CN106835624A - Detergent feeding device and washing machine with same - Google Patents

Abstract

A detergent delivery device provided by the present invention includes a detergent storage bin and at least one detergent quantitative bin; the detergent storage bin is used to store detergent; the detergent quantitative bin is used to accommodate a preset amount of Detergent, the detergent quantitative bin is provided with a quantitative bin inlet and a quantitative bin outlet; the quantitative bin inlet is connected to the detergent storage bin, and the quantitative bin inlet is provided with a feed switch; the quantitative bin outlet is provided with There is a discharge switch. The above-mentioned detergent dispensing device, the detergent storage compartment is used to store detergent, and all detergent quantitative compartments introduce a preset amount of detergent through the quantitative compartment feed port, feed switch and detection device, and can discharge the detergent through the discharge switch. The detergent in the detergent quantitative chamber is used as the unit of measurement to inject detergent, so as to realize the precise quantitative injection of detergent.

Description

Detergent injection device and washing machine with same

technical field

The invention relates to the field of washing machine manufacturing, in particular to a detergent feeding device and a washing machine with the same.

Background technique

With the improvement of living standards and the quickening pace of life, fully automatic washing machines are more and more popular among users. Detergent dosing device Quantitative dosing technology is an indispensable technology for automatic washing machines to realize full automation. Traditional detergent dosing methods and control principles are varied and have different shapes.

Contents of the invention

Based on this, it is necessary to provide a detergent dosing device and a washing machine having the detergent dosing device in order to solve the problem that the detergent dosing device has a quantitative dosing function to realize automatic washing machine.

A detergent dispensing device provided by the present invention includes a detergent storage bin and at least one detergent quantitative bin;

The detergent storage bin is used for storing detergent;

The detergent quantitative bin is used to accommodate a preset amount of detergent, and the detergent quantitative bin is provided with a quantitative bin inlet and a quantitative bin outlet;

The inlet of the quantitative bin is connected with the detergent storage bin, and the inlet of the quantitative bin is provided with a feed switch;

The outlet of the quantitative bin is provided with a discharge switch.

In one of the embodiments, the detergent quantitative chamber further includes a detection device, and the detection device is used to detect the level of detergent in the detergent quantitative chamber.

In one of the embodiments, there are more than three detergent quantitative chambers.

In one of the embodiments, the detergent dispensing device includes a connecting piece, and the connecting piece is used to communicate with the quantitative bin inlet and the detergent storage bin;

The connectors include connecting main pipes and distribution branch pipes;

The connecting main pipe is respectively communicated with the detergent storage bin and the distribution branch pipe;

The number of the distribution branch pipes corresponds to the number of the quantitative detergent bins and are respectively connected with the quantitative detergent bins.

In one of the embodiments, the detergent dispensing device includes a connecting piece, and the connecting piece is used to communicate with the quantitative bin inlet and the detergent storage bin;

The connecting piece includes a connecting main pipe, a distribution pipe and a distribution branch pipe;

The connecting main pipe is respectively communicated with the detergent storage bin and the distribution branch pipe;

The distribution branch pipe is also in communication with the distribution pipe;

The distribution pipe is annular, and the distribution pipe communicates with all the detergent quantitative chambers.

In one of the embodiments, the detergent storage bin or the connecting main pipe is provided with an inverted tapered flow guide, and the detergent storage bin communicates with the connecting main pipe through the inverted tapered flow guide.

In one of the embodiments, the detergent dosing device also includes a discharge pipe, the discharge pipe includes a discharge main pipe and a discharge branch pipe, the discharge main pipe is provided with a detergent outlet, and all the detergents are quantitatively The quantitative bin outlet of the bin communicates with the outlet main pipe through the outlet branch pipe.

In one of the embodiments, a second detection device is arranged in the detergent storage compartment or the connection part, and the second detection device is used to detect the detergent level in the detergent storage compartment or the connection part.

In one embodiment, the detergent quantitative chamber includes a quantitative chamber body, the quantitative chamber inlet is opened on the top of the quantitative chamber body, and the quantitative chamber outlet is opened on the bottom of the quantitative chamber body.

In one of the embodiments, the feed switch is a solenoid valve.

In one of the embodiments, the discharge switch includes a piston, a spring and an electromagnet;

The piston has a first station for blocking the outlet of the quantitative chamber and a second station for avoiding the outlet of the quantitative chamber;

When the electromagnet is energized, the piston exerts a force to move from the first station to the second station, and the spring exerts a force to the piston to move from the second station to the first station. When the electromagnet is not energized, the spring maintains the piston at the first position, and when the electromagnet is energized, the electromagnet maintains the piston at the second position.

The present invention also provides a washing machine, wherein the washing machine includes the above-mentioned detergent injection device.

The above-mentioned detergent dispensing device, the detergent storage compartment is used to store detergent, and all detergent quantitative compartments introduce a preset amount of detergent through the quantitative compartment feed port, feed switch and detection device, and can discharge the detergent through the discharge switch. The detergent in the detergent quantitative chamber is used as the unit of measurement to inject detergent, so as to realize the precise quantitative injection of detergent.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is a perspective view of a preferred embodiment of the detergent delivery device of the present invention;

Fig. 2 is a perspective view of the detergent dispensing device shown in Fig. 1 viewed from another angle;

Fig. 3 is a perspective view of the detergent dispensing device shown in Fig. 1 viewed from another angle;

Fig. 4 is a front view of the detergent dispensing device shown in Fig. 1;

Fig. 5 is a schematic structural diagram of the detergent quantitative chamber of the detergent dispensing device shown in Fig. 1;

in,

100-detergent storage bin; 200-detergent quantitative bin; 211-quantitative bin body; 212-quantitative bin inlet; 213-piston; 214-electromagnet; 215-spring;

300-connector; 310-connecting main pipe; 311-inverted conical diversion; 320-distribution pipe; 330-distribution branch pipe;

400-discharge pipe; 410-discharge supervisor; 420-discharge branch pipe.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the detergent dispensing device of the present invention and the washing machine equipped with it will be further described in detail below through examples and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Referring to FIGS. 1 to 5 , the detergent dispensing device of the present invention includes a detergent storage bin 100 , a detergent quantitative bin 200 , a connecting piece 300 and a discharge pipe 400 .

The detergent storage bin 100 is used for storing detergent, and the shape of the detergent storage bin 100 can be adjusted as required, for example, it can be a rectangular parallelepiped or a cube. The top of the detergent storage bin 100 is provided with a storage bin inlet, and detergent can be stored into the detergent storage bin 100 through the storage bin inlet during use. The bottom of the detergent storage bin 100 is provided with a storage bin outlet. Specifically, the detergent may be a liquid detergent, a powder detergent or a capsule detergent, wherein a capsule detergent is a dissolvable capsule in which a certain amount of detergent is encapsulated, which can further improve the precise quantity of the detergent.

The detergent quantitative chamber 200 is used to accommodate a preset amount of detergent, and the detergent feeding device has at least one detergent quantitative chamber 200 . The detergent quantitative bin 200 has a quantitative bin body 211 whose volume is adjusted according to the preset amount of detergent. For example, the quantitative bin body 211 may be a hollow cylinder capable of holding 10g or 20g of detergent. The top of the quantitative bin body 211 is provided with a quantitative bin inlet 212, and the quantitative bin inlet 212 is provided with a feed switch; the bottom of the quantitative bin body 211 is provided with a quantitative bin outlet, and the quantitative bin outlet is provided with a discharge switch.

In the above-mentioned detergent dispensing device, the detergent storage bin 100 has pre-stored detergent, so there is no need to add detergent every time the laundry is done. The detergent quantitative bin 200 accommodates a preset amount of detergent, and the detergent quantitative bin 200 is used as a unit of measurement to inject detergent, so as to realize precise quantitative injection of detergent.

Preferably, the detergent delivery device includes multiple (greater than or equal to three) detergent quantitative bins 200 . During use, by controlling the number of opened discharge switches, the number of quantitative detergent chambers 200 that discharge detergent is adjusted, thereby adjusting the total amount of detergent to be put in.

Further, a detection device (not shown in the figure) is arranged in the quantitative chamber body 211 of the detergent quantitative chamber 200, and the detection device is preferably arranged at the inlet 212 of the quantitative chamber for detecting the amount of detergent in the quantitative chamber body 211. high. When the detergent in the quantitative bin body 211 reaches a preset height, that is, when the detergent reaches a preset amount, the feed switch is turned off.

As an optional implementation, the feed switch or the discharge switch may be a solenoid valve.

Please continue to refer to FIG. 5 , as an optional implementation, the discharge switch has a piston 213 , a spring 215 and an electromagnet 214 .

The piston 213 has a first station for blocking the outlet of the quantitative warehouse and a second station for avoiding the outlet of the quantitative warehouse; the spring 215 is arranged on one side of the piston 213 to apply its force to the piston 213 to move to the first station; the electromagnet 214 is arranged on one side of the piston 213 to apply force to the piston 213 to move to the second station. When the electromagnet 214 was not energized, the piston 213 was located at the first station under the action of the spring 215, that is, the outlet of the quantitative warehouse was blocked to avoid the discharge of detergent in the detergent quantitative warehouse 200; when the electromagnet 214 was energized, the electromagnetic The iron 214 generates attraction to the piston 213, so that the piston 213 moves from the first station to the second station, that is, the piston 213 is separated from the outlet of the quantitative chamber, and the detergent in the detergent quantitative chamber 200 can be smoothly quantified from the detergent. Discharge in the warehouse 200; When the electromagnet 214 was powered off, the attraction force of the electromagnet 214 to the piston 213 disappeared, and the piston 213 moved from the second station to the first station under the action of the spring 215 to block the outlet of the quantitative warehouse.

Further, the spring 215 and the electromagnet 214 can be located on the same side of the piston 213 , or can be located on opposite sides of the piston 213 . When the spring 215 and the electromagnet 214 are located on the same side of the piston 213 , the spring 215 exerts elastic force on the piston 213 ;

The detergent storage bin 100 can be directly connected with the detergent quantitative bin 200 . Specifically, the storage bin outlet of the detergent storage bin 100 is directly connected to the quantitative bin inlet 212 of the detergent quantitative bin 200 .

The detergent storage bin 100 and the quantitative detergent bin 200 may be connected through a connecting piece.

As an optional implementation, the connector 300 includes a connecting main pipe 310 and distribution branch pipes 330 having the same number as the detergent quantitative bin 200. The connecting main pipe 310 communicates with the detergent storage bin 100 and a plurality of distribution branch pipes 330 respectively. The branch pipe 300 is also in communication with a detergent quantitative chamber 200.

As an optional implementation manner, the detergent storage bin 100 communicates with the detergent quantitative bin 200 through a connecting piece 300 . The connector 300 has a connecting main pipe 310 and a distributing pipe 320 that communicate with each other. The connecting main pipe 310 is also in communication with the storage bin outlet of the detergent storage bin 100 , and the distribution pipe 320 is also in communication with the quantitative bin inlets 212 of all the detergent quantitative bins 200 . The connecting main pipe 310 introduces the detergent from the detergent storage bin 100 into the distribution pipe 320 , and divides the detergent into each quantitative detergent bin 200 in the distribution pipe 320 .

Further, as an optional implementation, the distribution pipe 320 is annular, and the annular distribution pipe 320 communicates with the connecting main pipe 310 through several distribution branch pipes 330 . The annular distribution pipe 320 can save the occupied space, and further connect the branch pipe and the annular distribution pipe 320 through the distribution branch pipe 330, which can improve the efficiency of the detergent in the detergent quantitative chamber 200 through the connecting main pipe 310 and the distribution pipe 320.

Further, as an optional implementation, the distribution branch pipe 330 is distributed in a tapered shape between the connecting main pipe 310 and the annular distribution pipe 320 .

Further, as an optional embodiment, the connection between the connecting main pipe 310 and the detergent storage bin 100 is provided with an inverted conical guide part 311 and is connected to the storage bin outlet of the detergent storage bin 100 through the conical guide part. . The inverted tapered flow guide part 311 facilitates the detergent to enter the connecting main pipe 310 through the outlet of the storage bin.

Further, as an optional embodiment, the bottom of the detergent storage bin 100 is provided with a conical flow guide, and the outlet of the storage bin is set at the center of the conical flow guide, which facilitates the detergent to enter the connecting main pipe 310 through the outlet of the storage bin. middle.

As an optional implementation manner, the connecting member 300 is an integral structure. Further, the connecting member 300 and the detergent storage bin 100 or the detergent quantitative bin 200 are also integrally structured.

As an optional implementation manner, the quantitative detergent bin 200 discharges quantitative detergent into the washing machine through the discharge pipe 400 . The discharge pipe 400 has a discharge main pipe 410 and a discharge branch pipe 420. Each discharge branch pipe 420 is correspondingly connected to a detergent quantitative bin 200. The discharge branch pipe 420 is also communicated with the discharge main pipe 410. The discharge main pipe 410 is provided with detergent. Export. The discharge branch pipe 420 merges the detergent in the detergent quantitative bin 200 into the discharge main pipe 410, and discharges it into the washing machine through the detergent outlet of the discharge pipe.

Further, as an optional implementation manner, the discharge branch pipe 420 is arranged in a tapered shape between the detergent quantitative bin 200 and the discharge main pipe 410 .

As an optional implementation, the detergent storage bin 100 or the connector 300 is provided with a second detection device, preferably, it is arranged in the connecting main pipe 310 of the connector 300, and the second detection device is used to detect the detergent storage bin. 100 or the detergent height in the connecting piece 300, when the detergent in the detergent storage bin 100 or the connecting piece 300 is lower than the preset height, the second detection device can transmit a signal to the control device of the washing machine, and the control device will give an alarm, Reminder to add detergent.

The present invention also provides a washing machine. The washing machine includes the above detergent dispensing device, an inner cylinder, and a control device. The detergent outlet of the detergent dispensing device is connected to the inner cylinder, and the detergent dispensing device is connected to the control device by signal.

Further, the working principle of the detergent injection device in the above-mentioned washing machine is as follows:

Add detergent to the detergent storage bin 100, start the washing machine, start the detergent feeding device, turn off the discharge switch, turn on the feed switch, and the detergent in the detergent storage bin 100 enters the detergent quantitative bin 200 through the connector 300, When the detection device of the detergent quantitative chamber 200 detects that the detergent in the corresponding detergent quantitative chamber 200 reaches a preset amount, the corresponding feed switch is turned off.

When the washing machine runs the laundry program, the laundry to be washed is weighed, the amount of detergent to be added is selected according to the weight of the laundry to be washed, and the discharge ports of the corresponding number of detergent quantitative bins 200 are opened to inject detergent; After the detergent in 200 is put in, the corresponding discharge switch is closed, the corresponding feed switch is opened, and the detergent in the detergent storage bin 100 is added into the detergent quantitative bin 200, when the detection device of the detergent quantitative bin 200 detects When the detergent in the corresponding quantitative detergent bin 200 reaches the preset amount, the corresponding feeding switch is turned off, and detergent is added to the quantitative detergent bin 200 for re-use.

Taking the connecting main pipe 310 of the connecting member 300 with the second detecting device as an example, when the second detecting device detects that the detergent in the connecting main pipe 310 is lower than the preset height, the second detecting device sends a signal to the control device of the washing machine, The control device gives an alarm to remind to add detergent.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

In the description of the present invention, the terms "first" and "second" are used for description purposes only, and cannot be understood as indicating or implying relative importance.

At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without any substantial change in the technical content.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (12)

1. A detergent putting device is characterized by comprising a detergent storage bin (100) and at least one detergent quantifying bin (200);

the detergent storage bin (100) is used for storing detergent;

the detergent quantifying bin (200) is used for containing a preset amount of detergent, and the detergent quantifying bin (200) is provided with a quantifying bin inlet (212) and a quantifying bin outlet;

the quantitative bin inlet (212) is communicated with the detergent storage bin (100), and the quantitative bin inlet (212) is provided with a feeding switch;

and a discharge switch is arranged at the outlet of the quantitative bin.

2. The detergent dispensing device according to claim 1, wherein the detergent dosing bin (200) further comprises a detection device for detecting the height of the detergent in the detergent dosing bin (200).

3. The detergent dispensing device according to claim 1, wherein the number of the detergent dosing bins (200) is three or more.

4. The detergent dispensing device according to claim 1, comprising a connection member (300), said connection member (300) being adapted to connect the dosing bin inlet (212) to the detergent storage bin (100);

the connecting piece (300) comprises a connecting main pipe (310) and a distributing branch pipe (330);

the main connecting pipe (310) is respectively communicated with the detergent storage bin (100) and the distribution branch pipe (330);

the number of the distribution branch pipes (330) corresponds to that of the detergent quantitative bins (200) and is respectively communicated with the detergent quantitative bins.

5. The detergent dispensing device according to claim 1, comprising a connection member (300), said connection member (300) being adapted to connect the dosing bin inlet (212) to the detergent storage bin (100);

the connecting piece (300) comprises a connecting main pipe (310), a distributing pipe (320) and a distributing branch pipe (330);

the main connecting pipe (310) is respectively communicated with the detergent storage bin (100) and the distribution branch pipe (330);

the distribution branch pipe (330) is also communicated with the distribution pipe (320);

the distribution pipe (320) is annular and is communicated with all the detergent quantifying bins (200).

6. The detergent dispensing device according to claim 4 or 5, wherein the detergent storage bin (100) or the connecting main pipe (310) is provided with an inverted cone-shaped guide part (311), and the detergent storage bin (100) and the connecting main pipe (310) are communicated through the inverted cone-shaped guide part (311).

7. The detergent dispensing device according to claim 4 or 5, further comprising a discharge pipe (400), wherein the discharge pipe (400) comprises a main discharge pipe (410) and a branch discharge pipe (420), the main discharge pipe (410) is provided with a detergent outlet, and the dosing bin outlets of all the detergent dosing bins (200) are communicated with the main discharge pipe (410) through the branch discharge pipe (420).

8. Detergent dispensing device as claimed in claim 4 or 5, characterized in that a second detection device is arranged in the detergent storage compartment (100) or the connection element (300) for detecting the detergent level in the detergent storage compartment (100) or the connection element (300).

9. The detergent dispensing device according to claim 1, wherein the detergent quantifying bin (200) comprises a quantifying bin body (211), the quantifying bin body (211) has a quantifying bin inlet (212) formed at a top thereof, and the quantifying bin body (211) has a quantifying bin outlet formed at a bottom thereof.

10. The detergent dispensing device of claim 1, wherein the feed switch is a solenoid valve.

11. Detergent dispensing device according to claim 1, wherein the outlet switch comprises a piston (213), a spring (215) and an electromagnet (214);

the piston (213) is provided with a first station for blocking the outlet of the quantitative bin and a second station for avoiding the outlet of the quantitative bin;

when the electromagnet (214) is electrified, acting force moving from the first station to the second station is applied to the piston (213), the spring (215) applies acting force moving from the second station to the first station to the piston (213), when the electromagnet (214) is not electrified, the spring maintains the piston (213) at the first station, and when the electromagnet (214) is electrified, the electromagnet (214) maintains the piston (213) at the second station.

12. A washing machine, characterized in that it comprises a detergent delivery device according to any one of claims 1 to 11.