WO2018133620A1 - Dispositif externe d'introduction de détergent, son procédé de commande et lave-linge - Google Patents

Dispositif externe d'introduction de détergent, son procédé de commande et lave-linge Download PDF

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Publication number
WO2018133620A1
WO2018133620A1 PCT/CN2017/117846 CN2017117846W WO2018133620A1 WO 2018133620 A1 WO2018133620 A1 WO 2018133620A1 CN 2017117846 W CN2017117846 W CN 2017117846W WO 2018133620 A1 WO2018133620 A1 WO 2018133620A1
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WO
WIPO (PCT)
Prior art keywords
detergent
delivery
washing machine
water
external
Prior art date
Application number
PCT/CN2017/117846
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English (en)
Chinese (zh)
Inventor
宋华诚
吕艳芬
许升
Original Assignee
青岛海尔滚筒洗衣机有限公司
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Application filed by 青岛海尔滚筒洗衣机有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Publication of WO2018133620A1 publication Critical patent/WO2018133620A1/fr

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    • 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
    • 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

Definitions

  • the present disclosure relates to the field of home appliance technology, for example, to an external detergent dispensing device, a control method thereof, and a washing machine using the external detergent dispensing device.
  • the fully automatic washing machine in the related art generally detects the weight of the laundry and the ambient temperature through the sensor, and then transfers it to the computer program, and the computer program automatically calculates the amount of the detergent to be added, and intelligently controls the delivery of the pump when entering the water.
  • the detergent is pumped from the storage chamber into the detergent box to achieve precise delivery of the detergent.
  • the user needs to manually add the detergent to the detergent box in advance, and the washing machine then washes the detergent into the washing by flushing according to the washing process. Inside the tube.
  • the amount of detergent to be dispensed depends on the arbitrariness of the user's operation, and often there are too many or too little to be delivered, too little to cause the laundry to be unclean, too much to cause rinsing, laundry, and laundry. Liquid residue, affecting the appearance and wearing experience of the clothes. Moreover, since it is necessary to add a detergent to the detergent box for each washing, it is inconvenient for the user to use. For such a washing machine which is not equipped with an automatic dispensing device, particularly a washing machine in a user's home, there is no method in the related art for automatic dispensing of the detergent by simple modification; and in the case where the other functions of the washing machine are intact, the machine is discarded. Or replacing a new washing machine will cause waste of resources and increase the burden on consumers.
  • the present disclosure provides an external detergent dispensing device that realizes connection and communication with the body of the washing machine by providing the dispensing device outside the washing machine of the related art, so that the ordinary washing machine can automatically dispense the detergent.
  • the present disclosure also provides a control method suitable for the above external detergent dispensing device.
  • the present disclosure also provides a washing machine using the above-described external detergent dispensing device and a control method therefor.
  • An external detergent dispensing device comprises a detergent box, a water inlet pipeline, a delivery pipeline and an external circuit board, the first end of the water inlet pipeline is connected with a tap water joint, and the second end is connected with a water inlet valve of the washing machine.
  • the detergent box is connected to the water inlet pipe through a delivery pipeline, and the delivery pipeline is provided with a placing mechanism arranged to discharge detergent into the water inlet pipeline; the water inlet pipe is provided with a water flow sensor, the water flow Both the sensor and the placement mechanism are connected to an external circuit board.
  • the dispensing mechanism is a delivery pump or a venturi; wherein the delivery pump is a peristaltic pump or a piston pump.
  • a first one-way valve is further mounted on the delivery line to prevent tap water from entering the detergent box from the water inlet line.
  • the water flow sensor is a flow sensor for detecting a water flow rate or a pressure sensor for detecting a hydrostatic pressure of the pipeline; wherein the measuring nozzle of the pressure sensor is located on an inner wall surface of the water inlet pipe, and when the water flows, the water sensor is detected. The pressure is reduced, and when the water is at rest, the detected pressure is increased to the tap water supply pressure.
  • a second one-way valve is installed on the inlet pipe between the detergent box and the tap water joint to prevent the detergent from siphoning to the tap water joint.
  • a detergent injection port is disposed above the detergent box, and a liquid level sensor is disposed in the detergent box, and the liquid level sensor is connected to an alarm device, and when the liquid level in the detergent box is detected The alarm turns on the alarm when the value is set.
  • a mixing chamber disposed above the inner cylinder of the washing machine is further disposed to mix the detergent with the tap water.
  • the control method of the external detergent delivery device comprises: the washing machine end knows the required amount of detergent; the water inlet; the washing machine end sends the detergent delivery instruction; the delivery end detects whether the water flow change and the delivery instruction are consistent by the water flow sensor, if consistent, If the inconsistency is reached, then return to continue to check whether the water flow change is consistent with the delivery instruction; determine whether the detergent delivery amount or delivery time is reached, and determine that the detergent delivery amount or delivery time is reached, the delivery mechanism is turned off, and the judgment is neither reached. When the amount of detergent delivered is again, the return is continued to determine whether the detergent delivery amount or delivery time is reached.
  • the determining whether the detergent delivery amount or the delivery time is reached further comprises: if the detergent delivery amount or the delivery time is reached, the washing machine end sends a stop delivery instruction; and the delivery end detects whether the water flow change and the stop delivery instruction are detected by the water flow sensor. Consistent, if consistent, turn off the delivery.
  • the detecting end of the water flow sensor detecting whether the water flow change is consistent with the stop delivery instruction further comprises: if the water flow change detected by the water flow sensor is inconsistent with the stop delivery instruction, the delivery end determines whether the maximum detergent delivery is reached. Time, when it is judged that the maximum time for detergent delivery is reached, the dispensing mechanism is turned off, and when it is judged that the maximum time for detergent delivery is not reached, the returning continues to determine whether the maximum time for detergent delivery is reached.
  • the determining whether the detergent delivery amount or the delivery time further comprises: the washing machine determines whether the water inlet is completed, determines that the water intake is completed, starts washing, and determines that the water inlet is not completed, and continues to determine whether the water inlet is completed. .
  • the end of the washing machine knows the amount of detergent required by weighing the weight of the laundry.
  • the washing machine end issues a detergent delivery instruction, and the washing machine sends a detergent delivery instruction or stops the delivery instruction to the delivery end by controlling the flow of water at regular intervals.
  • the washing machine issues the detergent delivery instruction and the stop delivery instruction in such a manner that the water inlet valve of the washing machine is continuously cut off three times in one second interval during the water inlet process.
  • the external detergent delivery device of the present disclosure realizes the automatic delivery function of a general washing machine. Moreover, the structure is simple, the modification is convenient, and the requirement for the automatic washing of the detergent in the ordinary washing machine in the related art is satisfied.
  • FIG. 1 is a schematic structural view of an external detergent dispensing device and a washing machine provided in the first embodiment.
  • FIG. 2 is a schematic structural view of an external detergent dispensing device provided in the first embodiment.
  • FIG. 3 is a flow chart of a control method of the external detergent dispensing device provided in the second embodiment.
  • FIG. 4 is a flow chart showing a control method of the external detergent dispensing device provided in the third embodiment.
  • the present embodiment provides an external detergent dispensing device, which solves the problem that the conventional washing machine cannot automatically dispense detergent in the related art.
  • the device comprises a detergent box 1 and a water inlet pipe 2 disposed outside the washing machine 20, wherein the first end of the water inlet pipe 2 is connected to the tap water joint 4, and the second end is connected to the washing machine inlet valve 5 to realize the washing machine 20
  • the water inlet is normally connected; the first end of the delivery line 3 is also connected to the water inlet pipe 2, and the second end of the delivery line 3 is installed in the detergent box 1 for discharging the detergent into the water inlet pipe 2.
  • the delivery line 3 is further provided with a placing mechanism 6 which can select a delivery pump or a venturi tube.
  • a delivery pump with convenient control and accurate delivery such as a piston pump, a peristaltic pump, etc.
  • the water inlet pipe 2 is further provided with a water flow sensor 7 capable of detecting a change of the water flow.
  • the water flow sensor 7 and the loading mechanism 6 are both connected to the external circuit board, and the water flow sensor 7 sends the detection signal to the external circuit board, and the external signal is externally disposed.
  • the circuit board issues an instruction to control the opening or closing of the dispensing mechanism 6 to achieve automatic and quantitative dispensing of the detergent.
  • the water flow sensor 7 may be a flow sensor that detects water flow, or a pressure sensor that detects hydrostatic pressure of the pipeline.
  • the pressure sensor measuring nozzle should be located on the wall of the tap water flow line.
  • the connection with the main body of the washing machine 20 is completed by providing the external detergent box 1 and the external circuit board, and the communication problem between the detergent box 1 and the washing machine 20 is solved; the water flow sensor 7 is passed.
  • the amount of detergent or the time of dispensing is known, and then the dispensing mechanism 6 is controlled to open or close, thereby realizing the automatic delivery function of the ordinary washing machine.
  • the delivery line 3 is further provided with a first one-way valve 8 for allowing the detergent to enter the water inlet line 2 from the detergent box 1 while preventing the tap water from entering the detergent box 1 from the water inlet line 2.
  • a second check valve 9 is also mounted on the water inlet pipe 2 between the detergent box 1 and the water connection 4, so that tap water can flow into the washing machine 20 while avoiding siphoning of the detergent to the tap water joint 4.
  • a detergent dispensing opening 10 is provided above the detergent box 1, and is provided to add a detergent to the detergent box 1.
  • a liquid level sensor 11 is disposed in the detergent box 1, and the liquid level sensor 11 is connected to the alarm device. When it is detected that the liquid level in the detergent box 1 reaches the set value, the alarm device turns on an alarm to remind the user to promptly move to the detergent box. Add detergent to 1.
  • the set value is 1/5 of the height of the inner cavity of the detergent box 1.
  • the detergent box 1 of the present embodiment can contain detergent and fabric softener in an ultra-large capacity, so that the consumer does not need to separately place the detergent and the softener, so that the laundry process is integrated, and the detergent delivery is more accurate and reasonable.
  • a mixing chamber 12 is further disposed above the inner cylinder of the washing machine 20. The tap water and the detergent in the water inlet pipe 2 can be thoroughly mixed after flowing into the mixing chamber 12 to improve the washing effect.
  • the embodiment provides a control method suitable for the external detergent dispensing device according to the first embodiment, including:
  • step 110 the washing machine 20 is powered on
  • step 120 the washing machine end knows the amount of detergent required
  • the washing machine 20 can automatically obtain the laundry weight and the ambient temperature information through the weight sensor and the temperature sensor, and automatically calculate the amount of the detergent to be added.
  • step 130 water is introduced
  • step 140 the washing machine end issues a detergent delivery instruction
  • Step 140 the washing machine 20 controls the water flow by regular intervals, and issues a detergent delivery instruction to the delivery end.
  • the water inlet valve 5 of the washing machine can be continuously cut three times at intervals of one second in the water inlet process.
  • step 150 the delivery end detects the water flow change by the water flow sensor 7, and determines whether the water flow change is consistent with the delivery instruction of the washing machine 20. If yes, the process proceeds to step 160. If not, the process returns to step 150 to continue the detection:
  • step 160 the external circuit board controls to open the placement mechanism 6;
  • step 170 it is determined whether the detergent delivery amount or the delivery time is reached, and when it is determined that the detergent delivery amount or the delivery time is reached, the process proceeds to step 180; when it is determined that neither the detergent delivery amount nor the delivery time is reached, the process returns to step 170 to continue the determination;
  • step 180 the external circuit board controls to turn off the placement mechanism 6;
  • step 190 the washing machine 20 determines whether the water inlet is completed, and determines that the water intake is completed, then proceeds to step 1100 to determine that no water intake is completed, and then continues the determination process;
  • step 1100 washing begins.
  • the present application uses the water flow sensor 7 to detect the change of the water flow, and judges the delivery signal according to the change of the water flow, and transmits the required amount of detergent to the detection position of the delivery device at a regular interval to control the delivery pump or the venturi pipeline.
  • the opening time in order to achieve the precise delivery of detergent, with the appropriate automatic washing and rinsing procedures, to achieve reasonable consumption of valuable resources such as detergent, softener, water, electricity, etc., so that the clothes are as clean as new, and truly Automated and intelligent.
  • this embodiment provides another method for controlling an external detergent dispensing device, which is basically the same as the method in the second embodiment, and the difference is that the control process between step 170 and step 180 is as follows. :
  • step 172 it is determined whether the detergent delivery amount or the delivery time is reached, and when it is determined that the detergent delivery amount or the delivery time is reached, the process proceeds to step 174, and when it is determined that the detergent delivery amount or the delivery time has not been reached, the process returns to step 172 to continue the determination.
  • step 174 the washing machine end issues a stop delivery command
  • step 176 the delivery end detects whether the water flow change coincides with the stop delivery command by the water flow sensor 7, and if yes, proceeds to step 180; if not, proceeds to step S178.
  • step 178 the delivery terminal determines whether the maximum time for detergent delivery has been reached, and determines that the maximum time for detergent delivery has been reached. If the process proceeds to step 180 and determines that the maximum time for detergent delivery has not been reached, the process returns to step 178 to continue the determination.
  • step 180 the external circuit board controls to turn off the placement mechanism 6.
  • the driver program of the washing machine 20 is updated through the network or the after-sales personnel, that is, the water flow control mode for outputting the detergent dosage can be generated, and the external detergent delivery device has a simple structure and is modified. Convenient to meet the needs of the existing ordinary washing machine to automatically put detergent.
  • the washing machine 20 can be regularly controlled during the water inflow process, for example, the washing machine is continuously cut off at one second interval during the water inflow process.
  • Water valve 5 three times. In this way, on the water inlet pipe 2, a change in the water flow corresponding to the time interval is detected.
  • an external circuit board controls the delivery of the pump or the use of a venturi to deliver the detergent. After the required detergent delivery time is reached, the water inlet valve 5 of the washing machine is continuously cut off at intervals of one second. After the water flow is changed at the detection end, the delivery pump or the venturi is closed to terminate the delivery of the detergent.
  • the external detergent delivery device of the present disclosure has the advantages of simple structure, convenient modification, and realizing the automatic delivery function of the ordinary washing machine.

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

Abstract

L'invention concerne un dispositif externe d'introduction de détergent, comprenant une boîte de détergent, une conduite d'entrée d'eau, une conduite d'introduction et une carte de circuit imprimé externe, une première extrémité de la conduite d'entrée d'eau étant reliée à un raccord d'eau de robinet ; une seconde extrémité étant reliée à une soupape d'entrée d'eau d'un lave-linge ; la boîte de détergent est en communication avec la conduite d'entrée d'eau au moyen de la conduite d'introduction ; la conduite d'introduction est équipée d'un mécanisme d'introduction destiné à introduire un détergent dans la conduite d'entrée d'eau ; et la conduite d'entrée d'eau est dotée d'un capteur d'écoulement d'eau, le capteur d'écoulement d'eau et le mécanisme d'introduction étant reliés à la carte de circuit imprimé externe.
PCT/CN2017/117846 2017-01-17 2017-12-21 Dispositif externe d'introduction de détergent, son procédé de commande et lave-linge WO2018133620A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710030780.8A CN108315965B (zh) 2017-01-17 2017-01-17 一种外置洗涤剂投放装置、其控制方法及洗衣机
CN201710030780.8 2017-01-17

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WO2018133620A1 true WO2018133620A1 (fr) 2018-07-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3722487A1 (fr) * 2019-04-12 2020-10-14 LG Electronics Inc. -1- Lave-linge
GB2585510A (en) * 2017-10-23 2021-01-13 Selden Res Ltd A chemical dosing system

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CN111893711B (zh) * 2019-05-05 2023-03-14 青岛海尔洗涤电器有限公司 一种洗衣机补充衣物处理剂的控制方法
CN111041781A (zh) * 2019-12-31 2020-04-21 广州立白企业集团有限公司 一种外置式洗衣机自动投放的蠕动泵装置及自动投放方法
CN111020986A (zh) * 2019-12-31 2020-04-17 广州立白企业集团有限公司 一种外置式洗衣机自动投放装置及自动投放方法
CN112376217B (zh) * 2020-01-02 2022-03-22 无锡小天鹅电器有限公司 洗衣机的投放装置及洗衣机
CN112376218B (zh) * 2020-01-02 2022-03-22 无锡小天鹅电器有限公司 洗衣机的投放装置及洗衣机
CN113308846B (zh) * 2020-02-26 2024-02-13 青岛海尔洗衣机有限公司 一种洗涤设备的控制方法及洗涤设备
CN113529340B (zh) * 2020-04-16 2024-01-19 青岛海尔洗衣机有限公司 一种洗衣机及其投放衣物处理剂的控制方法
JP2021171502A (ja) * 2020-04-28 2021-11-01 青島海爾洗衣机有限公司QingDao Haier Washing Machine Co., Ltd. 洗濯機
CN112575546B (zh) * 2020-12-25 2021-12-14 珠海格力电器股份有限公司 一种洗衣机自动投放系统、洗衣机及控制方法
CN113914075A (zh) * 2021-10-18 2022-01-11 无锡小天鹅电器有限公司 衣物处理设备及其自动投放控制方法、装置和存储介质

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US4932227A (en) * 1988-09-21 1990-06-12 Lever Brothers Company Apparatus and method for automatically injecting laundry treating chemicals into a commercial washing machine
US4981024A (en) * 1989-02-03 1991-01-01 Belco Equipment, Inc. Apparatus, system, and method for dispensing laundry chemicals
EP0403296A1 (fr) * 1989-06-16 1990-12-19 Diversey Corporation Dispositif et procédé pour la distribution de produits liquides à commande par microprocesseur
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Cited By (4)

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Publication number Priority date Publication date Assignee Title
GB2585510A (en) * 2017-10-23 2021-01-13 Selden Res Ltd A chemical dosing system
GB2585510B (en) * 2017-10-23 2021-06-30 Selden Res Ltd A chemical dosing system
EP3722487A1 (fr) * 2019-04-12 2020-10-14 LG Electronics Inc. -1- Lave-linge
US11624142B2 (en) 2019-04-12 2023-04-11 Lg Electronics Inc. Washing machine

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