CN112680924A - Clothes treating agent feeding control method and washing machine comprising same - Google Patents
Clothes treating agent feeding control method and washing machine comprising same Download PDFInfo
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- CN112680924A CN112680924A CN202011499229.6A CN202011499229A CN112680924A CN 112680924 A CN112680924 A CN 112680924A CN 202011499229 A CN202011499229 A CN 202011499229A CN 112680924 A CN112680924 A CN 112680924A
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Abstract
The invention provides a laundry treating agent feeding control method and a washing machine comprising the same. A laundry treating agent feeding control method for controlling feeding of a laundry treating agent in a washing machine, the laundry treating agent being fed by a feeding device, the feeding device being connected to a water inlet pipe of the washing machine and being driven by water flow to draw the laundry treating agent into the water inlet pipe, the control method comprising: the controller of the washing machine determines the amount of the required laundry treating agent according to the type and amount of the laundry; simultaneously opening a water inlet valve and the feeding device, and determining the opening degree and/or opening time of the feeding device according to the feeding amount; and closing the feeding device after the detergent feeding is finished. The control of the feeding amount and the feeding speed of the clothes treating agent can be realized by the control of the distribution.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a clothes treating agent feeding control method and a washing machine comprising the same.
Background
The intelligent feeding of the washing liquid or the softener of the existing washing machine is realized by a feeding pump or a feeding device; but both dosing pumps and dosing devices have their inherent disadvantages; the throwing pump has larger volume, high price and great requirement on the structural space; the throwing device has small volume, but can not provide power, has no capacity of lifting or absorbing thrown objects, and limits the application field of the throwing device. In addition, the flow rate of the feeding device is constant, and the feeding speed of the clothes treating agent cannot be adjusted according to the requirement of the water inlet state, so that the clothes treating agent cannot be well dissolved into the water inlet.
Disclosure of Invention
In view of this, the present invention provides a dispensing device and a washing machine including the same, which are at least used for solving the technical problem of complex structure of the dispensing device in the prior art, and specifically:
the invention provides a method for controlling the feeding of a clothes treating agent, wherein the clothes treating agent in a liquid storage box is sucked into a water inlet pipeline in a negative pressure mode to be mixed with water in the water inlet pipeline, and the mixed clothes treating agent flows into a water inlet box and then flows into an inner cylinder through the water inlet box.
Preferably, the liquid storage box is connected with the water inlet pipeline through a feeding device, and the clothing treating agent in the liquid storage box flows into the water inlet pipeline through the feeding device.
Preferably, the control method includes the control steps of:
selecting a washing program according to the type of the laundry;
calculating the water inflow and the put-in amount of the clothes treating agent according to the washing program;
controlling a water inlet valve on the water inlet pipeline and the throwing device to be opened;
and controlling the feeding device to be closed to finish feeding of the clothes treating agent.
Preferably, when the required amount of the laundry detergent is large and the laundry detergent needs to be quickly thrown in, the opening of the throwing device is controlled to be fully opened, and the working time of the throwing valve is set according to the calculated amount of the laundry detergent and the flow of the throwing device;
when the required amount of the laundry detergent is less and the laundry detergent does not need to be put in quickly, the opening of the putting device is controlled to be half-opened, and the working time of the putting valve is set according to the calculated amount of the laundry detergent and the flow of the putting device.
In a second aspect, the present invention provides a washing machine, which can control the laundry treatment agent to be dosed by the laundry treatment agent dosing control method.
Preferably, the dispensing device is connected to a water inlet pipe of the washing machine, and the water inlet valve and the dispensing device can be synchronously controlled by a controller of the washing machine.
Preferably, the dispensing device comprises:
a delivery pipe including an inlet end and an outlet end for connection to a water supply line to permit water flow into the inlet end and out of the outlet end;
the liquid suction pipe is connected to the throwing pipeline and positioned between the inlet end and the outlet end, and the liquid suction pipe is used for being connected with the liquid storage box;
and the control valve is connected with the pipette and used for controlling the opening and closing of the pipette and the opening size of the pipette.
Preferably, the control valve comprises a valve body and a plunger connected with the valve body,
the valve body can control the plunger to move in the axial direction of the plunger.
Preferably, said plunger is capable of extending into said pipette,
the length of the plunger extending into the liquid suction pipe is adjustable, and the opening and closing of the throwing device are controlled according to the adjustment of the length of the plunger extending into the liquid suction pipe.
Preferably, the throwing pipeline comprises a tapered section and a divergent section from the inlet end to the outlet end in sequence.
Preferably, the pipette is connected to a location where the tapered section and the diverging section connect, the location of the tapered section away from the inlet end forming a throat,
the pipette is connected to a downstream side of the throat in the water flow direction.
The feeding device is arranged, the feeding amount and the feeding speed of the clothes treating agent can be controlled by controlling the feeding device, the dissolution rate of the clothes treating agent can be increased, the washing ratio of clothes is improved, and the washing effect is better.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.
Fig. 1 shows a schematic structural diagram of a dispensing device according to an embodiment of the invention;
fig. 2 shows a schematic cross-sectional view of a delivery device according to an embodiment of the invention;
FIG. 3 is a schematic cross-sectional view illustrating a closed state of an air suction pipe according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view illustrating a fully opened suction pipe according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of an embodiment of the present invention with the suction duct half open;
FIG. 6 is a schematic view showing the connection state of the dispensing device with the water supply system and the liquid storage box according to the embodiment of the invention;
fig. 7 shows a control flow chart of the laundry treating agent drag and drop device according to an embodiment of the present invention.
In the figure:
10. putting a pipeline; 11. an inlet end; 12. an outlet end; 13. a laryngeal opening; 20. a pipette; 30. a control valve; 31. a plunger; 40. a liquid storage box; 50. a water inlet box; 51. a water inlet pipe; 60. a water inlet pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
According to the invention, the throwing pipeline is connected with the water inlet pipeline, water flows in the throwing pipeline to generate negative pressure, and the clothes treating agent in the liquid storage box is absorbed through the liquid suction pipe, so that the clothes treating agent can be obtained without additional driving force, the additional driving force is not required, and the structure is simplified. And through the setting of control valve, make it can control the input volume of washing liquid, realize the purpose of intelligent input clothing finishing agent, make the cleaning performance better to can save the use amount of clothing finishing agent. The invention is described in detail below with reference to specific examples:
as shown in fig. 1-6, a dispensing device comprises:
as shown in fig. 1 and 2, the throwing pipe 10 includes an inlet end 11 and an outlet end 12, and is connected to a water supply pipeline, so that water flows into the inlet end 11 and flows out of the outlet end 12; and a pipette 20 connected to the dispensing pipe 10 and located between the inlet end 11 and the outlet end 12, wherein the pipette 20 is used for connecting to the liquid storage box 40, and water flows in the dispensing pipe 10 to generate negative pressure in the pipe, so that the cleaning liquid in the liquid storage box 40 is sucked by the pipette 20. Preferably, the launch conduit 10 and the pipette 20 are integrally formed.
The cleaning device further comprises a control valve 30, wherein the control valve 30 is connected with the pipette 20 and used for controlling the opening and closing of the pipette 20 and the opening degree of the pipette 20 so as to control the feeding amount of the cleaning liquid.
The input pipeline 10 sequentially comprises a reducing section and a gradually expanding section from the inlet end 11 to the outlet end 12, specifically, the input pipeline 10 is of a side size structure along the axial direction, the inner diameter of the input pipeline 10 gradually reduces from the inlet end 11 to the outlet end 12 to form the reducing section, and then the radial size gradually increases until the outlet end 12 to form the gradually expanding section. Preferably, the launch conduit 10 is configured as a venturi structure.
Preferably, a connection convex ring is formed on the outer circumferential wall of each of the inlet end 11 and the outlet end 12 to make the connection with the pipeline more reliable. The connecting convex rings are all constructed into annular bulges, and the peripheral walls of the annular bulges all form conical surfaces, and the radial size of the connecting convex rings is gradually increased along the axial direction by the end surfaces.
A pipette 20 is attached to the location where the tapering section and the diverging section are connected, preferably with the pipette 20 arranged perpendicular to the launch pipe 10. Specifically, the tapered section is formed with a throat 13, the throat 13 being a portion where the radial dimension of the tapered section is smallest, i.e., the end of the tapered section constitutes the throat 13, and the pipette 20 is connected to the downstream side of the throat 13 in the water flow direction. Water enters the throwing pipeline 10 from the inlet end 11, the water flow is gradually accelerated when flowing through the tapered section, when the water flow flows out from the throat 13, a vacuum area is generated on the downstream side of the throat 13, the vacuum area is opposite to the pipette 20, and the pipette 20 is communicated with the liquid storage box 40, so that a positive empty area is formed, and cleaning liquid can be sucked into the throwing pipeline 10 under the action of negative pressure and then flows out of the throwing pipeline 10 after being mixed with the water flow.
Preferably, the pipette 20 has a connection collar formed on the outer peripheral wall of the end portion thereof so as to be more reliably connected to the pipe. The connecting convex ring is configured as an annular protrusion, and the peripheral walls of the annular protrusion each constitute a tapered surface, gradually increasing in radial dimension in the axial direction from the end surface.
Preferably, a plurality of pipettes 20 may be provided, for example, two pipettes 20 may be provided, each pipette 20 being in communication with one of the cartridges 40, different types of laundry treatment agents being stored in different cartridges 40, for example, one of the cartridges 40 storing a detergent and the other cartridge 40 storing a softener. A plurality of pipettes 20 are axially located at the same position of the dispensing pipe 10, and the plurality of pipettes 20 form an included angle therebetween, thereby ensuring that different pipettes 20 can suck different laundry treatment agents with the same suction force.
As shown in fig. 3, 4 and 5, preferably, in one embodiment, the control valve 30 includes a valve body and a plunger 31 connected to the valve body, and the valve body can control the plunger 31 to move in the axial direction thereof. The valve body is provided with a connecting part communicated with the pipette 20, the plunger 31 is movably arranged in the connecting part along the axial direction and can extend into the pipette 20, and the opening degree of the pipette 20 is changed or the pipette 20 is closed by changing the length of the plunger 31 extending into the pipette 20.
A drive means is provided in the valve body for driving the movement of the plunger 31, which drive means may be, for example, an electric motor.
The invention provides a method for controlling the feeding of a clothes treating agent, wherein the clothes treating agent in a liquid storage box of a washing machine is sucked into a water inlet pipeline in a negative pressure mode to be mixed with water in the water inlet pipeline, and the mixed clothes treating agent flows into a water inlet box and then flows into an inner cylinder through the water inlet box. Preferably, the liquid storage box is connected with the water inlet pipeline through a feeding device, and the clothing treating agent in the liquid storage box flows into the water inlet pipeline through the feeding device.
As shown in fig. 7, the laundry treating agent putting control method of the present invention includes:
s1: when a user needs to wash clothes, selecting a washing program according to the type of the clothes after putting the clothes;
the user puts the laundry into the washing machine and then selects the type of laundry, which may preferably be selected manually by the user or automatically identified by the washing machine. After the clothes type is determined, a washing program suitable for the clothes type is selected.
S2: the controller automatically calculates the required water inflow according to the washing program and the amount of the clothes;
the controller of the washing machine calculates the amount of required washing water according to the washing course and the amount of laundry (laundry weight).
S3: the controller automatically calculates the required clothes treatment dosage according to the water inflow;
after the amount of washing water is determined, the controller calculates the required amount of washing according to the amount of washing water, preferably, the laundry treatment agent includes detergent, softener, etc., and the amount of laundry may be calculated by programming, respectively.
S4: controlling to put in the clothing treating agent, controlling a water inlet valve by a controller, and simultaneously starting working of the putting device;
the washing machine starts to inject washing water, starts to put in the laundry treatment agent at the same time, and controls the amount of the laundry treatment agent put in.
Specifically, the method comprises the following steps:
a, when the required amount of a clothes treating agent (such as a detergent) is large and quick feeding is needed, controlling the opening of a feeding device to be fully opened by a program, and setting the working time length of the feeding device according to the calculated clothes treating agent amount and the flow of the feeding device;
and B, when the required amount of the clothes treating agent is less and quick feeding is not needed, controlling the opening of the feeding device to be half-open by a program, and setting the working time of the feeding device according to the calculated clothes treating agent amount and the flow of the feeding device.
S5: when the feeding device reaches the working time set by the program, the controller controls the plunger 31 of the feeding device to reset, and the feeding of the clothes treating agent is finished;
after the laundry treatment agent is put in, the plunger 31 is reset, the liquid suction pipe 20 is closed, the laundry treatment agent is stopped to be put in, the putting pipeline 10 is used as a part of a water inlet pipeline, washing water flows into the washing drum through the putting pipeline 10, and the washing machine is filled with water normally.
S6: the liquid level sensor works, the water inflow reaches the water amount set by a program, the controller controls the water inlet valve to be closed, and the water inflow is finished;
and stopping water injection after the water injection amount is reached, and closing the water inlet valve.
S7: and after the water inflow and the laundry treatment agent are put into the washing machine, the washing machine starts to wash the laundry.
The feeding device can realize automatic feeding of washing, a driving device is not needed to be arranged to drive feeding of the washing agent independently, the washing agent can be driven to be fed by means of negative pressure generated by water flow in a pipeline, energy consumption of the driving device is saved, the structure of the feeding device is simplified, and the control of the feeding amount of the washing agent can be realized by combining the control valve 30.
The present invention also provides a washing machine, as shown in fig. 6, including the above-mentioned feeding device, the inlet end 11 of the feeding pipeline 10 is connected with the water inlet pipe 51 of the washing machine, the outlet end 12 is connected with the water inlet box 50 of the washing machine through the water inlet pipe 51, the inlet end 11 is connected with the water inlet pump 60 through the water inlet pipe 51. The pipette 20 is connected to a reservoir 40 of a washing machine. The input pipe 10 forms a part of a water inlet pipe of the washing machine, and the washing machine is supplied with water, and the washing water flows through the input pipe 10 and then flows into the washing drum through the water inlet box 50.
When the selected washing program needs to put in the washing liquid or the softener, the plunger 31 is retracted, the pipette 20 is opened, the negative pressure generated at the throat 13 provides power, the washing liquid or the softener in the liquid storage box 40 is sucked into the putting pipeline 10, and the automatic putting of the washing liquid or the softener is completed; the amount of the cleaning solution to be fed is determined by the length of the opening/closing time of the flow path controlled by the plunger 31. When the selected program does not need to put in washing liquid or softener, the flow passage controlled by the plunger 31 is in a normally closed state, and normal water adding operation can be completed.
In the invention, the plunger 31 is at different positions to adjust the throwing speed of the clothes treating agent when the throwing device is in an opening and off state. When no washing liquid is required to be dispensed during water inflow, plunger 31 is positioned as shown in fig. 3, and pipette 20 is closed. When the laundry treatment agent needs to be dosed in a water inlet state, the purpose of regulating the dosing speed of the laundry treatment agent is achieved through different opening degrees of the plunger 31 to the water suction pipe 20. When the required laundry treating agent is put in a large amount, the opening should be large (as shown in fig. 4, the plunger 31 is in a fully open state); conversely, if the plunger 31 is in a half-open state (as shown in fig. 5), the specific implementation can be realized by program control.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (11)
1. A method for controlling the delivery of a laundry treatment agent, comprising: the clothing treating agent in the liquid storage box is sucked into the water inlet pipeline in a negative pressure mode to be mixed with water in the water inlet pipeline, and the mixture flows into the water inlet box and then flows into the inner barrel through the water inlet box.
2. The laundry treatment agent dosing control method according to claim 1, wherein: the liquid storage box is connected with the water inlet pipeline through a feeding device, and the clothing treating agent in the liquid storage box flows into the water inlet pipeline through the feeding device.
3. The laundry treatment agent dosing control method according to claim 2, characterized in that: the control method comprises the following control steps:
selecting a washing program according to the type of the laundry;
calculating the water inflow and the put-in amount of the clothes treating agent according to the washing program;
controlling a water inlet valve on the water inlet pipeline and the throwing device to be opened;
and controlling the feeding device to be closed to finish feeding of the clothes treating agent.
4. The laundry treatment agent dosing control method according to claim 3, wherein: when the required amount of the laundry detergent is large and the laundry detergent needs to be put in quickly, controlling the opening of the putting device to be fully opened, and setting the working time of the putting valve according to the calculated amount of the laundry detergent and the flow of the putting device;
when the required amount of the laundry detergent is less and the laundry detergent does not need to be put in quickly, the opening of the putting device is controlled to be half-opened, and the working time of the putting valve is set according to the calculated amount of the laundry detergent and the flow of the putting device.
5. A washing machine characterized by: the laundry treatment agent dosing control method according to any one of claims 1 to 4, wherein the laundry treatment agent dosing is controlled.
6. The washing machine as claimed in claim 5, wherein: the feeding device is connected with a water inlet pipe of the washing machine, and the water inlet valve and the feeding device can be synchronously controlled by a controller of the washing machine.
7. The washing machine as claimed in claim 6, wherein: the delivery device comprises:
a delivery pipe including an inlet end and an outlet end for connection to a water supply line to permit water flow into the inlet end and out of the outlet end;
the liquid suction pipe is connected to the throwing pipeline and positioned between the inlet end and the outlet end, and the liquid suction pipe is used for being connected with the liquid storage box;
and the control valve is connected with the pipette and used for controlling the opening and closing of the pipette and the opening size of the pipette.
8. The washing machine as claimed in claim 7, wherein:
the control valve comprises a valve body and a plunger connected with the valve body,
the valve body can control the plunger to move in the axial direction of the plunger.
9. The washing machine as claimed in claim 8, wherein: the plunger is capable of extending into the pipette,
the length of the plunger extending into the liquid suction pipe is adjustable, and the opening and closing of the throwing device are controlled according to the adjustment of the length of the plunger extending into the liquid suction pipe.
10. The washing machine as claimed in claim 7, wherein:
the throwing pipeline comprises a reducing section and a gradually expanding section from the inlet end to the outlet end in sequence.
11. The washing machine as claimed in claim 10, wherein: the pipette is connected to the location where the convergent section and the divergent section are connected, the location of the convergent section away from the inlet end forming a throat,
the pipette is connected to a downstream side of the throat in the water flow direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011499229.6A CN112680924A (en) | 2020-12-16 | 2020-12-16 | Clothes treating agent feeding control method and washing machine comprising same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011499229.6A CN112680924A (en) | 2020-12-16 | 2020-12-16 | Clothes treating agent feeding control method and washing machine comprising same |
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| CN112680924A true CN112680924A (en) | 2021-04-20 |
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| CN202011499229.6A Pending CN112680924A (en) | 2020-12-16 | 2020-12-16 | Clothes treating agent feeding control method and washing machine comprising same |
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| WO2023108898A1 (en) * | 2021-12-16 | 2023-06-22 | 合肥美的洗衣机有限公司 | Feeding assembly and washing apparatus |
| WO2023174004A1 (en) * | 2022-03-14 | 2023-09-21 | 青岛海尔洗涤电器有限公司 | Control method for detergent dispensing module, and washing machine |
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