CN219914600U - Flowmeter water yield checking device - Google Patents
Flowmeter water yield checking device Download PDFInfo
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- CN219914600U CN219914600U CN202321613725.9U CN202321613725U CN219914600U CN 219914600 U CN219914600 U CN 219914600U CN 202321613725 U CN202321613725 U CN 202321613725U CN 219914600 U CN219914600 U CN 219914600U
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- flowmeter
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- measuring groove
- flow
- buffering
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 230000003139 buffering effect Effects 0.000 claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 238000012795 verification Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model provides a flowmeter water quantity checking device, and belongs to the technical field of hydrologic flow. The device comprises a circulating water pump, a water tank, a flowmeter measuring groove, a standard flowmeter and a flow regulating valve, wherein a water level bank and a buffering chopper are arranged in the flowmeter measuring groove. The circulating water pump is connected with the water tank and the flowmeter measuring groove through a water pipe, a flow regulating valve is arranged at the position, close to the flowmeter measuring groove, of the water pipe, and the detected flowmeter obtains actual measurement flow through the flowmeter measuring groove. When the circulating water pump is started, the device forms a water circulation loop, the standard flow is regulated by the flow regulating valve according to the flow measuring range of the detected flowmeter, and the standard flowmeter displays the standard flow; meanwhile, the detected flowmeter obtains the actually measured flow through a flowmeter measuring groove; and comparing the standard flow with the measured flow to check the water quantity of the detected flowmeter. The device checks the flowmeter through the comparison of standard flow and actual measurement flow, and reasonable in design, the function is practical, easy operation is convenient for popularize on a large scale.
Description
Technical Field
The utility model relates to the technical field of hydrologic flow, in particular to a flow meter water quantity checking device.
Background
The flow is an important hydrologic parameter, and the accurate monitoring has close relation with water resource protection, water environment treatment and water ecology improvement. Currently, various flow meters, such as ultrasonic flow meters, differential pressure flow meters, electromagnetic flow meters, etc., are designed according to acoustic, force, electrical, thermal, etc., principles. The flowmeter must be calibrated strictly after leaving the factory, but after a certain period of actual use, the flowmeter must be recalibrated periodically due to environmental changes, severe wear or dirt and other factors. Among the past flowmeter calibration devices, the more commonly used methods are the volumetric method and the weighing method, and the standard meter method plays an important role along with the continuous improvement of the precision of the flowmeter nowadays, namely, the standard meter method is a method of comparing the standard meter with the calibrated meter. The re-certification of the flowmeter is frequent and the technical content is relatively high, and the flowmeter user usually sends the flowmeter to a technical supervision department, a metering yard or a return factory for calibration. Therefore, the flowmeter water quantity checking device which is simple to operate and accurate in verification is provided, and has important significance.
Disclosure of Invention
The utility model aims to provide a flowmeter water quantity checking device.
The device comprises a circulating water pump, a water tank, a flowmeter measuring groove, a standard flowmeter and a flow regulating valve,
the water tank is arranged below the tail end of the flowmeter measuring groove, the water tank is connected with the water inlet end of the flowmeter measuring groove through a water pipe, the water pipe is connected with a circulating water pump, a standard flowmeter is arranged on the water pipe, a flow regulating valve is arranged on the water pipe at the flowmeter measuring groove, and the detected flowmeter stretches into the flowmeter measuring groove.
The circulating water pump provides power to enable water in the device to circularly flow; the water tank is a water storage; the detected flowmeter obtains the actually measured flow through a flowmeter measuring groove; the standard flowmeter displays the standard flow; the standard flow is regulated through the flow regulating valve, so that the flow meter checking requirements of different measuring ranges can be met.
A water level bank and a buffer chopper are arranged in the flow meter measuring groove,
the water level ridge is positioned at a water outlet at the tail end of the flow meter measuring groove and is vertically arranged on the inner bottom surface of the flow meter measuring groove;
the buffering chops comprise three buffering chops A, wherein the buffering chops A are arranged at the water outlet at the tail end of the flowmeter measuring groove, the buffering chops A are fixed on the two side walls of the flowmeter measuring groove, and the lower opening of the buffering chops A is the water outlet of the flowmeter measuring groove; the buffering is cut B and is cut C to be set up at the flowmeter measuring cell water inlet, and buffering is cut B and is cut C and buffering and cut A parallel arrangement, wherein, buffering is cut B bottom and is left blank, and buffering is cut C top and is left blank.
The water level ridge is 0.1-0.2 m (generally about 0.1 m) away from the water outlet at the tail end of the flow measuring groove of the flow meter, and the height of the water level ridge is about 1/5-2/5 of the depth of the flow measuring groove of the flow meter.
The buffer chop A bottom is about 1/5-2/5 (typically about 3/10) of the flow meter metering slot depth from the flow meter metering slot bottom, the buffer chop B bottom is about 1/5-2/5 (typically about 3/10) of the flow meter metering slot depth from the flow meter metering slot bottom, the buffer chop C height is about 4/5-3/5 (typically about 7/10) of the flow meter metering slot depth, the buffer chop A and buffer chop B are not less than 3/4 (typically about 4/5) of the flow meter metering slot length, and the buffer chop B and buffer chop C are 0.1-0.2 meter (typically about 0.15 meter).
And a water outlet at the tail end of the water pipe is positioned in a groove formed by the buffering chopper C and the side wall of the water inlet end of the flow measuring groove of the flowmeter.
The water tank is cuboid, the length-to-width ratio is about 5:3:4, and the water storage amount is not less than 0.8 cubic meter. One end of the water tank is connected with the flow meter measuring groove, and the other end of the water tank is connected with the circulating water pump through a water pipe. The flow parameter of the circulating water pump meets the requirement of maximum check water quantity.
The flowmeter measuring launder is the cuboid, and aspect ratio is about 10:1:1, and water tank and installing support respectively in flowmeter measuring launder bottom both ends.
The length of the flow measuring groove of the flowmeter is not less than 1.5 meters. The sufficient groove length, the water level ridge and the existence of buffer chops ensure the feasible stability of the flow measuring environment of the checked flowmeter
The measuring range of the standard flowmeter is 0-10m 3 And/h. The standard flowmeter clearly displays the standard flow under a certain flow condition, and can adapt to the water quantity checking requirements of different flow meters.
The flow regulating valve can accurately regulate different standard flows.
The technical scheme of the utility model has the following beneficial effects:
in the scheme, the device forms a water resource circulation loop, so that water resources are saved; the built-in water level ridge and the buffer chopper of the flowmeter measuring groove can ensure the feasibility and stability of the measuring environment of the checked flowmeter; the method is simple and accurate in general, convenient to operate, suitable for the water quantity checking requirements of different flow meters and suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic diagram of a flow meter water quantity checking device of the utility model;
fig. 2 is a schematic diagram of a cross-sectional structure of a flow meter flow cell in the flow meter water quantity checking device of the utility model.
Wherein: 1-circulating water pump, 2-water tank, 3-flowmeter measuring groove, 4-standard flowmeter, 5-flow control valve, 6-water pipe, 7-installing support, 301-water level bank, 302-buffering cut A, 303-buffering cut B, 304-buffering cut C.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a flowmeter water quantity checking device.
As shown in fig. 1, the device comprises a circulating water pump 1, a water tank 2, a flowmeter measuring groove 3, a standard flowmeter 4 and a flow regulating valve 5,
the water tank 2 is arranged below the tail end of the flowmeter measuring groove 3, the water tank 2 is connected with the water inlet end of the flowmeter measuring groove 3 through a water pipe 6, the water pipe 6 is connected with the circulating water pump 1, the water pipe 6 is provided with the standard flowmeter 4, the water pipe 6 at the position of the flowmeter measuring groove 3 is provided with the flow regulating valve 5, and the detected flowmeter extends into the flowmeter measuring groove 3.
The water tank 2 and the mounting bracket 7 are respectively supported at two ends of the bottom of the flow measuring groove of the flowmeter.
The measuring range of the standard flowmeter 4 is 0-10m 3 /h。
As shown in fig. 2, a water level ridge 301 and a buffer chopper are built in the flowmeter measuring groove 3,
the water level ridge 301 is positioned at a water outlet at the tail end of the flow measuring groove of the flow meter, and the water level ridge 301 is vertically arranged on the inner bottom surface of the flow measuring groove of the flow meter;
the buffering chops comprise three buffering chops A302, wherein the buffering chops A302 are arranged at the water outlet at the tail end of the flowmeter measuring groove, the buffering chops A302 are fixed on the two side walls of the flowmeter measuring groove, and the lower opening of the buffering chops A302 is the water outlet of the flowmeter measuring groove; buffering is cut B303 and buffering is cut C304 and is set up at flowmeter measuring cell water inlet end, and buffering is cut B303 and buffering is cut C304 and buffering is cut A302 parallel arrangement, wherein, buffering is cut B303 bottom and is left blank, buffering is cut C304 top and is left blank.
The water outlet at the tail end of the water pipe 6 is positioned in a groove formed by the buffering chopper C and the side wall of the water inlet end of the flow measuring groove of the flowmeter.
In practical design, the water tank 2 is a cuboid, the length of which is 1.2m, the width of which is 0.72m, and the height of which is 0.96m; the mounting bracket 7 has a height of 1m, the flowmeter measuring groove is cuboid, the length of the flowmeter measuring groove is 2.5m, and the width and the height of the flowmeter measuring groove are both 0.25m.
In the measuring groove of the flowmeter,
the water level ridge is 0.1m away from the water outlet at the tail end of the measuring groove of the flowmeter, and the height of the water level ridge is 0.05m;
the bottom of the buffer chopper A is 0.08m away from the bottom of the flow measuring groove of the flow measuring meter, the bottom of the buffer chopper B is 0.08m away from the bottom of the flow measuring groove of the flow measuring meter, the height of the buffer chopper C is 0.18m, the distance between the buffer chopper A and the buffer chopper B is 2.1m, and the distance between the buffer chopper B and the buffer chopper C is 0.15m.
When the flowmeter water quantity checking device is used, all components are connected through the water pipe 6, the detected flowmeter obtains actual measurement flow by measuring flow in the flowmeter measuring groove 3, and the flow regulating valve 5 is regulated according to the measuring flow range of the checked flowmeter, so that the standard flowmeter 4 stably stays to indicate a specific flow, and the actual measurement flow of the detected flowmeter is compared with the standard flow displayed by the standard flowmeter 4, so that the checked flowmeter is checked.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (9)
1. The flowmeter water quantity checking device is characterized by comprising a circulating water pump, a water tank, a flowmeter measuring groove, a standard flowmeter and a flow regulating valve,
the water tank is arranged below the tail end of the flowmeter measuring groove, the water tank is connected with the water inlet end of the flowmeter measuring groove through a water pipe, the water pipe is connected with a circulating water pump, a standard flowmeter is arranged on the water pipe, a flow regulating valve is arranged on the water pipe at the flowmeter measuring groove, and the detected flowmeter stretches into the flowmeter measuring groove.
2. The flowmeter water quantity checking device according to claim 1, wherein a water level bank and a buffer chopper are built in the flowmeter measuring groove,
the water level ridge is positioned at a water outlet at the tail end of the flow meter measuring groove and is vertically arranged on the inner bottom surface of the flow meter measuring groove;
the buffering chops comprise three buffering chops A, wherein the buffering chops A are arranged at the water outlet at the tail end of the flowmeter measuring groove, the buffering chops A are fixed on the two side walls of the flowmeter measuring groove, and the lower opening of the buffering chops A is the water outlet of the flowmeter measuring groove; the buffering is cut B and is cut C to be set up at the flowmeter measuring cell water inlet, and buffering is cut B and is cut C and buffering and cut A parallel arrangement, wherein, buffering is cut B bottom and is left blank, and buffering is cut C top and is left blank.
3. The flowmeter water quantity checking device according to claim 2, wherein the water level ridge is 0.1-0.2 m from the water outlet at the end of the flowmeter measuring groove, and the height of the water level ridge is 1/5-2/5 of the depth of the flowmeter measuring groove.
4. The flow meter water quantity checking device according to claim 2, wherein the distance from the bottom of the buffer chop a to the bottom of the flow meter measuring groove is 1/5-2/5 of the depth of the flow meter measuring groove, the distance from the bottom of the buffer chop B to the bottom of the flow meter measuring groove is 1/5-2/5 of the depth of the flow meter measuring groove, the height of the buffer chop C is 4/5-3/5 of the depth of the flow meter measuring groove, the distances between the buffer chop a and the buffer chop B are not less than 3/4 of the length of the flow meter measuring groove, and the distance between the buffer chop B and the buffer chop C is 0.1-0.2 meter.
5. The flowmeter water yield check device according to claim 2, wherein the water outlet at the end of the water pipe is located in a groove formed by the buffer chop C and the side wall of the water inlet end of the flowmeter measuring groove.
6. The flowmeter water quantity checking device according to claim 1, wherein said water tank is rectangular parallelepiped, and the stored water quantity is not less than 0.8 cubic meter.
7. The flowmeter water yield checking device according to claim 1, wherein the flowmeter measuring groove is rectangular, the aspect ratio is 10:1:1, and the water tank and the mounting bracket are respectively supported at two ends of the bottom of the flowmeter measuring groove.
8. The flowmeter water flow verification device of claim 1, wherein the flowmeter flow cell length is no less than 1.5 meters.
9. The flowmeter water flow verification device of claim 1, wherein the standard flowmeter range is 0-10m 3 /h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613725.9U CN219914600U (en) | 2023-06-25 | 2023-06-25 | Flowmeter water yield checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613725.9U CN219914600U (en) | 2023-06-25 | 2023-06-25 | Flowmeter water yield checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914600U true CN219914600U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321613725.9U Active CN219914600U (en) | 2023-06-25 | 2023-06-25 | Flowmeter water yield checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914600U (en) |
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2023
- 2023-06-25 CN CN202321613725.9U patent/CN219914600U/en active Active
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