A washing system, a cleaning method and a fruit and vegetable machine

Abstract

The application discloses a kind of washing system, cleaning method and fruit and vegetable machine, comprising the following steps: S1 liquid inlet, including the container with containing cavity, washing liquid is added in container, and initial liquid level before cleaning is formed at the bottom of the containing cavity of container;S2 bubble making, including power part, liquid in containing cavity is inhaled and bubble water is formed by power part mixed gas, so that initial liquid level is reduced;S3 jet cleaning, including spraying part, bubble water is transported to spraying part by power part, then is backflowed to the bottom of containing cavity after being sprayed into containing cavity by spraying part, and circulation liquid level is formed at the bottom of containing cavity;The initial liquid level is greater than circulation liquid level, and the circulation liquid level is greater than the highest height of liquid inlet for inhaling liquid by power part.This application can reduce the complexity of the structure for generating bubble water, reduce the risk of maintenance, and at the same time improve the cleaning effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fruit and vegetable machines, and in particular to a washing system, a cleaning method and a fruit and vegetable machine. BACKGROUND

[0002] Existing fruit and vegetable machines mostly use ultrasonic washing or electrolytic water washing or spraying washing, the purpose of which is to clean fruits, vegetables, seafood and the like or remove pesticide residues. In some spraying washing methods, in order to improve the cleaning effect, a gas injection device is used to inject gas into the cleaning water to generate bubble water, but this method has a complex structure and increases the risk of maintenance. SUMMARY

[0003] In a first aspect, in order to reduce the structural complexity by using the method of forming bubble water by sucking in gas, the present application provides a cleaning method.

[0004] The present application provides a cleaning method, which adopts the following technical solution:

[0005] A cleaning method, comprising the following steps: S1 liquid feeding, including a container having a containing cavity, a washing liquid is added into the container, and an initial liquid level before cleaning is formed by accumulation at the bottom of the containing cavity of the container; S2 bubble forming, including a power part, liquid and gas in the containing cavity are sucked in by the power part to form bubble water, and the initial liquid level is lowered; S3 jet cleaning, including a spraying part, bubble water is delivered to the spraying part by the power part, and then sprayed into the containing cavity by the spraying part and backflows to the bottom of the containing cavity, and a circulating liquid level is formed at the bottom of the containing cavity; the initial liquid level is greater than the circulating liquid level, and the circulating liquid level is greater than the highest height of a liquid inlet of the power part.

[0006] Optionally, the value between the highest height and the lowest height of the liquid inlet of the power part is 12mm-20mm, and the value between the highest water level of the circulating liquid level and the lowest height of the liquid inlet of the power part is 12mm-30mm.

[0007] Optionally, the value between the highest water level of the initial liquid level and the lowest height of the liquid inlet of the power part is 15mm-45mm.

[0008] In a second aspect, in order to reduce the structural complexity by using the method of bubble water, the present application provides a washing system.

[0009] The washing system is applied to the cleaning system described in the above technical solution, and further comprises a container with a containing cavity, a spraying part with a spraying flow channel formed inside, and a power part with a circulating flow channel formed inside, the spraying part is provided with a spraying hole, the power part comprises an impeller, a liquid inlet support, and a driving member, part of the impeller is arranged in the spraying flow channel, part of the circulating flow channel is formed in the impeller, and part of the circulating flow channel is formed in the liquid inlet support, the circulating flow channel and the spraying flow channel are connected, the liquid inlet support is provided with a liquid inlet, the circulating flow channel is connected with the containing cavity through the liquid inlet, and the driving member is used to drive the impeller to rotate, so that the liquid and gas in the containing cavity enter the circulating flow channel, and the liquid and gas are sprayed out from the spraying hole through the spraying flow channel and the spraying hole.

[0010] Optionally, the highest height of the liquid inlet is flush with the lowest height of the impeller.

[0011] Optionally, the washing system further comprises a mounting bracket, the bottom of the container is provided with an assembly hole for extending into part of the mounting bracket, the output shaft of the driving member passes through the mounting bracket and is connected with the impeller, the liquid inlet support is arranged on the side of the mounting bracket away from the driving member, and the mounting bracket is provided with a sealing ring in sealing cooperation with the bottom of the container on the outer side of the liquid inlet support.

[0012] Optionally, one of the liquid inlet support or the mounting bracket is provided with a limiting block, and the other is provided with a limiting groove, the limiting groove comprises a positioning groove and a clamping groove connected with each other, and the limiting block slides into the positioning groove and is clamped into the clamping groove when the liquid inlet support or the mounting bracket rotates.

[0013] Optionally, one of the spraying part or the mounting bracket is provided with a clamping groove, and the other is provided with a positioning member, the positioning member is used to be embedded into the clamping groove after the mounting bracket is assembled into the assembly hole.

[0014] Optionally, the spraying part is provided with a mounting hole for extending into the liquid inlet support, the spraying part is provided with a connecting assembly for positioning the relative positions of the spraying part and the liquid inlet support at the mounting hole, the connecting assembly comprises an elastic member, a first connecting block slidably connected to the spraying part, and the liquid inlet support is provided with a second connecting block, and in the natural state of the elastic member, the first connecting block and the second connecting block have coinciding abutting parts in the assembling direction of the liquid inlet support.

[0015] Optionally, the first connecting block and the second connecting block are both provided with an inner side surface and an outer side surface respectively arranged towards the inside and outside of the spraying part, and the inner side surface and the outer side surface are both inclined and intersect at one end close to each other.

[0016] In a third aspect, in order to improve the cleaning effect by using bubble water, the application provides a fruit and vegetable machine.

[0017] The fruit and vegetable machine comprises a washing system as disclosed in the technical scheme.

[0018] To sum up, the application has the following beneficial technical effects: by utilizing the height difference between the circulating liquid level and the liquid inlet of the power part, the power part can simultaneously suck in air when sucking in liquid in the containing cavity, so that the bubble water can be sprayed in the containing cavity by the spraying part, the complexity of the structure for generating bubble water is reduced, the maintenance risk is reduced, and the cleaning effect on the fruit and vegetable or seafood to be cleaned is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a partial explosion schematic diagram of a washing system disclosed by an embodiment of the application.

[0020] Figure 2 is an explosion schematic diagram of a power part of a washing system disclosed by an embodiment of the application.

[0021] Figure 3 is an explosion schematic diagram of a spraying part of a washing system disclosed by an embodiment of the application.

[0022] Figure 4 is a sectional view of a power part of a washing system disclosed by an embodiment of the application.

[0023] Figure 5 is a sectional view of a power part and a spraying part of a washing system disclosed by an embodiment of the application.

[0024] Figure 6 is Figure 5 is a partial enlarged view in

[0025] Figure 7 is a partial explosion structural schematic diagram of a fruit and vegetable machine disclosed by an embodiment of the application.

[0026] Figure 8 is a schematic diagram of an initial liquid level of a cleaning method disclosed by an embodiment of the application.

[0027] Figure 9 is a schematic diagram of a circulating liquid level of a cleaning method disclosed by an embodiment of the application.

[0028] Figure 10 is a schematic diagram of the height of a liquid inlet of a cleaning method disclosed by an embodiment of the application.

[0029] Explanation of reference numerals: 1, container; 10, containing cavity; 100, assembly hole; 2, spraying part; 200, mounting hole; 20, spraying channel; 201, spraying hole; 202, through hole; 2011, spraying head; 21, spraying upper part; 211, folded edge part; 22, spraying lower part; 23, guide piece; 24, guide rib; 3, power part; 31, impeller; 311, combination column; 3110, shaft hole; 32, liquid inlet support; 320, liquid inlet; 321, center hole; 322, annular groove; 323, clamping groove; 324, loading groove; 33, driving piece; 30, circulating channel; 4, mounting bracket; 5, sealing ring; 6, limiting block; 7, limiting groove; 71, positioning groove; 72, clamping groove; 9, positioning piece; 110, first connecting block; 111, second connecting block; 112, elastic piece; 1101, outer side surface; 1102, inner side surface; 12, fruit and vegetable basket; 13, cover plate. Embodiment

[0030] The application will be further described in detail below with reference to the accompanying drawings.

[0031] The application discloses a washing system.

[0032] Reference Figures 1-3 The application discloses a washing system, which comprises a container 1 with a containing cavity 10, a spraying part 2 with a spraying channel 20 formed inside, and a power part 3 with a circulating channel 30 formed inside, wherein the spraying part 2 is provided with a spraying hole 201 communicating with the spraying channel 20. The bottom of the containing cavity 10 is used for storing washing liquid. The washing liquid and gas are sucked into the circulating channel 30 by the power part 3, and then pumped into the spraying channel 20. The bubble water is sprayed into the containing cavity 10 through the spraying hole 201 to clean the objects to be cleaned. The washing water flows back to the bottom of the containing cavity 10, so that the circulation cleaning is realized.

[0033] In the embodiment, the container 1 is a rectangular parallelepiped with an upper opening structure. The containing cavity 10 is formed in the interior of the container 1 and communicates with the upper opening. The containing cavity 10 is used for placing the objects to be cleaned. The bottom of the containing cavity 10 is used for storing the washing liquid. In other embodiments, the container 1 can be designed into different shapes and structures according to actual use requirements, such as a cylinder or a multi-prism or an elliptical cylinder.

[0034] Reference Figure 2 and Figure 4The power part 3 comprises an impeller 31, a liquid inlet support 32 and a driving member 33, the impeller 31 is partially arranged in the jet flow channel 20; a part of the circulating flow channel 30 is shaped in the impeller 31, and a part of the circulating flow channel 30 is shaped in the liquid inlet support 32. The circulating flow channel 30 and the jet flow channel 20 are communicated, the liquid inlet support 32 is provided with a liquid inlet 320, the circulating flow channel 30 is communicated with the containing cavity 10 through the liquid inlet 320, and the driving member 33 is used for driving the impeller 31 to rotate and making the liquid and gas mixture in the containing cavity 10 enter the circulating flow channel 30 to form bubble water, and then the bubble water is sprayed out from the jet flow channel 20 through the jet hole 201.

[0035] The spraying part 2 comprises a spraying upper part 21 and a spraying lower part 22 which are combined and installed, the shapes of the spraying upper part 21 and the spraying lower part 22 can be designed correspondingly according to the shape structure of the container 1, and in the embodiment, the spraying part 2 is a rectangle with four corners which are circular chamfers in the top view, so that the spraying part 2 can cover a larger range in the containing cavity 10 as far as possible. The spraying part 2 is provided with through holes 202 which penetrate the upper and lower sides of the spraying part 2 at positions close to the two ends in the length direction.

[0036] The spraying upper part 21 and the spraying lower part 22 can be fixed by fasteners, adhesion or other fixing methods. The edges of the spraying upper part 21 and the spraying lower part 22 are both folded with oppositely arranged folded edge parts 211, and the two folded edge parts 211 can be buckled with each other.

[0037] The spraying lower part 22 is provided with a mounting hole 200 which is used for mounting the power part 3 at a position close to the center, so that the power part 3 can pump the washing liquid and gas mixture in the containing cavity 10 into the jet flow channel 20.

[0038] The jet flow channel 20 is shaped at the side opposite to the spraying upper part 21 and the spraying lower part 22, the edges of the spraying upper part 21 and the spraying lower part 22 are folded with guide pieces 23 at the positions of the through holes 202, and meanwhile, guide ribs 24 are formed at the side opposite to the spraying upper part 21 and the spraying lower part 22, parts of the guide ribs 24 and the guide pieces 23 constitute part of the jet flow channel 20, and parts between the guide pieces 23 and the folded edge parts 211 also form part of the jet flow channel 20.

[0039] The jet holes 201 are arranged in plurality on the upper surface of the spraying upper part 21, and the jet angles of the jet holes 201 can be set as all different or partly same and partly different. In the embodiment, the upper surface of the spraying upper part 21 is integrally formed with jet heads 2011 which correspond to the jet holes 201 one by one, the jet holes 201 are shaped at the top of the jet heads 2011 and communicated with the jet flow channel 20, the structure of the jet heads 2011 is in the shape of a semi-sphere, and the top of the jet heads 2011 is provided with an arc-shaped groove which is concave downward, so that the top of the jet heads 2011 forms inclined guide parts which are oppositely arranged at the two sides of the jet holes 201.

[0040] Reference Figure 2 and Figure 4 The impeller 31 is formed as a disc body, the water inlet of the impeller 31 is arranged at the bottom of the impeller 31, the water outlet of the impeller 31 is arranged in plurality along the circumferential direction of the impeller 31 and is arranged on the outer circumferential wall of the impeller 31, a part of the circulating flow channel 30 is formed in the impeller 31, and the water outlet and the water inlet of the impeller 31 are communicated through the circulating flow channel 30 inside the impeller 31.

[0041] The middle of the impeller 31 is formed with a connecting column 311, the center of the connecting column 311 is provided with a shaft hole 3110 matched with the output shaft of the driving member 33, the inner wall of the shaft hole 3110 is formed with one of a transmission key or a transmission groove, the output shaft of the driving member 33 is formed with the other one of the transmission key or the transmission groove, and the transmission key and the transmission groove are matched.

[0042] The washing system further comprises a mounting frame 4, the mounting frame 4 is provided with a fitting hole 100 corresponding to the mounting hole 200 at the bottom of the containing cavity 10 of the container 1, and is used for enabling the part of the power part 3 to extend into the mounting hole 200 through the fitting hole 100. The output shaft of the driving member 33 passes through the center hole 321 of the mounting frame 4 and is connected with the impeller 31, the liquid inlet support 32 is arranged on the side of the mounting frame 4 away from the driving member 33, and the mounting frame 4 is provided with a sealing ring 5 sealingly matched with the bottom of the container 1 outside the liquid inlet support 32.

[0043] In the embodiment, the mounting frame 4 is a disc body, and the fitting hole 100 is also a circular hole corresponding to the shape of the mounting frame 4.

[0044] The mounting frame 4 is fixedly connected to the top of the driving member 33 through fasteners, the driving member 33 is arranged at the bottom outside the container 1, an annular groove 322 is formed on the top surface of the mounting frame 4 away from the driving member 33, the sealing ring 5 is embedded in the annular groove 322, and the mounting frame 4 is fixedly connected to the bottom of the container 1 through the fasteners passing through the sealing ring 5. After the mounting frame 4 is mounted to the bottom outside the container 1, part of the mounting frame 4 extends into the fitting hole 100.

[0045] An annular clamping groove 323 is arranged on the inner side of the annular groove 322 of the mounting frame 4, and a positioning member 9 embedded in the annular clamping groove 323 is integrally formed on the outer bottom of the spraying lower part 22. Of course, in other embodiments, the clamping groove 323 can be formed on the bottom of the spraying lower part 22, and the positioning member 9 is formed on the top of the mounting frame 4. Thus, the relative position between the mounting frame 4 and the spraying part 2 can be better positioned.

[0046] In order to better assemble the liquid inlet support 32 and the mounting bracket 4, an installation groove 324 is arranged on the inner side of the clamping groove 323 at the top of the mounting bracket 4, and a limiting groove 7 is arranged on the inner side wall of the installation groove 324, the limiting groove 7 includes a positioning groove 71 arranged in the direction of the mounting bracket 4 being installed into the installation hole 100, and a clamping groove 72 arranged in the circumferential direction of the mounting bracket 4, the clamping groove 72 is communicated with the positioning groove 71. A limiting block 6 is arranged on the outer circumferential side wall of the liquid inlet support 32, the limiting block 6 is an arc-shaped block arranged in the circumferential direction of the liquid inlet support 32, in the process of installing the liquid inlet support 32 into the mounting bracket 4, the limiting block 6 is aligned with the top notch of the positioning groove 71 and clamped downward into the notch of the clamping groove 72, and then the liquid inlet support 32 is rotated, so that the limiting block 6 can be partially or entirely clamped into the clamping groove 72, the height of the clamping groove 72 is slightly greater than the thickness of the limiting block 6, so that the liquid inlet support 32 is difficult to be pulled out in the direction of the central axis of the mounting bracket 4. In the actual assembly process, when the end of the limiting block 6 is rotated to abut against the bottom wall of the clamping groove 72 away from the positioning groove 71, the relative position of the liquid inlet support 32 on the mounting bracket 4 is determined, which is convenient for subsequent connection with the spraying part 2.

[0047] In other embodiments, the limiting block 6 can be formed on the mounting bracket 4, and the limiting groove 7 is arranged on the liquid inlet support 32.

[0048] In the embodiment, the liquid inlet support 32 is a cylinder, the liquid inlet 320 is arranged on the outer circumferential wall of the liquid inlet support 32, a plurality of liquid inlets 320 can be arranged in the circumferential direction of the liquid inlet support 32, a communication opening 14 is arranged at the top of the liquid inlet support 32, and a partial circulation flow channel 30 is arranged in the interior of the liquid inlet support 32 for communicating the liquid inlet 320 and the communication opening 14. The liquid inlet 320 of the liquid inlet support 32 is communicated with the containing cavity 10, and the communication opening 14 of the liquid inlet support 32 is communicated with the water inlet at the bottom of the impeller 31. In actual assembly, part of the bottom of the impeller 31 can be inserted into the communication opening 14, so that the lowest height of the impeller 31 is flush with the highest height of the liquid inlet 320, and better pumping effect is achieved. The bottom of the liquid inlet support 32 is also provided with a middle hole for passing through the output shaft of the driving member 33.

[0049] Referring to Figure 5 and Figure 6 , in order to better limit the relative position of the spraying part 2 and the liquid inlet support 32, the spraying part 2 is provided with a connecting assembly at the position of the mounting hole 200, the connecting assembly includes a resilient member 112, a first connecting block 110 slidably connected to the spraying part 2, and a second connecting block 111 arranged on the liquid inlet support 32; in the natural state of the resilient member 112, the first connecting block 110 and the second connecting block 111 have coinciding abutting portions in the installation direction of the liquid inlet support 32.

[0050] The connecting assembly is centrally symmetrically provided with two groups of mounting holes 200.

[0051] A groove 15 is provided in the lower part 22 of the spray nozzle, which is connected to the mounting hole 200. The first connecting block 110 is slidably connected to the groove 15 along the radial direction of the mounting hole 200. One end of the first connecting block 110 can extend out of the groove 15 and into the mounting hole 200.

[0052] In this embodiment, the elastic element 112 is a spring. One end of the spring abuts against the end of the first connecting block 110 away from the center of the mounting hole 200, and the other end of the spring abuts against the lower spray part 22. In the natural state of the elastic element 112, the part of the first connecting block 110 away from the elastic element 112 extends out of the groove 15 and into the mounting hole 200.

[0053] The second connecting block 111 is disposed on the outer peripheral sidewall of the liquid inlet bracket 32, and the second connecting block 111 protrudes from the outer peripheral sidewall of the liquid inlet bracket 32.

[0054] During assembly, the spray section 2 is moved downwards, the first connecting block 110 abuts against the second connecting block 111, and the first connecting block 110 compresses the elastic member 112 and moves away from the center of the mounting hole 200, so that the second connecting block 111 can pass over the first connecting block 110 and be located above the first connecting block 110. At the same time, the first connecting block 110 extends out of the slide groove 15 again under the action of the elastic member 112 and abuts against the bottom of the second connecting block 111.

[0055] To facilitate smoother assembly of the spray unit 2 and the liquid inlet bracket 32, both the first connecting block 110 and the second connecting block 111 are provided with an inner side 1102 and an outer side 1101 facing inward and outward respectively towards the spray unit 2. Both the inner side 1102 and the outer side 1101 are inclined. The inner side 1102 and the outer side 1101 of the first connecting block 110 intersect at the end near the second connecting block 111, and the inner side 1102 and the outer side 1101 of the second connecting block 111 intersect at the end near the first connecting block 110. This ensures that the surfaces of the first connecting block 110 and the second connecting block 111 that abut during assembly are inclined surfaces, reducing the possibility of jamming during assembly.

[0056] In order to store a certain amount of washing liquid at the bottom of the receiving cavity 10, the bottom of the container 1 protrudes below the spray section 2, and the positioning member 9 at the bottom of the spray section 2 creates a liquid storage space between the bottom of the spray section 2 and the bottom of the receiving cavity 10.

[0057] The washing system disclosed by the embodiment of the application is characterized in that: the mounting frame 4 is first fixed to the top of the driving member 33, then the mounting frame 4 is fixed to the bottom outside the container 1 by using the fastener, and the sealing ring 5 on the mounting frame 4 can be in sealing cooperation with the part of the bottom of the container 1 outside the assembly hole 100. The limiting block 6 on the liquid inlet support 32 is aligned with the positioning groove 71, and then the limiting block 6 is inserted into the positioning groove 71, and then the liquid inlet support 32 is rotated so that the limiting block 6 can be clamped into the clamping groove 72. The spraying part 2 is moved downward, so that the positioning member 9 can be embedded into the clamping groove 323, and at the same time, the first connecting block 110 is switched from abutting against the inner side surface 1102 of the second connecting block 111 to abutting against the outer side surface 1101 of the second connecting block 111, so that the first connecting block 110 is located below the second connecting block 111, and the assembly of the spraying part 2 and the liquid inlet support 32 is realized.

[0058] The embodiment of the application further discloses a cleaning method, and the cleaning method uses the washing system disclosed by the above embodiment, and the washing system is used for Figures 8-10 , and the cleaning method comprises the following steps:

[0059] S1, liquid inlet, adding washing liquid at the bottom of the containing cavity 10 in the container 1, and accumulating and forming an initial liquid level before cleaning at the bottom of the containing cavity 10 in the container 1;

[0060] S2, bubble forming, the liquid gas in the containing cavity 10 is sucked into the power part 3 to form bubble water, and the initial liquid level is lowered;

[0061] S3, jet cleaning, the bubble water is delivered to the spraying part 2 by the power part 3, and then the bubble water is sprayed into the containing cavity 10 by the spraying part 2 and then back-flows to the bottom of the containing cavity 10, and a circulating liquid level is formed at the bottom of the containing cavity 10; the initial liquid level is greater than the circulating liquid level, and the circulating liquid level is greater than the highest height of the liquid inlet 320 of the power part 3 used for sucking liquid.

[0062] In the embodiment, the initial liquid level is higher than the height of the jet hole 201 of the spraying part 2, when the driving member 33 drives the impeller 31 to start rotating, the washing liquid gas at the bottom of the containing cavity 10 enters the circulating flow channel 30 inside the liquid inlet support 32 from the liquid inlet 320 of the liquid inlet support 32, then flows to the circulating flow channel 30 of the impeller 31 from the circulating flow channel 30 of the liquid inlet support 32, and then enters the spraying flow channel of the spraying part 2 from the water outlet of the impeller 31, and then is sprayed outwards from the jet hole 201 of the spraying part 2 and then returns to the bottom of the containing cavity 10, and at the same time, the initial liquid level is lowered, and air enters the liquid inlet 320 of the liquid inlet support 32 at the same time, to form bubble water.

[0063] In order to generate more bubbles in the washing liquid, the value between the highest height and the lowest height of the liquid inlet 320 of the power part 3 is 12mm-20mm, the value between the highest water level of the circulating liquid level and the lowest height of the liquid inlet 320 of the power part 3 is 12mm-30mm; the value between the highest water level of the initial liquid level and the lowest height of the liquid inlet 320 of the power part 3 is 15mm-45mm.

[0064] In the above cleaning method, it is not necessary to add additional air supply device to add gas to the washing liquid, and because the water suction level of the liquid inlet 320 of the power part 3 is low, when the driving part 33 works, it can directly suck in the mixture of air and washing liquid, so as to form bubble water, and then by using the explosion of the bubbles, the mud and sand on the surface of fruits and vegetables or seafood can be stripped, so as to achieve better cleaning effect.

[0065] The influence of the above washing system and cleaning method on the bubble generating function is studied by the following test

[0066] 1. Experimental load sample

[0067] Select potatoes with similar size, no damage, no pests, and no visible mud and sand on the surface as the load of this test. The mass of a single sample should be in the range of (175±25) g.

[0068] 2. Experimental materials

[0069] 2.1 Standard clay

[0070] Particle size range: (15~50) μm.

[0071] 2.2 Pure water

[0072] 3. Preparation of standard sample

[0073] Wash the potatoes with pure water until there is no residue on the surface, and dry or air dry the surface water droplets for standby.

[0074] b) Weigh m=(1000±20) g potatoes as the sample to be added.

[0075] c) Take a certain amount of clay, mix it with pure water in a mass ratio of 1.5:1 to form a mixture and weigh it, calculate the mass fraction X of clay in the mixture, and evenly apply the mixture with mass m0 on the test sample, and dry it at 25℃±5℃, air speed (1~2) m / s for 2h, so that the surface is free of liquid droplets. Calculate the weight W0 of the added standard X×m0.

[0076] d) The amount of added standard should meet the following table requirements.

[0077] Make samples with different structures, and test the following test data.

[0078] The bubble generating function is greatly affected by the height of the liquid inlet and the circulating liquid level. When the height of the liquid inlet is 10mm-20mm and the height of the circulating liquid level is 12mm-30mm, the bubble generating function is best, and the corresponding washing effect is also good.

[0079] The embodiment of the present application also discloses a fruit and vegetable machine, referring to Figure 7 The fruit and vegetable machine comprises the washing system disclosed in the above embodiment, and further comprises a fruit and vegetable basket 12 arranged in the container 1 and a cover plate 13 arranged on the top of the container 1.

[0080] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A cleaning method characterized by: It comprises the following steps: S1 liquid feeding, comprising a container (1) with a containing cavity (10), a washing liquid is added into the container (1), and an initial liquid level is formed at the bottom of the containing cavity (10) before cleaning; S2 bubble forming, comprising a power part (3), the liquid in the containing cavity (10) is mixed with gas and inhaled by the power part (3) to form bubble water, and the initial liquid level is lowered; S3 jet cleaning, comprising a spraying part (2), the bubble water is delivered to the spraying part (2) by the power part (3), and then sprayed into the containing cavity (10) by the spraying part (2) and backflows to the bottom of the containing cavity (10), and a circulating liquid level is formed at the bottom of the containing cavity (10); the initial liquid level is greater than the circulating liquid level, and the circulating liquid level is greater than the highest height of a liquid inlet (320) of the power part (3) for inhaling liquid; The spraying part (2) is internally formed with a jet flow channel (20), the power part (3) is internally formed with a circulating flow channel (30), the spraying part (2) is provided with a jet hole (201), the power part (3) comprises an impeller (31), a liquid inlet support (32) and a driving member (33), and part of the impeller (31) is arranged in the jet flow channel (20); part of the circulating flow channel (30) is formed in the impeller (31), and part of the circulating flow channel (30) is formed in the liquid inlet support (32); the circulating flow channel (30) and the jet flow channel (20) are connected, the liquid inlet support (32) is provided with the liquid inlet (320), the circulating flow channel (30) is connected with the containing cavity (10) through the liquid inlet (320), and the driving member (33) is used for driving the impeller (31) to rotate and making the liquid mixed with gas in the containing cavity (10) enter the circulating flow channel (30), and then sprayed out from the jet hole (201) through the jet flow channel (20) from the circulating flow channel (30).

2. The cleaning method of claim 1, wherein: The value between the highest height and the lowest height of the liquid inlet (320) of the power part (3) is 10mm-20mm, and the value between the highest water level of the circulating liquid level and the lowest height of the liquid inlet (320) of the power part (3) is 12mm-30mm.

3. The cleaning method of claim 1, wherein: The value between the highest water level of the initial liquid level and the lowest height of the liquid inlet (320) of the power part (3) is 15mm-45mm.

4. A washing system characterized by: The system comprises a container (1) with a containing cavity (10), a spraying part (2) with a spraying channel (20) formed inside, and a power part (3) with a circulating channel (30) formed inside. The spraying part (2) is provided with a spraying hole (201). The power part (3) comprises an impeller (31), a liquid inlet support (32), and a driving member (33). Part of the impeller (31) is placed in the spraying channel (20). Part of the circulating channel (30) is formed in the impeller (31), and part of the circulating channel (30) is formed in the liquid inlet support (32). The circulating channel (30) and the spraying channel (20) are connected. The liquid inlet support (32) is provided with a liquid inlet (320). The circulating channel (30) is connected with the containing cavity (10) through the liquid inlet (320). The driving member (33) is used to drive the impeller (31) to rotate, and to make the liquid and gas in the containing cavity (10) enter the circulating channel (30), and to be sprayed out from the spraying hole (201) through the spraying channel (20) and the circulating channel (30). The system comprises the following cleaning steps: S1 liquid feeding, adding washing liquid in the container (1), and storing the initial liquid level before cleaning at the bottom of the containing cavity (10) of the container (1); S2 bubble forming, the power part (3) sucking the liquid and gas in the containing cavity (10) to form bubble water, and reducing the initial liquid level; S3 spraying cleaning, the bubble water being transported to the spraying part (2) by the power part (3), and then being sprayed into the containing cavity (10) by the spraying part (2), and then being returned to the bottom of the containing cavity (10), and forming a circulating liquid level at the bottom of the containing cavity (10). The initial liquid level is greater than the circulating liquid level, and the circulating liquid level is greater than the highest height of the liquid inlet (320) for sucking liquid.

5. A washing system as claimed in claim 4, characterised in that: The highest height of the liquid inlet (320) is flush with the lowest height of the impeller (31).

6. A washing system according to claim 4, wherein: The system further comprises a mounting bracket (4). The bottom of the container (1) is provided with an assembly hole (100) for extending into part of the mounting bracket (4). The output shaft of the driving member (33) passes through the mounting bracket (4) and is connected with the impeller (31). The liquid inlet support (32) is arranged on the side of the mounting bracket (4) away from the driving member (33). The mounting bracket (4) is provided with a sealing ring (5) on the outside of the liquid inlet support (32) for sealing cooperation with the bottom of the container (1).

7. A washing system according to claim 6, characterised in that: One of the liquid inlet support (32) or the mounting bracket (4) is provided with a limiting block (6), and the other is provided with a limiting slot (7). The limiting slot (7) comprises a positioning slot (71) and a clamping slot (72) connected with each other. The limiting block (6) slides into the positioning slot (71) and is clamped into the clamping slot (72) when the liquid inlet support (32) or the mounting bracket (4) rotates.

8. A washing system according to claim 6, characterised in that: One of the spraying part (2) or the mounting bracket (4) is provided with a clamping slot (323), and the other is provided with a positioning member (9). The positioning member (9) is used to be embedded into the clamping slot (323) after the mounting bracket (4) is assembled into the assembly hole (100).

9. A washing system according to claim 4, wherein: The spraying part (2) is provided with a mounting hole (200) for extending into the liquid inlet support (32), the spraying part (2) is provided with a connecting assembly for positioning the relative position of the spraying part (2) and the liquid inlet support (32) at the mounting hole (200), the connecting assembly comprises an elastic member (112), a first connecting block (110) slidably connected to the spraying part (2), and the liquid inlet support (32) is provided with a second connecting block (111); in the natural state of the elastic member (112), the first connecting block (110) and the second connecting block (111) have coinciding abutting parts in the loading direction of the liquid inlet support (32).

10. A washing system as claimed in claim 9, characterised in that: The first connecting block (110) and the second connecting block (111) are both provided with an inner side (1102) and an outer side (1101) respectively arranged towards the inside and outside of the spraying part (2), and the inner side (1102) and the outer side (1101) are both inclined and intersect at one end close to the first connecting block (110) and the second connecting block (111).

11. A fruit and vegetable machine characterized by comprising: The washing system comprises the washing system according to any one of claims 4-10.

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