Washing equipment

Abstract

The present invention discloses a washing device, comprising: an inner tank assembly, a bubble generating device and a washing pump, wherein the inlet of the washing pump is connected to the inner tank assembly, the outlet of the washing pump is respectively connected to the inlet of the bubble generating device and the inner tank assembly, and the washing pump is connected to the inner tank assembly to form a main circulation path, wherein the outlet of the bubble generating device is connected to the inlet of the washing pump so that the bubble generating device and the washing pump are connected in parallel to form a circulation branch; or the outlet of the bubble generating device is connected to the inner tank assembly so that the bubble generating device, the washing pump and the inner tank assembly are connected in series. According to the washing device of the embodiment of the present invention, the washing pump can be used to provide energy to produce bubbles for washing.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning equipment, in particular to a washing equipment. Background Art

[0002] A dishwasher is a machine that uses chemical, mechanical, thermal and electrical methods to wash, rinse and dry tableware such as bowls, plates, glassware, cutlery and cooking utensils.

[0003] At present, household dishwashers all use water spraying for cleaning. However, such water spraying dishwashers are difficult to clean ordinary Chinese tableware due to the water spraying angle problem. On the other hand, the cleaning effect is always unsatisfactory due to the short contact time between the cleaning liquid and the tableware after spraying. In view of this, water spraying dishwashers have not been popularized in Chinese households. Summary of the invention

[0004] An object of the present invention is to provide a washing device that can utilize a washing pump to provide energy to generate bubbles for washing.

[0005] According to an embodiment of the present invention, a washing device includes: an inner tank assembly, a bubble generating device and a washing pump, wherein the inlet of the washing pump is connected to the inner tank assembly, and the outlet of the washing pump is respectively connected to the inlet of the bubble generating device and the inner tank assembly, and the washing pump is connected to the inner tank assembly to form a main circulation path, wherein the outlet of the bubble generating device is connected to the inlet of the washing pump so that the bubble generating device and the washing pump are connected in parallel to form a circulation branch; or the outlet of the bubble generating device is connected to the inner tank assembly so that the bubble generating device, the washing pump and the inner tank assembly are connected in series.

[0006] The washing device according to the embodiment of the present invention can utilize a washing pump to provide energy to generate bubbles for washing.

[0007] In addition, the washing device according to the above embodiment of the present invention may also have the following additional technical features:

[0008] In some embodiments, the bubble generating device includes a bubbler, the inlet of the bubbler is connected to the outlet of the washing pump, and the outlet of the bubbler is connected to the inlet of the washing pump or the inner tank assembly.

[0009] In some embodiments, the bubble generating device further comprises an air dissolving chamber having a liquid inlet and a liquid outlet, wherein the liquid inlet of the air dissolving chamber is connected to the inlet of the washing pump, and the liquid outlet of the air dissolving chamber is connected to the inlet of the bubbler.

[0010] In some embodiments, the gas dissolving chamber further includes a vent, and the bubble generating device further includes a vent valve, and the vent valve is connected to the vent of the gas dissolving chamber.

[0011] In some embodiments, the bubble generating device further includes an air pump, and two ends of the vent valve are respectively connected to the vent of the air dissolving chamber and the air pump.

[0012] In some embodiments, the bubble generating device also includes a bypass member, which has a tapered section, a throat and a gradually expanding section connected in sequence from an inlet to an outlet, wherein the outlet of the washing pump is respectively connected to the liquid inlet of the air dissolving chamber, the tapered section of the bypass member and the inner tank assembly.

[0013] In some embodiments, the gas dissolving chamber further has a liquid discharge port, and the bubble generating device further includes a first switch valve, one end of the first switch valve is connected to the throat of the bypass member, and the other end of the first switch valve is connected to the liquid discharge port of the gas dissolving chamber.

[0014] In some embodiments, the outlet of the washing pump is connected to a first switching unit, and the first switching unit is respectively connected to the liquid inlet of the gas dissolving chamber, the inlet of the bypass piece, and the inner liner assembly. The first switching unit selectively connects the liquid inlet of the gas dissolving chamber, the inlet of the bypass piece, the inner liner assembly and the outlet of the washing pump.

[0015] In some embodiments, the outlet of the washing pump is connected to a second switching unit, and the second switching unit is respectively connected to the inlet of the bubble generating device and the inner tank assembly, and the second switching unit selectively connects the inlet of the bubble generating device, the inner tank assembly and the outlet of the washing pump.

[0016] In some embodiments, a second switch valve is connected between the inlet of the bubble generating device and the outlet of the washing pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a water circuit diagram of a washing device according to an embodiment of the present invention.

[0018] Figure 2 It is a water circuit diagram of a washing device according to an embodiment of the present invention.

[0019] Figure 3 It is a water circuit diagram of a washing device according to an embodiment of the present invention.

[0020] Figure 4 It is a water circuit diagram of a washing device according to an embodiment of the present invention.

[0021] Figure 5 It is a water circuit diagram of a washing device according to an embodiment of the present invention.

[0022] Figure 6It is a schematic diagram of a bypass member (Venturi tube) in a bubble generating device according to an embodiment of the present invention.

[0023] Figure 7 It is a schematic diagram of a bypass member (a local structure of a jet pump) in a bubble generating device according to an embodiment of the present invention.

[0024] Figure numerals: washing equipment 100, inner tank assembly 1, bubble generating device 2, washing pump 3, air dissolving chamber 21, air pump 22, vent valve 23, bypass piece 24, tapered section 241, throat 242, gradually expanding section 243, first switch valve 25, bubbler 26, first switching unit 41, second switching unit 42, second switch valve 43, drain valve 5, drain pump 6. DETAILED DESCRIPTION

[0025] Microbubbles have the characteristics of charged adsorption, detergent solubility, and mechanical vibration generated by bubble rupture. This technology may help in the dissolution of detergents, grease removal, removal of agricultural residues from fruits and vegetables, and filtering of pollutants, and improve the cleaning rate. Microbubble generation technology can be divided into: electrolysis, ultrasonic cavitation, throttling cavitation, low-pressure suction and other methods. Among them, increasing the pressure can increase the solubility rate of gas in liquid and increase the concentration of bubbles generated in the throttling cavitation process.

[0026] The present invention provides a device for generating microbubbles by using the energy of a washing pump 3, and the microbubbles can be used to participate in the washing process of a washing device 100. The washing device 100 in the present invention can be a cleaning device including a dishwasher.

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] like Figures 1 to 5 The washing device 100 according to an embodiment of the present invention includes: an inner tank component 1, a bubble generating device 2 and a washing pump 3.

[0029] Specifically, the inlet of the washing pump 3 is connected to the inner tank assembly 1, the outlet of the washing pump 3 is connected to the inner tank assembly 1, and the washing pump 3 and the inner tank assembly 1 are connected to form a circulation main circuit for washing. The tableware and the like are washed through the washing circuit.

[0030] In addition, the outlet of the washing pump 3 is also connected to the inlet of the bubble generating device 2. The outlet of the washing pump 3 provides power to drive the liquid into the bubble generating device 2, thereby generating microbubbles.

[0031] Among them, the outlet of the bubble generating device 2 can be connected to the inlet of the washing pump 3, so that the bubble generating device 2 and the washing pump 3 are connected in parallel to form a circulation branch, so that the pumping energy of the washing pump and the low pressure before the pump of the washing pump are utilized to enhance the throttling cavitation effect of the bubble generating device, so that after multiple cycles, more and smaller bubbles can be generated to participate in the washing process, thereby improving the washing effect; the outlet of the bubble generating device 2 can also be connected to the inner tank assembly 1, so that the bubble generating device 2, the washing pump 3 and the inner tank assembly 1 are connected in series, so that the pumping energy of the washing pump is utilized to generate bubbles, and the bubbles generated by the bubble generating device 2 are sent to the inner tank assembly 1 to wash tableware, etc.

[0032] Among them, the outlet of the washing pump 3 in the present invention is respectively connected to the inlet of the bubble generating device 2 and the inner liner component 1, that is, the outlet of the washing pump 3 will be divided into different pipelines to be connected to the bubble generating device 2 and the inner liner component 1 respectively. The outlet of the washing pump 3 is connected to the inner liner component 1 to provide a liquid with a certain kinetic energy to the inner liner component 1 for washing. The liquid connected to the bubble generating device 2 can generate bubbles and participate in the washing process, effectively improving the washing effect and efficiency.

[0033] According to the washing device 100 of the embodiment of the present invention, the washing pump 3 is used as a power to drive the liquid into the bubble generating device 2 to generate microbubbles, and then the microbubbles participate in the washing process to improve the washing effect.

[0034] In addition, since the bubble generating device 2 is not connected in series to the washing circuit composed of the washing pump 3 and the inner tank assembly 1, the influence on the cyclic washing process is reduced, and the washing effect is further improved.

[0035] The present invention uses the dishwasher washing pump 3 to provide energy, and can effectively embed the pressurized micro-bubble generating device 2 in the dishwasher to generate high-concentration micro-nano bubble water for washing. The bubble diameter is small and can be stored for a long time. In addition, by circulating the micro-bubbles through the pump bypass, the impact on the mainstream flow pressure can be reduced by controlling the bypass flow, and the micro-nano bubble water can be circulated during the washing process.

[0036] The bubble generating device 2 is a device that can generate bubbles. During the washing process of the washing device 100, bubbles are generated in the washing liquid through the bubble generating device 2 and participate in the washing process, thereby effectively improving the washing effect and washing efficiency.

[0037] In some embodiments of the present invention, the bubble generating device 2 includes a bubbler 26, the inlet of the bubbler 26 is connected to the outlet of the washing pump 3, and the outlet of the bubbler 26 is connected to the inlet of the washing pump 3 or the inner tank component 1. That is, the washing pump 3 pumps the liquid to the bubbler 26, generates bubbles in the bubbler 26, and then sends the bubble-generated liquid to the inner tank component 1 or the washing pump 3. By providing the bubbler 26, a large number of fine bubbles can be generated, the bubble generation rate can be effectively improved, and the size of the bubbles can be reduced, thereby improving the effect of washing with the bubble water.

[0038] Optionally, the bubble generating device 2 in the present invention may further include a gas dissolving chamber 21, that is, the gas dissolving chamber 21 has a cavity therein, and the cavity is used to dissolve gas into liquid. The gas dissolving chamber 21 has a liquid inlet and a liquid outlet, and liquid can enter the gas dissolving chamber 21 through the liquid inlet and mix with the gas in the gas dissolving chamber 21. The liquid inlet of the gas dissolving chamber 21 is connected to the inlet of the washing pump 3. More gas is dissolved in the liquid after passing through the gas dissolving chamber 21, and the liquid outlet of the gas dissolving chamber 21 is connected to the inlet of the bubbler 26. When the liquid dissolved with more gas enters the bubbler 26, more bubbles can be generated by the bubbler 26.

[0039] Specifically, during the operation of the washing device 100, liquid is filled into the gas dissolving chamber 21 through the washing pump 3. Due to the gas blocking effect of the bubbler 26, the pressure in the gas dissolving chamber 21 becomes larger and larger, which increases the gas dissolving rate of the liquid and effectively increases the gas dissolved in the liquid.

[0040] Optionally, a bubbler may be connected to the lower portion of the gas dissolving chamber 21 .

[0041] After the liquid enters the gas dissolving chamber 21 and dissolves the gas in the gas dissolving chamber 21, the gas in the gas dissolving chamber 21 needs to be replenished. When the liquid outlet of the gas dissolving chamber 21 is connected to the inner liner assembly 1, when the washing pump 3 no longer provides liquid to the gas dissolving chamber 21, the air pressure in the gas dissolving chamber 21 decreases, and the gas in the inner liner assembly 1 can flow into the gas dissolving chamber 21, thereby achieving the filling of the gas in the gas dissolving chamber 21. When the liquid outlet of the gas dissolving chamber 21 is connected to the washing pump 3, part of the gas in the washing pump 3 can also flow back into the gas dissolving chamber 21 through the liquid outlet, and the liquid will be sent to the inner liner assembly 1 through the washing pump 3.

[0042] Optionally, the gas dissolving chamber 21 further includes a vent, and the bubble generating device 2 further includes a vent valve 23, which is connected to the vent of the gas dissolving chamber 21. Gas can enter the gas dissolving chamber 21 through the vent valve 23 and the vent, thereby completing the gas replenishment in the gas dissolving chamber 21.

[0043] Optionally, the flow path downstream of the liquid outlet of the gas dissolving chamber 21 is set to be no higher than the lower part of the internal space of the gas dissolving chamber 21. Specifically, when the outlet of the bubble generating device is connected to the inlet of the washing pump, the flow path between the liquid outlet of the bubble generating device and the outlet of the washing pump is set to be lower than the bottom of the gas dissolving chamber; when the outlet of the bubble generating device is connected to the inner liner assembly, the flow path between the liquid outlet of the bubble generating device and the inner liner assembly is set to be lower than the bottom of the gas dissolving chamber.

[0044] In this way, when the liquid pumped by the washing pump no longer passes through the water tank, under the action of gravity (or liquid level difference), the water in the air dissolving chamber 21 will flow back to the inner tank assembly or the aforementioned washing circuit, so that the air dissolving chamber is filled with gas again, especially when a vent is provided on the air dissolving chamber 21, the effect is better.

[0045] Optionally, the bubble generating device 2 further includes an air pump 22 , and two ends of the vent valve 23 are respectively connected to the vent of the air dissolving chamber 21 and the air pump 22 .

[0046] During use, air or other gas sources can be introduced into the gas dissolving chamber 21. When the pressure of the gas source is greater than the gas pressure in the gas dissolving chamber 21, the vent valve 23 only needs to be opened, and the gas can enter the gas dissolving chamber 21 through the vent valve 23 to complete the gas replenishment in the gas dissolving chamber 21. When bubbling is required, the vent valve 23 is closed. In some cases, when the gas pressure in the bubble generating device is close to the gas pressure of the gas source, or when the gas needs to be quickly replenished into the gas dissolving chamber 21, the air pump 22 is required to provide assistance to increase the speed of replenishing the gas into the gas dissolving chamber 21.

[0047] Optionally, the bubble generating device 2 further comprises a bypass member 24, the bypass member 24 having a tapered section 241, a throat 242 and a gradually expanding section 243 connected in sequence, wherein the outlet of the washing pump 3 is respectively connected to the liquid inlet of the gas dissolving chamber 21, the tapered section 241 of the bypass member 24 and the inner tank assembly 1. The tapered section 241, the throat 242 and the gradually expanding section 243 are sequentially arranged in the bypass member 24 from the inlet to the outlet, wherein the inlet of the bypass member 24 is connected to the outlet of the washing pump 3.

[0048] When the liquid passes through the bypass member 24, the turbulence caused by the change in the pipe diameter of the bypass member 24 will generate bubbles using the gas dissolved in the water.

[0049] Optionally, the gas dissolving chamber 21 further has a liquid discharge port, and the bubble generating device 2 further comprises a first switch valve 25 , one end of the first switch valve 25 is connected to the throat 242 of the bypass member 24 , and the other end of the first switch valve 25 is connected to the liquid discharge port of the gas dissolving chamber 21 .

[0050] When the liquid passes through the bypass piece 24, the flow area of ​​the throat 242 is continuously reduced, the flow velocity increases, the pressure decreases, and a low-pressure area is generated. At this time, the first switch valve 25 can be in an open state, and the low-pressure area generated in the bypass piece 24 will suck out the water in the gas dissolving chamber 21, thereby draining the gas dissolving chamber 21.

[0051] Optionally, the outlet of the washing pump 3 is connected to a first switching unit 41, and the first switching unit 41 is respectively connected to the liquid inlet of the gas dissolving chamber 21, the inlet of the bypass piece 24, and the inner liner assembly 1. The first switching unit 41 selectively connects the liquid inlet of the gas dissolving chamber 21, the inlet of the bypass piece 24, the inner liner assembly 1 and the outlet of the washing pump 3.

[0052] Among them, the first switching unit 41 can have a variety of different forms. For example, it is configured to connect the washing pump 3 to one of the air dissolving chamber 21, the bypass piece 24 and the inner liner component 1 at the same time, or the air dissolving chamber 21, the bypass piece 24 and the inner liner component 1 are not connected to the washing pump 3 by controlling the first switching unit 41; it can also be configured to connect the washing pump 3 to at least one of the air dissolving chamber 21, the bypass piece 24 and the inner liner component 1 at the same time, or the air dissolving chamber 21, the bypass piece 24 and the inner liner component 1 are not connected to the washing pump 3 by controlling the first switching unit 41.

[0053] Optionally, the outlet of the washing pump 3 is connected to a second switching unit 42, and the second switching unit 42 is respectively connected to the inlet of the bubble generating device 2 and the inner tank assembly 1, and the second switching unit 42 selectively connects the inlet of the bubble generating device 2, the inner tank assembly 1 and the outlet of the washing pump 3.

[0054] Among them, the second switching unit 42 can have a variety of different forms. For example, it is configured to control the second switching unit 42 so that at the same time, one of the bubble generating device 2 and the inner tank component 1 is connected to the washing pump 3, or both the bubble generating device 2 and the inner tank component 1 are not connected to the washing pump 3, or the bubble generating device 2 and the inner tank component 1 are simultaneously connected to the washing pump 3.

[0055] In addition, the first switching unit 41 and the second switching unit 42 in the present invention may be a reversing valve or a reversing structure composed of a plurality of switch valves. For example, the first switching unit 41 may be a four-way reversing valve or may include three switch valves, one switch valve connecting the washing pump 3 and the gas dissolving chamber 21, one switch valve connecting the washing pump 3 and the bypass member 24, and one switch valve connecting the washing pump 3 and the inner tank assembly 1. In addition, the first switching unit 41 and the second switching unit 42 may also be in the form of a combination of a reversing valve and a switch valve, for example, the bypass member 24 and the gas dissolving chamber 21 are connected to the same opening of the reversing valve, and then the bypass member 24 and the gas dissolving chamber 21 are connected to the reversing valve through the switch valve.

[0056] Optionally, a second switch valve 43 may be connected between the inlet of the bubble generating device 2 and the outlet of the washing pump 3. The second switch valve 43 is used to select whether to connect or disconnect the bubble generating device 2.

[0057] The dishwasher according to the embodiment of the present invention uses a dishwasher washing pump 3 to provide energy, and uses a micro-bubble generating device 2 of pressurized dissolved air + throttling cavitation to generate micro-nano bubbles. The pressurized micro-bubble generating device 2 can be effectively embedded in the dishwasher to generate high-concentration micro-nano bubble water for washing. The bubble diameter is small and can be stored for a long time. Micro-bubbles are generated by pump bypass circulation, and the impact on the mainstream flow pressure can be reduced by controlling the bypass flow. Micro-nano bubble water can be circulated during the washing process.

[0058] In addition, the present invention provides focused specific embodiments.

[0059] like Figure 1 As shown, a washing device 100 according to an embodiment of the present invention comprises a drain valve 5, a drain pump 6, a washing pump 3, a bubble generating device 2, an inner tank assembly 1, and a second switch valve 43. The bubble generating device 2 comprises an air pump 22, a vent valve 23, an air dissolving chamber 21, and a bubbler 26.

[0060] The inlet and outlet of the bubble generating device 2 are respectively connected to the inlet and outlet of the washing pump 3 to form a bypass circulation system, which is connected in parallel with the washing circulation water circuit (i.e., the pipeline connecting the outlet of the washing pump 3, the inner tank assembly 1 and the inlet of the washing pump 3 in sequence). Without changing the design concept, adding or reducing valves and other connectors are all within the scope of protection of this patent. The gas dissolving chamber 21 is pressurized by the water pressure after the washing pump 3 pumps, increasing the dissolution rate of the gas in the water, and then throttling cavitation is performed through the bubbler 26 to generate microbubbles. Since the bubbler 26 is connected to the inlet of the washing pump 3, the throttling cavitation effect of the bubbler 26 is enhanced through the low pressure before the pump.

[0061] The bypass flow is controlled by the second switch valve 43. When high-pressure water flushing is required, the second switch valve 43 is closed. When microbubble water is required, the second switch valve 43 is opened.

[0062] Principle of bubble generating device 2:

[0063] In the gas dissolving stage, the gas dissolving chamber 21 is filled with gas and the vent valve 23 is closed. Since the bubbler 26 has a throttling effect, the water inlet speed of the gas dissolving chamber 21 is greater than the water outlet speed. At this time, the pressure of the gas dissolving chamber 21 continues to increase until the pressure is approximately equal to the total pressure of tap water. Due to the increase in pressure, the gas in the gas dissolving chamber 21 is continuously dissolved in water (the higher the pressure, the higher the dissolution rate of the gas). When the gas solution flows to the bubbler 26, during the throttling process, the flow cross-sectional area is continuously reduced, the flow rate increases, the pressure decreases, and the gas is continuously precipitated in the form of cavitation, generating a large number of microbubbles. The microbubble water enters the liner assembly after passing through the water pump again. As the gas in the gas dissolving chamber 21 is continuously dissolved in water, the gas in the gas dissolving chamber 21 is continuously reduced. Therefore, after a period of time, it is necessary to drain. When draining, the vent valve 23 is opened, and the vent valve 23 is located at the upper part of the gas dissolving chamber 21. The water is pressurized by the air pump 22, and the water will flow back to the liner through the washing pump 3 and the bubbler 26. Gas enters through the vent valve 23 and refills the gas dissolving chamber 21.

[0064] The gas medium is not just air, and the liquid medium is not just water. The above description is only for convenience of explanation.

[0065] like Figure 2 As shown, a washing device 100 according to an embodiment of the present invention includes a drain valve 5, a drain pump 6, a washing pump 3, a bubbler 26, an inner tank assembly 1, and a second switch valve 43.

[0066] The inlet and outlet of the bubbler 26 are connected to the inlet and outlet of the water pump to form a bypass flow path, and the bypass flow is controlled by the second switch valve 43. When high-pressure water flushing is required, the second switch valve 43 is closed, and when microbubble water is required, it is opened.

[0067] The bubbler 26 and the washing pump 3 form a bypass circulation system, which is connected in parallel with the washing circulation water circuit (i.e., the pipeline connecting the outlet of the washing pump 3, the inner tank assembly 1 and the inlet of the washing pump 3 in sequence). Without changing the design concept, adding or reducing valves and other connectors is within the scope of protection of this patent.

[0068] The bubbler 26 is used for throttling cavitation to precipitate the gas dissolved in the water. During the throttling process, the flow cross-sectional area is continuously reduced, the flow rate increases, the pressure decreases, and the gas is continuously precipitated in the form of cavitation, generating a large number of microbubbles. Since the bubbler 26 is connected to the inlet of the washing pump 3, the throttling cavitation effect of the bubbler 26 is enhanced by the low pressure before the pump. Since the dissolved gas chamber 21 is not provided, the microbubble concentration of this scheme is lower than Figure 1 plan.

[0069] The gas medium is not just air, and the liquid medium is not just water. The above description is only for convenience of explanation.

[0070] like Figure 3As shown, a washing device 100 according to an embodiment of the present invention includes a drain valve 5, a drain pump 6, a washing pump 3, a bubble generating device 2, an inner tank assembly 1, and a second switching unit 42. The bubble generating device 2 includes an air pump 22, a vent valve 23, an air dissolving chamber 21, and a bubbler 26.

[0071] The bubble generating device 2, the washing pump 3, the second switching unit 42, and the inner tank assembly 1 form a micro-bubble generating water system. Without changing the design concept, adding or reducing valves and other connectors is within the scope of protection of this patent. The water pressure after the washing pump 3 is pumped to pressurize the gas dissolving chamber 21 to increase the dissolution rate of the gas in the water, and then the bubbler 26 is used for throttling cavitation to generate micro-bubbles.

[0072] The washing water path and the micro-bubble generating water path are controlled by the second switching unit 42. When high-pressure water flow is required for flushing, the second switching unit 42 is connected to the inner tank spray arm, and when micro-bubble water is required, the second switching unit 42 is connected to the micro-bubble generating device 2. When the bubble generating device 2 is running, the washing pump 3 only provides energy to the micro-bubble generating device 2.

[0073] Principle of the pressurized microbubble generating device 2: During the gas dissolving stage, the gas dissolving chamber 21 is filled with gas and the vent valve 23 is closed. Since the bubbler 26 has a throttling effect, the water inlet speed of the gas dissolving chamber 21 is greater than the water outlet speed. At this time, the pressure of the gas dissolving chamber 21 continues to increase until the pressure is approximately equal to the total pressure of the tap water. Due to the increase in pressure, the gas in the gas dissolving chamber 21 is continuously dissolved in the water (the higher the pressure, the higher the dissolution rate of the gas). When the gas solution flows to the bubbler 26, during the throttling process, the flow cross-sectional area is continuously reduced, the flow rate increases, the pressure decreases, and the gas is continuously precipitated in the form of cavitation, generating a large number of microbubbles. The microbubble water enters the inner tank assembly after passing through the water pump again. As the gas in the gas dissolving chamber 21 is continuously dissolved in the water, the gas in the gas dissolving chamber 21 is continuously reduced. Therefore, after a period of time, drainage is required. During drainage, the vent valve 23 is opened, and the vent valve 23 is located at the upper part of the gas dissolving chamber 21. The water is pressurized by the air pump 22, and the water will flow back to the inner tank through the washing pump 3 and the bubbler 26. Gas enters through the vent valve 23 and refills the gas dissolving chamber 21.

[0074] The gas medium is not just air, and the liquid medium is not just water. The above description is only for convenience of explanation.

[0075] like Figure 4 As shown, a washing device 100 according to an embodiment of the present invention comprises a drain valve 5, a drain pump 6, a washing pump 3, a bubble generating device 2, an inner tank assembly 1, and a first switching unit 41. The bubble generating device 2 comprises an air dissolving chamber 21, a bubbler 26, a first switch valve 25, and a bypass member 24.

[0076] The bubble generating device 2, the washing pump 3, the first switching unit 41, and the inner tank assembly 1 form a micro-bubble generating water system. Without changing the design concept, adding or reducing valves and other connectors is within the scope of protection of this patent. The water pressure after the washing pump 3 is pumped to pressurize the gas dissolving chamber 21 to increase the dissolution rate of the gas in the water, and then the bubbler 26 is used for throttling cavitation to generate micro-bubbles.

[0077] The washing water path, the micro-bubble generating water path, and the drainage water path of the bypass member 24 are controlled by the first switching unit 41. When high-pressure water flow is required for flushing, the first switching unit 41 is connected to the inner tank spray arm (not shown); when micro-bubble water is required, the first switching unit 41 is connected to the air dissolving chamber 21; when the air dissolving chamber 21 needs to be drained, the first switching unit 41 is connected to the bypass member 24 (such as a venturi tube, a jet tube, etc.). When the bubble generating device 2 is running, the washing pump 3 only provides energy to the bubble generating device 2.

[0078] Principle of the bubble generating device 2: During the gas dissolving stage, the gas dissolving chamber 21 is filled with gas and the vent valve 23 is closed. Since the bubbler 26 has a throttling effect, the water inlet speed of the gas dissolving chamber 21 is greater than the water outlet speed. At this time, the pressure of the gas dissolving chamber 21 continues to increase until the pressure is approximately equal to the total pressure of the tap water. Due to the increase in pressure, the gas in the gas dissolving chamber 21 is continuously dissolved in the water (the higher the pressure, the higher the dissolution rate of the gas). When the gas solution flows to the bubbler 26, during the throttling process, the flow cross-sectional area is continuously reduced, the flow rate increases, the pressure decreases, and the gas is continuously precipitated in the form of cavitation, generating a large number of microbubbles. The microbubble water enters the inner tank assembly after passing through the water pump again. As the gas in the gas dissolving chamber 21 is continuously dissolved in the water, the gas in the gas dissolving chamber 21 is continuously reduced. Therefore, after a period of time, drainage is required. During drainage, the first switching unit 41 connects the washing pump 3 with the bypass member 24, disconnects it from other roads, and the first switch valve 25 is opened. At this time, water flows to the bypass member 24 through the washing pump 3 to form a main waterway. At the throat 242 of the bypass member 24, the flow cross-sectional area is continuously reduced, the flow velocity is increased, the pressure is reduced, and a low-pressure area is generated, which sucks out the water in the gas dissolving chamber 21. At this time, the bubbler 26 pipeline acts as an air intake pipeline, sucking gas from the inner liner assembly 1 into the gas dissolving chamber 21 and refilling it.

[0079] The gas medium is not just air, and the liquid medium is not just water. The above description is only for convenience of explanation.

[0080] like Figure 5 As shown, a washing device 100 according to an embodiment of the present invention includes a drain valve 5, a drain pump 6, a washing pump 3, a bubbler 26, an inner tank assembly 1, and a second switching unit 42. Figure 3 , Figure 4Simplified version of the scheme. A certain proportion of gas has been dissolved in tap water. Therefore, in this scheme, the bubble generating device 2 only uses a bubbler 26 to precipitate the gas dissolved in the tap water through throttling cavitation. The advantages of this scheme are simple structure, no need for drainage, and continuous operation. The disadvantage is that the concentration of microbubbles is lower than that of other schemes.

[0081] The bubbler 26, the washing pump 3, the second switching unit 42, and the inner tank assembly 1 form a micro-bubble generating water system. Without changing the design concept, adding or reducing valves and other connectors is within the scope of protection of this patent. The bubbler 26 performs throttling cavitation to generate micro-bubbles.

[0082] The washing water path and the micro-bubble generating water path are controlled by the second switching unit 42. When high-pressure water flow is required for flushing, the second switching unit 42 is connected to the inner tank spray arm, and when micro-bubble water is required, the second switching unit 42 is connected to the bubbler 26. When the pressurized micro-bubble generating device 2 is running, the washing pump 3 only provides energy for the micro-bubble generating device 2.

[0083] The gas medium is not just air, and the liquid medium is not just water. The above description is only for convenience of explanation.

[0084] The bypass member in the present invention can be a jet pump, a jet tube, a venturi tube or the like, wherein the ... Figure 6 and attached Figure 7 The structures of bypass pieces in two different embodiments are shown in FIG.

[0085] According to the washing device 100 of the embodiment of the present invention, the dishwasher washing pump 3 is used to provide energy, and no additional power components need to be added to the dishwasher.

[0086] By generating microbubbles through the pump bypass circulation, the impact on the mainstream flow pressure can be reduced by controlling the bypass flow rate.

[0087] The micro-bubble generating device 2 of pressurized dissolved air + throttling cavitation is used to generate micro-nano bubbles. The pressurized dissolved air is carried out through the dissolved air chamber 21, which increases the concentration of micro-bubbles generated by throttling cavitation, and the bubble particle size is small.

[0088] Micro-nano bubble water is circulated during the washing process and can be used directly for washing.

[0089] Of course, the present invention may also adopt other forms of bubble generating devices 2, which can be arranged in the form of bypass pieces 24 without affecting the circulating washing of the main line.

[0090] In addition, the inner tank assembly 1 in the present invention includes a water cup and a spray arm. In general, the bubble generating device can be connected to the spray arm, and the inlet of the washing pump 3 can be connected to the water cup, and the outlet can be connected to the spray arm.

[0091] The washing device 100 in the present invention may be other devices that need to use microbubbles for washing, in addition to a dishwasher.

[0092] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0093] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0094] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0095] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0096] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0097] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A washing device, characterized in that: The washing equipment comprises: Liner components; Bubble generating device; A washing pump, wherein the inlet of the washing pump is connected to the inner tank assembly, and the outlet of the washing pump is respectively connected to the inlet of the bubble generating device and the inner tank assembly, and the washing pump is connected to the inner tank assembly to form a main circulation path, The outlet of the bubble generating device is connected to the inlet of the washing pump so that the bubble generating device and the washing pump are connected in parallel to form a circulation branch; or the outlet of the bubble generating device is connected to the inner tank component so that the bubble generating device, the washing pump and the inner tank component are connected in series; The bubble generating device comprises: A bubbler, wherein the inlet of the bubbler is connected to the outlet of the washing pump, and the outlet of the bubbler is connected to the inlet of the washing pump or the inner tank assembly; The bubble generating device also includes: An air dissolving chamber, wherein the air dissolving chamber has a liquid inlet and a liquid outlet, wherein the liquid inlet of the air dissolving chamber is connected to the outlet of the washing pump, and the liquid outlet of the air dissolving chamber is connected to the inlet of the bubbler; The gas dissolving chamber further comprises a vent, and the bubble generating device further comprises: A vent valve, the vent valve is connected to the vent of the gas dissolving chamber; The bubble generating device also includes: A bypass piece, wherein the bypass piece has a gradually contracting section, a throat section and a gradually expanding section connected in sequence from an inlet to an outlet, Wherein, the outlet of the washing pump is respectively connected to the liquid inlet of the gas dissolving chamber, the inlet of the bypass member and the inner tank assembly; The outlet of the washing pump is connected to a first switching unit, and the first switching unit is respectively connected to the liquid inlet of the gas dissolving chamber, the inlet of the bypass piece, and the inner liner assembly. The first switching unit selectively connects the liquid inlet of the gas dissolving chamber, the inlet of the bypass piece, the inner liner assembly and the outlet of the washing pump.

2. The washing device according to claim 1, characterized in that: The bubble generating device also includes: An air pump, wherein two ends of the vent valve are respectively connected to the vent of the air dissolving chamber and the air pump.

3. The washing device according to claim 1, characterized in that: The gas dissolving chamber also has a liquid discharge port, and the bubble generating device also includes: A first switch valve, one end of which is connected to the throat of the bypass member, and the other end of which is connected to the liquid discharge port of the gas dissolving chamber.

4. The washing device according to any one of claims 1 to 3, characterized in that: A second switch valve is connected between the inlet of the bubble generating device and the outlet of the washing pump.

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