Cleaning pipeline system and steaming and baking equipment with same

Abstract

The invention discloses a cleaning pipeline system and steaming and baking equipment with the cleaning pipeline system, the cleaning pipeline system is used for cleaning an inner container of a household appliance, and the cleaning pipeline system comprises a liquid return box, a pump valve assembly, a cleaning part and a liquid inlet valve assembly; the pump valve assembly is provided with an inlet part, a first outlet part and a second outlet part; the inlet end of the liquid inlet valve assembly is connected with a cleaning liquid source; an inlet of the liquid return box is connected with the outlet end of the liquid inlet valve assembly, and an outlet of the liquid return box is connected with the inlet part; the liquid inlet valve assembly can connect or disconnect a passage between the cleaning liquid source and the liquid return box; the liquid return box is further communicated with the inner container. The first outlet part is connected with the cleaning part, and the cleaning part is used for cleaning the inner container; and the second outlet part is connected with an external liquid discharge pipeline. Through the structural arrangement of the cleaning pipeline system, automatic operation of water adding and water draining can be achieved, and the use experience of a user is improved.

Description

Technical Field

[0001] The present application relates to the technical field of electrical appliances, and particularly to a cleaning pipeline system and a steaming and baking device having the same. Background Art

[0002] After a steaming and baking device such as a steam oven is used for a period of time, the inner cavity will have situations that make users uncomfortable, such as oil stains and peculiar smells, and it is necessary to clean the inner cavity in time.

[0003] When the cleaning system of a steam oven is cleaning, it requires the user to manually add water to the water box of the cleaning system. After the inner cavity is cleaned, it also requires the user to manually pour out the cleaned sewage. In actual application, there may be problems such as the user forgetting to add water before cleaning, or forgetting to pour out the sewage after cleaning, resulting in the deterioration of the sewage. Similar problems also exist in other household appliances. Summary of the Invention

[0004] The purpose of the present application is to provide a steaming and baking device and its cleaning pipeline system. The structural setting of the cleaning pipeline system can realize the automatic operation of water addition and drainage, and improve the user experience.

[0005] To solve the above technical problems, the present application provides a cleaning pipeline system for cleaning the inner cavity of a household appliance, including a liquid return box, a pump valve assembly, a cleaning component, and a liquid inlet valve assembly;

[0006] The pump valve assembly has an inlet part, a first outlet part, and a second outlet part;

[0007] The inlet end of the liquid inlet valve assembly is connected to a cleaning liquid source; the inlet of the liquid return box is connected to the outlet end of the liquid inlet valve assembly, and the outlet of the liquid return box is connected to the inlet part; the liquid inlet valve assembly can conduct or cut off the passage between the cleaning liquid source and the liquid return box;

[0008] The liquid return box is also connected to the inner cavity; the first outlet part is connected to the cleaning component, and the cleaning component is used to clean the inner cavity; the second outlet part is connected to an external drainage pipeline.

[0009] In actual application, the cleaning pipeline system can realize the automatic replenishment of the liquid return box by switching the switch state of the liquid inlet valve assembly. By switching the switch states of the respective outlet parts of the pump valve assembly and the operating state of the pump in the pump valve assembly, the cyclic cleaning of the inner cavity and the automatic drainage of the liquid return box can be realized. In this way, the situation of the user manually replenishing liquid and discharging sewage is avoided, and the user experience can be improved; at the same time, the structural setting of the cleaning pipeline system provides technical conditions for the automatic operation of cleaning the inner cavity.

[0010] In one feasible solution, the pump valve assembly includes a pump body and a three-way valve; the pump body has the inlet portion, the outlet of the pump body is connected to the inlet of the three-way valve, and the three-way valve has the first outlet portion and the second outlet portion.

[0011] In one feasible solution, the liquid inlet valve assembly is an electric valve or a solenoid valve, and the three-way valve is an electric valve or a solenoid valve.

[0012] In one feasible solution, the pump valve assembly is integrated with a heating module, or a heating module is integrated on the connecting pipeline between the first outlet portion and the cleaning component.

[0013] In one feasible solution, the cleaning pipeline system is further provided with a liquid detection module, and the liquid detection module is used to detect the liquid addition amount of the liquid return box.

[0014] In one feasible solution, the liquid detection module is a liquid flow sensor or a liquid level sensor.

[0015] In one feasible solution, the cleaning pipeline system further includes a control module, the control module is electrically connected to the liquid inlet valve assembly and the pump valve assembly, and the control module is used to switch the working positions of the liquid inlet valve assembly and the pump valve assembly so that the cleaning pipeline system switches among three modes of liquid addition to the liquid return box, circulating cleaning, and liquid drainage from the liquid return box.

[0016] In one feasible solution, in the mode of liquid addition to the liquid return box, the liquid inlet valve assembly is in the valve opening position of conducting the cleaning liquid source and the liquid return box, and the pump body of the pump valve assembly is in a non-operating state;

[0017] In the mode of circulating cleaning, the first outlet portion is in an open state, the second outlet portion is in a closed state, and the pump body of the pump valve assembly is in an operating state;

[0018] In the mode of liquid drainage from the liquid return box, the first outlet portion is in a closed state, the second outlet portion is in an open state, and the pump body of the pump valve assembly is in an operating state.

[0019] This application also provides a steam cooking device, including an inner container and a cleaning pipeline system, the cleaning pipeline system is the cleaning pipeline system described in any one of the above, and the outlet of the inner container is communicated with the inlet of the liquid return box.

[0020] Since the above cleaning pipeline system has the above technical effects, the steam cooking device including this cleaning pipeline system also has the same technical effects, and will not be repeated here. Description of the Drawings

[0021] Figure 1 Schematic structural diagram of the cleaning pipeline system of a steaming and baking device provided by an embodiment of the present application;

[0022] Figure 2 For Figure 1 Schematic diagram of the flow path when the cleaning pipeline system shown is in the mode of adding liquid to the liquid return box;

[0023] Figure 3 For Figure 1 Schematic diagram of the flow path when the cleaning pipeline system shown is in the mode of circulating cleaning;

[0024] Figure 4 For Figure 1 Schematic diagram of the flow path when the cleaning pipeline system shown is in the mode of draining the liquid return box.

[0025] Explanation of reference numerals:

[0026] Liquid inlet valve assembly 10, liquid return box 30, pump valve assembly 40, three-way valve 41, pump body 42, inlet part 1a, first outlet part 1b, second outlet part 2b, cleaning component 50, inner container 60. Detailed implementation manners

[0027] In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0028] The cleaning pipeline system provided in this implementation manner can be applied to household appliances such as steaming and baking devices, and is used to clean the inner container of household appliances. Without loss of generality, the cleaning pipeline system and the steaming and baking device having the cleaning pipeline system will be described below taking the steaming and baking device as an example, and the beneficial effects will not be repeated.

[0029] Please refer to Figure 1 , Figure 1 Schematic structural diagram of the cleaning pipeline system of a steaming and baking device provided by an embodiment of the present application.

[0030] The steaming and baking device includes an inner container 60 for steaming and baking food. After being used for a period of time, the inner container 60 needs to be cleaned. The steaming and baking device is provided with a cleaning pipeline system for cleaning the inner container 60.

[0031] In this implementation manner, the cleaning pipeline system includes a liquid inlet valve assembly 10, a liquid return box 30, a pump valve assembly 40, and a cleaning component 50.

[0032] The pump valve assembly 40 has an inlet part 1a, a first outlet part 1b, and a second outlet part 2b.

[0033] The inlet end of the liquid inlet valve assembly 10 is connected to the cleaning liquid source, and the inlet of the liquid return box 30 is connected to the outlet end of the liquid inlet valve assembly 10. The liquid inlet valve assembly 10 can conduct or cut off the passage between the cleaning liquid source and the liquid return box 30. In other words, the liquid inlet valve assembly 10 has an open valve position and a closed valve position. When the liquid inlet valve assembly 10 is in the open valve position, the cleaning liquid from the cleaning liquid source can be sent into the liquid return box 30 through the liquid inlet valve assembly 10. When the liquid inlet valve assembly 10 is in the closed valve position, the cleaning liquid from the cleaning liquid source cannot enter the liquid return box 30 through the liquid inlet valve assembly 10.

[0034] The outlet of the liquid return box 30 is connected to the inlet part 1a of the pump valve assembly 40. The first outlet part 1b of the pump valve assembly 40 is connected to the cleaning component 50, and the second outlet part 2b of the pump valve assembly 40 is connected to an external drainage pipeline. For example, the second outlet part 2b of the pump valve assembly 40 can be connected to the sewer through an external drainage pipeline.

[0035] The liquid return box 30 is also connected to the inner tank 60, and the cleaning component 50 is used to clean the inner tank 60.

[0036] In actual application, the cleaning pipeline system can realize automatic replenishment of the liquid return box 30 by switching the switch state of the liquid inlet valve assembly 10. By switching the switch states of the respective outlet parts of the pump valve assembly 40 and the operating state of the pump in the pump valve assembly 40, the inner tank 60 can be circularly cleaned and the liquid return box 30 can be automatically drained. In this way, the situation where the user manually replenishes the liquid and discharges the sewage is avoided, and the user experience can be improved. At the same time, the structural setting of the cleaning pipeline system provides technical conditions for the automatic operation of cleaning the inner tank 60.

[0037] In this embodiment, the pump valve assembly 40 includes a pump main body 42 and a three-way valve 41. Among them, the pump main body 42 has the aforementioned inlet part 1a. The three-way valve 41 is a one-inlet two-outlet three-way valve, which has a valve inlet part, the aforementioned first outlet part 1b and the aforementioned second outlet part 2b. The valve inlet part of the three-way valve 41 is connected to the pump outlet part of the pump main body 42.

[0038] The three-way valve 41 has a working position where the valve inlet part is communicated with the first outlet part 1b and a working position where the valve inlet part is communicated with the second outlet part 2b. In other words, the three-way valve 41 has a working position where the first outlet part 1b is opened and the second outlet part 2b is closed, and a working position where the second outlet part 2b is opened and the first outlet part 1b is closed. For the convenience of operation in actual application, the three-way valve 41 also has a working position where both the first outlet part 1b and the second outlet part 2b are in the closed state.

[0039] Based on the different states of the water inlet valve assembly 10, the pump main body 42 and the three-way valve 41 in the pump valve assembly 40, the cleaning pipeline system can have three working modes, which will be introduced below in combination with Figures 2 to 4 respectively. Figures 2 to 4The thick solid lines and arrows in it indicate the flow paths of the cleaning liquid in each mode.

[0040] As Figure 2 shown, the cleaning liquid pipeline system has a mode of adding liquid to the liquid return box. In this mode, the water inlet valve assembly 10 is in the open valve position, the pump main body 42 does not operate, and the three-way valve 41 can be in the working position where both the first outlet part 1b and the second outlet part 2b are closed. In this mode, the cleaning liquid from the cleaning liquid source enters the liquid return box 30 through the water inlet valve assembly 10. At this time, the connecting pipeline between the liquid return box 30 and the inlet part 1a of the pump main body 42 is also filled with cleaning liquid.

[0041] In specific implementation, the cleaning pipeline system can be provided with a liquid detection module for detecting the liquid addition amount of the liquid return box 30 to avoid excessive liquid addition.

[0042] Exemplarily, the liquid detection module can adopt a liquid flow sensor or a liquid level sensor.

[0043] In application, after it is determined by the liquid detection module that the liquid addition amount of the liquid return box 30 reaches the requirement, the water inlet valve assembly 10 can be switched to the closed valve position to stop replenishing the liquid return box 30.

[0044] As Figure 3 shown, the cleaning pipeline system has a mode of circulating cleaning. In this mode, the pump main body 42 of the pump valve assembly 40 is in the running state, the first outlet part 1b of the three-way valve 41 is in the open state, and the second outlet part 2b is in the closed state; in this way, under the action of the pump main body 42, the cleaning liquid can be pumped to the cleaning component 50 through the first outlet part 1b. After cleaning the inner tank 60 through the cleaning component 50, it flows back to the liquid return box 30 through the inner tank 60, and then is pumped to the cleaning component 50 through the pump main body 42. In this way, the inner tank 60 is cleaned in a cycle.

[0045] As Figure 4 shown, the cleaning pipeline system has a mode of draining the liquid return box. After the cleaning liquid in the liquid return box 30 is used to clean the inner tank 60 for a certain number of cycles and becomes dirty liquid, it needs to be drained. At this time, the cleaning pipeline system can be switched to the mode of draining the liquid return box to drain the dirty liquid in the liquid return box 30. In this mode, the pump main body 42 of the pump valve assembly 40 is in the running state, the first outlet part 1b of the three-way valve 41 is in the closed state, and the second outlet part 2b is in the open state; in this way, the dirty liquid in the liquid return box 30 can be drained into the external drain pipeline connected to the second outlet part 2b through the second outlet part 2b under the action of the pump main body 42 and is drained through the external drain pipeline, realizing the automatic drainage of the dirty liquid.

[0046] In specific implementation, a control module can be set in the cleaning pipeline system. This control module can be electrically connected to the liquid inlet valve assembly 10 and the pump valve assembly 40, and the relevant states of the liquid inlet valve assembly 10 and the pump valve assembly 40 are switched through the control module to realize the switching between the aforementioned three modes.

[0047] The liquid inlet valve assembly 10 can be set as an electric valve or a solenoid valve, and the three-way valve 41 of the pump valve assembly 40 can be set as an electric valve or a solenoid valve to facilitate electrical connection with the control module and realize automatic control.

[0048] In specific implementation, the cleaning liquid source can select a clean water source, which is convenient to obtain and has low cost.

[0049] In specific implementation, to improve the cleaning effect on the inner tank 60, a heating module can also be integrated on the pump valve assembly 40 to heat the cleaning liquid for cleaning the inner tank 60, so as to better remove oil stains and sundries in the inner tank 60. In other implementation manners, the heating module can also be integrated on the connecting pipeline between the pump valve assembly 40 and the cleaning component 50.

[0050] In specific implementation, the cleaning component 50 can include a liquid spraying pipe and at least one spray head arranged on the liquid spraying pipe. The cleaning liquid pumped to the cleaning component 50 can be transported to each spray head through the liquid spraying pipe, and the inner tank 60 is cleaned under the spraying action of each spray head.

[0051] The number and arrangement of the spray heads can be arranged according to the size of the inner tank 60 so as to be able to clean all parts of the inner tank 60.

[0052] In other embodiments, the three-way valve 41 in the pump valve assembly 40 can also be replaced by two on-off valves arranged in parallel. For example, an on-off valve is connected between the pump outlet part of the pump body 42 and the cleaning component 50, and another on-off valve is connected between the pump outlet part of the pump body 42 and the external drainage pipeline. For the convenience of connection, the inlets of the two on-off valves can be connected to a transfer pipeline, and then connected to the pump outlet part of the pump body 42 through this transfer pipeline.

[0053] The cleaning liquid in the liquid return box 30 in this cleaning pipeline system is only used for cleaning the inner tank 60, and can be separated from the steam water of the steaming and baking equipment, and will not have an adverse impact on the steam water of the steaming and baking equipment.

[0054] In this article, specific examples are used to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the method and its core idea of the present application. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present application, several improvements and modifications can still be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A cleaning pipeline system for cleaning the inner container of a household appliance, characterized in that, it includes a liquid return box, a pump valve assembly, a cleaning component and a liquid inlet valve assembly; the pump valve assembly has an inlet part, a first outlet part and a second outlet part; the inlet end of the liquid inlet valve assembly is connected to a cleaning liquid source; the inlet of the liquid return box is connected to the outlet end of the liquid inlet valve assembly, and the outlet of the liquid return box is connected to the inlet part; the liquid inlet valve assembly can conduct or cut off the passage between the cleaning liquid source and the liquid return box; the liquid return box is also communicated with the inner container; the first outlet part is connected to the cleaning component for cleaning the inner container; the second outlet part is connected to an external liquid discharge pipeline.

2. The cleaning pipeline system according to claim 1, characterized in that, the pump valve assembly includes a pump body and a three-way valve; the pump body has the inlet part, the outlet of the pump body is connected to the inlet of the three-way valve, and the three-way valve has the first outlet part and the second outlet part.

3. The cleaning pipeline system according to claim 2, characterized in that, the liquid inlet valve assembly is an electric valve or a solenoid valve, and the three-way valve is an electric valve or a solenoid valve.

4. The cleaning pipeline system according to claim 1, characterized in that, the pump valve assembly is integrated with a heating module, or a heating module is integrated on the connecting pipeline between the first outlet part and the cleaning component.

5. The cleaning pipeline system according to any one of claims 1-4, characterized in that, the cleaning pipeline system is further provided with a liquid detection module for detecting the liquid filling amount of the liquid return box.

6. The cleaning pipeline system according to claim 5, characterized in that, the liquid detection module is a liquid flow sensor or a liquid level sensor.

7. The cleaning pipeline system according to any one of claims 1-4, characterized in that, the cleaning pipeline system further includes a control module, which is electrically connected to the liquid inlet valve assembly and the pump valve assembly, and the control module is used to switch the working positions of the liquid inlet valve assembly and the pump valve assembly so as to switch the cleaning pipeline system among three modes: liquid filling in the liquid return box, circulating cleaning and liquid discharging from the liquid return box.

8. The cleaning pipeline system according to claim 7, characterized in that, in the mode of liquid filling in the liquid return box, the liquid inlet valve assembly is in the open valve position for conducting the cleaning liquid source and the liquid return box, and the pump body of the pump valve assembly is in a non-operating state; in the mode of circulating cleaning, the first outlet part is in an open state, the second outlet part is in a closed state, and the pump body of the pump valve assembly is in an operating state; in the mode of liquid discharging from the liquid return box, the first outlet part is in a closed state, the second outlet part is in an open state, and the pump body of the pump valve assembly is in an operating state.

9. A steaming and baking device, characterized in that, it includes an inner container and a cleaning pipeline system, the cleaning pipeline system is the cleaning pipeline system according to any one of claims 1-8, and the outlet of the inner container is communicated with the inlet of the liquid return box.

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