CN210106226U - Automatic fan performance detection device - Google Patents
Automatic fan performance detection device Download PDFInfo
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- CN210106226U CN210106226U CN201821969212.0U CN201821969212U CN210106226U CN 210106226 U CN210106226 U CN 210106226U CN 201821969212 U CN201821969212 U CN 201821969212U CN 210106226 U CN210106226 U CN 210106226U
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Abstract
The utility model provides an automatic fan performance detection device, wherein the device includes: the fan detection device comprises a numerical control device and a rotatable dividing plate, wherein at least one fixing jig used for fixing a fan is arranged on the dividing plate, and a plurality of detection modules corresponding to the fixing jig are arranged on the outer side of the dividing plate. The numerical control device is used for controlling the detection modules and the index plate and judging whether the fan is qualified or not according to the matching degree of the test data and the comparison data detected by the detection modules. The detection device can improve the detection efficiency and accuracy.
Description
Technical Field
The utility model relates to an automatic fan performance detection device.
Background
The standard fan needs to be subjected to a high voltage resistance test, a power test, a current consumption test, a low voltage starting test, a rotating speed test, a noise test, an over-frame test and a drop-off test, and each test needs to be required to be qualified. The tester must be skilled and take a certain amount of time to complete. The same work is repeated all day long, so that the testers inevitably delay passivation, and misjudgment or missed judgment is caused, thereby causing quality control loss.
SUMMERY OF THE UTILITY MODEL
To the problem that the background art faces, the utility model discloses the aim at of creation provides an automatic fan performance detection device, but greatly increased work efficiency.
The utility model provides an automatic fan performance detection device, include: the fan fixing device comprises a numerical control device and a rotatable dividing plate, wherein at least one fixing jig used for fixing a fan is arranged on the dividing plate, and at least one detection module which is arranged on the outer side of the dividing plate corresponds to the fixing jig:
the first detection module is used for acquiring test data of the rotating speed, the power and the current of the fan;
the second detection module is used for acquiring high-voltage-resistant test data of the fan;
the third detection module is used for acquiring the test data of the low-voltage start and the super frame of the fan;
the fourth detection module is used for acquiring noise test data of the X-axis rotation and the Y-axis rotation of the fan;
the fifth detection module is used for acquiring falling-off test data of the fan and the impact device;
the sixth detection module is used for acquiring the test data of the power and the current of the fan again;
the numerical control device is used for controlling the detection modules and the index plate and judging whether the fan is qualified or not according to the matching degree of the test data and the comparison data detected by the detection modules.
Optionally, the system further comprises three cameras respectively arranged in the first detection module, the third detection module and the fifth detection module; the camera arranged in the first detection module is used for detecting the rotating speed of the fan, the camera arranged in the third detection module is used for detecting the over-frame data of the fan, and the probe arranged in the fifth detection module is used for detecting whether a retaining ring of the fan is loosened.
Optionally, the system further comprises three groups of power supplies connected with the numerical control device, wherein one group of power supplies is connected with the first detection module, the other group of power supplies is connected with the third detection module, and the third group of power supplies is connected with the fourth detection module, the fifth detection module and the sixth detection module.
Optionally, the fifth detection module includes a plurality of impact test hammers and a first driving mechanism for driving the plurality of impact test hammers, and the first driving mechanism drives the plurality of impact test hammers to impact the fan in different directions.
Optionally, the fourth detection module comprises an oscilloscope for audio analysis.
Optionally, the indexing disk further comprises a second driving device for driving the fan to rotate 360 ° along the X axis, and a third driving device for driving the fan to rotate 360 ° along the Y axis.
Optionally, the third driving device comprises at least two telescopic rods; one end of the telescopic rod is connected with the fixed jig through a movable shaft, and the other end of the telescopic rod is fixed on a bottom plate through a rotating shaft; the telescopic rod can control the fixed jig to rotate through different telescopic lengths.
Optionally, the index plate further includes a support mechanism and a rotating shaft capable of rotating the fixing jig, and the support mechanism and the telescopic rod are respectively disposed on opposite sides of the bottom plate.
Optionally, the index plate is driven by a fourth driving device, and when the detection of the first detection module to the sixth detection module is finished, the numerical control device controls the index plate to rotate by one station, so that the fan on the index plate corresponds to any one of the six detection modules to perform the detection of the next station.
Optionally, the system further comprises a mechanical arm and a fan conveying device arranged close to the mechanical arm and the index plate, a fourth camera is arranged on one side of the fan conveying device, the numerical control device identifies the type of the fan according to the fan on the fan conveying device shot by the fourth camera, and the first detection module to the sixth detection module are configured according to the type of the fan.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses with high pressure resistant test, power consumption current test, the low pressure start test that the fan needs, rotational speed test, noise test, surpass the frame test and drop the test integration together, whether the product is qualified can be learnt to standard contrast among each item test standard record and the numerical control device, shorten operating duration by a wide margin, raise the efficiency and the rate of accuracy is high.
Drawings
Fig. 1 is a schematic diagram of the automatic fan performance detecting device of the present invention.
Fig. 2 is a schematic view of each device at the bottom of the fixture of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides an automatic fan performance detection device includes: the device comprises a numerical control device and a rotatable indexing disc 23, wherein six fixing jigs 10 used for fixing the fan 16 are arranged on the indexing disc 23, and each fixing jig 10 corresponds to one detection module, namely the device comprises six detection modules which respectively detect different detection data of the fan 16. The device also comprises a mechanical arm 7, a fan conveying device 4 and three groups of power supplies. The fan 16 can be placed on the fan conveying device 4, the fan 16 to be tested is conveyed to the device, and the mechanical arm can place the fan 16 to be tested on any one of the fixed jigs 10 or take down the fan 16 from any one of the fixed jigs 10; the three groups of power supplies provide electric energy for the six detection modules, and different parameters are configured according to the six detection modules. The corresponding detection device also comprises a display 1, a host 2 and a variable frequency power supply 5.
The rotation of the index plate 23 is controlled by a numerical control device, the fixed jig 10 is changed into a station and the corresponding detection module is replaced once when the index plate 23 rotates once, the index plate 23 rotates for one circle, and the same fixed jig 10 and the six detection modules respectively correspond to one time. The six detection modules include:
the device comprises a numerical control device and a rotatable indexing disc 23, wherein at least one fixing jig 10 for fixing a fan 16 is arranged on the indexing disc 23, and at least one detection module corresponding to the fixing jig 10 is arranged on the outer side of the indexing disc 23:
the first detection module is used for acquiring test data of the rotating speed, the power and the current of the fan 16;
the second detection module is used for acquiring high-voltage-resistant test data of the fan 16;
the third detection module 13 is used for acquiring the low-voltage starting and super-frame test data of the fan 16;
the fourth detection module 15 is configured to obtain noise test data of the X-axis rotation and the Y-axis rotation of the fan 16;
a fifth detection module for acquiring drop test data of the fan 16 and the impact device;
the sixth detection module is used for acquiring the test data of the power and the current of the fan 16 again;
the numerical control device is used for controlling the detection modules and the index plate 23, and judging whether the fan 16 is qualified according to the matching degree of the test data and the comparison data detected by the detection modules.
The device also comprises three cameras which are respectively arranged in the first detection module, the third detection module 13 and the fifth detection module. Optionally, the first camera 11 (which can be directly used as a first detection module) is disposed for detecting the rotation speed of the fan 16, and the first camera 11 can collect the number of times that the fan 16 rotates to block the light spot to calculate the rotation speed; the second camera 14 is used for judging the height of the frame and the leaf of the fan 16 so as to judge whether the leaf exceeds the frame; the third camera (not shown) reads whether the position or the concentricity before and after the impact of the frame and the blade is changed to judge whether the retaining ring is firmly buckled with the axis.
The detection device also comprises three groups of power supplies (not shown) which are connected with the numerical control device and are positioned below the dividing plate and not visible. One group of power supplies is connected with the first detection module, the other group of power supplies is connected with the third detection module 13, and the third group of power supplies is connected with the fourth detection module 15, the fifth detection module and the sixth detection module. The three groups of power supplies can detect power parameters with different product model configurations according to needs, and are specifically controlled by the numerical control device and configured in a unified manner.
The sixth testing module comprises a plurality of impact testing hammers (not shown at the bottom of the dividing plate, such as test-use conventional testing hammers) and a first driving mechanism (not shown, such as a motor) for driving the impact testing hammers, wherein the first driving mechanism drives the impact testing hammers to impact the fan 16 in different directions. The purpose is to judge whether the retaining ring is firmly buckled with the axle center by matching with whether the position or the concentricity is changed before and after the third camera reads the frame blade. The first driving device is controlled by the numerical control device to drive the impact experiment hammer to impact fan blades so as to realize impact test. The third camera (located at the bottom of the index plate) collects images of the retaining ring and the shaft at the position of the fan blade of the fan 16, and the numerical control device detects whether the positions of the retaining ring and the shaft are changed or not through image processing or manual judgment.
The fourth detection module 15 includes an oscilloscope for audio analysis, and the oscilloscope analyzes noise generated by the rotation of the fan 16 according to the sound generated by the rotation of the fan 16.
The indexing disk 23 is also used to drive the fan 16 to rotate 360 ° along the X axis, and comprises a third drive means for driving the fan 16 to rotate 360 ° along the Y axis. As shown in fig. 2, the third driving device comprises two telescopic rods 19; one end of the telescopic rod 19 is connected with the fixed jig 10 through a movable shaft 21, and the other end of the telescopic rod is fixed on a bottom plate 18 through a rotating shaft; the telescopic rod 19 can control the fixed jig 10 to rotate through different telescopic lengths.
The bottom plate 18 is used for supporting, and a servo motor 20 is further disposed below the bottom plate, wherein the servo motor 20 can control the fan 16 to rotate normally. The two telescopic rods 19 have the same fixing position on the bottom plate 18 and different fixing positions on the fixing jig 10. The indexing disc 23 further includes a supporting mechanism 22 disposed on the lateral side of the bottom, and a rotating shaft 17 capable of rotating the fixing jig 10, wherein the rotating shaft 17 penetrates through the fixing jig 10 and is perpendicular to the supporting mechanism 22. The supporting mechanism 22 and the telescopic rod 19 are respectively arranged on the opposite sides of the bottom plate 18.
The X-axis and the Y-axis refer to the horizontal axis and the central axis of the fan 16. The angle of inclination of the fan 16 can be changed by controlling the length of the two telescopic rods 19. The servo motor 20 can control the fixing tool 10 to rotate or not to rotate. If the rotation is performed, the X axis is changed by 360 degrees, and if the rotation is not performed, the Y axis is changed by 360 degrees.
The index plate 23 is driven by a fourth driving device (such as a motor, a servo motor, etc.), and when the detection of the first detection module to the sixth detection module is finished, the numerical control device controls the index plate 23 to rotate one station, so that the fan 16 on the index plate 23 corresponds to any one of the six detection modules to perform the detection of the next station. The detection speed of each detection module has little difference, so that the detection is carried out quickly, and the detection time is saved.
As shown in fig. 1, the detection device further includes a robot arm 7 and a fan conveyance device 4 provided near the robot arm 7 and the index plate 23. And the two sides of the mechanical arm 7 are provided with a good product box 9 and a defective product box 6, and the numerical control module controls the mechanical arm 7 to place a good product fan 16 and a defective product fan 16 in the good product box 9 and the defective product box 6 respectively according to the detection result. A fourth camera 8 is arranged on one side of the fan 16 conveying device, the numerical control device identifies the type of the fan 16 according to the fan 16 on the fan conveying device 4 shot by the fourth camera 8, and the first detection module to the sixth detection module are configured according to the type of the fan 16.
The fan 16 image collected by the fourth camera 8 can be used for displaying, an operator can identify the product model and confirm the product model through the fan 16 image, and the numerical control module automatically configures each detection module according to the product model.
The specific detection process is as follows:
firstly, the numerical control device judges the product specification according to the vision according to the product image shot by the fourth camera 8 arranged at the left side of the fan conveying device 4, if the product specification is wrong, the product specification is corrected manually, if the subsequent products are consistent, the subsequent products do not need to be changed, and the voltage of each power supply is selected according to the preset configuration parameters.
The numerical control device controls the mechanical arm 7 to sequentially move the fan 16 to be tested to the first fixed jig 10 on the index plate 23, the fixed jig 10 corresponds to the first detection module 11, and the power supply is started to switch on the power supply. After the power is turned on, the power supply will transmit the power consumption and current consumption data of the fan 16 back to the numerical control device, and the numerical control device compares and judges the data with the stored comparison data according to the transmitted power consumption and current consumption to judge whether the fan 16 is qualified. Meanwhile, the first camera reads the rotation speed of the fan 16, and the data is transmitted back to the numerical control device to judge whether the fan 16 is qualified. For example, there is a bright red spot under the fan 16, and the first camera 11 can determine the rotation speed of the fan 16 according to the occurrence frequency of the red light. A red LED (light emitting diode) is arranged below the middle position of the fan 16, when the fan 16 covers the LED, the camera does not have a bright spot, otherwise, the camera can judge the number of the fan 16 according to the shape of the fan 16, the number of times of the bright spot appearing in one clock is read, and the number of times of the bright spot appearing is divided by the number of the fan 16, so that the rotating speed of the fan 16 per minute is obtained.
The index plate 23 will turn the fan 16 to the second detection module 13. After positioning, the high voltage tester is connected with the fan through the high voltage test line 12, and tests the fan 16. If the product is not qualified, a short-circuit signal is used for prompting, and the product is qualified without prompting. The withstand voltage test is to generate a DC high voltage, generally in a range of DC500V-DC2000V, then to measure the current flowing through the test, if the current flowing through the test is less than a set value for a period of time (generally 0.2-10 seconds), the test is qualified, and if the current flowing through the test exceeds the set value, the test is regarded as leakage, and the test is unqualified;
the index plate 23 will turn the fan 16 to the third detection module (14 in fig. 1). After the power supply is started to switch on the power supply, the power supply will transmit the power consumption and current consumption data of the fan 16 back to the numerical control device according to the set low voltage to determine whether the power consumption and current consumption data are qualified. The second camera reads the super-frame data of the fan 16, and the data is transmitted back to the numerical control device to judge whether the fan 16 is qualified; and comparing the height of the frame with the height of the fan 16 to perform a frame exceeding test, and transmitting the data back to the numerical control device to judge whether the fan 16 is qualified. The second camera 14 can obtain the distance between the fan blade and the camera according to the change of the fan 16 during rotation, and then compare the distance with the distance of the frame of the fan 16. If the distance between the frames is short, the frame is qualified; if the fan 16 is relatively close, it indicates that the fan 16 is out of frame as a defective product.
The index plate 23 will turn the fan 16 to the fourth detection module 15. The fixed jig 10 is selectively rotated 360 degrees along the X-axis of the fan, and simultaneously, a noise test is performed by using an oscilloscope. The indexing disk 23 rotates the fan 16 360 degrees. The fixture 10 is selectively rotated 360 degrees along the Y-axis, and simultaneously, an oscilloscope is used for noise test. The oscilloscope transmits the noise data to the numerical control device, and judges whether the fan 16 is qualified.
The index plate 23 will turn the fan 16 to the fifth detection module (at position 3 in fig. 1). Will extend from the bottom of the frame to hit the test hammer 3 and hit the fan 16 in several directions, and then determine whether the fan 16 and the frame are still balanced by the camera to determine whether the fan 16 is fixed firmly.
The index plate 23 will repeat the rotation of the fan 16 to the sixth detection module (10 in fig. 1) and activate the power supply to power on. After the power is turned on, the power supply will transmit the power consumption and current consumption data of the fan 16 back to the numerical control device, and the numerical control device compares and judges the data with the stored comparison data according to the transmitted power consumption and current consumption to judge whether the fan 16 is qualified. And comparing the measured value with the first measured value of the first detection module, if the measured value is the same or similar, the product is qualified, otherwise, the product is not qualified.
Above all qualified back unloader places the good product case 9 with the product, otherwise straightens appointed defective products case 6 according to bad reason.
The utility model integrates the fan test on a test device, automatically acquires the test parameters by utilizing each test module to complete automatic data comparison, judges whether the fan is qualified or not, has high detection accuracy and efficiency 2 to 3 times that of manual test; meanwhile, the test station can be saved, and the working space is saved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An automatic fan performance detection device, comprising: the fan fixing device comprises a numerical control device and a rotatable dividing plate, wherein at least one fixing jig used for fixing a fan is arranged on the dividing plate, and at least one detection module which is arranged on the outer side of the dividing plate corresponds to the fixing jig:
the first detection module is used for acquiring test data of the rotating speed, the power and the current of the fan;
the second detection module is used for acquiring high-voltage-resistant test data of the fan;
the third detection module is used for acquiring the test data of the low-voltage start and the super frame of the fan;
the fourth detection module is used for acquiring noise test data of the X-axis rotation and the Y-axis rotation of the fan;
the fifth detection module is used for acquiring falling-off test data of the fan and the impact device;
the sixth detection module is used for acquiring the test data of the power and the current of the fan again;
the numerical control device is used for controlling the detection modules and the index plate and judging whether the fan is qualified or not according to the matching degree of the test data and the comparison data detected by the detection modules.
2. The automatic fan performance detection apparatus of claim 1, wherein: the three cameras are respectively arranged on the first detection module, the third detection module and the fifth detection module; the camera arranged in the first detection module is used for detecting the rotating speed of the fan, the camera arranged in the third detection module is used for detecting the over-frame data of the fan, and the probe arranged in the fifth detection module is used for detecting whether a retaining ring of the fan is loosened.
3. The automatic fan performance detection apparatus of claim 1, wherein: the numerical control device is characterized by further comprising three groups of power supplies connected with the numerical control device, wherein one group of power supplies is connected with the first detection module, the other group of power supplies is connected with the third detection module, and the third group of power supplies is connected with the fourth detection module, the fifth detection module and the sixth detection module.
4. The automatic fan performance detection apparatus of claim 1, wherein: the fifth detection module comprises a plurality of impact experiment hammers and a first driving mechanism for driving the impact experiment hammers, and the first driving mechanism drives the impact experiment hammers to impact the fan in different directions.
5. The automatic fan performance detection apparatus of claim 1, wherein: the fourth detection module comprises an oscilloscope for audio analysis.
6. The automatic fan performance detection apparatus of claim 1, wherein: the indexing disc further comprises a second driving device for driving the fan to rotate 360 degrees along the X axis, and a third driving device for driving the fan to rotate 360 degrees along the Y axis.
7. The automatic fan performance detection apparatus of claim 6, wherein: the third driving device comprises at least two telescopic rods; one end of the telescopic rod is connected with the fixed jig through a movable shaft, and the other end of the telescopic rod is fixed on a bottom plate through a rotating shaft; the telescopic rod can control the fixed jig to rotate through different telescopic lengths.
8. The automatic fan performance detection apparatus of claim 7, wherein: the index plate further comprises a supporting mechanism and a rotating shaft capable of enabling the fixed jig to rotate, and the supporting mechanism and the telescopic rod are respectively arranged on the opposite sides of the bottom plate.
9. The automatic fan performance detection apparatus of claim 1, wherein: the index plate is driven by the fourth driving device, and when the detection of the first detection module to the sixth detection module is finished, the numerical control device controls the index plate to rotate one station, so that the fan on the index plate corresponds to any one of the six detection modules to detect the next station.
10. The automatic fan performance detection apparatus of claim 1, wherein: the numerical control device identifies the type of the fan according to the fan on the fan conveying device shot by the fourth camera and configures the first detection module to the sixth detection module according to the type of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821969212.0U CN210106226U (en) | 2018-11-27 | 2018-11-27 | Automatic fan performance detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821969212.0U CN210106226U (en) | 2018-11-27 | 2018-11-27 | Automatic fan performance detection device |
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| Publication Number | Publication Date |
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| CN210106226U true CN210106226U (en) | 2020-02-21 |
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| CN201821969212.0U Active CN210106226U (en) | 2018-11-27 | 2018-11-27 | Automatic fan performance detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281858A (en) * | 2018-11-27 | 2019-01-29 | 三巨科技电机（深圳）有限公司 | A kind of automatic fan device for detecting performance |
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2018
- 2018-11-27 CN CN201821969212.0U patent/CN210106226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281858A (en) * | 2018-11-27 | 2019-01-29 | 三巨科技电机（深圳）有限公司 | A kind of automatic fan device for detecting performance |
| CN109281858B (en) * | 2018-11-27 | 2024-06-07 | 三巨科技电机（深圳）有限公司 | Automatic fan performance detection device |
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