CN216206873U - Water meter calibrating installation - Google Patents
Water meter calibrating installation Download PDFInfo
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- CN216206873U CN216206873U CN202121962210.0U CN202121962210U CN216206873U CN 216206873 U CN216206873 U CN 216206873U CN 202121962210 U CN202121962210 U CN 202121962210U CN 216206873 U CN216206873 U CN 216206873U
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Abstract
The utility model discloses a water meter calibrating device, which comprises a water tank, wherein the side bottom wall of the water tank is communicated with a variable frequency water pump through a conveying pipe, the outlet end of the variable frequency water pump is respectively communicated with a surge tank and a high-level water tower through a three-way valve, a pressure gauge is arranged on the surge tank, the outlet end of the pressure gauge and the outlet end of the high-level water tower are communicated with the water inlet ends of a plurality of water meters to be measured which are sequentially connected in series, the water outlet end of the water meter to be measured is communicated with a water outlet pipe, the water inlet and water outlet conversion positions of the water meter to be measured are communicated with a loss pipe, a detachable flow meter is arranged on each of the loss pipe and the water outlet pipe, the outlet ends of the loss pipe and the water outlet pipe are communicated with a metering container for weighing, the bottom of each metering container is communicated with the water tank through a backflow pipe, a valve, the metering container, the water meter to be measured, the pressure gauge, the three-way valve and the variable frequency water pump are all connected with a control cabinet. The utility model solves the technical problem of how to accurately and automatically test a plurality of water meters simultaneously.
Description
Technical Field
The utility model relates to the technical field of water meter verification, in particular to a water meter verification device.
Background
Adopt the manual mode to examine and determine the water gauge among the prior art usually, specifically the manual work examines and determine the water gauge one by one, and is obvious, and this kind of mode not only leads to workman high in labor strength, examination inefficiency, because reading and examination process are manual operation moreover, so produce the error easily to lead to the precision of examination result low or even inaccurate.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is how to accurately and automatically test a plurality of water meters simultaneously.
In order to solve the technical problems, the utility model provides a water meter calibrating device which comprises a water tank, wherein the side bottom wall of the water tank is communicated with a variable frequency water pump through a conveying pipe, the outlet end of the variable frequency water pump is respectively communicated with a surge tank and a high-level water tower through a three-way valve, a pressure gauge is arranged on the surge tank, the outlet end of the pressure gauge and the outlet end of the high-level water tower are communicated with the water inlet ends of a plurality of water meters to be measured which are sequentially connected in series, the water outlet end of the water meter to be measured is communicated with a water outlet pipe, the positions of water inlet and water outlet conversion of the water meter to be measured are communicated with a loss pipe, a detachable flow meter is arranged on the loss pipe and the water outlet pipe, the outlet ends of the loss pipe and the water outlet pipe are communicated with a metering container for weighing, the bottom of each metering container is communicated with the water tank through a backflow pipe, a valve, the metering container and the valve are arranged on the backflow pipe, The water meter to be measured, the pressure gauge, the three-way valve and the variable-frequency water pump are all connected with the control cabinet.
In one embodiment of the utility model, the metering container comprises a water storage container and a weighing sensor clamped at the bottom of the water storage container, and the weighing sensor is connected with the control cabinet.
In one embodiment of the utility model, the water outlet pipe and the loss pipe are in threaded connection with the corresponding flow meters.
In an embodiment of the utility model, the pressure stabilizing tank is further provided with a liquid level indicator and is communicated with an overflow pipe, the overflow pipe is provided with a flow control valve, and the flow control valve and the liquid level indicator are both connected with the control cabinet.
In one embodiment of the utility model, the outlet end of the overflow tube is in communication with the tank.
In one embodiment of the utility model, the inlet end of the transport pipe is provided with a filter screen.
In one embodiment of the utility model, the valve is a fast pneumatic ball valve.
In one embodiment of the utility model, the high level water tower is horizontally arranged on the erectable frame.
In one embodiment of the utility model, the water tank is a constant temperature water tank.
In one embodiment of the utility model, the water tank is made of a transparent material.
Compared with the prior art, the technical scheme of the utility model has the following advantages: a plurality of water meters to be detected are sequentially connected in series, the water inlet end and the water outlet end of each water meter are respectively and correspondingly communicated with a water supply mechanism and a water outlet pipe, a loss pipe is communicated with a water inlet and water outlet conversion position of each water meter to be detected, a flowmeter is arranged on each loss pipe and each water outlet pipe, the outlet ends of the loss pipe and the outlet pipe are respectively communicated with a metering container, the water supply mechanism comprises a water tank, a variable frequency water pump, a pressure stabilizing tank or a high-level water tower which is communicated with the variable frequency water pump through a three-way valve, the water meters to be detected and the metering container are connected with a control cabinet, the variable frequency water pump, the three-way valve, the water meters to be detected and the metering container are matched, and the results of the plurality of water meters to be detected can be automatically displayed on the control cabinet under the control of the control cabinet, so that the labor intensity of workers is greatly reduced, and the verification convenience, the verification efficiency and the verification precision are improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural view of the present invention;
the specification reference numbers indicate: 1. the device comprises a water tank, 2, a delivery pipe, 3, a variable frequency water pump, 4, a three-way valve, 5, a pressure stabilizing tank, 6, a high-level water tower, 7, a pressure gauge, 8, a water meter to be measured, 9, a water outlet pipe, 10, a loss pipe, 11, a flowmeter, 12, a metering container, 13, a return pipe, 14, a valve, 15 and a control cabinet.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to FIG. 1: a water meter calibrating device comprises a water tank 1, a variable frequency water pump 3 is communicated with the side bottom wall of the water tank 1 through a conveying pipe 2, the outlet end of the variable frequency water pump 3 is respectively communicated with a pressure stabilizing tank 5 and a high-level water tower 6 through a three-way valve 4, a pressure gauge 7 is arranged on the pressure stabilizing tank 5, and the outlet end of the high-level water tower 6 is communicated with the water inlet ends of a plurality of water meters 8 to be measured which are connected in series in sequence, the water outlet end of the water meter 8 to be measured is communicated with a water outlet pipe 9, and the position of the water inlet and outlet conversion is communicated with a loss pipe 10, the loss pipe 10 and the water outlet pipe 9 are both provided with a detachable flowmeter 11, and the outlet ends of the two are communicated with a metering container 12 for weighing, specifically, the metering container 12 comprises a water storage container and a weighing sensor clamped at the bottom of the water storage container, and the water outlet pipe 9 and the loss pipe 10 are in threaded connection with the corresponding flow meter 11. The bottom of each metering container 12 is connected to the water tank 1 through a return pipe 13, and a valve 14 is provided on the return pipe 13, specifically, the valve 14 is a fast pneumatic ball valve. The valve 14, the metering container 12, the water meter to be measured 8, the pressure gauge 7, the three-way valve 4 and the variable frequency water pump 3 are all connected with the control cabinet 15. Through the arrangement, the water meter detection device is matched with the variable-frequency water pump 3, the three-way valve 4, the flowmeter 11 and the metering container 12 under the control of the control cabinet 15, and the technical effect of accurately and automatically detecting a plurality of water meters simultaneously is achieved.
Further, still be equipped with level indicator on surge tank 5 to the intercommunication has the overflow pipe, is equipped with flow control valve on the overflow pipe, and flow control valve and level indicator all link to each other with switch board 15, have set up like this and have guaranteed water pressure.
Further, the outlet end of the overflow pipe is communicated with the water tank 1, so that the utilization rate of water resources is improved, and the verification cost is reduced.
Further, the inlet end of the conveying pipe 2 is provided with a filter screen, so that the influence of impurities is avoided, and the service life of the device is prolonged.
Further, the high water tower 6 is horizontally arranged on the erectable frame, so that the height of the high water tower 6 can be conveniently adjusted.
Further, the water tank 1 is a constant temperature water tank 1, so that the influence of the water temperature on the verification result is eliminated.
Further, the water tank 1 is made of a transparent material, so that the arrangement is convenient for a user to understand the condition of the inside of the water tank 1.
The working principle is as follows: when the water meter is used, firstly, a flowmeter 11 and a weighing sensor with corresponding measuring ranges are selected according to the measuring range of the water meter 8 to be measured, then, the flowmeter 11 and the weighing sensor are correspondingly arranged on a water outlet pipe 9, a loss pipe 10 and a water storage container, then, parameters are set for a control cabinet 15, the control cabinet 15 controls a variable frequency water pump 3, the flowmeter 11, the weighing sensor and a pressure gauge 7 to work, if the measuring range of the water meter 8 to be measured is not more than 20L, the control cabinet 15 closes a passage between the variable frequency water pump 3 and a pressure stabilizing tank 5 and opens a passage between the variable frequency water pump 3 and a high-level water tower 6 by controlling a three-way valve 4, and water pumped from a water tank 1 is delivered to the high-level water tank 1; otherwise, the control cabinet 15 closes the passage between the variable frequency water pump 3 and the high-level water tower 6 by controlling the three-way valve 4, opens the passage between the variable frequency water pump 3 and the pressure stabilizing tank 5, in the process, the pressure gauge 7 sends the reading to the control cabinet 15, the control cabinet 15 compares the received reading with a preset range value, and if the reading is smaller than the minimum value of the preset range value, the variable frequency water pump 3 is controlled to operate in an accelerated manner; if the water flow rate is larger than the maximum value of the preset range value, controlling the variable frequency water pump 3 to operate in a speed reduction mode, otherwise controlling the operation speed of the variable frequency water pump 3 to be unchanged, sending the water pumped from the water tank 1 to the pressure stabilizing tank 5, then, no matter the water is positioned in the high-level water tank 1 or the pressure stabilizing tank 5, enabling the water to flow to a plurality of water meters 8 to be tested in series, then, enabling one part of the water to flow from the water outlet ends of the water meters 8 to be tested to a metering container 12 communicated with a water outlet pipe 9, enabling the other part of the water to flow from a loss pipe 10 to a metering container 12 communicated with the loss pipe, sending respective data of the flow meter 11, the metering container 12 and the water meters 8 to be tested to a control cabinet 15, comparing the received data with the preset value by the control cabinet 15 to obtain water inlet and outlet indication value errors and leakage values of the water meters 8 to be tested and displaying the water indication values on the control cabinet 15, and controlling the variable frequency water pump 3, the flow meter 11 and a weighing sensor, The pressure gauge 7 stops working, the valve 14 on the return pipe 13 is opened, and the water in the metering container 12 is returned to the water tank 1 through the return pipe 13.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (10)
1. The utility model provides a water gauge calibrating installation, its characterized in that, includes the water tank, the side bottom wall of water tank has the frequency conversion water pump through conveyer pipe intercommunication, the exit end of frequency conversion water pump communicates respectively through the three-way valve has surge tank and high-order water tower, be equipped with the manometer on the surge tank, and its with the exit end of high-order water tower is linked together with the end of intaking of a plurality of water meters that await measuring of establishing ties in proper order, the delivery end intercommunication of water meter that awaits measuring has the outlet pipe, and its intercommunication has the loss pipe on the position of intaking and going out water conversion, the loss pipe with all be equipped with a detachable flowmeter on the outlet pipe, and the exit end of both all communicates a metering container for weighing, every the bottom of metering container all through a return pipe with the water tank is linked together, be equipped with the valve on the return pipe, the valve the metering container, the water meter to be measured, The pressure gauge, the three-way valve and the variable frequency water pump are all connected with the control cabinet.
2. A water meter calibrating device as defined in claim 1, wherein the measuring container comprises a water storage container and a weighing sensor fastened to the bottom of the water storage container, and the weighing sensor is connected to the control cabinet.
3. A water meter calibration device as claimed in claim 1, wherein said outlet tube and said lost tube are each threadably engaged with a respective one of said flow meters.
4. A water meter calibrating device according to claim 1, wherein a level indicator is further provided on the surge tank and is connected to an overflow pipe, a flow control valve is provided on the overflow pipe, and both the flow control valve and the level indicator are connected to the control cabinet.
5. A water meter calibration device as claimed in claim 4, wherein the outlet end of the overflow tube is in communication with the water tank.
6. A water meter calibration device as claimed in claim 1, wherein a filter screen is provided at the inlet end of the delivery pipe.
7. A water meter calibration device as claimed in claim 1, wherein said valve is a fast pneumatic ball valve.
8. A water meter calibrating device as claimed in claim 1, wherein the elevated water tower is horizontally disposed on a erectable platform.
9. A water meter calibration device as claimed in claim 1, wherein the water tank is a constant temperature water tank.
10. A water meter calibration device as claimed in claim 1, wherein said water tank is made of a transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121962210.0U CN216206873U (en) | 2021-08-18 | 2021-08-18 | Water meter calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121962210.0U CN216206873U (en) | 2021-08-18 | 2021-08-18 | Water meter calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206873U true CN216206873U (en) | 2022-04-05 |
Family
ID=80916102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121962210.0U Active CN216206873U (en) | 2021-08-18 | 2021-08-18 | Water meter calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216206873U (en) |
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2021
- 2021-08-18 CN CN202121962210.0U patent/CN216206873U/en active Active
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