CN215444362U - Fluid performance test platform - Google Patents
Fluid performance test platform Download PDFInfo
- Publication number
- CN215444362U CN215444362U CN202121768155.1U CN202121768155U CN215444362U CN 215444362 U CN215444362 U CN 215444362U CN 202121768155 U CN202121768155 U CN 202121768155U CN 215444362 U CN215444362 U CN 215444362U
- Authority
- CN
- China
- Prior art keywords
- variable frequency
- frequency pump
- pressure gauge
- electric valve
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of water pumps, and particularly relates to a fluid performance test platform. A fluid performance testing platform comprises a simulation module and an external interface, wherein the simulation module comprises a variable frequency pump, an electric valve, a pressure gauge and a flow meter, the external interface comprises a manual valve, the electric valve is connected with the water outlet side of the variable frequency pump, the flow meter is connected with the electric valve, the pressure gauge is respectively arranged on the water inlet side and the water outlet side of the variable frequency pump, and the manual valve is arranged between the pressure gauge and the flow meter and is connected with the water inlet side of the variable frequency pump. The device has a simple structure, and can determine the rotating speed of the variable frequency pump and the opening degree of the electric valve so as to realize the matching of the performance of any centrifugal pump.
Description
Technical Field
The utility model belongs to the technical field of water pumps, and particularly relates to a fluid performance test platform.
Background
The fluid performance test bench needs to simulate the actual working state of a water pump in an engine cooling system and test the flow distribution and pressure of each channel. It must be possible to match the performance requirements of a particular water pump, otherwise the flow and pressure data are inaccurate when the system flow resistance changes. The traditional method is to replace the water pump of the equipment and manufacture a water pump sample piece and a tool, which is labor-consuming and time-consuming.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a fluid performance test platform to solve the problem of how to determine the rotating speed of a variable frequency pump and the opening degree of an electric valve to realize the matching of the performance of any centrifugal pump.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a fluid performance testing platform comprises a simulation module and an external interface, wherein the simulation module comprises a variable frequency pump, an electric valve, a pressure gauge and a flow meter, the external interface comprises a manual valve, the electric valve is connected with the water outlet side of the variable frequency pump, the flow meter is connected with the electric valve, the pressure gauge is respectively arranged on the water inlet side and the water outlet side of the variable frequency pump, and the manual valve is arranged between the pressure gauge and the flow meter and is connected with the water inlet side of the variable frequency pump.
Furthermore, the number of the pressure gauges is two, the pressure gauges comprise a first pressure gauge and a second pressure gauge, the first pressure gauge is arranged between the flow meter and the electric valve, and the second pressure gauge is arranged on the water inlet side of the variable frequency pump.
Furthermore, the frequency converter is an adjustable-speed variable-frequency pump.
Further, the electric valve is an opening-adjustable electric valve.
Further, the manual valve is a flow resistance adjustable manual valve.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a fluid performance test platform, which comprises a variable frequency pump with adjustable rotating speed, an electric valve with adjustable opening degree, a flow meter, a manual valve with adjustable flow resistance and two pressure gauges which are arranged for observing pressure difference.
The utility model can simulate the working state of the water pump in the actual operation process, further test the flow and the pressure in different states, and does not need to replace the water pump and manufacture samples, thereby reducing the labor consumption and improving the working efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1: the structure of embodiment 1 of the utility model is schematically shown;
FIG. 2: the water pump performance curve diagram of embodiment 1 of the utility model;
FIG. 3: the rotating speed differential pressure curve diagram of the embodiment 1 of the utility model;
FIG. 4: the flow pressure difference curve of the embodiment 1 of the utility model;
FIG. 5: a curve intersection diagram of embodiment 1 of the present invention;
the system comprises a variable frequency pump 1, an electric valve 2, a first pressure gauge 3, a second pressure gauge 4, a flow meter 5 and a manual valve 6.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example 1
As shown in fig. 1, a fluid performance testing platform comprises a simulation module and an external interface, wherein the simulation module comprises a variable frequency pump 1, an electric valve 2, a pressure gauge and a flow meter 5, the external interface comprises a manual valve 6, the electric valve 2 is connected with the water outlet side of the variable frequency pump 1, the flow meter 5 is connected with the electric valve 2, the pressure gauge is respectively arranged on the water outlet side and the water inlet side of the variable frequency pump 1, and the manual valve 6 is arranged between the pressure gauge and the flow meter 5 and is connected with the water inlet side of the variable frequency pump 1.
The number of pressure gauge is two, the pressure gauge includes first pressure gauge 3 and second pressure gauge 4, first pressure gauge 3 sets up flowmeter 5 with between the motorised valve 2, second pressure gauge 4 sets up 1 intake side of inverter pump. Two pressure gauges are arranged on two sides of the variable frequency pump 1, and the change condition of the pressure difference during the test can be obtained by observing the data of the two pressure gauges and calculating the difference value of the two pressure gauges.
The frequency converter 1 is a variable frequency pump with adjustable rotating speed.
The electric valve 2 is an opening-adjustable electric valve.
The manual valve 6 is an adjustable flow resistance manual valve.
The utility model sets a variable frequency pump 1 with adjustable rotating speed to adjust the rotating speed required in the test, an electric valve 2 with adjustable opening degree is used for controlling the opening degree to adjust the flow rate, and a flowmeter 5 is used for collecting the flow rate data. Then, a first pressure gauge 3 is arranged between the flow meter 5 and the electric valve 2, and a second pressure gauge 4 is arranged between the variable-frequency pump 1 and the manual valve 6 for observing the pressure difference. The external interface is controlled to open and close by a manual valve 6 with adjustable flow resistance. The performance of any centrifugal pump can be matched by observing the rotating speed of the variable frequency pump 1 and the opening degree of the electric valve 2 during the test.
The working principle is as follows:
s1, the performance curve of the centrifugal water pump shown in fig. 2 is the target curve.
S2, the external interface is closed, namely the manual valve 6 is completely closed, the rotating speed n of the variable frequency pump 1 is adjusted to obtain a relation curve of the rotating speed of the variable frequency pump 1 and the pressure difference delta P, as shown in figure 3, it can be observed that when the flow is 0, the pressure difference is only related to the rotating speed of the variable frequency pump 1, and the rotating speed of the variable frequency pump 1 corresponds to the pressure difference one by one.
S3, adjusting the manual valve 6 to an opening K1, wherein the external flow resistance is fixed, and adjusting the rotating speed n of the variable frequency pump 1 or the opening K of the electric valve 2 can obtain a complete flow-pressure differential resistance curve, as shown in figure 4.
S4, finding out the pressure difference delta P when the flow is 0 through a known water pump performance curve chart, namely figure 1, and determining the rotating speed n of the variable frequency pump 1 through the curve of figure 3.
S5, comparing the curves of fig. 2 and 4, the intersection M (Q, P) of the two curves can be obtained, as shown in fig. 5.
And S6, setting the variable frequency pump 1 according to the rotating speed n determined in the S4, adjusting the opening K of the electric valve 2, and adjusting the system flow and the differential pressure to M (Q, P), wherein the opening K of the electric valve 2 is a required target, and the opening of the manual valve 6 must be consistent with the opening K1 in the S3 so as to keep the external flow resistance fixed.
And S7, the centrifugal water pump with the performance curve as shown in the figure 2 can be simulated through the rotating speed n of the variable frequency pump 1 and the opening K of the electric valve 2 determined in S4 and S6.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The fluid performance testing platform is characterized by comprising a simulation module and an external interface, wherein the simulation module comprises a variable frequency pump, an electric valve, a pressure gauge and a flow meter, the external interface comprises a manual valve, the electric valve is connected with the water outlet side of the variable frequency pump, the flow meter is connected with the electric valve, the pressure gauge is respectively arranged on the water inlet side and the water outlet side of the variable frequency pump, and the manual valve is arranged between the pressure gauge and the flow meter and is connected with the water inlet side of the variable frequency pump.
2. The fluid performance testing platform of claim 1, wherein the number of the pressure gauges is two, the pressure gauges include a first pressure gauge and a second pressure gauge, the first pressure gauge is arranged between the flow meter and the electric valve, and the second pressure gauge is arranged on the water inlet side of the variable frequency pump.
3. The fluid performance testing platform of claim 1, wherein the variable frequency pump is an adjustable speed variable frequency pump.
4. A fluid performance testing platform according to claim 3, wherein said electrically operated valve is an adjustable opening electrically operated valve.
5. The fluid performance testing platform of claim 1, wherein the manual valve is an adjustable flow resistance manual valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121768155.1U CN215444362U (en) | 2021-07-31 | 2021-07-31 | Fluid performance test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121768155.1U CN215444362U (en) | 2021-07-31 | 2021-07-31 | Fluid performance test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215444362U true CN215444362U (en) | 2022-01-07 |
Family
ID=79685911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121768155.1U Active CN215444362U (en) | 2021-07-31 | 2021-07-31 | Fluid performance test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215444362U (en) |
-
2021
- 2021-07-31 CN CN202121768155.1U patent/CN215444362U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106979162B (en) | Pump closed testing bench control system and test method | |
| CN108592978B (en) | Oil gas water multiphase flow on-line metering calibration device | |
| CN102734148B (en) | Water pump type test method | |
| CN107315858B (en) | Centrifugal pump parametric simulation method for flow network simulation application | |
| CN104234820A (en) | Two-staged turbocharging system testing device and testing method | |
| CN104533821A (en) | Gas compressor control method | |
| CN204082312U (en) | A kind of two turbocharging systems testing apparatus | |
| CN207231786U (en) | A kind of air-valve comprehensive performance test device | |
| CN104657596A (en) | Model-transfer-based large-sized new compressor performance prediction rapid-modeling method | |
| CN113339309B (en) | Fuel cell air compressor testing system and method | |
| CN110162864A (en) | Low lift way traffic pumping station system stability prediction method | |
| CN112228330B (en) | Test equipment and method for testing air compressor of fuel cell electric vehicle | |
| CN109000911A (en) | It is a kind of for blade thermal mechanical fatigue-creep experimental rig | |
| CN202210005U (en) | Heat energy meter flow full-automatic detection device | |
| CN215444362U (en) | Fluid performance test platform | |
| CN104034377A (en) | Air compressor flow measurement device and calibration system and method thereof | |
| CN206801840U (en) | Pump cavitation surplus Auto-Test System | |
| CN105736349B (en) | Roots vacuum Pump Characteristic Test System and its test method | |
| CN104075780A (en) | Connection method for verification and calibration of flow instruments | |
| CN102305676B (en) | Automatic calibrating apparatus on flow of heat energy meter | |
| CN103026075A (en) | Method for controlling a regulated-rotation-speed low-pressure centrifugal fan | |
| CN106126858A (en) | A kind of method of fan type selecting in electrokinetic cell air cooling system | |
| CN208254797U (en) | It is a kind of for blade thermal mechanical fatigue-creep experimental rig | |
| CN108375402B (en) | Online measurement system for overflow of hydropower station water turbine based on shunt sampling method | |
| CN108953204A (en) | Pipeline compressor performance test method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |