CN110529374A - A kind of water pump reliability test method - Google Patents
A kind of water pump reliability test method Download PDFInfo
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- CN110529374A CN110529374A CN201910626622.8A CN201910626622A CN110529374A CN 110529374 A CN110529374 A CN 110529374A CN 201910626622 A CN201910626622 A CN 201910626622A CN 110529374 A CN110529374 A CN 110529374A
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- water pump
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- reliability
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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
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of water pump reliability test methods, comprising: determines the reliability test project of the water pump；The reliability test project includes voltage stress test, hydraulic stress test and quality test of water；Select the identical water pump of three models as reliability test object；Carry out voltage stress test, hydraulic stress test and quality test of water simultaneously to the identical water pump of three models respectively；Voltage value, hydraulic pressure value and the water quality when the identical water pump of three models breaks down are recorded respectively；The reliability of the water pump is assessed in voltage value, hydraulic pressure value and water quality when being broken down according to the identical water pump of the three of record models, analysis.Through the invention, it can not only consider that a plurality of types of failure problems of water pump product carry out reliability test comprehensively, and the result of reliability test is also more comprehensively accurate.
Description
Technical field
The present invention relates to reliability test field, in particular to a kind of water pump reliability test method.
Background technique
For the reliability level for examining product, generally requires to carry out reliability test for newly researching and developing product, that is, pass through examination
A small amount of model machine is made, life test is carried out, just can enter batch production after verifying its reliability level.However, with the event of water pump product
Downtime is increasingly longer, tests under use environment corresponding " normal stress ", it usually needs the very long test period, it is difficult to full
The engineering demand that foot is quickly developed, therefore often tested under " harsh stress ", it is this to be tried under " harsh stress "
It tests to expose out of order research technique, referred to as accelerated test as early as possible.The accelerated test of traditional water pump product primarily directed to
The weak link of water pump product, is designed by accelerated stress, accelerated test is carried out, however, with the fault type of water pump product
More and more, this test method can not can only comprehensively be commented in view of the failure problems of one of type of water pump product
The reliability of valence water pump product can lengthen test week if to test a plurality of types of failures of water pump product
Phase is unfavorable for the quick research and development of water pump product.
Summary of the invention
The present invention provides a kind of water pump reliability test method, can not only consider a plurality of types of events of water pump product comprehensively
Barrier problem carries out reliability test, and the result of reliability test is also more comprehensively accurate.
According to an aspect of the invention, there is provided a kind of water pump reliability test method, comprising the following steps:
Determine the reliability test project of the water pump；The reliability test project includes voltage stress test, hydraulic pressure
Stress test and quality test of water；
Select the identical water pump of three models as reliability test object；
Carry out voltage stress test, hydraulic stress test and water quality simultaneously to the identical water pump of three models respectively
Test；
Voltage value, hydraulic pressure value and the water quality when the identical water pump of three models breaks down are recorded respectively；
Voltage value, hydraulic pressure value and water quality when being broken down according to the identical water pump of the three of record models, point
The reliability of the water pump is assessed in analysis.
Preferably, voltage value, hydraulic pressure value when being broken down according to the identical water pump of the three of record models and
Water quality, after the reliability of the water pump is assessed in analysis, this method is further comprising the steps of:
Trouble unit when the identical water pump of three models breaks down is recorded respectively；
It is picked out from the trouble unit and trouble unit twice at least occurred as sensing unit, so that research and development people
Member replaces the sensing unit in the water pump.
Preferably, the reliability test project of the water pump is determined, comprising the following steps:
The most common failure and failure cause of the water pump are collected online；
Acquire the history test data sheet for the performance detection test that the water pump was done；
By analyzing most common failure, failure cause and the history test data sheet of the water pump, the water is pumped out into occurrence
The failure of number row's front three is as sensitive fault；
Corresponding reliability test project is formulated according to the sensitive fault；The reliability test project includes that voltage is answered
Power test, hydraulic stress test and quality test of water.
Preferably, voltage stress test is carried out simultaneously to the identical water pump of three models respectively, hydraulic stress is tested
And quality test of water, comprising the following steps:
The identical water pump of three models is put into test water tank respectively；
To first initial voltage value that draws water of water pump setting, and gradually decreases and draw water since the voltage value that initially draws water
Voltage value, until first water pump breaks down；
Initial water pressure value is arranged to the test water tank that second water pump is placed, and is gradually risen since the initial water pressure value
High hydraulic pressure value, until second water pump breaks down；
Initial water quality is arranged in the water in test water tank placed to third water pump, and since the initial water quality gradually
The turbidity for increasing water quality, until the third water pump breaks down.
Preferably, the fall off rate of the voltage value applied to first water pump is to decline 1V per minute, to second water pump
The increase rate for the hydraulic pressure that the test water tank of placement applies is to rise 0.001MPa per minute.
Compared with prior art, beneficial effects of the present invention are as follows:
Through the invention, while three water pumps of selection carry out voltage, hydraulic pressure and quality test of water respectively, both can be quick
The reliability test of water pump is obtained as a result, can make the reliability test result of water pump more comprehensively accurate again, is research staff
It researches and develops higher-quality water pump and provides reliable foundation, be conducive to the research and development of water pump.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In attached drawing:
Fig. 1 is a kind of flow chart of water pump reliability test method according to an embodiment of the present invention；
Fig. 2 is the flow chart of according to embodiments of the present invention one another water pump reliability test method.
Specific embodiment
Below in conjunction with attached drawing of the present invention, technical solution of the present invention is described, but described embodiment is only
A part of the embodiment of the present invention, based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of water pump reliability test method, Fig. 1 is water pump according to an embodiment of the present invention
The flow chart of reliability test method, as shown in Figure 1, comprising the following steps:
Step S101: the reliability test project of water pump is determined；Reliability test project includes voltage stress test, hydraulic pressure
Stress test and quality test of water；
Step S102: select the identical water pump of three models as reliability test object；
Step S103: respectively to the identical water pump of three models simultaneously carry out voltage stress test, hydraulic stress test with
And quality test of water；
Step S104: voltage value, hydraulic pressure value and the water quality when the identical water pump of three models breaks down are recorded respectively；
Step S105: voltage value, hydraulic pressure value and water when being broken down according to the three of record identical water pumps of model
Matter, the reliability of analysis assessment water pump.
In implementation process, after step S105, event when the identical water pump of three models breaks down is recorded respectively
Hinder component；It is picked out from trouble unit and trouble unit twice at least occurred as sensing unit, so that research staff will
Sensing unit in water pump is replaced.
In step s101, the most common failure and failure cause of water pump are collected online；The performance inspection that acquisition water pump was done
Test the history test data sheet tested；By analyzing most common failure, failure cause and the history test data sheet of water pump, water is pumped out
Occurrence number arranges the failure of front three as sensitive fault；Corresponding reliability test project is formulated according to sensitive fault；Reliability
Pilot project includes voltage stress test, hydraulic stress test and quality test of water.
In step s 103, the identical water pump of three models is put into test water tank respectively；First water pump is arranged
Initially draw water voltage value, and gradually decreases the voltage value that draws water since the voltage value that initially draws water, until event occurs for first water pump
Barrier；Initial water pressure value is arranged to the test water tank that second water pump is placed, and gradually rises hydraulic pressure value since initial water pressure value,
Until second water pump breaks down；The water in test water tank placed to third water pump is arranged initial water quality, and from initial
Water quality starts to gradually increase the turbidity of water quality, until third water pump breaks down.
Further, the fall off rate of the voltage value applied to first water pump is to decline 1V per minute, to second water
The increase rate for the hydraulic pressure that the test water tank that pump is placed applies is to rise 0.001MPa per minute.
Through the above steps, it can not only consider that a plurality of types of failure problems of water pump product carry out reliability examination comprehensively
It tests, and the result of reliability test is also more comprehensively accurate.
In order to keep technical solution of the present invention and implementation method clearer, below in conjunction with preferred embodiment in fact
Existing process is described in detail.
Embodiment one
The present embodiment provides another water pump reliability test methods, as shown in Fig. 2, Fig. 2 is according to embodiments of the present invention
The flow chart of one another water pump reliability test method, comprising the following steps:
Step S201: the online most common failure and failure cause for collecting water pump；
In the embodiment of the present invention, the most common failure and failure cause of on-line search water pump is specific in above-mentioned steps S201
Embodiment are as follows: testing crew can obtain user to water by the different approach such as network forum, discussion bar and network messaging
The evaluation and the common failure and specific failure cause of water pump after use are pumped, water pump can be occurred most frequently in this way
Failure picks out the test emphasis as water pump reliability, can make the reliability test result of water pump for water pump in this way
Research and development more have actual reference；
Step S202: the history test data sheet for the performance detection test that acquisition water pump was done；
In the embodiment of the present invention, above-mentioned history experimental record refers specifically to water pump in the performance detection test that water pump was done and occurs
The specific fault type and failure cause of failure；
Step S203: water is pumped out occurrence by most common failure, failure cause and history test data sheet by analyzing water pump
The failure of number row's front three is as sensitive fault；
As an alternative embodiment, in the most common failure for the water pump collected, by the different type event of water pump
Hinder the number occurred according to being ranked up from big to small, when can waste a large amount of since all types of failures all to be carried out to test
Between, extend the test period, is unfavorable for the research and development of water pump, therefore using the failure of ranking front three as sensitive fault, so as to basis
Sensitive fault determines the reliability test project of water pump, and in the present embodiment, sensitive fault is voltage failure, the insufficient failure of hydraulic pressure
And the failure of the bad initiation of water quality；
Step S204: corresponding reliability test project is formulated according to sensitive fault；
In the embodiment of the present invention, above-mentioned reliability test project includes voltage stress test, hydraulic stress test and water
Matter test；
Step S205: select the identical water pump of three models as reliability test object；
In the embodiment of the present invention, selects the identical water pump of three models as experimental subjects, three can be made while being carried out
Reliability test experimental basis it is identical, the reliability test result obtained in this way just can be more accurate；
Step S206: the identical water pump of three models is put into test water tank respectively；
Step S207: it to first initial voltage value that draws water of water pump setting, and is gradually dropped since the voltage value that initially draws water
The low voltage value that draws water, until first water pump breaks down；
In the embodiment of the present invention, the fall off rate to the voltage value that first water pump applies is to decline 1V per minute；
Step S208: initial water pressure value is arranged to the test water tank that second water pump is placed, and since initial water pressure value
Hydraulic pressure value is gradually risen, until second water pump breaks down；
In the embodiment of the present invention, the increase rate to the hydraulic pressure of the test water tank application of second water pump placement is per minute
Rise 0.001MPa；
Step S209: initial water quality is arranged in the water in test water tank placed to third water pump, and opens from initial water quality
Beginning gradually increases the turbidity of water quality, until third water pump breaks down；
Step S210: voltage value, hydraulic pressure value and the water quality when the identical water pump of three models breaks down are recorded respectively；
Step S211: voltage value, hydraulic pressure value and water when being broken down according to the three of record identical water pumps of model
Matter, the reliability of analysis assessment water pump；
Step S212: trouble unit when the identical water pump of three models breaks down is recorded respectively；
Step S213: picking out from trouble unit and trouble unit twice at least occurred as sensing unit, so that
Research staff replaces the sensing unit in water pump.
In summary, through the foregoing embodiment, while three water pumps of selection carry out voltage, hydraulic pressure and water quality examination respectively
It tests, can not only be quickly obtained the reliability test of water pump as a result, but also the reliability test result of water pump can be made more comprehensive
Accurately, higher-quality water pump is researched and developed for research staff and provide reliable foundation, be conducive to the research and development of water pump.
Claims (5)
1. a kind of water pump reliability test method, which comprises the following steps:
Determine the reliability test project of the water pump；The reliability test project includes voltage stress test, hydraulic stress
Test and quality test of water；
Select the identical water pump of three models as reliability test object；
Voltage stress test, hydraulic stress test and water quality is carried out simultaneously to the identical water pump of three models respectively to try
It tests；
Voltage value, hydraulic pressure value and the water quality when the identical water pump of three models breaks down are recorded respectively；
Voltage value, hydraulic pressure value and water quality when being broken down according to the identical water pump of the three of record models, analysis are commented
Estimate the reliability of the water pump.
2. the method according to claim 1, wherein being occurred according to the identical water pump of the three of record models
Voltage value, hydraulic pressure value and water quality when failure, further comprising the steps of after the reliability of the water pump is assessed in analysis:
Trouble unit when the identical water pump of three models breaks down is recorded respectively；
It is picked out from the trouble unit and trouble unit twice at least occurred as sensing unit, so that research staff will
Sensing unit in the water pump is replaced.
3. according to the method described in claim 2, it is characterized in that, determine the reliability test project of the water pump, including with
Lower step:
The most common failure and failure cause of the water pump are collected online；
Acquire the history test data sheet for the performance detection test that the water pump was done；
By analyzing most common failure, failure cause and the history test data sheet of the water pump, the water pump frequency of occurrence is arranged
The failure of front three is as sensitive fault；
Corresponding reliability test project is formulated according to the sensitive fault；The reliability test project includes voltage stress examination
It tests, hydraulic stress is tested and quality test of water.
4. according to the method described in claim 3, it is characterized in that, being carried out simultaneously to the identical water pump of three models respectively
Voltage stress test, hydraulic stress test and quality test of water, comprising the following steps:
The identical water pump of three models is put into test water tank respectively；
The voltage that draws water is gradually decreased to first initial voltage value that draws water of water pump setting, and since the voltage value that initially draws water
Value, until first water pump breaks down；
Initial water pressure value is arranged to the test water tank that second water pump is placed, and gradually rises water since the initial water pressure value
Pressure value, until second water pump breaks down；
Initial water quality is arranged in the water in test water tank placed to third water pump, and gradually increases since the initial water quality
The turbidity of water quality, until the third water pump breaks down.
5. according to the method described in claim 4, it is characterized in that, being to the fall off rate for the voltage value that first water pump applies
Decline 1V per minute, the increase rate to the hydraulic pressure that the test water tank that second water pump is placed applies are to rise per minute
0.001MPa。
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| CN201910626622.8A CN110529374A (en) | 2019-07-11 | 2019-07-11 | A kind of water pump reliability test method |
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| CN201910626622.8A CN110529374A (en) | 2019-07-11 | 2019-07-11 | A kind of water pump reliability test method |
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| CN110529374A true CN110529374A (en) | 2019-12-03 |
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| US6595390B1 (en) * | 1999-02-03 | 2003-07-22 | Taiwan Semiconductor Manufacturing Co., Ltd | Method and apparatus for dispensing fluid doses |
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