CN110905795B - Test system of micro-flow small-load water pump - Google Patents
Test system of micro-flow small-load water pump Download PDFInfo
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- CN110905795B CN110905795B CN201911113485.4A CN201911113485A CN110905795B CN 110905795 B CN110905795 B CN 110905795B CN 201911113485 A CN201911113485 A CN 201911113485A CN 110905795 B CN110905795 B CN 110905795B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The invention relates to a test system of a micro-flow small-load water pump, which comprises a measurement and control system, a metering container, a water tank, a test pump, flow measuring equipment and a pressure source, wherein the measurement and control system comprises a measuring and control system, a measuring container, a water tank, a measuring pump, flow measuring equipment and a pressure source; the liquid level of the water tank is higher than the horizontal height of the test pump, so that a fall L is formed between the liquid level of the water tank and the test pump; the test system receives flow data measured by the flow measurement device and controls the pressure of the pressure source. The invention adopts a mode of controlling the liquid level height of the water tank to set the inlet pressure and stabilize the inlet pressure; the outlet load is simulated by adopting a gas back pressure mode in the metering container, so that the pressure pulsation of the outlet of the pump is eliminated; an outlet flow testing device is adopted for real-time measurement, so that the requirement of online testing of micro flow is met; the test system adopts automatic control and recording, realizes the automatic control of the system and meets the requirements of long-term test.
Description
Technical Field
The invention relates to the technical field of test and test of pumps, in particular to a test system of a water pump, and particularly relates to a test system of a micro-flow small-load water pump.
Background
At present, a micro-flow small-load water pump is one of key components in a space station water system, the flow and the load pressure are extremely small (the inlet pressure is 0-0.01 MPa, the flow is 2 +/-0.3 ml/time, the inlet-outlet pressure difference is 0-0.05 +/-0.02 MPa, the water temperature is 5 +/-2 ℃ and 40 +/-2 ℃), and the test difficulty is high if an industrial system product test mode is adopted. The existing tester is a closed circulation system, the inlet of the system is a low-pressure pump for pressure reduction and liquid supply, the outlet of the system is realized by pipeline interception, the flow test is closed circulation measurement, although the tester can meet the use requirements after the completion, the following defects still appear in the use process: 1. the inlet pressure fluctuation is large; 2. the outlet pipeline has larger load and outlet pressure adjustment difficulty is larger; 3. the precision of a micro-flow online test mode cannot be met; 4. the mechanical data acquisition instrument has large recording workload; 5. the full manual mode tester cannot be applied to long test.
Disclosure of Invention
In order to achieve the object of the invention: in order to solve the problems in the use process of the existing tester and optimize the system structure, only one tester which can accurately give the test load, accurately test the output technical index and meet the long-test requirement can be redesigned. The tester is used for meeting the test requirements of test pieces, meeting the urgent need of national defense, solving the using defects of the existing tester and filling a gap for China.
The technical scheme of the invention is as follows: a test system of a micro-flow small-load water pump comprises a measurement and control system 1, a metering container 2, a water tank 3, a test pump 4, flow measuring equipment 9 and a pressure source 10;
the water tank is communicated with an inlet of the test pump, an outlet of the test pump is communicated with the metering container, the metering container is also communicated with a pressure source, the pressure source is used for simulating an outlet pressure environment of the test pump, the metering container is provided with flow testing equipment which is used for measuring the outlet flow of the test pump, and the measured water is discharged from an outlet of the metering container; the liquid level of the water tank is higher than the horizontal height of the test pump, so that a fall L is formed between the liquid level of the water tank and the test pump; the test system receives flow data measured by the flow measurement device and controls the pressure of the pressure source.
Further, the device also comprises a water collecting tank 11, a water filtering device 6 and a water pump 7; the water collecting tank 11, the water filtering device 6 and the water pump 7 are communicated in sequence, and supply water to the water tank to ensure the horizontal position of the liquid level at least above the fall L.
Further, a single valve is included, and the outlet of the metering container is communicated to the water collecting tank 11 through a one-way valve. Preferably, the single-way valve is a solenoid valve.
Further, the water tank temperature control device comprises a temperature control device 5 which is used for heating and keeping the temperature of the water in the water tank constant.
Further, the pressure source is a constant pressure source.
Further, the temperature control device is an independently controlled heater, preferably a thermostatic heating device.
And the testing system receives the data of the liquid level sensor and controls the water pump, so that the liquid level is at least above the fall L.
And furthermore, the test system also comprises a temperature sensor for detecting the water temperature of the water tank, and the test system receives the data of the water temperature sensor and controls the temperature control equipment.
The invention has the beneficial effects that: the invention adopts a mode of controlling the liquid level height of the water tank to set the inlet pressure and stabilize the inlet pressure; the outlet load is simulated by adopting a gas back pressure mode in the metering container, so that the pressure pulsation of the outlet of the pump is eliminated; an outlet flow testing device is adopted for real-time measurement, so that the requirement of online testing of micro flow is met; the test system adopts automatic control and recording, realizes the automatic control of the system and meets the requirements of long-term test.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
in the figure: 1-a measurement and control system, 2-a metering container, 3-a water tank, 4-a test pump, 5-a temperature control device, 6-a water filter device, 7-a water pump, 8-a one-way valve, 9-a flow measuring device, 10-a pressure source and 11-a water collecting tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Example one
As shown in fig. 1, a test system of a micro-flow small-load water pump includes a measurement and control system 1, a metering container 2, a water tank 3, a test pump 4, a flow measuring device 9 and a pressure source 10;
the water tank is communicated with an inlet of the test pump, an outlet of the test pump is communicated with the metering container, the metering container is also communicated with a pressure source, the pressure source is used for simulating an outlet pressure environment of the test pump, the metering container is provided with flow testing equipment which is used for measuring the outlet flow of the test pump, and the measured water is discharged from an outlet of the metering container; the liquid level of the water tank is higher than the horizontal height of the test pump, so that a fall L is formed between the liquid level of the water tank and the test pump; the test system receives flow data measured by the flow measurement device and controls the pressure of the pressure source.
Further, the device also comprises a water collecting tank 11, a water filtering device 6 and a water pump 7; the water collecting tank 11, the water filtering device 6 and the water pump 7 are communicated in sequence, and supply water to the water tank to ensure the horizontal position of the liquid level at least above the fall L.
And the outlet of the metering container is communicated to the water collecting tank 11 through a one-way valve.
Also comprises a temperature control device 5 which is used for heating and keeping constant temperature for the water in the water tank.
The pressure source is a constant pressure source.
The temperature control equipment is constant temperature heating equipment.
The testing system receives data of the liquid level sensor and controls the water pump, so that the liquid level is at least above the fall L.
Example two
As shown in fig. 1, a test system of a micro-flow small-load water pump includes a measurement and control system 1, a metering container 2, a water tank 3, a test pump 4, a flow measuring device 9 and a pressure source 10;
the water tank is communicated with an inlet of the test pump, an outlet of the test pump is communicated with the metering container, the metering container is also communicated with a pressure source, the pressure source is used for simulating an outlet pressure environment of the test pump, the metering container is provided with flow testing equipment which is used for measuring the outlet flow of the test pump, and the measured water is discharged from an outlet of the metering container; the liquid level of the water tank is higher than the horizontal height of the test pump, so that a fall L is formed between the liquid level of the water tank and the test pump; the test system receives flow data measured by the flow measurement device and controls the pressure of the pressure source.
The water filter also comprises a water collecting tank 11, a water filtering device 6 and a water pump 7; the water collecting tank 11, the water filtering device 6 and the water pump 7 are communicated in sequence, and supply water to the water tank to ensure the horizontal position of the liquid level at least above the fall L.
And the outlet of the metering container is communicated to the water collecting tank 11 through a one-way valve.
Also comprises a temperature control device 5 which is used for heating and keeping constant temperature for the water in the water tank.
The pressure source is a constant pressure source.
The temperature control device is a heater, preferably a thermostatic heating device.
The testing system receives data of the liquid level sensor and controls the water pump, so that the liquid level is at least above the fall L.
And furthermore, the test system also comprises a temperature sensor for detecting the water temperature of the water tank, and the test system receives the data of the water temperature sensor and controls the temperature control equipment.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a test system of little load water pump of miniflow which characterized in that: the system comprises a measurement and control system, a metering container, a water tank, a test pump, flow measuring equipment and a pressure source;
the water tank is communicated with an inlet of the test pump, an outlet of the test pump is communicated with the metering container, the metering container is also communicated with a pressure source, the pressure source is used for simulating an outlet pressure environment of the test pump, the metering container is provided with flow testing equipment which is used for measuring the outlet flow of the test pump, and the measured water is discharged from an outlet of the metering container; the liquid level of the water tank is higher than the horizontal height of the test pump, so that a fall L is formed between the liquid level of the water tank and the test pump; the measurement and control system receives flow data measured by the flow measurement control equipment and controls the pressure of the pressure source.
2. The micro-fluidic low-load water pump test system of claim 1, wherein: the water filter also comprises a water collecting tank, water filtering equipment and a water pump; the water collecting tank, the water filtering device and the water pump are sequentially communicated, and water is supplied to the water tank to ensure the horizontal position of the liquid level at least above the fall L.
3. The micro-fluidic low-load water pump test system of claim 1, wherein: the metering device also comprises a single valve, and the outlet of the metering container is communicated to the water collecting tank through a one-way valve.
4. The micro-fluidic low-load water pump test system of claim 1, wherein: the water tank is characterized by also comprising temperature control equipment for heating and keeping the temperature of the water in the water tank constant.
5. The micro-fluidic low-load water pump test system of claim 1, wherein: the pressure source is a constant pressure source.
6. The micro-fluidic low-load water pump test system of claim 4, wherein: the temperature control device is an independently controlled heater.
7. The micro-fluidic low-load water pump test system of claim 6, wherein: the temperature control equipment is independently controlled constant-temperature heating equipment.
8. The micro-fluidic low-load water pump test system of claim 1, wherein: the measuring and controlling system receives data of the liquid level sensor and controls the water pump, so that the liquid level is at least above the fall L.
9. The micro-fluidic low-load water pump test system of claim 1, wherein: the temperature control system also comprises a temperature sensor for detecting the water temperature of the water tank, and the measurement and control system receives the data of the water temperature sensor and controls the temperature control equipment.
10. The micro-fluidic low-load water pump test system of claim 3, wherein: the single valve is an electromagnetic valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911113485.4A CN110905795B (en) | 2019-11-14 | 2019-11-14 | Test system of micro-flow small-load water pump |
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| CN110905795B true CN110905795B (en) | 2022-04-19 |
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| CN112197945B (en) * | 2020-08-26 | 2022-04-22 | 中广核核电运营有限公司 | Test method for testing pump output after full test of test pump |
| CN113175437B (en) * | 2021-05-08 | 2022-11-11 | 格力大松（宿迁）生活电器有限公司 | Water pump lift testing device and water pump lift testing method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587948A (en) * | 2004-10-12 | 2005-03-02 | 浙江大学 | Self circulation pump specific curve test instrument |
| CN201439750U (en) * | 2009-07-28 | 2010-04-21 | 广西玉柴机器股份有限公司 | Air pump testing system of engine |
| CN102141034A (en) * | 2011-04-22 | 2011-08-03 | 宁波拓普制动系统有限公司 | Work indication platform for electronic vacuum pump |
| CN102338074A (en) * | 2010-07-23 | 2012-02-01 | 北京航天动力研究所 | Sealing type test device and method applicable to various types of oil pumps |
| CN202149016U (en) * | 2011-06-07 | 2012-02-22 | 上海世德子汽车零部件有限公司 | Testing device of electric fuel pump |
| CN102734149A (en) * | 2012-07-19 | 2012-10-17 | 浙江强盛压缩机制造有限公司 | Compressor performance testing system |
| CN203906247U (en) * | 2014-06-20 | 2014-10-29 | 浙江卡韦德新能源科技有限公司 | SCR urea pump detecting set |
| CN107762824A (en) * | 2017-11-28 | 2018-03-06 | 黄山工业泵制造有限公司 | A kind of test voltage-regulating system for oil-gas mixed delivery pump |
| CN110345060A (en) * | 2019-07-16 | 2019-10-18 | 中国航发沈阳发动机研究所 | A kind of lubricating oil pump group pilot system and test method |
-
2019
- 2019-11-14 CN CN201911113485.4A patent/CN110905795B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587948A (en) * | 2004-10-12 | 2005-03-02 | 浙江大学 | Self circulation pump specific curve test instrument |
| CN201439750U (en) * | 2009-07-28 | 2010-04-21 | 广西玉柴机器股份有限公司 | Air pump testing system of engine |
| CN102338074A (en) * | 2010-07-23 | 2012-02-01 | 北京航天动力研究所 | Sealing type test device and method applicable to various types of oil pumps |
| CN102141034A (en) * | 2011-04-22 | 2011-08-03 | 宁波拓普制动系统有限公司 | Work indication platform for electronic vacuum pump |
| CN202149016U (en) * | 2011-06-07 | 2012-02-22 | 上海世德子汽车零部件有限公司 | Testing device of electric fuel pump |
| CN102734149A (en) * | 2012-07-19 | 2012-10-17 | 浙江强盛压缩机制造有限公司 | Compressor performance testing system |
| CN203906247U (en) * | 2014-06-20 | 2014-10-29 | 浙江卡韦德新能源科技有限公司 | SCR urea pump detecting set |
| CN107762824A (en) * | 2017-11-28 | 2018-03-06 | 黄山工业泵制造有限公司 | A kind of test voltage-regulating system for oil-gas mixed delivery pump |
| CN110345060A (en) * | 2019-07-16 | 2019-10-18 | 中国航发沈阳发动机研究所 | A kind of lubricating oil pump group pilot system and test method |
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