CN107781155B - Test macro, durability test method and performance test methods - Google Patents

Test macro, durability test method and performance test methods Download PDF

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Publication number
CN107781155B
CN107781155B CN201710799471.7A CN201710799471A CN107781155B CN 107781155 B CN107781155 B CN 107781155B CN 201710799471 A CN201710799471 A CN 201710799471A CN 107781155 B CN107781155 B CN 107781155B
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tested water
water pump
tested
test
main line
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CN107781155A (en
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陆群
孙艳
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Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
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Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00Testing machines, pumps, or pumping installations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum

Abstract

The invention discloses a kind of test macro, durability test method and performance test methods, are related to drainage machinery the field of test technology, and main purpose is to reduce cost.The test macro includes water tank, and the first pipeline includes the first main line being connected to tank entry and multiple first bye-passes communicated therewith;Second pipeline includes the second main line and multiple second bye-passes for communicating therewith, for multiple tested water valves in parallel between multiple first bye-passes and multiple second bye-passes;Third pipeline one end is connected to tank outlet, and the other end and the second main line other end are for connecting tested water pump;First pressure sensor and second pressure sensor are respectively arranged at third pipeline and the second main line, and flow sensor is set to the first main line;Control unit opens at least one in multiple tested water valves for controlling multiple tested water valve alternation switches, and controls tested water pump and alternately open and close.Present invention is mainly used for pump performances and water pump and water valve durability test.

Description

Test macro, durability test method and performance test methods
Technical field
The present invention relates to drainage machinery the field of test technology more particularly to a kind of test macro, durability test method and Performance test methods.
Background technique
Water pump and water valve are essential components in water cooling heat management system, the performance and water pump of water pump and water valve Durability is an important factor for influencing heat management system service life.
In order to guarantee the service life of water cooling heat management system, before practical selected part, usually to the performance of water pump And can the durability of water pump and water valve meet the requirements and be tested.In the prior art, to the test of pump performance and right The durability test of water pump and water valve individually separately carries out, that is, build it is corresponding it is different test rack, and tested at one Rack carries out the performance and durability test of water pump, carries out the durability test of water valve, higher cost in another test-bed.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of test macro, durability test method and performance test methods, it is main Syllabus is to reduce cost.
In order to achieve the above objectives, present invention generally provides following technical solutions:
In a first aspect, the embodiment of the invention provides a kind of test macros, comprising:
Water tank, the first pipeline, the second pipeline, third pipeline, first pressure sensor, second pressure sensor, flow pass Sensor;
The water tank has outlet and entrance;
First pipeline includes the first main line and multiple first bye-passes for being connected to first main line one end, The other end of first main line is connected to the entrance;
Second pipeline includes the second main line and multiple second bye-passes for being connected to second main line one end, For connecting a tested water valve between each first bye-pass and each second bye-pass, make multiple tested water Valve is in parallel;
One end of the third pipeline and the outlet, the other end of the third pipeline and second main line The other end for connecting tested water pump;
The first pressure sensor is set on the third pipeline, and the second pressure sensor is set to described On two main lines, the flow sensor is set on first main line;
Control unit, described control unit is continuously alternately opened and closed for controlling multiple tested water valves, and is made At least one in multiple tested water valves is in the open state, and the control tested water pump is continuously alternately opened and closed It closes.
Second aspect, the embodiment of the present invention also provide a kind of durability test method, are used for test macro above-mentioned, packet It includes:
It controls multiple tested water valves continuously alternately to open and close, and makes at least one in multiple tested water valves It is a in the open state;
The tested water pump is controlled continuously alternately to open and close;
When the opening and closing number of each tested water valve is equal to preset times, detect whether its leakproofness meets Preset requirement, if its leakproofness meets preset requirement, then it represents that the tested water valve is qualified.
Whether when the opening and closing time of the tested water pump being equal to the first preset time, detecting its bearing can be steady Whether rotation and its water seal leak, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that it is described tested Water pump is qualified.
Specifically, the multiple tested water valves of control continuously alternately open and close, and make multiple tested water At least one in valve is in the open state, comprising:
It controls each tested water valve continuously alternately to open the second preset time and close third preset time, and at least One in two tested water valves postpones to open the 4th preset time relative to another;
Wherein, the third preset time is less than second preset time, and the 4th preset time is greater than described the Three preset times, the 4th preset time are less than second preset time.
Specifically, the other end of the second main line described in the test macro is communicated with multiple third bye-passes;It is described Third pipeline includes third main line and multiple 4th bye-passes for being connected to third main line one end, the third supervisor The other end on road and the outlet;For connecting one between each third bye-pass and each 4th bye-pass The tested water pump keeps multiple tested water pumps in parallel;The first pressure sensor is set on the third main line;
The control tested water pump continuously alternately opens and closes, comprising:
Each tested water pump is controlled continuously alternately to open and close;
When the opening and closing time in the tested water pump is equal to the first preset time, detects its bearing and whether can Whether smooth rotation and its water seal leak, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that it is described Tested water pump is qualified, comprising:
When the opening and closing time of each tested water pump being equal to the first preset time, detects its bearing and whether can Whether smooth rotation and its water seal leak, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that it is described Tested water pump is qualified.
Specifically, the tested water pump be can not adjustable speed water pump;The control tested water pump continuously alternately open and It closes, comprising:
The tested water pump is controlled continuously alternately to open the 5th preset time with rated speed and close the 6th preset time, Until the total time opened and closed is first preset time.
Specifically, the tested water pump is adjustable speed water pump;The control tested water pump is continuously alternately opened and is closed It closes, comprising:
First stage: the control tested water pump is continuously alternately opened the 7th preset time with the first tachometer value and closes the Eight preset times;
Second stage: the control tested water pump is continuously alternately opened the 9th preset time with the second tachometer value and closes the Ten preset times;
Wherein, the first stage and the second stage alternately, until total time alternately is described the One preset time.
The third aspect, the embodiment of the present invention also provide a kind of performance test methods, for above-mentioned test macro, comprising:
It controls multiple tested water valves and is in open state;
By the pressure regulator valve of the flow sensor and the adjusting tank entry and outlet, the tested water pump is obtained Multiple and different flow values;
By the first pressure sensor and the second pressure sensor, the tested water pump is obtained each described The pressure difference value of inlet and outlet under flow value;
According to the flow value and the pressure difference value, the flow-pressure differential curve of the tested water pump is obtained.
Specifically, the other end of the second main line described in the test macro is communicated with multiple third bye-passes;It is described Third pipeline includes third main line and multiple 4th bye-passes for being connected to third main line one end, the third supervisor The other end on road and the outlet;For connecting one between each third bye-pass and each 4th bye-pass The tested water pump keeps multiple tested water pumps in parallel;The first pressure sensor is set on the third main line;
The pressure regulator valve by the flow sensor and the adjusting tank entry and outlet, obtains the tested water Before multiple and different flow values of pump, the method also includes:
One controlled in multiple tested water pumps is in the open state;
The pressure regulator valve by the flow sensor and the adjusting tank entry and outlet, obtains the tested water Multiple and different flow values of pump, comprising:
By the pressure regulator valve of the flow sensor and the adjusting tank entry and outlet, obtain in the open state Multiple and different flow values of the tested water pump;
It is described by the first pressure sensor and the second pressure sensor, obtain the tested water pump each The pressure difference value of inlet and outlet under the flow value, comprising:
By the first pressure sensor and the second pressure sensor, obtain in the open state described tested The pressure difference value of inlet and outlet of the water pump under each flow value.
By above-mentioned technical proposal, cabinet of the present invention and test macro, durability test method and performance test methods are extremely It has the advantages that less
Test macro provided in an embodiment of the present invention, by water tank, the first pipeline, the second pipeline and third pipeline and The setting of each sensor and control unit realizes the durability when the performance and water pump and water valve for needing to test water pump When, tested water pump only need to be connected to the other end of third pipeline and the other end of the second main line, by multiple tested water valves point It is not connected between corresponding each first bye-pass and each second bye-pass, opens all tested water valves or in which a water Valve guarantees that the water flow in pipeline is unimpeded, can carry out the performance test of tested water pump;Moreover, being controlled by control unit multiple Tested water valve continuously alternately opens and closes, and keeps at least one in multiple tested water valves in the open state, ensure that pipe Water flow in road is unimpeded, meanwhile, it controls tested water pump and continuously alternately opens and closes, tested water pump and multiple tested can be realized It is carried out while water valve durability test.Compared with prior art, technical solution provided in an embodiment of the present invention realizes utilization One test device completes the purpose of the performance test of water pump and the durability test of water pump and water valve, reduces costs; Meanwhile the purpose that the durability test for also achieving tested water pump and tested water valve can carry out simultaneously, moreover, it is also possible to once The durability test for completing multiple tested water valves, effectively increases working efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of test macro provided in an embodiment of the present invention;
Fig. 2 is a kind of flow diagram of durability test method provided in an embodiment of the present invention;
Fig. 3 is the flow diagram of another durability test method provided in an embodiment of the present invention;
Fig. 4 is a kind of flow diagram of performance test methods provided in an embodiment of the present invention;
Fig. 5 is the flow diagram of another performance test methods provided in an embodiment of the present invention.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with Attached drawing and preferred embodiment, to the specific reality of the test macro of the present patent application, durability test method and performance test methods Mode, structure, feature and its effect is applied to be described in detail.In the following description, different " embodiment " or " embodiment " What is referred to is not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any conjunction Conformal formula combination.
As shown in Figure 1, the embodiment of the invention provides a kind of test device, including water tank 1, the first pipeline, the second pipeline, Third pipeline, first pressure sensor 2, second pressure sensor 3, flow sensor 4;Wherein, water tank 1 has outlet 11 and enters Mouth 12;First pipeline includes the first main line 5 and multiple first bye-passes 6 for being connected to 5 one end of the first main line, the first supervisor The other end on road 5 is connected to entrance 12;Second pipeline includes the second main line 7 and is connected to 7 one end of the second main line multiple Second bye-pass 8 makes multiple quilts for connecting a tested water valve 10 between each first bye-pass 6 and each second bye-pass 8 It is in parallel to survey water valve 10;One end of third pipeline is connected to outlet 11, the other end of the other end of third pipeline and the second main line 7 For connecting tested water pump 20;First pressure sensor 2 is set on third pipeline, and second pressure sensor 3 is set to described On second main line 7, flow sensor 4 is set on the first main line 5;Control unit, the control unit are multiple for controlling Tested water valve 10 continuously alternately opens and closes, and keeps at least one in multiple tested water valves 10 in the open state, and Tested water pump 20 is controlled continuously alternately to open and close.
The test macro, by being the structure shape for including main line and bye-pass by the first pipeline and the second circuit design Formula, so that multiple tested water valves 10 can be to connect in the loop with tested water pump 20 after parallel with one another again, arrow direction table in Fig. 1 Show water (flow) direction, moreover, being separately provided for measuring tested 20 pressure at two ends of water pump on third pipeline and the second main line 7 The first pressure sensor 2 and second sensor of value, and be provided on the first pipeline for measuring flow value in circuit Flow sensor 4 is realized the performance test that can have not only been carried out tested water pump 20 using the test device, but also can be tested The durability test of water pump 20 and tested water valve 10.Wherein, first pressure sensor 2 and second pressure sensor 3 can also be by Differential manometer replaces.
Test macro provided in an embodiment of the present invention, by water tank, the first pipeline, the second pipeline and third pipeline and The setting of each sensor and control unit realizes the durability when the performance and water pump and water valve for needing to test water pump When, tested water pump only need to be connected to the other end of third pipeline and the other end of the second main line, by multiple tested water valves point It is not connected between corresponding each first bye-pass and each second bye-pass, opens all tested water valves or in which a water Valve can carry out the performance test of tested water pump to guarantee that the water flow in pipeline is unimpeded;Moreover, being controlled by control unit more A tested water valve continuously alternately opens and closes, and keeps at least one in multiple tested water valves in the open state, to guarantee Water flow in pipeline is unimpeded, meanwhile, it controls tested water pump and continuously alternately opens and closes, tested water pump and multiple quilts can be realized It is carried out while surveying water valve durability test.Compared with prior art, technical solution provided in an embodiment of the present invention, realizes benefit The purpose that the performance test of water pump and the durability test of water pump and water valve are completed with a test device, reduces into This;Meanwhile the purpose that the durability test for also achieving tested water pump and tested water valve can carry out simultaneously, moreover, it is also possible to The durability test for once completing multiple tested water valves, effectively increases working efficiency.
In conjunction with Fig. 1 and Fig. 2 is referred to, the embodiment of the invention also provides a kind of durability test methods, for above-mentioned survey Test system, this method comprises:
101, multiple tested water valves are controlled continuously alternately to open and close, and are made in multiple tested water valves at least Have one it is in the open state.
Wherein, while controlling multiple 10 continuously alternately opening and closing of tested water valves, make in multiple tested water valves 10 At least one is in the open state, i.e., while carrying out durability test to multiple tested water valves 10, ensure that test system Fluid smooth can circulate in the entire circuit of system, to ensure that the durability test of tested water pump 20 can be with tested water valve 10 durability test is completed at the same time, and is improved work efficiency.
102, the tested water pump 20 is controlled continuously alternately to open and close.
103, when the opening and closing number of each tested water valve 10 is equal to preset times, detecting its leakproofness is It is no to meet preset requirement, if its leakproofness meets preset requirement, then it represents that the tested water valve 10 is qualified.
Wherein, the preset times can be 10000 times, and the preset requirement can be in machinery industry standard about water The sealing requirements of valve can be to tested water when the opening and closing number of each tested water valve 10 of control reaches 10000 times The leakproofness of valve 10 is detected, and judges whether the leakproofness of the tested water valve 10 after 10000 switch tests meets machine About the sealing requirements of water valve in tool professional standard, if satisfied, then indicating that the tested water valve 10 is qualified, water cooling can be applied to It in heat management system, otherwise, then can not be applied in water cooling management system, to ensure that the use longevity of water cooling heat management system Life.
104, it when the opening and closing time of the tested water pump being equal to the first preset time, detects its bearing and whether can Whether smooth rotation and its water seal leak, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that it is described Tested water pump is qualified.
Wherein, first preset time can be 500 hours, continuously alternately open and close controlling tested water pump 20 At 500 hours, can detecte by 500 hours it is continuous alternately open and close after the shaft of tested water pump 20 whether can be with Smoothly rotate, whether water seal can leak, if shaft can also be rotated smoothly, the good No leakage of the leakproofness of water seal, It then indicates that the tested water pump 20 is qualified, can be applied in water cooling heat management system, otherwise, then can not be applied to water cooling management system In system, to ensure that the service life of water cooling heat management system.
Specifically, being tested water pump 20 can be non-adjustable fast water pump or adjustable speed water pump.
If tested water pump 20 is non-adjustable water pump, step 102 may include: the control tested water pump 20 with rated speed It is continuous alternately to open the 5th preset time and close the 6th preset time, until the total time opened and closed is described first pre- If the time.
Wherein, the 5th preset time can be 45 seconds, and the 6th preset time can be 15 seconds.Specific durability is surveyed Try suddenly can be with are as follows: firstly, tested water pump 20 operate 45 seconds under rated speed (i.e. duty ratio be 100% state), pause 15 seconds;It is remained in operation 45 seconds with the revolving speed (i.e. duty ratio is 50% state) lower than rated speed again, suspends 15 seconds.I.e. tested water Pump 20 is 100% state and 50% state alternate run in duty ratio, until operating reaches 500h at total time.
If tested water pump 20 is adjustable speed water pump, step 102 may include: the first stage: the control tested water pump 20 The 7th preset time is continuously alternately opened with the first tachometer value and closes the 8th preset time;Second stage: control is described tested Water pump 20 is continuously alternately opened the 9th preset time with the second tachometer value and closes the tenth preset time;Wherein, first rank Section and the second stage are first preset time up to total time alternately alternately.
Wherein, the 5th preset time can be 45 seconds, and the 6th preset time can be 15 seconds.Specific durability is surveyed Try suddenly can be with are as follows: tested water pump 20 suspends 15 seconds with its rated speed operating 45 seconds;Then it reruns 45 seconds, suspends 15 seconds, Until operating reaches 500h at total time.
A kind of durability test method provided in an embodiment of the present invention, using test macro above-mentioned to water pump and water valve into Tested water pump can be connected to the other end and the second main line of third pipeline when testing by row durability test Multiple tested water valves are connected between corresponding each first bye-pass and each second bye-pass, and lead to by the other end It crosses control unit and controls the continuously alternately opening and closing of multiple tested water valves, and be at least one in multiple tested water valves Open state, to guarantee that the water flow in pipeline is unimpeded, meanwhile, it controls tested water pump and continuously alternately opens and closes, can be realized It is carried out while tested water pump and multiple tested water valve durability tests.Compared with prior art, provided in an embodiment of the present invention Technical solution realizes using a test macro and completes the purpose of the durability test of water pump and water valve, reduces costs; Meanwhile the purpose that the durability test for also achieving tested water pump and tested water valve can carry out simultaneously, moreover, it is also possible to once The durability test for completing multiple tested water valves, effectively increases working efficiency.
In conjunction with Fig. 1 and Fig. 3 is referred to, the embodiment of the invention also provides another durability test methods, for above-mentioned Test macro, this method comprises:
201, each tested water valve is controlled continuously alternately to open the second preset time and close third preset time, and One in at least two tested water valves postpones to open the 4th preset time relative to another.
Wherein, the third preset time is less than second preset time, and the 4th preset time is greater than described the Three preset times are less than second preset time.Specifically, second preset time can be 100 seconds, when third is preset Between can be 50 seconds, the 4th preset time can be 75 seconds, it can each tested water valve 10 continuously alternately opens 100 for control Second, it closes 50 seconds, moreover, one at least two tested water valves 10 opens 75 seconds relative to another delay, to guarantee At least one in multiple tested water valves 10 is in the open state, that is to say, that ensure that multiple tested water valves 10 will not be same When close so that the loop fluid flowing of test macro is unimpeded, and then ensure that 10 durability of tested water pump 20 and tested water valve It is carried out while test.For example, can control first tested water valve 10 first when the quantity of tested water valve 10 is 2 and open It is dynamic, it after delay 75 seconds, then controls second tested water valve 10 and starts, so that the opening time of a tested water valve 10 is greater than separately The shut-in time of one tested water valve 10, to ensure that two tested water valves 10 during durability test will not be simultaneously It closes.
202, each tested water pump is controlled continuously alternately to open and close.
Specifically, the other end of the second main line 7 can be communicated with multiple third bye-passes 9 in the test macro;The Three pipelines may include third main line 13 and multiple 4th bye-passes 14 for being connected to 13 one end of third main line, third supervisor The other end on road 13 is connected to the outlet 11 of water tank 1;For connecting between each third bye-pass 9 and each 4th bye-pass 14 One tested water pump 20 keeps multiple tested water pumps 20 in parallel;First pressure sensor 2 is set on third main line 13.It is such Structure design, realizing multiple tested water pumps 20 can be connected in parallel in the circuit of test macro, can control in test each Tested water pump 20 continuously alternately opens and closes, and multiple tested water pumps 20 is enabled to carry out durability test test simultaneously, into One step improves work efficiency.Wherein, during testing experiment, multiple tested water pumps 20 can open or close simultaneously.
203, when the opening and closing number of each tested water valve is equal to preset times, whether its leakproofness is detected Meet preset requirement, if its leakproofness meets preset requirement, then it represents that the tested water valve is qualified.
Wherein, the preset times can be 10000 times, and the preset requirement can be in machinery industry standard about water The sealing requirements of valve can be to tested water when the opening and closing number of each tested water valve 10 of control reaches 10000 times The leakproofness of valve 10 is detected, and judges whether the leakproofness of the tested water valve 10 after 10000 switch tests meets machine About the sealing requirements of water valve in tool professional standard, if satisfied, then indicating that the tested water valve 10 is qualified, water cooling can be applied to It in heat management system, otherwise, then can not be applied in water cooling management system, to ensure that the use longevity of water cooling heat management system Life.
204, when the opening and closing time of each tested water pump being equal to the first preset time, detecting its bearing is Whether no energy smooth rotation and its water seal leak, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that The tested water pump is qualified.
Wherein, first preset time can be 500 hours, control each tested water pump 20 continuously alternately open and When closing 500 hours, the shaft that can detecte each tested water pump 20 after continuous alternately opening and closing in 500 hours is No smoothly to rotate, whether water seal can leak, if shaft can also be rotated smoothly, the leakproofness of water seal is good No leakage, then it represents that the tested water pump 20 is qualified, can be applied in water cooling heat management system, otherwise, then can not be applied to water In cold management system, to ensure that the service life of water cooling heat management system.
Another kind durability test method provided in an embodiment of the present invention, using test macro above-mentioned to water pump and water valve Tested water pump can be connected to the other end and the second main line of third pipeline when testing by carrying out durability test The other end, multiple tested water valves are connected between corresponding each first bye-pass and each second bye-pass, and Multiple tested water valves are controlled by control unit continuously alternately to open and close, and are made at least one in multiple tested water valves In open state, to guarantee that the water flow in pipeline is unimpeded, meanwhile, it controls tested water pump and continuously alternately opens and closes, Ji Keshi It is carried out while being now tested water pump and multiple tested water valve durability tests.Compared with prior art, the embodiment of the present invention provides Technical solution, realize using a test macro and complete the purpose of the durability test of water pump and water valve, reduce into This;Meanwhile the purpose that the durability test for also achieving tested water pump and tested water valve can carry out simultaneously, moreover, it is also possible to The durability test for once completing multiple tested water valves, effectively increases working efficiency.
In conjunction with Fig. 1 and Fig. 4 is referred to, the embodiment of the invention also provides a kind of performance test methods, for above-mentioned test System, this method comprises:
301, multiple tested water valves are controlled and is in open state.
Wherein, when carrying out the performance test of tested water pump 20, multiple tested water valves 10 is controlled and are in open state, with Ensure that fluid smooth can circulate in the entire circuit of test macro, thus guarantee tested 20 performance test of water pump it is normal into Row.
302, by the pressure regulator valve of the flow sensor and the adjusting tank entry and outlet, the tested water is obtained Multiple and different flow values of pump.
303, by the first pressure sensor and the second pressure sensor, the tested water pump is obtained each The pressure difference value of inlet and outlet under the flow value;
Wherein, being tested water pump 20 can be non-adjustable fast water pump or adjustable speed water pump.If tested water pump 20 is adjustable speed water Pump, during adjustable speed testing water pump, need to test complete water pump duty ratio be 20%, 30%, 40%, 50%, 60%, 70%, 80%, the 90%, performance curve under 100% 9 kind of operating condition;Before test carries out, it is thus necessary to determine that every kind of duty ratio shape The peak flow values that water pump can reach under state, which is set to the test point 1 under the duty ratio state, further according to this Peak flow values under duty ratio state determine 6 test points (test point 1, test under the duty ratio including the test point Point 2, test point 3, test point 4, test point 5 and test point 6, wherein test point 1 is flow maximum, test point 6 be flow most Small value, as 0).Specific test process can be with are as follows:
Step 1: setting 20% for the duty ratio of tested water pump 20;
Step 2: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, is in the flow in test macro circuit most Big value, the flow value are the flow value of test point 1, and when determining that duty ratio is 20% state according to the flow value, remaining 5 surveys The flow value of pilot;
Step 3: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, makes test macro circuit flow test point 1 Flow value continue 10s after stability of flow, record first pressure sensor 2 and second pressure sensor 3 in test loop The pressure value at place;
Step 4: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, makes test macro circuit flow test point 2 Flow value continue 10s after stability of flow, record first pressure sensor 2 and second pressure sensor 3 in test loop The pressure value at place;
Step 5-step 8 concrete operation method is similar with step 3 or step 4, only by circuit test point 1 or Test point 2 is changed to the flow value of test point 3, test point 4, test point 5 and test point 6.
Step 9: the duty ratio of tested water pump 20 is set as 30%, repeats step after step 2~step 7 to be done Two-step 8;The specific testing procedure and duty that duty ratio is 40%, 50%, 60%, 70%, 80%, 90% and 100% It is similar than after being 20% 30%, after adjusting duty ratio, repeat the above steps.
It should be understood that adjustable speed water pump is when duty ratio is the state of 80%-100%, in test macro circuit The possible indifference of flow maximum, the minimum duty cycle state that testing experiment only needs to proceed in maximum stream flow indifference is i.e. It can.
If tested water pump 20 is adjustable speed water pump, specific test process can be with are as follows:
Step 1: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, is in the flow in test macro circuit most Big value, flow value of the flow value as test point 1, and tested 20 performance curve measurement process of water pump is determined according to the flow value In required for remaining 5 test point flow value, wherein the flow value of minimum test point, that is, test point 6 be 0, this 6 test Point is labeled as test point 1- test point 6;
Step 2: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11 surveys the flow value in test macro circuit The flow value of pilot 1 continues 10s after stability of flow, records first pressure sensor 2 and second pressure in test loop and passes The 3 collected pressure value of institute of sensor;
Step 3: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11 surveys the flow value in test macro circuit The flow value of pilot 2 continues 10s after stability of flow, records first pressure sensor 2 and second pressure in test loop and passes Pressure value at sensor 3;
Step 4-step 8 concrete operation method is similar with step 2 or step 3, only by test point 1 or test point 2 Flow value be changed to the flow value of test point 3, test point 4, test point 5 and test point 6, to obtain the 6 of tested water pump 20 A flow value, repeats the above steps.
304, according to the flow value and the pressure difference value, the flow-pressure differential curve of the tested water pump is obtained, so that Operator judges whether the performance of the tested water pump meets the requirements by the flow-pressure differential curve.
A kind of performance test methods provided in an embodiment of the present invention carry out performance survey to water pump using test macro above-mentioned Tested water pump, when testing, can be connected to the other end of third pipeline and the other end of the second main line by examination, will be more A tested water valve is connected between corresponding each first bye-pass and each second bye-pass, opens all tested water Valve, to guarantee that the water flow in pipeline is unimpeded, can by flow sensor, first pressure sensor and second pressure sensor into The performance test of the tested water pump of row.Technical solution provided in an embodiment of the present invention is realized using a test macro and is completed The purpose of the durability test of the performance test of water pump and water pump and water valve, reduces costs;Meanwhile also achieving tested water The purpose that the durability test of pump and tested water valve can carry out simultaneously, moreover, it is also possible to once complete multiple tested water valves Durability test effectively increases working efficiency.
In conjunction with Fig. 1 and Fig. 5 is referred to, the embodiment of the invention also provides the performance test methods of another test macro, answer For above-mentioned test macro, this method comprises:
401, multiple tested water valves are controlled and is in open state.
Wherein, before the performance test for carrying out tested water pump 20, multiple tested water valves 10 is controlled and are in open state, with Ensure that fluid smooth can circulate in the entire circuit of test macro, thus guarantee tested 20 performance test of water pump it is normal into Row.
402, one controlled in multiple tested water pumps is in the open state.
Specifically, the other end of the second main line 7 can be communicated with multiple third bye-passes 9 in the test macro;The Three pipelines may include third main line 13 and multiple 4th bye-passes 14 for being connected to 13 one end of third main line, third supervisor The other end on road 13 is connected to outlet 11;For connecting described in one between each third bye-pass 9 and each 4th bye-pass 14 Tested water pump 20 keeps multiple tested water pumps 20 in parallel;First pressure sensor 2 is set on third main line 13, that is to say, that In the test macro can multiple tested water pumps 20 in parallel, to realize the purpose being tested for the property to multiple tested water pumps 20, Further improve working efficiency.
When being parallel with multiple tested water pumps 20 in test macro, before the test begins, it can control multiple tested water pumps One in 20 is in the open state, meanwhile, other 20 place bye-passes of tested water pump can be made to be in lockup state and (specifically may be used To realize the lockup state by closing the valve being arranged on third bye-pass 9), that is to say, that tested water When pump 20 is tested for the property, only one in multiple tested water pumps 20 should be tested, to prevent tested water pump 20 Test data is influenced by other bye-pass flows or pressure, ensure that the accuracy of tested 20 test data of water pump.
403, it by the pressure regulator valve of the flow sensor and adjusting water tank 1 entrance 12 and outlet 11, is in Multiple and different flow values of the tested water pump of open state.
404, by the first pressure sensor and the second pressure sensor, obtain it is in the open state under institute State the pressure difference value of inlet and outlet of the tested water pump under each flow value;
Wherein, being tested water pump 20 can be non-adjustable fast water pump or adjustable speed water pump.If tested water pump 20 is adjustable speed water Pump, during adjustable speed testing water pump, need to test complete water pump duty ratio be 20%, 30%, 40%, 50%, 60%, 70%, 80%, the 90%, performance curve under 100% 9 kind of operating condition;Before test carries out, it is thus necessary to determine that every kind of duty ratio shape The peak flow values that water pump can reach under state, which is set to the test point 1 under the duty ratio state, further according to this Peak flow values under duty ratio state determine 6 test points (test point 1, test under the duty ratio including the test point Point 2, test point 3, test point 4, test point 5 and test point 6, wherein test point 1 is flow maximum, test point 6 be flow most Small value, as 0).Specific test process can be with are as follows:
Step 1: setting 20% for the duty ratio of tested water pump 20;
Step 2: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, is in the flow in test macro circuit most Big value, the flow value are the flow value of test point 1, and when determining that duty ratio is 20% state according to the flow value, remaining 5 surveys The flow value of pilot;
Step 3: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, makes test macro circuit flow test point 1 Flow value continue 10s after stability of flow, record first pressure sensor 2 and second pressure sensor 3 in test loop The pressure value at place;
Step 4: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, makes test macro circuit flow test point 2 Flow value continue 10s after stability of flow, record first pressure sensor 2 and second pressure sensor 3 in test loop The pressure value at place;
Step 5-step 8 concrete operation method is similar with step 3 or step 4, only by circuit test point 1 or Test point 2 is changed to the flow value of test point 3, test point 4, test point 5 and test point 6.
Step 9: the duty ratio of tested water pump 20 is set as 30%, repeats step after step 2~step 7 to be done Two-step 8;The specific testing procedure and duty that duty ratio is 40%, 50%, 60%, 70%, 80%, 90% and 100% It is similar than after being 20% 30%, after adjusting duty ratio, repeat the above steps.
It should be understood that adjustable speed water pump is when duty ratio is the state of 80%-100%, in test macro circuit The possible indifference of flow maximum, the minimum duty cycle state that testing experiment only needs to proceed in maximum stream flow indifference is i.e. It can.
If tested water pump 20 is adjustable speed water pump, specific test process can be with are as follows:
Step 1: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11, is in the flow in test macro circuit most Big value, flow value of the flow value as test point 1, and tested 20 performance curve measurement process of water pump is determined according to the flow value In required for remaining 5 test point flow value, wherein the flow value of minimum test point, that is, test point 6 be 0, this 6 test Point is labeled as test point 1- test point 6;
Step 2: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11 surveys the flow value in test macro circuit The flow value of pilot 1 continues 10s after stability of flow, records first pressure sensor 2 and second pressure in test loop and passes The 3 collected pressure value of institute of sensor;
Step 3: the pressure regulator valve at 1 entrance 12 of regulating tank and outlet 11 surveys the flow value in test macro circuit The flow value of pilot 2 continues 10s after stability of flow, records first pressure sensor 2 and second pressure in test loop and passes Pressure value at sensor 3;
Step 4-step 8 concrete operation method is similar with step 2 or step 3, only by test point 1 or test point 2 Flow value be changed to the flow value of test point 3, test point 4, test point 5 and test point 6, to obtain the 6 of tested water pump 20 A flow value, repeats the above steps.
405, according to the flow value and the pressure difference value, the flow-pressure differential curve of the tested water pump is obtained, so that Operator judges whether the performance of the tested water pump meets the requirements by the flow-pressure differential curve.
A kind of performance test methods provided in an embodiment of the present invention carry out performance survey to water pump using test macro above-mentioned Tested water pump, when testing, can be connected to the other end of third pipeline and the other end of the second main line by examination, will be more A tested water valve is connected between corresponding each first bye-pass and each second bye-pass, opens all tested water Valve, to guarantee that the water flow in pipeline is unimpeded, can by flow sensor, first pressure sensor and second pressure sensor into The performance test of the tested water pump of row.Technical solution provided in an embodiment of the present invention is realized using a test macro and is completed The purpose of the durability test of the performance test of water pump and water pump and water valve, reduces costs;Meanwhile also achieving tested water The purpose that the durability test of pump and tested water valve can carry out simultaneously, moreover, it is also possible to once complete multiple tested water valves Durability test effectively increases working efficiency.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (8)

1. a kind of test macro characterized by comprising
Water tank, the first pipeline, the second pipeline, third pipeline, first pressure sensor, second pressure sensor, flow sensor;
The water tank has outlet and entrance;
First pipeline includes the first main line and multiple first bye-passes for being connected to first main line one end, described The other end of first main line is connected to the entrance;
Second pipeline includes the second main line and multiple second bye-passes for being connected to second main line one end, each For connecting a tested water valve between first bye-pass and each second bye-pass, make multiple tested water valves simultaneously Connection;
One end of the third pipeline and the outlet, the other end of the third pipeline and second main line it is another One end is for connecting tested water pump;
The first pressure sensor is set on the third pipeline, and it is main that the second pressure sensor is set to described second On pipeline, the flow sensor is set on first main line;
Control unit, described control unit is continuously alternately opened and closed for controlling multiple tested water valves, and is made multiple At least one in the tested water valve is in the open state, and the control tested water pump continuously alternately opens and closes.
2. a kind of durability test method is used for test macro described in claim 1, which is characterized in that
It controls multiple tested water valves continuously alternately to open and close, and makes at least one in multiple tested water valves In open state;
The tested water pump is controlled continuously alternately to open and close;
Each tested water valve opening and closing number be equal to preset times when, detect its leakproofness whether meet it is default It is required that if its leakproofness meets preset requirement, then it represents that the tested water valve is qualified.
When the opening and closing time of the tested water pump being equal to the first preset time, detect whether its bearing can steadily turn Whether dynamic and its water seal leaks, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that the tested water Pump is qualified.
3. according to the method described in claim 2, it is characterized in that, the multiple tested water valves of control are continuously alternately opened And closing, and keep at least one in multiple tested water valves in the open state, comprising:
Each tested water valve is controlled continuously alternately to open the second preset time and close third preset time, and at least two One in the tested water valve postpones to open the 4th preset time relative to another;
Wherein, the third preset time is less than second preset time, and it is pre- that the 4th preset time is greater than the third If the time, the 4th preset time is less than second preset time.
4. according to the method described in claim 2, it is characterized in that, the other end of the second main line described in the test macro It is communicated with multiple third bye-passes;The third pipeline includes third main line and is connected to third main line one end more A 4th bye-pass, the other end and the outlet of the third main line;Each third bye-pass and each institute It states between the 4th bye-pass for connecting a tested water pump, keeps multiple tested water pumps in parallel;The first pressure passes Sensor is set on the third main line;
The control tested water pump continuously alternately opens and closes, comprising:
Each tested water pump is controlled continuously alternately to open and close;
Whether when the opening and closing time in the tested water pump is equal to the first preset time, detecting its bearing can be steady Whether rotation and its water seal leak, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that it is described tested Water pump is qualified, comprising:
Whether when the opening and closing time of each tested water pump being equal to the first preset time, detecting its bearing can be steady Whether rotation and its water seal leak, if the bearing energy smooth rotation, and the water seal No leakage, then it represents that it is described tested Water pump is qualified.
5. according to the method described in claim 2, it is characterized in that, the tested water pump is can not adjustable speed water pump;The control The tested water pump continuously alternately opens and closes, comprising:
The tested water pump is controlled continuously alternately to open the 5th preset time with rated speed and close the 6th preset time, until The total time of opening and closing is first preset time.
6. according to the method described in claim 2, it is characterized in that, the tested water pump is adjustable speed water pump;The control institute Tested water pump is stated continuously alternately to open and close, comprising:
First stage: the control tested water pump continuously alternately opens the 7th preset time with the first tachometer value and closing the 8th is pre- If the time;
Second stage: the control tested water pump continuously alternately opens the 9th preset time with the second tachometer value and closing the tenth is pre- If the time;
Wherein, the first stage and the second stage are described first pre- up to total time alternately alternately If the time.
7. a kind of performance test methods are used for test macro described in claim 1 characterized by comprising
It controls multiple tested water valves and is in open state;
By the pressure regulator valve of the flow sensor and the adjusting tank entry and outlet, the multiple of the tested water pump are obtained Different flow value;
By the first pressure sensor and the second pressure sensor, the tested water pump is obtained in each flow The pressure difference value of inlet and outlet under value;
According to the flow value and the pressure difference value, the flow-pressure differential curve of the tested water pump is obtained.
8. the method according to the description of claim 7 is characterized in that the other end of the second main line described in the test macro It is communicated with multiple third bye-passes;The third pipeline includes third main line and is connected to third main line one end more A 4th bye-pass, the other end and the outlet of the third main line;Each third bye-pass and each institute It states between the 4th bye-pass for connecting a tested water pump, keeps multiple tested water pumps in parallel;The first pressure passes Sensor is set on the third main line;
The pressure regulator valve by the flow sensor and the adjusting tank entry and outlet, obtains the tested water pump Before multiple and different flow values, the method also includes:
One controlled in multiple tested water pumps is in the open state;
The pressure regulator valve by the flow sensor and the adjusting tank entry and outlet, obtains the tested water pump Multiple and different flow values, comprising:
By the flow sensor and the pressure regulator valve of the tank entry and outlet is adjusted, is obtained in the open state described Multiple and different flow values of tested water pump;
It is described by the first pressure sensor and the second pressure sensor, obtain the tested water pump each described The pressure difference value of inlet and outlet under flow value, comprising:
By the first pressure sensor and the second pressure sensor, the tested water pump in the open state is obtained The pressure difference value of inlet and outlet under each flow value.
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CN110886705B (en) * 2018-09-11 2021-04-16 宁波方太厨具有限公司 Method for testing water pumping performance of water pump of steam box
CN111811798A (en) * 2020-06-30 2020-10-23 徐州晶睿半导体装备科技有限公司 Waterway detection system and waterway detection method
CN112664441A (en) * 2020-12-09 2021-04-16 江苏大学镇江流体工程装备技术研究院 Multifunctional water pump test board

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Denomination of invention: Test system, durability test method and performance test method

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