CN211373715U - Measuring device for measuring roof rain drop pipe flow - Google Patents
Measuring device for measuring roof rain drop pipe flow Download PDFInfo
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- CN211373715U CN211373715U CN201920904550.4U CN201920904550U CN211373715U CN 211373715 U CN211373715 U CN 211373715U CN 201920904550 U CN201920904550 U CN 201920904550U CN 211373715 U CN211373715 U CN 211373715U
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Abstract
The utility model relates to a survey measuring device of roof raindrop pipe flow, include: the device comprises a grid outer barrel, an inner barrel with a weir and a water level measuring component; the grid outer barrel is sleeved on the periphery of the inner barrel with the weir and keeps a gap with the inner barrel with the weir; the size of the inner barrel with the weir is matched with the opening of the roof rain drop pipe, and the bottom of the inner barrel with the weir is provided with an interface for connecting the opening of the roof rain drop pipe; the water level measuring component is arranged between the grid outer barrel and the inner barrel with the weir, and can measure the weir water head of the inner barrel with the weir, which is used for calculating the flow of the rain drop pipe. The utility model has the advantages that; through setting up the interior bucket of taking the weir that can be connected with roof rain drop pipe orifice to take the weir overcoat to establish the grid urceolus, simultaneously at the grid urceolus with take the weir in between the bucket set up the water level survey subassembly, can survey be used for calculating the rain drop pipe flow take the weir head of the interior bucket of weir, realize the water yield of accurate survey rain drop pipe. The device has simple structure, convenient use and accurate water volume measurement. The method can be widely used for measuring the water quantity of the rain drop pipe in the city.
Description
Technical Field
The utility model relates to a rainwater water yield metering device particularly, relates to a survey measuring device of roof raindrop pipe flow.
Background
In sponge city construction, roof rainwater converges to the rain drop pipe in, the water yield of the rain drop pipe needs to be measured. The method is characterized in that gas-water two-phase flow is formed in a raindrop pipe, and the conventional flowmeters such as an ultrasonic flowmeter are adopted, so that the difficulty in accurately measuring the rainwater flow of a pipeline is high, and other ideal flow measuring devices capable of accurately measuring the water quantity of the raindrop pipe are not provided at present.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model aims at providing a survey measuring device of roof raindrop pipe flow, the water yield of ability accurate survey raindrop pipe.
The utility model aims at realizing through the following technical scheme: a raindrop tube flow measurement device comprising:
a grid outer barrel 1, an inner barrel 2 with a weir and a water level measuring component 3; wherein the content of the first and second substances,
the grid outer barrel 1 is sleeved on the periphery of the inner barrel 2 with the weir and keeps a gap with the inner barrel 2 with the weir;
the size of the inner barrel 2 with the weir is matched with the opening of the roof rain drop pipe, and the bottom of the inner barrel 2 with the weir is provided with an interface for connecting the opening of the roof rain drop pipe;
the water level measuring component 3 is arranged between the grid outer barrel 1 and the inner barrel 2 with the weir, and can measure the weir water head of the inner barrel with the weir, which is used for calculating the flow of the rain drop pipe.
Further, the inner barrel 2 with the weir is cylindrical, and a plurality of weirs are uniformly distributed on the barrel wall of the inner barrel 2 with the weir.
Further, the weir of the inner barrel 2 with the weir is an arc weir, and the opening top point of the weir is arranged at the bottommost part of the inner barrel with the weir.
Further, the weir is a triangular weir, a trapezoidal weir or a rectangular weir.
Further, the water level measuring component 3 consists of a pressure sensor 3-1, a pressure transmitter 3-2 and a data recording transmitter 3-3; wherein the content of the first and second substances,
the pressure sensor 3-1 is arranged at the opening top of the weir of the inner barrel 2 with the weir;
the pressure sensor 3-1 is connected with the pressure transmitter 3-2 through a lead, and the pressure transmitter 3-2 is electrically connected with the data recording transmitter 3-3.
Further, the outer grid cylinder 1 is of a cylinder structure, and a plurality of water permeable holes 1-1 are uniformly distributed on the cylinder wall of the outer grid cylinder 1.
Further, the diameter of the water permeable holes 1-1 is as follows: 10 mm-15 mm.
Further, the distance between the grid outer cylinder 1 and the inner cylinder 2 with the weir is 100 mm-150 mm.
The utility model has the advantages that: through setting up the interior bucket of taking the weir that can be connected with roof rain drop pipe orifice to take the weir overcoat to establish the grid urceolus, simultaneously at the grid urceolus with take the weir in between the bucket set up the water level survey subassembly, can survey be used for calculating the rain drop pipe flow take the weir head of the interior bucket of weir, realize the water yield of accurate survey rain drop pipe. The device has simple structure, convenient use and accurate water volume measurement. The method can be widely used for measuring the water quantity of the rain drop pipe in the city.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of a downpipe flow measuring device according to an embodiment of the present invention;
FIG. 2 is a schematic view of an expanded state of an inner barrel with a weir according to an embodiment of the present invention;
fig. 3 is a schematic view of the expanded state of the outer cylinder of the grid according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, a raindrop pipe flow measuring device according to an embodiment of the present invention accurately measures the water volume of a raindrop pipe, and is particularly suitable for measuring the flow of a roof plane raindrop pipe, including:
a grid outer barrel 1, an inner barrel 2 with a weir and a water level measuring component 3; wherein the content of the first and second substances,
the grid outer barrel 1 is sleeved on the periphery of the inner barrel 2 with the weir and keeps a gap with the inner barrel 2 with the weir;
the size of the inner barrel 2 with the weir is matched with the opening of the roof rain drop pipe, and the bottom of the inner barrel 2 with the weir is provided with an interface for connecting the opening of the roof rain drop pipe;
the water level measuring component 3 is arranged between the grid outer barrel 1 and the inner barrel 2 with the weir, and can measure the weir water head of the inner barrel with the weir, which is used for calculating the flow of the rain drop pipe.
In the device, the inner barrel 2 with the weir is cylindrical, and a plurality of weirs are uniformly distributed on the barrel wall of the inner barrel 2 with the weir.
In the device, the weir of the inner barrel 2 with the weir is an arc weir, and the opening top point of the weir is arranged at the bottommost part of the inner barrel with the weir.
In the above device, the weir is a triangular weir, a trapezoidal weir or a rectangular weir.
In the device, the water level measuring component 3 consists of a pressure sensor 3-1, a pressure transmitter 3-2 and a data recording transmitter 3-3; wherein the content of the first and second substances,
the pressure sensor 3-1 is arranged at the opening top of the weir of the inner barrel 2 with the weir;
the pressure sensor 3-1 is connected with the pressure transmitter 3-2 through a lead, and the pressure transmitter 3-2 is electrically connected with the data recording transmitter 3-3.
In the device, the outer grid cylinder 1 is of a cylinder structure, and a plurality of water permeable holes 1-1 are uniformly distributed on the cylinder wall of the outer grid cylinder 1.
In the above device, the diameter of the water permeable holes 1-1 is: 10 mm-15 mm, the grid outer cylinder 1 can prevent sundries from entering the inner barrel 2 with the weir and the rain drop pipe.
In the device, the distance between the grid outer cylinder 1 and the inner barrel 2 with the weir is 100-150 mm, the grid outer cylinder 1 and the inner barrel 2 with the weir can be connected with each other, and the distance can form high water level in the inner barrel 1 with the weir, so that relatively large measurement pressure is obtained, and more accurate measurement is ensured.
When the device is used, rainwater enters between the grid outer cylinder and the inner barrel with the weir through the water permeable holes of the grid outer cylinder, then enters the rain drop pipe through the arc weir of the inner barrel with the weir, the water head on the weir is measured by the water level measuring component, and the flow of the rain drop pipe is calculated.
The utility model discloses a rain drop pipe flow measuring device under the circumstances that does not influence roof rainwater drainage, has solved the two-phase flowing water flow of air-water flow measurement big problem of the degree of difficulty in the rain drop pipe, adopts the pipe upper band arc weir plate technique at rain drop pipe water inlet, through the measurement to arc weir flow, obtains the rain drop pipe flowmeter of enough precision and range.
The flow measuring device provided by the embodiment comprises a grid outer barrel 1, an inner barrel 2 with a weir and a water level measuring component 3, wherein the grid outer barrel 1 is sleeved outside the inner barrel 2 with the weir, the bottom of the inner barrel 2 with the weir is connected with a rain drop pipe, the water level measuring component 3 is arranged between the grid outer barrel 1 and the inner barrel 2 with the weir, the water level measuring component 3 comprises a pressure sensor 3-1, a pressure transmitter 3-2 and a data recording transmitter 3-3, the pressure sensor 3-1, the pressure transmitter 3-2 and the data recording transmitter 3-3 are sequentially connected through a conducting wire, and the pressure sensor 3-1 is arranged at the bottom between the grid outer barrel 1 and the inner barrel 2 with the weir.
When the device is used specifically, rainwater flows into the inner barrel 2 with the weir through the grid outer barrel 1, flows into the rain drop pipe through the inner barrel 2 with the weir, the water level measuring component 3 measures the water head on the corresponding weir, the flow of the weir is obtained by calibrating the corresponding relation between the flow and the average water head on the weir, and the flow of the rain drop pipe can be obtained by summing the flows of all weirs.
The grid outer cylinder 1 is used for preventing large-sized solid matters in rainwater flow from entering the flow measuring device and influencing the accuracy of flow measurement.
The utility model discloses a water level determination is measured through water level determination subassembly 3, and the rainwater flows in grid urceolus 1, and different depth of water makes water level determination subassembly 3's pressure sensor 3-1 send out strain voltage or current signal, provides pressure transmitter 3-2, becomes the water level height through pressure transmitter 3-2, sends data record transmitter 3-3, and data record transmitter 3-3 can take notes the water level height or transmit to the peripheral hardware in, and then calculate the water yield according to the water level height.
The utility model discloses a device can carry out accurate measurement to the rain pipe flow.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (8)
1. A measuring device for measuring roof rain drop pipe flow, comprising:
a grid outer cylinder (1), an inner barrel (2) with a weir and a water level measuring component (3); wherein the content of the first and second substances,
the grid outer barrel (1) is sleeved on the periphery of the inner barrel (2) with the weir and keeps a gap with the inner barrel (2) with the weir;
the size of the inner barrel (2) with the weir is matched with the opening of the roof rain drop pipe, and the bottom of the inner barrel (2) with the weir is provided with an interface for connecting the opening of the roof rain drop pipe;
the water level measuring component (3) is arranged between the grid outer barrel (1) and the inner barrel (2) with the weir, and can measure the weir water head of the inner barrel with the weir, which is used for calculating the flow of the rain drop pipe.
2. A measuring device for determining roof fall pipe flow according to claim 1, wherein: the inner barrel (2) with the weir is cylindrical, and a plurality of weirs are uniformly distributed on the barrel wall of the inner barrel (2) with the weir.
3. A measuring device for determining roof fall pipe flow according to claim 1 or 2, characterized in that: the weir of the inner barrel (2) with the weir is an arc weir, and the opening top of the weir is positioned at the bottommost part of the inner barrel with the weir.
4. A roof rain pipe flow measuring device according to claim 3, characterised in that the weir is a triangular weir, a trapezoidal weir or a rectangular weir.
5. A measuring device for roof storm drain flow according to claim 1, characterized in that said water level gauging assembly (3) consists of a pressure sensor (3-1), a pressure transmitter (3-2) and a data logging transmitter (3-3); wherein the content of the first and second substances,
the pressure sensor (3-1) is arranged at the opening top of the weir of the inner barrel (2) with the weir;
the pressure sensor (3-1) is connected with the pressure transmitter (3-2) through a lead, and the pressure transmitter (3-2) is electrically connected with the data recording transmitter (3-3).
6. The measuring device for measuring the flow rate of the roof rain pipe according to claim 1 is characterized in that the outer grid cylinder (1) is of a cylindrical structure, and a plurality of water permeable holes (1-1) are uniformly distributed on the wall of the outer grid cylinder (1).
7. A measuring device for roof raindrop pipe flow, according to claim 6, characterized in that the diameter of the water permeable holes (1-1) is: 10 mm-15 mm.
8. The measuring device for measuring the flow rate of the roof rain pipe according to claim 1 or 2, wherein the distance between the outer grid barrel (1) and the inner barrel (2) with the weir is 100 mm-150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904550.4U CN211373715U (en) | 2019-06-17 | 2019-06-17 | Measuring device for measuring roof rain drop pipe flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904550.4U CN211373715U (en) | 2019-06-17 | 2019-06-17 | Measuring device for measuring roof rain drop pipe flow |
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| Publication Number | Publication Date |
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| CN211373715U true CN211373715U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920904550.4U Active CN211373715U (en) | 2019-06-17 | 2019-06-17 | Measuring device for measuring roof rain drop pipe flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260930A (en) * | 2019-06-17 | 2019-09-20 | 中铁建设集团有限公司 | A kind of measuring device measuring roof rainwater down pipe flow |
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2019
- 2019-06-17 CN CN201920904550.4U patent/CN211373715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260930A (en) * | 2019-06-17 | 2019-09-20 | 中铁建设集团有限公司 | A kind of measuring device measuring roof rainwater down pipe flow |
| CN110260930B (en) * | 2019-06-17 | 2024-06-18 | 中铁建设集团有限公司 | Measuring device for measuring flow of roof rain drop pipe |
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