CN111254654A

CN111254654A - Washing machine

Info

Publication number: CN111254654A
Application number: CN202010121062.3A
Authority: CN
Inventors: 薛威海; 刘玉春; 夏超; 陈藤; 刘振华
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-06-09

Abstract

The invention discloses a washing machine, and relates to the technical field of washing machines. The invention aims to solve the problem that the detection of the residual quantity of the detergent in the feeding box of the existing washing machine is troublesome. The washing machine includes: detergent dispensing device, it includes: the throwing box is provided with a throwing cavity and a first liquid outlet communicated with the throwing cavity; the liquid mixing box is provided with a liquid mixing cavity, a water inlet, a liquid inlet and a second liquid outlet which are communicated with the liquid mixing cavity, and the water inlet is communicated with a water inlet valve of the multi-drum washing machine; the connecting pipeline is connected between the second liquid outlet and the washing drum; the pumping port of the throwing pump is communicated with the first liquid outlet, and the discharge port is communicated with the liquid inlet; the residual warning unit is provided with a warning state; and the liquid level detection unit is used for sending out a warning signal when the liquid level in the feeding cavity is lower than a preset height value so as to enable the allowance warning unit to be in a warning state. The invention can be used for washing clothes.

Description

Washing machine

Technical Field

The invention relates to the technical field of washing machines, in particular to a washing machine.

Background

Along with the improvement of living standard of people, the washing machine becomes a necessary household appliance in the family of people, and the requirements of people on the performance and the convenience of the washing machine are higher and higher. In order to facilitate the dispensing of the detergent, an automatic detergent dispensing device is generally provided in the washing machine, which is capable of dispensing the detergent into the washing tub to be operated instead of manually.

The detergent putting device of the existing washing machine comprises a putting box with a putting cavity, wherein the putting cavity is communicated with a washing drum through a pipeline system, and detergents such as laundry detergent and the like are placed in the putting cavity. Above-mentioned washing machine puts device needs the manual work to observe the quantity that detects the detergent of putting in the box through putting in the mouth in putting in the chamber, and is more troublesome like this, has reduced user's use and has experienced.

Disclosure of Invention

The embodiment of the invention provides a washing machine, which is used for solving the problem that the detection of the residual quantity of detergent in a feeding box of the existing washing machine is troublesome.

To achieve the above object, an embodiment of the present invention provides a washing machine including: a box body; a washing drum arranged in the box body; a detergent dispensing device; the detergent dispensing device comprises: the feeding box is provided with a feeding cavity and a first liquid outlet communicated with the feeding cavity; the liquid mixing box is provided with a liquid mixing cavity, a water inlet, a liquid inlet and a second liquid outlet which are communicated with the liquid mixing cavity, and the water inlet is communicated with a water inlet valve of the washing machine; the connecting pipeline is connected between the second liquid outlet and the washing drum; the pumping port of the throwing pump is communicated with the first liquid outlet, and the discharge port of the throwing pump is communicated with the liquid inlet; the residual warning unit is provided with a warning state; and the liquid level detection unit is used for sending a warning signal when the liquid level in the feeding cavity is lower than a preset height value, so that the allowance warning unit is in the warning state.

According to the washing machine provided by the embodiment of the invention, the detergent feeding device further comprises the residual warning unit and the liquid level detection unit, so that when the liquid level of the detergent in the feeding cavity is lower than the preset height value, the liquid level detection unit sends a warning signal to enable the residual warning unit to be in a warning state to remind a user, the user can add the detergent into the feeding box according to the lifting state, the user does not need to see the residual amount of the detergent in an observation mode, the washing machine is very convenient, and the use experience of the user is favorably improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of a washing machine in accordance with some embodiments of the present invention;

FIG. 2 is a schematic structural view of the washing machine according to the embodiment of the present invention, after the trunk board of the trunk is removed;

fig. 3 is a schematic view of the connection between the detergent dispensing device and the washing drum according to the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a detergent dispensing device according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a drop box in an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be direct connection or indirect connection through other components, and can be connection outside the components or communication of the internal space of the components; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment of the present invention provides a washing machine, as shown in fig. 1 and 2, including: a case 100; a washing tub 200 provided in the cabinet 100; as shown in fig. 3 and 4, the detergent dispensing device 300 includes: the device comprises a throwing box 1, wherein the throwing box 1 is provided with a throwing cavity 11 and a first liquid outlet 12 communicated with the throwing cavity 11; the liquid mixing box 2 is provided with a liquid mixing cavity 21, a water inlet 22, a liquid inlet 23 and a second liquid outlet 24 which are communicated with the liquid mixing cavity 21, and the water inlet 22 is communicated with a water inlet valve 3 of the washing machine; the connecting pipeline 4 is connected between the second liquid outlet 24 and the washing drum 2; a feeding pump 5, wherein an extraction port 51 of the feeding pump 5 is communicated with the first liquid outlet 12, and a discharge port 52 is communicated with the liquid inlet 23; a margin warning unit (not shown in the figure) having a warning state; as shown in fig. 5, the liquid level detection unit 6 is configured to send a warning signal when the liquid level in the feeding chamber 11 is lower than a preset height value, so that the remaining amount warning unit is in a warning state.

As shown in fig. 3, when the detergent dispensing device 300 works, the water inlet valve 3 is opened, the dispensing pump 5 is started, the dispensing pump 5 pumps the detergent placed in the dispensing cavity 11 into the liquid mixing cavity 21 of the liquid mixing box 2 to mix with the water entering from the water inlet 22, and the mixed solution enters the washing drum 200 from the second liquid outlet 24 through the connecting pipeline 4 to complete the dispensing of the detergent.

As shown in fig. 5, in the washing machine provided by the embodiment of the present invention, since the detergent dispensing device 300 further includes the remaining amount warning unit and the liquid level detection unit 6, when the liquid level of the detergent in the dispensing chamber 11 is lower than the preset height value, the liquid level detection unit 6 sends a warning signal to enable the remaining amount warning unit to be in a warning state, so as to remind a user, the user can add the detergent into the dispensing box 1 according to the lifting, and the user does not need to view the remaining amount of the detergent by an observation manner, which is very convenient, and thus, the use experience of the user is improved.

The detergent may be a laundry detergent or a softener, and is not particularly limited herein. The liquid level detection unit 6 can be indirectly connected with the allowance warning unit through a control system, the liquid level detection unit 6 sends a warning signal to the control system, and the control system controls the allowance warning unit to be in a warning state; the liquid level detection unit 6 can also be directly connected with the residual warning unit, and the liquid level detection unit 6 sends a warning signal to the residual warning unit so as to enable the residual warning unit to be in a warning state. The allowance warning unit can be a warning lamp, and when the allowance warning unit is in a warning state, the warning lamp flickers to remind a user; the voice alarm can also be a voice alarm, and when the voice alarm is in an alarm state, the voice alarm reminds a user by sounding; the display panel can also be used for reminding a user by displaying text or image information when the display panel is in a warning state.

In the washing machine putting device, the structure of the liquid level detection unit 6 is not unique, for example, the liquid level detection unit 6 may have the following structure: as shown in fig. 5, the liquid level detection unit 6 includes: a float 61; a guide 62, the guide 62 being for guiding the movement of the float 61 in the vertical direction; a magnetic member 63 (for example, a permanent magnet), the magnetic member 63 being provided on the float 61; the magnetic sensitive switch 64 is used for enabling the magnetic sensitive switch 64 to act to send out a warning signal when the distance between the magnetic piece 63 and the magnetic sensitive switch 64 is smaller than a preset distance; wherein, when the distance between the magnetic member 63 and the magnetic sensitive switch 64 is equal to the preset distance, the liquid level in the feeding cavity 11 is equal to the preset height value.

When detergent exists in the feeding cavity 11, the floater 61 floats on the liquid level of the detergent, the liquid level gradually drops along with the use of the detergent, the floater 61 moves downwards under the guidance of the guide piece 62, the distance between the magnetic piece 63 and the magnetic sensitive switch 64 is reduced, and the magnetic force between the magnetic piece 63 and the magnetic sensitive switch 64 is gradually increased; when the distance between the magnetic member 63 and the magnetic sensitive switch 64 is smaller than the preset distance, the magnetic force between the magnetic member 63 and the magnetic sensitive switch 64 triggers the magnetic sensitive switch 64 to act, so as to send out a warning signal.

The structure of the guiding element 62 is not exclusive, for example, as shown in fig. 5, the guiding element 62 may be a guiding column, which is disposed at the bottom of the throwing cavity 11 and extends in the vertical direction; the float 61 is fitted over the guide post. In addition, the guiding element 62 may also be a guiding cylinder, and the guiding column is arranged at the bottom of the throwing cavity 11 and extends along the vertical direction; the bottom of the guide cylinder is provided with a communicating hole, and the floater 61 is arranged in the guide cylinder. Compared with a guide cylinder, when the guide piece 62 is a guide column, the installation of the float 61 is simpler and more convenient, and the float 61 is not easy to be blocked when moving up and down along the guide column.

The type of magnetically sensitive switch 64 is not exclusive and the magnetically sensitive switch 64 may be a reed switch (as shown in fig. 5). In addition, the magnetic sensitive switch 64 may be a hall sensor. Compared with a Hall sensor, the reed switch is small in size, does not need an external power supply and is low in energy consumption.

In addition to the structure of the liquid level detection unit 6 described above, the liquid level detection unit 6 may also have the following structure: the liquid level detection unit 6 includes: the cylindrical capacitor comprises an outer polar plate and an inner polar plate which are cylindrical, the outer polar plate is sleeved outside the inner polar plate at intervals, the cylindrical capacitor is vertically arranged in the putting cavity 11, the lower end of the cylindrical capacitor is communicated with the putting cavity 11, and detergent in the putting cavity 11 enters between the inner polar plate and the outer polar plate from the lower end of the cylindrical capacitor; the capacitance detection device is used for detecting the capacitance value between the inner pole plate and the outer pole plate of the cylindrical capacitor, the liquid level can gradually descend along with the use of detergent, the capacitance value detected by the capacitance detection device can be reduced, and when the detected capacitance value is smaller than a preset capacitance value, the capacitance detection device sends out a warning signal; the preset capacitance value is a capacitance value corresponding to the cylindrical capacitor when the liquid level in the feeding cavity 11 is a preset height value.

The washing machine provided by the embodiment of the invention can be a single-drum washing machine; in addition, the washing machine may be a multi-tub washing machine, and as shown in fig. 2, the washing tub 200 includes: a lower washing tub 210, the lower washing tub 210 being a drum type washing tub and being disposed in the cabinet 100; an upper washing tub 220, the upper washing tub 220 being disposed in the cabinet 100 and located above the lower washing tub 210; as shown in fig. 3, the connecting pipeline 4 includes a main pipeline 41 and a plurality of branch pipelines 42, a first end of the main pipeline 41 is connected to the second liquid outlet 24, a second end is respectively connected to the upper washing drum 220 and the lower washing drum 210 through the plurality of branch pipelines 42 in a one-to-one correspondence manner, and each branch pipeline 42 is provided with a control valve 7. When the detergent dispenser 300 is in operation, the control valve 7 on each branch pipe 42 is selectively opened and closed, and the mixed liquid of the detergent and the water in the liquid mixing box 2 can be distributed to the upper washing drum 220 and the lower washing drum 210 to be operated through the branch pipe 72. Compared with the single-drum washing machine, the multi-drum washing machine having the plurality of washing drums 200 can conveniently perform the classified washing of the laundry, for example, large laundry can be washed in the lower washing drum 210, and small laundry can be washed in the upper washing drum 220.

In order to increase the types of detergents to be put into the box 1, as shown in fig. 5, the putting cavity 11 includes a first putting cavity 111 and a second putting cavity 112 which are independent of each other, the first liquid outlet 12 includes a first sub-opening 121 and a second sub-opening 122, the first sub-opening 121 is communicated with the first putting cavity 111, the second sub-opening 122 is communicated with the second putting cavity 112, and both the first sub-opening 121 and the second sub-opening 122 are connected with the liquid inlet 23 of the liquid mixing box 2 through the putting pump 5. By providing a plurality of dosing chambers 11, it is possible to place various types of detergent in the dosing box 1, for example, laundry detergent in the first dosing chamber 111 and softener in the second dosing chamber 112.

Wherein, the number of the input pumps 5 can be set to two, one input pump 5 is connected between the first sub-port 121 and the liquid inlet 23 of the liquid mixing box 2, the other input pump 5 is connected between the second sub-port 122 and the liquid inlet 23 of the liquid mixing box 2, and the two input pumps 5 can respectively extract the detergent in the first input cavity 111 and the second input cavity 112. In addition, as shown in fig. 3, the dosing pump 5 may be provided with one, and the dosing pump 5 has two pumping ports 51, one pumping port 51 is communicated with the first sub-port 121, and the other pumping port 51 is communicated with the second sub-port 122. When the dispensing pump 5 rotates forward, the dispensing pump 5 pumps the detergent in the first dispensing cavity 111 into the liquid mixing box 2, and when the dispensing pump 5 rotates backward, the dispensing pump 5 pumps the detergent in the second dispensing cavity 112 into the liquid mixing box 2.

In order to detect the liquid levels in the first feeding cavity 111 and the second feeding cavity 112 respectively, as shown in fig. 5, the number of the liquid level detection units 6 is two, the warning signals include a first warning signal and a second warning signal, and one liquid level detection unit 6 is used for sending out the first warning signal when the liquid level in the first feeding cavity 111 is lower than a preset height value, so that the residual warning device is in a warning state; the other liquid level detecting unit 6 is configured to send a second warning signal when the liquid level in the second feeding chamber 112 is lower than the preset height value, so that the remaining amount warning device is in a warning state. Through setting up two liquid level detection unit 6, just can detect the liquid level in first input chamber 111, the second input chamber 112 respectively, the user can add corresponding detergent in first input chamber 111 or the second input chamber 112 through the warning of surplus warning device to guarantee the normal work that the device 300 was put in to the detergent.

In the dosing box 1, in order to distribute the storage of the two types of detergent reasonably, as shown in fig. 5, the volume of the first dosing chamber 111 is greater than the volume of the second dosing chamber 112. By this arrangement, more detergent (such as laundry detergent) can be added into the first dispensing chamber 111, and less detergent (such as softener) can be added into the second dispensing chamber 112, so that the storage amount of the two types of detergent can be reasonably distributed, and frequent addition of more detergent can be avoided.

In the washing machine provided by the embodiment of the present invention, the type of the upper washing drum 220 is not unique, for example, as shown in fig. 2, the upper washing drum 220 may be a pulsator type washing drum; in addition, the upper washing tub 220 may be a drum type washing tub. When the upper washing drum 220 is a pulsator washing drum, the washing machine has the advantages of saving electricity and time, adding clothes at any time and the like, and the advantages of water saving, small abrasion, high cleaning degree and the like, and is more convenient for users to wash in a classified manner.

In order to make the detergent dispenser 300 efficiently use the space inside the cabinet 100, as shown in fig. 1 and 2, an accommodating space 400 is provided between the upper washing tub 220 and the front sidewall 110 of the cabinet 100, and the dispenser box 1, the liquid mixing box 2, and the dispenser pump 5 are disposed in the accommodating space 400. Through such arrangement, the containing space 400 between the upper washing drum 220 and the front side wall 110 of the box body 100 can be fully utilized by the throwing box 1, the liquid mixing box 2 and the throwing pump 5, and no additional space is required to be arranged in the box body 100 to contain the throwing box 1, the liquid mixing box 2 and the throwing pump 5, so that the reduction of the volume of the box body 100 is facilitated.

In the washing machine provided by the embodiment of the present invention, the number of the upper washing drums 220 may be one, as shown in fig. 1 and 2, or two, two upper washing drums 220 are arranged side by side, and an accommodating space 400 is provided between the two upper washing drums 220 and the front sidewall 110 of the cabinet 100. When the number of the upper washing tub 220 is two, the number of the washing tub 200 is increased, which is more convenient for the user to separately wash.

In order to facilitate the dispensing pump 5 to pump the detergent in the dispensing box 1 into the liquid mixing box 2, as shown in fig. 2 and 4, the dispensing box 1 is located above the liquid mixing box 2. Thus, when the detergent in the feeding box 1 is pumped by the feeding pump 5, the potential energy of the feeding box 1 with higher position can be utilized, the detergent can be easily pumped into the liquid mixing box 2, and the power consumption of the feeding pump 5 can be reduced.

As shown in fig. 4, the dispensing pump 5 may be fixedly disposed on the liquid mixing box 2.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A washing machine comprising:

a box body;

a washing drum arranged in the box body;

a detergent dispensing device;

characterized in that, the detergent dispensing device includes:

the feeding box is provided with a feeding cavity and a first liquid outlet communicated with the feeding cavity;

the liquid mixing box is provided with a liquid mixing cavity, a water inlet, a liquid inlet and a second liquid outlet which are communicated with the liquid mixing cavity, and the water inlet is communicated with a water inlet valve of the washing machine;

the connecting pipeline is connected between the second liquid outlet and the washing drum;

the pumping port of the throwing pump is communicated with the first liquid outlet, and the discharge port of the throwing pump is communicated with the liquid inlet;

the residual warning unit is provided with a warning state;

and the liquid level detection unit is used for sending a warning signal when the liquid level in the feeding cavity is lower than a preset height value, so that the allowance warning unit is in the warning state.

2. The washing machine as claimed in claim 1,

the liquid level detection unit includes:

a float;

a guide for guiding movement of the float in a vertical direction;

the magnetic part is arranged on the floater;

the magnetic sensitive switch is used for acting to send out the warning signal when the distance between the magnetic piece and the magnetic sensitive switch is smaller than a preset distance;

when the distance between the magnetic piece and the magnetic sensitive switch is equal to the preset distance, the liquid level in the feeding cavity is equal to the preset height value.

3. The washing machine as claimed in claim 2, wherein the guide member is a guide post disposed at a bottom of the input chamber and extending in a vertical direction; the float is sleeved on the guide post.

4. A washing machine as claimed in claim 2 wherein the magnetically sensitive switch is a reed switch.

5. A washing machine according to any one of claims 1 to 4,

the washing drum includes:

the lower washing drum is a drum-type washing drum and is arranged in the box body;

the upper washing drum is arranged in the box body and is positioned above the lower washing drum;

the connecting pipeline comprises a main pipeline and a plurality of branch pipelines, the first end of the main pipeline is connected with the second liquid outlet, the second end of the main pipeline is respectively connected with the upper washing cylinder and the lower washing cylinder in a one-to-one correspondence mode through the plurality of branch pipelines, and each branch pipeline is provided with a control valve.

6. The washing machine as claimed in claim 5, wherein the throwing cavity comprises a first throwing cavity and a second throwing cavity which are independent from each other, the first liquid outlet comprises a first sub-port and a second sub-port, the first sub-port is communicated with the first throwing cavity, the second sub-port is communicated with the second throwing cavity, and the first sub-port and the second sub-port are both connected with the liquid inlet through the throwing pump;

the liquid level detection units are two in number, the warning signals comprise a first warning signal and a second warning signal, and one liquid level detection unit is used for sending the first warning signal when the liquid level in the first throwing cavity is lower than the preset height value so as to enable the allowance warning device to be in the warning state; and the other liquid level detection unit is used for sending a second warning signal when the liquid level in the second putting cavity is lower than the preset height value, so that the allowance warning device is in the warning state.

7. A washing machine as claimed in claim 6 wherein the first dosing chamber has a volume greater than the volume of the second dosing chamber.

8. The washing machine as claimed in claim 5, wherein the upper washing drum is a pulsator type washing drum, an accommodating space is provided between the upper washing drum and a front side wall of the cabinet, and the input box, the liquid mixing box and the input pump are all disposed in the accommodating space.

9. The washing machine as claimed in claim 8, wherein the number of the upper washing tub is two, two upper washing tubs are arranged side by side, and the receiving space is provided between the two upper washing tubs and the front sidewall of the cabinet.

10. A washing machine as claimed in any one of claims 1 to 4 wherein the dosing box is located above the mix box.