CN112709714A - Fan aerodynamic performance test system - Google Patents
Fan aerodynamic performance test system Download PDFInfo
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- CN112709714A CN112709714A CN202011564459.6A CN202011564459A CN112709714A CN 112709714 A CN112709714 A CN 112709714A CN 202011564459 A CN202011564459 A CN 202011564459A CN 112709714 A CN112709714 A CN 112709714A
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- fan
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- air chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
Abstract
The invention discloses a fan aerodynamic performance test system which comprises a test air chamber, an air volume adjusting valve, an auxiliary fan, a noise probe, a laser rotating speed probe, an environmental data acquisition assembly, an air chamber temperature sensor, a first differential pressure sensor, a second differential pressure sensor, a third differential pressure sensor, an air chamber control system cabinet, a power supply cabinet and a fan performance test system cabinet. The invention can carry out all-around test on the aerodynamic performance of the test fan, and the tester can carry out adaptability adjustment or improvement on the test fan according to the test result.
Description
Technical Field
The invention relates to the technical field of fan testing, in particular to a fan aerodynamic performance testing system.
Background
The fan performance test generally comprises an aerodynamic performance test, a mechanical performance test and the like, wherein the aerodynamic performance test aims to obtain whether the flow, the pressure, the consumed power, the efficiency, the noise and the like of the fan meet the requirements specified by the design and the interrelation thereof at a given rotating speed through test and calculation, and draw a characteristic curve of the fan. Therefore, fan aerodynamic performance testing is an important task for ensuring fan quality and obtaining fan performance characteristics. Therefore, the applicant develops a fan aerodynamic performance test system through beneficial research and research, and the technical scheme to be described below is generated under the background.
Disclosure of Invention
The invention aims to: a fan aerodynamic performance test system is provided.
In order to achieve the above purpose, the invention can adopt the following technical scheme:
a fan aerodynamic performance testing system comprising:
the testing air chamber is provided with an air inlet used for being connected with an air outlet of the testing fan along one side in the horizontal direction, and is provided with an air outlet along the other side in the horizontal direction;
the air quantity regulating valve is arranged in the air outlet pipeline;
the auxiliary fan is arranged at the air outlet end of the air outlet pipeline;
the noise probe is arranged near the test fan and used for collecting the noise volume generated when the test fan works;
the laser rotating speed probe is arranged on the test fan accessory and is used for acquiring the rotating speed of the test fan during working;
the environment data acquisition assembly is used for acquiring the atmospheric pressure, the atmospheric temperature and the atmospheric humidity of the working environment of the test fan;
an air chamber temperature sensor installed in the test air chamber and used for collecting the temperature of the test air chamber;
the first differential pressure sensor is connected to the test air chamber through a first air pipeline, communicated with a space between the air inlet and the flow stabilizing screen and used for collecting the air chamber static pressure of the test air chamber;
the second differential pressure sensor is connected to the test air chamber through a second air pipeline, communicated with a space between the steady flow screen and the nozzle mounting plate and used for collecting the upstream static pressure of the test air chamber;
the third differential pressure sensor is connected to the test air chamber through a third air pipeline and communicated with a space between the steady flow screen and the nozzle mounting plate, and is connected to the test air chamber through a fourth air pipeline and communicated with a space between the nozzle mounting plate and an air outlet, and is used for collecting nozzle differential pressure of the test air chamber;
the air chamber control system cabinet is respectively connected with the test fan, the auxiliary fan and the air quantity regulating valve;
the power supply cabinet is connected with the air chamber control system cabinet and is used for supplying electric energy required by work to the air chamber control system cabinet; and
and the fan performance test system cabinet is respectively connected with the noise probe, the laser rotating speed probe, the environmental data acquisition assembly, the air chamber temperature sensor, the first, second and third differential pressure sensors and the air chamber control system cabinet.
In a preferred embodiment of the present invention, the environmental data collection assembly includes:
the air pressure sensor is used for collecting the atmospheric pressure of the working environment of the test fan and is connected with the fan performance testing system cabinet; and
and the temperature and humidity sensor is used for collecting the atmospheric temperature and the atmospheric humidity of the working environment of the test fan and is connected with the fan performance test system cabinet.
In a preferred embodiment of the present invention, the plenum control system cabinet comprises:
the control signal output module is used for sending the received air volume adjusting signal to the air volume adjusting valve;
the flow regulating module is used for generating an air volume regulating signal and sending the generated air volume regulating signal to the control signal output module;
the power electricity input module is used for receiving the electric energy transmitted by the power cabinet;
the power electricity output module is used for respectively transmitting electric energy to the test fan and the auxiliary fan;
the power measuring instrument is used for measuring the working power of the test fan;
the frequency converter is used for adjusting the working power of the auxiliary fan; and
and the fan operation control module is used for respectively controlling the test fan and the auxiliary fan to operate.
In a preferred embodiment of the invention, the power supply cabinet is composed of a 380V power supply cabinet and a 220V power supply cabinet.
In a preferred embodiment of the present invention, the fan performance test system cabinet includes:
the acquisition system host is used for acquiring signals acquired by the noise probe, the laser rotating speed probe, the environmental data acquisition assembly, the air chamber temperature sensor and the first, second and third differential pressure sensors;
the industrial control computer is used for processing the signals acquired by the acquisition system host; and
and the display screen is used for displaying the signals acquired by the acquisition system host on one hand and displaying the processing result of the industrial control computer on the other hand.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: the test device can carry out all-around test on the aerodynamic performance of the test fan, so that testers can know the aerodynamic performance of the test fan conveniently, and the testers can adjust or improve the adaptability of the test fan according to the test result. The invention has the advantages of high automation degree, high testing efficiency, high testing precision and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1, a fan aerodynamic performance test system is shown, which comprises a test air chamber 100, an air volume adjusting valve 200, an auxiliary fan 300, a noise probe 410, a laser rotation speed probe 420, an environmental data acquisition assembly 430, an air chamber temperature sensor 440, differential pressure sensors 500a, 500b, 500c, an air chamber control system cabinet 600, a power supply cabinet 700 and a fan performance test system cabinet 800.
The test plenum 100 is a horizontal air duct structure, and has an air inlet 101 disposed at one side along the horizontal direction for connecting with an air outlet of the test blower 10, and an air outlet 102 disposed at the other side along the horizontal direction. The flow stabilizing screen 110 and the nozzle mounting plate 120 are arranged in the test air chamber 100 at intervals along the airflow direction, and the flow stabilizing screen 110 makes the airflow entering the test air chamber 100 by the test fan 10 more stable. A plurality of nozzles 121 are installed on the nozzle mounting plate 120 at intervals, and an air outlet pipe 130 is connected to the air outlet 101 of the test plenum 100.
The air volume adjusting valve 200 is installed in the air outlet duct 130, and is used for adjusting the air outlet flow of the air outlet duct 130.
The auxiliary fan 300 is installed at the air outlet end of the air outlet duct 130, and plays a role of assisting air outlet.
The noise probe 410 is mounted adjacent to the test fan 10 and is used to collect the amount of noise generated by the test fan 10 during operation.
The laser rotation speed probe 420 is mounted to the test blower 10 accessory and is used for acquiring the rotation speed of the test blower 10 during operation.
The environmental data collection assembly 430 is used to collect the atmospheric pressure, the atmospheric temperature, and the atmospheric humidity of the working environment of the test fan 10. The environmental data collection assembly 430 includes an air pressure sensor 431 and a temperature and humidity sensor 432. The barometric pressure sensor 431 is used to collect the atmospheric pressure of the working environment of the test fan 10. The temperature and humidity sensor 432 is used for acquiring the atmospheric temperature and the atmospheric humidity of the working environment of the test fan 10.
A plenum temperature sensor 440 is mounted in the test plenum 100 for collecting the temperature of the test plenum 100.
A differential pressure sensor 500a is connected to the test plenum 100 through an air line 510a and is communicated with the space between the air inlet 101 and the flow stabilizing screen 110, and is used for collecting the plenum static pressure of the test plenum 100.
A differential pressure sensor 500b is connected to the test plenum 100 by a gas line 510b and communicates with the space between the flow stabilizing screen 110 and the nozzle mounting plate 120 for collecting the static pressure upstream of the test plenum 100.
A differential pressure sensor 500c is connected to the test plenum 100 through a gas line 510c and communicates with the space between the flow stabilizing screen 110 and the nozzle mounting plate 120, on the one hand, and is connected to the test plenum 100 through a gas line 520c and communicates with the space between the nozzle mounting plate 120 and the air outlet 102, which is used to collect a nozzle differential pressure of the test plenum 100.
The air chamber control system cabinet 600 is respectively connected with the test blower 10, the auxiliary blower 300 and the air volume adjusting valve 200 in a control way. The air chamber control system cabinet 600 comprises a control signal output module 610, a flow rate adjusting module 620, a power electricity input module 630, a power electricity output module 640, a power measuring instrument 650, a frequency converter 660 and a fan operation control module 670. The control signal output module 610 is configured to send the received air volume adjusting signal to the air volume adjusting valve 200. The flow rate adjusting module 620 is configured to generate an air volume adjusting signal and send the generated air volume adjusting signal to the control signal output module 610. The power electricity input module 630 is used for receiving the electric energy of the power cabinet 700. The power electric output module 640 is used for respectively transmitting electric energy to the test fan 10 and the auxiliary fan 300. The power meter 650 is used for measuring the working power of the test fan 10. The frequency converter 660 is used for adjusting the working power of the auxiliary fan 300. The fan operation control module 670 is used to control the operation of the test fan 10 and the auxiliary fan 300, respectively.
The power supply cabinet 700 is connected to the plenum control system cabinet 600 and is used to supply electric power required for operation to the plenum control system cabinet 600. The power cabinet 700 is composed of a 380V power cabinet 710 and a 220V power cabinet 720.
The fan performance test system cabinet 800 is respectively connected with the noise probe 410, the laser rotating speed probe 420, the air pressure sensor 431, the temperature and humidity sensor 432, the air chamber temperature sensor 440, the differential pressure sensors 500a, 500b and 500c and the air chamber control system cabinet 600. The fan performance test system cabinet 800 includes an acquisition system host 810, an industrial control computer 820, and a display screen 830. The acquisition system host 810 is used for acquiring signals acquired by the noise probe 410, the laser rotation speed probe 420, the air pressure sensor 431, the temperature and humidity sensor 432, the air chamber temperature sensor 440 and the differential pressure sensors 500a, 500b and 500 c. The industrial control computer 820 is used for processing the signals acquired by the acquisition system host 810. The display screen 830 is used for displaying the signals collected by the collection system host 810 on one hand, and displaying the processing result of the industrial control computer 820 on the other hand.
The raw measurement parameters acquired by the acquisition system host 810 include atmospheric pressure, atmospheric temperature, atmospheric humidity, inlet pressure, outlet pressure, temperature, motor power, torque, rotational speed, noise, vibration and the like, and all data are automatically measured without manual counting.
The parameters obtained by processing the signals acquired by the acquisition system host 810 by the industrial control computer 820 include fan flow, fan full pressure, fan static pressure, full pressure efficiency, static pressure efficiency, power, rotating speed, noise, vibration and the like. The industrial control computer 820 supports automatic parameter acquisition, real-time display function and automatic acquisition parameter storage, supports zero drift compensation of the sensor, improves acquisition precision, can automatically change the channel and the name of a measurement parameter according to the needs of a user by using the channel of the sensor, transmits signals through a USB, and is stable, fast and convenient to replace.
The test device can carry out all-around test on the aerodynamic performance of the test fan, so that testers can know the aerodynamic performance of the test fan conveniently, and the testers can adjust or improve the adaptability of the test fan according to the test result. The invention has the advantages of high automation degree, high testing efficiency, high testing precision and the like.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a fan aerodynamic performance test system which characterized in that includes:
the testing air chamber is provided with an air inlet used for being connected with an air outlet of the testing fan along one side in the horizontal direction, and is provided with an air outlet along the other side in the horizontal direction;
the air quantity regulating valve is arranged in the air outlet pipeline;
the auxiliary fan is arranged at the air outlet end of the air outlet pipeline;
the noise probe is arranged near the test fan and used for collecting the noise volume generated when the test fan works;
the laser rotating speed probe is arranged on the test fan accessory and is used for acquiring the rotating speed of the test fan during working;
the environment data acquisition assembly is used for acquiring the atmospheric pressure, the atmospheric temperature and the atmospheric humidity of the working environment of the test fan;
an air chamber temperature sensor installed in the test air chamber and used for collecting the temperature of the test air chamber;
the first differential pressure sensor is connected to the test air chamber through a first air pipeline, communicated with a space between the air inlet and the flow stabilizing screen and used for collecting the air chamber static pressure of the test air chamber;
the second differential pressure sensor is connected to the test air chamber through a second air pipeline, communicated with a space between the steady flow screen and the nozzle mounting plate and used for collecting the upstream static pressure of the test air chamber;
the third differential pressure sensor is connected to the test air chamber through a third air pipeline and communicated with a space between the steady flow screen and the nozzle mounting plate, and is connected to the test air chamber through a fourth air pipeline and communicated with a space between the nozzle mounting plate and an air outlet, and is used for collecting nozzle differential pressure of the test air chamber;
the air chamber control system cabinet is respectively connected with the test fan, the auxiliary fan and the air quantity regulating valve;
the power supply cabinet is connected with the air chamber control system cabinet and is used for supplying electric energy required by work to the air chamber control system cabinet; and
and the fan performance test system cabinet is respectively connected with the noise probe, the laser rotating speed probe, the environmental data acquisition assembly, the air chamber temperature sensor, the first, second and third differential pressure sensors and the air chamber control system cabinet.
2. The fan aerodynamic performance testing system of claim 1, wherein the environmental data collection assembly comprises:
the air pressure sensor is used for collecting the atmospheric pressure of the working environment of the test fan and is connected with the fan performance testing system cabinet; and
and the temperature and humidity sensor is used for collecting the atmospheric temperature and the atmospheric humidity of the working environment of the test fan and is connected with the fan performance test system cabinet.
3. The fan aerodynamic performance test system of claim 1 wherein the plenum control system cabinet comprises:
the control signal output module is used for sending the received air volume adjusting signal to the air volume adjusting valve;
the flow regulating module is used for generating an air volume regulating signal and sending the generated air volume regulating signal to the control signal output module;
the power electricity input module is used for receiving the electric energy transmitted by the power cabinet;
the power electricity output module is used for respectively transmitting electric energy to the test fan and the auxiliary fan;
the power measuring instrument is used for measuring the working power of the test fan;
the frequency converter is used for adjusting the working power of the auxiliary fan; and
and the fan operation control module is used for respectively controlling the test fan and the auxiliary fan to operate.
4. The fan aerodynamic performance test system of claim 1, wherein the power cabinet is comprised of a 380V power cabinet and a 220V power cabinet.
5. The fan aerodynamic performance testing system of claim 1, wherein the fan performance testing system cabinet comprises:
the acquisition system host is used for acquiring signals acquired by the noise probe, the laser rotating speed probe, the environmental data acquisition assembly, the air chamber temperature sensor and the first, second and third differential pressure sensors;
the industrial control computer is used for processing the signals acquired by the acquisition system host; and
and the display screen is used for displaying the signals acquired by the acquisition system host on one hand and displaying the processing result of the industrial control computer on the other hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011564459.6A CN112709714A (en) | 2020-12-25 | 2020-12-25 | Fan aerodynamic performance test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011564459.6A CN112709714A (en) | 2020-12-25 | 2020-12-25 | Fan aerodynamic performance test system |
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| Publication Number | Publication Date |
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| CN112709714A true CN112709714A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011564459.6A Pending CN112709714A (en) | 2020-12-25 | 2020-12-25 | Fan aerodynamic performance test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673680A (en) * | 2022-04-26 | 2022-06-28 | 中国电子科技集团公司第十四研究所 | Fan capability test device suitable for low atmospheric pressure environment |
-
2020
- 2020-12-25 CN CN202011564459.6A patent/CN112709714A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673680A (en) * | 2022-04-26 | 2022-06-28 | 中国电子科技集团公司第十四研究所 | Fan capability test device suitable for low atmospheric pressure environment |
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