A washing machine clutch noise detection mechanism

By introducing horizontal and vertical magnets in the washing machine clutch to cut the magnetic lines of force, real-time detection and analysis of noise is achieved, solving the problem of low detection accuracy in the existing technology and improving the convenience and stability of detection.

CN119595277BActive Publication Date: 2025-09-12JIANGSU LIANDONG BEARING
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Patent Information

Application Number
CN202411727536.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-09-12
Estimated Expiration
2044-11-28

AI Technical Summary

Technical Problem

The existing washing machine clutch noise detection device cannot effectively analyze the noise source, resulting in reduced detection accuracy and affecting the rest and mental health of family members.

Method used

A washing machine clutch noise detection mechanism was designed. Horizontal and vertical magnets slide in corresponding detection housings, cutting magnetic flux lines to generate induced currents that are transmitted to a processor, enabling noise detection and analysis.

Benefits of technology

The convenience and timeliness of noise detection are improved, the detection accuracy is improved, the impact of the noise detection clamping arm on the vibration detection box is reduced, and the stability and service life are enhanced.

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Abstract

The present invention relates to the field of detection technology, specifically a washing machine clutch noise detection mechanism, comprising a rotatably connected vibration detection clamping arm and a noise detection clamping arm, the noise detection clamping arm being provided with a noise detection mechanism, the noise detection mechanism being connected to a processor via a wire; the noise detection clamping arm being provided with a vibration detection housing, the interior of the vibration detection housing being provided with a vibration detection mechanism. During the detection process of the present invention, the clutch vibrates, the horizontal magnet slides inside the horizontal detection housing, and the vertical magnet slides inside the vertical detection housing. Moreover, while the horizontal magnet slides, the horizontal coil cuts the magnetic flux lines, while the vertical magnet slides, the vertical coil cuts the magnetic flux lines, and the generated induced current is transmitted to the processor. Therefore, the source of the noise can be analyzed while the noise is being detected, thereby improving the convenience and timeliness of use and the accuracy of the detection.
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Description

Technical Field

[0001] The invention relates to a noise detection mechanism, in particular to a noise detection mechanism for a washing machine clutch, and belongs to the technical field of detection. Background Art

[0002] The washing machine clutch is located between the washing machine motor and the drum. Through its internal structure, it controls the speed and movement trajectory of the motor, so that the drum moves at a certain speed and direction. During the washing and rinsing stages, the clutch realizes low-speed rotation; during the dehydration stage, it realizes high-speed rotation.

[0003] The noise generated by the washing machine clutch will disturb the tranquility of the home environment, especially at night or when a quiet environment is required. The operating noise of the washing machine may break the peaceful atmosphere of the family and affect the rest and sleep of family members. Being disturbed by the noise of the washing machine clutch for a long time will make people feel uneasy and uncomfortable, especially for the elderly and babies in the family. They are more sensitive to noise, so the operating noise of the washing machine may have a more serious impact on their mental health.

[0004] Therefore, during the production of washing machines, the clutch needs to be tested to detect the clutch noise. The existing detection device does not have a certain analysis function, that is, it is impossible to analyze the noise generated by the clutch vibration during the rotation of the clutch, which leads to a decrease in detection accuracy and the inability to analyze the noise source.

[0005] Therefore, there is an urgent need to improve the noise detection mechanism of the clutch to solve the above-mentioned problems. Summary of the Invention

[0006] The purpose of the present invention is to provide a washing machine clutch noise detection mechanism. During the detection process, the clutch vibrates, the horizontal magnet slides inside the horizontal detection shell, and the vertical magnet slides inside the vertical detection shell. Moreover, while the horizontal magnet slides, the horizontal coil cuts the magnetic lines of flux, and while the vertical magnet slides, the vertical coil cuts the magnetic lines of flux, and the generated induced current is transmitted to the processor. Therefore, the source of the noise can be analyzed while the noise is being detected, thereby improving the convenience and timeliness of use and the accuracy of detection.

[0007] In order to achieve the above objectives, the main technical solutions adopted by the present invention include:

[0008] A washing machine clutch noise detection mechanism includes a vibration detection clamping arm and a noise detection clamping arm that are rotatably connected, a clutch is provided between the vibration detection clamping arm and the noise detection clamping arm, a noise detection slot is provided on the noise detection clamping arm, and a plurality of evenly distributed noise detection mechanisms are provided on the noise detection slot, and the noise detection mechanisms are connected to a processor via wires;

[0009] A vibration detection groove is provided on the noise detection clamping arm, a vibration detection box is provided inside the vibration detection groove, an upper baffle is fixedly provided on the vibration detection groove just above the vibration detection box, a side baffle is provided on a side of the vibration detection box away from the noise detection clamping arm, the side baffle is fixedly provided on the vibration detection clamping arm, and a plurality of electromagnet assemblies are fixedly provided on the side baffle, wherein the electromagnet assemblies are used to fix the vibration detection box when the electromagnet assemblies are not started;

[0010] A detection box placement compartment is formed between the upper baffle, the vibration detection slot, and the side baffles, and the vibration detection box body is arranged inside the detection box placement compartment;

[0011] A vibration detection mechanism is fixedly provided inside the vibration detection box, and the vibration detection mechanism establishes a communication connection with the processor. The vibration detection mechanism includes a ceramic fixing block, vertical detection shells distributed above and below, and horizontal detection shells distributed on both sides. A horizontal coil is fixedly provided inside the horizontal detection shell, and a horizontal magnet is slidably provided inside the horizontal coil.

[0012] A vertical coil is fixedly installed inside the vertical detection shell, and a vertical magnet is movably installed inside the vertical coil. When the vibration detection box moves horizontally or vertically, the horizontal coil or the vertical coil cuts the magnetic lines of force to generate an induced current and transmits it to the processor.

[0013] Preferably, the transverse coil is fixedly arranged on the inner side surface of the transverse detection housing, the transverse magnet is slidably arranged inside the transverse coil, one end of the transverse magnet is connected to a support column, and an end of the support column close to the ceramic fixing block and an end of the transverse magnet away from the ceramic fixing block are both fixedly arranged inside the transverse detection housing via a transverse spring;

[0014] Both ends of the vertical magnet are fixed inside the vertical detection housing through vertical springs;

[0015] When the vibration detection box slides vertically, the vertical magnet is vertically slidably arranged inside the vertical detection shell; when the vibration detection box slides horizontally, the horizontal magnet is horizontally slidably arranged inside the horizontal detection shell.

[0016] Preferably, a fourth magnet is fixedly provided on the upper side of the vibration detection box, and a second magnet corresponding to the fourth magnet is fixedly provided on the lower side of the upper baffle, and the fourth magnet and the side close to the second magnet have the same magnetic pole;

[0017] A third magnet is fixedly provided on the bottom side of the vibration detection box, and a first magnet is fixedly provided on the upper side of the vibration detection slot. The first magnet corresponds to the third magnet, and the first magnet and the third magnet have the same magnetic pole on a side close to each other.

[0018] Preferably, a fifth magnet is fixedly provided on a side surface of the vibration detection box close to the side baffle, and the fifth magnet corresponds to the electromagnet assembly;

[0019] The electromagnet assembly includes an iron core and a conductive coil wound around the iron core, an iron ring is fixedly provided at one end of the iron core, and the iron ring corresponds to the fifth magnet;

[0020] An electromagnet box is provided on the outer side of the iron core, and the electromagnet box is fixedly arranged on the side baffle.

[0021] Preferably, a protective plate is fixedly provided on the noise detection slot, the noise detection mechanism is provided inside the protective plate, a noise detection box is provided inside the noise detection mechanism, a diaphragm is fixedly provided at the port of the noise detection box, a substrate is fixedly provided on one side of the diaphragm, a resistor R1 is connected to the substrate via a battery, and the other end of the resistor R1 is electrically connected to the diaphragm and outputs a signal;

[0022] A hollow partition is fixedly provided at the port of the noise detection box.

[0023] Preferably, a threaded hole is provided at one end of the noise detection mechanism, a support plate is fixedly provided on one side of the protective plate, a threaded column is fixedly provided on one side of the support plate, and the threaded column is connected to the support plate by screwing.

[0024] Preferably, a rubber damping pad is fixedly provided on one side of the vibration detection box, and the rubber damping pad abuts against the clutch.

[0025] Preferably, the inner side surface of the vibration detection clamping arm is provided with an airbag through groove 1, the inner side surface of the noise detection clamping arm is provided with an airbag through groove 2, and airbags are provided inside the airbag through groove 1 and the airbag through groove 2;

[0026] The airbag includes a support ring and an extrusion ring. The support ring is slidably arranged inside the first airbag through groove or the second airbag through groove, and a C-shaped reinforcing rib is fixedly arranged inside the support ring.

[0027] Preferably, an air pump is fixedly provided on the outer side surfaces of the vibration detection clamping arm and the noise detection clamping arm, and the air pump is connected to the airbag.

[0028] Preferably, one end of the vibration detection clamping arm is connected to a rotating support block 1, and the noise detection clamping arm is provided with a rotating support block 2 corresponding to the rotating support block 1, and the rotating support block 1 and the rotating support block 2 are rotatably connected via a rotating shaft;

[0029] A support arm spring is fixedly provided at one end of the rotation support block 1 between the vibration detection clamping arm and the noise detection clamping arm.

[0030] The present invention has at least the following beneficial effects:

[0031] 1. During the detection process, the clutch vibrates, the horizontal magnet slides inside the horizontal detection housing, and the vertical magnet slides inside the vertical detection housing. At the same time as the horizontal magnet slides, the horizontal coil cuts the magnetic flux lines, and at the same time as the vertical magnet slides, the vertical coil cuts the magnetic flux lines, and the generated induced current is transmitted to the processor. Therefore, the source of the noise can be analyzed while detecting the noise, thereby improving the convenience and timeliness of use and the accuracy of the detection.

[0032] 2. A third magnet is fixedly provided on the bottom side surface of the vibration detection box, and a first magnet is fixedly provided on the upper side surface of the vibration detection slot. The first magnet corresponds to the third magnet, and the magnetic poles of the side close to the first magnet and the third magnet are the same. The fourth magnet on the upper side surface of the vibration detection box corresponds to the second magnet, and the third magnet on the lower side surface corresponds to the first magnet. Therefore, the vibration detection box can be suspended between the upper baffle and the vibration detection slot, reducing the impact of the vibration of the noise detection clamping arm on the vibration detection box.

[0033] 3. Airbags are fixedly installed on the inner sides of the vibration detection clamping arm and the noise detection clamping arm, which can increase the friction between the clutch and the noise detection clamping arm and improve the stability of the vibration detection clamping arm and the noise detection clamping arm. The support ring is slidably arranged inside the airbag groove one or the airbag groove two to facilitate the later replacement of the airbag. At the same time, in order to prevent the airbag from falling out of the airbag groove one or the airbag groove two, a C-shaped reinforcement rib is fixedly provided inside the support ring to improve the stability of the airbag.

[0034] 4. The magnetic poles generated by the electromagnet assembly are opposite to those of the vibration detection box, so the vibration detection box can be pushed to one side of the clutch. A rubber damping pad is fixed on one side of the vibration detection box, which is against the clutch. The rubber damping pad on the vibration detection box increases the friction between the clutch and the clutch, and the clutch is tested. In order to prevent the vibration detection box from falling off when not in use, the electromagnet assembly is turned off and adsorbed to the side baffle under the action of magnetic force, thereby improving the stability and service life of the vibration detection box. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0036] Figure 1 A partial cross-sectional view of the present invention Figure 1 ;

[0037] Figure 2 is a cross-sectional view of the vibration detection mechanism of the present invention;

[0038] Figure 3 A perspective view of the present invention;

[0039] Figure 4 The noise detection clamping arm structure of the present invention Figure 1 ;

[0040] Figure 5 The noise detection clamping arm structure of the present invention Figure 2 ;

[0041] Figure 6 This is a structural diagram of the vibration detection clamping arm of the present invention;

[0042] Figure 7 This is a structural diagram of the noise detection mechanism of the present invention;

[0043] Figure 8 is a cross-sectional view of the noise detection mechanism of the present invention;

[0044] Figure 9 This is an electrical schematic diagram of the noise detection mechanism of the present invention;

[0045] Figure 10 is a cross-sectional view of the electromagnet assembly of the present invention;

[0046] Figure 11 It is a top view of the present invention.

[0047] In the figure, 1. vibration detection clamping arm; 101. upper baffle; 102. vibration detection groove; 103. side baffle; 104. airbag through groove 1; 105. rotating support block 1; 106. first magnet; 107. second magnet; 108. detection box placement compartment; 2. noise detection clamping arm; 201. noise detection groove; 202. protective plate; 203. support plate; 204. airbag through groove 2; 205. rotating support block 2; 206. threaded column; 3. noise detection mechanism; 301. diaphragm; 302. substrate; 303. hollow partition; 304. noise detection box; 305. threaded hole; 4. airbag; 401. support ring; 402. Extrusion ring; 403, C-shaped reinforcement rib; 5, electromagnet assembly; 501, iron core; 502, conductor coil; 503, iron ring; 504, electromagnet housing; 6, vibration detection housing; 601, third magnet; 602, fourth magnet; 603, fifth magnet; 604, rubber damping pad; 7, vibration detection mechanism; 701, ceramic fixing block; 702, horizontal detection housing; 703, vertical detection housing; 704, horizontal magnet; 705, horizontal coil; 706, vertical magnet; 707, vertical coil; 708, horizontal spring; 709, support column; 710, vertical spring; 8, air pump; 9, support arm spring; 10, rotating shaft. DETAILED DESCRIPTION

[0048] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0049] like Figures 1-11 As shown, the washing machine clutch noise detection mechanism provided in this embodiment includes a vibration detection clamping arm 1 and a noise detection clamping arm 2 that are rotatably connected. A clutch is provided between the vibration detection clamping arm 1 and the noise detection clamping arm 2. A noise detection slot 201 is provided on the noise detection clamping arm 2. A plurality of evenly distributed noise detection mechanisms 3 are provided on the noise detection slot 201. The noise detection mechanisms 3 are connected to a processor via wires. When testing the clutch of the washing machine, the vibration detection clamping arm 1 and the noise detection clamping arm 2 are opened, and clutches of different diameters are used to increase the range of use. The clutch is then clamped on the clutch and directly tested by the noise detection mechanism 3. The results are then directly transmitted to the processor. The structure is simple and the convenience of use is improved.

[0050] In the process of directly detecting noise, since the vibration of the clutch will also generate noise, the source of the noise can be analyzed through the vibration detection box 6. The vibration detection mechanism 7 is fixedly set inside the vibration detection box 6. The vibration detection mechanism 7 establishes a communication connection with the processor. The vibration detection mechanism 7 includes a ceramic fixed block 701 and vertical detection shells 703 distributed up and down and horizontal detection shells 702 distributed on both sides. The interior of the horizontal detection shell 702 is fixedly provided with a horizontal coil 705, and the interior of the horizontal coil 705 is slidingly provided with a horizontal magnet 704. The interior of the vertical detection shell 703 is fixed. A vertical coil 707 is provided, and a vertical magnet 706 is movably provided inside the vertical coil 707. When the vibration detection box 6 moves horizontally or vertically, the horizontal coil 705 or the vertical coil 707 cuts the magnetic flux lines to generate an induced current and transmits it to the processor. A vibration detection mechanism 7 is fixedly provided inside the vibration detection box 6. The vibration detection mechanism 7 is a cross-shaped structure. The horizontal vibration frequency can be detected through the horizontal detection shell 702, and the vertical vibration frequency can be detected through the vertical detection shell 703. At the same time, two are provided in the horizontal and vertical directions respectively. The average value is obtained during the detection process to improve the detection accuracy.

[0051] During the detection process, due to the vibration of the clutch, the horizontal magnet 704 will slide inside the horizontal detection housing 702, and the vertical magnet 706 will slide inside the vertical detection housing 703. In addition, when the horizontal magnet 704 slides, the horizontal coil 705 cuts the magnetic flux lines, and when the vertical magnet 706 slides, the vertical coil 707 cuts the magnetic flux lines, and the generated induced current is transmitted to the processor.

[0052] Therefore, it is possible to analyze the source of noise while detecting it, improving the convenience and timeliness of use;

[0053] When the clutch is started, in order to avoid unnecessary influence of the noise detection clamping arm 2 on the vibration detection box 6, a detection box placement compartment 108 is formed between the upper baffle 101, the vibration detection groove 102 and the side baffle 103. The vibration detection box 6 is arranged inside the detection box placement compartment 108. During use, the vibration detection box 6 is suspended inside the detection box placement compartment 108 but is in close contact with the clutch. A vibration detection groove 102 is provided on the noise detection clamping arm 2, and the vibration detection box 6 is provided inside the vibration detection groove 102. An upper baffle 101 is fixedly provided on the vibration detection groove 102 just above the vibration detection box 6. A side baffle 103 is provided on the side of the vibration detection box 6 away from the noise detection clamping arm 2. The side baffle 103 is fixedly provided on the vibration detection clamping arm 1. 03 is fixedly provided with a plurality of electromagnet assemblies 5, wherein when the electromagnet assembly 5 is not started, the electromagnet assembly 5 is used to fix the vibration detection box 6. When the vibration detection box 6 is in use, the electromagnet assembly 5 is started. The magnetic pole generated by the electromagnet assembly 5 is opposite to the magnetic pole of the vibration detection box 6, so that the vibration detection box 6 can be pushed to one side of the clutch. A rubber damping pad 604 is fixedly provided on one side of the vibration detection box 6. The rubber damping pad 604 is against the clutch. The friction between the rubber damping pad 604 and the clutch is increased by the rubber damping pad 604 on the vibration detection box 6, and the clutch is tested. In order to prevent the vibration detection box 6 from falling off when not in use, the electromagnet assembly 5 is closed and adsorbed to the side baffle 103 under the action of magnetic force, thereby improving the stability and service life of the vibration detection box 6. Specifically:

[0054] The fourth magnet 602 is fixedly provided on the upper side surface of the vibration detection box 6, and the second magnet 107 corresponding to the fourth magnet 602 is fixedly provided on the lower side surface of the upper baffle 101, and the fourth magnet 602 has the same magnetic pole as the side close to the second magnet 107. The third magnet 601 is fixedly provided on the bottom side surface of the vibration detection box 6, and the first magnet 106 is fixedly provided on the upper side surface of the vibration detection groove 102. The first magnet 106 corresponds to the third magnet 601, and the first magnet 106 has the same magnetic pole as the side close to the third magnet 601. The fourth magnet 602 on the upper side surface of the vibration detection box 6 corresponds to the second magnet 107, and the third magnet 601 on the lower side surface corresponds to the first magnet 106. Therefore, the vibration detection box 6 can be suspended between the upper baffle 101 and the vibration detection groove 102, thereby reducing the influence of the vibration of the noise detection clamping arm 2 on the vibration detection box 6;

[0055] A fifth magnet 603 is fixedly provided on one side of the vibration detection box 6 close to the side baffle 103, and the fifth magnet 603 corresponds to the electromagnet assembly 5. The electromagnet assembly 5 includes an iron core 501 and a wire coil 502 wound on the iron core 501. An iron ring 503 is fixedly provided at one end of the iron core 501, and the iron ring 503 corresponds to the fifth magnet 603. An electromagnet case 504 is provided on the outer side of the iron core 501, and the electromagnet case 504 is fixedly provided on the side baffle 103. The fifth magnet 603 on one side of the vibration detection box 6 corresponds to the electromagnet assembly 5. When in use, the iron core 501 on the electromagnet assembly 5 generates the same magnetism as the fifth magnet 603, and repel each other. When not in use, the magnetism on the iron core 501 disappears, and the fifth magnet 603 is adsorbed on the electromagnet assembly 5, thereby achieving the purpose of fixing the vibration detection box 6. The structure is simple, and the flexibility and convenience of use are improved.

[0056] Further, such as Figure 1 and Figure 2 As shown, the transverse coil 705 is fixedly arranged on the inner side of the transverse detection housing 702, and the transverse magnet 704 is slidably arranged inside the transverse coil 705. One end of the transverse magnet 704 is connected to a support column 709. The end of the support column 709 close to the ceramic fixing block 701 and the end of the transverse magnet 704 away from the ceramic fixing block 701 are both fixed to the inside of the transverse detection housing 702 by a transverse spring 708. One end of the transverse magnet 704 is connected by the support column 709 to increase the mass of the transverse magnet 704, thereby increasing the inertia of the transverse magnet 704 and improving the detection accuracy. One end of the transverse magnet 704 and one end of the support column 709 are fixed by the transverse spring 708. Under the action of the transverse spring 708, the transverse magnet 704 can slide left and right inside the transverse detection housing 702, so that the transverse coil 705 cuts the magnetic flux lines to generate an induced current.

[0057] Both ends of the vertical magnet 706 are fixed inside the vertical detection shell 703 by vertical springs 710. Similarly, the vertical magnet 706 is fixed inside the vertical detection shell 703 by vertical springs 710. Therefore, the vertical magnet 706 can slide inside the vertical detection shell 703 to perform vertical detection. When the vibration detection box 6 slides vertically, the vertical magnet 706 is vertically slid inside the vertical detection shell 703. When the vibration detection box 6 slides horizontally, the horizontal magnet 704 is horizontally slid inside the horizontal detection shell 702.

[0058] Furthermore, Figure 3 and Figure 5As shown, a protective plate 202 is fixedly provided on the noise detection slot 201, and a noise detection mechanism 3 is arranged inside the protective plate 202. A noise detection box 304 is opened inside the noise detection mechanism 3, and a diaphragm 301 is fixedly provided at the port of the noise detection box 304. A substrate 302 is fixedly provided on one side of the diaphragm 301. A resistor R1 is connected to the substrate 302 through a battery, and the other end of the resistor R1 is electrically connected to the diaphragm 301 and then output. A plurality of noise detection mechanisms 3 are fixedly provided on the noise detection slot 201, and the size of the noise is detected by taking the average value. The structure is simple and the detection accuracy is improved. A hollow partition 303 is fixedly provided at the port of the noise detection box 304.

[0059] In addition, in order to improve the flexibility and scope of use, a threaded hole 305 is provided at one end of the noise detection mechanism 3, a support plate 203 is fixedly provided on one side of the protective plate 202, and a threaded column 206 is fixedly provided on one side of the support plate 203. The threaded column 206 is connected to the support plate 203 by a threaded engagement. A threaded hole 305 is provided on the noise detection mechanism 3, and a threaded column 206 is fixedly provided on the protective plate 202. By rotating the noise detection mechanism 3, the position between the noise detection mechanism 3 and the clutch can be adjusted, thereby improving the convenience of use and at the same time increasing the scope of use.

[0060] Furthermore, in order to improve the stability between the vibration detection clamping arm 1 and the noise detection clamping arm 2 and the clutch, as shown in FIG. Figure 1 and Figure 3 As shown, the inner side surface of the vibration detection clamping arm 1 is provided with an airbag through groove 104, and the inner side surface of the noise detection clamping arm 2 is provided with an airbag through groove 204. Airbags 4 are provided inside the airbag through groove 104 and the airbag through groove 204. Airbags 4 are fixedly provided on the inner side surfaces of the vibration detection clamping arm 1 and the noise detection clamping arm 2, which can increase the friction between the clutch and improve the stability of the vibration detection clamping arm 1 and the noise detection clamping arm 2. The airbag 4 includes a support ring 401 and an extrusion ring 402. The support ring 401 is slidably arranged inside the airbag through groove 104 or the airbag through groove 204, and a C-shaped reinforcing rib 403 is fixedly arranged inside the support ring 401. The support ring 401 is slidably arranged inside the airbag through groove 104 or the airbag through groove 204, which is convenient for replacing the airbag 4 in the later stage. At the same time, in order to prevent the airbag 4 from falling out of the airbag through groove 104 or the airbag through groove 204, a C-shaped reinforcing rib 403 is fixedly arranged inside the support ring 401 to improve the stability of the airbag 4;

[0061] An air pump 8 is fixedly provided on the outer side of the vibration detection clamping arm 1 and the noise detection clamping arm 2. The air pump 8 is connected to the air bag 4. The air pump 8 is used to inflate the interior of the air bag 4, thereby improving the range of use and flexibility of use.

[0062] When clamping, Figure 3 、 Figure 4 as well as Figure 6 As shown, one end of the vibration detection clamping arm 1 is connected to a rotating support block 105, and the noise detection clamping arm 2 is provided with a rotating support block 205 corresponding to the rotating support block 105. The rotating support block 105 and the rotating support block 2 205 are rotatably connected through a rotating shaft 10. By pressing one end of the vibration detection clamping arm 1 and the noise detection clamping arm 2, the vibration detection clamping arm 1 and the noise detection clamping arm 2 rotate relative to the rotating shaft 10, which is convenient for clamping the clutch and improves the convenience of use. One end of the rotating support block 105 is fixedly provided with a support arm spring 9 between the vibration detection clamping arm 1 and the noise detection clamping arm 2. After clamping, it is supported by the support arm spring 9 to improve stability during detection.

[0063] like Figures 1-11 As shown, the principle of the washing machine clutch noise detection mechanism provided in this embodiment is as follows:

[0064] A vibration detection mechanism 7 is fixedly installed inside the vibration detection box 6. The vibration detection mechanism 7 has a cross-shaped structure. The horizontal detection housing 702 can detect the frequency of horizontal vibration, and the vertical detection housing 703 can detect the frequency of vertical vibration. At the same time, two vibration detection mechanisms are set in the horizontal direction and the vertical direction respectively. The average value is calculated during the detection process to improve the detection accuracy.

[0065] During the detection process, due to the vibration of the clutch, the horizontal magnet 704 will slide inside the horizontal detection housing 702, and the vertical magnet 706 will slide inside the vertical detection housing 703. In addition, when the horizontal magnet 704 slides, the horizontal coil 705 cuts the magnetic flux lines, and when the vertical magnet 706 slides, the vertical coil 707 cuts the magnetic flux lines, and the generated induced current is transmitted to the processor.

[0066] Therefore, it is possible to analyze the source of noise while detecting it, improving the convenience and timeliness of use;

[0067] The magnetic poles generated by the electromagnet assembly 5 are opposite to the magnetic poles of the vibration detection box 6, so the vibration detection box 6 can be pushed to one side of the clutch. A rubber damping pad 604 is fixedly provided on one side of the vibration detection box 6. The rubber damping pad 604 is against the clutch. The rubber damping pad 604 on the vibration detection box 6 increases the friction between the clutch and the clutch, and the clutch is detected. In order to prevent the vibration detection box 6 from falling off when not in use, the electromagnet assembly 5 is closed and adsorbed to the side baffle 103 under the action of magnetic force, thereby improving the stability and service life of the vibration detection box 6.

[0068] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of the components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0069] It should be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the product or system comprising the element.

[0070] The foregoing description shows and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. Rather, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the inventive concept described herein by the teachings above or by techniques or knowledge in the relevant art. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be within the scope of the appended claims.

Claims

1. A washing machine clutch noise detection mechanism, comprising a vibration detection clamping arm and a noise detection clamping arm rotatably connected, characterized in that: A clutch is provided between the vibration detection clamping arm and the noise detection clamping arm. A noise detection slot is provided on the noise detection clamping arm. A plurality of evenly distributed noise detection mechanisms are provided on the noise detection slot. The noise detection mechanisms are connected to a processor via a wire. A vibration detection slot is provided on the noise detection clamping arm, a vibration detection box is provided inside the vibration detection slot, an upper baffle is fixedly provided on the vibration detection slot directly above the vibration detection box, a side baffle is provided on a side of the vibration detection box away from the noise detection clamping arm, the side baffle is fixedly provided on the vibration detection clamping arm, and a plurality of electromagnet assemblies are fixedly provided on the side baffle, wherein the electromagnet assemblies are used to fix the vibration detection box when the electromagnet assemblies are not activated; A detection box placement compartment is formed between the upper baffle, the vibration detection slot, and the side baffles, and the vibration detection box body is arranged inside the detection box placement compartment; A vibration detection mechanism is fixedly provided inside the vibration detection box, and the vibration detection mechanism establishes a communication connection with the processor. The vibration detection mechanism includes a ceramic fixed block and vertical detection shells distributed above and below and horizontal detection shells distributed on both sides. The vibration detection mechanism is a cross-shaped structure. The horizontal detection shell can detect the frequency of horizontal vibration, and the vertical detection shell can detect the frequency of vertical vibration. At the same time, two are set in the horizontal and vertical directions respectively. The average value is obtained during the detection process to improve the detection accuracy. A horizontal coil is fixedly provided inside the horizontal detection shell, and a horizontal magnet is slidingly provided inside the horizontal coil. A vertical coil is fixedly installed inside the vertical detection shell, and a vertical magnet is movably installed inside the vertical coil. When the vibration detection box moves horizontally or vertically, the horizontal coil or the vertical coil cuts the magnetic lines of force to generate an induced current and transmits it to the processor.

2. A washing machine clutch noise detection mechanism according to claim 1, characterized in that: The transverse coil (705) is fixedly arranged on the inner side surface of the transverse detection housing (702), the transverse magnet (704) is slidably arranged inside the transverse coil (705), one end of the transverse magnet (704) is connected to a support column (709), and the end of the support column (709) close to the ceramic fixed block (701) and the end of the transverse magnet (704) away from the ceramic fixed block (701) are both fixedly arranged inside the transverse detection housing (702) via a transverse spring (708); Both ends of the vertical magnet (706) are fixedly arranged inside the vertical detection housing (703) via vertical springs (710); When the vibration detection box (6) slides vertically, the vertical magnet (706) is vertically slidably arranged inside the vertical detection shell (703); when the vibration detection box (6) slides horizontally, the horizontal magnet (704) is horizontally slidably arranged inside the horizontal detection shell (702).

3. A washing machine clutch noise detection mechanism according to claim 1, characterized in that: A fourth magnet (602) is fixedly provided on the upper side of the vibration detection box (6), and a second magnet (107) corresponding to the fourth magnet (602) is fixedly provided on the lower side of the upper baffle (101), and the fourth magnet (602) and the second magnet (107) have the same magnetic pole on a side close to each other; A third magnet (601) is fixedly provided on the bottom side of the vibration detection box (6), and a first magnet (106) is fixedly provided on the upper side of the vibration detection slot (102). The first magnet (106) corresponds to the third magnet (601), and the first magnet (106) and the third magnet (601) have the same magnetic pole on a side close to each other.

4. A washing machine clutch noise detection mechanism according to claim 1, characterized in that: A fifth magnet (603) is fixedly provided on a side surface of the vibration detection box (6) close to the side baffle (103), and the fifth magnet (603) corresponds to the electromagnet assembly (5); The electromagnet assembly (5) comprises an iron core (501) and a conducting coil (502) wound around the iron core (501); an iron ring (503) is fixedly provided at one end of the iron core (501); the iron ring (503) corresponds to the fifth magnet (603); An electromagnet box (504) is provided on the outer side surface of the iron core (501), and the electromagnet box (504) is fixedly arranged on the side baffle (103).

5. The clutch noise detection mechanism for a washing machine according to claim 1, characterized in that: A protective plate (202) is fixedly provided on the noise detection slot (201), the noise detection mechanism (3) is provided inside the protective plate (202), a noise detection box (304) is provided inside the noise detection mechanism (3), a diaphragm (301) is fixedly provided at the port of the noise detection box (304), a substrate (302) is fixedly provided on one side of the diaphragm (301), a resistor R1 is connected to the substrate (302) via a battery, and the other end of the resistor R1 is electrically connected to the diaphragm (301) for output; A hollow partition (303) is fixedly provided at the port of the noise detection box (304).

6. A washing machine clutch noise detection mechanism according to claim 5, characterized in that: A threaded hole (305) is provided at one end of the noise detection mechanism (3); a support plate (203) is fixedly provided on one side of the protection plate (202); a threaded column (206) is fixedly provided on one side of the support plate (203); and the threaded column (206) is connected to the support plate (203) by screwing.

7. A washing machine clutch noise detection mechanism according to claim 1, characterized in that: A rubber damping pad (604) is fixedly provided on one side of the vibration detection box (6), and the rubber damping pad (604) abuts against the clutch.

8. The clutch noise detection mechanism for a washing machine according to claim 1, characterized in that: The inner side surface of the vibration detection clamping arm (1) is provided with an airbag through groove 1 (104), and the inner side surface of the noise detection clamping arm (2) is provided with an airbag through groove 2 (204), and airbags (4) are provided inside the airbag through groove 1 (104) and the airbag through groove 2 (204); The airbag (4) comprises a support ring (401) and an extrusion ring (402); the support ring (401) is slidably arranged inside the airbag through groove 1 (104) or the airbag through groove 2 (204); and a C-shaped reinforcing rib (403) is fixedly arranged inside the support ring (401).

9. A washing machine clutch noise detection mechanism according to claim 8, characterized in that: An air pump (8) is fixedly provided on the outer side surfaces of the vibration detection clamping arm (1) and the noise detection clamping arm (2), and the air pump (8) is connected to the air bag (4).

10. The clutch noise detection mechanism for a washing machine according to claim 1, characterized in that: One end of the vibration detection clamping arm (1) is connected to a rotating support block 1 (105), and a rotating support block 2 (205) corresponding to the rotating support block 1 (105) is provided on the noise detection clamping arm (2), and the rotating support block 1 (105) and the rotating support block 2 (205) are rotatably connected via a rotating shaft (10); A support arm spring (9) is fixedly provided at one end of the rotating support block (105) between the vibration detection clamping arm (1) and the noise detection clamping arm (2).

Citation Information

Patent Citations

  • Mechanical vibration measuring device based on electrical conversion

    CN112268609A

  • Distribution transformer fault noise positioning device and method

    CN117665444A