CN202141482U - Flow measuring device for forest areas - Google Patents
Flow measuring device for forest areas Download PDFInfo
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- CN202141482U CN202141482U CN201120071253U CN201120071253U CN202141482U CN 202141482 U CN202141482 U CN 202141482U CN 201120071253 U CN201120071253 U CN 201120071253U CN 201120071253 U CN201120071253 U CN 201120071253U CN 202141482 U CN202141482 U CN 202141482U
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- weir
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
A flow measuring device for forest areas belongs to the technical field of water flow measurement. The flow measuring device comprises a rectangular weir, a triangular weir, a rectangular weir water meter and a triangular weir water meter, wherein, the rectangular weir is communicated with the rectangular weir water meter; and the triangular weir is embedded into one side of the rectangular weir, and is communicated with the triangular weir water meter. In the utility model, the triangular weir is embedded into the rectangular weir so as to form a co-jointed measuring device which can automatically perform hydrographic measurement, avoiding the mistaken data measurement caused when water in large flow floods the triangular weir and solving the technical problem of lower measurement accuracy of the rectangular weir during a low-water season. The measuring device adopts two automatic water meters, is convenient to observe and mount, performs continuous automatic measurement, uses a computer for data extraction, avoids manual adjustment, and realizes automatic management.
Description
Technical field
The utility model belongs to the flow measurement technical field.Particularly relate to a kind of forest watershed flow measurement device of measuring forest watershed hydrology flow.
Background technology
At present, the precision that this measurement that pressure, high water head, big flow continuity flow measurement arranged reaches measurement automatically for river flow is very ripe.Yet for existing big flow the mountain area forest watershed hydrology measuring technology of low discharge is arranged again, be still waiting further to improve measuring method and improve precision.
The triangular-notch weir flow measurement method is thin-walled steel triangular-notch weir to be set in the small watershed exit combine automatic gauge record rainwash process, is used to analyze the relation between rainfall amount and the basin runoff.But when the forest watershed run-off is big, promptly produce error, particularly when depth of runoff surpasses the triangular section height of triangular-notch weir, cause data to lose and survey.The rectangular weir flow measurement method is that the outlet in large watershed is provided with thin-walled steel rectangular weir and hardens and close automatic gauge record basin runoff process; But low water season the forest watershed run-off hour; Measuring accuracy is low, can not in time reflect the relation between rainfall amount and the basin runoff.So when the flow measurement of the forest watershed hydrology, the forest watershed of low discharge is arranged again for existing big flow, use single weir to know from experience and cause measuring accuracy not high, cause difficulty for the relation between accurate analysis forest watershed runoff and quantity of precipitation.The problem that exists: when triangular-notch weir surpasses 1.8m/s at flow rate of water flow, promptly cause data to lose and survey, when rectangular weir is lower than 0.005m/s at flow rate of water flow, promptly causes data to lose and survey.
The utility model content
Not enough for solving existing forest hydrology recording geometry, the utility model provides a kind of forest watershed measurement mechanism, the flow of water in the time of not only can having measured big flow but also can measure low discharge.
The technical scheme that the utility model adopts is:
The utility model comprises that rectangular weir, triangular-notch weir, rectangular weir water level take into account the triangular-notch weir water level gauge, and said rectangular weir is connected with the rectangular weir water level gauge; Triangular-notch weir embeds a side of rectangular weir, and triangular-notch weir is connected with the triangular-notch weir water level gauge.
In said rectangular weir, be provided with waterwall between triangular-notch weir and trash rack.Said triangular-notch weir weir wall one side is provided with the blade degree of lip-rounding and divides the water plate, and contacts with waterwall.The height of said minute water plate is lower than waterwall 80-120mm.Be respectively equipped with steady waterwall in said rectangular weir and the triangular-notch weir, steady waterwall of said rectangular weir and the steady waterwall of triangular-notch weir are the body of wall that has a plurality of through holes.
The beneficial effect of the utility model is:
1. the utility model embeds triangular-notch weir in the rectangular weir, forms the measurement mechanism of associating one, can carry out the measurement of the forest watershed hydrology simultaneously automatically.When having avoided because of big flow, triangular-notch weir overflows data that the weir causes and loses and survey, and has solved the low technical matters of rectangular weir measuring accuracy in low water season.
2. easy to use.The utility model forest watershed hydrographic survey system adopts two automatic gauges, and observation is with easy for installation, but continuous automatic measurement extracts data with notebook computer, exempts artificial adjustment, has realized automatic management.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure, 1 is rectangular weir, and 2 is triangular-notch weir, and 3 is the rectangle weir plate, and 4 is the steady waterwall of rectangular weir; 5 is waterwall, and 6 is trash rack, and 7 is the triangle weir plate, and 8 is the steady waterwall of triangular-notch weir, and 9 for dividing the water plate; 10 is the rectangular weir wall, and 11 is the rectangular weir water level gauge, and 12 is the triangular-notch weir water level gauge, and 13 is flume.
Specific embodiments
Embodiment: as shown in Figure 1; The utility model comprises rectangular weir 1, triangular-notch weir 2, rectangular weir water level gauge 11 and triangular-notch weir water level gauge 12; Said rectangle weir notch inner bottom part is buried underground and is linked to each other with rectangular weir water level gauge 11 communicating pipe, and the triangular-notch weir trench bottom is buried underground and linked to each other with triangular-notch weir water level gauge 12 communicating pipe.Be provided with trash rack 6 at rectangular weir 1 water inlet end, water outlet end is provided with rectangle weir plate 3, and triangular-notch weir 2 and 6 of trash racks are provided with waterwall 5 in the rectangular weir 1, the superb undue water plate 9 height 100mm of said waterwall 5 walls.Triangular-notch weir 2 embeds a side of rectangular weir 1, and triangular-notch weir 2 weir walls one side is provided with the blade degree of lip-rounding and divides water plate 9, and contacts with waterwall 5, in triangular-notch weir 2, divides between water plate and rectangular weir wall the steady waterwall 8 of triangular-notch weir is set, and the weir plate 2 of said triangular-notch weir 2 has vee.
9 fens water sides of described minute water plate of this example are the blade degree of lip-rounding.Be respectively equipped with steady waterwall in said rectangular weir 1 and the triangular-notch weir 2; The steady waterwall 8 of triangular-notch weir places 10 on branch water plate 9 and rectangular weir wall; The steady waterwall 4 of rectangular weir is positioned at 10 on two rectangular weir walls, and the steady waterwall 4 of said rectangular weir is the body of wall that has a plurality of through holes with the steady waterwall 8 of triangular-notch weir.This routine said rectangular weir water level gauge 11 is connected with computer respectively with triangular-notch weir water level gauge 12, extracts data through computer, exempts artificial adjustment, has realized automatic management.
The utility model is when measuring; During low discharge, the current in the flume 13 are through trash rack 6, by the waterwall of rectangular weir 15 water are blocked; Current are after level is overflowed on waterwall 5; Flow into triangular-notch weir 2 through dividing water plate 9 to cut apart in proportion, all the other current flow into rectangular weir 1 simultaneously, and the automatic gauge 12 that is located at triangular-notch weir 2 is measured the discharge of the triangular-notch weir 2 of flowing through.When big flow, current cover triangular-notch weir weir plate 7, and current will all pass through from rectangular weir 1, are measured the flow of water by the automatic gauge 11 of rectangular weir 1.
The utility model embeds rectangular weir with triangular-notch weir and forms the associating flow measuring system; Realize the integrated associating flow measurement of small-large flow; Easy to use, it is better to use forest watershed hydrology flow measurement effect, for forest watershed hydrological science research innovation provides a kind of new flow measuring system.
Claims (5)
1. forest watershed flow measurement device, it is characterized in that: comprise rectangular weir (1), triangular-notch weir (2), rectangular weir water level gauge (11) and triangular-notch weir water level gauge (12), said rectangular weir (1) is connected with rectangular weir water level gauge (11); Triangular-notch weir (2) embeds a side of rectangular weir (1), and triangular-notch weir (2) is connected with triangular-notch weir water level gauge (12).
2. by the described forest watershed flow measurement of claim 1 device, it is characterized in that: in said rectangular weir (1), be provided with waterwall (5) between triangular-notch weir (2) and trash rack (6).
3. by the described forest watershed flow measurement of claim 1 device, it is characterized in that: said triangular-notch weir (2) weir wall one side is provided with the blade degree of lip-rounding and divides water plate (9), and contacts with waterwall (5).
4. by the described forest watershed flow measurement of claim 3 device, it is characterized in that: said minute the water plate (9) height be lower than waterwall (5) 80-120mm.
5. by the described forest watershed flow measurement of claim 1 device, it is characterized in that: be respectively equipped with steady waterwall in said rectangular weir (1) and the triangular-notch weir (2), steady waterwall of said rectangular weir (4) and the steady waterwall of triangular-notch weir (8) are the body of wall that has a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120071253U CN202141482U (en) | 2011-03-18 | 2011-03-18 | Flow measuring device for forest areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120071253U CN202141482U (en) | 2011-03-18 | 2011-03-18 | Flow measuring device for forest areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141482U true CN202141482U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120071253U Expired - Fee Related CN202141482U (en) | 2011-03-18 | 2011-03-18 | Flow measuring device for forest areas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202141482U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823861A (en) * | 2016-05-04 | 2016-08-03 | 环境保护部南京环境科学研究所 | Small watershed ecological restoration water release and soil conservation effect monitoring device |
| CN105973328A (en) * | 2016-03-30 | 2016-09-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Straight channel surface runoff test facility and application method thereof |
| CN106595784A (en) * | 2016-12-26 | 2017-04-26 | 徐州工程学院 | Simple metering device for foundation pit displacement |
| CN108426613A (en) * | 2018-01-23 | 2018-08-21 | 中国地质大学（武汉） | Water flow automated watch-keeping facility |
| CN109297770A (en) * | 2018-11-27 | 2019-02-01 | 辽宁工程技术大学 | A kind of dry land rainwash collection device |
-
2011
- 2011-03-18 CN CN201120071253U patent/CN202141482U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973328A (en) * | 2016-03-30 | 2016-09-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Straight channel surface runoff test facility and application method thereof |
| CN105823861A (en) * | 2016-05-04 | 2016-08-03 | 环境保护部南京环境科学研究所 | Small watershed ecological restoration water release and soil conservation effect monitoring device |
| CN106595784A (en) * | 2016-12-26 | 2017-04-26 | 徐州工程学院 | Simple metering device for foundation pit displacement |
| CN108426613A (en) * | 2018-01-23 | 2018-08-21 | 中国地质大学（武汉） | Water flow automated watch-keeping facility |
| CN109297770A (en) * | 2018-11-27 | 2019-02-01 | 辽宁工程技术大学 | A kind of dry land rainwash collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20130318 |