Working method of clothes treating device and clothes treating device

Abstract

The invention provides a working method of a clothes treating device and the clothes treating device, the clothes treating device comprises an additive injection part, a first extraction mechanism, an additive containing part and a water containing barrel, the additive injection part is connected with a first water inlet valve, and the additive injection part is connected with the additive containing part through the first extraction mechanism. The working method comprises the following steps that S1, pre-flushing is conducted, specifically, a first water inlet valve is opened, and water flows through an additive injection part and a first extraction mechanism so as to flush the additive injection part and the first extraction mechanism; and S2, additive putting, specifically, the first extraction mechanism extracts the additive in the additive injection part and supplies the additive to the additive containing part, and the additive in the additive containing part is put into the water containing barrel.

Description

Technical Field

[0001] The present application relates to the technical field of clothing processing, and in particular to a working method of a clothing processing device and a clothing processing device. Background Art

[0002] When the clothes treatment device is actually treating clothes, some additives, foam, sewage and other dirt may remain in its additive delivery structure. When the clothes are treated for the next time, the dirt previously remaining in the additive delivery structure will enter the water tub of the clothes treatment device with the next additive delivery operation, thereby contaminating the clothes in the water tub, affecting the cleaning effect of the clothes and causing unnecessary secondary pollution. Therefore, it is urgent to design a technical solution that can prevent the residual dirt in the additive delivery structure from contaminating the clothes. Summary of the invention

[0003] This application is made in view of the above-mentioned state of the prior art. The purpose of this application is to provide a working method of a clothes processing device, which includes pre-rinsing at least part of the additive delivery structure, which can reduce or avoid residual dirt in the additive delivery structure from contaminating clothes.

[0004] The present application also provides a clothing processing device using the above working method.

[0005] The present application provides a working method of a clothes treating device, the clothes treating device comprising an additive injection part, a first extraction mechanism, an additive containing part and a water tub, the additive injection part is connected to a first water inlet valve, and the additive injection part is connected to the additive containing part via the first extraction mechanism;

[0006] The working method comprises the following steps:

[0007] S1: pre-rinsing, opening the first water inlet valve to allow water to flow through the additive injection portion and the first extraction mechanism to rinse the additive injection portion and the first extraction mechanism; and

[0008] S2: Additive delivery, the first extraction mechanism extracts the additive in the additive injection portion and supplies it to the additive storage portion, and delivers the additive in the additive storage portion into the water storage tub.

[0009] In at least one possible implementation, the operating method of the laundry processing apparatus further includes the following steps:

[0010] S3: Pipeline flushing. After the additive is added, the first water inlet valve is opened to allow water to flow through the additive injection part and the first extraction mechanism to be supplied to the additive containing part to flush the additive injection part, the first extraction mechanism and the additive containing part.

[0011] In at least one possible implementation, the laundry treatment apparatus further includes a second extraction mechanism, and the additive receiving portion is connected to the water tub via the second extraction mechanism.

[0012] In step S1,

[0013] The water flows into the additive containing part after passing through the additive injection part and the first extraction mechanism.

[0014] The second extraction mechanism extracts the liquid in the additive storage portion and supplies the liquid to the tub.

[0015] In at least one possible embodiment, the second extraction mechanism includes a venturi tube, the venturi tube is connected to the second water inlet valve and the water storage tub, the venturi tube is formed with a negative pressure interface, and the negative pressure interface is connected to the additive receiving portion.

[0016] In step S1,

[0017] The second water inlet valve is opened, and negative pressure is generated when water flows through the venturi tube to extract the liquid in the additive containing part and supply it to the water tank.

[0018] In at least one possible implementation manner, in step S1, the first water inlet valve is first opened to allow water to flow into the additive containing portion, and then the first water inlet valve is closed and the second water inlet valve is opened.

[0019] In at least one possible embodiment, the clothing processing device further includes a second extraction mechanism, the second extraction mechanism includes a venturi tube, the venturi tube is connected to the second water inlet valve and the water tub, the venturi tube is formed with a negative pressure interface, and the negative pressure interface is connected to the additive containing portion.

[0020] In step S3, the second water inlet valve is opened, and negative pressure is generated when water flows through the venturi tube to extract the liquid in the additive containing part and supply it to the water tank.

[0021] In at least one possible embodiment, in step S3, a plurality of flushing processes are repeated.

[0022] In a flushing process, the first water inlet valve is first opened to allow water to flow into the additive containing portion, and then the first water inlet valve is closed and the second water inlet valve is opened.

[0023] In at least one possible implementation, in step S2, multiple delivery processes are repeated.

[0024] In one of the dosing processes, the first extraction mechanism is first opened to extract the additive in the additive injection part and supply it to the additive storage part, and then the first water inlet valve is opened to pass water into the additive storage part to dilute the additive.

[0025] In at least one possible embodiment, the clothing processing device further includes a second extraction mechanism, the second extraction mechanism includes a venturi tube, the venturi tube is connected to the second water inlet valve and the water tub, the venturi tube is formed with a negative pressure interface, and the negative pressure interface is connected to the additive containing portion.

[0026] In one of the dosing processes, the first water inlet valve is opened to allow water to flow into the additive containing part, and then the first water inlet valve is closed and the second water inlet valve is opened. When the water flows through the venturi tube, negative pressure is generated to extract the liquid in the additive containing part and supply it to the water bucket.

[0027] In at least one possible embodiment, the additive injection portion is provided with one or more additive switching valves.

[0028] In one of the dosing processes, before or at the same time as the first extraction mechanism is opened, at least one of the additive switching valves is opened; and after or at the same time as the first extraction mechanism is closed, the opened additive switching valve is closed.

[0029] In at least one possible implementation, the operating method of the laundry processing apparatus further includes the following steps:

[0030] S4: Continuously supplying water into the water tub until the water level in the water tub reaches a predetermined value.

[0031] In at least one possible implementation, the water tank is directly or indirectly connected to a second water inlet valve.

[0032] In step S4, the first water inlet valve is closed, and the second water inlet valve is opened, and the second water inlet valve continuously supplies water into the water tub until the water level in the water tub reaches a predetermined value.

[0033] The present application also provides a clothes treating device, which comprises: an additive injection portion, a first extraction mechanism, an additive containing portion and a water tub;

[0034] The clothes treating device uses the aforementioned working method of the clothes treating device.

[0035] The working method of the clothing treatment device and the clothing treatment device provided in the present application pre-rinse at least part of the additive delivery structure before formally processing the clothing. The pre-rinsing step can rinse and clean the additive injection part and the first extraction mechanism to reduce or avoid the residual dirt in the additive delivery structure directly contaminating the clothing in the water tub. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a simplified piping diagram of a clothes processing device according to one embodiment of the present application.

[0037] Figure 2 1 is another simplified piping diagram of a clothes treating device according to an embodiment of the present application.

[0038] Figure 3 It is a timing diagram of a working method of a clothes treating apparatus according to an embodiment of the present application.

[0039] Figure 4 1 is another timing diagram of a working method of a clothes treating apparatus according to an embodiment of the present application.

[0040] Figure 5 The present invention is a simplified flowchart of a working method of a clothing treatment device according to one embodiment of the present application.

[0041] Figure 6 It is a partial structural schematic diagram of a clothing processing device according to one embodiment of the present application.

[0042] 10 Additive injection unit

[0043] 11. First injection section

[0044] 12 Second injection section

[0045] 13 Third injection section

[0046] 20 First extraction mechanism

[0047] 30 Additive storage part

[0048] 40 Second extraction mechanism

[0049] 41 Negative pressure interface

[0050] 50 Bucket

[0051] 60 Ventilation

[0052] 70 Silver ion sterilization unit

[0053] 80 Additive storage

[0054] FV1 First water inlet valve

[0055] FV2 Second water inlet valve

[0056] FV3 Third water inlet valve

[0057] L1: First water channel of the receiving part

[0058] L2 Second water channel of the receiving part

[0059] D1 First additive switching valve

[0060] D2 Second additive switching valve

[0061] D3 Third Additive Switching Valve DETAILED DESCRIPTION

[0062] The exemplary embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that these specific descriptions are only used to teach those skilled in the art how to implement the present application, and are not intended to exhaust all possible methods of the present application, nor to limit the scope of the present application.

[0063] The embodiments of the present application provide a method for operating a clothes treating device (hereinafter, sometimes referred to as "operating method"). Figure 1 , Figure 2 and Figure 6 As shown, the laundry treating apparatus may include an additive injection unit 10, a first extraction mechanism 20, an additive receiving unit 30, and a water tub 50. The additive injection unit 10 may be connected to a first water inlet valve FV1 so that water can flush the additive injection unit 10. The additive injection unit 10 may be connected to the additive receiving unit 30 via the first extraction mechanism 20, and the first extraction mechanism 20 may extract the additive from the additive injection unit 10 and inject it into the additive receiving unit 30.

[0064] like Figure 3 , Figure 4 and Figure 5 As shown, the working method may include the following steps:

[0065] S1: Pre-rinsing step. Before the laundry treatment operation is officially performed (especially before the additive is officially injected into the water tub 50), the first water inlet valve FV1 can be opened to allow water to flow through the additive injection part 10 and the first extraction mechanism 20 to rinse the additive injection part 10 and the first extraction mechanism 20.

[0066] S2: Additive delivery step. After the pre-rinsing step is completed, the additive may be delivered to the tub 50. The first extraction mechanism 20 may draw out the additive in the additive injection portion 10 and supply it to the additive receiving portion 30. Then, the additive (additive diluent) in the additive receiving portion 30 may be delivered to the tub 50.

[0067] The pre-rinsing stage can be set to rinse the additive injection part 10 and the first extraction mechanism 20 before adding the additive, so as to rinse out the residual additive and other dirt therein. This step can improve the accuracy of the additive addition and clean the pipeline structure used for adding the additive, thereby reducing or avoiding the residual dirt in the additive addition structure from directly contaminating the clothes in the water tub 50.

[0068] Furthermore, the working method may also include the following steps:

[0069] S3: Pipeline flushing step. After the additive is added, the first water inlet valve FV1 can be opened to allow water to flow through the additive injection part 10 and the first extraction mechanism 20 and then be supplied to the additive containing part 30 to flush the additive injection part 10, the first extraction mechanism 20 and the additive containing part 30. After the additive is added, the additive injection part 10, the first extraction mechanism 20 and the additive containing part 30 (i.e., part of the additive delivery structure) are flushed, so that the residual additive in the additive delivery structure can be flushed out and fully utilized, and the delivery structure can also be cleaned to prevent the formation of additive residual pollution.

[0070] Furthermore, the clothes treating apparatus may further include a second extraction mechanism 40, and the additive containing part 30 may be connected to the water tub 50 via the second extraction mechanism 40. In step S1, water flows through the additive injection part 10 and the first extraction mechanism 20 and enters the additive containing part 30 to further rinse the additive and other dirt that may remain in the additive containing part 30. Afterwards, the second extraction mechanism 40 may extract the liquid in the additive containing part 30 (liquid accumulated in the additive containing part 30 by flushing the additive delivery structure) and supply it to the water tub 50. In the pre-rinsing step S1, the liquid may be drained to the water tub 50 after flushing the additive delivery structure, and then discharged from the clothes treating apparatus by the drainage structure (e.g., drainage pipe) of the water tub 50.

[0071] Preferably, the second extraction mechanism 40 may include a venturi tube, and the venturi tube may connect the second water inlet valve FV2 and the water storage tub 50. Figure 6As shown, the venturi tube may be formed with a negative pressure interface 41, and the negative pressure interface 41 may be connected to the additive containing part 30. In step S1, the first water inlet valve FV1 is opened to allow the water to flow through the additive injection part 10 and the first extraction mechanism 20 and then enter the additive containing part 30. The second water inlet valve FV2 may be opened again, and when the water flows through the venturi tube, negative pressure may be generated to extract the liquid in the additive containing part 30 and supply it to the water tub 50, and then the liquid is discharged from the clothing treatment device by the drainage structure (e.g., drainage pipe) of the water tub. Using the negative pressure generated by the venturi tube to extract the liquid can reduce manufacturing costs and energy consumption compared to pump-type extraction mechanisms. The venturi tube works by utilizing the Venturi effect generated by its pipe structure, and is less prone to failure than pump-type extraction devices, reducing the risk of water leakage.

[0072] More preferably, in step S1, when the second extraction mechanism 40 includes a venturi tube, the first water inlet valve FV1 can be opened first to allow water to flow into the additive containing part 30, and then the first water inlet valve FV1 can be closed and the second water inlet valve FV2 can be opened. The first water inlet valve FV1 and the second water inlet valve FV2 are usually connected to the user's water pipe. If the first water inlet valve FV1 and the second water inlet valve FV2 are opened at the same time, the water pressure of the second water inlet valve FV2 will be reduced, which may affect the negative pressure extraction effect of the venturi tube. Therefore, closing the first water inlet valve FV1 and then opening the second water inlet valve FV2 can ensure the effect of the venturi tube extracting the liquid in the additive containing part 30 to the water storage tub 50.

[0073] Preferably, step S2 may include a plurality of repeated (continuous) delivery processes. In one delivery process, the first extraction mechanism 20 may be opened to extract the additive in the additive injection part 10 and supply it to the additive receiving part 30, and then the first water inlet valve FV1 may be opened to pass water into the additive receiving part 30 to dilute the additive. Through repeated delivery processes, only a small amount of additive may be extracted each time, so that the additive can be fully diluted and dissolved in the additive receiving part 30, thereby enhancing the foaming effect of the additive and the user experience.

[0074] More preferably, when the second extraction mechanism 40 includes a venturi tube, during a delivery process in step S2, after opening the first water inlet valve FV1 to allow water to flow into the additive container 30, the first water inlet valve FV1 can be closed and the second water inlet valve FV2 can be opened. When the water flows through the venturi tube, negative pressure is generated to extract the liquid in the additive container 30 and supply it to the water storage tub 50. If the first water inlet valve FV1 and the second water inlet valve FV2 are opened at the same time, the water pressure of the second water inlet valve FV2 will be reduced, which may affect the negative pressure extraction effect of the venturi tube. Therefore, closing the first water inlet valve FV1 and then opening the second water inlet valve FV2 can ensure the effect of the venturi tube extracting the liquid in the additive container 30 to the water storage tub 50.

[0075] Preferably, in step S3, after the first water inlet valve FV1 allows water to flow through the additive injection part 10 and the first extraction mechanism 20 into the additive receiving part 30, the second water inlet valve FV2 can be opened. The liquid in the additive receiving part 30 is extracted and supplied to the water tub 50 by using the negative pressure generated when the water flows through the venturi tube, and then discharged from the clothes processing device by the drainage structure (such as a drainage pipe) of the water tub 50. After the additive delivery step S2 is completed, the additive delivery structure is flushed by the venturi tube, and the residual additive in the additive delivery structure can be flushed into the water tub 50, which can reduce or avoid the residual additive and form dirt while ensuring the accuracy of additive delivery.

[0076] More preferably, step S3 may include multiple flushing processes that are repeated (continuously). In one flushing process, the first water inlet valve FV1 may be opened first, so that the water flows through the additive delivery structure and then enters the additive receiving part 30. Then the first water inlet valve FV1 is closed and the second water inlet valve FV2 is opened, and the liquid in the additive receiving part 30 is extracted using a venturi tube. It can be understood that the additive injection part 10, the first extraction mechanism 20 and the additive receiving part 30 can be fully flushed through repeated flushing processes, further improving the accuracy of additive delivery and reducing the dirt residue in the additive delivery structure.

[0077] Optionally, the second extraction mechanism 20 may further include a pump. It is understood that the liquid in the additive receiving portion 30 may also be extracted and supplied to the water tub 50 using the pump.

[0078] Further, such as Figure 2 As shown, the additive injection part 10 may include one or more injection parts (exemplarily, the additive injection part 10 may include a first injection part 11, a second injection part 12 and a third injection part 13). The additive injection part 10 may be provided with one or more additive switching valves, and the additive switching valve may be an on-off valve or a check valve. The number of additive switching valves may be the same as the number of injection parts. The additive switching valve may be used to switch the type of additive injected (such as detergent, care agent and softener, etc.). In a dosing process, before or at the same time as the first extraction mechanism 20 is opened, at least one additive switching valve may be opened. After or at the same time as the first extraction mechanism 20 is closed, the opened additive switching valve may be closed.

[0079] Preferably, the first additive switching valve D1 of the first injection part 11 may be a first additive on-off valve, the second additive switching valve D2 of the second injection part 12 may be a second additive on-off valve, and the third additive switching valve D3 of the third injection part 13 may be an additive check valve. Figure 3As shown, the first additive opening and closing valve or the second additive opening and closing valve can be opened before or at the same time as the first extraction mechanism 20 is opened. After closing the first extraction mechanism 20, the opened first additive opening and closing valve or the opened second additive opening and closing valve can be closed first. If the third injection part 13 is to be connected, as shown in FIG. Figure 4 As shown, when the first extraction mechanism 20 is started, the first additive on-off valve and the second additive on-off valve are kept closed, and the additive check valve can be opened with the opening of the first extraction mechanism 20 (the first extraction mechanism can form a negative pressure to push open the check valve).

[0080] The working method may further include the following steps:

[0081] S4: water filling step. Water is continuously supplied to the water tub 50 until the water level in the water tub 50 reaches a predetermined value. Preferably, the water tub 50 can be directly or indirectly connected to the second water inlet valve FV2. In step S4, the first water inlet valve FV1 can be closed and the second water inlet valve FV2 can be opened, and the second water inlet valve FV2 can continuously supply water to the water tub 50 until the water level in the water tub 50 reaches a predetermined value. The water tub 50 is filled with water to a predetermined water level for the purpose of performing the laundry treatment operation, and the laundry treatment operation can be performed during or after the water filling process. Using the second water inlet valve FV2 to mainly undertake the water storage operation of the water tub 50 can speed up the water storage speed of the water tub 50.

[0082] The embodiment of the present application also provides a laundry treatment apparatus, which may include an additive injection portion 10, a first extraction mechanism 20, an additive receiving portion 30, and a tub 50. The laundry treatment apparatus may use the aforementioned operating method of the laundry treatment apparatus.

[0083] The first water inlet valve FV1 may be connected to the additive container 30 through the first water path L1 of the container and the second water path L2 of the container, respectively. The first water path L1 of the container may be connected to the additive container 30 through the additive injection part 10 and the first extraction mechanism 20 (i.e., indirectly connected). The second water path L2 of the container may be directly connected to the additive container 30 without passing through the additive injection part 10 and the first extraction mechanism 20. The first water inlet valve FV1 may be connected to a switching valve, which may be connected to the first water path L1 of the container and the second water path L2 of the container, respectively, to switch between the first water path L1 and the second water path L2 of the container.

[0084] It can be understood that the first water path L1 of the receiving part can be used to supply additives to the additive receiving part 30, and after the additives are added, water can be used to rinse the additive injection part 10 and the first extraction mechanism 20. The second water path L2 of the receiving part can share the water flow when the water flow of the first water inlet valve FV1 is large, thereby improving the operating stability of the clothing treatment device.

[0085] The clothes treating device may further include a vent 60. The vent 60 may be connected to the outside atmosphere, and the additive containing part 30 and the water tub 50 may be respectively connected to the vent 60 to balance the air pressure in the additive containing part 30 and the water tub 50. The vent structure of each component required for the clothes treating device is integrated to save space and facilitate maintenance.

[0086] The clothing treatment device may further include a silver ion sterilization unit 70, and silver ion sterilization water may be formed when water flows through the silver ion sterilization unit 70. The silver ion sterilization unit 70 may be connected to the third water inlet valve FV3 and the water tub 50 to supply sterilization water to the water tub 50. Preferably, the silver ion sterilization unit 70 may also be connected to the water tub 50 via the vent 60, so that the silver ion sterilization water flushes the vent 60 and then passes into the water tub 50, so as to flush the vent 60 (especially the overflow cavity of the vent) at the same time.

[0087] The following briefly describes some of the beneficial effects of the above-mentioned embodiments of the present application.

[0088] The working method of the clothing treatment device and the clothing treatment device provided by the present application pre-rinse at least part of the additive delivery structure before formally processing the clothing. The pre-rinsing step can rinse and clean the additive injection part and the first extraction mechanism to reduce or avoid the residual dirt in the additive delivery structure directly contaminating the clothing in the water tub. After the additive delivery is completed, the pipeline can also be flushed so that the residual additive in the additive delivery structure can be flushed out and can be fully utilized. At the same time, the delivery structure can also be cleaned to prevent the formation of additive residual pollution.

[0089] It is understood that in the present application, when the number of parts or components is not particularly limited, the number may be one or more, and the multiple here means two or more. For the case where the number of parts or components shown in the drawings and / or described in the specification is a specific number such as two, three, four, etc., the specific number is usually exemplary and not restrictive, and it can be understood as multiple, that is, two or more, but this does not mean that the present application excludes the case of one.

[0090] It should be understood that the above embodiments are merely exemplary and are not intended to limit the present application. Those skilled in the art may make various modifications and changes to the above embodiments under the guidance of the present application without departing from the scope of the present application.

Claims

1. A method for operating a clothes processing device, characterized in that: The laundry treatment device comprises an additive injection part (10), a first extraction mechanism (20), an additive containing part (30) and a water tub (50), wherein the additive injection part (10) is connected to a first water inlet valve (FV1), and the additive injection part (10) is connected to the additive containing part (30) via the first extraction mechanism (20); The working method comprises the following steps: S1: pre-rinsing, opening the first water inlet valve (FV1) to allow water to flow through the additive injection portion (10) and the first extraction mechanism (20) to rinse the additive injection portion (10) and the first extraction mechanism (20); and S2: Additive delivery, the first extraction mechanism (20) extracts the additive in the additive injection part (10) and supplies it to the additive storage part (30), and delivers the additive in the additive storage part (30) into the water storage tub (50).

2. The operating method of the clothes processing device according to claim 1, characterized in that: The following steps are also included: S3: Pipeline flushing: after the additive is added, the first water inlet valve (FV1) is opened to allow water to flow through the additive injection part (10) and the first extraction mechanism (20) to be supplied to the additive containing part (30), so as to flush the additive injection part (10), the first extraction mechanism (20) and the additive containing part (30).

3. The operating method of the clothes processing device according to claim 1 or 2, characterized in that: The laundry treatment device further comprises a second extraction mechanism (40), the additive containing portion (30) being connected to the water holding tub (50) via the second extraction mechanism (40). In step S1, The water flows through the additive injection portion (10) and the first extraction mechanism (20) and then enters the additive containing portion (30). The second extraction mechanism (40) extracts the liquid in the additive storage portion (30) and supplies the liquid to the water storage tub (50).

4. The operating method of the clothes processing device according to claim 3, characterized in that: The second extraction mechanism (40) comprises a venturi tube, the venturi tube is connected to the second water inlet valve (FV2) and the water storage tub (50), the venturi tube is formed with a negative pressure interface (41), and the negative pressure interface (41) is connected to the additive containing portion (30). In step S1, The second water inlet valve (FV2) is opened, and negative pressure is generated when water flows through the venturi tube to extract the liquid in the additive containing part (30) and supply it to the water storage tub (50).

5. The operating method of the clothes processing device according to claim 4, characterized in that: In step S1, the first water inlet valve (FV1) is opened to allow water to flow into the additive containing portion (30), and then the first water inlet valve (FV1) is closed and the second water inlet valve (FV2) is opened.

6. The operating method of the clothes processing device according to claim 2, characterized in that: The laundry processing device further comprises a second extraction mechanism (40), the second extraction mechanism (40) comprising a venturi tube, the venturi tube connecting the second water inlet valve (FV2) and the water holding tub (50), the venturi tube forming a negative pressure interface (41), the negative pressure interface (41) connected to the additive containing portion (30), In step S3, the second water inlet valve (FV2) is opened, and when water flows through the venturi tube, negative pressure is generated to extract the liquid in the additive containing part (30) and supply it to the water storage tub (50).

7. The operating method of the clothes processing device according to claim 6, characterized in that: In step S3, a plurality of flushing processes are repeated. In a flushing process, the first water inlet valve (FV1) is first opened to allow water to flow into the additive containing portion (30), and then the first water inlet valve (FV1) is closed and the second water inlet valve (FV2) is opened.

8. The operating method of the clothes processing device according to claim 1, characterized in that: In step S2, multiple delivery processes are repeated. In one of the dosing processes, the first extraction mechanism (20) is first opened to extract the additive in the additive injection section (10) and supply it to the additive storage section (30), and then the first water inlet valve (FV1) is opened to pass water into the additive storage section (30) to dilute the additive.

9. The operating method of the clothes processing device according to claim 8, characterized in that: The laundry processing device further comprises a second extraction mechanism (40), the second extraction mechanism (40) comprising a venturi tube, the venturi tube connecting the second water inlet valve (FV2) and the water holding tub (50), the venturi tube forming a negative pressure interface (41), the negative pressure interface (41) connected to the additive containing portion (30), In a dispensing process, the first water inlet valve (FV1) is first opened to allow water to flow into the additive containing portion (30), and then the first water inlet valve (FV1) is closed and the second water inlet valve (FV2) is opened. When the water flows through the venturi tube, negative pressure is generated to extract the liquid in the additive containing portion (30) and supply it to the water storage tub (50).

10. The operating method of the clothes processing device according to claim 8, characterized in that: The additive injection part (10) is provided with one or more additive switching valves. In one of the dosing processes, before or at the same time as the first extraction mechanism (20) is opened, at least one of the additive switching valves is opened; and after or at the same time as the first extraction mechanism (20) is closed, the opened additive switching valve is closed.

11. The operating method of the clothes processing device according to claim 1, characterized in that: The following steps are also included: S4: Continuously supplying water into the water tub (50) until the water level in the water tub (50) reaches a predetermined value.

12. The operating method of the clothes processing device according to claim 11, characterized in that: The water storage tub (50) is directly or indirectly connected to a second water inlet valve (FV2). In step S4, the first water inlet valve (FV1) is closed, and the second water inlet valve (FV2) is opened, and the second water inlet valve (FV2) continuously supplies water into the water tub (50) until the water level in the water tub (50) reaches a predetermined value.

13. A clothes processing device, characterized in that: include: An additive injection portion (10), a first extraction mechanism (20), an additive receiving portion (30) and a water storage tub (50); The laundry processing apparatus uses the operating method of the laundry processing apparatus according to any one of claims 1 to 12.

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