CN219368880U - Water flow standard device - Google Patents
Water flow standard device Download PDFInfo
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- CN219368880U CN219368880U CN202320602416.5U CN202320602416U CN219368880U CN 219368880 U CN219368880 U CN 219368880U CN 202320602416 U CN202320602416 U CN 202320602416U CN 219368880 U CN219368880 U CN 219368880U
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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 relates to the technical field of flow meter detection, and discloses a water flow standard device, which comprises a test pipeline, a pressure-stabilizing water supply module and a drainage pipeline, wherein the test pipeline is provided with a measured flow meter and a standard component, the pressure-stabilizing water supply module is connected with the test pipeline and is used for pumping a stable water source into the test pipeline, drainage pipelines are arranged at two ends of the test pipeline, which are positioned at the measured flow meter, drainage valves are arranged on the drainage pipelines, and at least one drainage pipeline of the two drainage pipelines is provided with a drainage pump; and/or the test pipeline is connected with a purging device, and the purging device is used for introducing compressed gas into the test pipeline. The water flow standard device rapidly discharges water in the test pipeline where the measured flow instrument is located through the drainage pump or the purging device, shortens the drainage time and improves the drainage efficiency.
Description
Technical Field
The utility model relates to the technical field of flow meter detection, in particular to a water flow standard device.
Background
Before and during the use of the flow meter, in order to ensure the metering performance of the meter to be accurate and reliable, the flow meter should be periodically detected according to the tracing period. Meter testing is typically performed on a laboratory flow standard device. When the meter is detected, the detected meter needs to be detached from the detection pipeline of the flow standard device. In the disassembly process, a large amount of water exists in the test detection pipeline, so that the water in the detected test pipeline needs to be removed. If a large amount of water exists in the pipeline, the pipeline can be sprayed out of the detached flange connection gap when detached, so that risks are brought to flow standard devices, disassembly personnel and laboratory site environments.
In order to avoid the risks, the method adopted at present is to arrange a drain pipe on a test straight pipe section of the inspected meter, and arrange a drain valve on the drain pipe. After the detection of the detected meter is completed, the front straight pipe section switch valve and the rear straight pipe section switch valve where the detected meter is located are closed, and then the drain valve on the drain pipe is opened in sequence, so that a large amount of water is discharged completely, and the safety of the detected meter during dismantling can be ensured.
The method adopted at present is feasible, solves the drainage problem, but in a large-caliber detection pipeline, a large amount of water exists in the pipeline due to the larger caliber of the pipeline, and the caliber of a drain pipe is usually smaller, so that the water in the pipeline can be drained completely only after the drain pipe drains water, the detection working efficiency of the large-caliber flowmeter is seriously influenced, and the problem needs to be solved, and the detection working efficiency of the device is improved.
Disclosure of Invention
The utility model aims to provide a water flow standard device, which solves the problems that negative pressure water is difficult to discharge and the water discharge time is too long in a pipeline when the pipeline of a test detection section is drained through a switch valve in the prior art.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a water flow standard device, comprising:
the test pipeline is provided with a measured flow instrument and a standard component;
the pressure-stabilizing water supply module is connected with the test pipeline and is used for pumping a stable water source into the test pipeline; a kind of electronic device with high-pressure air-conditioning system
The drainage pipelines are arranged at two ends of the test pipeline, which are positioned at the measured flow instrument, and are provided with drainage valves, wherein at least one drainage pipeline of the two drainage pipelines is provided with a drainage pump; and/or the test pipeline is connected with a purging device, and the purging device is used for introducing compressed gas into the test pipeline.
The water flow standard device comprises a test pipeline, a pressure-stabilizing water supply module and a drainage pipeline, wherein a measured flow instrument and a standard component are arranged on the test pipeline, the measured flow instrument is detected through the standard component, drainage pipelines are arranged at two ends of the test pipeline, which are positioned on the measured flow instrument, and a drainage pump is arranged on at least one drainage pipeline of the two drainage pipelines; and/or connect the purge device on the test pipeline, is used for letting in compressed gas to the test pipeline, and then can be through the drain pump or purge device with the water quick discharge in the test pipeline that the flow meter is located, shorten drainage time, improved drainage efficiency.
As a preferable scheme of the water flow standard device, an air inlet valve is arranged on a pipeline connected with the purging device and the test pipeline.
And an air inlet valve arranged on the purging device and the test pipeline is used for controlling the on-off of the purging device and the test pipeline.
As a preferable mode of the water flow rate standard device, the purging device is arranged above the test pipeline.
The purging device is arranged above the test pipeline, and can rapidly discharge water in the test pipeline through the drainage pipeline by blowing compressed gas.
As a preferable scheme of the water flow standard device, valves are arranged on the test pipelines at two ends of the measured flow instrument, and two drainage pipelines are arranged between the two groups of valves.
The valves are arranged on the test pipelines at the two ends of the measured flow instrument, and the on-off of the test pipelines at the two ends of the measured flow instrument is controlled through the valves, so that the requirements of drainage or other scenes are met conveniently.
As a preferable scheme of the water flow standard device, the water discharge pipeline of the water inlet end of the measured flow meter is a first water discharge pipeline, the water discharge pipeline of the water outlet end of the measured flow meter is a second water discharge pipeline, a first water discharge valve and the water discharge pump are arranged on the first water discharge pipeline, and a second water discharge valve is arranged on the second water discharge pipeline.
Through only setting up the drain pump on first drain pipe way, can shorten the time of drainage, improve work efficiency, reduce the setting group number of drain pump moreover, reduce cost.
As an optimized scheme of the water flow standard device, the pressure-stabilizing water supply module comprises a water supply unit and a pressure-stabilizing unit which are connected in series, wherein the water supply unit is used for pumping a water source into the test pipeline, and the pressure-stabilizing unit is used for stabilizing the pressure of the water source.
The pressure-stabilizing water supply module can pump a water source into the test pipeline through the water supply unit, so that the test can be performed; the voltage stabilizing unit is used for stabilizing the voltage of the water source so as to ensure the accuracy of the test.
As a preferable scheme of the water flow standard device, the water supply unit comprises a water tank and a water pump respectively connected with the water tank and the test pipeline.
The water supply unit accommodates a water source through the water tank, and pumps water into the test pipeline smoothly through the water pump.
As a preferable mode of the water flow rate standard device, the water discharge pipeline is arranged opposite to the opening of the water tank or communicated with the water tank.
Through the arrangement, the water in the test pipeline can be discharged into the water tank, so that the water can be recycled, and resources are saved.
As a preferable scheme of the water flow standard device, the pressure stabilizing unit adopts a pressure stabilizing tank.
The voltage stabilizing unit adopts the voltage stabilizing tank, has simple structure and can realize better voltage stabilizing effect.
As a preferable scheme of the water flow standard device, the water flow standard device further comprises a water return pipeline, one end of the water return pipeline is connected with the water outlet end of the test pipeline, and the other end of the water return pipeline is communicated with the water supply unit.
The water return pipeline can realize the cyclic utilization of water, so that the resources are saved.
The utility model has the beneficial effects that:
the utility model provides a water flow standard device, which comprises a test pipeline, a pressure-stabilizing water supply module and a drainage pipeline, wherein a measured flow instrument and a standard component are arranged on the test pipeline, the measured flow instrument is detected through the standard component, the drainage pipelines are arranged at two ends of the test pipeline, which are positioned on the measured flow instrument, and at least one drainage pipeline of the two drainage pipelines is provided with a drainage pump; and/or connect the purge device on the test pipeline, is used for letting in compressed gas to the test pipeline, and then can be through the drain pump or purge device with the water quick discharge in the test pipeline that the flow meter is located, shorten drainage time, improved drainage efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a water flow standard device provided by the utility model.
In the figure:
1. a test pipeline;
10. a measured flow meter; 11. a standard component; 12. a second valve; 13. a third valve; 14. a meter clamping device; 15. a standard table;
2. a pressure-stabilizing water supply module; 21. a water supply unit; 211. a water tank; 212. a water pump; 213. a pump front switching valve; 214. a post-pump regulator valve; 22. a voltage stabilizing unit;
3. a drainage pipeline; 31. a draining pump; 32. a first drain valve; 33. a second drain valve;
4. a purge device; 41. an intake valve;
5. a water return line; 50. a back pressure pipe; 51. a commutator; 52. a backwater switch valve;
53. a gauge; 54. a third drain valve; 55. and (5) a water drain pipe.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Meter testing is typically performed on a laboratory flow standard device. When the meter is detected, the detected meter needs to be detached from the detection pipeline of the flow standard device. In the disassembly process, a large amount of water exists in the test detection pipeline, so that the water in the detected test pipeline needs to be removed. If a large amount of water exists in the pipeline, the pipeline can be sprayed out of the detached flange connection gap when detached, so that risks are brought to flow standard devices, disassembly personnel and laboratory site environments.
In order to avoid the risks, the method adopted at present is to arrange a drain pipe on a test straight pipe section of the inspected meter, and arrange a drain valve on the drain pipe. After the detection of the detected meter is completed, the water in the pipeline between the front switch valve and the rear switch valve is removed completely, the switch valve at the front straight pipe section and the switch valve at the rear straight pipe section are closed, then the drain valve and the air inlet valve on the straight pipe section are sequentially opened, and a large amount of water in the front straight pipe section and the rear straight pipe section of the detected meter is removed completely, so that the safety of the detected meter during the removal can be ensured.
The mode solves the problems that negative pressure occurs in a pipeline during drainage and drainage is slow or water cannot be drained, but in a large-caliber detection pipeline, a large amount of water exists in the pipeline due to larger caliber of the pipeline, and the caliber of a drain pipe is usually smaller, so that long time is required to drain the water in the pipeline completely during drainage through the drain pipe, the detection working efficiency of the large-caliber flowmeter is seriously affected, and the problem needs to be solved, and the detection working efficiency of the device is improved.
In order to solve the above problems, as shown in fig. 1, the water flow standard device provided by the utility model comprises a test pipeline 1, a pressure-stabilizing water supply module 2 and a drainage pipeline 3, wherein a measured flow instrument 10 and a standard component 11 are arranged on the test pipeline 1, the measured flow instrument 10 is arranged on the test pipeline 1 through a meter clamping device 14, the pressure-stabilizing water supply module 2 is connected with the test pipeline 1 and is used for pumping a stable water source into the test pipeline 1, and the drainage pipeline 3 is arranged at two ends of the test pipeline 1, which are positioned at the measured flow instrument 10. A drain valve is arranged on the drain pipelines 3, wherein at least one drain pipeline 3 of the two drain pipelines 3 is provided with a drain pump 31; and/or connect the purge device 4 on the test pipeline 1, the purge device 4 is used for letting in compressed gas to the test pipeline 1, through drain pump 31 or purge device 4 will be surveyed the water in the test pipeline 1 that the flow meter 10 is located and discharge fast, shorten drainage time, improved drainage efficiency.
Specifically, the pressure-stabilizing water supply module 2 comprises a water supply unit 21 and a pressure-stabilizing unit 22 which are connected in series, wherein the water supply unit 21 is used for pumping a water source into the test pipeline 1 so as to ensure that a test can be carried out; the voltage stabilizing unit 22 is used for stabilizing the voltage of the water source so as to ensure the accuracy of the test.
Further, the water supply unit 21 includes a water tank 211 and a water pump 212 connected to the water tank 211 and the test line 1, respectively. The water supply unit 21 receives a water source through the water tank 211, and pumps the water into the test line 1 smoothly through the water pump 212. A pump front switch valve 213 is arranged on a pipeline between the water pump 212 and the water tank 211 to control the on-off of the pipeline between the water pump 212 and the water tank 211, a pump rear regulating valve 214 is arranged between the water pump 212 and the pressure stabilizing unit 22, and the flow of water entering the pressure stabilizing unit 22 is regulated through the pump rear regulating valve 214.
In this embodiment, the voltage stabilizing unit 22 adopts a voltage stabilizing tank, and the voltage stabilizing tank has a simple structure and can achieve a good voltage stabilizing effect. In other embodiments, the pressure stabilizing unit 22 is not limited to the pressure stabilizing tank, and may be other ways as long as the pressure of the water source can be stabilized.
As shown in fig. 1, the water flow standard device further comprises a water return pipeline 5, one end of the water return pipeline 5 is connected with the water outlet end of the test pipeline 1, the other end of the water return pipeline 5 is communicated with the water supply unit 21, and the test pipeline 1, the pressure-stabilizing water supply module 2 and the water return pipeline 5 form a circulating pipeline, so that water recycling is realized, and resources are saved. The water return pipeline 5 comprises a back pressure pipe 50, the back pressure pipe 50 is higher than the test pipeline 1, one end of the back pressure pipe 50 is connected with the test pipeline 1 through a pipeline, and the gas in the test pipeline 1 can be discharged through the back pressure pipe 50, so that the detection precision is improved; the back pressure pipe 50 is provided with a backwater switch valve 52, the other end of the back pressure pipe 50 is connected with a reverser 51, the reverser 51 is connected with two pipelines, one pipeline is provided with a standard gauge 53 and a standard gauge drain valve 54, and the other pipeline is communicated with the water tank 211 through a drain pipe 55. The two branches are reversed through the reverser 51, and the water can be directly discharged through the drain pipe 55; the detection of the error of the flow meter 10 to be detected can be achieved by the gauge 53 and the gauge drain valve 54. The detection of the flow rate of the detected flow meter 10 by the standard gauge 53 belongs to the prior art, and is not described herein.
Optionally, the measured flow meter 10 is detachably mounted on the test pipeline 1, so that the measured flow meter 10 can be conveniently dismounted, and the water flow standard device can detect flow meters of different types. In this embodiment, the flow meter 10 is mounted on the test line 1 by a meter holder 14. The structure of the meter holder 14 and how to mount the meter 10 to be measured on the test pipeline 1 are all of the prior art and will not be described in detail herein.
In order to prevent the risk of water in the test pipeline 1 from being sprayed out when the tested flow meter 10 is detached from the flow standard device, the disassembly personnel and the laboratory site environment, as shown in fig. 1, a second valve 12 and a third valve 13 are respectively arranged at the water inlet end and the water outlet end of the tested flow meter 10, and when water is discharged, the second valve 12 and the third valve 13 are closed so as to intercept the water flow in the test pipeline 1 at the tested flow meter 10; when the clamping of the measured flow meter 10 is finished or the device is used for normal detection, the second valve 12 and the third valve 13 are opened.
In order to improve the drainage efficiency, the problem of lower drainage efficiency caused by negative pressure in the drainage process is prevented, and a drainage pipeline 3 is respectively arranged at the water inlet end and the water outlet end of the tested flow meter 10 of the test pipeline 1. Specifically, drainage pipeline 3 includes drainage inlet tube, drain valve and drainage outlet pipe, and drainage inlet tube is linked together with test pipeline 1, and the drain valve sets up in the low reaches of drainage inlet tube, and the drainage outlet pipe sets up in the low reaches of drain valve, and drainage pipeline 3 extends from top to bottom to the discharge of water of being convenient for, in this embodiment, drainage pipeline 3 is mutually perpendicular with test pipeline 1.
Further, in order to avoid the waste of water resources, the water discharged from the water outlet end of the water discharge pipeline 3 flows into the water tank 211, namely, the water outlet of the water discharge pipe of the water discharge pipeline 3 and the tank opening of the water tank 211 are oppositely arranged, and the water discharge pipe of the water discharge pipeline 3 can extend into the water tank 211 to be communicated with the water tank 211, and the water is discharged into the water tank 211 through the water discharge pipe, so that the cyclic utilization of the water resources is realized.
For convenience of description, the drain pipeline 3 at the water inlet end of the measured flow meter 10 is a first drain pipeline, the drain pipeline 3 at the water outlet end of the measured flow meter 10 is a second drain pipeline, the drain pump 31 is arranged on the first drain pipeline or the second drain pipeline, and water on the test pipeline 1 between the second drain valve 33 and the first drain valve 32 is pumped through the drain pump 31, so that rapid drainage of water is realized. Of course, the drain pump 31 may be provided on both the first drain line and the second drain line.
In this embodiment, the drain pump 31 and the first drain valve 32 are disposed on the first drain pipe, the drain pump 31 is disposed on the drain pipe below the first drain valve 32, the second drain valve 33 is disposed on the second drain pipe, and the on/off of the corresponding drain pipe 3 is controlled by the first drain valve 32 and the second drain valve 33, respectively. By arranging the drainage pump 31 on the first drainage pipeline, the drainage time is shortened, and the working efficiency is improved; and the number of set-up groups of the drain pump 31 is reduced, thereby reducing the cost. Of course, the drain pump 31 may be provided on the second drain line.
Further, as shown in fig. 1, the test line 1 may be provided above the test line 1, and the water in the test line 1 may be rapidly discharged through the drain line 3 by blowing compressed gas, thereby avoiding residue.
Of course, the drain pump 31 and the purge device 4 may be provided at the same time to further improve the drain efficiency. In use, the drain pump 31 and the purge device 4 may be used independently in stages or simultaneously.
Optionally, each valve, drain pump 31, purge device 4 is connected to the control cabinet industrial personal computer through control lines to achieve automatic control.
Can be improved by utilizing the existing water flow standard device, and the improvement mode is as follows:
1) The lower part of a test pipeline 1 of the water flow standard device is provided with a hole;
2) Welding a drainage water inlet pipe to an opening of the test pipeline 1;
3) A drain valve is arranged at the downstream of the drain water inlet pipe;
4) A drain pump 31 is installed downstream of the drain valve;
5) A drain pipe through which water is introduced into the water tank 211 is installed downstream of the drain pump 31;
6) A purging device 4 is additionally arranged at the upstream of an air inlet valve 41 above the test pipeline 1;
7) The valves, the drain valve, the air inlet valve 41, the drain pump 31 and the purging device 4 are connected to the control cabinet industrial personal computer through control lines;
8) The control of the drain valve, drain pump 31, and intake valve 41 is performed remotely in the control room.
By additionally arranging the drainage pump 31 and the purging device 4 in the test pipeline 1, the problems that negative pressure and slow drainage occur in the pipeline when the pipeline of the test section is drained after the front and rear straight pipe section switch valves of the detected flow meter 10 are closed are solved, and the quick drainage of the test pipeline 1 is realized.
It should be noted that the water flow standard device is not limited to be improved by the existing water flow standard device, and can also be directly prepared according to the structure of the water flow standard device.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The water flow standard device is characterized by comprising:
the device comprises a test pipeline (1), wherein a measured flow instrument (10) and a standard component (11) are arranged on the test pipeline (1);
the pressure-stabilizing water supply module (2) is connected with the test pipeline (1) and is used for pumping a stable water source into the test pipeline (1); a kind of electronic device with high-pressure air-conditioning system
The drainage pipeline (3), both ends of the test pipeline (1) which are positioned at the tested flow meter (10) are provided with the drainage pipeline (3), the drainage pipeline (3) is provided with a drainage valve, and at least one drainage pipeline (3) of the two drainage pipelines (3) is provided with a drainage pump (31); and/or the test pipeline (1) is connected with a purging device (4), and the purging device (4) is used for introducing compressed gas into the test pipeline (1).
2. Water flow standard device according to claim 1, characterized in that the purge device (4) is provided with an inlet valve (41) on the line connected to the test line (1).
3. The water flow rate standard device according to claim 1, characterized in that the purging device (4) is arranged above the test line (1).
4. The water flow standard device according to claim 1, characterized in that valves are arranged on the test pipelines (1) at the two ends of the measured flow meter (10), and two drainage pipelines (3) are arranged between the two groups of valves.
5. The water flow rate standard device according to claim 4, characterized in that the water drain pipeline (3) of the water inlet end of the measured flow meter (10) is a first water drain pipeline, the water drain pipeline (3) of the water outlet end of the measured flow meter (10) is a second water drain pipeline, a first water drain valve (32) and the water drain pump (31) are arranged on the first water drain pipeline, and a second water drain valve (33) is arranged on the second water drain pipeline.
6. The water flow rate standard device according to any one of claims 1-5, characterized in that the regulated water supply module (2) comprises a water supply unit (21) and a regulated unit (22) connected in series, the water supply unit (21) being used for pumping a water source into the test line (1), the regulated unit (22) being used for regulating the pressure of the water source.
7. The water flow rate standard device according to claim 6, characterized in that the water supply unit (21) comprises a water tank (211) and a water pump (212) connected to the water tank (211) and the test line (1), respectively.
8. The water flow rate standard device according to claim 7, characterized in that the drain line (3) is arranged opposite to the opening of the water tank (211) or that the drain line (3) is in communication with the water tank (211).
9. The water flow rate standard device according to claim 6, wherein the pressure stabilizing unit (22) employs a pressure stabilizing tank.
10. The water flow rate standard device according to claim 6, further comprising a water return pipeline (5), wherein one end of the water return pipeline (5) is connected with the water outlet end of the test pipeline (1), and the other end of the water return pipeline (5) is communicated with the water supply unit (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602416.5U CN219368880U (en) | 2023-03-24 | 2023-03-24 | Water flow standard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602416.5U CN219368880U (en) | 2023-03-24 | 2023-03-24 | Water flow standard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219368880U true CN219368880U (en) | 2023-07-18 |
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ID=87144652
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320602416.5U Active CN219368880U (en) | 2023-03-24 | 2023-03-24 | Water flow standard device |
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| Country | Link |
|---|---|
| CN (1) | CN219368880U (en) |
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2023
- 2023-03-24 CN CN202320602416.5U patent/CN219368880U/en active Active
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