Cleaning device of refrigeration equipment containing box, refrigeration equipment and control method

Abstract

The invention relates to the technical field of refrigeration equipment, and discloses a cleaning device of a refrigeration equipment containing box, refrigeration equipment and a control method. The cleaning device comprises a refrigeration unit; the bubble water preparation unit comprises a water tank, a pumping device and a bubble generator; the bubble water preparation unit is communicated with a containing box of the refrigeration equipment through a flushing water path; and the switching mechanism comprises a first switching assembly and a second switching assembly, the first switching assembly is arranged in the refrigeration flow path, and the second switching assembly is arranged in the bubble preparation water path and the flushing water path. The switching mechanism is controlled to communicate the water tank of the bubble water preparation unit with the bubble generator to prepare bubble water, and then the bubble water is conveyed to the containing box of the refrigeration equipment through the flushing water way to effectively flush the containing box. Nanoscale bubbles produced by the bubble generator can penetrate into tiny gaps of the containing box, cleaning dead corners are avoided, stains and bacterial residues are avoided, and the sanitary safety of the refrigeration equipment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of refrigeration equipment, in particular to a cleaning device for a refrigeration equipment containing box, a refrigeration equipment and a control method. BACKGROUND

[0002] The containing box of the refrigeration equipment mainly relies on manual brushing or simple water flow flushing technology. Taking an ice-making box as an example, manual cleaning needs manual operation, which is time-consuming and laborious, and the deep part of the groove of the box body is easy to be missed, resulting in stain and bacteria residue; water flow flushing is partially automated, but the water flow pressure is insufficient or the direction is fixed, which cannot effectively penetrate the complex groove structure, causing cleaning dead angle; moreover, cleaning agent residue is easy to cause secondary pollution, affecting the health and safety of the refrigeration equipment. SUMMARY

[0003] Therefore, the present application provides a cleaning device for a refrigeration equipment containing box, a refrigeration equipment and a control method, to solve the problem that the containing box of the refrigeration equipment adopts manual or simple water flushing cleaning method, which has cleaning dead angle, is easy to cause stain and bacteria residue, and affects the health and safety of the refrigeration equipment.

[0004] In a first aspect, the present application provides a cleaning device for a refrigeration equipment containing box, comprising: a refrigeration unit, which is formed with a refrigeration flow path, wherein a compressor, a condenser and an evaporator are arranged in the refrigeration flow path; a bubble water preparation unit, which comprises a water tank, a pumping device and a bubble generator; the bubble water preparation unit is formed with a bubble preparation water path and a flushing water path; the water tank and the bubble generator are arranged in the bubble preparation water path; the bubble water preparation unit is communicated with the containing box of the refrigeration equipment through the flushing water path; a switching mechanism, which comprises a first switching component and a second switching component; the first switching component is arranged in the refrigeration flow path, and the second switching component is arranged in the bubble preparation water path and the flushing water path.

[0005] Beneficial effects: By controlling the switching mechanism to communicate the water tank of the bubble water preparation unit with the bubble generator to prepare bubble water, and then through the flushing waterway to the containing box of the refrigeration equipment to effectively flush the containing box. The nanoscale bubbles generated by the bubble generator can penetrate into the fine gaps of the containing box, leaving no cleaning dead angle, causing no stains and bacterial residues, and without secondary pollution by using chemical cleaning agents, improving the hygiene and safety of the refrigeration equipment. The nanoscale bubbles have high stability in low-temperature environment, and their surface tension is low, so they can more easily penetrate into the gaps, grooves or micropores of ice residue on the surface of the containing box. When the bubbles burst, they will produce a small impact force (cavitation effect), which can physically remove stubborn stains (such as frost in the freezer compartment of the refrigerator, scale in the ice-making box, and food oil stains in the freezer, etc.), even at low temperature, eliminating the problem of reduced activity of cleaning agents due to too low temperature, reducing the use of chemical cleaning agents, and being more suitable for cleaning food contact parts. Due to the high dissolved oxygen content in bubble water, the high-oxygen environment can inhibit the growth of mold and bacteria in the refrigeration equipment, especially in the dark corners or sealed gaps of the containing box, compared with ordinary water flushing, it can more effectively maintain cleanliness and reduce odor generation.

[0006] In an alternative embodiment, the bubble generator is a Venturi tube.

[0007] Beneficial effects: The size of the bubbles generated by conventional bubble generators is often uneven, while the flow rate at the throat of the Venturi tube is stable and the turbulent state is controllable. The high-speed fluid at the throat forms a stable shear force that cuts the inhaled gas into bubbles of more uniform size. Moreover, by adjusting the throat diameter, contraction / diffusion angle, inlet flow rate and other parameters, the bubble size can be precisely controlled to form nanoscale bubbles, which is difficult to achieve with simple bubble generators. The Venturi tube forms a negative pressure to inhale gas through the kinetic energy of the fluid itself, without the need for additional air pumps or fans, significantly reducing energy consumption. More importantly, it has no mechanical moving parts (such as impellers and valves), and the high-speed fluid at the throat can flush the inner wall of the pipe, reducing the attachment of impurities. Compared with bubble generators that rely on air pumps, it can effectively prevent the gas inlet from being blocked by contaminants, improving the stability of the equipment. In addition, the diffusion section of the Venturi tube forms a strong turbulent mixing zone, and the bubbles are repeatedly sheared and dispersed in the high-speed fluid, with a much larger gas-liquid contact area than ordinary aeration devices. This efficient mixing not only generates a large number of bubbles, but also simultaneously enhances the mass transfer efficiency of gas and liquid. The fluid dynamics generated by the high-speed jet can drive the surrounding liquid to circulate, forming a local stirring effect, which can reduce the use of additional stirring devices and simplify the structure. When the fluid reaches an extremely high flow rate at the throat of the Venturi tube, the local pressure may be lower than the saturated vapor pressure of the liquid, forming tiny bubbles (cavitation bubbles). These bubbles burst violently in the diffusion section as the pressure rises, generating transient high-pressure microjets and shock waves (cavitation effect). This effect not only enhances bubble generation, but also has a physical cleaning effect.

[0008] In an alternative embodiment, a throttle plug, a jet cavity and a gas mixing cavity are further arranged in the bubble preparation water path between the water tank and the bubble generator.

[0009] Beneficial effects: The throttle plug can increase the flow rate and reduce the pressure of the fluid when it passes through, according to Henry's law, the solubility of the dissolved gas in water decreases, thereby facilitating the gas to come out of the solution to form bubbles. At the same time, the small aperture design of the throttle plug can limit the flow and stabilize the pressure of the fluid, making the subsequent bubble generation more stable, and by reasonably designing the size and number of the throttle holes, the particle size and generation density of the bubbles can be controlled to obtain smaller particle size and more uniform bubbles. The jet cavity can form a high-speed jet flow of the fluid, generating strong shear force to cut the inhaled gas into small bubbles. Its internal structure can be designed in the form of a Laval tube, etc., further improving the flow rate and disturbance degree of the fluid, increasing the gas-liquid contact area and mixing effect, thereby improving the bubble generation efficiency and quality, and generating smaller and more uniform bubble particle size. The gas-liquid mixing cavity provides a specific space for gas-liquid mixing, allowing the gas and liquid to fully contact and mix. By reasonably designing the internal structure of the gas-liquid mixing cavity, such as setting reflective walls, scattering walls, etc., the water flow can form a complex flow path in the gas-liquid mixing cavity, prolonging the gas-liquid mixing time and enhancing the mixing effect, thereby generating more and more uniform bubbles. The synergistic effect of the throttle plug, the jet cavity and the gas-liquid mixing cavity can produce a stronger cavitation effect during bubble generation and movement. The small impact force generated when the bubble breaks can more effectively remove stubborn stains on the surface of the refrigeration equipment containing box, such as residual stains, scale, food oil stains, etc., and the cleaning effect is better. High-speed jet flow and sufficient mixing can also increase the dissolved oxygen content in the water, which can more effectively inhibit the growth of microorganisms in a high-oxygen environment, reduce the generation of odors, and improve the cleaning effect and hygiene level. The design of the throttle plug and the jet cavity can use the energy of the fluid itself to realize the inhalation of gas and the generation of bubbles, without the need for additional air pumps or other power equipment, thereby reducing energy consumption.

[0010] In an alternative embodiment, the flushing water path includes a water distribution pipe, and the prepared bubble water is divided into at least two branches and then connected to the containing box.

[0011] Beneficial effects: The water distribution pipe can redistribute and balance the pressure and flow of the bubble water. When the bubble water is branched from the main pipe to multiple branches, the structure and size of the water distribution pipe can make the pressure and flow of each branch relatively uniform, avoiding the situation that the pressure of a branch is too high or too low, or the flow is too large or too small, so as to ensure that each cleaning point can be effectively cleaned. The water distribution pipe can be provided with a valve or a connecting piece on each branch. When a branch fails or needs maintenance, the valve of the branch can be closed without affecting the normal operation of other branches. In this way, individual branches can be conveniently repaired and parts can be replaced, reducing the impact on the entire cleaning system, reducing maintenance cost and time. After the bubble water is branched into multiple branches, the nozzles or outlets of different branches can be arranged at different positions and angles, thereby expanding the cleaning coverage. When cleaning a large containment box, the bubble water of multiple branches can be sprayed from different directions to different parts of the containment box at the same time, ensuring that there is no dead angle for cleaning, and improving the cleaning effect.

[0012] In an alternative embodiment, a filter is arranged in the water supply pipeline of the water tank to supply pure water to the water tank.

[0013] Beneficial effects: The use of filtered pure water to prepare bubble water does not introduce impurities, ensuring that there is no odor in the containment box. In particular, when cleaning the ice-making box of the ice maker, the taste and purity of the ice cubes can be ensured, and the health and safety can be improved.

[0014] In an alternative embodiment, an ultraviolet lamp is arranged at the containment box.

[0015] Beneficial effects: The ultraviolet lamp can efficiently sterilize and disinfect, and inhibit the growth of microorganisms; the ultraviolet lamp can inhibit the odor substances produced by microbial metabolism while sterilizing, and cooperate with the cleaning process of the containment box to maintain the fresh smell of the containment box area for a long time. For the ice-making box, the ice cubes can be prevented from having an odor affecting the taste.

[0016] In an alternative embodiment, a heating branch is further arranged between the compressor and the evaporator; the first switching assembly comprises: A heating solenoid valve is arranged in the heating branch.

[0017] Beneficial effects: The heating branch is arranged in parallel with the refrigeration flow path between the compressor and the evaporator. By opening the heating solenoid valve in the heating branch, the heat of the compressor is used to provide heat by the evaporator through the heating solenoid valve according to the principle of reverse refrigeration, so as to improve the activity and bursting force of the micro-bubbles and improve the effect of cleaning and separating substances.

[0018] In an alternative embodiment, the second switching assembly comprises: A water inlet electromagnetic valve is arranged in the bubble preparation water path between the water tank and the throttle plug. A bubble electromagnetic valve is arranged in the bubble preparation water path between the jet flow cavity and the gas mixing cavity.

[0019] Beneficial effects: The water supply to the bubble preparation water path is controlled by the water inlet electromagnetic valve, and the opening and closing of the bubble electromagnetic valve is controlled, so that the communication of the bubble generator can be controlled, and the bubble preparation process can be reliably controlled.

[0020] In an optional embodiment, a check valve is arranged in the flushing water path.

[0021] Beneficial effects: The check valve arranged in the flushing water path can prevent the reverse flow of water in the branch or downstream to the core components such as the bubble generator. The check valve blocks the reverse water flow through the one-way conduction characteristic, and prevents the cleaning water with stains from entering the interior of the bubble generator to cause pollution and blockage.

[0022] In an optional embodiment, the bubble generator generates bubbles with a diameter of 50 nm to 200 nm.

[0023] Beneficial effects: The nanometer bubble size is much smaller than the micron-level stains and the micro-pores on the surface of the object, and can easily penetrate the interior of the stains or the gap. Through the cavitation effect and impact force when the bubble breaks, the stubborn stains can be stripped, and the flushing effect can be effectively improved.

[0024] In a second aspect, the application further provides a refrigeration device comprising the cleaning device described above; the cleaning device comprises a controller connected with the refrigeration unit, the bubble preparation unit and the switching mechanism.

[0025] Beneficial effects: Since the refrigeration device comprises the cleaning device of the application, it has the same technical effects as the cleaning device, which will not be described here.

[0026] In an optional embodiment, the refrigeration device is an ice maker, and the containing box is an ice making box.

[0027] Beneficial effects: The impact force of the bubbles can remove dirt and impurities on the surface and in the gap of the ice making box, clean without dead angles, reduce the difficulty and frequency of manual cleaning, save cleaning time and effort; since the cleaning effect is good, the breeding of microorganisms such as bacteria and viruses can be reduced, and the peculiar smell generated by the metabolism of microorganisms and the decomposition of food residues can also be reduced, keeping the ice making environment clean.

[0028] In a second aspect, the application further provides a control method of a refrigeration device, which is suitable for the refrigeration device described above, and the control method comprises: Obtaining the operation mode of the refrigeration device, the operation mode comprising a refrigeration mode and a cleaning mode; When the operation mode of the refrigeration equipment is the cleaning mode, the second switching assembly is controlled to be opened, the pumping device and the bubble generator are controlled to work, and the prepared bubble water enters the containing box through the flushing water channel to perform flushing.

[0029] Beneficial effects: By acquiring the operation mode of the refrigeration equipment, when the operation mode is the cleaning mode, the second switching assembly is controlled to be opened, the pumping device and the bubble generator are controlled to work, and the prepared bubble water is used to flush the containing box. The bubble water can enter the groove and the gap of the containing box to effectively clean, so that the cleaning dead angle is avoided, and the cleaning effect of the containing box is improved.

[0030] In an optional embodiment, the control method further comprises: acquiring a bubble water flushing duration; when the bubble water flushing duration is equal to or greater than a preset duration, the pumping device and the bubble generator are controlled to stop working, and the second switching assembly is controlled to be closed.

[0031] Beneficial effects: The preset duration is a flushing duration corresponding to a better cleaning effect and a higher energy efficiency. The bubble cleaning is stopped when the preset duration is reached, so that the cleaning needs are met, and energy waste is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the specific embodiments or the related art, the drawings needed to be used in the specific embodiments or the related art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0033] Figure 1 It is a connection structure diagram of a refrigeration equipment of an embodiment of the present application. Figure 2 It is a front view structure diagram of a bubble generator of an embodiment of the present application. Figure 3 It is a top view structure diagram of a bubble generator of an embodiment of the present application. Figure 4 It is a side view structure diagram of a bubble generator of an embodiment of the present application. Figure 5 It is a cross-sectional structure diagram of a Venturi tube-shaped bubble generator of an embodiment of the present application.

[0034] Explanation of reference signs: 1, water tank; 21, water inlet electromagnetic valve; 22, bubble electromagnetic valve; 23, ice making electromagnetic valve; 24, heating electromagnetic valve; 3. Throttle plug; 4. Jet cavity; 5. Circulating pump; 6. Mixing cavity; 7. Bubble generator; 8. Check valve; 9. Water distribution pipe; 10. Containing box; 11. Evaporator; 12. Capillary tube; 13. Dry filter; 14. Condenser; 15. Condensing fan; 16. Compressor; 17. Ultraviolet lamp; 18. Illumination lamp; 19. Ice storage tank. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0036] In the description of the application, it should be noted that, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it should also be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] The following will be describedFigures 1 to 5 The embodiments of the present application are described.

[0039] According to the embodiments of the present application, in one aspect, a cleaning device for a refrigeration equipment containing box 10 is provided, comprising: a refrigeration unit formed with a refrigeration flow path, the refrigeration flow path being provided with a compressor 16, a condenser 14 and an evaporator 11; a bubble water preparation unit comprising a water tank 1, a pumping device and a bubble generator 7; the bubble water preparation unit is formed with a bubble preparation water path and a flushing water path; the water tank 1 and the bubble generator 7 are arranged in the bubble preparation water path; the bubble water preparation unit is communicated with the containing box 10 of the refrigeration equipment through the flushing water path; a switching mechanism comprising a first switching component and a second switching component, the first switching component being arranged in the refrigeration flow path, and the second switching component being arranged in the bubble preparation water path and the flushing water path.

[0040] By controlling the switching mechanism to communicate the water tank 1 of the bubble water preparation unit with the bubble generator 7 for bubble water preparation, and then delivering to the containing box 10 of the refrigeration equipment through the flushing water path to effectively flush the containing box 10. The nanoscale bubbles generated by the bubble generator 7 can penetrate into the fine gaps of the containing box 10, without cleaning dead angles, causing no stains and bacteria residues, and without secondary pollution by using no chemical cleaning agents, improving the hygiene and safety of the refrigeration equipment. The nanoscale bubbles have higher stability in low temperature environment, and lower surface tension, which can more easily penetrate into the gaps, grooves or micropores of ice and frost residues on the surface of the containing box 10. When the bubbles burst, a small impact force (cavitation effect) is generated, which can physically strip stubborn stains (such as frost in the freezer compartment of the refrigerator, scale in the ice-making box and food oil stains in the freezer, etc.), even at low temperature, eliminating the problem of reduced activity of cleaning agents due to too low temperature, reducing the use of chemical cleaning agents, and being more suitable for cleaning food contact parts. Due to the high dissolved oxygen content in the bubble water, the high oxygen environment can inhibit the growth of mold and bacteria in the refrigeration equipment, especially in the dark corners or sealed gaps of the containing box 10, compared with ordinary water flushing, it can more effectively maintain cleanliness and reduce odor generation.

[0041] It should be noted that the cleaning device of the present application can be used for cleaning the refrigerator drawer, the ice-making box of the ice maker and the inner liner of the freezer, etc.

[0042] In some embodiments, the bubble generator 7 is in the form of a Venturi tube.

[0043] The bubble size of the conventional bubble generator 7 is often uneven, while the throat flow rate of the Venturi tube is stable and the turbulent state is controllable. The high-speed fluid forms a stable shear force at the throat, which cuts the inhaled gas into bubbles with more uniform size. Moreover, by adjusting the throat diameter, contraction / diffusion angle, inlet flow rate and other parameters, the bubble size can be precisely controlled to form nanoscale bubbles, which is difficult to achieve by the simple bubble generator 7. The Venturi tube forms a negative pressure to inhale gas by the kinetic energy of the fluid itself, without the need for additional air pumps or fans, significantly reducing energy consumption. More importantly, it has no mechanical moving parts (such as impellers and valves), and the high-speed fluid at the throat can flush the inner wall of the pipeline, reducing the attachment of impurities. Compared with the bubble generator 7 that relies on air pumps, it can effectively avoid the blockage of the gas inlet by pollutants and improve the stability of the equipment. In addition, the diffusion section of the Venturi tube forms a severe turbulent mixing zone, and the bubbles are repeatedly sheared and dispersed in the high-speed fluid, with a much larger gas-liquid contact area than ordinary aeration devices. This efficient mixing not only generates a large number of bubbles, but also simultaneously enhances the mass transfer efficiency of the gas and liquid. The fluid dynamics generated by the high-speed jet can drive the surrounding liquid to circulate, forming a local stirring effect, which can reduce the use of additional stirring devices and simplify the structure. When the fluid reaches an extremely high flow rate at the throat of the Venturi tube, the local pressure may be lower than the saturated vapor pressure of the liquid, forming tiny bubbles (cavitation bubbles). These bubbles collapse violently in the diffusion section as the pressure rises, generating transient high-pressure microjets and shock waves (cavitation effect). This effect not only enhances bubble generation, but also has a physical cleaning effect.

[0044] In some embodiments, a throttle plug 3, a jet chamber 4 and a gas mixing chamber 6 are further arranged in the bubble preparation water path between the water tank 1 and the bubble generator 7.

[0045] The throttle plug 3 can increase the flow rate of the fluid and reduce the pressure, according to Henry's law, the solubility of the dissolved gas in water is reduced, so as to facilitate the gas to form bubbles more easily. At the same time, the small aperture design of the throttle plug 3 can limit the flow and stabilize the pressure of the fluid, so that the subsequent bubble generation is more stable, and by reasonably designing the size and number of the throttle hole, the particle size and generation density of the bubbles can be controlled, and smaller particle size and more uniform bubbles can be obtained. The fluid can form a high-speed jet in the jet chamber 4, and a strong shear force is generated to cut the inhaled gas into small bubbles. The internal structure can be designed in the form of a Laval tube, etc., to further improve the fluid flow rate and disturbance degree, increase the gas-liquid contact area and mixing effect, thereby improving the bubble generation efficiency and quality, and generating smaller and more uniform bubbles. The gas mixing chamber 6 provides a specific space for gas-liquid mixing, so that the gas and liquid can fully contact and mix. By reasonably designing the internal structure of the gas mixing chamber 6, such as setting a reflection wall, a scattering wall, etc., the water flow can form a complex flow path in the gas mixing chamber 6, prolong the gas-liquid mixing time, and enhance the mixing effect, thereby generating more and more uniform bubbles. The synergistic effect of the throttle plug 3, the jet chamber 4 and the gas mixing chamber 6 can produce a stronger cavitation effect during the generation and movement of the bubbles. The small impact force generated when the bubbles break can more effectively peel off stubborn stains on the surface of the refrigeration equipment containing box 10, such as residual stains, scale, food oil stains, etc., and the cleaning effect is better. High-speed jet and sufficient mixing can also increase the dissolved oxygen content in the water, which can more effectively inhibit the breeding of microorganisms in a high-oxygen environment, reduce the generation of odors, and improve the cleaning effect and hygiene level. The design of the throttle plug 3 and the jet chamber 4 can use the energy of the fluid itself to realize the inhalation of the gas and the generation of the bubbles, without the need for additional air pumps or other power equipment, thereby reducing energy consumption.

[0046] In some embodiments, the flushing waterway includes a water distribution pipe 9, and the generated bubble water is distributed into at least two branches and then connected to the containing box 10.

[0047] The water distribution pipe 9 can redistribute and balance the pressure and flow of the bubble water. When the bubble water is branched from the main pipe to multiple branches, the structure and size of the water distribution pipe 9 can be designed to make the pressure and flow of each branch relatively uniform, avoiding the situation that the pressure of a certain branch is too high or too low, or the flow is too large or too small, so as to ensure that each cleaning point can be effectively cleaned. The water distribution pipe 9 can be provided with a valve or a connecting piece on each branch. When a certain branch fails or needs maintenance, the valve of the branch can be closed without affecting the normal operation of other branches. In this way, individual branches can be conveniently repaired and parts can be replaced, reducing the impact on the entire cleaning system, reducing maintenance costs and time. After the bubble water is branched into multiple branches, the nozzles or water outlets of different branches can be arranged at different positions and angles, thereby expanding the coverage of cleaning. When cleaning the large containment box 10, the bubble water of multiple branches can be sprayed from different directions to different parts of the containment box 10 at the same time, ensuring that there is no dead angle for cleaning and improving the cleaning effect.

[0048] In some embodiments, a filter is arranged in the water supply pipeline of the water tank 1 to supply pure water to the water tank 1.

[0049] Using filtered pure water to prepare bubble water can not introduce impurities, ensuring that there is no odor in the containment box 10. In particular, when cleaning the ice-making box of the ice maker, the taste and purity of the ice cubes can be ensured, and the health and safety can be improved.

[0050] In some embodiments, an ultraviolet lamp 17 is arranged at the containment box 10.

[0051] The ultraviolet lamp 17 can efficiently sterilize and disinfect, inhibit the growth of microorganisms; while sterilizing, the ultraviolet lamp 17 can inhibit the odor substances produced by microbial metabolism, cooperate with the cleaning process of the containment box 10, and keep the fresh smell of the area of the containment box 10 for a long time. For the ice-making box, the ice cubes can be prevented from having an odor affecting the taste.

[0052] In some embodiments, a heating branch is further arranged between the compressor 16 and the evaporator 11; the first switching assembly comprises: The heating solenoid valve 24 is arranged in the heating branch.

[0053] The heating branch is arranged between the compressor 16 and the evaporator 11 in parallel with the refrigeration flow path. By opening the heating solenoid valve 24 in the heating branch, the heat of the compressor 16 is provided by the evaporator 11 through the heating solenoid valve 24, so as to improve the activity and bursting force of the micro-bubbles and improve the effect of cleaning and separating substances.

[0054] In some embodiments, the second switching assembly comprises: The water inlet solenoid valve 21 is arranged in the bubble water preparation water path between the water tank 1 and the throttling plug 3; A bubble solenoid valve 22 is arranged in the bubble preparation water path between the jet chamber 4 and the mixing chamber 6.

[0055] The water supply to the bubble preparation water path is controlled by the water inlet solenoid valve 21, and the opening and closing of the bubble solenoid valve 22 is controlled, so that the communication of the bubble generator 7 can be controlled, and the bubble preparation process can be reliably controlled.

[0056] In some embodiments, a check valve 8 is arranged in the flushing water path.

[0057] The check valve 8 arranged in the flushing water path can prevent the water in the branch or downstream from flowing back to the core components such as the bubble generator 7 in the reverse direction. The check valve 8 blocks the reverse water flow through the one-way conduction characteristic, and prevents the cleaning water with stains from entering the interior of the bubble generator 7 to cause pollution and blockage.

[0058] In some embodiments, the bubble generator 7 generates bubbles with a diameter of 50 nm to 200 nm.

[0059] The size of the nanobubbles is much smaller than the micron-level stains and the micro-holes on the surface of the object, and the nanobubbles can easily penetrate the interior of the stains or the gap. Through the cavitation effect and impact force when the bubbles break, the stubborn stains can be stripped, and the flushing effect can be effectively improved.

[0060] According to an embodiment of the present application, in another aspect, a refrigeration device is also provided, which comprises a cleaning device. The cleaning device comprises a controller, and the controller is connected with a refrigeration unit, a bubble preparation unit and a switching mechanism, respectively.

[0061] Since the refrigeration device comprises the cleaning device of the present application, the same technical effects as the cleaning device are achieved, which will not be described here.

[0062] In some embodiments, the refrigeration device is an ice maker, and the containing box 10 is an ice making box.

[0063] The impact force of the bubbles can remove the dirt and impurities in the surface and gap of the ice making box, clean without dead angles, reduce the difficulty and frequency of manual cleaning, save cleaning time and effort, and reduce the breeding of bacteria and viruses and the generation of peculiar smell due to the metabolism of microorganisms and the decomposition of food residues, so as to keep the ice making environment clean.

[0064] The embodiment of the present application provides an ice making box cleaning device of a clean heat ice making system based on a water purification product. The cleaning device comprises an ice making unit, a bubble water preparation unit and a switching mechanism. The ice making unit comprises: A water tank or water tank 1 is a liquid storage container or cavity, which is in communication with the water purification product. An ultraviolet lamp 17 is used for sterilization / bacteriostasis of the ice making box to ensure the hygiene and safety of the ice making box. A temperature sensing bag is used to sense the outlet water temperature of the liquid. Ice storage tank 19: is the ice storage container or cavity, the bottom is formed with both can support ice and can leak back to the water tank structure; Ice box inductive switch: ice box take out or put back a kind of signal switch; Infrared sensor: whether the ice is full of a signal switch; Light 18: when the user takes ice, it is used for lighting when the ice box is taken out; Ice bar: set in the front end of the ice storage tank 19, the ice bar will be touched when the ice falls, and the inductive signal of each ice removal is fed back; Circulating pump 5: the water in the water tank 1 is pumped to the water distribution pipe 9 and flows into the ice making box, and when the flushing mode is started, the water is supplied to the bubble generator; Water distribution pipe 9: multiple holes are opened on the water distribution pipe 9 to slow down the water flow impact and make the water outlet uniform without splashing.

[0065] Ice making box: directly below the water distribution pipe 9, according to the customer's selection of different taste and taste of juice ice, the ice quantity is controllable; Water inlet solenoid valve 21: open control from water tank 1 water inlet; Throttle plug 3: reasonable distribution of pressure drop, reduce energy loss, quickly generate micro-bubbles and improve gas dissolution; Jet chamber 4: realize gas-liquid efficient mixing, energy optimization and bubble homogenization, its cooperation with throttle plug 3, air chamber and other components determines the performance of bubble water (such as bubble fineness, stability) and system energy efficiency. The jet chamber 4 and the atmosphere intake, because the atmosphere contains complex gas, in order to ensure the safety of air intake, the active carbon and ultrafiltration membrane composite filter are added in the air inlet to remove the color, odor, bacteria and viruses in the atmosphere; Bubble solenoid valve 22: control the primary bubble water from the circulating pump 5 into the bubble generator 7 for further breaking and homogenization; Gas mixing chamber 6: by limiting the fluid flow rate or increasing the path resistance, reducing the direct escape of insufficiently mixed gas, prolonging the bubble residence time, through the vortex design to quickly mix air, generating dense bubble water; Bubble generator 7: through the pressure difference and air flow injection to disperse air into liquid to form nanoscale bubbles; Refrigeration unit: a set of conventional refrigeration equipment, including compressor 16, condenser 14, condenser fan 15, drying filter 13, capillary tube 12, evaporator 11 and heating solenoid valve 24 (ice removal solenoid valve) and other components; wherein the evaporator 11 is directly behind the ice making box, responsible for the heat exchange of the water in the ice making box to become ice.

[0066] The working process of ice making mode and cleaning mode is described below.

[0067] In ice-making mode, water tank 1 provides ice-making raw material, compressor 16, condenser 14 and circulating pump 5, water inlet solenoid valve 21, and shunt solenoid valve work simultaneously. Compressor 16 compresses gaseous refrigerant in the low-pressure pipeline into a high-temperature and high-pressure state, and then, after passing through condenser 14, drying filter 13, capillary tube 12 and evaporator 11, becomes low-temperature and low-pressure gaseous state again and returns to compressor 16 for cyclic refrigeration. Circulating pump 5 causes water in the water tank to flow through the ice-making box cooled by evaporator 11 through the water distribution pipe 9. The high-temperature liquid is taken away by the ice mold, and the liquid temperature slowly decreases. When the temperature sensing bag reaches the set temperature, for example, 5-10℃, the circulating pump 5 stops working, the ice removal solenoid valve opens, and the high-temperature and high-pressure gas of the compressor 16 heats the evaporator 11, and the ice in the ice mold slowly melts. When a certain time is reached, the ice in the ice mold is separated from the ice mold and falls from the ice bump bar into the ice storage tank 19. When the ice bump bar signal is detected, the ice removal solenoid valve and the compressor 16 are closed simultaneously, and the ice-making water ends.

[0068] Water tank 1 provides water source, compressor 16, condenser 14 and circulating pump 5, water inlet solenoid valve, shunt solenoid valve work simultaneously. Compressor 16 compresses gaseous refrigerant in the low-pressure pipeline into a high-temperature and high-pressure state, and then, after passing through condenser 14, drying filter 13, capillary tube 12 and evaporator 11, becomes low-temperature and low-pressure gaseous state again and returns to compressor 16 for cyclic refrigeration. Circulating pump 5 causes water in the water tank to flow through the ice-making box cooled by evaporator 11 through the water distribution pipe 9. The high-temperature liquid is taken away by the ice mold, and the liquid temperature slowly decreases. When the temperature sensing bag reaches the set temperature, for example, 5-10℃, the circulating pump 5 stops working, the ice removal solenoid valve opens, and the high-temperature and high-pressure gas of the compressor 16 heats the evaporator 11, and the ice in the ice mold slowly melts. When a certain time is reached, the ice in the ice mold is separated from the ice mold and falls from the ice bump bar into the ice storage tank 19. When the ice bump bar signal is detected, the ice removal solenoid valve and the compressor 16 are closed simultaneously, and the ice-making water ends.

[0069] In the flushing mode, the circulating pump 5, the water inlet electromagnetic valve 21, the throttle plug 3, the jet chamber 4, the steam pocket electromagnetic valve, the gas mixing chamber 6 and the bubble generator 7 are started synchronously, the ice making electromagnetic valve 23 is closed, the nano-bubble water is generated and flows into the ice making box through the shunt pipe, the nano-bubble water flows into the ice making box from top to bottom, the dirt in the groove is flushed, the flushing is completed after 3 minutes of operation, and the ultraviolet lamp 17 is automatically started for sterilization for 2 minutes, so that the cleaning effect and safety are further enhanced, the bacteria removal rate can reach more than 99%, the dirt and bacteria in the groove of the ice making box are completely removed, the glossiness of the surface after cleaning is improved, water source waste is reduced, energy saving and environmental protection are achieved.

[0070] According to the embodiment of the present application, in a further aspect, a control method of the refrigeration equipment is also provided, comprising: obtaining the operation mode of the refrigeration equipment, the operation mode comprising a refrigeration mode and a cleaning mode; when the operation mode of the refrigeration equipment is the cleaning mode, controlling the second switching assembly to be opened, the pumping device and the bubble generator 7 to be started to work, and the generated bubble water to enter the containing box 10 for flushing.

[0071] By obtaining the operation mode of the refrigeration equipment, when the operation mode is the cleaning mode, the second switching assembly is controlled to be opened, the pumping device and the bubble generator 7 are controlled to be started to work, and the generated bubble water is used to flush the containing box 10, the bubble water can enter the groove and the gap of the containing box 10 for effective cleaning, so that the cleaning dead angle is avoided and the cleaning effect of the containing box 10 is improved.

[0072] In some embodiments, the control method further comprises: obtaining the bubble water flushing time length; when the bubble water flushing time length is equal to or greater than the preset time length, the pumping device and the bubble generator 7 are controlled to stop working, and the second switching assembly is controlled to be closed.

[0073] The preset time length is the flushing time length corresponding to better cleaning effect and higher energy efficiency, and the bubble cleaning is stopped after the preset time length is reached, so that the cleaning needs are met and energy waste is avoided.

[0074] Although the embodiments of the present application are described in combination with the drawings, various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and variations all fall within the scope defined by the present application.

Claims

1. A cleaning device for a refrigeration equipment container, characterized in that, include: The refrigeration unit has a refrigeration flow path, in which a compressor (16), a condenser (14) and an evaporator (11) are provided. A bubble water preparation unit includes a water tank (1), a pumping device, and a bubble generator (7); the bubble water preparation unit forms a bubble preparation water path and a rinsing water path; the water tank (1) and the bubble generator (7) are arranged in the bubble preparation water path; the bubble water preparation unit is connected to the refrigeration equipment's container (10) through the rinsing water path; The switching mechanism includes a first switching component and a second switching component. The first switching component is disposed in the cooling flow path, and the second switching component is disposed in the bubble preparation water path and the rinsing water path.

2. The cleaning device according to claim 1, characterized in that, The bubble generator (7) is a Venturi tube.

3. The cleaning device according to claim 1, characterized in that, The bubble preparation water path between the water tank (1) and the bubble generator (7) is also equipped with a throttling plug (3), a jet chamber (4) and a mixing chamber (6).

4. The cleaning device according to claim 1, characterized in that, The rinsing water path includes a water distribution pipe (9), and the generated bubble water is divided into at least two branches and then connected to the container (10).

5. The cleaning apparatus according to any one of claims 1 to 4, characterized in that, The water supply pipeline of the water tank (1) is equipped with a filter to supply pure water to the water tank (1).

6. The cleaning apparatus according to any one of claims 1 to 4, characterized in that, An ultraviolet lamp (17) is provided at the container (10).

7. The cleaning apparatus according to any one of claims 1 to 4, characterized in that, A heating branch is also provided between the compressor (16) and the evaporator (11); the first switching component includes: A heating solenoid valve (24) is installed in the heating branch.

8. The cleaning device according to claim 3, characterized in that, The second switching component includes: A water inlet solenoid valve (21) is installed in the bubble preparation water path between the water tank (1) and the throttle plug (3); A bubble solenoid valve (22) is disposed in the bubble preparation water path between the jet chamber (4) and the mixing chamber (6).

9. The cleaning apparatus according to any one of claims 1 to 4, characterized in that, The flushing water path is equipped with a check valve (8).

10. The cleaning apparatus according to claim 1, characterized in that, The bubble generator (7) generates bubbles with a diameter of 50nm to 200nm.

11. A refrigeration device, characterized in that, The cleaning device includes any one of claims 1 to 10; the cleaning device includes a controller, which is connected to the refrigeration unit, the bubble preparation unit and the switching mechanism respectively.

12. The refrigeration equipment according to claim 11, characterized in that, The refrigeration equipment is an ice maker, and the container (10) is an ice box.

13. A control method for a refrigeration device, applicable to the refrigeration device according to claim 11 or 12, characterized in that, The control method includes: The operating mode of the refrigeration equipment is obtained, and the operating mode includes a refrigeration mode and a cleaning mode; When the operating mode of the refrigeration equipment is cleaning mode, the second switching component is turned on, the pumping device and the bubble generator (7) are started, and the generated bubble water enters the container (10) through the rinsing water path for rinsing.

14. The control method according to claim 13, characterized in that, Also includes: Obtain the rinsing time for the sparkling water; When the rinsing time of the bubble water is equal to or greater than the preset time, the pumping device and the bubble generator (7) are controlled to stop working, and the second switching component is controlled to shut down.

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