CN115750422B - Fan shake value testing method, system, electronic equipment and storage medium - Google Patents
Fan shake value testing method, system, electronic equipment and storage mediumInfo
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- CN115750422B CN115750422B CN202211352108.8A CN202211352108A CN115750422B CN 115750422 B CN115750422 B CN 115750422B CN 202211352108 A CN202211352108 A CN 202211352108A CN 115750422 B CN115750422 B CN 115750422B
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- value
- fan
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- distance data
- sway
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
A fan shaking value testing method, system, electronic equipment and storage medium comprise the steps of obtaining rotating speed data of a fan with a shaking value to be tested, judging whether the rotating speed data reach a first threshold value, obtaining distance data of a distance sensor if the rotating speed data reach the first threshold value, continuously obtaining a plurality of distance data in a time window with a preset length to form a distance data set, calculating the shaking value of the fan, judging whether the shaking value exceeds a preset second threshold value, giving out a first signal with the fan shaking value unqualified in test if the shaking value exceeds the second threshold value, and giving out a second signal with the fan shaking value unqualified in test if the shaking value is smaller than the second threshold value. The accurate measurement of the running shaking value of the fan is realized through the distance sensor, the testing process of the shaking value is automated, the error of manual testing is avoided, the testing accuracy is improved, and the labor cost is saved.
Description
Technical Field
The present invention relates to the field of fan manufacturing technologies, and in particular, to a method and a system for testing a fan shake value, an electronic device, and a storage medium.
Background
The fan and the fan lamp are required to be subjected to shaking value test in the running state environment before leaving the factory, and if the shaking value of the fan exceeds the standard, the use feeling of a customer can be affected.
At present, a manual test judging mode of a laser pen and a scale is adopted, specifically, a fan is arranged on a hanger to run, the laser pen is bound on the fan, so that the fan shakes to drive the laser pen to shake, a light beam emitted by the laser pen is beaten onto a preset panel, a circular scale is defined on the panel, if the fan runs, a light spot of the laser beam on the panel is always in the range of the circular scale, the fan shake value is considered to be qualified, and otherwise, the fan shake value is considered to be unqualified.
The defects of the mode include that firstly, whether the laser pen is qualified or not is judged manually, and the deviation of the manual judgment exists, secondly, whether the light spot shaking range of the laser pen exceeds a scale or not is required to be tested by personnel Cheng Mushi, and the working strength is high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a fan shaking value testing method, a system, electronic equipment and a storage medium.
In a first aspect, the present invention provides a method for testing a fan shake value, where the method includes:
Acquiring rotating speed data of a fan with a shaking value to be tested;
Judging whether the rotating speed data reach a first threshold value, if so, acquiring distance data of a distance sensor, wherein the distance sensor measures a distance value from the distance sensor to the fan as the distance data;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a shake value of the fan based on the distance dataset;
judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value is not qualified, and if so, giving a second signal that the fan shaking value is qualified.
According to the fan shake value testing method provided by the invention, based on the distance data set, the shake value of the fan is calculated, and the method comprises the following steps:
calculating a first difference between a maximum distance and a minimum distance in the distance dataset;
taking the first difference value as the shaking value;
Or alternatively
The first distance of the distance data on the time sequence is taken as a return value;
calculating a plurality of second differences between distances at other time sequences in the distance data set and the return-to-zero value;
and taking the maximum value of the plurality of second difference values as the shaking value.
According to the fan shake value testing method provided by the invention, a plurality of distance data in a time window with a preset length are continuously acquired to form a distance data set, and the method comprises the following steps:
And continuously acquiring a plurality of groups of distance data in a plurality of sub-time windows to form a plurality of sub-distance data sets.
According to the fan shake value testing method provided by the invention, based on the distance data set, the shake value of the fan is calculated, and the method comprises the following steps:
calculating a plurality of sub-sloshing values of the fan based on a plurality of the sub-distance data sets;
and taking the maximum value of the plurality of sub-shaking values as the shaking value of the fan.
According to the method for testing the vibration value of the fan, provided by the invention, the method further comprises the following steps:
During other periods of time in which the first signal and the second signal are being presented, a third signal is presented that the fan is being tested.
In a second aspect, the present invention further provides a fan shake value testing system, the system including:
The first acquisition module is used for acquiring the rotating speed data of the fan with the shaking value to be tested;
The first judging module is used for judging whether the rotating speed data reach a first threshold value or not, if the rotating speed data reach the first threshold value, obtaining distance data of a distance sensor, and the distance sensor measures a distance value from the distance sensor to the fan as the distance data;
the second acquisition module is used for continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
The calculating module is used for calculating the shaking value of the fan based on the distance data set;
The judging module is used for judging whether the shaking value exceeds a preset second threshold value, if the shaking value exceeds the second threshold value, giving a first signal that the fan shaking value is not qualified in test, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value is qualified in test.
In a third aspect, the present invention further provides a fan shake value testing system, the system comprising:
the rotating speed sensor is used for acquiring rotating speed data of the fan with the shaking value to be tested;
a distance sensor for measuring a distance value from the sensor to the fan as distance data;
The controller is connected with the rotating speed sensor and the distance sensor;
Wherein, the
The controller judges whether the rotating speed data reach a first threshold value, and if the rotating speed data reach the first threshold value, the distance data of the distance sensor are obtained;
the controller continuously acquires a plurality of distance data in a time window with a preset length to form a distance data set;
the controller calculates a shaking value of the fan based on the distance data set;
The controller judges whether the shaking value exceeds a preset second threshold value, if the shaking value exceeds the second threshold value, a first signal which is unqualified in fan shaking value test is given, and if the shaking value is smaller than the second threshold value, a second signal which is qualified in fan shaking value test is given.
According to the fan shaking value testing method provided by the invention, the system further comprises the following steps:
The display device is connected with the controller;
the display device emits first color light when receiving the first signal, and emits second color light when receiving the second signal.
In a fourth aspect, the present invention further provides an electronic device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the steps of the fan shake value testing method according to any one of the above are implemented when the processor executes the program.
In a fifth aspect, the present invention also provides a non-transitory computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the steps of the fan shake value test method according to any one of the preceding claims.
According to the fan shaking value testing method, system, electronic equipment and storage medium, the fan running shaking value is accurately measured through the distance sensor, the shaking value testing process is automated, errors of manual testing are avoided, testing accuracy is improved, and labor cost is saved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following brief description will be given of the drawings used in the embodiments or the description of the prior art, it being obvious that the drawings in the following description are some embodiments of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for testing a fan shake value according to the present invention;
FIG. 2 is a schematic diagram of a system for testing a fan shake value according to the present invention;
FIG. 3 is a schematic diagram of another fan shake value test system according to the present invention;
fig. 4 is a schematic diagram of an entity structure of an electronic device according to the present invention.
Reference numerals 1-first hanger, 2-fan, 3-distance sensor, 4-second hanger, 5-controller.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The fan shake value testing method provided by the embodiment of the application is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.
Fig. 1 is a flow chart of a method for testing a fan shake value according to the present invention, as shown in fig. 1, the method for testing a fan shake value according to the present invention includes the following steps.
Preferably, the test method is executed by the controller as a program, and the following steps are acquired, judged, calculated, given, and the like, according to various functions in the program.
S100, acquiring rotational speed data of the fan with the shaking value to be tested.
Preferably, after the fan is started, the rotational speed of the fan is gradually increased under the controller.
And S200, judging whether the rotating speed data reach a first threshold value, if so, acquiring distance data of a distance sensor, and measuring a distance value from the distance sensor to the fan by the distance sensor as the distance data.
Preferably, the first threshold is set at 265rpm/min and the maximum wind speed of the fan to be tested is 265-270rpm/min.
S300, continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set.
Preferably, the predetermined length is 3s.
Optionally, continuously acquiring a plurality of distance data within a predetermined length time window to form a distance data set, including:
and continuously acquiring multiple groups of distance data in multiple sub-time windows to form multiple sub-distance data sets.
Preferably, the length of the sub-time window is 1s, and the number of the corresponding sub-time windows is 3.
Further, the 3 sub-time windows are consecutive in time.
Optionally, calculating the fan shake value based on the distance data set includes:
Calculating a plurality of sub-sloshing values of the fan based on the plurality of sub-distance data sets;
And taking the maximum value of the plurality of sub-shaking values as a shaking value of the fan.
S400, calculating the shaking value of the fan based on the distance data set.
Optionally, calculating the fan shake value based on the distance data set includes:
calculating a first difference between a maximum distance and a minimum distance in the distance dataset;
taking the first difference value as a shaking value;
Or alternatively
The first distance of the distance data on the time sequence is taken as a return value;
Calculating a plurality of second differences between distances at other time sequences in the distance data set and return to zero values;
And taking the maximum value of the plurality of second difference values as a shaking value.
S500, judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value is not qualified, and if so, giving a second signal that the fan shaking value is qualified.
Optionally, the method further comprises:
During other periods of time, where the first signal and the second signal are given, a third signal is given that the fan is under test.
According to the embodiment, the accurate measurement of the running shaking value of the fan is realized through the distance sensor, the testing process of the shaking value is automated, the error of manual testing is avoided, the testing accuracy is improved, and the labor cost is saved.
Fig. 2 is a schematic structural diagram of a fan shake value testing system according to the present invention, where, as shown in fig. 2, the system further includes:
the rotating speed sensor is used for acquiring rotating speed data of the fan 2 with the shaking value to be tested;
A distance sensor 3 for measuring a distance value from the sensor to the fan 2 as distance data;
The controller 5 is connected with the rotating speed sensor and the distance sensor 3;
Wherein, the
The controller 5 judges whether the rotating speed data reach a first threshold value, and if the rotating speed data reach the first threshold value, the distance data of the distance sensor are obtained;
The controller 5 continuously acquires a plurality of distance data in a time window with a preset length to form a distance data set;
the controller 5 calculates a shaking value of the fan based on the distance data set;
The controller 5 judges whether the shaking value exceeds a preset second threshold, if the shaking value exceeds the second threshold, a first signal that the fan shaking value is not qualified is given, and if the shaking value is smaller than the second threshold, a second signal that the fan shaking value is qualified is given.
Preferably, the rotation speed sensor is disposed in the first hanger 1, and the first hanger 1 is used for hanging the fan 2 for running, and simulating the stressed state of the fan 2 in a normal running scene.
Preferably, the system further comprises a second hanger 4, said second hanger 4 being used to lift the distance sensor 3 arrangement, the distance sensor 3 being able to measure its distance to the fan.
Preferably, the distance sensor 4 comprises a laser displacement sensor.
Further, the distance between the laser displacement sensor and the fan is 300-600mm, and if the distance is not within the range, the measurement accuracy can not meet the requirement of the shaking value test, and the test is invalid.
It should be noted that the distance sensor may be an electromagnetic wave sensor using other wave bands, such as millimeter wave radar, or sonar. Further, touch sensors may not be suitable for the present scenario, as the touch sensors themselves may affect the fan's sloshing performance.
Preferably, the controller comprises a Programmable Logic Controller (PLC).
Optionally, the system further comprises:
The display device is connected with the controller;
The display device emits first color light when receiving the first signal, and emits second color light when receiving the second signal.
Preferably, the controller is also capable of providing a third signal that the fan is under test during other periods of time that the first signal and the second signal are provided.
Preferably, the display device emits a third color light upon receiving the third signal.
Preferably, the display device comprises a three-color lighthouse, which can give a noticeable cue to a person.
The embodiment has been applied in the fan lamp shipment detection link, and the system stability is better than that of a manually judged test system.
According to the embodiment, the accurate measurement of the running shaking value of the fan is realized through the distance sensor, the testing process of the shaking value is automated, the error of manual testing is avoided, the testing accuracy is improved, and the labor cost is saved.
The fan shake value test system provided by the invention is described below, and the fan shake value test system described below and the fan shake value test method described above can be referred to correspondingly.
Fig. 3 is a schematic structural diagram of another fan shake value testing system according to the present invention, where, as shown in fig. 3, the system further includes:
The first acquisition module is used for acquiring the rotating speed data of the fan with the shaking value to be tested;
The first judging module is used for judging whether the rotating speed data reach a first threshold value, if so, acquiring distance data of the distance sensor, and the distance sensor measures the distance value from the distance sensor to the fan as the distance data;
The second acquisition module is used for continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
The calculating module is used for calculating the shaking value of the fan based on the distance data set;
The judging module is used for judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value is not qualified, and if so, giving a second signal that the fan shaking value is qualified.
Preferably, the present embodiment can correspond to a plurality of program modules in the controller.
According to the embodiment, the accurate measurement of the running shaking value of the fan is realized through the distance sensor, the testing process of the shaking value is automated, the error of manual testing is avoided, the testing accuracy is improved, and the labor cost is saved.
Fig. 4 is a schematic physical structure of an electronic device according to the present invention, as shown in fig. 4, the electronic device may include a processor (processor) 410, a communication interface (Communications Interface) 420, a memory (memory) 430, and a communication bus 440, where the processor 410, the communication interface 420, and the memory 430 complete communication with each other through the communication bus 440. Processor 410 may invoke logic instructions in memory 430 to perform a fan shake value test method comprising:
Acquiring rotating speed data of a fan with a shaking value to be tested;
Judging whether the rotating speed data reach a first threshold value, if so, acquiring distance data of a distance sensor, wherein the distance sensor measures a distance value from the distance sensor to the fan as the distance data;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a shake value of the fan based on the distance dataset;
judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value is not qualified, and if so, giving a second signal that the fan shaking value is qualified.
Further, the logic instructions in the memory 430 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. The storage medium includes a U disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the fan shake value test method provided by the above methods, the method comprising:
Acquiring rotating speed data of a fan with a shaking value to be tested;
Judging whether the rotating speed data reach a first threshold value, if so, acquiring distance data of a distance sensor, wherein the distance sensor measures a distance value from the distance sensor to the fan as the distance data;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a shake value of the fan based on the distance dataset;
judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value is not qualified, and if so, giving a second signal that the fan shaking value is qualified.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the above provided fan shake value test methods, the method comprising:
Acquiring rotating speed data of a fan with a shaking value to be tested;
Judging whether the rotating speed data reach a first threshold value, if so, acquiring distance data of a distance sensor, wherein the distance sensor measures a distance value from the distance sensor to the fan as the distance data;
continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set;
calculating a shake value of the fan based on the distance dataset;
judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value is not qualified, and if so, giving a second signal that the fan shaking value is qualified.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.
Claims (10)
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| CN115750422B true CN115750422B (en) | 2025-08-19 |
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| CN117622810B (en) * | 2024-01-25 | 2024-04-19 | 山西戴德测控技术股份有限公司 | Conveyor belt monitoring method, device, equipment and computer storage medium |
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| CN101074966A (en) * | 2007-06-15 | 2007-11-21 | 华为技术有限公司 | Method and apparatus for warning fan life |
| CN104165152A (en) * | 2013-05-17 | 2014-11-26 | 昆达电脑科技(昆山)有限公司 | Electric fan safety protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7168918B2 (en) * | 2004-09-30 | 2007-01-30 | General Electric Company | High performance cooling fan |
| US8868250B2 (en) * | 2010-09-28 | 2014-10-21 | Cisco Technology, Inc. | Fan speed control |
| US10935960B2 (en) * | 2019-06-20 | 2021-03-02 | Hewlett Packard Enterprise Development Lp | Pre-runtime fan control |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074966A (en) * | 2007-06-15 | 2007-11-21 | 华为技术有限公司 | Method and apparatus for warning fan life |
| CN104165152A (en) * | 2013-05-17 | 2014-11-26 | 昆达电脑科技(昆山)有限公司 | Electric fan safety protection device |
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