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WO2023202279A1 - Appareil de distribution de lessive et dispositif de lavage du linge - Google Patents

Appareil de distribution de lessive et dispositif de lavage du linge Download PDF

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Publication number
WO2023202279A1
WO2023202279A1 PCT/CN2023/081763 CN2023081763W WO2023202279A1 WO 2023202279 A1 WO2023202279 A1 WO 2023202279A1 CN 2023081763 W CN2023081763 W CN 2023081763W WO 2023202279 A1 WO2023202279 A1 WO 2023202279A1
Authority
WO
WIPO (PCT)
Prior art keywords
detergent
water
mixing
mixing zone
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/081763
Other languages
English (en)
Chinese (zh)
Inventor
郝志刚
王光辉
王麒
魏军虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Electric Appliance Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Washing Electric Appliance Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Washing Electric Appliance Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Washing Electric Appliance Co Ltd
Publication of WO2023202279A1 publication Critical patent/WO2023202279A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements

Definitions

  • the invention belongs to the technical field of laundry equipment, and specifically relates to a detergent dispensing device and laundry equipment.
  • Washing machines in the prior art generally add laundry detergent, softener and other detergents along with the incoming water flow during the water inlet process, and the detergent is directly flushed into the inner barrel of the washing machine by the incoming water flow.
  • This delivery method is not conducive to the thorough mixing of the detergent and the water flow, causing the detergent to fail to fully dissolve when it is put into the inner cylinder and quickly settle to the bottom in the inner cylinder.
  • the detergent is not fully dissolved in the water. The initial washing is just to rinse the clothes with water without the curse of the detergent solution, resulting in poor washing effect.
  • the detergent since the detergent enters the inner cylinder without being fully mixed with the water flow, part of the solution with a higher concentration of detergent may be directly absorbed by the clothes in the inner cylinder, which is even more detrimental to the subsequent dissolution process of the detergent.
  • the amount of clothes in the inner drum if the amount of clothes in the inner drum is large, it may not be able to wet all the clothes, and even some of the clothes may not be completely soaked a few minutes after the start of washing, and thus cannot fully contact with the detergent.
  • the uneven action of detergent on the clothes in the tube results in low detergent utilization efficiency and waste of detergent.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a detergent dispensing device and laundry equipment that can fully mix detergent and water before dispensing them.
  • a detergent dispensing device includes a first cover and a second cover.
  • the first cover and the second cover are fastened to define a dispensing channel for detergent solution between them;
  • the delivery channel includes in sequence along the flow direction of the liquid:
  • a water inlet area is provided with the water inlet
  • a delivery area is connected to the mixing area, and the liquid outlet is provided at the end of the delivery area;
  • the direction of the end of the water inlet zone is opposite to the direction of the starting end of the mixing zone.
  • the width of the delivery channel at the mixing area is greater than its width at the water inlet area, and the mixing structure is a rib provided on the second cover and protruding from the inner wall of the mixing area;
  • the area where the convex ribs are provided in the mixing zone has a certain length along the direction of liquid flow, and the convex ribs include:
  • the first convex rib extends obliquely in the length direction of the mixing zone, gradually approaching both sides of the mixing zone from the middle of the mixing zone;
  • a balance air valve is provided in the water inlet area for one-way communication from the outside of the delivery channel to the inside.
  • a raised water-blocking rib is provided on the second cover body, and the water-blocking rib contacts the first cover body to define the delivery channel;
  • the inlet of the detergent communication channel is connected to the accommodating cavity for storing detergent
  • the outlet of the detergent communication channel is connected to the inlet end of the delivery pump
  • the outlet end of the delivery pump is connected to the adding port on the delivery channel.
  • Another object of the present invention is to provide a laundry equipment including the above-mentioned detergent dispensing device.
  • a delivery channel is defined between the first cover and the second cover of the detergent delivery device, water flows through the delivery channel, and the detergent is added through the adding port provided between both ends of the delivery channel.
  • the water flow flows through the adding port to flush the put in detergent, driving the detergent to pass through the mixing structure in the putting channel.
  • the detergent and water are fully mixed, and then flow out from the liquid outlet.
  • the uniformly mixed detergent solution can be directly added, which is beneficial to improving the utilization rate of the detergent in the laundry process and preventing the detergent from running out. Full dissolution will greatly reduce its effect and can significantly improve the laundry effect.
  • a pressure relief valve is provided in the mixing area of the delivery channel.
  • a certain amount of liquid can be discharged through the pressure relief valve to avoid excessive water pressure. Damage the structure of the delivery channel, or cause the liquid in the delivery channel to flow back through the adding port, causing water to enter the chamber where the detergent is stored, causing detergent contamination.
  • Figure 1 is a schematic structural diagram of a detergent delivery device in an embodiment of the present invention
  • Figure 2 is an exploded view of the detergent delivery device in the embodiment of the present invention.
  • Figure 3 is a schematic structural diagram of the detergent dispensing device in the embodiment of the present invention with the first cover removed;
  • Figure 4 is an enlarged schematic diagram of position A in Figure 3 of the present invention.
  • Figure 5 is a top view of the detergent dispensing device in the embodiment of the present invention with the first cover removed.
  • connection should be understood in a broad sense.
  • connection can be a fixed connection or a detachable connection.
  • Connection, or integral connection can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium.
  • connection or integral connection
  • connection can be a mechanical connection or an electrical connection
  • connection can be a direct connection or an indirect connection through an intermediate medium.
  • specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • embodiments of the present invention provide a detergent dispensing device and laundry equipment, such as a washing machine, including the detergent dispensing device.
  • Detergents described in this embodiment include but are not limited to laundry detergent, softener, disinfectant, Poisons, etc.
  • the first cover 100 and the second cover 200 are fastened together, and a delivery channel 400 for detergent solution is defined therebetween.
  • the upper surface of the second cover 200 is provided with a raised water-blocking rib 210 , and the upper edge of the water-blocking rib 210 contacts the lower surface of the first cover 100 , thereby defining the delivery channel 400 .
  • the lower surface of the first cover body 100 can also be provided with raised retaining ribs corresponding to the water retaining ribs 210, and the water retaining ribs 210 on the second cover body 200 are in contact with the raised retaining ribs on the first cover body 100.
  • the delivery channel 400 is limited.
  • the delivery channel 400 has a water inlet 401 for water inlet and a liquid outlet 403 for delivering a mixed solution of detergent and water to the outside of the detergent delivery device.
  • An adding port 402 is provided between the water inlet 401 and the liquid outlet 403, and the adding port 402 is connected to the accommodating cavity for storing detergent.
  • a mixing structure for mixing detergent and water is provided between the adding port 402 and the liquid outlet 403 of the delivery channel 400 .
  • the water inlet 401 , the adding port 402 and the liquid outlet 403 are all openings provided on the second cover 200 .
  • the water inlet 401 is connected to the water inlet structure of the laundry equipment, and the external water source enters the dispensing channel 400 through the water inlet.
  • the adding port 402 is connected to an accommodating cavity for storing detergent located below the second cover 200 .
  • a dispensing pump is provided to suck the detergent out of the accommodating cavity, and the detergent is put into the dispensing channel 400 through the adding port 402 .
  • the detergent flows together with the water flow along the delivery channel 400 and is mixed through the mixing structure, thereby ensuring that the detergent is fully mixed with water before it is discharged through the liquid outlet 403 .
  • the water inlet 401 and the adding port 402 are set at intervals in the delivery channel 400, and the water inlet flows through
  • the water inlet area 410 has a certain flow rate, and when passing through the adding port 402, it has a flushing effect on the detergent entering through the adding port 402, and effectively drives the detergent to flow to the mixing zone 420 for mixing.
  • the width of the delivery channel 400 at the mixing area 420 is greater than its width at the water inlet area 410, and the mixing structure is provided on the second cover 200 and protrudes from the inner wall of the mixing area 420. convex ribs.
  • the width of the water inlet area 410 is relatively small, and the water flow rate is relatively fast, which can fully drive the detergent put into the adding port 402 to flow to the mixing area 420.
  • the width of the mixing zone 420 is larger than that of the water inlet zone 410, and the liquid is dispersed when entering the mixing zone 420, which is conducive to further uniform dispersion of the detergent in the water.
  • a plurality of convex ribs are provided in the mixing zone 420. During the liquid flow process, the liquid continuously impacts the convex ribs and the water retaining ribs 210 on both sides of the mixing zone 420, changing the flow direction, which can accelerate the dissolution of the detergent and enhance the mixing effect.
  • the area provided with convex ribs in the mixing zone 420 has a certain length along the flow direction of the liquid.
  • the convex ribs include first convex ribs 421 and second convex ribs that are sequentially arranged in the direction of liquid flow. 422 and the third rib 423.
  • first convex rib 421 and the second convex rib 422 both extend obliquely to the length direction of the mixing zone, and the first convex rib 421 and the second convex rib 422 are respectively arranged in pairs.
  • the first convex rib 421 gradually approaches from the middle of the mixing zone 420 to both sides of the mixing zone 420 from right to left
  • the second convex rib 422 gradually approaches from the both sides of the mixing zone 420 to the middle of the mixing zone 420 from right to left.
  • the third rib 423 extends parallel to the length direction of the mixing zone 420 and is disposed close to the central axis of the mixing zone 420 .
  • the side area further flows to the left end, reaches the next pair of first ribs 421, and is guided to both sides again.
  • the liquid continuously impacts on each raised rib and the side wall of the mixing zone 420, so that the detergent can be fully dissolved in the water flow after passing through the mixing zone 420.
  • the width of the delivery area 430 is smaller than that of the mixing area 420 , and the flow rate of the mixed detergent solution increases when it enters the delivery area 430 .
  • the liquid flows from left to right in the upstream area of the dropping area 430, and the flow direction is exactly opposite to that in the mixing area 420.
  • the arrangement of the guide ribs 424 can guide the liquid to turn downward, making it easier to collect towards the starting end of the delivery area 430, so that the mixed detergent solution can smoothly enter the delivery area 430 of the delivery channel 400, and finally exit through the liquid outlet 403 outflow.
  • the setting of the pressure relief valve 425 can prevent the water pressure in the delivery channel 400 from being too high and causing damage to the structure of the first cover 100 and the second cover 200 that cooperate to form the delivery channel 400. At the same time, it is also avoided that excessive water pressure causes backflow of water at the adding port 402, which in turn causes water to enter the chamber where the detergent is stored, causing contamination of the detergent.
  • the side walls of the mixing area 420 that is, the water retaining ribs 210 that surround the mixing area 420 are partially protruding from the inside of the delivery channel 400 to the outside, and a recess 426 is formed inside the delivery channel 400, and a pressure relief valve 425 is provided in the recess. Within 426. In this case, the pressure relief valve 425 is disposed in the edge area of the delivery channel 400. When the pressure relief valve 425 is opened, the outflow of the liquid will not affect the overall flow trend of the liquid in the delivery channel 400.
  • the diverting rib 427 extends along the arc direction as a whole.
  • the liquid flows from right to left at the position where the width of the mixing zone 420 increases, and the upper end of the diverting convex rib 427 blocks part of the liquid, causing the liquid to flow along the right surface of the diverting convex rib 427 toward the concave portion 426, and finally bypasses the diverting convex rib 427.
  • the lower end of rib 427 continues to flow to the right.
  • the distributing convex ribs 427 are arranged to guide the flow to the position of the recessed portion 426, so that the recessed portion 426 has enough liquid to flow through for flushing, and avoids the accumulation of detergent in the recessed portion 426 and the inability to set the convex ribs into the mixing zone 420.
  • the area flow problem is solved, thereby ensuring the effective mixing of detergent and water by the detergent dispensing device.
  • a balance air valve 411 is provided in the water inlet area 410 of the delivery channel 400 for one-way communication from the outside of the delivery channel 400 to the inside.
  • a negative pressure environment may be formed in the placement channel 400 because the inlet water flow is instantly cut off, resulting in water that cannot flow out of the placement channel 400 .
  • the balance valve 411 can be opened under external atmospheric pressure to balance the internal and external atmospheric pressures of the delivery channel 400 and avoid water accumulation in the delivery channel 400 .
  • a buffering convex rib 412 is provided in the water inlet area 410 between the balance air valve 411 and the adding port 402.
  • the buffering convex rib 412 is connected to the water retaining ribs 210 on both sides of the water inlet area 410, and the convexity of the buffering convex rib 412 is The raised height is lower than the raised height of the water retaining rib 210.
  • a detergent communication channel 500 is also defined between the first cover 100 and the second cover 200 , and the detergent communication channel 500 and the delivery channel 400 are isolated from each other.
  • the detergent communication channel 500 is provided with an inlet 501 at one end and an outlet 502 at the other end.
  • the inlet 501 is connected to the accommodation cavity where detergent is stored under the second cover 200 .
  • the outlet 502 is connected to the inlet end of the delivery pump.
  • the outlet end of the delivery pump is connected to the adding port 402 on the delivery channel 400 .
  • the detergent is added to the delivery channel 400 . agent.
  • the detergent dispensing device can fully mix the detergent and water before dispensing it, thereby improving the utilization rate of the detergent and avoiding the failure of the detergent to fully dissolve, resulting in the detergent not being able to achieve the best effect. question.
  • the delivery channel 400 in the detergent delivery device is also provided with a pressure relief valve 425 and a balance air valve 411 respectively.
  • the pressure relief valve 425 can drain water and release the pressure when the water pressure in the delivery channel 400 is too high to prevent the backflow of water from causing the stored washing. If there is water contamination in the agent, the balance air valve 411 can be connected to the atmospheric pressure after the delivery is completed to prevent the negative pressure inside the delivery channel 400 from storing water, thus avoiding the problem of dripping complaints after the user opens the machine door.
  • This embodiment provides a method for controlling detergent delivery and washing in the laundry equipment described in the first embodiment, wherein the laundry equipment has an inner tube and an outer tube, and the inner tube is a washing drum.
  • the detergent dispensing device of the laundry equipment has at least two independent accommodation chambers, which are respectively used to store different types of detergents. As shown in Figures 1 to 5, each accommodation chamber is provided with a corresponding piston pump. By controlling the operation of different piston pumps, the corresponding type of detergent can be put into the delivery channel 400 through the adding port 402, and then fully mixed with water. After mixing, it flows out through the liquid outlet 403 and is put into the inner cylinder of the washing equipment.
  • the washing equipment is started, water is supplied and detergent is added;
  • the heating device heats up, steam enters the inner cylinder, turns on the drying fan, and circulates high-temperature air in the cylinder to increase the surface temperature and humidity of the clothes;
  • Detergent 1 is put in. Detergent 1 is fully mixed with water at one time and sprayed multiple times. The inner cylinder rotates between each spray;
  • detergent 2 is fully mixed with water and then sprayed;
  • the purpose of heating is to increase the water content.
  • the purpose of heating is to maintain the temperature of the washing water.
  • the temperature of generating steam and maintaining the temperature of the washing water are determined by the built-in program of the washing equipment. These temperatures can be a fixed temperature range. It can also be a fixed temperature value; it can also be set by the user based on parameters such as the amount of laundry and the material of the laundry.
  • step S11 water is fed through the condensation pipe to a set water level.
  • the set water level just covers the heating device to prevent the heating device from dry burning, and the water level is lower than the surface of the inner cylinder. It can be understood that a small amount of water is beneficial to Rapid heating and steam generation, during the process of rotating the inner cylinder, increase the surface temperature of the clothes, increase the activity of stains on the surface of the clothes, and improve the cleaning effect; it should be noted that the heating device is located between the inner cylinder and the outer cylinder, on the inner wall of the bottom of the outer cylinder superior.
  • the first detergent is laundry detergent
  • the second detergent is a softener, clothing bactericide, cleaning agent, etc.
  • the laundry detergent is generally added before the softener is added.
  • both laundry detergent and softener can be directly sprayed on the surface of the clothes by mixing the solution, so that the detergent and the surface of the clothes, especially the stains on the surface of the clothes, are in direct contact with the high temperature and high humidity environment, which can simultaneously improve the detergent and stains. activity, reducing the amount of detergent and water consumption.
  • the motor can be selectively set to drive the inner cylinder to rotate for a preset time, and then the water level is detected through the water level sensor; obviously, after the detergent is placed, The detergent is fully mixed with the water in the inner drum, so that the clothes are in a high-concentration treatment agent mixture, further improving the cleaning/softening effect; the last spray of detergent is still placed on the surface of the clothes, and the rotation of the inner drum promotes the turning of the clothes. , increase the contact area between detergent and clothes, thereby promoting better contact and integration of detergent with clothes and improving washing effect.
  • the clothes are wetted by heating steam and drying cycles to increase the surface temperature and humidity of the clothes, thereby improving the activity of the detergent during laundry.
  • the detergent is directly sprayed onto the surface of the clothes by mixing the solution, increasing the amount of detergent.
  • the contact area with clothes reduces the amount of detergent and water consumption.
  • Embodiment 2 lies in the adding process of detergent. Specifically, the motor stops driving the inner drum, and the detergent and water are fully mixed into a mixture, which is sprayed directly onto the surface of the clothes through the spray device; the temperature and humidity in the drum and the clothes are maintained at the temperature and humidity set in step S12, and the inner drum rotates and is washed. The detergent aqueous solution spray cycle is continued until the detergent mixture is poured in.
  • the present invention can set up a pre-filter device in front of the main water channel of the spray device. Activating the pre-filter device can remove impurities in the water, making the water entering the main water channel cleaner, which is beneficial to improving the effect of the detergent.
  • step S1 the following steps are also included: S0, drainage, draining the water in the drum and weighing the clothes; determining the total amount of water in the laundry equipment, the number of times of water inlet, and the amount of detergent one and detergent two based on the weight of the clothes. Delivery volume. It should be noted that in addition to determining the amount of laundry water, the number of times of water inlet, or the amount of detergent based on the weight of the clothes, those skilled in the art can also consider and set the above laundry parameters based on the number of items of clothing, the material of the clothes, the degree of soiling of the clothes, etc.
  • This embodiment is a further limitation of the above embodiment, and specifically limits the cleaning and rinsing procedure in step S2.
  • laundry equipment can rinse clothes by spraying water in, which not only allows the clothes to fully contact with water, but also saves water and electricity than the traditional direct water inlet method; compared with traditional washing methods, this method
  • the water consumption of a single washing of the laundry equipment can be reduced by 25%, and the power consumption can be reduced by 75%.
  • step S4 S5 drying process and S6 fresh air aromatherapy process are added. specifically:
  • the drying heating device turns on to dry and heat the clothes, and the drying fan starts to dry the clothes.
  • the fresh air device fan is continuously turned on to promote air exchange between the inside and outside of the drum of the washing equipment. Every interval An air exchange is performed once in a certain period of time, and the number of air exchanges and the time interval are determined based on the drying time;
  • air interaction between the inner and outer cylinders is performed during the drying process to keep the air inside the cylinder fresh.
  • the fresh air fan is turned on.
  • the aromatherapy agent at the fresh air inlet, the dried clothes can also be treated. Aromatherapy to keep clothes scented.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un appareil de distribution de lessive et un dispositif de lavage du linge. L'appareil de distribution de lessive comprend un premier corps de couvercle (100) et un second corps de couvercle (200), le premier corps de couvercle (100) et le second corps de couvercle (200) formant et délimitant entre eux un canal de distribution (400) pour une solution de lessive ; le canal de distribution (400) est pourvu d'une entrée d'eau (401) utilisée pour introduire de l'eau, et d'une sortie de liquide (403) utilisée pour distribuer une solution mélangée de lessive et d'eau ; un orifice d'ajout (402) est disposé entre l'entrée d'eau (401) et la sortie de liquide (403), l'orifice d'ajout (402) étant en communication avec une cavité de réception destinée à stocker la lessive, et une structure de mélange utilisée pour mélanger la lessive et l'eau est disposée entre l'orifice d'ajout (402) et la sortie de liquide (403) du canal de distribution (400) ; la lessive entre dans le canal de distribution (400) en provenance de l'orifice d'ajout (402), et un écoulement d'eau d'entrée s'écoule de l'entrée d'eau (401) à l'orifice d'ajout (402), pour amener la lessive distribuée à se mélanger avec l'eau au moyen de la structure de mélange, de telle sorte que la lessive peut être complètement mélangée avec l'eau avant d'être évacuée par la sortie de liquide (403), ce qui permet d'améliorer le taux d'utilisation de la lessive et d'améliorer les effets de lavage.
PCT/CN2023/081763 2022-04-19 2023-03-16 Appareil de distribution de lessive et dispositif de lavage du linge Ceased WO2023202279A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210410680.9 2022-04-19
CN202210410680.9A CN116949766A (zh) 2022-04-19 2022-04-19 一种洗涤剂投放装置及洗衣设备

Publications (1)

Publication Number Publication Date
WO2023202279A1 true WO2023202279A1 (fr) 2023-10-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/081763 Ceased WO2023202279A1 (fr) 2022-04-19 2023-03-16 Appareil de distribution de lessive et dispositif de lavage du linge

Country Status (2)

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CN (1) CN116949766A (fr)
WO (1) WO2023202279A1 (fr)

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CN117552226A (zh) * 2023-12-22 2024-02-13 珠海格力电器股份有限公司 一种洗涤剂投放装置、洗衣机及其进水控制方法
CN119932874A (zh) * 2025-01-20 2025-05-06 珠海格力电器股份有限公司 一种洗涤剂投放组件、进液系统及织物处理设备

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CN217026417U (zh) * 2022-03-11 2022-07-22 浙江宏昌电器科技股份有限公司 一种洗涤剂自动投放装置
CN217026415U (zh) * 2022-03-11 2022-07-22 浙江宏昌电器科技股份有限公司 一种具有换气功能的自动投料装置

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CN110629463A (zh) * 2018-06-21 2019-12-31 青岛海尔滚筒洗衣机有限公司 一种自动投放装置及控制方法及多滚筒洗衣机
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117552226A (zh) * 2023-12-22 2024-02-13 珠海格力电器股份有限公司 一种洗涤剂投放装置、洗衣机及其进水控制方法
CN119932874A (zh) * 2025-01-20 2025-05-06 珠海格力电器股份有限公司 一种洗涤剂投放组件、进液系统及织物处理设备
CN119932874B (zh) * 2025-01-20 2025-10-28 珠海格力电器股份有限公司 一种洗涤剂投放组件、进液系统及织物处理设备

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