, and improves the dam safety monitoring level.
Above-mentioned purpose of the present utility model is to adopt following technical scheme to realize: this dam water leakage automatic measuring instrument is matched by electronic control part and measurement mechanism two parts and forms.Electronic control part can be according to field condition and different condition, and line data is handled and record etc. to select for use existing electric circuit or computer controlled measurement device action to go forward side by side.
Dam water leakage automatic measuring instrument described in the utility model only refers to measuring device part.This measurement mechanism is made up of base plate, electromagnet, water feather cockscomb, drainpipe etc., is characterized in being provided with on the top of water tank exporting three parts by water inlet pipe inlet, flexible pipe, water inlet pipe and being communicated with the water inlet pipe that constitutes, and the water inlet pipe outlet is positioned at the top of drainpipe inlet; Be provided with water tank drain valve and tank drains pipe in the bottom of water tank; Electromagnet flexibly connects with water inlet pipe outlet, water tank drain valve respectively by driving lever, connecting rod through pull bar, linkage assembly, make the water inlet pipe outlet leave the drainpipe inlet by pull bar control link mechanism drive driving lever during the electromagnet action and move on to the water tank top, drivening rod is closed water tank drain valve simultaneously; In water tank, also be provided with the liquid level feedback contact.
In water tank, also can be provided with fair water fin.
Accompanying drawing 1 is that the master of an embodiment of the utility model looks the sectional structure synoptic diagram.Fig. 2 is that the sectional structure synoptic diagram is looked on a left side, and Fig. 3 overlooks the sectional structure synoptic diagram.Among the figure: 1 base plate, 2 water tanks, 3 electromagnet, 4 water inlet pipes inlet, 5 flexible pipes, 6 water tank drain valves, 7 tank drains pipes, 8 linkage assemblys, 9 liquid level feedback contacts, 10 drainpipes; 11 fair water fins, 13 crank arm, 12,14 pull bars, 15,16 connecting rods, 17 driving levers, the outlet of 18 water inlet pipes, 19 drainpipes inlet, 20 extension springs.
Below in conjunction with accompanying drawing the utility model is further described.
Dam water leakage automatic measuring instrument is fixed with electromagnet (3), water tank (2) on base plate (1), drainpipe (10) vertically passes water tank bottom and communicates with the external world in water tank.Be fixed with the water inlet pipe that is communicated with formation by water inlet pipe inlet (4), flexible pipe (5), water inlet pipe outlet (18) three parts at water tank upper, the water inlet pipe outlet is positioned at the top of drainpipe inlet (19).Be provided with water tank drain valve (6) and tank drains pipe (7) in the bottom of water tank, on water tank wall, be provided with liquid level feedback contact moving up and down (9).Electromagnet is the power source of this measuring instrument, is in release conditions when not measuring, at this moment the tank drains opening of valves.Dam leak through dam body drain in dam foundation hole discharge the back by pipeline guide to the water inlet pipe inlet, flexible pipe flows directly to the drainpipe inlet by the water inlet pipe outlet, drain and without measuring water tank by drainpipe, calcareous deposition in measuring instrument when having avoided not measuring has been eliminated calcareous influence to surveying instrument.When measuring, sending signal by electronic control part makes electromagnet moment adhesive drive pull bar (12) action downwards, control link mechanism drive driving lever (17) makes the water inlet pipe outlet leave the drainpipe inlet and moves on to the water tank top, dam is leaked flow directly in the water tank; Linkage assembly drivening rod (15,16) is closed water tank drain valve simultaneously.Linkage assembly is made up of crank arm (13), pull bar (14) etc. in the present embodiment, when moving, electromagnetic actuation drives pull bar (12) along arrow A direction action among Fig. 2, drive is cranked arm and is rotated around axle 21, at this moment 22 ends of cranking arm are stirred driving lever (17) makes driving lever rotate around axle 23, and the 24 ends drive water inlet pipe outlet of driving lever makes the water inlet pipe outlet leave the drainpipe inlet along arrow B direction among Fig. 3 and moves on to the water tank top; 25 ends of meanwhile cranking arm drive pull bar (14) along arrow C direction action among Fig. 2, and pull bar (14) drivening rod (15) rotates around axle 26 and makes connecting rod (16) along arrow D direction action among Fig. 1, and water tank drain valve is closed.When the water level in the water tank reaches the pairing position of demarcation volume, when promptly reaching the liquid feedback contact (9) of setting, contact is connected through electronic control part electromagnet is discharged, state before at this moment recovering to measure, and water tank drain valve is opened measured the leaking that makes in the water tank and is discharged by the tank drains pipe.Water inlet pipe outlet reposition under the effect of extension spring (20).Electronic control part can calculate the unit interval water leakage that dam leaks automatically according to the time of measuring the water tank water receiving and the volume of demarcation, and can be with the measurement result printout.
Critical pieces such as the water tank of this measuring instrument all material of available protection against the tide are made, and electronic control part can be away from the dam gallery.In order to improve measuring accuracy, can be provided with fair water fin (11) to reduce the fluctuation of liquid level below the water inlet pipe outlet in the water tank.Liquid feedback contact can move up and down, to satisfy different scalar quantity settings, the size of water tank is determined according to maximum water leakage, the water leakage that the water tank maximum detection amount of 2 liters of capacity of general employing is 30 liters/minute, measurement to special big flow does not increase any technical difficulty except that adding large water tank, can fully satisfy the requirement that dam leaks and observes.
This measuring instrument is simple in structure, and cost is low, and the big precision height of measurement range can be widely used in the monitoring that various power stations dam leaks, and plate is easily realized the fast automatic measurement of multiple spot.
Claims (2)
1, dam water leakage automatic measuring instrument, form by base plate, electromagnet, water tank, drainpipe, it is characterized in that being provided with on the top of water tank and export three parts by water inlet pipe inlet, flexible pipe, water inlet pipe and be communicated with the water inlet pipe that constitutes, the water inlet pipe outlet is positioned at the top of drainpipe inlet; Be provided with water tank drain valve and tank drains pipe in the bottom of water tank; Electromagnet flexibly connects with water inlet pipe outlet, water tank drain valve respectively by driving lever, connecting rod through pull bar, linkage assembly, makes the water inlet pipe outlet leave the drainpipe inlet during electromagnet action and moves on to the water tank top, and water tank drain valve is closed; In water tank, also be provided with the liquid level feedback contact.
2, dam water leakage automatic measuring instrument as claimed in claim 1 is characterized in that also can being provided with fair water fin in water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244299 CN2225018Y (en) | 1994-11-04 | 1994-11-04 | Automatic meter for measuring sluice of dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244299 CN2225018Y (en) | 1994-11-04 | 1994-11-04 | Automatic meter for measuring sluice of dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2225018Y true CN2225018Y (en) | 1996-04-17 |
Family
ID=33850405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94244299 Expired - Fee Related CN2225018Y (en) | 1994-11-04 | 1994-11-04 | Automatic meter for measuring sluice of dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2225018Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100573079C (en) * | 2007-05-24 | 2009-12-23 | 上海轨道交通设备发展有限公司 | A kind of comprehensive detection device of track traffic regional tunnel leakage and method |
| CN102767193A (en) * | 2012-07-23 | 2012-11-07 | 三峡大学 | Remote dam foundation seepage monitoring device with sewage drainage function |
| CN105606163A (en) * | 2016-01-29 | 2016-05-25 | 苏州弘开传感科技有限公司 | Device for automatically measuring water leakage of civil and hydraulic engineering, and measurement method using same |
| CN107525756A (en) * | 2017-09-05 | 2017-12-29 | 中国水利水电科学研究院 | A kind of soil layering characteristic-acquisition method and application |
-
1994
- 1994-11-04 CN CN 94244299 patent/CN2225018Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100573079C (en) * | 2007-05-24 | 2009-12-23 | 上海轨道交通设备发展有限公司 | A kind of comprehensive detection device of track traffic regional tunnel leakage and method |
| CN102767193A (en) * | 2012-07-23 | 2012-11-07 | 三峡大学 | Remote dam foundation seepage monitoring device with sewage drainage function |
| CN102767193B (en) * | 2012-07-23 | 2014-12-24 | 三峡大学 | Remote dam foundation seepage monitoring device with sewage drainage function |
| CN105606163A (en) * | 2016-01-29 | 2016-05-25 | 苏州弘开传感科技有限公司 | Device for automatically measuring water leakage of civil and hydraulic engineering, and measurement method using same |
| CN107525756A (en) * | 2017-09-05 | 2017-12-29 | 中国水利水电科学研究院 | A kind of soil layering characteristic-acquisition method and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |