CN109518425B - Detergent delivery system - Google Patents
Detergent delivery system Download PDFInfo
- Publication number
- CN109518425B CN109518425B CN201811486646.XA CN201811486646A CN109518425B CN 109518425 B CN109518425 B CN 109518425B CN 201811486646 A CN201811486646 A CN 201811486646A CN 109518425 B CN109518425 B CN 109518425B
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- China
- Prior art keywords
- water inlet
- negative pressure
- pressure pipe
- detergent
- liquid storage
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- 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.)
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Classifications
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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
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
Abstract
The invention provides a detergent delivery system, which is characterized in that: the automatic detergent adding device comprises a first water inlet valve, a second water inlet valve, a first negative pressure pipe, a second negative pressure pipe, a flow sensor, a first liquid storage box, a second liquid storage box, a first one-way valve and a second one-way valve, wherein the water inlet ends of the first water inlet valve and the second water inlet valve are respectively connected with two bypass water outlet pipes of a main water inlet path, the water inlet end of the main water inlet path is connected with a water inlet of a washing machine, one end of the first negative pressure pipe is connected with the water outlet end of the first water inlet valve, the other end of the first negative pressure pipe is respectively connected with the water inlet ends of the first liquid storage box and the first one-way valve, one end of the second negative pressure pipe is connected with the water outlet end of the second liquid storage box and the water inlet end of the second one-way valve, the other end of the second negative pressure pipe is respectively connected with the flow sensor, the negative pressure pipe is connected with the water inlet pipe, the detergent is sucked by the negative pressure pipe, and the flow sensor is used for metering and controlling the quantitative addition of the detergent.
Description
[ field of technology ]
The invention relates to the technical field of a detergent adding system of a washing machine, in particular to a detergent throwing system.
[ background Art ]
The conventional washing machine is provided with a washing machine and a washing agent adding device, and the washing machine is not provided with a washing agent adding device. With the improvement of the automation of washing machines, most washing machines are configured such that a detergent box in which a detergent or/and a softener is placed is communicated with a water inlet pipe, the detergent or/and the softener in the detergent box is flushed into a washing tub through water inlet, and chinese patent application No. 200610136059.9 discloses a detergent supply device of the washing machine having a detergent box of a siphon unit, in which the detergent is injected into the detergent box, and the detergent in the box is diluted by injecting wash water into the detergent box and then discharged from the siphon unit into the washing tub. The invention solves the problem that the concentrated detergent directly enters the washing tank to damage the washed articles, but cannot realize the accurate control of the automatic additive of the detergent and the full-automatic washing control process; the Chinese patent with application number 201310193446.6 discloses a washing machine capable of automatically adding additives and a method thereof, wherein the washing machine comprises a water inlet valve, a washing barrel and at least one container for containing the additives, a venturi tube capable of generating negative pressure through water flow is arranged in a washing water inlet waterway between the water inlet valve and the washing barrel, a liquid suction port communicated with the container and used for extracting the additives into the washing water inlet waterway by utilizing the negative pressure is arranged in a corresponding negative pressure area, and a metering device for detecting the adding amount of the additives and an additive control valve for controlling the on-off between the metering device and the container are arranged between the liquid suction port and the container. When the additive is put in, the washing water enters the washing barrel through the water inlet water channel, the additive in the container is pumped out by utilizing negative pressure generated when water flows through the venturi tube, and the additive enters the washing water inlet water channel through the liquid pumping port after being metered by the metering device and then is flushed into the washing barrel through the water inlet water channel. The invention utilizes the negative pressure generated by the water inflow to automatically throw in a certain amount of additive, thereby improving the accuracy of the throwing amount to a certain extent. But in actual use, it was found that, first: because the main component of the existing detergent has higher viscosity, the viscosity of the finished detergent is usually extremely high, and the metering device is extremely easy to damage after the detergent with high viscosity is directly sucked into the metering device; second,: the metering device is adopted to directly meter the high-viscosity detergent, so that the metering precision of the metering device is greatly reduced, and even the detergent cannot be metered; third,: the high-viscosity detergent is easy to be solidified in the conveying pipeline, so that the conveying pipeline is blocked; a detergent delivery system is therefore proposed.
[ invention ]
The invention aims to solve the problems in the prior art and provides a detergent delivery system, wherein a negative pressure pipe is used for sucking equal amount of mixed liquid of detergent and water, and a flow sensor is used for metering and controlling to realize quantitative addition of the detergent.
In order to achieve the above object, the present invention provides a detergent delivery system, which is disposed between a washing tub and a water inlet of a washing machine, and is characterized in that: the water inlet ends of the first water inlet valve and the second water inlet valve are respectively connected with two bypass water outlet pipes of a main water inlet path, the water inlet end of the main water inlet path is connected with a water inlet of a washing machine, one end of the first negative pressure pipe is connected with the water outlet end of the first water inlet valve, the other end of the first negative pressure pipe is respectively connected with the water inlet end of the first liquid storage box and the water inlet end of the first one-way valve, the water outlet end of the second negative pressure pipe is connected with the water inlet end of the second liquid storage box and the water outlet end of the second one-way valve, the other end of the second negative pressure pipe is respectively connected with the water inlet ends of the second liquid storage box and the second one-way valve, the water outlet ends of the first one-way valve and the second one-way valve are respectively communicated with a washing barrel of the washing machine, and the flow sensor is connected between the first negative pressure pipe and the second negative pressure pipe.
Preferably, the outlet end of the first liquid storage box is connected with a third one-way valve for preventing backflow, and the outlet end of the second liquid storage box is connected with a fourth one-way valve for preventing backflow.
Preferably, the first negative pressure pipe is connected with the first liquid storage box through a first liquid exchange channel, and the second negative pressure pipe is connected with the second liquid storage box through a second liquid exchange channel.
The invention has the beneficial effects that: according to the invention, through the cooperation of the first water inlet valve, the second water inlet valve, the first negative pressure pipe, the second negative pressure pipe, the flow sensor, the first liquid storage box, the second liquid storage box, the first one-way valve, the second one-way valve and the like, one of the water inlet valves is opened at first, and under the action of the negative pressure pipe, the detergent can be sucked into the liquid exchange channel and the water can be sucked out of the liquid exchange channel; the sucked water of the sucked detergent is equal in volume, and the sucked water flows through the flow sensor; the water quantity is equal to the quantity of the detergent, when the water quantity reaches the target, the other water inlet valve is opened, and the detergent is flushed out of the throwing system and into the washing barrel, so that the function of quantitatively adding the detergent is realized.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a detergent delivery system of the present invention;
FIG. 2 is a schematic diagram of a single water inlet state of a detergent delivery system according to the present invention;
FIG. 3 is a schematic diagram of a detergent delivery system according to the present invention for drawing liquid from a first reservoir;
FIG. 4 is a schematic illustration of the principle of flushing liquid in the first reservoir of a detergent delivery system according to the present invention;
FIG. 5 is a schematic diagram of the detergent delivery system according to the present invention for drawing liquid from the second reservoir;
FIG. 6 is a schematic diagram of the principle of flushing liquid in the second reservoir of a detergent delivery system according to the present invention;
FIG. 7 is a schematic view of the structure of an embodiment of a detergent delivery system of the present invention;
FIG. 8 is a schematic cross-sectional view of an embodiment A-A of a detergent delivery system of the present invention;
FIG. 9 is a schematic right-hand view of an embodiment of a detergent delivery system of the present invention;
FIG. 10 is a schematic view in section B-B of an embodiment of a detergent delivery system of the present invention;
FIG. 11 is a schematic view in section C-C of an embodiment of a detergent delivery system of the present invention.
[ detailed description ] of the invention
Referring to fig. 1 to 11, a detergent delivery system of the present invention is disposed between a tub and a water inlet of a washing machine, and is characterized in that: the water inlet ends of the first water inlet valve 1 and the second water inlet valve 2 are respectively connected with two side branch water outlet pipes 101 of a main water inlet path 10, the water inlet end of the main water inlet path 10 is connected with a water inlet of a washing machine, one end of the first negative pressure pipe 3 is connected with the water outlet end of the first water inlet valve 1, the other end of the first negative pressure pipe 3 is respectively connected with the water inlet ends of the first liquid storage box 6 and the first one-way valve 8, the water outlet end of one end of the second negative pressure pipe 4 is connected with the water outlet end of the second water inlet valve 2, the other end of the second negative pressure pipe 4 is respectively connected with the water inlet ends of the second liquid storage box 7 and the second one-way valve 9, the water outlet ends of the first one-way valve 8 and the second one-way valve 9 are respectively communicated with a washing barrel of the washing machine, and the flow sensor 5 is connected between the first negative pressure pipe 3 and the second negative pressure pipe 4. The outlet end of the first liquid storage box 6 is connected with a third check valve 61 for preventing backflow, and the outlet end of the second liquid storage box 7 is connected with a fourth check valve 71 for preventing backflow. The first negative pressure pipe 3 is connected with the first liquid storage box 6 through a first liquid exchange channel 60, and the second negative pressure pipe 4 is connected with the second liquid storage box 7 through a second liquid exchange channel 70.
The working process of the invention comprises the following steps:
the working principle of the detergent delivery system of the invention is as follows:
single water inlet: referring to fig. 2, the first water inlet valve 1 and the second water inlet valve 2 are simultaneously opened, at this time, the third check valve 61 and the fourth check valve 71 at the outlets of the two first liquid storage boxes 6 and the second liquid storage boxes 7 are closed, and the water is fed without detergent;
drawing the liquid in the first cartridge 6: referring to fig. 3, the second water inlet valve 2 is opened, and water flows through the second negative pressure pipe 4 to generate negative pressure; the first check valve 8 is closed, the third check valve 61 is opened, the detergent is sucked into the first liquid exchanging channel 60, and the water is sucked out of the first liquid exchanging channel 60; the sucked-in detergent and sucked-out water are of equal volume, and the sucked-out water passes through the flow sensor 5; metering the amount of water drawn is equal to the amount of detergent drawn;
flushing the liquid in the first cartridge 6: referring to fig. 4, when the amount of water drawn out measured by the flow sensor 5 reaches a target, the first water inlet valve 1 is opened, and at this time, the detergent is flushed out of the delivery system and into the washing tub;
drawing the liquid in the second reservoir 7: referring to fig. 5, the principle of drawing the liquid in the first liquid storage box is the same as that described above, except that: changing the opened water inlet valve from the second water inlet valve 2 to the first water inlet valve 1;
flushing the liquid in the second reservoir 7: referring to fig. 6, the same principle as the above-described flushing of the liquid in the first liquid storage tank is different in that: the opened inlet valve is changed from the first inlet valve 1 to the second inlet valve 2.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (2)
1. The utility model provides a detergent delivery system, locates between washing machine washtub and the water inlet, its characterized in that: the water inlet end of the first water inlet valve (1) and the water inlet end of the second water inlet valve (2) are respectively connected with two bypass water outlet pipes (101) of a main water inlet channel (10), the water inlet end of the main water inlet channel (10) is connected with a water inlet of a washing machine, one end of the first negative pressure pipe (3) is connected with the water outlet end of the first water inlet valve (1), the other end of the first negative pressure pipe (3) is respectively connected with the water inlet end of the first liquid storage box (6) and the water outlet end of the first one-way valve (8), one end of the second negative pressure pipe (4) is connected with the water outlet end of the second water inlet valve (2), the other end of the second negative pressure pipe (4) is respectively connected with the water inlet end of the second liquid storage box (7) and the water outlet end of the second one-way valve (9), the first negative pressure pipe (8) is respectively connected with the water inlet end of the first one-way valve (9), and the second negative pressure pipe (5) is respectively connected with the water outlet end of the washing machine; the outlet end of the first liquid storage box (6) is connected with a third one-way valve (61) for preventing backflow, and the outlet end of the second liquid storage box (7) is connected with a fourth one-way valve (71) for preventing backflow.
2. A detergent delivery system as claimed in claim 1, wherein: the first negative pressure pipe (3) is connected with the first liquid storage box (6) through a first liquid exchange channel (60), and the second negative pressure pipe (4) is connected with the second liquid storage box (7) through a second liquid exchange channel (70).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486646.XA CN109518425B (en) | 2018-12-06 | 2018-12-06 | Detergent delivery system |
| PCT/CN2019/094811 WO2020113954A1 (en) | 2018-12-06 | 2019-07-05 | Detergent dispensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811486646.XA CN109518425B (en) | 2018-12-06 | 2018-12-06 | Detergent delivery system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109518425A CN109518425A (en) | 2019-03-26 |
| CN109518425B true CN109518425B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811486646.XA Active CN109518425B (en) | 2018-12-06 | 2018-12-06 | Detergent delivery system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109518425B (en) |
| WO (1) | WO2020113954A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242546A1 (en) * | 2018-06-21 | 2019-12-26 | 青岛海尔滚筒洗衣机有限公司 | Automatic dispensing device and control method thereof, and multi-drum washing machine |
| CN109518425B (en) * | 2018-12-06 | 2023-10-20 | 杭州神林电子有限公司 | Detergent delivery system |
| CN109820463B (en) * | 2019-03-28 | 2021-07-06 | 佛山市百斯特电器科技有限公司 | Water inlet control method and dish washing machine |
| CN110130059B (en) * | 2019-05-17 | 2024-01-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Detergent dispensing device |
| CN116926861A (en) * | 2022-03-31 | 2023-10-24 | 青岛海尔洗衣机有限公司 | Automatic additive feeding device and washing machine control method |
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- 2018-12-06 CN CN201811486646.XA patent/CN109518425B/en active Active
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- 2019-07-05 WO PCT/CN2019/094811 patent/WO2020113954A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020113954A1 (en) | 2020-06-11 |
| CN109518425A (en) | 2019-03-26 |
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