Transducer box and ultrasonic cleaning machine with entry basin
By placing transducers on sides A and B inside a sealed box in the middle of the water tank, the problems of noise and wire corrosion in existing cleaning machines are solved, achieving low-noise and high-efficiency cleaning and expanding market applications.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 罗维瑜
- Filing Date
- 2025-06-11
- Publication Date
- 2026-07-14
AI Technical Summary
Existing side and bottom cleaning machines struggle to address both noise and wire corrosion issues, and their poor cleaning performance leads to low consumer satisfaction and hinders widespread adoption.
Design a transducer box with a sealed box body containing transducers on side A and side B, which transmit ultrasonic energy toward the side wall of the sink respectively. The tableware is placed on both sides to reduce the ultrasonic propagation distance. Only a small number of transducers are needed to meet the cleaning requirements. The wires are sealed with a gland to prevent corrosion.
It effectively suppresses noise generation, extends wire life, and improves cleaning results, combining the advantages of side and bottom cleaning machines, and has a promising market prospect.
Smart Images

Figure CN224486995U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of cleaning tools, and in particular to a transducer box and a basin-type ultrasonic cleaner. Background Technology
[0002] The existing transducer boxes are divided into side cleaning machines and bottom cleaning machines. The structure of the side cleaning machine can be referred to in the publication number CN211674099U, "An Ultrasonic Energy Vegetable Washing Dishwasher with Inlet", and the structure of the bottom cleaning machine can be referred to in the publication number CN220876694U, "An Ultrasonic Cleaning Machine with Inlet".
[0003] The transducer box of the side washer is located on one side wall near the sink, outputting ultrasonic energy to the other side. Because the transducer box is less effective at cleaning distant tableware, the number and power of transducers need to be increased to meet the cleaning requirements of distant tableware, resulting in harsh noise.
[0004] The transducer box of a bottom-mounted washer is located at the bottom of the sink, emitting ultrasonic energy towards the water surface. While the cleaning distance between the transducer box and the tableware is improved compared to a side-mounted washer, some restaurants use hot water to speed up the cleaning process. Because the bottom-mounted washer is located at the bottom of the sink, its wiring must be submerged in the water, making it highly susceptible to corrosion by the cleaning agent during high-temperature cleaning. Furthermore, since the transducer box emits ultrasonic energy towards the water surface, the ultrasonic energy dissipates after leaving the water and cannot bounce off the side walls of the sink. Therefore, the bottom-mounted washer requires more transducers, resulting in more noticeable noise, although the actual cleaning effect is better than that of a side-mounted washer.
[0005] Compared to bottom-mounted washer systems, side-mounted washer systems do not require their transducer boxes to extend to the bottom of the tank, allowing the wiring to remain away from the water and resulting in a longer lifespan. However, their cleaning performance is not as good as that of bottom-mounted washer systems. Both side-mounted and bottom-mounted washer systems have their advantages and disadvantages, but the noise they produce during operation is unsatisfactory to consumers, hindering their widespread adoption in the home market. Utility Model Content
[0006] The present invention aims to provide a transducer box to solve the technical problems existing in the prior art.
[0007] According to a first aspect of the present invention, a transducer box includes a sealed box body, an A-side transducer, and a B-side transducer. The sealed box body has two working surfaces facing each other, namely an A-side working surface and a B-side working surface. The A-side working surface and the B-side working surface respectively transmit ultrasonic energy outward through the A-side transducer and the B-side transducer. The top surface of the sealed box body is provided with a wire hole, and a wire is sealed and connected to the wire hole. The A-side transducer and the B-side transducer are both electrically connected to the wire.
[0008] The transducer box according to the embodiments of this utility model has at least the following beneficial effects: In use, the transducer box is placed in the middle of the water tank, with working surfaces A and B facing a pair of side walls of the water tank respectively. The user places the tableware to be cleaned on both sides of the transducer box, facing the working surfaces as much as possible, maintaining a certain gap between adjacent tableware to achieve a better cleaning effect. During operation, working surfaces A and B transmit ultrasonic energy outward through transducers A and B respectively. Since the transducer box is placed in the middle of the water tank, the distance between the tableware and the working surfaces is effectively shortened. Only a small number of transducers are needed to meet the cleaning requirements of the tableware, effectively suppressing noise generation. Compared with the prior art, this utility model integrates the advantages of side-cleaning machines and bottom-cleaning machines, and overcomes their disadvantages, possessing good market prospects.
[0009] According to some embodiments of this utility model, the A working surface and the B working surface are arranged parallel to each other, and their areas are equal.
[0010] According to some embodiments of the present invention, the sealing box body has a horizontally arranged bottom surface, and the shape of the sealing box body is a polygonal column or an elliptical column.
[0011] According to some embodiments of the present invention, the number of A-side transducers is multiple; the number of B-side transducers is multiple.
[0012] According to some embodiments of this utility model, the number of transducers on surface A is equal to the number of transducers on surface B.
[0013] According to some embodiments of the present invention, the outer walls of both working surfaces are smooth, and the inner walls of both working surfaces are frosted.
[0014] According to some embodiments of this utility model, both the A-side transducer and the B-side transducer are adhered to the corresponding frosted surfaces using adhesive.
[0015] According to some embodiments of this utility model, the wire hole is connected to a gland, and the wire is wrapped with a protective sleeve near the gland.
[0016] According to some embodiments of the present invention, the top surface of the sealed box is provided with a handle.
[0017] According to a second aspect embodiment of the present invention, a basin-type ultrasonic cleaner includes:
[0018] The aforementioned transducer box;
[0019] The control box is located away from the water body, and both the A-side transducer and the B-side transducer are electrically connected to the control box via the wires.
[0020] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0022] Figure 1 This is a three-dimensional structural diagram of the household cleaning machine provided in this embodiment of the utility model;
[0023] Figure 2 yes Figure 1 The diagram shows a 3D structure of a household cleaning machine with one of its working surfaces hidden.
[0024] Figure 3 yes Figure 2 The front view of the household cleaning machine shown;
[0025] Figure 4 This is a three-dimensional structural diagram of the commercial cleaning machine provided in this embodiment of the utility model;
[0026] Figure 5 yes Figure 4 The diagram shows a three-dimensional structure of a commercial cleaning machine with one of its working surfaces concealed.
[0027] Figure 6 yes Figure 5 The front view of the commercial cleaning machine shown;
[0028] Figure 7 This is a schematic diagram of the structure of the commercial cleaning machine provided in this embodiment of the invention during the propagation and reflection of ultrasonic energy.
[0029] In the attached diagram: 10-Transducer box, 100-Sealed box body, 200-A-surface transducer, 300-B-surface transducer, 110-Working surface, 111-A-working surface, 112-B-working surface, 210-Vibration surface, 120-Gland head, 130-Handle. Detailed Implementation
[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0031] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0032] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0033] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0034] like Figures 1 to 3 As shown, the transducer box 10 according to the first aspect of the present invention includes a sealed box body 100, an A-side transducer 200 and a B-side transducer 300. The shape of the sealed box body 100 can be a polygonal cylinder or an elliptical cylinder. For household appliances, the smaller the size and weight, the more convenient it is to use. Therefore, in this embodiment, the sealed box body 100 of the household cleaning machine is selected as an elliptical cylinder, which has a top surface and a bottom surface arranged in parallel, two working surfaces 110 arranged in parallel, and two arc surfaces that can be combined to form a cylinder.
[0035] The sealed box 100 has a hollow structure, and an A-side transducer 200 and a B-side transducer 300 are installed inside. The sealed box 100 is manufactured by welding multiple stainless steel plates, including at least a rectangular plate and two elliptical plates of the same size. First, the rectangular plate is bent into a three-dimensional ellipse using a bending machine. Then, the vibrating surface 210 of the A-side transducer 200 is attached to the inner wall of one of the elliptical plates, and the vibrating surface 210 of the B-side transducer 300 is attached to the inner wall of the other elliptical plate. Finally, the two elliptical plates are welded to the two open end faces of the three-dimensional ellipse to form a sealed structure. At this point, the two elliptical plates become the two working surfaces 110 of the sealed box 100. For ease of description, the two working surfaces 110 can be defined as working surface A 111 and working surface B 112, where working surface A 111 is used to install the A-side transducer 200, and working surface B 112 is used to install the B-side transducer 300.
[0036] Of course, during the production of the sealed box 100, an elliptical welding plate can be welded to one open end face of the three-dimensional ellipse first, and then the A-side transducer 200 and the B-side transducer 300 can be attached separately. Finally, the remaining elliptical welding plate can be welded to the other open end face of the three-dimensional ellipse. However, regardless of how the sealed box 100 is produced, the A-side transducer 200 and the B-side transducer 300 cannot be attached to the same elliptical welding plate, so that the transducer box 10 has the ability to transmit ultrasonic energy in two directions.
[0037] To better adhere the transducers to the working surface 110, the inner wall of the working surface 110 is frosted. Both the A-side transducer 200 and the B-side transducer 300 are adhered to their respective frosted surfaces using adhesive. The frosted surface is rough, containing many tiny depressions and pores, allowing the adhesive to penetrate these gaps more effectively, forming a mechanical fit. In addition, the outer wall of the working surface 110 is smooth, serving both an aesthetic purpose and allowing ultrasonic energy to propagate more evenly in the water, avoiding "dead zones" or areas of concentrated energy.
[0038] It is understood that this utility model does not limit the specific shape of the sealing box 100, and its two working surfaces 110 can also maintain a certain angle or have different areas, and are not limited to the above embodiments. However, the bottom surface of the sealing box 100 is preferably set to be horizontal to improve its stability when placed.
[0039] Meanwhile, both transducer 200 on surface A and transducer 300 on surface B are electrically connected to wires (not shown in the attached diagram), which are then electrically connected to a power supply unit to supply power to transducers 200 on surface A and transducer 300 on surface B. The top surface of the sealed housing 100 has a wire hole, to which a gland 120 is connected. The gland 120 is used to achieve a sealed connection of the wires to prevent liquid from seeping into the interior of the sealed housing 100 through the wire hole.
[0040] When using the device, place the transducer box 10 in the middle of the sink, with working surfaces A 111 and B 112 facing the two side walls of the sink respectively. Place the tableware to be washed on both sides of the transducer box 10, facing the working surfaces 110 as much as possible, maintaining a certain gap between adjacent tableware for better cleaning results. Regarding how to maintain a certain gap between adjacent tableware, the following method can be used as a reference: Assuming the tableware to be washed includes four bowls, two plates, and several pairs of chopsticks, the bowls and plates can be placed alternately, avoiding stacking bowls and plates as much as possible. Chopsticks can be placed randomly.
[0041] It is understandable that this utility model can not only clean tableware, but also clean fresh vegetables, fruits, seafood and other fresh food, with a wide range of uses and strong practicality.
[0042] During operation, working surfaces A 111 and B 112 transmit ultrasonic energy outward through transducers 200 and 300 respectively. Since the transducer box 10 is placed in the middle of the water tank, the distance between the tableware and working surfaces 110 is effectively shortened, with the furthest distance not exceeding half the length of the water tank. Because this invention shortens the propagation distance of ultrasonic energy, the effective space for ultrasonic energy to perform work through the water is reduced, and the wasted work of ultrasonic energy is decreased. Therefore, only a small number of transducers are needed to meet the cleaning requirements of the tableware. Taking existing side-washing machines as an example, tableware near the edge can be cleaned within minutes under the vibration of ultrasonic energy, but tableware far away requires tens of minutes to be cleaned. During this period, all ultrasonic energy received by the near-edge tableware can be considered wasted work.
[0043] For household cleaning machines, only one transducer (A-side 200) and one transducer (B-side 300) are needed. The two transducers are staggered within the sealed housing 100 to save internal space. Given this structure, the total peak power of the two transducers will not exceed 300W. According to the transducer's working principle, reduced total power means reduced noise. Testing has shown that the operating noise of the household cleaning machine is controlled below 40 decibels, while existing side-mounted cleaning machines have a total peak power of around 500W and generally maintain an operating noise level of around 60 decibels.
[0044] This invention reduces the number of transducers, lowers energy consumption, and effectively suppresses noise generation. Furthermore, because the transducer box 10 operates horizontally, its wiring can be positioned higher than that of a bottom-mounted cleaning machine to meet the requirement of being far from water. Compared to existing technologies, this invention combines the advantages of both side-mounted and bottom-mounted cleaning machines while overcoming their disadvantages, thus possessing promising market prospects.
[0045] It should be further noted that, since the household cleaning machine has only two transducers, its sealed housing 100 has a length of 125mm to 135mm, a height of 60mm to 65mm, and a width of 50mm to 60mm. Thanks to the reduction in the number of transducers, the length and height of the sealed housing 100 are significantly reduced, resulting in the household cleaning machine being only half the size and weight of existing household products, making it lightweight and convenient without compromising cleaning power.
[0046] In some embodiments of this utility model, a handle 130 is provided on the top surface of the sealed box 100 to facilitate the user in taking and putting down the transducer box 10. When it is necessary to immerse the transducer box 10 in water, the user can lower the transducer box 10 through the handle 130; when it is necessary to take the transducer box 10 out of the water, the user can lift the transducer box 10 through the handle 130.
[0047] like Figures 4 to 6 As shown, this is a commercial dishwashing machine. Commercial dishwashing machines utilize most of the technology of household dishwashing machines. However, besides the obvious difference in appearance, the biggest difference between commercial and household dishwashing machines lies in their cleaning speed. For ordinary households, there is generally no time limit for dishwashing. As long as manual washing is not involved, cleaning time is never a primary consideration. For example, existing cabinet dishwashers typically require 45 minutes for cleaning. For the household dishwashing machine of this invention, to achieve better cleaning results, the cleaning time is generally set to 15 to 20 minutes. However, in a commercial environment, a large number of dishes need to be washed. If the dishwashing speed is too slow, it will affect the serving speed. Therefore, the cleaning time of a commercial dishwashing machine generally cannot exceed 8 minutes.
[0048] To meet commercial requirements, the number of transducers 200 on side A and 300 on side B needs to be increased. In this embodiment, three transducers 200 on side A and three transducers 300 on side B are used, and all transducers are staggered within the sealed housing 100 to save internal space. Given the increased number of transducers, the total power will increase, and although the noise will also increase, the noise generated by this invention is still lower than that of existing commercial products. At this point, the length of the sealed housing 100 is 140mm to 160mm, the height is 140mm to 160mm, and the width is 50mm to 60mm. The increased height is mainly to accommodate more transducers. Compared to existing commercial products, the size and weight of this commercial cleaning machine are significantly optimized.
[0049] Although the number of transducers 200 on side A and transducers 300 on side B can be set to be unequal, this setting is not conducive to structural layout, and the working conditions of the two working surfaces 110 are different. Users need to distinguish between the front and back sides, which causes unnecessary trouble for users.
[0050] In addition, because high temperatures accelerate the decomposition of oil stains, the water temperature in commercial cleaning machines is generally maintained between 60°C and 80°C during use. Furthermore, commercial water tanks are deeper than household tanks, inevitably causing the wires to be immersed in the water, making them susceptible to corrosion from the high-temperature water. To address this technical issue, a protective sleeve (not shown in the attached diagram) is wrapped around the wires near the gland 120. This protective sleeve can be made of silicone and extends above the water surface, preventing corrosion of the immersed wires and effectively extending their service life.
[0051] Of course, protective covers can also be installed on home cleaning machines to protect the wires, and this is not limited to commercial cleaning machines.
[0052] like Figure 7 As shown, compared to bottom-mounted washing machines, the ultrasonic energy of this invention can be reflected by the side wall of the sink during propagation, allowing for full utilization of the reflected ultrasonic energy for secondary cleaning of tableware. Compared to side-mounted washing machines, because the effective space of a single ultrasonic energy stream is smaller, it generates stronger reflected energy after reflection by the side wall of the sink, which is beneficial for cleaning the back of the tableware.
[0053] According to a second aspect embodiment of the present invention, a basin-type ultrasonic cleaner includes a transducer box according to the first aspect embodiment of the present invention, and a control box. The control box is electrically connected to the transducer of the transducer box 10 via wires. The control box is used to adjust all operating parameters of the transducer box 10, such as working mode, working time, and working power. The control box should be placed away from water bodies, and is generally mounted on a wall or placed on a table. Waterproof and electrical protection measures should be taken to prevent internal components from burning out due to short circuits. Control boxes come in various styles, including but not limited to touchscreen control, button control, Bluetooth control, and multi-dimensional control types. Since the control box is not an improvement of the present invention, existing technology can be used. The specific structure and working principle of the control box will not be described in detail here.
[0054] Since the transducer box 10 needs to be placed in the water tank during use, while the position of the control box remains unchanged, the length of the wire needs to be set reasonably, and the length can be customized according to the user's needs when necessary.
[0055] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A transducer box, characterized in that: The device includes a sealed housing (100), an A-side transducer (200), and a B-side transducer (300). The sealed housing (100) has two working surfaces (110) facing each other, namely the A-side working surface (111) and the B-side working surface (112). The A-side working surface (111) and the B-side working surface (112) transmit ultrasonic energy outward through the A-side transducer (200) and the B-side transducer (300), respectively. The top surface of the sealed housing (100) is provided with a wire hole, and a wire is sealed and connected to the wire hole. The A-side transducer (200) and the B-side transducer (300) are both electrically connected to the wire.
2. The transducer box according to claim 1, characterized in that: The A working surface (111) and the B working surface (112) are arranged parallel to each other, and their areas are equal.
3. The transducer box according to claim 2, characterized in that: The sealing box (100) has a horizontally set bottom surface, and the shape of the sealing box (100) is a polygonal column or an elliptical column.
4. The transducer box according to claim 1, characterized in that: The number of A-side transducers (200) is multiple; the number of B-side transducers (300) is multiple.
5. The transducer box according to claim 1 or 4, characterized in that: The number of A-side transducers (200) is equal to the number of B-side transducers (300).
6. The transducer box according to claim 1, characterized in that: The outer walls of both working surfaces (110) are smooth, and the inner walls of both working surfaces (110) are frosted.
7. The transducer box according to claim 6, characterized in that: The A-side transducer (200) and the B-side transducer (300) are both attached to the corresponding frosted surfaces using adhesive.
8. The transducer box according to claim 1, characterized in that: The wire hole is connected to a gland (120), and the wire is wrapped with a protective sleeve near the gland (120).
9. The transducer box according to claim 1, characterized in that: The top surface of the sealed box (100) is provided with a handle (130).
10. A basin-type ultrasonic cleaner, characterized in that, include: The transducer box (10) as described in any one of claims 1 to 9; The control box is located away from the water body, and the transducer (200) on side A and the transducer (300) on side B are electrically connected to the control box via the wires.