Active noise reduction mechanism of ultrasonic cleaning machine

Abstract

The utility model discloses an ultrasonic cleaner active noise reduction mechanism which comprises an ultrasonic cleaner body and a frame body, and a noise analysis module, a sound processing module and a plurality of sounders are arranged on the inner surface of the periphery of the frame body. The noise analysis structure comprises a mobile platform and an audio receiver, the mobile platform is provided with two side-by-side motors, the two side-by-side motors are wrapped with rubber sleeves, and the motors control the rubber sleeves to move so as to control the audio receiver to receive audio at multiple positions; the sounders are uniformly distributed on the outer edge of the noise analysis module; according to the active noise reduction mechanism of the ultrasonic cleaning machine, noise of the ultrasonic cleaning machine is comprehensively captured through the audio receiver carried by the mobile platform, and the sound processing module analyzes noise characteristics and generates reverse sound waves; the sound generator plays the sound waves to offset original noise, noise reduction is achieved, the working environment is improved, and the comfort level of personnel and the working efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic cleaning machine noise reduction, in particular to an active noise reduction mechanism for an ultrasonic cleaning machine. Background Art

[0002] In modern industrial production and daily life, ultrasonic cleaning technology, due to its high efficiency, environmental friendliness, and non-contact cleaning properties, is widely used in a variety of fields, including precision parts, electronic components, medical devices, and jewelry. Ultrasonic cleaning machines use high-frequency vibrations to generate tiny bubbles that rapidly form and burst within a liquid. The energy released during this process penetrates tiny crevices, effectively removing dirt, grease, and tiny particles adhering to surfaces, significantly improving cleaning efficiency and cleanliness.

[0003] However, with the widespread adoption of ultrasonic cleaning technology, the noise generated during operation has become increasingly prominent. Ultrasonic cleaning machines generate significant mechanical and fluid dynamic noise due to the high-frequency vibration of the transducer and the bursting of bubbles in the liquid. This noise not only affects the comfort of the operating environment but also poses a potential threat to the operator's hearing. This also limits the use of ultrasonic cleaning machines in certain environments with strict noise control requirements, such as hospital operating rooms and precision instrument manufacturing workshops. Summary of the Invention

[0004] In order to overcome the deficiencies of the existing technical solutions, the utility model provides an active noise reduction mechanism for an ultrasonic cleaning machine, which can effectively solve the noise problem of the ultrasonic cleaning machine raised in the background technology.

[0005] The technical solution adopted by the utility model to solve the technical problem is: an active noise reduction mechanism for an ultrasonic cleaning machine, comprising an ultrasonic cleaning machine body and a frame arranged outside the ultrasonic cleaning machine body, wherein the inner surface of the frame is provided with a noise analysis module, a sound processing module and a plurality of sound generators;

[0006] The noise analysis structure includes a mobile platform and an audio receiver disposed on the mobile platform. The mobile platform is provided with two side-by-side motors, and the two side-by-side motors are wrapped with rubber sleeves. The motors control the movement of the rubber sleeves and thereby control the audio receiver to receive audio at multiple locations.

[0007] The sound generators are evenly distributed on the outer edge of the noise analysis module;

[0008] The sound processing module processes the data returned by the noise analysis module and plays the data through the sound generator to offset the noise.

[0009] Furthermore, the sound generator includes a low-frequency sound generator, a high-frequency sound generator and an ultra-high-frequency sound generator, the low-frequency sound generator generates 20KHz-50KHz sound, the high-frequency sound generator generates 50KHz-200KHz sound, and the ultra-high-frequency sound generator generates 700KHz-1MHz sound.

[0010] Furthermore, the low-frequency sounder, the high-frequency sounder and the ultra-high-frequency sounder are circumferentially distributed at the outer edge of the noise analysis structure.

[0011] Furthermore, the motor is arranged above the sound processing module, and two sets of friction wheels are provided on the rotor of the motor. The friction wheels are in contact with the inner surface of the rubber sleeve, and the two sets of friction wheels control the movement in the vertical direction and the horizontal direction respectively.

[0012] Furthermore, a support block is provided on the inner side of the rubber sleeve, and the support block supports the rubber sleeve from the inner side.

[0013] Furthermore, a patch is provided on the contact surface between the support block and the rubber sleeve, and the patch is a thin Teflon patch.

[0014] Furthermore, a steel coil is provided on the edge of the rubber sleeve, one end of the steel coil is connected to the edge of the rubber sleeve, and the other end is connected to the inner side of the mobile platform.

[0015] Furthermore, the audio receiver is fixed on the rubber sleeve, and the shape of the rubber sleeve is an oblate spheroid.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the frame is wrapped around the outside of the ultrasonic cleaning machine body, providing an installation platform for the noise analysis module, the sound processing module and the sound generator; the mobile platform is equipped with two side-by-side motors. Driven by the motors, the mobile platform can control the audio receiver to receive audio at multiple locations, thereby achieving a comprehensive analysis of noise at different locations; the audio receiver 7 is installed on the mobile platform, and is used to collect noise signals when the ultrasonic cleaning machine is working; the sound processing module processes the data returned by the noise analysis module, identifies the frequency and phase characteristics of the noise, and generates corresponding inverted sound wave signals; the sound generators are evenly distributed on the outer edge of the noise analysis module, and play inverted sound waves according to the signals generated by the sound processing module, which offset the noise generated by the ultrasonic cleaning machine, thereby achieving a noise reduction effect.

[0017] By receiving audio at multiple locations through the audio receiver on the mobile platform, the noise distribution and characteristics of the ultrasonic cleaning machine during operation can be fully captured, providing accurate data support for subsequent noise reduction processing. The sound generator plays anti-phase sound waves according to the signal generated by the sound processing module, which offsets the noise generated by the ultrasonic cleaning machine, thereby significantly reducing the noise level in the working environment. By reducing noise pollution, this active noise reduction mechanism can improve the working environment and enhance the comfort and work efficiency of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural stereogram of the utility model;

[0019] Figure 2 It is a structural diagram of the utility model;

[0020] Figure 3 This is a front view of the structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the installation of the noise reduction mechanism of the present utility model.

[0022] Numbers in the figure:

[0023] 1-Ultrasonic cleaning machine body, 2-Frame, 3-Noise analysis module, 4-Sound processing module, 5-Sound generator, 6-Mobile platform, 7-Audio receiver, 8-Motor, 9-Rubber sleeve, 10-Friction wheel, 11-Support block, 12-Steel coil, 13-Patch. DETAILED DESCRIPTION

[0024] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0025] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present disclosure. Example

[0026] like Figure 1-4As shown, the utility model provides an active noise reduction mechanism for an ultrasonic cleaning machine, comprising an ultrasonic cleaning machine body 1 and a frame 2 arranged outside the ultrasonic cleaning machine body 1, wherein the inner surface of the frame 2 is provided with a noise analysis module 3, a sound processing module 4 and a plurality of sound generators 5;

[0027] The noise analysis structure includes a mobile platform 6 and an audio receiver 7 disposed on the mobile platform 6. The mobile platform 6 is provided with two side-by-side motors 8, which are wrapped with rubber sleeves 9. The motors 8 control the movement of the rubber sleeves 9 and thus control the audio receiver 7 to receive audio at multiple locations.

[0028] The sound generators 5 are evenly distributed on the outer edge of the noise analysis module 3;

[0029] The sound processing module 4 processes the data returned by the noise analysis module 3 and plays the data through the sound generator 5 to cancel out the noise.

[0030] The frame 2 is wrapped around the outside of the ultrasonic cleaning machine body 1, providing an installation platform for the noise analysis module 3, the sound processing module 4 and the sound generator 5. The mobile platform 6 is equipped with two side-by-side motors 8. Driven by the motor 8, the mobile platform 6 can control the audio receiver 7 to receive audio at multiple locations, thereby realizing a comprehensive analysis of noise at different locations. The audio receiver 7 is installed on the mobile platform 6 and is used to collect noise signals when the ultrasonic cleaning machine is working. The sound processing module 4 processes the data returned by the noise analysis module 3, identifies the frequency and phase characteristics of the noise, and generates corresponding inverted sound wave signals. The sound generators 5 are evenly distributed on the outer edge of the noise analysis module 3, and play inverted sound waves according to the signals generated by the sound processing module 4, which offset each other with the noise generated by the ultrasonic cleaning machine, thereby achieving a noise reduction effect.

[0031] By receiving audio at multiple locations through the audio receiver 7 on the mobile platform 6, the noise distribution and characteristics of the ultrasonic cleaning machine during operation can be fully captured, providing accurate data support for subsequent noise reduction processing. The sound generator 5 plays anti-phase sound waves according to the signal generated by the sound processing module 4, which offsets the noise generated by the ultrasonic cleaning machine, thereby significantly reducing the noise level in the working environment. By reducing noise pollution, the active noise reduction mechanism can improve the working environment and enhance the comfort and work efficiency of the staff.

[0032] See also Figure 3 The sound generator 5 includes a low-frequency sound generator 5, a high-frequency sound generator 5 and an ultra-high-frequency sound generator 5. The low-frequency sound generator 5 generates a sound of 20KHz-50KHz, the high-frequency sound generator 5 generates a sound of 50KHz-200KHz, and the ultra-high-frequency sound generator 5 generates a sound of 700KHz-1MHz.

[0033] Since the ultrasonic cleaning machine generates low-frequency, high-frequency and ultra-high-frequency noises during operation, the sound generators 5 of different frequency bands are used to offset the noise of the working frequency band.

[0034] See also Figure 3 The low-frequency sounder 5, the high-frequency sounder 5 and the ultra-high-frequency sounder 5 are circumferentially distributed at the outer edge of the noise analysis structure.

[0035] By distributing the sound generators 5 of different frequencies in a circular pattern, it can be ensured that the noise generated by the ultrasonic cleaning machine can be effectively offset in all directions.

[0036] Different frequency sound generators 5 target different noise frequency bands for cancellation. The low-frequency sound generator 5 addresses low-frequency noise, the high-frequency sound generator 5 addresses high-frequency noise, and the ultra-high-frequency sound generator 5 targets any extremely high-frequency noise. This frequency complementation approach reduces noise levels more comprehensively. When the circularly distributed sound generators 5 play counter-phase sound waves, the sound waves create a superposition effect, which enhances the noise reduction effect and effectively cancels out noise in a shorter time.

[0037] See also Figure 2 The motor 8 is arranged above the sound processing module 4. Two sets of friction wheels 10 are provided on the rotor of the motor 8. The friction wheels 10 are in contact with the inner surface of the rubber sleeve 9. The two sets of friction wheels 10 control the movement in the vertical direction and the horizontal direction respectively.

[0038] By controlling the vertical and horizontal movement of the rubber sleeve 9 respectively through two sets of friction wheels 10, the audio receiver 7 can be flexibly adjusted in multiple dimensions. This multi-dimensional movement capability enables the audio receiver 7 to reach multiple positions around the cleaning machine, thereby collecting noise signals more comprehensively. Multi-dimensional movement ensures that the audio receiver 7 can cover all major noise sources when the ultrasonic cleaning machine is working, thereby improving the accuracy and comprehensiveness of noise analysis.

[0039] The noise signals collected at different positions may be different. Through multi-dimensional movement, the audio receiver 7 can accurately collect noise at multiple key positions to avoid missing important information. Accurate noise signal collection provides a reliable data basis for the subsequent sound processing module 4, which helps to generate more accurate anti-phase sound wave signals, thereby improving the noise reduction effect.

[0040] Based on the noise signal collected by multi-dimensional movement, the sound processing module 4 can generate a more targeted anti-phase sound wave signal, which can more accurately offset the noise generated by the ultrasonic cleaning machine, thereby improving the noise reduction effect.

[0041] During the noise reduction process, if the position or intensity of the noise source changes, the audio receiver 7 can make real-time adjustments through multi-dimensional movement to ensure that accurate noise signals can always be collected.

[0042] See also Figure 2 A support block 11 is provided on the inner side of the rubber sleeve 9, and the support block 11 supports the rubber sleeve 9 from the inner side.

[0043] The support block 11 supports the rubber sleeve 9 from the inside, which can significantly enhance the structural strength of the rubber sleeve 9 and prevent it from being deformed or damaged when subjected to external force or pressure.

[0044] In equipment such as ultrasonic cleaning machines, rubber sleeves 9 are often used to isolate or reduce the transmission of vibration and noise. The design of support blocks 11 can further optimize the acoustic performance of rubber sleeves 9, by dispersing and absorbing vibration energy, reducing the transmission of noise and vibration, and improving the overall performance of the equipment.

[0045] See also Figure 2 The contact surface between the support block 11 and the rubber sleeve 9 is provided with a patch 13, which is a thin Teflon patch.

[0046] The Teflon thin patch 13 is a thin sheet made of polytetrafluoroethylene (PTFE) material, which has an extremely low friction coefficient and can significantly reduce the friction between the support block 11 and the rubber sleeve 9, thereby reducing wear and extending the service life of both. In addition, the PTFE material itself has a certain self-lubricating property, which can reduce friction and wear caused by insufficient lubrication.

[0047] See also Figure 2 A steel coil 12 is provided on the edge of the rubber sleeve 9 , one end of the steel coil 12 is connected to the edge of the rubber sleeve 9 , and the other end is connected to the inner side of the mobile platform 6 .

[0048] When the rubber sleeve 9 deviates from its original position, the steel coil 12 can automatically pull the rubber sleeve 9 back to its original position by utilizing its elasticity or mechanical structure.

[0049] The audio receiver 7 is fixed on the rubber sleeve 9, and the shape of the rubber sleeve 9 is an oblate spherical shape.

[0050] In the description of the present invention, it should be understood that the terms "middle", "length", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0051] In the present invention, unless otherwise expressly specified or limited, a first feature "on" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. "Multiple" means at least two, such as two or three, unless otherwise expressly specified or limited.

[0052] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0053] The above is only for explaining the implementation mode of the present invention and is not intended to limit the present invention. For those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention without creative work should be included in the scope of protection of the present invention.

Claims

1. An active noise reduction mechanism for an ultrasonic cleaning machine, comprising an ultrasonic cleaning machine body and a frame arranged outside the ultrasonic cleaning machine body, characterized in that: The inner surface of the frame is provided with a noise analysis module, a sound processing module and a plurality of sound generators; The noise analysis structure includes a mobile platform and an audio receiver disposed on the mobile platform. The mobile platform is provided with two side-by-side motors, and the two side-by-side motors are wrapped with rubber sleeves. The motors control the movement of the rubber sleeves and thereby control the audio receiver to receive audio at multiple locations. The sound generators are evenly distributed on the outer edge of the noise analysis module; The sound processing module processes the data returned by the noise analysis module and plays the data through the sound generator to offset the noise.

2. The active noise reduction mechanism for an ultrasonic cleaning machine according to claim 1, characterized in that: The sound generator includes a low-frequency sound generator, a high-frequency sound generator and an ultra-high-frequency sound generator. The low-frequency sound generator generates sounds of 20KHz-50KHz, the high-frequency sound generator generates sounds of 50KHz-200KHz, and the ultra-high-frequency sound generator generates sounds of 700KHz-1MHz.

3. The active noise reduction mechanism for an ultrasonic cleaning machine according to claim 2, characterized in that: The low-frequency sound generator, the high-frequency sound generator and the ultra-high-frequency sound generator are circumferentially distributed at the outer edge of the noise analysis structure.

4. The active noise reduction mechanism for an ultrasonic cleaning machine according to claim 1, characterized in that: The motor is arranged above the sound processing module. Two groups of friction wheels are provided on the rotor of the motor. The friction wheels are in contact with the inner surface of the rubber sleeve. The two groups of friction wheels control the movement in the vertical direction and the horizontal direction respectively.

5. The active noise reduction mechanism for an ultrasonic cleaning machine according to claim 1 or 4, characterized in that: A support block is provided on the inner side of the rubber sleeve, and the support block supports the rubber sleeve from the inner side.

6. The active noise reduction mechanism for an ultrasonic cleaning machine according to claim 5, characterized in that: A patch is provided on the contact surface between the support block and the rubber sleeve, and the patch is a Teflon thin patch.

7. The active noise reduction mechanism for an ultrasonic cleaning machine according to claim 5, characterized in that: A steel coil is provided on the edge of the rubber sleeve, one end of the steel coil is connected to the edge of the rubber sleeve, and the other end is connected to the inner side of the mobile platform.

8. The active noise reduction mechanism for an ultrasonic cleaning machine according to claim 1, characterized in that: The audio receiver is fixed on the rubber sleeve, and the shape of the rubber sleeve is an oblate spherical shape.

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