CN114411390A

CN114411390A - Fragrance retaining bead putting device of washing machine, washing machine and control method

Info

Publication number: CN114411390A
Application number: CN202210087694.1A
Authority: CN
Inventors: 李梦遥; 张强; 陈浩; 刘二磊
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-04-29
Anticipated expiration: 2042-01-25
Also published as: CN114411390B

Abstract

The invention belongs to the field of washing machines, and particularly relates to a fragrance retaining bead putting device of a washing machine, the washing machine and a control method, wherein the fragrance retaining bead putting device comprises a fragrance retaining bead putting box, and the fragrance retaining bead putting box comprises a box body, a liquid inlet and a first liquid outlet which are formed on the box body; the box body is also provided with a fragrance-retaining bead feeding opening; the first end of the circulating pipeline is communicated with the box body through the liquid inlet, the second end of the circulating pipeline is communicated with the box body through the first liquid outlet, and a circulating passage is formed between the circulating pipeline and the box body; the circulating pipeline is also provided with a water inlet and a second liquid outlet, the water inlet is communicated with a water inlet pipe of the washing machine, and the second liquid outlet is communicated with a washing barrel of the washing machine; a first control valve is arranged at the water inlet, and a second control valve is arranged at the second liquid outlet; the circulating mechanism is arranged on the circulating pipeline and used for driving the liquid in the circulating pipeline to flow in the circulating pipeline. The fragrance retaining bead putting device can avoid the reaction between the fragrance retaining beads and a detergent, and can ensure the fragrance retaining effect of clothes to the maximum extent.

Description

Fragrance retaining bead putting device of washing machine, washing machine and control method

Technical Field

The invention belongs to the field of washing machines, and particularly relates to a fragrance retaining bead putting device of a washing machine, the washing machine and a control method.

Background

In the process of developing in the washing machine market in recent years, due to the gradual improvement of living standard, the requirement of consumers on happiness feeling index during use is more and more important, and a product named as fragrance-retaining beads appears in the market at present.

However, the fragrance-retaining beads are put in the washing barrel, react with water and detergent at the beginning, after one or more times of rinsing, the fragrance-retaining bead effect cannot meet the requirements of users, a large amount of fragrance-retaining beads are needed in one washing process, a large amount of waste is generated, and the requirements on the fragrance-retaining persistence degree cannot be met due to the large demand of the fragrance-retaining beads for the users.

Aiming at the problems, a novel device and a novel method for the fragrance retaining bead are needed to be realized on the laundry equipment.

The present invention has been made in view of this situation.

Disclosure of Invention

In order to solve the technical problem, the invention provides a fragrance retaining bead putting device of a washing machine, which comprises:

the fragrance retaining bead putting box comprises a box body, and a liquid inlet and a first liquid outlet which are formed on the box body; the box body is also provided with a fragrance retaining bead feeding opening, and fragrance retaining beads are fed into the box body through the fragrance retaining bead feeding opening;

the first end of the circulating pipeline is communicated with the box body through the liquid inlet, the second end of the circulating pipeline is communicated with the box body through the first liquid outlet, and a circulating passage is formed between the circulating pipeline and the box body; the circulating pipeline is also provided with a water inlet and a second liquid outlet, the water inlet is communicated with a water inlet pipe of the washing machine, and the second liquid outlet is communicated with a washing barrel of the washing machine; a first control valve is arranged at the water inlet, and a second control valve is arranged at the second liquid outlet;

and the circulating mechanism is arranged on the circulating pipeline and used for driving the liquid in the circulating pipeline to flow in the circulating pipeline.

Further optionally, the circulation mechanism comprises

The stirring part comprises a stirring shaft and a water stirring blade connected with the stirring shaft, and the stirring shaft is arranged on the circulating pipeline and enables the water stirring blade to be positioned inside the circulating pipeline;

a transmission part located outside the circulation line; the transmission part is used for transmitting the power of the driving shaft to the stirring shaft to drive the stirring shaft to rotate, the stirring shaft rotates to drive the water stirring blade to rotate, and the water stirring blade rotates to drive the liquid in the circulating pipeline to flow in the circulating passage.

Further optionally, a first gear is arranged at one end, away from the outer tub, of the driving shaft of the washing machine, a second gear is arranged at one end, located outside the circulation pipeline, of the stirring shaft, the transmission part includes a plurality of third gears with different radiuses and a plurality of transmission shafts, and the plurality of third gears and the plurality of transmission shafts form a multi-stage transmission mechanism; the first gear is engaged with a third gear forming a first stage of drive in the multi-stage drive mechanism, and the second gear is engaged with a third gear forming a last stage of drive in the multi-stage drive mechanism.

Further optionally, the circulation mechanism comprises

the driving part is located outside the circulating pipeline, the driving part is connected with the stirring shaft and used for driving the stirring shaft to rotate, the stirring shaft rotates to drive the water stirring blade to rotate, and the water stirring blade rotates to drive liquid in the circulating pipeline to flow in the circulating passage.

Further optionally, a flow detection device is further disposed at the water inlet, and the flow detection device is configured to detect a water inflow entering the circulation path from the water inlet.

The invention also provides a washing machine which comprises the fragrance retaining bead putting device.

Further optionally, the washing machine comprises a casing and an outer tub, and the fragrance retaining bead throwing device is disposed between the casing and the outer tub.

Further optionally, the washing machine is a drum washing machine, the drum washing machine comprises a table top, an opening is formed in the table top, and the fragrance retaining bead feeding opening and the opening are arranged oppositely.

Further optionally, the table top is further provided with a cover plate for covering the opening.

Further optionally, the washing machine further comprises a water inlet box communicated with the water inlet pipe of the washing machine, and the water inlet is communicated with the water inlet box.

The invention also provides a control method of the washing machine, the washing machine is provided with a fragrance retaining mode, and after receiving a control instruction of the fragrance retaining mode, the control method comprises the following steps:

controlling the washing machine to introduce water with a preset water quantity into the circulation passage;

when the washing machine operates to the last rinsing process of the rinsing program in the process of treating clothes, controlling the liquid in the circulation passage to flow into the washing barrel before the washing machine drains water;

performing fragrance retaining treatment on clothes in the washing machine, and controlling the washing machine to drain water when the set fragrance retaining treatment time is reached; the fragrance-retaining treatment is soaking treatment and/or washing treatment of the clothes.

Further optionally, the controlling the washing machine to introduce a preset amount of water into the circulation passage includes

And controlling the washing machine to introduce a preset amount of water into the circulation passage before the washing program or the rinsing program.

Further optionally, the controlling the washing machine to introduce a preset amount of water into the circulation path before the washing process or before the rinsing process is started includes

Controlling the washing machine to feed water before the washing program or the rinsing program is started, and controlling the first control valve to open when the water fed into the washing machine reaches the set water inlet amount or the set water inlet time;

and detecting the water inflow in the circulating pipeline, and controlling the first control valve to be closed when the water inflow in the circulating pipeline reaches the preset water inflow or reaches the preset water inflow time.

Further optionally, the control method further comprises

Acquiring the preset concentration of the fragrance-retaining beads;

and determining the preset water inflow or the preset water inflow time according to the preset concentration of the fragrance retaining beads.

Further optionally, the control method further comprises

Also acquiring the rotating speed of the washing barrel;

and adjusting the transmission ratio between the driving shaft of the washing machine and the multi-stage transmission mechanism according to the acquired rotating speed of the washing barrel so as to maintain the rotating speed of the stirring part to be stable.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1) according to the invention, the fragrance retaining beads are prevented from reacting with the detergent by arranging the single fragrance retaining bead feeding device.

2) The fragrance retaining bead feeding device enables the fragrance retaining bead diluent to flow in the circulating channel under the action of the circulating mechanism, so that fragrance retaining beads are fully dissolved.

3) The invention drives the fragrance retaining bead circulating mechanism through the transmission shaft of the washing machine, thereby saving energy.

4) According to the invention, the problem of poor fragrance retaining effect of the fragrance retaining beads after rinsing is solved by controlling the feeding of the fragrance retaining bead diluent into the washing barrel after the last rinsing is finished.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1: the connection between the fragrance retaining bead putting device and the water inlet box in the embodiment of the invention is shown schematically;

FIG. 2: is a box structure diagram of the fragrance retaining bead putting device of the embodiment of the invention;

FIG. 3: is a sectional view of a circulating pipeline of the fragrance retaining bead putting device of the embodiment of the invention;

FIG. 4: is a structure diagram of a stirring part of the fragrance retaining bead putting device in the embodiment of the invention;

fig. 5 to 7: the transmission relation diagram of the fragrance retaining bead putting device and the driving shaft of the washing machine in the embodiment of the invention is shown;

FIG. 8: the structure diagram of the fragrance retaining bead putting device arranged in the washing machine is shown in the invention;

FIG. 9: a system diagram of a washing machine according to an embodiment of the present invention;

FIG. 10: is a control flow diagram of an embodiment of the present invention.

Wherein:

1-a fragrance bead putting device; 11-a circulation line; 111-a first control valve; 112-a second control valve; 12-a circulation mechanism; 121-water repellent leaves; 122-a stirring shaft; 1221-a second gear; 123-a multi-stage transmission mechanism; 1231-third gear; 1232-a drive shaft; 13-putting the fragrance-retaining beads into a box; 131-a liquid inlet; 132-a first outlet; 133-putting the fragrance-retaining beads into a mouth; 2-a water inlet box; 3-an outer barrel; 4-a shell; 41-a mesa; 411-opening; 5-a drive shaft; 51-a first gear; 6-washing machine; 7-Master control Room

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

To solve the problems that the fragrance retaining beads of the existing washing machine are put in from the washing barrel, so that the fragrance retaining beads react with the detergent and the fragrance retaining effect is poor, the present embodiment provides a fragrance retaining bead putting device 1 of the washing machine, as shown in fig. 1 to 8, the fragrance retaining bead putting device 1 of the present embodiment includes a fragrance retaining bead putting box 13, a circulation pipeline 11 and a circulation mechanism 12.

As shown in fig. 2, the fragrance retaining bead dispensing box 13 includes a box body, and a liquid inlet 131 and a first liquid outlet 132 formed on the box body, and optionally, the liquid inlet 131 and/or the first liquid outlet 132 are formed by a plurality of water passing holes with small apertures. The box body is also provided with a fragrance retaining bead feeding opening 133, and fragrance retaining beads are fed into the box body through the fragrance retaining bead feeding opening 133; the present embodiment avoids the reaction between the fragrance retaining beads and the detergent by providing a single fragrance retaining bead feeding device 1. As shown in fig. 1, a first end of the circulation pipeline 11 is communicated with the box body through a liquid inlet 131, a second end is communicated with the box body through a first liquid outlet 132, and a circulation passage is formed between the circulation pipeline 11 and the box body; the circulating pipeline 11 is also provided with a water inlet and a second liquid outlet, the water inlet is communicated with a water inlet pipe of the washing machine, and the second liquid outlet is communicated with a washing barrel of the washing machine; in some embodiments, the water inlet is in direct communication with the washing machine inlet pipe, and in other embodiments, the water inlet is in communication with the washing machine inlet pipe through the washing machine inlet box. The water inlet is provided with a first control valve 111, and the first control valve controls the on-off of the water inlet pipe and the circulation pipeline. A second control valve 112 is arranged at the second liquid outlet and controls the on-off of the circulation pipeline and the washing barrel passage. (ii) a The circulation mechanism 12 is provided in the circulation line 11, and drives the liquid in the circulation line 11 to flow in the circulation path. The fragrance retaining bead feeding device 1 of the present embodiment makes the fragrance retaining bead diluent flow in the circulation channel by the action of the circulation mechanism 12, so that the fragrance retaining beads are sufficiently dissolved.

In one embodiment of the circulation mechanism 12, as shown in fig. 3 to 7, the circulation mechanism 12 includes a stirring part and a transmission part, the stirring part includes a stirring shaft 122 and a water-stirring blade 121 connected to the stirring shaft 122, the stirring shaft 122 is disposed on the circulation pipe 11 and the water-stirring blade 121 is located inside the circulation pipe; the transmission part is positioned outside the circulating pipeline 11; the transmission part connects the stirring shaft 122 with the driving shaft 5 of the washing machine, and is used for transmitting the power of the driving shaft 5 to the stirring shaft 122 to drive the stirring shaft 122 to rotate, the stirring shaft 122 rotates to drive the water-stirring blades 121 to rotate, and the water-stirring blades 121 rotate to drive the liquid in the circulating pipeline 11 to flow in the circulating passage. This implementation drives through washing machine transmission shaft 1232 and leaves fragrant pearl circulation mechanism 12, the energy saving. Specifically, a first gear 51 is disposed at one end of the driving shaft 5 of the washing machine away from the outer tub 3, a second gear 1221 is disposed at one end of the stirring shaft 122 outside the circulation pipeline 11, the transmission part includes a plurality of third gears 1231 with different radii and a plurality of transmission shafts 1232, and the plurality of third gears 1231 and the plurality of transmission shafts 1232 form a multi-stage transmission mechanism 123; the first gear 51 is engaged with the third gear 1231 forming the first stage of the transmission in the multi-stage transmission 123, and the second gear 1221 is engaged with the third gear 1231 forming the last stage of the transmission in the multi-stage transmission 123.

Another embodiment of the circulation mechanism 12 is: the circulation mechanism 12 comprises a stirring part and a driving part, wherein the stirring part comprises a stirring shaft 122 and a water stirring blade 121 connected with the stirring shaft 122, and the stirring shaft 122 is arranged on the circulation pipeline 11 and enables the water stirring blade 121 to be positioned inside the circulation pipeline; the driving part is located outside the circulation pipeline 11, the driving part is connected with the stirring shaft 122 and used for driving the stirring shaft 122 to rotate, the stirring shaft 122 rotates to drive the water stirring blades 121 to rotate, and the water stirring blades 121 rotate to drive liquid in the circulation pipeline 11 to flow in the circulation passage.

Further optionally, the water inlet is provided with a flow detection device, the flow detection device is used for detecting the water inflow entering the circulation passage from the water inlet, so that the concentration of the fragrance retaining beads can be controlled according to the water inflow entering the circulation passage, and a user can select the concentration of the fragrance retaining beads according to needs.

The embodiment also provides a washing machine, which comprises the fragrance bead putting device 1 as shown in fig. 5-9. The washing machine comprises a shell 4 and an outer barrel 3, and the fragrance retaining bead putting device 1 is arranged between the shell 4 and the outer barrel 3.

Further optionally, the washing machine is a drum washing machine, the drum washing machine includes a table 41, an opening 411 is provided on the table 41, and the fragrance-retaining bead feeding opening 133 is disposed opposite to the opening 411. In some embodiments, the table 41 is further provided with a cover plate for covering the opening 411. In other embodiments, the opening 411 of the table 41 is connected with an automatic perfume-retaining bead feeding device, the automatic perfume-retaining bead feeding device comprises a perfume-retaining bead storage box and a feeding pump connected with the perfume-retaining bead feeding box 13, and the feeding pump is communicated with the perfume-retaining bead feeding box 13. The fragrance retaining beads are stored in the fragrance retaining bead liquid storage box in advance, the fragrance retaining bead putting control key is arranged on the washing machine, and after a user presses the fragrance retaining bead putting control key, the putting pump pumps a set amount of fragrance retaining bead concentrated solution from the fragrance retaining bead automatic putting device to put into the fragrance retaining bead putting box 13.

Further optionally, washing machine still includes the box 2 of intaking with washing machine inlet tube intercommunication, and the water inlet communicates with the box 2 of intaking, need not to set up the pipeline alone between leaving fragrant pearl input box 13 and the washing machine inlet channel.

The present embodiment further proposes a control method of any one of the above washing machines, as shown in the control flowchart of fig. 10, where the washing machine is provided with a fragrance preserving mode, and after receiving a control command of the fragrance preserving mode, the control method includes steps S1 to S3, where:

s1, controlling the washing machine to introduce water with preset water quantity into the circulation passage;

s2, controlling the liquid in the circulation path to flow into the washing barrel before the washing machine drains water when the washing machine runs to the last rinsing process of the rinsing program in the process that the washing machine processes the clothes;

s3, fragrance keeping treatment is carried out on the clothes in the washing machine, and when the fragrance keeping treatment time is up to the set fragrance keeping treatment time, the washing machine is controlled to drain water; the fragrance-retaining treatment is soaking treatment and/or washing treatment of the clothes.

This embodiment will leave fragrant pearl diluent and drop into the washtub in through control after last rinsing and avoided leaving behind the rinsing fragrant pearl to leave fragrant poor problem of effect. Then the perfume is fully contacted with the clothes through short-time soaking, rinsing and beating, and the perfume-retaining effect is exerted to the maximum extent. In some embodiments, the liquid in the circulation path is controlled to flow into the tub before the last rinsing process of the rinsing process is performed, or the liquid in the circulation path is controlled to flow into the tub during the last rinsing process, or the liquid in the circulation path is controlled to flow into the tub before the washing machine drains water after the last rinsing process is completed.

Further optionally, step S1 includes step S11, wherein:

and S11, before the washing program or the rinsing program, controlling the washing machine to introduce water with preset water quantity into the circulation passage.

Further optionally, step S11 includes S111 to S112, where:

s111, controlling the washing machine to feed water before the washing program or the rinsing program is started, and controlling the first control valve 111 to open when the water fed into the washing machine reaches a set water inlet amount or reaches a set water inlet time;

and S112, detecting the water inflow in the circulating pipeline 11, and controlling the first control valve 111 to close when the water inflow in the circulating pipeline 11 reaches a preset water inflow or reaches a preset water inflow time.

The set water inflow and the set water inflow time in this embodiment are, in some embodiments, water inflow or water inflow time to reach a washing water level or a rinsing water level of the washing machine, and the path between the water inlet box 2 and the washing tub is disconnected after the washing machine reaches the set water inflow and the set water inflow time; in other embodiments, the water inflow amount or the water inflow time is smaller than the washing water level or the rinsing water level, and at this time, the water inflow box 2 and the washing tub self-checking passage are kept in a conduction state, after the first control valve 111 is opened, the water inflow pipe supplies water into the circulation pipeline 11 and also supplies water into the washing tub, and when the water inflow amount of the circulation pipeline 11 reaches the preset water inflow amount or reaches the preset water inflow time, the water in the washing tub just reaches the washing water level or the rinsing water level at this time. In some embodiments, the water inflow amount and the water inflow time are set to be the time for bringing the detergent in the detergent putting box into the washing tub, when the set water inflow amount and the set water inflow time are reached, no detergent is in the detergent putting box, the first control valve 111 is opened at this time, the detergent does not enter the circulation pipeline 11 when the water enters the water inlet box 2, the water also enters the washing tub when the circulation pipeline 11 enters the water, when the water inflow amount in the circulation pipeline 11 reaches the preset water inflow amount or reaches the preset water inflow time, the water enters the washing tub when the water reaches the washing water level or the rinsing water level, the water enters the washing tub continuously until the washing water level or the rinsing water level is reached.

Further optionally, in the control method of this embodiment, a preset concentration of the aroma-retaining beads is further obtained; and determining the preset water inflow or the preset water inflow time according to the preset concentration of the fragrance retaining beads.

Further optionally, in the control method of the embodiment, the rotation speed of the washing tub is also obtained; the transmission ratio between the driving shaft 5 of the washing machine and the multi-stage transmission mechanism 123 is adjusted according to the acquired rotation speed of the washing tub to maintain the rotation speed of the pulsator portion stable.

The following is a specific implementation of the washing machine of the embodiment in the use process: as shown in fig. 9, and a control flow chart shown in fig. 10:

judging whether a user selects a fragrance retaining mode and the fragrance retaining concentration before the washing program starts, and if the user does not select the fragrance retaining mode, performing a normal washing process; if the user selects the fragrance retaining mode, the main control room 7 opens the first control valve 111 and starts to feed water through the water inlet box 2, the water inlet amount is adjusted according to the fragrance retaining concentration selected by the user, and the first control valve 111 is closed after the water inlet is finished. And if the user does not select the concentration of the fragrance-retaining beads, controlling to enter the standard amount of water. Meanwhile, the multistage transmission mechanism 123 is connected with a driving shaft 5 and a stirring shaft 122 of a washing barrel of the washing machine 6, the driving shaft 5 rotates to drive the multistage transmission mechanism 123, the multistage transmission mechanism 123 drives the stirring shaft 122, the stirring shaft 122 drives the water stirring blades 121 to rotate, and the water stirring blades 121 rotate to drive water in the circulating pipeline 11 to flow. In order to ensure the stable flow rate of the circulating water, the main control chamber 7 senses the rotation speed of the washing tub through the rotation speed sensor, and adjusts the transmission ratio between the driving shaft 5 and the multi-stage transmission mechanism 123 of the washing machine 6, so as to keep the stirring part at a stable rotation speed all the time, for example, when the rotation speed of the washing machine 6 in the first stage is 800, the rotation speed ratio of 1:20 is used, and when the rotation speed of the washing machine 6 in the second stage reaches 1200, the rotation speed ratio is adjusted to be 1: 30, when the rotating speed of the washing barrel of the third-stage washing machine 6 reaches 1320, the rotating speed ratio is adjusted to 1:33, so that the rotating speed of the stirring part is always kept at 40. The water passes through the stirring part and dials the water vane 121 and circulates repeatedly ceaselessly in the pipeline, the box 13 is put in to the endless flow has microporous fragrant pearl to flow through, will stay fragrant pearl to dissolve in circulating water, until the washing procedure finishes after the last rinsing process, main control room 7 opens control valve second control valve 112, make the circulating water that contains and stays fragrant pearl dissolving water flow in washing machine 6's a section of thick bamboo, then get into and stay fragrant and handle, it is optional for carrying out transient soaking process or washing process to stay fragrant to handle, get into normal dehydration at last, dry or directly finish whole laundry processes.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a device is put in to fragrant pearl of remaining of washing machine which characterized in that, it includes to stay fragrant pearl to put in the device:

2. A fragrance bead delivery device for washing machine as claimed in claim 1, wherein said circulation mechanism comprises

3. The fragrance retaining bead putting device of the washing machine as claimed in claim 2, wherein a first gear is arranged at one end of the driving shaft of the washing machine away from the outer barrel, a second gear is arranged at one end of the stirring shaft outside the circulation pipeline, the transmission part comprises a plurality of third gears with different radiuses and a plurality of transmission shafts, and the plurality of third gears and the plurality of transmission shafts form a multi-stage transmission mechanism; the first gear is engaged with a third gear forming a first stage of drive in the multi-stage drive mechanism, and the second gear is engaged with a third gear forming a last stage of drive in the multi-stage drive mechanism.

4. A fragrance bead delivery device for washing machine as claimed in claim 1, wherein said circulation mechanism comprises

5. A fragrance retaining bead putting apparatus for a washing machine as claimed in any one of claims 1 to 4, wherein a flow rate detecting means is further provided at the water inlet for detecting the amount of the inflow of water from the water inlet into the circulation path.

6. A washing machine characterized in that it comprises the fragrance bead delivery device of any one of claims 1 to 5.

7. A washing machine as claimed in claim 6 wherein the washing machine comprises a housing and an outer tub, the fragrance bead delivery means being disposed between the housing and the outer tub.

8. The washing machine as claimed in claim 7, wherein the washing machine is a drum washing machine comprising a table top having an opening, the fragrance bead dispensing opening being disposed opposite the opening.

9. A washing machine as claimed in claim 8 wherein the counter top is further provided with a lid for closing the opening.

10. A washing machine as claimed in any one of claims 6 to 9 further comprising a water inlet box in communication with the water inlet conduit of the washing machine, the water inlet being in communication with the water inlet box.

11. A control method of a washing machine according to any one of claims 6 to 10, wherein the washing machine is provided with a fragrance retaining mode, and when a control command of the fragrance retaining mode is received, the control method comprises:

12. The control method as claimed in claim 11, wherein the controlling the washing machine to introduce a preset amount of water into the circulation path includes

13. The control method of claim 11, wherein the controlling of the washing machine to introduce a preset amount of water into the circulation path before the washing process or before the rinsing process is started comprises

14. A control method according to claim 11, characterized in that the control method further comprises

Acquiring the preset concentration of the fragrance-retaining beads;

15. The control method according to any one of claims 11 to 14, characterized in that the control method further comprises

Also acquiring the rotating speed of the washing barrel;