Rotation noise detection device based on fan detection

Abstract

The utility model relates to the field of noise detection, in particular to a rotation noise detection device based on fan detection. The technical problems that an existing rotation noise detection device based on fan detection can only be used for installation and detection of a fan with a fixed size and can only detect noise at fan blades, the influence of an overall structure such as a shell on the noise in actual use is neglected, the detection effect is limited, and the detection efficiency is low are solved. Compared with a traditional rotation noise detection device based on fan detection, the rotation noise detection device comprises the installation assembly, the first detection assembly, the second detection assembly, the third detection assembly, the connecting line and the fan, the adjustable clamping blocks are arranged to clamp and fix the fan, so that the clamping blocks can be used for fixing fans of different sizes, and the detection efficiency is improved. Through mutual cooperation of the first detection assembly, the second detection assembly and the third detection assembly, all-directional noise detection can be carried out on the fan and the periphery of the shell of the fan, and therefore the detection result is more accurate.

Description

Technical Field

[0001] The utility model relates to the field of noise detection, in particular to a rotation noise detection device based on fan detection. Background Art

[0002] A fan is a tool or device used to generate artificial airflow. It is widely used in homes, classrooms, offices, shops, hospitals, hotels and other places. It is mainly used for cooling down and circulating air. The fan works on the principle of air flow. After power is supplied to the motor, the motor generates a magnetic field to drive the fan blades to rotate. As the fan blades rotate, the surrounding air is sucked into the fan, and after acceleration and turning, it is discharged from the fan, thereby achieving the effect of ventilation. During the production and testing of fans, in order to ensure the quality of fan products, optimize user experience, provide a basis for the design and improvement of fans, enhance market competitiveness, and prevent and diagnose faults, the noise is usually detected. The rotation noise detection device based on fan detection is a special device for accurately measuring the noise generated when the fan rotates. The existing rotation noise detection device based on fan detection can usually only be used for installation and testing of fans of fixed sizes, and usually only the noise at the fan blades is detected, ignoring the influence of the overall structure such as the shell on the noise in actual use, resulting in limitations in the detection effect. Utility Model Content

[0003] In order to overcome the existing rotational noise detection device based on fan detection, it can usually only be used for installation detection of fans of fixed size, and usually only detects the noise at the fan blades, ignoring the influence of the overall structure such as the shell on the noise in actual use, resulting in limitations in the detection effect.

[0004] The technical solution of the utility model is: a rotation noise detection device based on fan detection, including a mounting component, a first detection component, a second detection component, a third detection component, a connecting line and a fan, the inner wall of the mounting component is surrounded by four groups of first detection components for detecting the side noise of the fan, the front end of the mounting component is provided with a second detection component for detecting the front end noise of the fan, the rear end inner wall of the mounting component is provided with a third detection component for detecting the rear end noise of the fan, and the first detection component and the second detection component are both electrically connected to the third detection component through the connecting line.

[0005] Preferably, the fan is clamped and fixed by setting an adjustable clamp block, so that the clamp block can be used to fix fans of different sizes, and the first detection component, the second detection component and the third detection component are arranged to cooperate with each other to perform all-round noise detection on the fan and the surrounding of its casing, so that the detection result is more accurate, and the first detection component and the second detection component are electrically connected to the data processing module by setting a connecting line, so that the data processing module can summarize and analyze the noise data of all detected different parts, thereby facilitating a comprehensive evaluation of the rotation noise of the fan, thereby better judging the performance of the fan and improving the detection efficiency.

[0006] Preferably, the mounting assembly includes a mounting cover, an electric push rod, a telescopic cylinder, a clamp block, a protective pad, a support column and a support seat. Four groups of electric push rods for controlling the movement of the clamp block are arranged around the inner wall of the mounting cover. The telescopic cylinder is provided with an output shaft. The output shaft of the telescopic cylinder passes through the outer side of the mounting cover and extends to the inner side to control the movement of the electric push rod. The end of the electric push rod away from the telescopic cylinder is fixedly connected with a clamp block for clamping and fixing the fan. The ends of the four groups of clamp blocks that are close to each other are fitted with protective pads for protecting the fan. By setting the telescopic cylinder, the electric push rod can be controlled to drive the clamp block to move to adjust the spacing between the four groups of clamp blocks, so that the clamp block can be adapted to fans of different sizes. By setting the protective pad to protect the fan, it can be avoided that the clamping force of the clamp block is too large and the fan is clamped and damaged.

[0007] Preferably, four groups of first mounting holes for installing the first detection component are opened around the outer side of the mounting cover, two groups of support columns for supporting the mounting cover are fixedly installed in a relative manner at the lower end of the mounting cover, the lower ends of the support columns are fixedly connected with support seats for increasing stability, second mounting holes for installing the fixed support seats are opened around the four corners of the upper end of the support seats, and a magnetic suction groove for magnetic attraction with the second detection component is opened in the middle position of the right front end of the mounting cover. By setting the magnetic suction groove and the second detection component to be magnetically attracted to each other, the stability of the second detection component can be maintained during the detection process, and the connection by magnetic attraction makes it easy to open and close.

[0008] Preferably, the first detection component includes a first noise sensor and a first data acquisition module. Four groups of first noise sensors are arranged on the inner wall of the mounting cover. The first data acquisition module is arranged around the outer side of the mounting cover to match the first noise sensor. The first noise sensor and the first data acquisition module are electrically connected through a transmission line. By surrounding the four groups of first noise sensors, the outer side noise of the fan is detected, making the detection more comprehensive.

[0009] Preferably, the second detection component includes a mounting plate, a first wind collecting hood, a second noise sensor, a third noise sensor, a first connecting plate, a second connecting plate, a magnetic block and a second data acquisition module; a first wind collecting hood for collecting wind is fixedly mounted on one end of the mounting plate close to the mounting component; a second noise sensor for detecting the noise at the front end of the fan is fixedly mounted in the middle of the first wind collecting hood; a plurality of third noise sensors for further detecting the noise at the front end of the fan are arranged around the inner side of the first wind collecting hood; a second data acquisition module for receiving detection data is fixedly mounted in the middle of one end of the mounting plate away from the mounting component; the third noise sensor and the second noise sensor are electrically connected to the second data acquisition module via a transmission line; and by setting the first wind collecting hood, the wind at the air outlet at the front end of the fan can be more concentrated, so that the second noise sensor and the third noise sensor can more easily receive the noise at the air outlet.

[0010] Preferably, a first connecting plate for rotationally connecting to the mounting assembly is provided at the left end of the mounting plate, a second connecting plate for magnetically connecting to the mounting assembly is provided at the right end of the mounting plate, and a magnetic block for magnetic attraction to the magnetic groove is fixedly connected to one end side of the second connecting plate close to the mounting assembly.

[0011] Preferably, the third detection component includes a second air collecting hood, a fourth noise sensor and a data processing module. A fourth noise sensor for detecting the noise at the rear end of the fan is fixedly installed in the middle position at the bottom of the second air collecting hood. A data processing module for receiving detection data of the fourth noise sensor and summarizing and analyzing the detection data of the first detection component and the second detection component is fixedly installed at the rear end of the installation component corresponding to the second air collecting hood. The data processing module is electrically connected to the fourth noise sensor through a transmission line. By setting up the data processing module, the noise data of all detected different parts can be summarized and analyzed, thereby facilitating a comprehensive evaluation of the rotation noise of the fan.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional rotation noise detection device based on fan detection, it can usually only be used for installation detection of fans of fixed size, and usually only detects the noise at the fan blades, ignoring the influence of the overall structure such as the shell on the noise in actual use, resulting in limitations in the detection effect. By setting an adjustable clamp to clamp and fix the fan, the clamp can be used to fix fans of different sizes. By setting a telescopic cylinder, the electric push rod can be controlled to drive the clamp to move to adjust the spacing between the four groups of clamps, so that the clamp can be adapted to fans of different sizes. By setting the first detection component, the second detection component and the third detection component to cooperate with each other, the fan and its shell can be fully detected. Noise around the side of the fan shell can be detected by surrounding four groups of first detection components. The first noise sensor can be used to detect noise, and the first data acquisition module can be used to collect noise data detected by the first noise sensor.

[0014] By setting the second detection component, the noise at the air outlet at the front end of the fan can be detected, and by setting the first wind collecting cover, the wind at the air outlet at the front end of the fan can be more concentrated, so that the second noise sensor and the third noise sensor can more easily receive the noise at the air outlet, and by setting the second data acquisition module, the noise data detected at the air outlet can be collected, and by setting the third detection component, the noise at the rear end of the fan can be detected, and by setting the second wind collecting cover, the noise generated at the rear end can be more easily detected by the fourth noise sensor, and by setting a data processing module electrically connected to the fourth noise sensor, it can be used to collect the noise data detected by the fourth noise sensor, and by setting a connecting line, the first detection component and the second detection component are electrically connected to the data processing module, so that the data processing module can summarize and analyze all the noise data detected in different parts, so as to facilitate the comprehensive evaluation of the rotation noise of the fan, so as to better judge the performance of the fan and improve the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 What is shown is the overall schematic diagram of the rotation noise detection device based on fan detection of the utility model;

[0016] Figure 2 Shown is an exploded schematic diagram of a rotation noise detection device based on fan detection of the utility model;

[0017] Figure 3 Shown is a schematic diagram of the installation components in the rotation noise detection device based on fan detection of the utility model;

[0018] Figure 4Shown is a schematic diagram of a first detection component in a rotation noise detection device based on fan detection of the utility model;

[0019] Figure 5 Shown is a schematic diagram of the second detection component in the rotation noise detection device based on fan detection of the utility model;

[0020] Figure 6 Shown is a schematic diagram of a second data acquisition module in the rotation noise detection device based on fan detection of the utility model;

[0021] Figure 7 Shown is a schematic diagram of a third detection component in the rotation noise detection device based on fan detection of the utility model;

[0022] Figure 8 Shown is a schematic diagram of a data processing module in a rotation noise detection device based on fan detection of the present invention.

[0023] Explanation of the accompanying drawings: 1. Installation component; 2. First detection component; 3. Second detection component; 4. Third detection component; 5. Connecting wire; 6. Fan; 101. Installation cover; 102. Electric push rod; 103. Telescopic cylinder; 104. Clamp block; 105. Protection pad; 106. First installation hole; 107. Support column; 108. Support seat; 109. Second installation hole; 110. Magnetic suction groove; 201. First noise sensor; 202. First data acquisition module; 301. Installation plate; 302. First wind collecting cover; 303. Second noise sensor; 304. Third noise sensor; 305. First connecting plate; 306. Second connecting plate; 307. Magnetic suction block; 308. Second data acquisition module; 401. Second wind collecting cover; 402. Fourth noise sensor; 403. Data processing module. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-2 The utility model provides an embodiment: a rotation noise detection device based on fan detection, including an installation component 1, a first detection component 2, a second detection component 3, a third detection component 4, a connecting line 5 and a fan 6, the inner wall of the installation component 1 is surrounded by four groups of first detection components 2 for detecting the side noise of the fan 6, the front end of the installation component 1 is provided with a second detection component 3 for detecting the front end noise of the fan 6, the rear end inner wall of the installation component 1 is provided with a third detection component 4 for detecting the rear end noise of the fan 6, and the first detection component 2 and the second detection component 3 are both electrically connected to the third detection component 4 through the connecting line 5.

[0026] See also Figure 3 In this embodiment, the mounting assembly 1 includes a mounting cover 101, an electric push rod 102, a telescopic cylinder 103, a clamping block 104, a protective pad 105, a support column 107 and a support seat 108. Four groups of electric push rods 102 for controlling the movement of the clamping block 104 are arranged around the inner wall of the mounting cover 101. The telescopic cylinder 103 is provided with an output shaft. The output shaft of the telescopic cylinder 103 passes through the outer side of the mounting cover 101 and extends to the inner side to control the movement of the electric push rod 102. The end of the electric push rod 102 away from the telescopic cylinder 103 is fixedly connected with a clamping block 104 for clamping and fixing the fan 6. The ends of the four groups of clamping blocks 104 that are close to each other are fitted with a protective pad 105 for protecting the fan 6. By setting the telescopic cylinder 103, the electric push rod 102 can be controlled to drive the clamping block 104 to move to adjust the distance between the four groups of clamping blocks 104, so that the clamping block 104 can be adjusted with fans of different sizes. The fan 6 is adapted, and a protective pad 105 is provided to protect the fan 6 to prevent the clamping force of the clamping block 104 from being too large and clamping the fan 6. Four groups of first mounting holes 106 for installing the first detection component 2 are provided around the outer side of the mounting cover 101, and two groups of support columns 107 for supporting the mounting cover 101 are relatively fixedly installed at the lower end of the mounting cover 101. The lower ends of the support columns 107 are fixedly connected with a support seat 108 for increasing stability. Second mounting holes 109 for installing and fixing the support seat 108 are provided around the four corners of the upper end of the support seat 108. A magnetic suction groove 110 for magnetic attraction with the second detection component 3 is provided in the middle position of the right front end of the mounting cover 101. By providing the magnetic suction groove 110 and magnetic attraction with the second detection component 3, its stability can be maintained during the detection of the second detection component 3, and the connection by magnetic attraction makes it easy to open and close.

[0027] See also Figure 4 In this embodiment, the first detection component 2 includes a first noise sensor 201 and a first data acquisition module 202. Four groups of first noise sensors 201 are arranged on the inner wall of the mounting cover 101. The first data acquisition module 202 is arranged around the outer side of the mounting cover 101 to match the first noise sensor 201. The first noise sensor 201 and the first data acquisition module 202 are electrically connected through a transmission line. By surrounding the four groups of first noise sensors 201, the outer side noise of the fan 6 is detected, so that the detection is more comprehensive.

[0028] See also Figure 5-6In this embodiment, the second detection component 3 includes a mounting plate 301, a first wind collecting cover 302, a second noise sensor 303, a third noise sensor 304, a first connecting plate 305, a second connecting plate 306, a magnetic block 307 and a second data acquisition module 308. The first wind collecting cover 302 for collecting wind is fixedly installed at one end of the mounting plate 301 close to the mounting component 1, and the second noise sensor 303 for detecting the front end noise of the fan 6 is fixedly installed in the middle of the first wind collecting cover 302. A plurality of groups of third noise sensors 304 for further detecting the front end noise of the fan 6 are arranged around the inner side of the first wind collecting cover 302. A third noise sensor 304 for further detecting the front end noise of the fan 6 is fixedly installed in the middle of the end of the mounting plate 301 away from the mounting component 1. The second data acquisition module 308 for collecting detection data, the third noise sensor 304 and the second noise sensor 303 are all electrically connected to the second data acquisition module 308 through a transmission line. By setting the first wind collecting cover 302, the wind at the front air outlet of the fan 6 can be more concentrated, so that the second noise sensor 303 and the third noise sensor 304 can more easily receive the noise at the air outlet. The left end of the mounting plate 301 is provided with a first connecting plate 305 for rotatably connecting to the mounting component 1, and the right end of the mounting plate 301 is provided with a second connecting plate 306 for magnetically connecting to the mounting component 1. The second connecting plate 306 is fixedly connected to one end side close to the mounting component 1 with a magnetic block 307 for magnetic attraction to the magnetic groove 110.

[0029] See also Figure 7-8 In this embodiment, the third detection component 4 includes a second air collecting cover 401, a fourth noise sensor 402 and a data processing module 403. The fourth noise sensor 402 for detecting the noise at the rear end of the fan 6 is fixedly installed at the middle position of the bottom of the second air collecting cover 401. The data processing module 403 for receiving the detection data of the fourth noise sensor 402 and summarizing and analyzing the detection data of the first detection component 2 and the second detection component 3 is fixedly installed at the position corresponding to the second air collecting cover 401 at the rear end of the installation component 1. The data processing module 403 is electrically connected to the fourth noise sensor 402 through a transmission line. By setting the data processing module 403, the noise data of all detected different parts can be summarized and analyzed, thereby facilitating a comprehensive evaluation of the rotation noise of the fan 6.

[0030] When working, first pull the second connecting plate 306 of the second detection component 3, pull the magnetic block 307 out of the magnetic groove 110, and open the mounting plate 301 of the second detection component 3;

[0031] Then, the fan 6 is mounted and fixed on the mounting assembly 1, and the fan 6 is placed between the four groups of clamping blocks 104. The electric push rod 102 is controlled by the telescopic cylinder 103 to drive the clamping blocks 104 to move, so that the four groups of clamping blocks 104 clamp the outer side of the fan 6 until the protective pad 105 is tightly fitted with the outer side of the fan 6.

[0032] Then, the fan 6 is turned on to rotate, and the mounting plate 301 for mounting the second detection assembly 3 is closed, so that the magnetic attraction block 307 is magnetically attracted to the magnetic attraction groove 110;

[0033] Then, the first detection component 2, the second detection component 3 and the third detection component 4 respectively detect the noise at the side and the front and rear ends of the fan 6;

[0034] Finally, the noise data detected by each component is transmitted to the data processing module 403 via the connecting line 5, and all the detection data are summarized and analyzed by the data processing module 403.

[0035] Through the above steps, the staff first pulls the second connecting plate 306 of the second detection component 3, pulls the magnetic block 307 out of the magnetic groove 110, opens the mounting plate 301 of the second detection component 3, and then installs and fixes the fan 6 on the mounting component 1, places the fan 6 between the four groups of clamps 104, controls the electric push rod 102 through the telescopic cylinder 103 to drive the clamp 104 to move, so that the four groups of clamps 104 clamp the outside of the fan 6 until the protective pad 105 is tightly fitted with the outside of the fan 6, and clamps and fixes the fan 6 by setting an adjustable clamp 104, so that the clamp 104 can be used to fix fans 6 of different sizes, and then opens the fan 6 to make it rotate, and closes the mounting plate 301 for installing the second detection component 3, so that the magnetic block 307 and the magnetic The slots 110 are magnetically attracted together, and then the first detection component 2, the second detection component 3 and the third detection component 4 are used to detect the noise on the sides and the front and rear ends of the fan 6 respectively. Finally, the noise data detected by each component is transmitted to the data processing module 403 through the connecting line 5. All the detection data are summarized and analyzed by the data processing module 403. By setting the first detection component 2, the second detection component 3 and the third detection component 4 to cooperate with each other, the fan 6 and the surrounding of its casing can be fully detected, so that the detection result is more accurate. By setting the data processing module 403 to summarize and analyze all the noise data detected in different parts, it is convenient to comprehensively evaluate the rotation noise of the fan 6, so as to better judge the performance of the fan 6 and improve the detection efficiency.

[0036] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A rotation noise detection device based on fan detection, comprising a mounting assembly (1); characterized in that: The installation component (1) also includes a first detection component (2), a second detection component (3), a third detection component (4), a connecting line (5) and a fan (6); four groups of first detection components (2) for detecting the side noise of the fan (6) are arranged around the inner wall of the installation component (1); a second detection component (3) for detecting the front noise of the fan (6) is arranged at the front end of the installation component (1); a third detection component (4) for detecting the rear noise of the fan (6) is arranged at the inner wall of the rear end of the installation component (1); and the first detection component (2) and the second detection component (3) are both electrically connected to the third detection component (4) via the connecting line (5).

2. A rotation noise detection device based on fan detection according to claim 1, characterized in that: The mounting assembly (1) comprises a mounting cover (101), an electric push rod (102), a telescopic cylinder (103), a clamping block (104), a protective pad (105), a support column (107) and a support seat (108); four groups of electric push rods (102) for controlling the movement of the clamping block (104) are arranged around the inner wall of the mounting cover (101); an output shaft is arranged on the telescopic cylinder (103); the output shaft of the telescopic cylinder (103) passes through the outer side of the mounting cover (101) and extends to the inner side to control the movement of the electric push rod (102); one end of the electric push rod (102) away from the telescopic cylinder (103) is fixedly connected to a clamping block (104) for clamping and fixing a fan (6); and one end of the four groups of clamping blocks (104) close to each other is fitted with a protective pad (105) for protecting the fan (6).

3. The rotation noise detection device based on fan detection according to claim 2, characterized in that: Four groups of first mounting holes (106) for mounting the first detection component (2) are formed around the outer side of the mounting cover (101); two groups of support columns (107) for supporting the mounting cover (101) are fixedly mounted on the lower end of the mounting cover (101) in an opposite arrangement; a support seat (108) for increasing stability is fixedly connected to the lower end of the support column (107); second mounting holes (109) for mounting the fixed support seat (108) are formed around the four corners of the upper end of the support seat (108); and a magnetic attraction groove (110) for magnetic attraction with the second detection component (3) is formed at the middle position of the right front end of the mounting cover (101).

4. The rotation noise detection device based on fan detection according to claim 1, characterized in that: The first detection component (2) comprises a first noise sensor (201) and a first data acquisition module (202); four groups of the first noise sensors (201) are arranged in contact with the inner wall of the installation cover (101); the first data acquisition module (202) surrounds the outer side of the installation cover (101) and is arranged to match the first noise sensor (201); the first noise sensor (201) and the first data acquisition module (202) are electrically connected via a transmission line.

5. The rotation noise detection device based on fan detection according to claim 1, characterized in that: The second detection component (3) comprises a mounting plate (301), a first wind collecting cover (302), a second noise sensor (303), a third noise sensor (304), a first connecting plate (305), a second connecting plate (306), a magnetic block (307) and a second data acquisition module (308); the first wind collecting cover (302) for collecting wind is fixedly mounted on one end of the mounting plate (301) close to the mounting component (1); the second noise sensor (303) for detecting the front end noise of the fan (6) is fixedly mounted in the middle of the first wind collecting cover (302); a plurality of groups of third noise sensors (304) for further detecting the front end noise of the fan (6) are arranged around the inner side of the first wind collecting cover (302); the second data acquisition module (308) for receiving detection data is fixedly mounted in the middle of one end of the mounting plate (301) away from the mounting component (1); the third noise sensor (304) and the second noise sensor (303) are electrically connected to the second data acquisition module (308) via a transmission line.

6. The rotation noise detection device based on fan detection according to claim 5, characterized in that: A first connecting plate (305) for rotationally connecting to the mounting assembly (1) is provided at the left end of the mounting plate (301), a second connecting plate (306) for magnetically connecting to the mounting assembly (1) is provided at the right end of the mounting plate (301), and a magnetic attraction block (307) for magnetic attraction to the magnetic attraction groove (110) is fixedly connected to one side of the second connecting plate (306) close to the mounting assembly (1).

7. The rotation noise detection device based on fan detection according to claim 1, characterized in that: The third detection component (4) comprises a second air collecting cover (401), a fourth noise sensor (402) and a data processing module (403); a fourth noise sensor (402) for detecting noise at the rear end of the fan (6) is fixedly installed at the middle position of the bottom of the second air collecting cover (401); a data processing module (403) for receiving detection data of the fourth noise sensor (402) and summarizing and analyzing detection data of the first detection component (2) and the second detection component (3) is fixedly installed at a position at the rear end of the installation component (1) corresponding to the second air collecting cover (401); the data processing module (403) is electrically connected to the fourth noise sensor (402) via a transmission line.

Images