CN216770746U - Sewage flowmeter examines test table - Google Patents
Sewage flowmeter examines test table Download PDFInfo
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- CN216770746U CN216770746U CN202220372539.XU CN202220372539U CN216770746U CN 216770746 U CN216770746 U CN 216770746U CN 202220372539 U CN202220372539 U CN 202220372539U CN 216770746 U CN216770746 U CN 216770746U
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Abstract
The utility model provides a sewage flowmeter detecting table, comprising: a water storage tank; the straight pipe is horizontally arranged and communicated with the bottom of the water storage tank; the device to be tested, the standard meter and the speed regulating valve are sequentially connected in series on the straight pipe, and the device to be tested is positioned at the tail end of the straight pipe; and the temperature sensor and the pressure sensor are arranged on the straight pipe. The utility model provides a sewage flowmeter detection table, which is characterized in that a device to be detected, a standard meter and a speed regulating valve are sequentially connected in series on a straight pipe, the device to be detected is positioned at an opening at the tail end of the straight pipe, a temperature sensor and a pressure sensor are arranged on the straight pipe for collecting environmental data during testing so as to facilitate feedback adjustment, the speed regulating valve is adopted for limiting the flow of water with higher water pressure from a water storage tank, so that the water flow with lower water pressure and stable water pressure is regulated, and the detection calibration can be realized by comparing the readings of a flowmeter in the device to be detected and the standard meter.
Description
Technical Field
The utility model relates to the technical field of flowmeter testing, in particular to a sewage flowmeter detecting platform.
Background
Flow meters are one of the most important meters in industrial measurements. With the development of industry, the requirements on the accuracy and range of flow measurement are higher and higher, and in order to adapt to multiple purposes, various types of flow meters are developed in succession and widely applied to the industries of petrochemical industry, water treatment, food, pharmacy, metallurgy, building materials and the like.
The flow meter is mainly divided into a differential pressure type flow meter, a rotor flow meter, a throttling type flow meter, a volume flow meter, an electromagnetic flow meter, an ultrasonic flow meter and the like. The pressure difference type flowmeter has the advantages of simple structure, stable and reliable work, wide application range, capability of measuring liquid, gas and steam, long service life, low price and the like, and is most widely applied in the industrial field. During the development and production of the flow meter, the flow meter needs to be tested in order to know the performance of the flow meter.
At present, a standard meter method is adopted in a flowmeter detection table with more than DN150 calibers, a technical route takes two modes of water supply by a water tower with more than 25 meters and water pressure supply by a variable-frequency speed-regulating water pump and a pressure stabilizing tank as a main flow, a measured meter, a standard meter and a speed regulating device are connected in series in sequence at the rear part of a water source through a straight pipe, and a control system is used for collecting temperature, pressure, flow rate parameters of the two meters and the like for detection and calibration. At present, a flow meter is installed on a closed pipeline for detection of a detection mechanism and a detection platform of a flow meter production plant, and an additional device is added to the flow meter to form an open flow, so that the detection device cannot detect and calibrate.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that the existing detection device cannot detect the calibration of the open type flow rate formed by adding an additional device to the flowmeter.
Therefore, the utility model provides a sewage flowmeter detecting table, which comprises:
a water storage tank;
the straight pipe is horizontally arranged and communicated with the bottom of the water storage tank;
the device to be measured, the standard meter and the speed regulating valve are sequentially connected in series on the straight pipe, and the device to be measured is positioned at the tail end of the straight pipe;
and the temperature sensor and the pressure sensor are arranged on the straight pipe.
Preferably, the sewage flowmeter detection table further comprises a data acquisition system, which is adapted to acquire data of the temperature sensor, the pressure sensor, the standard meter and the device to be detected for detection and calibration.
Preferably, the sewage flowmeter detection table further comprises a display screen adapted to display data acquired by the data acquisition system.
Preferably, the sewage flowmeter detection table further comprises a control system, the control system is suitable for controlling the speed regulating valve, the control system comprises a timer, and the timer is suitable for being matched with the controller in function to form a time controller.
Preferably, the sewage flowmeter detection table further comprises a water level control device, and the water level control device is suitable for controlling the height of the water level in the water storage tank to be unchanged during testing.
Preferably, the wastewater flowmeter test stand further includes:
the water pump is arranged in the water supply source;
the bottom end of the water pipe is connected with a water outlet of the water pump, and the top end of the water pipe is used for conveying water to the water storage tank;
and the overflow pipe is connected to the top end of the water pipe and extends into the water storage tank.
Preferably, in the sewage flow meter detection station, the temperature sensor is located between the standard meter and the device under test.
Preferably, above-mentioned sewage flowmeter detects platform, the tank includes pond and lower pond, the bottom in pond is higher than the surface of water in lower pond, lower pond is suitable for receiving the straight tube exhaust water, and to the pond water delivery of going up.
Preferably, in the sewage flowmeter test table, the upper water tank has a two-layer structure with a wide upper layer and a narrow lower layer, and the straight pipe is communicated with the lower layer of the upper water tank.
Preferably, in the sewage flowmeter test table, a groove is formed in the bottom of the lower water tank, and the water pump is arranged in the groove.
The technical scheme of the utility model has the following advantages:
1. according to the sewage flowmeter detection table provided by the utility model, a device to be detected, a standard meter and a speed regulating valve are sequentially connected in series on a straight pipe, so that the device to be detected is positioned at an opening at the tail end of the straight pipe, a temperature sensor and a pressure sensor are arranged on the straight pipe and used for collecting environmental data during testing so as to facilitate feedback adjustment, the speed regulating valve is adopted to limit the flow of water with higher water pressure from a water storage tank, and thus the water flow is regulated into water flow with lower water pressure and stable water pressure, and detection calibration can be realized by comparing readings of a flowmeter in the device to be detected and the standard meter;
2. the sewage flowmeter detection table provided by the utility model adopts a data acquisition system with a display screen and a control system with a timer, and the functions of the timer and the control system are matched to form a time controller, so that the functions of starting a timing control speed regulating valve, acquiring data of a sensor and an instrument at fixed time and the like are realized after the detection is started, and the automatic detection is realized;
3. according to the sewage flowmeter detection platform provided by the utility model, a water circulation system is formed by the upper water tank, the lower water tank, the straight pipe, the water pump, the water pipe and the overflow pipe, the upper water tank continuously provides pressure water flow for the straight pipe, water leaked from a device to be detected at the tail end of the straight pipe enters the lower water tank, and the water pipe and the overflow pipe are conveyed back to the upper water tank by the water pump in the lower water tank, so that the water level in the upper water tank is kept stable, the water flow discharged to the straight pipe from the bottom of the upper water tank can always have stable water pressure, and the detection in the straight pipe can be stably carried out for a long time;
4. according to the sewage flowmeter detection platform provided by the utility model, the upper water tank is designed to be of a two-layer structure with a wide upper part and a narrow lower part, and the straight pipe is communicated with the lower layer of the upper water tank;
5. according to the sewage flowmeter detection platform provided by the utility model, the groove is formed in the bottom of the lower water pool, and the water pump is submerged in the groove, so that the water pump can still be ensured to be submerged by water under the condition that the water in the lower water pool is shallow, the requirement on the construction depth of the lower water pool is reduced, and the cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a wastewater flow meter test stand according to an embodiment of the utility model.
Description of reference numerals:
1. a straight pipe; 2. a device under test; 3. a standard table; 4. a speed regulating valve; 5. a temperature sensor; 6. a pressure sensor; 7. a data acquisition system; 8. a display screen; 9. a timer; 10. a control system; 11. a groove; 12. feeding water into a pool; 13. a water discharging pool; 14. a water pump; 15. a water pipe; 16. and (4) an overflow pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
Referring to fig. 1, the utility model provides a sewage flowmeter detection platform, which comprises a water circulation system and a straight pipe 1 for detecting a flowmeter. The water circulation system comprises an upper water pool 12, a lower water pool 13 and a water pump 14, wherein the water bottom of the upper water pool 12 is higher than the water surface of the lower water pool 13, the straight pipe 1 is horizontally communicated with the bottom of the upper water pool 12, water in the upper water pool 12 flows out of the straight pipe 1 to the lower water pool 13, and then the water in the lower water pool 13 is conveyed back to the upper water pool 12 through the water pump 14.
Referring to fig. 1, a horizontal overflow pipe 16 is fixed on the top of the upper water tank 12, the overflow pipe 16 extends into the upper water tank 12, and the water outlet of the water pump 14 is connected with the overflow pipe 16 through a water pipe 15. The bottom of the lower water tank 13 is provided with a groove 11, and the water pump 14 is arranged in the groove 11, so that even if the lower water tank 13 is shallow, the water pump 14 can still be immersed in the water in the groove 11. The water pump 14 continuously pumps the water in the lower water tank 13 into the upper water tank 12 through the water pipe 15 and the overflow pipe 16, so as to keep the water level in the upper water tank 12 stable.
Referring to fig. 1, the upper water tank 12 has a two-layer structure with a wide upper part and a narrow lower part, and the straight pipe 1 is communicated with the bottom of the lower layer of the upper water tank 12. The opening at the tail end of the straight pipe 1 is connected with a device 2 to be measured, the device 2 to be measured is formed by adding an additional device to a flow meter to be measured, the device 2 to be measured is not sealed, and water in the straight pipe 1 is discharged from the device 2 to be measured into the lower water pool 13. From the device 2 to be measured to the straight tube 1 between the outer wall of the upper water pool 12, establish ties temperature sensor 5, standard table 3, pressure sensor 6, governing valve 4 in proper order, governing valve 4 is used for carrying out the velocity of flow regulation to the rivers that get into straight tube 1 thereby control water pressure, pressure sensor 6 is used for surveying water pressure and feeds back to control system 10, temperature sensor 5 is used for surveying the temperature and feeds back to control system 10, standard table 3 is used for as the data reference of the flowmeter that is surveyed in the device 2 to be surveyed.
Referring to fig. 1, the sewage flowmeter detection table is provided with a control system 10 and a data acquisition system 7 with a display screen 8, wherein the data acquisition system 7 is used for acquiring data of the temperature sensor 5, the pressure sensor 6, the standard meter 3 and the device to be detected 2 for detection and calibration, and the display screen 8 is used for displaying the data. The control system 10 comprises a timer 9, the timer 9 is used for being matched with the function of the control system 10 to form a time controller, and the time controller has the functions of controlling the speed regulating valve 4 to start at regular time and collecting data of various sensors and instruments at regular time after the detection is started so as to realize automatic detection.
Referring to fig. 1, the sewage flowmeter test table provided by the utility model has the advantages that a device to be tested 2, a standard meter 3 and a speed regulating valve 4 are sequentially connected in series on a straight pipe 1, the device to be tested 2 is positioned at an opening at the tail end of the straight pipe 1, a temperature sensor 5 and a pressure sensor 6 are arranged on the straight pipe 1 for collecting environmental data during testing so as to facilitate feedback adjustment, the speed regulating valve 4 is adopted for limiting the flow of water with higher water pressure from an upper water tank 12, so that the flow of water with lower water pressure and stable water pressure is adjusted to be the flow of water with lower water pressure and meeting the testing requirements, and the detection calibration can be realized by comparing the readings of the device to be tested 2 in the device to be tested and the standard meter 3.
Referring to fig. 1, the sewage flowmeter test table according to the present invention includes a water circulation system including an upper water tank 12, a lower water tank 13, a straight pipe 1, a water pump 14, a water pipe 15, and an overflow pipe 16, wherein the upper water tank 12 constantly supplies pressure water to the straight pipe 1, water leaking from a device 2 to be tested at the end of the straight pipe 1 enters the lower water tank 13, and the water pipe 15 and the overflow pipe 16 are returned to the upper water tank 12 by the water pump 14 in the lower water tank 13, so that the water level in the upper water tank 12 is kept stable, the water discharged from the bottom of the upper water tank 12 to the straight pipe 1 can be constantly and stably pressurized, and the test in the straight pipe 1 can be stably performed for a long period of time.
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. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the utility model.
Claims (10)
1. A sewage flowmeter examines test table, its characterized in that includes:
a water storage tank;
the straight pipe (1) is horizontally arranged and communicated with the bottom of the water storage tank;
the device to be tested (2), the standard meter (3) and the speed regulating valve (4) are sequentially connected in series on the straight pipe (1), and the device to be tested (2) is located at the tail end of the straight pipe (1);
and the temperature sensor (5) and the pressure sensor (6) are arranged on the straight pipe (1).
2. The sewage flowmeter test station of claim 1, further comprising a data acquisition system (7) adapted to acquire data of the temperature sensor (5), the pressure sensor (6), the standard meter (3) and the device under test (2) for testing and calibration.
3. The wastewater flow meter test stand of claim 2, further comprising a display screen (8) adapted to display the data collected by the data collection system (7).
4. Sewage flow meter station according to claim 1, characterised in that it further comprises a control system (10) adapted to control said speed regulating valve (4), said control system (10) comprising a timer (9), said timer (9) being adapted to constitute a time controller in cooperation with the function of the controller.
5. The wastewater flow meter test stand of claim 1, further comprising a water level control device adapted to control the water level in the reservoir to be constant during testing.
6. The wastewater flow meter detection station of claim 5, wherein the water level control device comprises:
a water pump (14) provided in the water supply source;
the bottom end of the water pipe (15) is connected with a water outlet of the water pump (14), and the top end of the water pipe is used for conveying water to the water storage tank;
and the overflow pipe (16) is connected to the top end of the water pipe (15) and extends into the water storage pool.
7. Sewage flow meter station according to claim 1, characterised in that the temperature sensor (5) is located between the reference meter (3) and the device under test (2).
8. The wastewater flowmeter test station of claim 6, wherein the reservoir comprises an upper basin (12) and a lower basin (13), the water bottom of the upper basin (12) being higher than the water surface of the lower basin (13), the lower basin (13) being adapted to receive water drained by the straight pipe (1) and to deliver water to the upper basin (12).
9. The sewage flowmeter test bench of claim 8, wherein the upper pool (12) has a two-layer structure with a wide upper part and a narrow lower part, and the straight pipe (1) is communicated with the lower layer of the upper pool (12).
10. The sewage flowmeter test station of claim 8, wherein the bottom of the lower water tank (13) is provided with a groove (11), and the water pump (14) is arranged in the groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220372539.XU CN216770746U (en) | 2022-02-23 | 2022-02-23 | Sewage flowmeter examines test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220372539.XU CN216770746U (en) | 2022-02-23 | 2022-02-23 | Sewage flowmeter examines test table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216770746U true CN216770746U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220372539.XU Active CN216770746U (en) | 2022-02-23 | 2022-02-23 | Sewage flowmeter examines test table |
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| CN (1) | CN216770746U (en) |
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- 2022-02-23 CN CN202220372539.XU patent/CN216770746U/en active Active
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