CN202885872U - Gate flow measuring device - Google Patents
Gate flow measuring device Download PDFInfo
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- CN202885872U CN202885872U CN 201220576616 CN201220576616U CN202885872U CN 202885872 U CN202885872 U CN 202885872U CN 201220576616 CN201220576616 CN 201220576616 CN 201220576616 U CN201220576616 U CN 201220576616U CN 202885872 U CN202885872 U CN 202885872U
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Abstract
The utility model relates to a gate flow measuring device, and belongs to the technical field of water conservancy flow measuring and data remote transmission. The technical scheme is that the gate flow measuring device comprises an outer shell (3), a plurality of flow velocity sensors (4), and a water level sensor (5), wherein the outer shell is strip-shaped in appearance, arranged on the lateral wall of a gateway (2) and perpendicular to a floor, the plurality of flow velocity sensors are arranged on the outer shell at intervals, the arranging direction of the plurality of flow velocity sensors are perpendicular to the floor, and the water level sensor is arranged on the bottom portion of the outer shell. The gate flow measuring device can complete mean flow velocity measuring of each flow layer, quantity of flow can be worked out by the utilization of the velocity-area method, an intelligent circuit can complete data collecting, data computing, data recording, and data transmission, and maintenance is small. The gate flow measuring device realizes continuous on-line measuring, computes the quantity of flow in a high-precision mode, and brings convenience to management of an administrative department.
Description
Technical field
The utility model relates to a kind of gate current surveying device, belongs to water conservancy gate flow measurement and transmission technology field.
Background technology
At present, existing water conservancy gate flow-measuring method adopts different computing formula by four kinds of different fluidised forms: namely: without the lock undercurrent, without the lock Free-flow, the lock undercurrent is arranged, the lock Free-flow is arranged, utilize these four kinds of fluidised form formula to calculate lock flows and have following defective: 1. level sensor behind lock level sensor and the lock front brake must be installed, expense is high, and is difficult in maintenance; 2. flow measurement precision is low, and general error is more than 15%.Defects perplexs the tradesman for a long time, but does not have again for many years better solution, has limited to a certain extent the application of gate flow measuring.
The utility model content
The utility model purpose provides a kind of gate current surveying device, realizes utilizing the lockage flow velocity that the high precision computation lock flow solves the problems referred to above that exist in the background technology.
The technical solution of the utility model is:
A kind of gate current surveying device, comprise shell, a plurality of flow sensor and level sensor, the profile of shell is elongate in shape, vertical ground is arranged on the lock road sidewall, a plurality of flow sensors are arranged at the interval on shell, the arranged direction of a plurality of flow sensors is perpendicular to ground, and level sensor is arranged on the bottom of shell.
Interval between described a plurality of flow sensor equates or does not wait.The bottom mating of shell has constant-current stabilizer.
Flow velocity and the water level signal of flow sensor and level sensor output are connected to smart circuit and process.
Described flow sensor quantity is at least one, and the type of flow sensor can be one of mechanical type, differential pressure type, supersonic Doppler formula, ultrasound wave time difference type, electromagnetic type, eddy currents or combination.
The type of described level sensor can be that pressure, ultrasound wave, float, magnetic hysteresis are flexible, one of electric capacity, vibratory string level sensor or combination.
The utility model measuring process is as follows:
1. first the lockage flowing water section behind the gate is pressed a plurality of flow sensors interval of gate current surveying device, level is divided into a plurality of fluid layers, measure the mean flow rate of certain horizontal fluid layer, and the flow velocity of this horizontal fluid layer measuring point of actual measurement, thereby obtain the relation of mean flow rate and point velocity;
2. because lock road width is known, the flow sensor interval of each horizontal fluid layer is known, the area of this horizontal fluid layer after the level that can obtain is cut apart.
3. because the relation of the mean flow rate of each fluid layer and point velocity is known, the water delivery area of each fluid layer is known, by velocity-area method, can calculate the flow of each fluid layer;
4. pass through the level sensor of gate current surveying device bottom, how many flow sensors whole current surveying device has in the water delivery section as can be known, namely whole water delivery section comprises the How much water stratosphere as can be known, and the flow addition of whole horizontal fluid layers that the water delivery section is comprised obtains actual lock flow.
Described gate current surveying device can be installed in the upstream of gate or downstream or the lock road or on the lock road wall.
Adopt the utility model, can measure flow velocity and flow in each interval, all the flow additions with in each interval obtain the flow on this section, upload measurement data to administrative authority by the GPRS wireless public network, finish automatic measurement task.
In the utility model, the sensor of flow sensor, water level and velocity-area method are known contents.
The utility model utilizes horizontal split plot design, the velocity field level that the lock road is inhomogeneous is cut apart, find the relation of this horizontal fluid layer mean flow rate and point velocity by measurement, utilize velocity-area method to obtain level and cut apart flow, utilize level sensor to obtain the sum of real standard separate layer, level is cut apart the flow addition obtain 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: the mean flow rate that can finish each fluid layer is measured; But utilize velocity_area method accurate Calculation outflow; But smart circuit data acquisition, data calculating, data recording, data transmission; Maintenance is little; The utility model is realized continuous on-line measurement, and the high precision computation flow is convenient to administrative authority's management.
Description of drawings
Accompanying drawing 1 is that the utility model embodiment uses view;
Accompanying drawing 2 is that the utility model embodiment uses the state schematic top plan view;
Accompanying drawing 3 is the utility model embodiment synoptic diagram;
Among the figure: gate 1, lock road 2, shell 3, flow sensor 4, level sensor 5, gate lifting screw 6.
Embodiment
Below in conjunction with accompanying drawing, by embodiment the utility model is described further.
A kind of gate current surveying device, comprise shell 3, a plurality of flow sensor 4 and level sensor 5, the profile of shell is elongate in shape, vertical ground is arranged on lock road 2 sidewalls, a plurality of flow sensors are arranged at the interval on shell, the arranged direction of a plurality of flow sensors is perpendicular to ground, and level sensor is arranged on the bottom of shell.
Interval between described a plurality of flow sensor equates or does not wait.The bottom mating of shell has constant-current stabilizer.Flow velocity and the water level signal of flow sensor and level sensor output are connected to smart circuit and process.
The present embodiment measuring process is as follows:
1. first the lockage flowing water section behind the gate is pressed a plurality of flow sensors 4 intervals of gate current surveying device, level is divided into a plurality of fluid layers, measure the mean flow rate of certain horizontal fluid layer, and the flow velocity of this horizontal fluid layer measuring point of actual measurement, thereby obtain the relation of mean flow rate and point velocity;
2. because lock road width is known, the flow sensor interval of each horizontal fluid layer is known, the area of this horizontal fluid layer after the level that can obtain is cut apart.
3. because the relation of the mean flow rate of each fluid layer and point velocity is known, the water delivery area of each fluid layer is known, by velocity-area method, can calculate the flow of each fluid layer;
4. pass through the level sensor 5 of gate current surveying device bottom, how many flow sensors whole current surveying device has in the water delivery section as can be known, namely whole water delivery section comprises the How much water stratosphere as can be known, and the flow addition of whole horizontal fluid layers that the water delivery section is comprised obtains actual lock flow.
Described gate current surveying device can be installed in the upstream of gate or downstream or the lock road or on the lock road wall.
Adopt the utility model, can measure flow velocity and flow in each interval, all the flow additions with in each interval obtain the flow on this section, upload measurement data to administrative authority by the GPRS wireless public network, finish automatic measurement task.
Claims (6)
1. gate current surveying device, it is characterized in that: comprise shell (3), a plurality of flow sensor (4) and level sensor (5), the profile of shell is elongate in shape, vertical ground is arranged on lock road (2) sidewall, a plurality of flow sensors are arranged at the interval on shell, the arranged direction of a plurality of flow sensors is perpendicular to ground, and level sensor is arranged on the bottom of shell.
2. described gate current surveying device according to claim 1, it is characterized in that: the interval between described a plurality of flow sensors equates or does not wait.
3. described gate current surveying device according to claim 1 and 2, it is characterized in that: the bottom mating of shell has constant-current stabilizer.
4. described gate current surveying device according to claim 1 and 2 is characterized in that being connected to flow velocity and the water level signal of the output of flow sensor and level sensor smart circuit and processing.
5. described gate current surveying device according to claim 1 and 2, it is characterized in that: described flow sensor quantity is at least one, and the type of flow sensor can be one of mechanical type, differential pressure type, supersonic Doppler formula, ultrasound wave time difference type, electromagnetic type, eddy currents or combination.
6. described gate current surveying device according to claim 1 and 2 is characterized in that: the type of described level sensor can be that pressure, ultrasound wave, float, magnetic hysteresis are flexible, one of electric capacity, vibratory string level sensor or combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576616 CN202885872U (en) | 2012-11-05 | 2012-11-05 | Gate flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220576616 CN202885872U (en) | 2012-11-05 | 2012-11-05 | Gate flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885872U true CN202885872U (en) | 2013-04-17 |
Family
ID=48077287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220576616 Expired - Fee Related CN202885872U (en) | 2012-11-05 | 2012-11-05 | Gate flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885872U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901537A (en) * | 2012-11-05 | 2013-01-30 | 唐山现代工控技术有限公司 | Method and device for measuring flow of gate |
| CN106768089A (en) * | 2017-02-04 | 2017-05-31 | 唐山现代工控技术有限公司 | A kind of double-gate position gate flow measuring system and method |
| CN110424336A (en) * | 2019-07-18 | 2019-11-08 | 中国水利水电科学研究院 | A kind of open channel intelligence measurement control integration gate |
| CN114182696A (en) * | 2021-12-08 | 2022-03-15 | 湖南城头山水工机械制造有限公司 | Energy-concerving and environment-protective type intelligence is observed and controled stainless steel gate |
-
2012
- 2012-11-05 CN CN 201220576616 patent/CN202885872U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901537A (en) * | 2012-11-05 | 2013-01-30 | 唐山现代工控技术有限公司 | Method and device for measuring flow of gate |
| CN106768089A (en) * | 2017-02-04 | 2017-05-31 | 唐山现代工控技术有限公司 | A kind of double-gate position gate flow measuring system and method |
| CN110424336A (en) * | 2019-07-18 | 2019-11-08 | 中国水利水电科学研究院 | A kind of open channel intelligence measurement control integration gate |
| CN114182696A (en) * | 2021-12-08 | 2022-03-15 | 湖南城头山水工机械制造有限公司 | Energy-concerving and environment-protective type intelligence is observed and controled stainless steel gate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20191105 |