CN203824596U - Gate flow measuring device using ultrasonic time-difference method - Google Patents
Gate flow measuring device using ultrasonic time-difference method Download PDFInfo
- Publication number
- CN203824596U CN203824596U CN201420239304.9U CN201420239304U CN203824596U CN 203824596 U CN203824596 U CN 203824596U CN 201420239304 U CN201420239304 U CN 201420239304U CN 203824596 U CN203824596 U CN 203824596U
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- Prior art keywords
- flashboard
- ultrasonic flow
- sensor
- gate
- velocity
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- Expired - Lifetime
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000002604 ultrasonography Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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Abstract
The utility model relates to a gate flow measuring device using an ultrasonic time-difference method, and belongs to the technical field of water conservancy gate flow measurement and data remote transmission. According to the technical scheme, a flashboard is vertically arranged on a gateway 5, the flashboard (1) is connected with a flashboard hoist, and the flashboard hoist controls the flashboard to be opened and closed on the gateway; a waterproof instrument (2) is arranged on the top of the flashboard in a matched mode, a gate level sensor is arranged on the flashboard or the flashboard hoist in a matched mode, ultrasonic flow velocity sensors are arranged in the middle part of the bottom of the flashboard in a matched mode, and the waterproof instrument is connected with the ultrasonic flow velocity sensors and the gate level sensor respectively; the number of the ultrasonic flow velocity sensors is two, and the ultrasonic flow velocity sensors comprise the first ultrasonic flow velocity sensor (3) and the second ultrasonic flow velocity sensor (6). Due to the fact that a flow velocity area method is used for accurately calculating the water discharge through a sluice, the gate flow measuring device using the ultrasonic time-difference method is pioneering. By means of the gate flow measuring device, continuous on-line measurement is achieved, the water discharge through the sluice is calculated in a high-precision mode, and therefore management of a management department is facilitated.
Description
Technical field
The utility model relates to a kind of gate current surveying device that utilizes ultrasound wave time difference method, belongs to water conservancy gate flow measurement and transmission technology field.
Background technology
At present, the computing formula that existing water conservancy gate flow-measuring method adopts, general error is more than 15%.Above-mentioned defect perplexs tradesman for a long time, but there is no again for many years better solution, has limited to a certain extent the application of gate flow measuring.
Utility model content
The utility model object is to provide a kind of gate current surveying device that utilizes ultrasound wave time difference method, realizes and utilizes lockage flow velocity, and high precision computation lock flow, solves the problems referred to above that exist in background technology.
The technical solution of the utility model is:
A kind of gate current surveying device that utilizes ultrasound wave time difference method, comprise flashboard, waterproof instrument, ultrasonic flow-velocity sensor and lock level sensor, flashboard is vertically set on lock road, and flashboard is connected with flashboard headstock gear, and flashboard headstock gear is controlled the opening and closing on flashboard Zha road; Waterproof instrument coupling is arranged on the top of flashboard, lock level sensor coupling be arranged on flashboard or flashboard headstock gear on, ultrasonic flow-velocity sensor matching is arranged on the centre position, bottom of flashboard, and waterproof instrument connects respectively ultrasonic flow-velocity sensor and lock level sensor; Described ultrasonic flow-velocity number of sensors is two, is separately positioned on middle both sides, flashboard bottom.
Described ultrasonic flow-velocity sensor matching has mounting bracket, and mounting bracket is fixed on flashboard, and ultrasonic flow sensor is arranged on mounting bracket.
Described lock level sensor is lock position chi.Described flashboard is the flashboard of Flat Sluice.
Obliquity sensor is arranged at described flashboard bottom also coupling.
Because lock road width is known, utilize lock level sensor to measure gatage, can obtain the opening water delivery area of gate; By being arranged on two ultrasonic flow-velocity sensors of middle inside and outside both sides, flashboard bottom, measure respectively the flow velocity of middle inside and outside both sides, flashboard bottom, utilize ultrasound wave time difference method to measure the open centre vertical velocity of gate, because the opening water delivery area of gate is known, by velocity-area method, calculate lock flow; Due to the open centre vertical velocity of gate and be not equal to the vertical velocity of other position of gate opening, velocity field is inhomogeneous, and calculating lock flow need to calibrate, and water conservancy industry is referred to as calibration, finally obtains lock flow accurately.
Adopt the utility model, by measuring flow velocity and the flow of gate opening, by calibration, obtain the accurate flow on this section, and upload measurement data to administrative authority by wireless public network, complete automatic measurement task.
In the utility model, ultrasonic flow-velocity sensor, ultrasound wave time difference method, lock level sensor, velocity_area method, rating method are all known contents.
The utility model is measured gate discharge area by lock level sensor, utilizes ultrasound wave time difference method to measure center line flow velocity, utilizes velocity_area method to measure gate opening flow, utilize calibration to obtain accurate lock flow, all linked with one another, indispensable, exquisite composition, designs rigorous; Consequently design a simple in structurely, cheap, measuring accuracy is high, simple and practical lock flow measuring equipment.
The beneficial effects of the utility model: utilize velocity_area method to accurately calculate lock flow and belong to pioneering; The utility model is realized continuous on-line measurement, and high precision computation lock flow is convenient to administrative authority's management.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment schematic diagram;
Fig. 2 is flow measurement schematic diagram of the present invention;
In figure: flashboard 1, waterproof instrument 2, ultrasonic flow-velocity sensor 1, lock level sensor 4, lock road 5, ultrasonic flow-velocity sensor 26, pocket floor 7.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described further.
A kind of gate current surveying device that utilizes ultrasound wave time difference method, comprise flashboard 1, waterproof instrument 2, ultrasonic flow-velocity sensor and lock level sensor 4, flashboard is vertically set on lock road 5, and flashboard is connected with flashboard headstock gear, and flashboard headstock gear is controlled the opening and closing on flashboard Zha road; Waterproof instrument coupling is arranged on the top of flashboard, lock level sensor coupling be arranged on flashboard or flashboard headstock gear on, ultrasonic flow-velocity sensor matching is arranged on the centre position, bottom of flashboard, and waterproof instrument connects respectively ultrasonic flow-velocity sensor and lock level sensor; Described ultrasonic flow-velocity number of sensors is two, be respectively ultrasonic flow-velocity sensor 1 and ultrasonic flow-velocity sensor 26, ultrasonic flow-velocity sensor 1 is arranged on the outside in the middle of flashboard bottom, the inner side in the middle of ultrasonic flow-velocity sensor 26 flashboard bottoms.
Described ultrasonic flow-velocity sensor matching has mounting bracket, and mounting bracket is fixed on flashboard, and ultrasonic flow sensor is arranged on mounting bracket.
Described lock level sensor is lock position chi.Described flashboard is the flashboard of Flat Sluice.
Obliquity sensor is arranged at described flashboard bottom also coupling.
Because lock road width is known, utilize lock level sensor to measure gatage, can obtain the opening water delivery area of gate; By being arranged on two ultrasonic flow-velocity sensors of middle inside and outside both sides, flashboard bottom, measure respectively the flow velocity of middle inside and outside both sides, flashboard bottom, utilize ultrasound wave time difference method to measure the open centre vertical velocity of gate, because the opening water delivery area of gate is known, by velocity-area method, calculate lock flow; Due to the open centre vertical velocity of gate and be not equal to the vertical velocity of other position of gate opening, velocity field is inhomogeneous, and calculating lock flow need to calibrate, and water conservancy industry is referred to as calibration, finally obtains lock flow accurately.
By measuring flow velocity and the flow of gate opening, by calibration, obtain the accurate flow on this section, and upload measurement data to administrative authority by wireless public network, complete automatic measurement task.
Claims (4)
1. utilize a gate current surveying device for ultrasound wave time difference method, comprise flashboard (1), waterproof instrument (2), ultrasonic flow-velocity sensor and lock level sensor (4), it is upper that flashboard is vertically set on lock road (5), and flashboard is connected with flashboard headstock gear; Waterproof instrument coupling is arranged on the top of flashboard, lock level sensor coupling be arranged on flashboard or flashboard headstock gear on, ultrasonic flow-velocity sensor matching is arranged on the centre position, bottom of flashboard, and waterproof instrument connects respectively ultrasonic flow-velocity sensor and lock level sensor; Described ultrasonic flow-velocity number of sensors is two, be respectively ultrasonic flow-velocity sensor one (3) and ultrasonic flow-velocity sensor two (6), ultrasonic flow-velocity sensor one (3) is arranged on the outside in the middle of flashboard bottom, the inner side in the middle of ultrasonic flow-velocity sensor two (6) flashboard bottoms.
2. the gate current surveying device that utilizes ultrasound wave time difference method according to claim 1, is characterized in that described ultrasonic flow-velocity sensor matching has mounting bracket, and mounting bracket is fixed on flashboard, and ultrasonic flow sensor is arranged on mounting bracket.
3. the gate current surveying device that utilizes ultrasound wave time difference method according to claim 1, is characterized in that described lock level sensor is lock position chi, the flashboard that described flashboard is Flat Sluice.
4. the gate current surveying device that utilizes ultrasound wave time difference method according to claim 1, is characterized in that also mating and having obliquity sensor bottom described flashboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239304.9U CN203824596U (en) | 2014-05-12 | 2014-05-12 | Gate flow measuring device using ultrasonic time-difference method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239304.9U CN203824596U (en) | 2014-05-12 | 2014-05-12 | Gate flow measuring device using ultrasonic time-difference method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824596U true CN203824596U (en) | 2014-09-10 |
Family
ID=51480081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239304.9U Expired - Lifetime CN203824596U (en) | 2014-05-12 | 2014-05-12 | Gate flow measuring device using ultrasonic time-difference method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824596U (en) |
-
2014
- 2014-05-12 CN CN201420239304.9U patent/CN203824596U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |