CN222211782U

CN222211782U - Fan detection equipment

Info

Publication number: CN222211782U
Application number: CN202420026178.2U
Authority: CN
Inventors: 鉴纪新; 秦洪杰; 张艳全
Original assignee: Hisense Guangdong Kitchen and Bath System Co Ltd
Current assignee: Hisense Guangdong Kitchen and Bath System Co Ltd
Priority date: 2024-01-04
Filing date: 2024-01-04
Publication date: 2024-12-20
Anticipated expiration: 2034-01-04

Abstract

The utility model discloses fan detection equipment, which relates to the technical field of detection equipment and comprises a rack, a dynamic balance testing device, a weight detecting device and a runout detecting device, wherein the dynamic balance testing device, the weight detecting device and the runout detecting device are arranged on the rack, a detecting platform is arranged on the rack, the dynamic balance testing device comprises a testing device main body and a fan installation shaft, the fan installation shaft is arranged on the detecting platform and used for installing a fan to be detected, the weight detecting device is arranged on the fan installation shaft and used for detecting the weight of the fan to be detected, the runout detecting device comprises a first ranging mechanism and a second ranging mechanism, the first ranging mechanism is used for measuring the height dimension of the fan to be detected after rotation, and the second ranging mechanism is used for measuring the diameter dimension of the fan to be detected after rotation. According to the fan detection equipment, all the measurement of multiple groups of data can be realized through one-time assembly, the test efficiency is improved, meanwhile, the automatic measurement is realized, the error of manual measurement reading is avoided, and the accuracy of the measured data is improved.

Description

Fan detection equipment

Technical Field

The utility model relates to the technical field of detection equipment, in particular to fan detection equipment.

Background

The fans are key parts of air-conditioning products, the quality requirements are higher, and in the production process, bearing measurement, end diameter jump measurement and dynamic balance measurement are required to be carried out on each produced fan so as to ensure that all the product parts are qualified. The current fan detection flow is specifically as follows:

1. the weight of the product is borne by an electronic scale;

2. Placing the fan on end diameter jump measuring equipment to measure the diameter size of the product after the fan is qualified, wherein the step is to manually rotate the fan to measure the size of each fan blade;

3. After the diameter size is qualified, measuring the height of the fan by using a height ruler, wherein the step also needs to manually rotate the fan to measure the height size of each fan blade;

4. and after the product is qualified, taking the product off the end diameter jump measuring equipment, and then installing the product on a dynamic balance measuring instrument to carry out dynamic balance detection and debugging.

The four dimensions are finally qualified and then are normally used, three persons are required for the personnel to finish the whole production process, the efficiency is low, and the jump measurement and dynamic balance test require two parts, so that the damage risk of the fan shaft sleeve is increased.

Disclosure of utility model

The fan detection equipment provided by the utility model can realize all measurement of multiple groups of data through one-time assembly, has high test efficiency, automatically measures the equipment, avoids errors of manual measurement readings, and improves accuracy of measured data.

The present utility model provides a fan detection apparatus, comprising:

The rack is provided with a detection platform;

The dynamic balance testing device is arranged on the rack and comprises a testing device main body, a fan installation shaft and a driving mechanism for driving the fan installation shaft to rotate, wherein the fan installation shaft is positioned on the detection platform and is used for installing a fan to be tested;

The weight detection device is arranged on the fan installation shaft and is used for detecting the weight of the fan to be detected;

The jump detection device is arranged on the frame and comprises a first distance measuring mechanism and a second distance measuring mechanism, wherein the first distance measuring mechanism is used for measuring the height dimension of the fan to be measured after rotation, and the second distance measuring mechanism is used for measuring the diameter dimension of the fan to be measured after rotation.

The fan detection device can realize all measurement of multiple groups of data through one-time assembly, has high test efficiency, automatically measures the device, avoids errors of manual measurement readings, and improves accuracy of measured data.

In some embodiments, the first ranging mechanism includes a first grating emitter for emitting light and a first grating receiver for receiving the light emitted by the first grating emitter, where the first grating emitter and the second grating receiver are vertically arranged and correspondingly arranged on two sides of the fan to be measured.

In some embodiments, the second ranging mechanism includes a second grating emitter for emitting light and a second grating receiver for receiving the light emitted by the second grating emitter, where the second grating emitter and the second grating receiver are horizontally arranged and correspondingly arranged on the upper side and the lower side of the blade of the fan to be measured. And by adopting the grating emitter, the size data can be acquired through the formed light curtain and the light curtain shielding, so that the size measurement is accurate.

In some embodiments, the weight detection device comprises a weight sensor, the fan mounting shaft comprises a rotating shaft and a rotating shaft mounting seat, the rotating shaft is provided with a step part used for being abutted with a fan to be detected, and the weight sensor is arranged on the end face of the step part. The weight sensor is directly arranged on the rotating shaft, and the weight of the fan can be obtained after the fan is arranged, so that the fan is convenient and quick.

In some embodiments, the fan detection device further comprises a protection cover, wherein the protection cover is arranged on the detection platform in a sliding mode, and the protection cover is arranged on the outer side of the fan to be detected in a detection mode. The protective cover can play a role in protecting the fan in the process of rotating at a high speed.

In some embodiments, the detection platform is provided with a guide rail, the bottom of the protection cover is provided with a sliding block, and the protection cover is slidably arranged on the guide rail through the sliding block. The protective cover adopts a guide rail sliding block structure, and has simple structure and is convenient for push-pull operation.

In some embodiments, the device further comprises a code scanning device, the code scanning device is arranged on the rack, a label is arranged on the fan to be tested, and the code scanning device is used for identifying the label on the fan to be tested. And acquiring information of the fan to be tested through code scanning, so that the detection data corresponds to the fan to be tested.

In some embodiments, the fan detection device further comprises a display device, wherein the display device is arranged on the rack and is used for displaying the weight, the jumping size and the dynamic balance amount of the fan to be detected, which are obtained through detection. The display device can intuitively display various test data in real time.

In some embodiments, the rack is provided with a first cabinet body and a second cabinet body which are adjacent to each other, the upper surface of the first cabinet body forms the detection platform, the dynamic balance testing device is arranged in the first cabinet body, and the second cabinet body is internally provided with a master control device and a display device. The frame adopts the cabinet body setting, plays certain guard action.

In some embodiments, the bottom of the frame is provided with a plurality of supporting feet, and the supporting feet are provided with a height adjusting mechanism for adjusting the height of the supporting feet. Through the supporting legs of adjustable height, guarantee testing platform level setting.

In the embodiment, the fan detection equipment can realize all measurement of multiple groups of data through one piece, improves the test efficiency, reduces the damage risk caused by multiple pieces of the fan, reduces the labor cost, can realize all data measurement by only one piece, can realize automatic measurement of the diameter and the height of a product through the first ranging mechanism and the second ranging mechanism, has high measurement accuracy, avoids errors of manual measurement readings, and improves the accuracy of the measured data.

Drawings

FIG. 1 illustrates a schematic diagram of a fan detection apparatus according to some embodiments;

FIG. 2 illustrates a schematic diagram of a fan mounted on a fan detection apparatus according to some embodiments;

FIG. 3 illustrates a schematic diagram of a fan detection apparatus, according to some embodiments, without a protective cover;

FIG. 4 illustrates a schematic diagram of a fan mounting shaft and weight detection device according to some embodiments;

FIG. 5 illustrates a schematic diagram of a front structure of a fan under test in a fan detection apparatus according to some embodiments;

FIG. 6 illustrates a schematic diagram of a back side structure of a fan under test in a fan detection apparatus according to some embodiments;

FIG. 7 illustrates a schematic diagram of a non-slip cover over a fan under test for a fan detection apparatus according to some embodiments;

FIG. 8 shows a partial enlarged view at A of FIG. 7;

FIG. 9 illustrates a schematic bottom view of a fan detection apparatus according to some embodiments;

FIG. 10 shows a partial enlarged view at B in FIG. 9;

Reference numerals illustrate:

1-a fan to be tested, 11-fan blades, 12-hubs, 13-labels and 14-balance weight mounting grooves;

100-frames, 110-first cabinets, 120-second cabinets and 130-detection platforms;

200-dynamic balance testing device, 210-fan mounting shaft, 211-rotating shaft, 2111-step part and 212-rotating shaft mounting seat;

300-weight detecting means;

400-jitter detection device, 410-first ranging mechanism, 411-first grating transmitter, 412-first grating receiver, 420-second ranging mechanism, 421-second grating transmitter, 422-second grating receiver;

500-master control device;

600-display device;

700-shield, 710-slider, 720-guide rail, 730-stopper;

800-code scanning device;

900-support feet, 910-foot supports, 920-bolts, 930-height adjustment nuts.

Detailed Description

For the purposes of making the objects and embodiments of the present utility model more apparent, an exemplary embodiment of the present utility model will be described in detail below with reference to the accompanying drawings in which exemplary embodiments of the present utility model are illustrated, it being apparent that the exemplary embodiments described are only some, but not all, of the embodiments of the present utility model.

It should be noted that the brief description of the terminology in the present utility model is for the purpose of facilitating understanding of the embodiments described below only and is not intended to limit the embodiments of the present utility model. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.

The terms first, second, third and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar or similar objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.

The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

Referring to fig. 1 to 10, a fan detecting apparatus according to some embodiments of the present utility model includes a rack 100, a dynamic balance testing device 200, a weight detecting device 300, a runout detecting device 400, and a general control device 500.

The rack 100 is provided with a detection platform 130, and the detection platform 130 is used for placing the fan 1 to be detected so as to perform various detections on the fan 1 to be detected.

The dynamic balance testing device 200 is disposed on the frame 100, and the dynamic balance testing device 200 includes a testing device body, a fan mounting shaft 210, and a driving mechanism for driving the fan mounting shaft 210 to rotate.

The testing device main body is disposed below the testing platform 130, and the testing device main body is an existing dynamic balance tester main body, and the specific structure thereof will not be described in detail.

The fan mounting shaft 210 protrudes upward and is located on the inspection platform 130. The fan 1 to be tested is mounted on the fan mounting shaft 210. The driving mechanism drives the fan mounting shaft 210 and the fan 1 to be tested to rotate, and the testing device main body can detect the dynamic balance amount of the fan 1 to be tested.

The weight detecting device 300 is disposed on the fan mounting shaft 210, and can detect the weight of the fan 1 to be tested when the fan 1 to be tested is mounted on the fan mounting shaft 210.

The jump detecting device 400 is disposed on the rack 100, and is used for detecting the jump size of the fan 1 to be detected.

Specifically, the runout can be further divided into end runout and radial runout according to the measured elements.

Thus, the jitter detection apparatus 400 specifically includes a first ranging mechanism 410 and a second ranging mechanism 420.

The first distance measuring mechanism 410 is used for measuring the height of the fan blade 11 after the fan 1 to be measured rotates to obtain the runout size of the end face, and the second distance measuring mechanism 420 is used for measuring the diameter size of the fan blade 11 after the fan 1 to be measured rotates to obtain the radial runout size.

The dynamic balance testing device 200, the weight detecting device 300 and the runout detecting device 400 are connected with the master control device 500, and the master control device 500 can control the start and stop of the whole testing system and process and store measurement data.

In some embodiments of the present application, the master control device 500 is an industrial personal computer.

The fan detection device can realize all measurement of multiple groups of data through one piece, improves the test efficiency, reduces the damage risk caused by multiple pieces of fan assembly, reduces the labor cost, can realize all data measurement by only one piece assembly, can realize automatic measurement of the diameter and the height of a product through the first ranging mechanism 410 and the second ranging mechanism 420, has high measurement accuracy, avoids errors of manual measurement readings, and improves the accuracy of the measured data.

In some embodiments of the present application, referring to fig. 3, the first ranging mechanism 410 is a measurement grating, and includes a first grating transmitter 411 for transmitting light, and a first grating receiver 412 for receiving light emitted from the first grating transmitter 411.

The first grating emitter 411 and the first grating receiver 412 are elongated or long tubular.

The first grating emitter 411 and the first grating receiver 412 are vertically disposed, and are disposed on two sides, such as left and right sides or front and rear sides, of the radial direction of the fan 1 to be tested.

The first grating emitters 411 generate a light array at fixed intervals along the length direction, a light curtain is formed between the first grating emitters 411 and the first grating receivers 412, a covering surface formed by the fan 1 to be tested in the rotation process can shield the light curtain formed between the first grating emitters 411 and the first grating receivers 412, a controller can read shielding quantity and finally convert the shielding quantity into height dimension data, and the end face jumping dimension of the fan 1 to be tested is obtained.

In some embodiments of the present application, the second ranging mechanism 420 is a measurement grating, including a second grating transmitter 421 for transmitting light, and a second grating receiver 422 for receiving light transmitted by the second grating transmitter 421.

The second grating transmitter 421 and the second grating receiver 422 are elongated or long tubular.

The second grating emitter 421 and the second grating receiver 422 are horizontally disposed and correspondingly disposed on the upper side and the lower side of the blade 11 of the fan 1 to be tested.

The second grating emitters 421 generate a light array at fixed intervals along the length direction, a light curtain is formed between the second grating emitters 421 and the second grating receivers 422, the covering surface formed by the fan 1 to be tested in the rotation process can shield the light curtain formed between the second grating emitters 421 and the second grating receivers 422, and the controller can read the shielding amount and finally convert the shielding amount into diameter size data to obtain the radial runout size of the fan 1 to be tested.

In some embodiments of the present application, the weight detection device 300 includes a weight sensor.

Referring to fig. 4, the fan mounting shaft 210 includes a rotation shaft 211 and a rotation shaft mounting seat 212, the rotation shaft 211 having a step portion 2111 for abutting against the fan 1 to be tested, and a weight sensor is provided on an end face of the step portion 2111. When the fan 1 to be tested is mounted on the rotating shaft 211, the weight sensor is abutted against the step portion 2111, and the weight sensor can detect the weight of the fan 1 to be tested.

As shown in fig. 7, in some embodiments of the application, the fan detection apparatus further includes a canopy 700.

The cover 700 is used for covering the outside of the fan 1 to be tested during detection. In the detection process, the fan blades are easy to hurt people when the fan rotates, and the protective cover 700 can play a role in protecting people from hurting people by the blades rotating at high speed.

The cover 700 may be made of transparent or semitransparent material, so that a tester can observe the state of the fan 1 to be tested in real time during the testing process.

The cover 700 is slidably disposed on the detection platform 130. When the protective cover 700 slides to one side, the fan 1 to be tested can be placed and installed, and when the fan 1 to be tested is tested, the protective cover 700 can be slidingly covered on the fan 1 to be tested for protection.

Referring to fig. 8, two guide rails 720 are provided on the detection platform 130, and a plurality of sliding blocks 710 are correspondingly provided on two sides of the bottom of the protection cover 700, and the protection cover 700 can be slidably provided on the guide rails 720 through the sliding blocks 710, so that the protection cover 700 can be smoothly pushed and pulled on the detection platform 130.

The outermost side of the detection platform 130 and the tail end of the guide rail may be provided with a stop member 730 for limiting the abutment with the protection cover 700, so as to prevent the anti-slip cover from being separated from the detection platform 130.

In some embodiments of the present application, the fan detection apparatus further includes a code scanning apparatus 800.

The code scanning device 800 is disposed on the rack 100, the fan 1 to be tested is provided with a tag 13, and the code scanning device 800 is used for identifying the tag 13 on the fan 1 to be tested.

The label 13 on the fan 1 to be tested can be a bar code, a two-dimensional code, an electronic tag (RFID), etc.

Before fan detection, the information of the fan 1 to be detected is identified and acquired by the code scanning device 800, and the information of the fan 1 to be detected is transmitted to the master control device 500 for storage.

In some embodiments, the fan detection apparatus further comprises a display apparatus 600. The display device 600 is a display.

The display device 600 is disposed on the rack 100, and is used for displaying information of the fan 1 to be tested and detecting data such as weight, jumping size and dynamic balance of the fan 1 to be tested. By arranging the display, various test data can be visually displayed in real time.

As shown in fig. 7, the rack 100 has adjacent first and second cabinets 110 and 120.

The upper surface of the first cabinet 110 forms a detection platform 130, and the dynamic balance testing device 200 may be disposed in the first cabinet 110 or the first cabinet may be used as a housing of the dynamic balance testing device 200.

The second cabinet 120 is disposed on the left side or the right side of the first cabinet 110, and the master control device 500 and the display device 600 may be disposed in the second cabinet 120. The frame adopts the cabinet body to set up, and each part device can set up in the internal portion of cabinet, plays certain guard action.

As shown in fig. 9, in order to adjust the levelness of the detection platform 130, and ensure the accuracy of detection, a plurality of supporting feet 900 are further disposed at the bottom of the frame 100, the supporting feet 900 have a height adjusting mechanism, and the supporting feet 900 can adjust the height of the supporting feet 900 through the height adjusting mechanism, thereby adjusting the height of the device.

Specifically, referring to fig. 10, the support leg 900 includes a foot support member 910, the height adjusting mechanism includes a bolt 920, a height adjusting nut 930 engaged with the bolt 920, the foot support member 910 is fixed to the bottom of the bolt 920, the bottom surface of the frame 100 is supported on the height adjusting nut 930, and the height of the apparatus can be adjusted by adjusting the height of the height adjusting nut 930 up and down.

In other embodiments of the present application, a level detection device may be further disposed on the rack 100 to detect whether the detection platform 130 is in a level state.

In other embodiments of the present application, the fan detection apparatus may further be provided with an alarm device, and when the dynamic balance of the product is tested, an alarm message may be sent out by the buzzer and the indicator lamp to alert the inspector when the dynamic balance is not satisfactory or other abnormal conditions occur.

In other embodiments of the present application, the hub 12 of the fan is provided with a weight mounting groove 14 for mounting a weight (not shown), and dynamic balance test is performed by adding or removing weights or replacing weights of different weights.

The fan detection device of the application specifically comprises the following stages:

In the first stage, a power switch is turned on, the fan testing equipment is turned on, and all devices enter a state to be detected.

In the second stage, the fan to be detected is taken, and the label 13 on the fan 1 to be detected is scanned by the code scanning device 800, so that the information of the fan 1 to be detected is transmitted to the system.

In the third stage, the protective cover 700 is opened, the fan 1 to be tested is mounted on the fan mounting shaft 210, the protective cover 700 is closed, the weight detection device 300 measures and acquires the weight data of the fan 1 to be tested, the weight data is transmitted to the display, and the weight data is automatically recorded on the fan corresponding to the upper-stage scanning code in the system.

In the fourth stage, the test system of the dynamic balance test device 200 is started, and the fan 1 to be tested starts to rotate. The runout detecting device 400 measures the end runout size and the radial runout size of the fan, transmits the runout size data to the display, and automatically records the runout size data to the fan corresponding to the second-stage scanning code in the system.

In the fifth stage, the dynamic balance testing device 200 obtains the dynamic balance of the fan 1 to be tested. And increasing or decreasing the balance weight of the fan 1 to be tested according to the actually measured dynamic balance weight until the dynamic balance weight of the product meets the requirement.

And in the sixth stage, after the product is finally qualified in measurement, taking the fan off and packaging, and if the product is unqualified in measurement, placing the product in a suspicious material area for evaluation.

It should be noted that the above embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present utility model.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. The illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A fan detection apparatus, comprising:

The rack is provided with a detection platform;

2. The fan detection apparatus as claimed in claim 1, wherein the first ranging mechanism includes a first grating emitter for emitting light, and a first grating receiver for receiving the light emitted from the first grating emitter, and the first grating emitter and the second grating receiver are vertically disposed and correspondingly disposed at two sides of the fan to be detected.

3. The fan detection apparatus according to claim 1, wherein the second distance measuring mechanism includes a second grating emitter for emitting light, and a second grating receiver for receiving the light emitted from the second grating emitter, and the second grating emitter and the second grating receiver are horizontally disposed and correspondingly disposed on the upper side and the lower side of the blade of the fan to be detected.

4. The apparatus of claim 1, wherein the weight detecting device comprises a weight sensor, the fan mounting shaft comprises a shaft and a shaft mounting seat, the shaft has a step portion for abutting against a fan to be tested, and the weight sensor is disposed on an end face of the step portion.

5. The fan detection apparatus of claim 1, further comprising a protective cover slidably disposed on the detection platform, the protective cover being configured to cover an outside of the fan under test during detection.

6. The fan detection apparatus of claim 5, wherein a guide rail is provided on the detection platform, a slider is provided at a bottom of the protection cover, and the protection cover is slidably disposed on the guide rail through the slider.

7. The fan detection apparatus according to claim 1, further comprising a code scanning device disposed on the frame, wherein a label is disposed on the fan to be detected, and the code scanning device is used for identifying the label on the fan to be detected.

8. The fan detecting apparatus as claimed in claim 1, further comprising a display device provided on the frame for displaying the detected weight, the jumping size and the dynamic balance amount of the fan to be detected.

9. The fan detection apparatus of claim 8, wherein the frame has a first cabinet and a second cabinet adjacent to each other, the upper surface of the first cabinet forms the detection platform, the dynamic balance testing device is disposed in the first cabinet, and the second cabinet is internally provided with a master control device and a display device.

10. The fan detecting apparatus as claimed in claim 1, wherein the frame bottom is provided with a plurality of supporting legs having a height adjusting mechanism for adjusting the height of the supporting legs.