CN110260930A - A kind of measuring device measuring roof rainwater down pipe flow - Google Patents
A kind of measuring device measuring roof rainwater down pipe flow Download PDFInfo
- Publication number
- CN110260930A CN110260930A CN201910520195.5A CN201910520195A CN110260930A CN 110260930 A CN110260930 A CN 110260930A CN 201910520195 A CN201910520195 A CN 201910520195A CN 110260930 A CN110260930 A CN 110260930A
- Authority
- CN
- China
- Prior art keywords
- weir
- interior bucket
- down pipe
- rainwater down
- band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
Abstract
The present invention relates to a kind of rainwater down pipe flow measurement devices, comprising: grid outer cylinder, band weir interior bucket and water stage measurement component；Wherein, grid outer cylinder is set in band weir interior bucket periphery, keeps being spaced with band weir interior bucket；The roof rainwater down pipe mouth of size and connection with weir interior bucket matches, and the bottom with weir interior bucket is the interface for connecting roof rainwater down pipe mouth；Water stage measurement component is mounted on grid outer cylinder and between the interior bucket of weir, can measure the weir head with weir interior bucket for calculating rainwater down pipe flow.The invention has the benefit that the band weir interior bucket that can be connect with roof rainwater down pipe mouth by setting, and grid outer cylinder is arranged outside band weir interior bucket, simultaneously in grid outer cylinder and with setting water stage measurement component between the interior bucket of weir, the weir head with weir interior bucket for calculating rainwater down pipe flow can be measured, realizes the water of Accurate Determining rainwater down pipe.The apparatus structure is simple, easy to use, and water measurement is accurate.It can be widely used for the water measurement of rainwater down pipe in city.
Description
Technical field
The present invention relates to rainwater flowmeters, it particularly relates to a kind of measurement for measuring roof rainwater down pipe flow
Device.
Background technique
In sponge urban construction, roof rain water is flowed in rainwater down pipe, needs to measure the water of rainwater down pipe.?
Air-water two phase flow is formed in rainwater down pipe, using the Conventional meters such as ultrasonic flowmeter, Yao Shixian Accurate Determining pipeline rainwater stream
It is difficult to measure, and there is no the flow measurement devices of other ideal energy Accurate Determining rainwater down pipe waters at present.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the object of the present invention is to provide a kind of measurement roof rainwater down pipe flows
Measuring device, can Accurate Determining rainwater down pipe water.
The purpose of the present invention is be achieved through the following technical solutions: a kind of rainwater down pipe flow measurement device, comprising:
Grid outer cylinder 1, band weir interior bucket 2 and water stage measurement component 3；Wherein,
The grid outer cylinder 1 is set in 2 periphery of band weir interior bucket, keeps being spaced with band weir interior bucket 2；
The size with weir interior bucket 2 and the roof rainwater down pipe mouth of connection match, and the bottom with weir interior bucket 2 is connection room
Push up the interface of rainwater down pipe mouth；
The water stage measurement component 3 is mounted on the grid outer cylinder 1 and between weir interior bucket 2, can measure and fall for calculating rain
The weir head with weir interior bucket of pipe flow.
Further, band weir interior bucket 2 is cylinder, and it is multiple that setting is uniformly distributed on the bucket wall with weir interior bucket 2
Weir.
Further, the weir with weir interior bucket 2 is curved weir, and the opening vertex on weir is at the most bottom with weir interior bucket
Portion.
Further, the weir is triangular-notch weir, Cipolletti weir or rectangular weir.
Further, the water stage measurement component 3 is transmitted by pressure sensor 3-1, pressure transmitter 3-2 and data record
Device 3-3 composition；Wherein,
The pressure sensor 3-1 is located at the opening apex on the weir with weir interior bucket 2；
The pressure sensor 3-1 is connect by conducting wire with the pressure transmitter 3-2, the pressure transmitter 3-2 with it is described
Data record transmitter 3-3 electrical connection.
Further, the grid outer cylinder 1 is cylindrical structure, and it is multiple that setting is uniformly distributed on the barrel of the grid outer cylinder 1
Permeable hole 1-1.
Further, the diameter of the permeable hole 1-1 are as follows: 10mm~15mm.
Further, the grid outer cylinder 1 and the spacing between weir interior bucket 2 are 100mm~150mm.
The invention has the benefit that the band weir interior bucket that can be connect with roof rainwater down pipe mouth by setting, and in band weir
Bucket is outer to be arranged grid outer cylinder, while in grid outer cylinder and with water stage measurement component is arranged between the interior bucket of weir, can measure for calculating
The weir head with weir interior bucket of rainwater down pipe flow out realizes the water of Accurate Determining rainwater down pipe.The apparatus structure is simple,
Easy to use, water measurement is accurate.It can be widely used for the water measurement of rainwater down pipe in city.
Detailed description of the invention
Below according to attached drawing, invention is further described in detail.
Fig. 1 is rainwater down pipe flow measurement device schematic diagram described in the embodiment of the present invention；
Fig. 2 is the unfolded state schematic diagram described in the embodiment of the present invention with weir interior bucket；
Fig. 3 is the unfolded state schematic diagram of grid outer cylinder described in the embodiment of the present invention.
Specific embodiment
As shown in Figure 1-3, a kind of rainwater down pipe flow measurement device described in the embodiment of the present invention, Accurate Determining rainwater down pipe
Water, the flow measurement especially suitable for roof plan rainwater down pipe, comprising:
Grid outer cylinder 1, band weir interior bucket 2 and water stage measurement component 3；Wherein,
The grid outer cylinder 1 is set in 2 periphery of band weir interior bucket, keeps being spaced with band weir interior bucket 2；
The size with weir interior bucket 2 and the roof rainwater down pipe mouth of connection match, and the bottom with weir interior bucket 2 is connection room
Push up the interface of rainwater down pipe mouth；
The water stage measurement component 3 is mounted on the grid outer cylinder 1 and between weir interior bucket 2, can measure and fall for calculating rain
The weir head with weir interior bucket of pipe flow.
In above-mentioned apparatus, band weir interior bucket 2 is cylinder, and it is more that setting is uniformly distributed on the bucket wall with weir interior bucket 2
A weir.
In above-mentioned apparatus, the weir with weir interior bucket 2 is curved weir, and the opening vertex on weir is at the most bottom with weir interior bucket
Portion.
In above-mentioned apparatus, the weir is triangular-notch weir, Cipolletti weir or rectangular weir.
In above-mentioned apparatus, the water stage measurement component 3 is passed by pressure sensor 3-1, pressure transmitter 3-2 and data record
Defeated device 3-3 composition；Wherein,
The pressure sensor 3-1 is located at the opening apex on the weir with weir interior bucket 2；
The pressure sensor 3-1 is connect by conducting wire with the pressure transmitter 3-2, the pressure transmitter 3-2 with it is described
Data record transmitter 3-3 electrical connection.
In above-mentioned apparatus, the grid outer cylinder 1 is cylindrical structure, and it is more that setting is uniformly distributed on the barrel of the grid outer cylinder 1
A permeable hole 1-1.
In above-mentioned apparatus, the diameter of the permeable hole 1-1 are as follows: 10mm~15mm can be stopped miscellaneous by this grid outer cylinder 1
Object enters band weir interior bucket 2 and rainwater down pipe.
In above-mentioned apparatus, the grid outer cylinder 1 and the spacing between weir interior bucket 2 are 100mm~150mm, grid
Outer cylinder 1 and with that can be connected with each other between weir interior bucket 2, this spacing can form high water level with weir interior bucket 1, obtain relatively large
Measurement pressure, guarantee measurement it is more acurrate.
Above-mentioned apparatus is in use, rainwater through the permeable hole of grid outer cylinder enters grid outer cylinder and between the interior bucket of weir, then passes through
Curved weir with weir interior bucket enters rainwater down pipe, by the head on water stage measurement component measurement weir, calculates the flow of rainwater down pipe, specifically
Calculation, which can be, directly to be calculated with the head on weir, and the corresponding pass by calibrational capacity and average water head on weir is also possible to
System, obtains the uninterrupted on weir.
Rainwater down pipe flow measurement device of the invention solves rainwater down pipe in the case where not influencing roof rain water excretion
The big problem of middle air-water two phase flow measuring water flow difficulty is led in rainwater down pipe water inlet using band curved weir plate technique on round tube
The metering to curved weir flow is crossed, the rainwater down pipe flowmeter of enough accuracy and range is obtained.
Flow measurement device provided in this embodiment, by grid outer cylinder 1, band weir interior bucket 2 and water stage measurement component 3 are constituted,
Grid outer cylinder 1 is set in outside band weir interior bucket 2, and band 2 bottom of weir interior bucket is connect with rainwater down pipe, and water stage measurement component 3 is located at outside grid
Cylinder 1 and between weir interior bucket 2, wherein water stage measurement component 3 is passed by pressure sensor 3-1, pressure transmitter 3-2 and data record
Defeated device 3-3 composition, pressure sensor 3-1, pressure transmitter 3-2 and data record transmitter 3-3 are sequentially connected by conducting wire, are pressed
Force snesor 3-1 is located at grid outer cylinder 1 and with the bottom between weir interior bucket 2.
When specifically used, rainwater flows into band weir interior bucket 2 by grid outer cylinder 1, flows into rainwater down pipe by band weir interior bucket 2,
Water stage measurement component 3 measures corresponding weir head, by the corresponding relationship of average water head on calibrational capacity and weir, obtains the stream on weir
Size is measured, the flow on all weirs is summed, can be obtained the flow of rainwater down pipe.
The effect of grid outer cylinder 1 is to prevent large-sized solids in rainwater stream from entering flow rate-measuring device, influences flow
The accuracy of measurement.
Water stage measurement of the invention is measured by water stage measurement component 3, and rainwater flows into grid outer cylinder 1, different
The depth of water makes the pressure sensor 3-1 of water stage measurement component 3 issue compliance voltage or current signal, is supplied to pressure transmitter 3-
2, become height of water level through pressure transmitter 3-2, send data record transmitter 3-3 to, data record transmitter 3-3 can remember
Record height of water level is transferred in peripheral hardware, and then calculates water yield according to height of water level.
The device of the invention can accurately measure rainwater down pipe flow.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (8)
1. a kind of rainwater down pipe flow measurement device characterized by comprising
Grid outer cylinder (1), band weir interior bucket (2) and water stage measurement component (3)；Wherein,
The grid outer cylinder (1) is set in the band weir interior bucket (2) periphery, keeps being spaced with band weir interior bucket (2)；
The size of band weir interior bucket (2) and the roof rainwater down pipe mouth of connection match, and the bottom of band weir interior bucket (2) is to connect
Connect the interface of roof rainwater down pipe mouth；
The water stage measurement component (3) is mounted on the grid outer cylinder (1) and between weir interior bucket (2), can measure for calculating
The weir head with weir interior bucket of rainwater down pipe flow out.
2. rainwater down pipe flow measurement device according to claim 1, it is characterised in that: band weir interior bucket (2) is cylinder
Shape is uniformly distributed the multiple weirs of setting on the bucket wall of band weir interior bucket (2).
3. rainwater down pipe flow measurement device according to claim 1 or 2, it is characterised in that: the weir of band weir interior bucket (2)
For curved weir, the opening vertex on weir is in the bottommost with weir interior bucket.
4. rainwater down pipe flow measurement device according to claim 3, which is characterized in that the weir is triangular-notch weir, Cipolletti weir
Or rectangular weir.
5. rainwater down pipe flow measurement device according to claim 1, which is characterized in that the water stage measurement component (3) by
Pressure sensor (3-1), pressure transmitter (3-2) and data record transmitter (3-3) composition；Wherein,
The pressure sensor (3-1) is located at the opening apex on the weir of band weir interior bucket (2)；
The pressure sensor (3-1) is connect by conducting wire with the pressure transmitter (3-2), the pressure transmitter (3-2)
It is electrically connected with the data record transmitter (3-3).
6. rainwater down pipe flow measurement device according to claim 1, which is characterized in that the grid outer cylinder (1) is cylinder
Structure is uniformly distributed the multiple permeable holes (1-1) of setting on the barrel of the grid outer cylinder (1).
7. rainwater down pipe flow measurement device according to claim 6, which is characterized in that the diameter of the permeable hole (1-1)
Are as follows: 10mm~15mm.
8. rainwater down pipe flow measurement device according to claim 1 or 2, which is characterized in that the grid outer cylinder (1) and institute
Stating with the spacing between weir interior bucket (2) is 100mm~150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520195.5A CN110260930A (en) | 2019-06-17 | 2019-06-17 | A kind of measuring device measuring roof rainwater down pipe flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520195.5A CN110260930A (en) | 2019-06-17 | 2019-06-17 | A kind of measuring device measuring roof rainwater down pipe flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110260930A true CN110260930A (en) | 2019-09-20 |
Family
ID=67918500
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910520195.5A Pending CN110260930A (en) | 2019-06-17 | 2019-06-17 | A kind of measuring device measuring roof rainwater down pipe flow |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204359367U (en) * | 2014-12-30 | 2015-05-27 | 广西壮族自治区林业科学研究院 | A kind of miniature right-angle weir device for slope runoff quantitative determination |
| CN105424102A (en) * | 2016-01-05 | 2016-03-23 | 北京建筑大学 | Gutter inlet flow measuring device |
| CN208026321U (en) * | 2018-04-02 | 2018-10-30 | 上海元易勘测设计有限公司 | Automatic flow measuring system based on triangular-notch weir |
| CN109752053A (en) * | 2019-03-04 | 2019-05-14 | 北京建筑大学 | The inlet for stom water flow measurement device of energy auto-flushing |
| CN211373715U (en) * | 2019-06-17 | 2020-08-28 | 中铁建设集团有限公司 | Measuring device for measuring roof rain drop pipe flow |
-
2019
- 2019-06-17 CN CN201910520195.5A patent/CN110260930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204359367U (en) * | 2014-12-30 | 2015-05-27 | 广西壮族自治区林业科学研究院 | A kind of miniature right-angle weir device for slope runoff quantitative determination |
| CN105424102A (en) * | 2016-01-05 | 2016-03-23 | 北京建筑大学 | Gutter inlet flow measuring device |
| CN208026321U (en) * | 2018-04-02 | 2018-10-30 | 上海元易勘测设计有限公司 | Automatic flow measuring system based on triangular-notch weir |
| CN109752053A (en) * | 2019-03-04 | 2019-05-14 | 北京建筑大学 | The inlet for stom water flow measurement device of energy auto-flushing |
| CN211373715U (en) * | 2019-06-17 | 2020-08-28 | 中铁建设集团有限公司 | Measuring device for measuring roof rain drop pipe flow |
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