CN107860441B - Water flow sensor test board - Google Patents
Water flow sensor test board Download PDFInfo
- Publication number
- CN107860441B CN107860441B CN201711201271.3A CN201711201271A CN107860441B CN 107860441 B CN107860441 B CN 107860441B CN 201711201271 A CN201711201271 A CN 201711201271A CN 107860441 B CN107860441 B CN 107860441B
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- pipeline
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- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
Abstract
The application discloses a water flow sensor test board, which comprises: the main loop comprises a water tank, a water pump, a flowmeter, a first angle seat valve and a test interface, and the main loop is formed by connecting a first pipeline; the pressure-resistant test loop comprises a gas-liquid booster pump and a second angle seat valve, wherein the gas-liquid booster pump and the second angle seat valve are connected through a second pipeline, the gas-liquid booster pump is connected with the water tank, and the second angle seat valve is connected with the test interface and a first pipeline between the first angle seat valves through a second pipeline; the water removal loop comprises a high-pressure air source and a first electromagnetic valve, the high-pressure air source is communicated with a first pipeline between the second angle seat valve and the test interface through a third pipeline, and the first electromagnetic valve is arranged on the third pipeline; and the control system is used for controlling the work of the main loop, the pressure-resistant test loop and the water removal loop and is connected with the water flow sensor to be tested. The application can realize the automatic performance of the water flow rotor frequency test and the pressure resistance test on the water flow sensor.
Description
Technical Field
The application relates to a water flow sensor test board.
Background
The water flow sensor is a water flow sensing instrument which outputs pulse signals or signals such as current, voltage and the like through sensing the water flow, the output of the signals and the water flow form a certain linear proportion, and a corresponding conversion formula and a corresponding comparison curve are provided, so that the water flow sensor can be used for managing water control and calculating the flow, is quite widely applied, and when the water flow sensor is produced and applied, the performance of the water flow sensor needs to be tested, and mainly whether the frequency of a water flow rotor under different flow is within a required range or not is judged.
Disclosure of Invention
In order to solve the problems, the application provides a water flow sensor test board.
The technical scheme adopted for solving the technical problems is as follows:
a water flow sensor test stand comprising:
the main loop comprises a water tank, a water pump, a flowmeter, a first angle seat valve and a test interface, and the main loop is formed by connecting a first pipeline;
the pressure-resistant test loop comprises a gas-liquid booster pump and a second angle seat valve, wherein the gas-liquid booster pump and the second angle seat valve are connected through a second pipeline, the gas-liquid booster pump is connected with the water tank, and the second angle seat valve is connected with the test interface and a first pipeline between the first angle seat valves through a second pipeline;
the water removal loop comprises a high-pressure air source and a first electromagnetic valve, the high-pressure air source is communicated with a first pipeline between the second angle seat valve and the test interface through a third pipeline, and the first electromagnetic valve is arranged on the third pipeline;
and the control system is used for controlling the work of the main loop, the pressure-resistant test loop and the water removal loop and is connected with the water flow sensor to be tested.
The output end of the high-pressure air source is connected with the air-liquid booster pump through a fourth pipeline, and a second electromagnetic valve and a pressure regulating valve are arranged on the fourth pipeline.
The first pipeline between flowmeter and the water pump is communicated with the water tank through a fourth pipeline, and a third seat valve and a first ball valve are arranged on the fourth pipeline.
A fourth angle seat valve is arranged on the first pipeline between the test interface and the water tank.
The water tank is connected with the inlet tube, is provided with the filter screen on the inlet tube, is provided with the floater of intaking in the water tank, the water tank still is connected with the drain pipe, is provided with the second ball valve on the drain pipe.
And a pressure sensor is arranged on a first pipeline between the test interface and the first electromagnetic valve, and the pressure sensor is connected with the control system.
The test interface is also connected with the water tank through a fifth pipeline, and a fifth angle seat valve and a third ball valve are arranged on the fifth pipeline.
The beneficial effects of the application are as follows: the main loop of the application with the structure can test the frequency of the water flow rotor in the water flow sensor under different water flows, and the through hole main control system collects the flow and frequency information and compares the flow and frequency information with the standard to judge whether the water flow sensor meets the requirements; the pressure-resistant test loop can resist pressure of the water flow sensor; after the water flow sensor is tested, residual water in the main loop and the pressure-resistant test loop is blown back into the water tank through the water removal loop, the influence on the accuracy of the next test is avoided, the operation is automatically performed under the control of the control system, and a worker only needs to install the water flow sensor on the test interface and connect the electric control part of the water flow sensor with the control system, so that the water flow sensor testing device is very intelligent and convenient.
Drawings
The application is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic diagram of the principles of the present application.
Detailed Description
Referring to fig. 1, the present application is a water flow sensor test stand comprising:
the main loop comprises a water tank 1, a water pump 2, a flowmeter 3, a first angle seat valve 4 and a test interface 5, and the main loop is formed by connecting the first pipeline;
the pressure-resistant test loop comprises a gas-liquid booster pump 6 and a second angle seat valve 7, wherein the gas-liquid booster pump 6 and the second angle seat valve are connected through a second pipeline, the gas-liquid booster pump 6 is connected with the water tank 1, the second angle seat valve 7 is connected with a test interface 5 and a first pipeline between the first angle seat valves 4 through a second pipeline, and the second angle seat valve 7 is closed when the main loop is tested;
the water removal loop comprises a high-pressure air source 8 and a first electromagnetic valve 9, wherein the high-pressure air source 8 is communicated with a first pipeline between the second angle seat valve 7 and the test interface 5 through a third pipeline, and the first electromagnetic valve 9 is arranged on the third pipeline;
the control system is used for controlling the work of the main loop, the pressure-resistant test loop and the water removal loop and is connected with the water flow sensor to be tested; a pressure sensor 10 is arranged on a first pipeline between the test interface 5 and the first electromagnetic valve 9, and the pressure sensor 10 is connected with a control system. The main loop of the application with the structure can test the frequency of the water flow rotor in the water flow sensor under different water flows, and the through hole main control system collects the flow and frequency information and compares the flow and frequency information with the standard to judge whether the water flow sensor meets the requirements; the pressure-resistant test loop can resist pressure of the water flow sensor; after the water flow sensor is tested, residual water in the main loop and the pressure-resistant test loop is blown back into the water tank 1 through the water removal loop, the influence on the accuracy of the next test is avoided, the operation is automatically performed under the control of the control system, and a worker only needs to install the water flow sensor on the test interface 5 and connect the electric control part of the water flow sensor with the control system, so that the water flow sensor testing device is very intelligent and convenient.
The output end of the high-pressure air source 8 is connected with the gas-liquid booster pump 6 through a fourth pipeline, a second electromagnetic valve 11 and a pressure regulating valve 12 are arranged on the fourth pipeline, so that the high-pressure air source 8 can be used as power of the gas-liquid booster pump 6, whether the gas-liquid booster pump 6 works or not is controlled by controlling the second electromagnetic valve 11, the output pressure of the gas-liquid booster pump 6 is controlled by controlling the pressure regulating valve 12, and the second battery valve and the pressure regulating valve 12 are automatically controlled by a control system.
The first pipeline between the flowmeter 3 and the water pump 2 is communicated with the water tank 1 through a fourth pipeline, and a third seat valve 13 and a first ball valve 14 are arranged on the fourth pipeline; when the application does not work, the third seat valve 13 and the first ball valve 14 are in a normally open state so as to facilitate water to flow back to the water tank 1 and protect the water pump 2; a fourth angle seat valve 15 is arranged on the first pipeline between the test interface 5 and the water tank 1; the test interface 5 is further connected with the water tank 1 through a fifth pipeline, a fifth angle seat valve 16 and a third ball valve 17 are arranged on the fifth pipeline, and a first pipeline and a fifth pipeline between the test interface 5 and the water tank 1 are connected in parallel.
The water tank 1 is connected with the inlet tube, is provided with filter screen 18 on the inlet tube, is provided with into water floater 19 in the water tank 1, water tank 1 still is connected with the drain pipe, is provided with second ball valve 20 on the drain pipe. The water level state in the water tank 1 is monitored through the water inlet floating ball 19, water is replenished through the water inlet pipe, and the water in the water tank 1 is discharged through the water outlet pipe at regular time, so that clean water is replaced.
When the main loop works, the second angle seat valve 7, the first electromagnetic valve 9 and the third angle seat valve 13 are closed, the first angle seat valve 4 and the fourth angle seat valve 15 are opened, the water pump 2 starts to work, the control system records the frequencies of water flow rotors under the water flows with different flow rates of the water flow sensor to be tested by adjusting the water flows with different flow rates, and makes a judgment whether the water flow sensor meets the requirements, and the opening of the fourth angle seat valve 15 or the opening of the fifth angle seat valve 16 and the third ball valve 17 can be selected according to the water flow rate, so that the adaptable flow rate range is larger, and the practicability is strong;
when the pressure-resistant test loop works, the first electromagnetic valve 9, the first angle seat valve 4, the fourth angle seat valve 15 and the fifth angle seat valve 16 are closed, the gas-liquid booster pump 6 is driven by the high-pressure gas source 8 to output high-pressure fluid to act on the water flow sensor, and the control system collects information on the pressure sensor 10 and feeds back pressure-resistant test results;
after the test is finished, the first electromagnetic valve 9, the second angle seat valve 7, the first angle seat valve 4, the third angle seat valve 13 and the first ball valve 14 are opened, the fourth angle seat valve 15 and the fifth angle seat valve 16 are closed, and residual water on the main loop and the pressure-resistant test loop is blown back to the water tank 1 through the high-pressure air source 8, so that the influence on the next test precision is avoided;
the whole course of the action flow is automatically controlled by the control system, and a worker only needs to install the water flow sensor to be tested, so that the operation is very convenient.
The above examples are only preferred embodiments of the application, and other embodiments of the application are possible. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these equivalent modifications or substitutions are intended to be included within the scope of the present application as set forth in the following claims.
Claims (4)
1. A water flow sensor test stand, comprising:
the main loop comprises a water tank, a water pump, a flowmeter, a first angle seat valve and a test interface, and the main loop is formed by connecting a first pipeline;
the pressure-resistant test loop comprises a gas-liquid booster pump and a second angle seat valve, wherein the gas-liquid booster pump and the second angle seat valve are connected through a second pipeline, the gas-liquid booster pump is connected with the water tank, and the second angle seat valve is connected with the test interface and a first pipeline between the first angle seat valves through a second pipeline;
the water removal loop comprises a high-pressure air source and a first electromagnetic valve, the high-pressure air source is communicated with a first pipeline between the second angle seat valve and the test interface through a third pipeline, and the first electromagnetic valve is arranged on the third pipeline; the output end of the high-pressure air source is connected with the air-liquid booster pump through a fourth pipeline, and a second electromagnetic valve and a pressure regulating valve are arranged on the fourth pipeline;
a fourth angle seat valve is arranged on the first pipeline between the test interface and the water tank; the test interface is connected with the water tank through a fifth pipeline, and a fifth angle seat valve is arranged on the fifth pipeline; a pressure sensor is arranged on a first pipeline between the test interface and the first electromagnetic valve, and the pressure sensor is connected with a control system;
the control system is used for controlling the work of the main loop, the pressure-resistant test loop and the water removal loop and is connected with the water flow sensor to be tested;
when the pressure-resistant test loop works, the first electromagnetic valve, the first angle seat valve, the fourth angle seat valve and the fifth angle seat valve are closed, the gas-liquid booster pump is driven by the high-pressure gas source to output high-pressure fluid to act on the water flow sensor, and the control system collects information on the pressure sensor and feeds back pressure-resistant test results.
2. The water flow sensor testing stand according to claim 1, wherein the first pipeline between the flowmeter and the water pump is communicated with the water tank through a fourth pipeline, and a third seat valve and a first ball valve are arranged on the fourth pipeline.
3. The water flow sensor test board of claim 1, wherein the water tank is connected with a water inlet pipe, a filter screen is arranged on the water inlet pipe, a water inlet floating ball is arranged in the water tank, the water tank is also connected with a water outlet pipe, and a second ball valve is arranged on the water outlet pipe.
4. A water flow sensor testing stand according to claim 1, wherein a third ball valve is provided on the fifth pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711201271.3A CN107860441B (en) | 2017-11-24 | 2017-11-24 | Water flow sensor test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711201271.3A CN107860441B (en) | 2017-11-24 | 2017-11-24 | Water flow sensor test board |
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| Publication Number | Publication Date |
|---|---|
| CN107860441A CN107860441A (en) | 2018-03-30 |
| CN107860441B true CN107860441B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711201271.3A Active CN107860441B (en) | 2017-11-24 | 2017-11-24 | Water flow sensor test board |
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| CN (1) | CN107860441B (en) |
Citations (11)
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|---|---|---|---|---|
| US3940971A (en) * | 1973-11-01 | 1976-03-02 | Badger Meter, Inc. | System for testing flow meters |
| EP0072916A2 (en) * | 1981-07-27 | 1983-03-02 | Flow Technology, Inc. | Apparatus for determining the characteristic of a flowmeter |
| JPH06167592A (en) * | 1992-11-30 | 1994-06-14 | Toshiba Corp | Process instrumentation rack |
| KR20050069686A (en) * | 2003-12-31 | 2005-07-05 | 한국수력원자력 주식회사 | System and method for test hydraulic pressure valve |
| CN2742403Y (en) * | 2004-10-29 | 2005-11-23 | 上海市供水水表强制检定站 | Control mechanism for multiple work position intelligent comprehensive water meter detector |
| CN201772916U (en) * | 2010-07-13 | 2011-03-23 | 山东中烟工业有限责任公司 | Calibration equipment for mass flow meter |
| CN102103005A (en) * | 2010-07-15 | 2011-06-22 | 龙岩烟草工业有限责任公司 | Method and device for calibrating measuring precision of essence/spice adding system |
| CN202350879U (en) * | 2011-11-29 | 2012-07-25 | 江苏远传智能科技有限公司 | Photoelectric direct-reading full-automatic water meter verification device |
| CN106706083A (en) * | 2016-12-23 | 2017-05-24 | 中山市优胜电子科技有限公司 | Water flow sensor performance test bed system |
| CN206258168U (en) * | 2016-11-26 | 2017-06-16 | 华电云南发电有限公司以礼河发电厂 | A kind of simulation test device of portable liquid level monitoring device and flow switch |
| CN207528311U (en) * | 2017-11-24 | 2018-06-22 | 中山市铧禧电子科技有限公司 | A kind of water flow sensing unit testboard |
-
2017
- 2017-11-24 CN CN201711201271.3A patent/CN107860441B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940971A (en) * | 1973-11-01 | 1976-03-02 | Badger Meter, Inc. | System for testing flow meters |
| EP0072916A2 (en) * | 1981-07-27 | 1983-03-02 | Flow Technology, Inc. | Apparatus for determining the characteristic of a flowmeter |
| JPH06167592A (en) * | 1992-11-30 | 1994-06-14 | Toshiba Corp | Process instrumentation rack |
| KR20050069686A (en) * | 2003-12-31 | 2005-07-05 | 한국수력원자력 주식회사 | System and method for test hydraulic pressure valve |
| CN2742403Y (en) * | 2004-10-29 | 2005-11-23 | 上海市供水水表强制检定站 | Control mechanism for multiple work position intelligent comprehensive water meter detector |
| CN201772916U (en) * | 2010-07-13 | 2011-03-23 | 山东中烟工业有限责任公司 | Calibration equipment for mass flow meter |
| CN102103005A (en) * | 2010-07-15 | 2011-06-22 | 龙岩烟草工业有限责任公司 | Method and device for calibrating measuring precision of essence/spice adding system |
| CN202350879U (en) * | 2011-11-29 | 2012-07-25 | 江苏远传智能科技有限公司 | Photoelectric direct-reading full-automatic water meter verification device |
| CN206258168U (en) * | 2016-11-26 | 2017-06-16 | 华电云南发电有限公司以礼河发电厂 | A kind of simulation test device of portable liquid level monitoring device and flow switch |
| CN106706083A (en) * | 2016-12-23 | 2017-05-24 | 中山市优胜电子科技有限公司 | Water flow sensor performance test bed system |
| CN207528311U (en) * | 2017-11-24 | 2018-06-22 | 中山市铧禧电子科技有限公司 | A kind of water flow sensing unit testboard |
Non-Patent Citations (1)
| Title |
|---|
| 浅析机械式水表检定故障与排除;周优萍;《工业计量》;第22卷(第6期);第28-29页 * |
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| CN107860441A (en) | 2018-03-30 |
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