CN208982305U - Cavitation experiment device for water pump - Google Patents
Cavitation experiment device for water pump Download PDFInfo
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- CN208982305U CN208982305U CN201821785074.0U CN201821785074U CN208982305U CN 208982305 U CN208982305 U CN 208982305U CN 201821785074 U CN201821785074 U CN 201821785074U CN 208982305 U CN208982305 U CN 208982305U
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- pressure
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Abstract
This application discloses a kind of cavitation experiment devices for water pump, are related to pump test equipment.Cavitation experiment device, comprising: cavitation pot, vacuum pump survey vacuum pressure transmitter, motor, import survey pressure branch, outlet survey pressure branch, soft-start cabinet, electrical parameter measuring instrument, speed probe, temperature transmitter and data collection system.Wherein, data collection system is configured to the various data needed for test of the acquisition by pump testing in the case where judging to be stablized by the test data of pump testing.The application keeps experimental rig constant pressure using frequency conversion vacuum pump, to reduce cavitation experiment installation cost.The application surveys pressure branch flow automatic regulation through import by data collection system, and it is long to reduce the test operation time, improves working efficiency.Various data needed for acquiring test in the case where judging data stabilization by data collection system, can be improved the stability of data, further increase test efficiency.
Description
Technical field
This application involves parallel water pump fields, more particularly to a kind of cavitation experiment device for water pump.
Background technique
With the fast development of China's manufacturing industry, water pump industry has also obtained significant progress.Water pump manufacturing industry from without to
Have, from small to large, from easy small pump is produced, to powerful water pump is produced, is careless about efficiency from the past, production is high till now
The water pump of efficiency.It is largely to detect whether to reach by testing stand from manufacture is designed into due to pumping this product
The purpose of design, so water pump producer all be unable to do without test installation of pump during designing and manufacturing.
And cavitation experiment is a very important test in testing water pump.Guarantee that water pump can work normally, no
The net positive suction head and the maximum pressure sucted under vacuum state that cavitation phenomenons occur are called critical NPSH and allow to suct true
Pressure under dummy status.And the purpose of cavitation experiment is exactly to find out the critical NPSH of water pump and allow to suct under vacuum state
Pressure.Currently, water pump manufactory all selects closed loop test-bed to carry out cavitation experiment.Closed loop test-bed is using change cavitation pot
The method of pressure value on the middle water surface, i.e. vacuumizing method, to reach the pressure value changed at pump intake measurement section.In order to reach
The state of negative pressure is kept, whole system includes that the requirements such as valve are sealings, therefore cost is high.
Utility model content
Aiming to overcome that the above problem or at least being partially solved or extenuate for the application solves the above problems.
This application provides a kind of cavitation experiment device for water pump, for finding out by the critical NPSH of pump testing and
Allow to suct the pressure under vacuum state, comprising:
Cavitation pot, for storing test water；
Vacuum pump is connected with the cavitation pot, for vacuumizing for the cavitation pot；
Vacuum pressure transmitter is surveyed, is mounted at the cavitation pot, for detecting the pressure under the cavitation pot vacuum state
Power；
Motor provides power by pump testing to be described for being connect with described by pump testing；
Pressure branch is surveyed in import, and one end is connected to the cavitation pot, and the other end is used for for connecting the entrance by pump testing
The water of the cavitation pot is delivered to described by pump testing, for being connected to or blocking the water of the cavitation pot, is also used to test described
By the inlet pressure of pump testing；
Pressure branch is surveyed in outlet, and one end is connected to the cavitation pot, and the other end is used for for connecting the outlet by pump testing
The water being discharged by pump testing is delivered to the cavitation pot, it is described for adjusting the flow by pump testing, and for measuring
By the outlet pressure of pump testing；
Soft-start cabinet is connect with the motor, for motor described in soft start；
Electrical parameter measuring instrument is connect with the motor, be configured to measure the voltage of the motor, electric current, power and
Supply frequency；
Speed probe is mounted at the motor, for measuring the revolving speed of the motor；
Temperature transmitter is installed in the cavitation pot, for measuring water temperature；With
Data collection system surveys pressure branch with the vacuum pump, the import, pressure branch is surveyed in the outlet, the electricity is joined
Number measuring instrument, the speed probe, the survey vacuum pressure transmitter and the temperature transmitter are connected, and are configured to judging
The test data by pump testing acquires various data needed for the test by pump testing in the case where stablizing.
Optionally, the import survey pressure branch includes:
Import pressure-measuring pipe, one end are connected to the cavitation pot, and for the other end for connecting the entrance by pump testing, being used for will
The water of the cavitation pot is delivered to described by pump testing；
Import gate valve is mounted at the import pressure-measuring pipe, for being connected to or blocking the water of the cavitation pot；With
Inlet pressure transmitter is mounted at the import pressure-measuring pipe, for measuring the inlet pressure by pump testing.
Optionally, the import gate valve and the inlet pressure transmitter are pacified according to described by the water inlet direction sequence of pump testing
At the import pressure-measuring pipe.
Optionally, the outlet survey pressure branch includes:
Pressure-measuring pipe is exported, one end is connected to the cavitation pot, and for the other end for connecting the outlet by pump testing, being used for will
The water being discharged by pump testing is delivered to the cavitation pot,
Electric control valve is mounted at the outlet pressure-measuring pipe, for adjusting flow；
Electromagnetic flowmeter is mounted at the outlet pressure-measuring pipe, is used for measuring flow；With
Outlet pressure transmitter is mounted at the outlet pressure-measuring pipe, for measuring the outlet pressure by pump testing.
Optionally, the outlet pressure transmitter, the electromagnetic flowmeter and the electric control valve are according to the subject
The drainage direction sequence of pump is mounted at the outlet pressure-measuring pipe.
Optionally, it includes the import gate valve and inlet pressure of import pressure-measuring pipe and installation at which that pressure branch is surveyed in the import
Transmitter；
The outlet surveys pressure branch and includes the electric control valve exported pressure-measuring pipe and installation at which, electromagnetic flowmeter and go out
Mouth pressure transmitter；
The data collection system includes:
PLC controller, with the electric control valve, the electromagnetic flowmeter, the outlet pressure transmitter, the import
Gate valve, the inlet pressure transmitter, the vacuum pump, the survey vacuum pressure transmitter and temperature transmitter connection,
It is configured to control the flow for opening or closing and adjusting the electric control valve of the electric control valve, the import gate valve,
It is configured to receive the flow, the outlet pressure, the inlet pressure, the pressure under the vacuum state and the institute of measurement
State the value of water temperature；With
Host computer is connected with the electrical parameter measuring instrument, the speed probe and the PLC controller, is configured to adopt
Collect voltage, the electric current, power, supply frequency, revolving speed, flow, outlet pressure, inlet pressure, vacuum shape stablized under data status
The value of pressure and water temperature under state；
Wherein, the electrical parameter measuring instrument, the speed probe and the PLC controller pass through corresponding communication and connect
Mouth is connected with the host computer, to transmit data.
Optionally, each communication interface is 485 interfaces.
Optionally, the cavitation experiment device, further includes test platform, for described by pump testing and the motor
Installation foundation.
The cavitation experiment device for water pump of the application keeps experimental rig constant pressure using frequency conversion vacuum pump, even if
In the case that all kinds of valves do not do encapsulation process, experimental rig can also be made to keep constant pressure, will not influence the detection effect of experimental rig
Fruit, therefore the application can reduce cavitation experiment installation cost.
In addition, the application surveys pressure branch flow automatic regulation through import by data collection system, since the application is not necessarily to
Valve regulated worker manually adjusts gate valve, therefore it is long using the application can to reduce the test operation time, improves working efficiency.This
Application is acquired by data collection system in the case where judging to be stablized by the test data of pump testing needed for the test by pump testing
Various data are used since the application judges whether flow is stable according to experience naked eyes without data collector
The application can be improved the stability of data, additionally it is possible to further increase test efficiency.
According to the accompanying drawings to the detailed description of the specific embodiment of the application, those skilled in the art will be more
Above-mentioned and other purposes, the advantages and features of the application are illustrated.
Detailed description of the invention
Some specific embodiments of the application are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic installation diagram according to the cavitation experiment device for water pump of the application one embodiment；
Fig. 2 is the schematic diagram of the data collection system in Fig. 1.
Each symbol indicates that meaning is as follows in figure:
100 cavitation experiment devices,
1 vacuum pump, 2 cavitation pots, 3 import gate valves, 4 import pressure-measuring pipes, 5 temperature transmitters, 6 survey vacuum pressure transmitters, 7
Pressure is surveyed in electric control valve, 8 electromagnetic flowmeters, 9 soft-start cabinets, 10 electrical parameter measuring instruments, 11 outlet pressure transmitters, 12 outlets
Pipe, 13 inlet pressure transmitters, 14 by pump testing, 15 speed probes, 16 motor, 17 test platforms, eighteen data acquisition system,
19PLC controller, 20 host computers.
Pressure branch is surveyed in A import, and B surveys outlet pressure branch.
Specific embodiment
Fig. 1 is the schematic installation diagram according to the cavitation experiment device for water pump of the application one embodiment.
Fig. 2 is the schematic diagram of the data collection system in Fig. 1.A kind of cavitation experiment device 100 for water pump,
For detecting by the performance of pump testing 14, it generally may include: cavitation pot 2, vacuum pump 1, survey vacuum pressure transmitter 6, motor
16, pressure branch A is surveyed in import, pressure branch B, soft-start cabinet 9, electrical parameter measuring instrument 10, speed probe 15, temperature pick-up are surveyed in outlet
Device 5 and data collection system 18.Wherein, cavitation pot 2 is for storing test water.Vacuum pump 1 is connected with the cavitation pot, is used for
It is vacuumized for the cavitation pot.It surveys vacuum pressure transmitter 6 to be mounted at the cavitation pot, for detecting the cavitation pot vacuum
Pressure under state.Motor 16 provides power by pump testing 14 for being connect with described by pump testing 14, to be described.Pressure branch is surveyed in import
One end of road A is connected to the cavitation pot 2, and the other end is used for for connecting the entrance by pump testing 14 by the cavitation pot 2
Water be delivered to described by pump testing 14, for being connected to or block the water of the cavitation pot 2, be also used to test described by pump testing 14
Inlet pressure.One end that pressure branch B is surveyed in outlet is connected to the cavitation pot 2, and the other end is used to connect the going out by pump testing 14
Mouthful, for the water being discharged by pump testing 14 to be delivered to the cavitation pot 2, for adjusting the flow by pump testing 14, and
For measuring the outlet pressure by pump testing 14.Soft-start cabinet 9 is connect with the motor 16, for electronic described in soft start
Machine 16.Electrical parameter measuring instrument 10 is connect with the motor 16, is configured to measure voltage, electric current, the power of the motor 16
And supply frequency.Speed probe 15 is mounted at the motor 16, for measuring the revolving speed of the motor 16.Temperature becomes
Device 5 is sent to be installed in the cavitation pot 2, for measuring water temperature.Data collection system 18 and the vacuum pump 1, the import are surveyed
Branch A, the outlet is pressed to survey pressure branch B, the electrical parameter measuring instrument 10, the speed probe 15, the survey vacuum pressure
Transmitter 6 and the temperature transmitter 5 are connected, and are configured to adopt in the case where judging that the test data by pump testing 14 is stablized
Collect the data various needed for the test of pump testing 14.
The cavitation experiment device 100 of the application is closed system.Closed system refers to that the entire circulatory system is closing.Test
When, pressure branch A, outlet survey pressure branch B are surveyed into import and is connect with by pump testing 14, will be connect by pump testing 14 with motor 16, it is electronic
Machine 16 is connect with soft-start cabinet 9.The pump test software in data collection system 18 is opened, is started by the test of pump testing 14.It is logical
After crossing " test starting " button of click data acquisition system 18, data collection system 18 controls the work that pressure branch A is surveyed in import,
The flow for first adjusting import gate valve 3 reaches predetermined value, makes to survey a little negative pressure of vacuum meter appearance, in the vacuum control for closing vacuum pump 1
In the case where valve processed, it is whether stable that the data tested by pump testing 14 are judged automatically by data collection system 18, if data are
The requirement for stablizing and meeting pump test standard makes its work, record flow, power, pressure, vacuum degree and water temperature.Then
Vacuum pump 1 is opened, vacuum degree is gradually increased, after reaching predetermined value, in the vacuum control valve for closing vacuum pump 1, above-mentioned finger
Mark is recorded.It so goes on doing, until complete cavitation.
The cavitation experiment device 100 for water pump of the application keeps experimental rig constant pressure using frequency conversion vacuum pump, even if
In the case where all kinds of valves do not do encapsulation process, it so that experimental rig is kept constant pressure, will not influence the detection of experimental rig
Effect, therefore the application can reduce cavitation experiment installation cost.
The cavitation experiment device 100 for water pump of the application surveys pressure branch A certainly through import by data collection system 18
It is dynamic to adjust flow, since the application manually adjusts gate valve without valve regulated worker, test can be reduced using the application
Operating time is long, improves working efficiency.The application is judging to be stablized by the test data of pump testing 14 by data collection system 18
In the case where acquire the various data needed for the test of pump testing 14, due to the application without data collector according to itself pass through
It tests naked eyes judge whether flow is stable, therefore can be improved the stability of data using the application, additionally it is possible to further increase examination
Test efficiency.
Specifically, in the present embodiment, the import survey pressure branch A may include: import pressure-measuring pipe 4, import gate valve 3 and into
Mouth pressure transmitter 13.One end of import pressure-measuring pipe 4 is connected to the cavitation pot 2, and the other end is described by pump testing 14 for connecting
Entrance, it is described by pump testing 14 for the water of the cavitation pot 2 to be delivered to.Import gate valve 3 is mounted on the import pressure-measuring pipe 4
Place, for being connected to or blocking the water of the cavitation pot 2.Inlet pressure transmitter 13 is mounted at the import pressure-measuring pipe 4, is used for
Measure the inlet pressure by pump testing 14.
More specifically, import pressure-measuring pipe 4 is the pipeline of horizontal direction arrangement, one end is connected to the side wall of cavitation pot 2, the other end
Connection is by the entrance of pump testing 14.It is the opening of horizontal direction by the entrance of pump testing 14 in this example.
Specifically, in the present embodiment, the import gate valve 3 and the inlet pressure transmitter 13 are according to described by pump testing 14
Water inlet direction sequence be mounted at the import pressure-measuring pipe 4.Preferably, the inlet pressure transmitter 13 is close to the subject
The entrance arrangement of pump 14.
Specifically, in the present embodiment, the outlet survey pressure branch B may include outlet pressure-measuring pipe 12, electric control valve 7,
Electromagnetic flowmeter 8 and outlet pressure transmitter 11.One end of outlet pressure-measuring pipe 12 is connected to the cavitation pot 2, and the other end is used for
The outlet by pump testing 14 is connected, for the water being discharged by pump testing 14 to be delivered to the cavitation pot 2.Electric control valve
7 are mounted at the outlet pressure-measuring pipe 12 for adjusting flow.Electromagnetic flowmeter 8 is mounted at the outlet pressure-measuring pipe 12, is used
In measuring flow.Outlet pressure transmitter 11 is mounted at the outlet pressure-measuring pipe 12, for measuring the going out by pump testing 14
Mouth pressure.
Specifically, in the present embodiment, the outlet pressure transmitter 11, the electromagnetic flowmeter 8 and the motorized adjustment
Valve 7 is mounted at the outlet pressure-measuring pipe 12 according to described by the drainage direction sequence of pump testing 14.
More specifically, the outlet by pump testing 14 is arranged in vertical.It is integrally in be inverted that pressure branch B is surveyed in the outlet
It is U-shaped.The outlet pressure-measuring pipe 12 surveys pressure by vertical outlet pressure-measuring pipe, 90 degree of elbows, horizontal outlet along water flowing direction
Pipe composition.It may include 90 degree of elbows and return pipe that pressure branch B is surveyed in the outlet, the outlet pressure-measuring pipe 12 and 90 degree of elbows and
Return pipe is connected.
More specifically, the outlet pressure transmitter 11 is arranged at vertical outlet pressure-measuring pipe and close to described by pump testing
14 outlet arrangement.The electromagnetic flowmeter 8 and the electric control valve 7 are arranged at horizontal outlet pressure-measuring pipe.
Specifically, in the present embodiment, as shown in Fig. 2, the data collection system 18 may include PLC controller 19 and upper
Position machine 20.Wherein, PLC controller 19 and the electric control valve 7, the electromagnetic flowmeter 8, the outlet pressure transmitter
11, the import gate valve 3, vacuum pump 1, the survey vacuum pressure transmitter 6 described in the inlet pressure transmitter 13 and described
Temperature transmitter 5 connects, and is configured to control described in the electric control valve 7, the opening or closing and adjust of the import gate valve 3
The flow of electric control valve 7 is configured to receive the flow of the measurement, outlet pressure, the inlet pressure, described true
The value of pressure and the water temperature under dummy status.Host computer 20 and the electrical parameter measuring instrument 10, the speed probe 15 and
The PLC controller 19 is connected, and is configured to acquire voltage, electric current, power, supply frequency, revolving speed, stream under stable data status
The value of pressure and water temperature under amount, outlet pressure, inlet pressure, vacuum state.The electrical parameter measuring instrument 10, the revolving speed pass
Sensor 15 and the PLC controller 19 are connected by corresponding communication interface with the host computer 20, to transmit data.
In the present embodiment, each communication interface is 485 communication interfaces.
Specifically, in the present embodiment, the cavitation experiment device 100 further includes test platform 17, is used for the subject
The installation foundation of pump 14 and the motor 16.
The course of work of cavitation experiment device 100 for water pump:
Being mounted on test platform 17 by pump testing 14, pressure branch A is surveyed into import and is connect with by the entrance of pump testing 14, will be gone out
Mouth is surveyed pressure branch B and is connect with by the outlet of pump testing 14.It will be connect by pump testing 14 with motor 16, by motor 16 and soft-start cabinet
9 connections.Wherein, there are vacuum pump 1 and electric control valve 7 by need to adjust during the test of pump testing 14, other data only need
Read the data of instrument and meter.
The pump test software of data collection system 18 is opened, starts to be tested by pump testing 14, the at this moment " import of Testing Software
Pressure " is measured by inlet pressure transmitter 13, and " outlet pressure " is measured by outlet pressure transmitter 11, and " flow " is by Electromagnetic Flow
8 measurement of meter, " pressure under cavitation pot vacuum state " is measured by survey vacuum pressure transmitter 6, and " water temperature " is surveyed by temperature transmitter 5
Amount, " motor speed " is measured by speed probe 15, " voltage " of motor 16, " electric current ", " power " " supply frequency " ginseng
Number is measured by electrical parameter measuring instrument 10.Pressure, flow, temperature under inlet pressure, outlet pressure, vacuum state are 4-20mA letters
Number, it is input in the PLC controller 19 of data collection system 18.Voltage, electric current, power, supply frequency and revolving speed are by 485
Interface and the host computer of data collection system 18 20 communicate.
Import gate valve 3 is opened, the water of cavitation pot 2 is poured water by import pressure-measuring pipe 4 to by pump testing 14, and soft-start cabinet 9 is clicked
Start button, motor 16 it is electric, run by pump testing 14.
After " test starting " button of click data acquisition system 18,19 automatic control and adjustment import gate valve 3 of PLC controller
Flow reach predetermined value, make to survey vacuum meter and a little negative pressure occur, make to survey vacuum meter and a little negative pressure occur, closing vacuum pump 1
Vacuum control valve in the case where, whether host computer 20 judges automatically the data tested by pump testing 14 stable, makes its work, records
Flow, power, pressure, vacuum degree and water temperature.It is then turned on vacuum pump 1, vacuum degree is gradually increased, after reaching predetermined value,
The vacuum control valve for closing vacuum pump 1, records These parameters.It so goes on doing, until complete cavitation.
The preferable specific embodiment of the above, only the application, but the protection scope of the application is not limited thereto,
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by anyone skilled in the art,
Should all it cover within the scope of protection of this application.Therefore, the protection scope of the application should be with scope of protection of the claims
Subject to.
Claims (8)
1. a kind of cavitation experiment device for water pump, for finding out by the critical NPSH of pump testing and allowing to suct vacuum shape
Pressure under state characterized by comprising
Cavitation pot, for storing test water；
Vacuum pump is connected with the cavitation pot, for vacuumizing for the cavitation pot；
Vacuum pressure transmitter is surveyed, is mounted at the cavitation pot, for detecting the pressure under the cavitation pot vacuum state；
Motor provides power by pump testing to be described for being connect with described by pump testing；
Pressure branch is surveyed in import, and one end is connected to the cavitation pot, and the other end is used for for connecting the entrance by pump testing by institute
The water for stating cavitation pot, which is delivered to, described is also used to test the subject for being connected to or blocking the water of the cavitation pot by pump testing
The inlet pressure of pump；
Pressure branch is surveyed in outlet, and one end is connected to the cavitation pot, and the other end is used for for connecting the outlet by pump testing by institute
It states and the cavitation pot is delivered to by the water that pump testing is discharged, for adjusting the flow by pump testing, and for measuring the subject
The outlet pressure of pump；
Soft-start cabinet is connect with the motor, for motor described in soft start；
Electrical parameter measuring instrument is connect with the motor, is configured to measure voltage, electric current, power and the power supply of the motor
Frequency；
Speed probe is mounted at the motor, for measuring the revolving speed of the motor；
Temperature transmitter is installed in the cavitation pot, for measuring water temperature；With
Data collection system surveys pressure branch with the vacuum pump, the import, pressure branch is surveyed in the outlet, the electrical parameter is surveyed
It is connected to measure instrument, the speed probe, the surveys vacuum pressure transmitter and the temperature transmitter, is configured to described in the judgement
Various data needed for the test by pump testing are acquired in the case where being stablized by the test data of pump testing.
2. cavitation experiment device according to claim 1, which is characterized in that the import surveys pressure branch and includes:
Import pressure-measuring pipe, one end are connected to the cavitation pot, and for the other end for connecting the entrance by pump testing, being used for will be described
The water of cavitation pot is delivered to described by pump testing；
Import gate valve is mounted at the import pressure-measuring pipe, for being connected to or blocking the water of the cavitation pot；With
Inlet pressure transmitter is mounted at the import pressure-measuring pipe, for measuring the inlet pressure by pump testing.
3. cavitation experiment device according to claim 2, which is characterized in that the import gate valve and the inlet pressure become
Device is sent to be mounted at the import pressure-measuring pipe according to described by the water inlet direction sequence of pump testing.
4. cavitation experiment device according to claim 1, which is characterized in that the outlet surveys pressure branch and includes:
Pressure-measuring pipe is exported, one end is connected to the cavitation pot, and for the other end for connecting the outlet by pump testing, being used for will be described
The cavitation pot is delivered to by the water that pump testing is discharged,
Electric control valve is mounted at the outlet pressure-measuring pipe, for adjusting flow；
Electromagnetic flowmeter is mounted at the outlet pressure-measuring pipe, is used for measuring flow；With
Outlet pressure transmitter is mounted at the outlet pressure-measuring pipe, for measuring the outlet pressure by pump testing.
5. cavitation experiment device according to claim 4, which is characterized in that the outlet pressure transmitter, the electromagnetism
Flowmeter and the electric control valve are mounted at the outlet pressure-measuring pipe according to described by the drainage direction sequence of pump testing.
6. cavitation experiment device according to claim 1, which is characterized in that it includes that pressure is surveyed in import that pressure branch is surveyed in the import
The import gate valve and inlet pressure transmitter of pipe and installation at which；
It includes the electric control valve exported pressure-measuring pipe and installation at which, electromagnetic flowmeter and outlet pressure that pressure branch is surveyed in the outlet
Power transmitter；
The data collection system includes:
PLC controller, with the electric control valve, the electromagnetic flowmeter, the outlet pressure transmitter, the import lock
Valve, the inlet pressure transmitter, the vacuum pump, the survey vacuum pressure transmitter and temperature transmitter connection, match
It is set to the flow for opening or closing and adjusting the electric control valve for controlling the electric control valve, the import gate valve, also
It is configured to receive the flow, the outlet pressure, the inlet pressure, the pressure under the vacuum state and described of measurement
The value of water temperature；With
Host computer is connected with the electrical parameter measuring instrument, the speed probe and the PLC controller, and it is steady to be configured to acquisition
Determine under voltage under data status, electric current, power, supply frequency, revolving speed, flow, outlet pressure, inlet pressure, vacuum state
Pressure and water temperature value；
Wherein, the electrical parameter measuring instrument, the speed probe and the PLC controller pass through corresponding communication interface with
The host computer is connected, to transmit data.
7. cavitation experiment device according to claim 6, which is characterized in that each communication interface is 485 interfaces.
8. cavitation experiment device described in any one of -7 according to claim 1, which is characterized in that further include test platform, use
In described by pump testing and the installation foundation of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785074.0U CN208982305U (en) | 2018-10-31 | 2018-10-31 | Cavitation experiment device for water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785074.0U CN208982305U (en) | 2018-10-31 | 2018-10-31 | Cavitation experiment device for water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982305U true CN208982305U (en) | 2019-06-14 |
Family
ID=66789943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821785074.0U Expired - Fee Related CN208982305U (en) | 2018-10-31 | 2018-10-31 | Cavitation experiment device for water pump |
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| Country | Link |
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| CN (1) | CN208982305U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255703A (en) * | 2020-03-17 | 2020-06-09 | 江苏大学镇江流体工程装备技术研究院 | Sealed water tank for cavitation test of submersible axial-flow pump and cavitation test device applying sealed water tank |
| CN112727784A (en) * | 2021-01-12 | 2021-04-30 | 江苏大学 | Axial flow pump blade top cavitation vortex dynamic characteristic identification test device and method |
| CN113027800A (en) * | 2021-03-19 | 2021-06-25 | 浙江尔格科技股份有限公司 | Air pump impeller overspeed test platform and test method adopting SF6 gas medium |
| CN114876822A (en) * | 2022-06-01 | 2022-08-09 | 江苏大学 | Centrifugal pump gas injection cavitation performance testing system and testing method capable of achieving uniform gas filling |
-
2018
- 2018-10-31 CN CN201821785074.0U patent/CN208982305U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255703A (en) * | 2020-03-17 | 2020-06-09 | 江苏大学镇江流体工程装备技术研究院 | Sealed water tank for cavitation test of submersible axial-flow pump and cavitation test device applying sealed water tank |
| CN112727784A (en) * | 2021-01-12 | 2021-04-30 | 江苏大学 | Axial flow pump blade top cavitation vortex dynamic characteristic identification test device and method |
| CN113027800A (en) * | 2021-03-19 | 2021-06-25 | 浙江尔格科技股份有限公司 | Air pump impeller overspeed test platform and test method adopting SF6 gas medium |
| CN114876822A (en) * | 2022-06-01 | 2022-08-09 | 江苏大学 | Centrifugal pump gas injection cavitation performance testing system and testing method capable of achieving uniform gas filling |
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