CN216869654U - DN300-DN3000 intelligent automatic water flow testing standard device - Google Patents
DN300-DN3000 intelligent automatic water flow testing standard device Download PDFInfo
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- CN216869654U CN216869654U CN202123430247.1U CN202123430247U CN216869654U CN 216869654 U CN216869654 U CN 216869654U CN 202123430247 U CN202123430247 U CN 202123430247U CN 216869654 U CN216869654 U CN 216869654U
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Abstract
The utility model provides a DN300-DN3000 intelligent standard device for automatically testing water flow, which comprises a liquid storage tank, an overflow tower, a pressure stabilizing tank, a liquid supply module, a water return header pipe and a control system, wherein the liquid storage tank is connected with the overflow tower; the bottom of the overflow tower is communicated with the liquid storage tank through a water supply pipe section, and the water supply pipe section comprises a first water supply pipe, a second water supply pipe and a third water supply pipe; a shunt pipe section is arranged between the pressure stabilizing tank and the liquid supply module; and a detection pipe section is arranged between the liquid supply module and the water return main pipe, and each detection branch pipe is provided with two detected meter positions at an adaptive position and respectively used for loading a standard meter and a measured flow meter. The utility model can directly install the measured flowmeter, does not need to debug and install pipelines, and can complete the test task of a plurality of pipelines in the DN300-DN3000 interval by using three pipelines, thereby saving the installation space and the manufacturing cost to a certain extent.
Description
Technical Field
The utility model belongs to the field of flow testing, and particularly relates to a DN300-DN3000 intelligent automatic water flow testing standard device.
Background
At present, with the development of economy in China, domestic large-caliber water flow meters are increasing day by day, and the metering of the large-caliber water flow meters mostly adopts a standard meter method, namely a high-accuracy flow meter is adopted, and a low-accuracy flow meter is calibrated. However, the domestic large-caliber water flow standard device needs a large amount of space for placing pipelines with different calibers and matched sensing equipment of each pipeline, so that the structure and parts of the whole device are complicated.
And when the water flow standard device is used for flow test, the installation position and the installation height need to be adjusted according to different types of the standard meter and the tested meter. At present, frequent debugging and installation can affect the stability of the whole device, for example, in a water flow rate standard device described in the application document of the publication No. CN204807167U, a lifting mechanism is used to adjust the position and height of a standard meter and a measured flowmeter, but the structure is still complex, and frequent pipeline installation still easily causes the pipeline to be worn to affect the measurement result and the stability of the whole device.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a DN300-DN3000 intelligent standard device for automatically testing water flow.
The technical scheme of the utility model is as follows: a DN300-DN3000 intelligent standard device for automatically testing water flow comprises a liquid storage tank, an overflow tower, a pressure stabilizing tank, a liquid supply module, a water return header pipe and a control system;
the bottom of the overflow tower is communicated with the liquid storage tank through a water supply pipe section, and the water supply pipe section comprises a first water supply pipe, a second water supply pipe and a third water supply pipe; nominal diameters of the first to third water supply pipes are sequentially increased;
a shunt pipe section is arranged between the pressure stabilizing tank and the liquid supply module, five shunt branch pipes are arranged in the shunt pipe section, the liquid supply module provides hydrodynamic force for all the shunt branch pipes, all the shunt branch pipes are sequentially arranged from top to bottom, and one side, close to the pressure stabilizing tank, of each shunt branch pipe is provided with a pneumatic butterfly valve;
a detection pipe section is arranged between the liquid supply module and the water return main pipe, five detection branch pipes are arranged in the detection pipe section, and all the detection branch pipes are sequentially arranged from top to bottom; one side of each detection branch pipe, close to the liquid supply module, is provided with a pneumatic V-ball regulating valve; each detection branch pipe is provided with two detected meter positions at the adaptive position, and the two detected meter positions are provided with pneumatic meter clamping devices which are respectively used for loading a standard meter and a measured flowmeter.
The control system comprises a PC and a PLC, the PC is in communication connection with the PLC, the standard meter is in power connection with the PLC, and all the pneumatic butterfly valves and all the pneumatic V ball regulating valves are in power connection with the PLC.
Furthermore, one end of each of the first to third water supply pipes of the water supply pipe section, which is close to the overflow tower, is provided with a first pneumatic stop valve, a second pneumatic stop valve and a third pneumatic stop valve respectively.
Further, the PLC is electrically connected with the first stop valve, the second stop valve and the third stop valve.
Further, the first water supply pipe is a DN600 water supply line.
Further, the second water supply pipe is a DN1500 water supply pipe.
Further, the third water supply pipe is a DN3000 water supply pipe.
The utility model has the beneficial effects that:
1. in the design scheme of the utility model, a worker can utilize a PC to control the opening and closing of each valve through a PLC, the different height positions of the detection pipe section are provided with a standard meter and a detected meter position for installing a detected flowmeter, the detected meter position is provided with a pneumatic meter clamping device, the detected flowmeter can be directly installed, a pipeline is not required to be debugged and installed, and the detected flowmeters of various types can be directly installed and used at the matched position height.
2. In the design scheme of the utility model, the test tasks of a plurality of pipelines in the DN300-DN3000 interval can be completed by using three pipelines, thus the matched equipment for arranging the plurality of pipelines is saved, and the installation space and the manufacturing cost are saved to a certain extent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of a control structure of the present invention.
Reference numerals: 1. a liquid storage tank; 2. an overflow tower; 3. a surge tank; 4. a liquid supply module; 5. a water return main pipe; 6. a first water supply pipe; 7. a second water supply pipe; 8. a third water supply pipe; 9. a standard table; 10. a measured flow meter; 11. a control system; 301. a branch pipe; 401. detecting a branch pipe; 302. a pneumatic butterfly valve; 402. a pneumatic V-ball regulating valve; 601. a first pneumatic stop valve; 701. a second pneumatic stop valve; 801. a third pneumatic stop valve; 1101. a PC machine; 1102. and (7) PLC.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered.
As shown in fig. 1-2, a DN300-DN3000 intelligent standard device for automatically testing water flow comprises a liquid storage tank 1, an overflow tower 2, a pressure stabilizing tank 3, a liquid supply module 4, a water return header pipe 5 and a control system 11. The bottom of the overflow tower 2 is communicated with the liquid storage tank 1 through a water supply pipe section, and the water supply pipe section comprises a first water supply pipe 6, a second water supply pipe 7 and a third water supply pipe 8; the nominal diameters of the first to third water supply pipes become larger in order. The first water supply pipe 6 is a DN600 water supply line, the second water supply pipe 7 is a DN1500 water supply line, and the third water supply pipe 8 is a DN3000 water supply line.
A shunt pipe section is arranged between the surge tank 3 and the liquid supply module 4, five shunt branch pipes 301 are arranged in the shunt pipe section, the liquid supply module 4 provides hydrodynamic force for all the shunt branch pipes 301, all the shunt branch pipes 301 are sequentially arranged from top to bottom, and each shunt branch pipe 301 is provided with a pneumatic butterfly valve 302 close to one side of the surge tank 3.
A detection pipe section is arranged between the liquid supply module 4 and the water return main pipe 5, five detection branch pipes 401 are arranged in the detection pipe section, and all the detection branch pipes 401 are sequentially arranged from top to bottom; a pneumatic V-ball regulating valve 402 is arranged on one side of each detection branch pipe 401 close to the liquid supply module 4; each detection branch pipe 401 is provided with two detected meter positions at the adaptive position, and the two detected meter positions are provided with pneumatic meter clamping devices which are respectively used for loading the standard meter 9 and the measured flow meter 10.
Control system 11 includes PC 1101, PLC1102, and PC 1101 and PLC1102 communication are connected, and the electricity utilization of reference meter 9 and PLC1102 is connected, and all pneumatic butterfly valves 302 and all pneumatic V ball governing valves 402 all are connected with the electricity utilization of PLC 1102.
The first to third water supply pipes of the water supply pipe section are respectively provided with a first pneumatic stop valve 601, a second pneumatic stop valve 701 and a third pneumatic stop valve 801 near one end of the overflow tower 2, and the PLC1102 is electrically connected with the first to third stop valves.
When the device is used, a worker can control the opening and closing of each valve through the PLC1102 by utilizing the PC 1101, the positions with different heights of the detection pipe section are provided with the standard brick meter 9 and the detected meter position for installing the detected flowmeter 10, the detected meter position is provided with the pneumatic meter clamping device, the detected flowmeter 10 can be directly installed, a pipeline does not need to be debugged and installed, and the detected flowmeters 10 with various types can be directly installed and used at the adaptive positions. When water flows out from the top end of the overflow tower 2 through the liquid storage tank 1, three water supply lines can be selected:
as some embodiments of the first water supply pipe 6, the second pneumatic stop valve 701 and the third pneumatic stop valve 801 are closed through the PLC1102 by using the PC 1101, then corresponding numbers of the pneumatic butterfly valves 302 and the pneumatic V-ball regulating valves 402 are opened or closed according to the types of the measured flow meters 10, the adaptive numbers of the branch pipes 301 and the detection branch pipes 401 are reserved, and the flow meters of various types between DN300 and DN600 can be measured by using the first water supply pipe 6.
As some embodiments of the second water supply pipe 7, the PC 1101 is used for closing the first pneumatic stop valve 601 and the third pneumatic stop valve 801 through the PLC1102, then the corresponding number of the pneumatic butterfly valves 302 and the pneumatic V-ball regulating valves 402 are opened or closed according to the model of the measured flow meter 10, the adaptive number of the branch pipes 301 and the detection branch pipes 401 are reserved, and the second water supply pipe 6 is used for measuring flow meters of various models between DN600 and DN 1500.
As some embodiments of the third water supply pipe 8, the first pneumatic stop valve 601 and the second pneumatic stop valve 701 are closed by the PLC1102 through the PC 1101, and then the corresponding number of the pneumatic butterfly valves 302 and the pneumatic V-ball regulating valves 402 are opened or closed according to the model of the measured flow meter 10, the adaptive number of the branch pipes 301 and the detection branch pipes 401 are reserved, and the third water supply pipe 6 is used to detect flow meters of various models between DN1500-DN 3000.
Thus, various embodiments of the present invention have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Claims (6)
1. The utility model provides a DN300-DN3000 intelligence automatic test water flow standard device which characterized in that: the system comprises a liquid storage tank, an overflow tower, a pressure stabilizing tank, a liquid supply module, a water return main pipe and a control system;
the bottom of the overflow tower is communicated with the liquid storage tank through a water supply pipe section, and the water supply pipe section comprises a first water supply pipe, a second water supply pipe and a third water supply pipe; nominal diameters of the first to third water supply pipes are sequentially increased;
a shunt pipe section is arranged between the pressure stabilizing tank and the liquid supply module, five shunt branch pipes are arranged in the shunt pipe section, the liquid supply module provides hydrodynamic force for all the shunt branch pipes, all the shunt branch pipes are sequentially arranged from top to bottom, and one side, close to the pressure stabilizing tank, of each shunt branch pipe is provided with a pneumatic butterfly valve;
a detection pipe section is arranged between the liquid supply module and the water return main pipe, five detection branch pipes are arranged in the detection pipe section, and all the detection branch pipes are sequentially arranged from top to bottom; one side of each detection branch pipe, close to the liquid supply module, is provided with a pneumatic V-ball regulating valve; each detection branch pipe is provided with two detected meter positions at the adaptive position, and the two detected meter positions are provided with pneumatic meter clamping devices which are respectively used for loading a standard meter and a measured flowmeter;
the control system comprises a PC and a PLC, the PC is in communication connection with the PLC, the standard meter is in electric connection with the PLC, and all the pneumatic butterfly valves and all the pneumatic V-ball regulating valves are in electric connection with the PLC.
2. The DN300-DN3000 intelligent automatic test water flow standard device of claim 1, wherein: and one ends of the first to third water supply pipes of the water supply pipe section, which are close to the overflow tower, are respectively provided with a first pneumatic stop valve, a second pneumatic stop valve and a third pneumatic stop valve.
3. The DN300-DN3000 intelligent automatic test water flow standard device of claim 1, wherein: the PLC is electrically connected with the first to third stop valves.
4. The DN300-DN3000 intelligent automatic test water flow standard device of claim 1, wherein: the first water supply pipe is a DN600 water supply pipe.
5. The DN300-DN3000 intelligent automatic test water flow standard device of claim 1, wherein: the second water supply pipe is a DN1500 water supply pipe.
6. The DN300-DN3000 intelligent automatic test water flow standard device of claim 1, wherein: the third water supply pipe is a DN3000 water supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123430247.1U CN216869654U (en) | 2021-12-31 | 2021-12-31 | DN300-DN3000 intelligent automatic water flow testing standard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123430247.1U CN216869654U (en) | 2021-12-31 | 2021-12-31 | DN300-DN3000 intelligent automatic water flow testing standard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869654U true CN216869654U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123430247.1U Active CN216869654U (en) | 2021-12-31 | 2021-12-31 | DN300-DN3000 intelligent automatic water flow testing standard device |
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| Country | Link |
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| CN (1) | CN216869654U (en) |
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2021
- 2021-12-31 CN CN202123430247.1U patent/CN216869654U/en active Active
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