CN118223231A

CN118223231A - Laundry apparatus and laundry apparatus control method

Info

Publication number: CN118223231A
Application number: CN202211633565.4A
Authority: CN
Inventors: 姬生园; 李璞璐; 尹冠群; 赵登飞; 杨龙
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2024-06-21
Also published as: WO2024131416A1

Abstract

The invention belongs to the technical field of household appliances, and particularly relates to a washing device and a control method of the washing device. The invention aims to solve the problems of potential safety hazard and influence on the use effect caused by blockage of a drainage path of washing equipment. The invention provides a laundry device which comprises a box body and a detection control component, wherein the detection control component comprises a water level sensor, the water level sensor is arranged on the box body and is spaced from the ground where the laundry device is positioned, the water level sensor is configured to send out a trigger signal when detecting that the water level at the position where the water level sensor is positioned rises to a preset water level value, and the detection control component is configured to control the working state of the laundry device according to the trigger signal. The invention has higher safety.

Description

Laundry apparatus and laundry apparatus control method

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a washing device and a control method of the washing device.

Background

With the continuous improvement of life of people, the high requirements on the life quality are gradually increased, and the use demands of people on various household appliances are also increased, wherein, the washing machine is an appliance for washing clothes by utilizing the mechanical action of electric energy, and is widely used.

At present, the washing machine comprises a box body, an outer barrel, an inner barrel and a drain pipe, wherein the inner barrel is rotatable relative to the outer barrel, the outer barrel and the inner barrel are both positioned in the box body, the inner barrel is used for washing clothes, and the drain pipe is connected with a sewer floor drain or a pipeline, so that the washing machine is convenient to drain.

However, when the washing machine works and the floor drain or the pipeline is blocked, at this time, the water discharged by the washing machine can be discharged through the floor drain or the pipeline in time, and can only be discharged to the outside of the washing machine, so that potential safety hazards of a circuit are easily caused, larger loss can be further brought to a user, and user experience is reduced.

Disclosure of Invention

In order to solve the problems in the prior art, namely to solve the problems of potential safety hazard and further influence on the use effect caused by blockage of a drainage path of the washing equipment. The first aspect of the invention provides a laundry device, comprising a box body and a detection control component, wherein the detection control component comprises a water level sensor, the water level sensor is arranged on the box body and is spaced from the ground where the laundry device is positioned, the water level sensor is configured to send out a trigger signal when detecting that the water level at the position where the water level sensor is positioned rises to a preset water level value, and the detection control component is configured to control the working state of the laundry device according to the trigger signal.

In the preferred technical scheme of the washing equipment, the box body is provided with a base, and the detection control assembly is detachably connected to the base.

In the preferred technical scheme of the washing equipment, the washing equipment further comprises a mounting assembly, wherein the mounting assembly comprises a first mounting piece and a second mounting piece which are connected with each other, the water level sensor is mounted on the first mounting piece, the box body is provided with a connecting plate, and the first mounting piece and the second mounting piece are clamped on two opposite sides of the connecting plate.

In the preferred technical scheme of the washing equipment, the connecting plate is provided with a notch, and the first mounting piece and the second mounting piece are clamped in the notch.

In the preferred technical solution of the above laundry device, the mounting assembly further includes an elastic member, and opposite ends of the elastic member are connected to ends of the first mounting member and the second mounting member, respectively.

In a preferred embodiment of the above laundry device, the elastic member is a spiral spring.

In the preferred technical scheme of the washing equipment, the detection control assembly further comprises a controller, the controller is electrically connected with the water level sensor, and the controller controls the working state of the washing equipment according to the trigger signal.

In the preferred technical scheme of the washing device, the water level sensor is a float water level sensor.

In a second aspect, the present invention provides a laundry appliance control method for the laundry appliance described above, the method comprising the steps of:

Receiving a trigger signal sent by a water level sensor, wherein the trigger signal is sent when the water level at the position of the water level sensor rises to a preset water level value, and the water level sensor is arranged on a box body and has a distance from the ground where the washing equipment is positioned;

and controlling the working state of the washing equipment according to the trigger signal.

In the preferred technical scheme of the control method of the laundry equipment, the control method of the laundry equipment according to the trigger signal specifically comprises the following steps:

And after receiving the two trigger signals, controlling the washing equipment to stop working, wherein the two trigger signals are separated by at least a first time period.

As will be appreciated by those skilled in the art, the present invention provides a laundry device and a laundry device control method, the method comprising: receiving a trigger signal sent by a water level sensor, wherein the trigger signal is sent when the water level at the position of the water level sensor rises to a preset water level value, and the water level sensor is arranged on a box body and has a distance from the ground where the washing equipment is positioned; and controlling the working state of the washing equipment according to the trigger signal. The washing equipment comprises a box body and a detection control assembly, the detection control assembly comprises a water level sensor, the water level sensor is arranged on the box body and is spaced from the ground where the washing equipment is located, the water level sensor is configured to send out a trigger signal when detecting that the water level at the position where the water level sensor is located rises to a preset water level value, and the detection control assembly is configured to control the working state of the washing equipment according to the trigger signal.

Through the setting, namely, through detecting the control assembly, can detect the water level information of detection control assembly position constantly, when the water level risees to preset water level value, send trigger signal according to this water level information, means that water has reached the height that detection control assembly is located, and at this moment, control assembly control laundry equipment stop work. The problems that when a sewer floor drain or a pipeline connected with the washing equipment is blocked, no part of water discharged by the washing equipment is discharged in time and can only be discharged to the outer side, potential safety hazards of a circuit are caused by the water discharged by the washing equipment, and the washing equipment is damaged and a user room is damaged are avoided. The application can improve the safety and further improve the user experience.

Drawings

Preferred embodiments of the laundry appliance and the control method of the laundry appliance according to the present invention are described below with reference to the accompanying drawings. The attached drawings are as follows:

Fig. 1 is a schematic structural view of a laundry apparatus according to an embodiment of the present application;

fig. 2 is a schematic structural view of a first state of a mounting assembly in a laundry apparatus according to an embodiment of the present application;

fig. 3 is a schematic structural view of a second state of a mounting assembly in a laundry apparatus according to an embodiment of the present application;

Fig. 4 is a cross-sectional view illustrating a first state of a mounting assembly in a laundry appliance according to an embodiment of the present application;

fig. 5 is a schematic structural view of a connection plate in a laundry device according to an embodiment of the present application;

Fig. 6 is a flowchart of a control method of a laundry device according to an embodiment of the present application.

Reference numerals illustrate:

100-a laundry appliance;

110-a box body;

111-a base;

112-connecting plates;

1121-notch;

120-a detection control component;

121-a water level sensor;

122-a controller;

130-mounting an assembly;

131-a first mount;

132-a second mount;

133-elastic member.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can adapt it as desired to suit a particular application.

Further, it should be noted that, in the description of the present invention, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or component must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two components. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

At present, the washing machine comprises a box body, an outer barrel, an inner barrel and a drain pipe, wherein the inner barrel is rotatable relative to the outer barrel, the outer barrel and the inner barrel are both positioned in the box body, the inner barrel is used for washing clothes, and the drain pipe is connected with a sewer floor drain or a pipeline, so that the washing machine is convenient to drain. However, when the washing machine works and the floor drain or the pipeline is blocked, at this time, the water discharged by the washing machine can be discharged through the floor drain or the pipeline in time, and can only be discharged to the outside of the washing machine, so that potential safety hazards of a circuit are easily caused, larger loss can be further brought to a user, and user experience is reduced.

In order to solve the problems, the application provides a washing device and a control method of the washing device, wherein the water level information of the position of the detection control component can be detected at any time through the detection control component, when the water level rises to a preset water level value, a trigger signal is sent out according to the water level information, which means that water reaches the height of the detection control component, and at the moment, the control component controls the washing device to stop working. The problems that when a sewer floor drain or a pipeline connected with the washing equipment is blocked, no part of water discharged by the washing equipment is discharged in time and can only be discharged to the outer side, potential safety hazards of a circuit are caused by the water discharged by the washing equipment, and the washing equipment is damaged and a user room is damaged are avoided. The application can improve the safety and further improve the user experience.

Preferred embodiments of the laundry device and the control method of the laundry device according to the present invention will be described with reference to the accompanying drawings.

Example 1

Fig. 1 is a schematic structural view of a laundry device according to an embodiment of the present application. As shown in fig. 1, an embodiment of the present application provides a laundry device 100, including a case 110 and a detection control assembly 120, wherein the detection control assembly 120 includes a water level sensor 121, the water level sensor 121 is disposed on the case 110 and has a distance from the ground where the laundry device 100 is located, the water level sensor 121 is configured to send a trigger signal when detecting that the water level at the position where the water level sensor 121 is located rises to a preset water level value, and the detection control assembly 120 is configured to control the operating state of the laundry device 100 according to the trigger signal.

It should be noted that, the laundry device 100 provided in the embodiment of the present application may be a drum-type laundry device, or a pulsator-type laundry device, or any other laundry device 100, and in particular, the embodiment of the present application is not limited herein too.

In addition, for convenience of explanation, the laundry apparatus 100 according to the embodiment of the present application will be described by taking an pulsator washing machine as an example.

In some examples, the cabinet 110 includes an inner tub and an outer tub, the inner tub being disposed within the outer tub, the inner tub for delivering clothing.

In some examples, the housing 110 may be a metal piece, the material of which may include one or more of copper, iron, aluminum, tin, and lead. The material of the casting mold may be one of sand, metal or ceramic.

In other examples, the housing 110 may be a plastic material. And (3) injecting molten plastic into a plastic product mold by pressure during injection molding, and cooling and molding to obtain the required plastic part.

The injection molding process may be performed by a mechanical injection molding machine, and the material of the case 110 may include one or more of polyethylene, polypropylene, ABS (terpolymer of three monomers of acrylonitrile (a), butadiene (B), and styrene (S)), polyamide, and polystyrene.

It should be noted that, regarding the material of the case 110, the embodiments of the present application are not limited in this way.

Of course, in the production and manufacture, the case 110 may be made of steel plate, plastic or synthetic material under the premise of ensuring the strength.

In addition, the shape of the case 110 is not limited in this embodiment, for example: the case 110 may have a regular shape such as a rectangular parallelepiped shape or a cylindrical shape, and of course, the case 110 may have other irregular shapes.

Accordingly, in some examples, the material of the outer cylinder may be the same as or different from the material of the case 110, and in particular, embodiments of the present application are not limited thereto.

Illustratively, the outer barrel may be a metallic piece, the material of which may include one or more of copper, iron, aluminum, tin, lead. The material of the casting mold may be one of sand, metal or ceramic.

In other examples, the outer barrel may be a plastic material.

The material of the outer cylinder is not limited in this embodiment.

Of course, during production and manufacture, the outer cylinder can be made of steel plates, plastics or synthetic materials on the premise of ensuring the strength.

In addition, the shape of the inner cylinder is not limited in this embodiment, for example: the inner cylinder can be in a rectangular parallelepiped, cylindrical or other regular shape, and of course, the inner cylinder can also be in other irregular shapes.

Accordingly, in some examples, the material of the inner barrel may be the same as or different from the material of the outer barrel, and embodiments of the present application are not limited in this respect.

Illustratively, the inner barrel may be a metallic piece, the material of which may include one or more of copper, iron, aluminum, tin, lead.

In other examples, the inner barrel may be a plastic material.

It should be noted that, regarding the material of the inner cylinder specifically, the embodiments of the present application are not limited herein too much.

Of course, during production and manufacture, the inner cylinder can be made of steel plates, plastics or synthetic materials on the premise of ensuring the strength.

It should be noted that, the distance between the water level sensor 121 and the ground where the laundry apparatus 100 is located, and the specific value of the distance may be adjusted according to the actual situation, which is not limited in this embodiment of the present application.

Wherein, the trigger signal may refer to a water pressure signal, and the detection control assembly 120 may control whether the laundry device 100 continues to operate according to the signal.

Through the above arrangement, by adding the detection control component 120, the water level information of the position of the detection control component 120 can be detected at any time, when the water level rises to the preset water level value, a trigger signal is sent according to the water level information, which means that the water has reached the height of the detection control component 120, and at this time, the control component controls the laundry device 100 to stop working. The problems that when a sewer drain or a pipeline connected with the washing equipment 100 is blocked, water discharged by the washing equipment 100 is discharged in time without any place and can only be discharged to the outside, potential safety hazards of a circuit are caused by the water discharged by the washing equipment 100, and the washing equipment 100 is damaged and a user room is damaged can be avoided. The application can improve the safety and further improve the user experience.

In some alternative embodiments, the housing 110 has a base 111, and the detection control assembly 120 is removably coupled to the base 111.

It will be appreciated that the base 111 is disposed at the bottom end of the housing 110, and the base 111 contacts the ground.

In some examples, the detection control assembly 120 may be connected to the base 111 by a detachable connection or a fixed connection. Such as by bolts, snaps, or hanging connections. In particular, embodiments of the present application are not limited in this regard.

It can be appreciated by those skilled in the art that the detection control assembly 120 and the base 111 are detachably connected, so that the detection control assembly 120 can be mounted and dismounted, and the detection control assembly 120 is convenient to use and maintain.

In other embodiments, the detection control assembly 120 and the base 111 may be connected by other connection methods, so long as the purpose of this embodiment can be achieved by the connection method that the detection control assembly 120 and the base 111 are fixedly connected, and the connection method of the detection control assembly 120 and the base 111 is not limited.

Fig. 2 is a schematic structural view of a first state of an installation assembly in a laundry apparatus according to an embodiment of the present application, fig. 3 is a schematic structural view of a second state of an installation assembly in a laundry apparatus according to an embodiment of the present application, and fig. 4 is a cross-sectional view of a first state of an installation assembly in a laundry apparatus according to an embodiment of the present application.

As shown in fig. 1 to 4, in some alternative embodiments, the laundry apparatus 100 further includes a mounting assembly 130, the mounting assembly 130 including a first mounting member 131 and a second mounting member 132 connected to each other, the water level sensor 121 is mounted on the first mounting member 131, the cabinet 110 has a connection plate 112, and the first mounting member 131 and the second mounting member 132 are engaged at opposite sides of the connection plate 112.

In some examples, the water level sensor 121 and the first mounting member 131 may be connected by a detachable connection or a fixed connection. Such as by bolts, snaps, or hanging connections. In particular, embodiments of the present application are not limited in this regard.

It should be noted that, a connecting plate 112 is provided on one side of the base 111 in the case 110, and the first mounting member 131 and the second mounting member 132 are mutually matched to be engaged on opposite sides of the connecting plate 112, so that the water level sensor 121 is mounted on the base 111 in the case 110.

The material of the connection plate 112 may be the same as or different from that of the case 110, and in particular, embodiments of the present application are not limited herein.

By way of example, the connection plate 112 may be a metal piece, the material of which may include one or more of copper, iron, aluminum, tin, lead.

Of course, the connection plate 112 may also be made of plastic.

It should be noted that, regarding the material of the connection board 112, embodiments of the present application are not limited in this regard.

In addition, in some examples, the structures of the first mounting member 131 and the second mounting member 132 may be the same or different, and in particular, the embodiments of the present application may be adjusted according to practical situations, which are not limited herein.

In addition, in some examples, regarding the materials of the first mounting member 131 and the second mounting member 132, specifically, the embodiments of the present application may be adjusted according to practical situations, which is not limited herein.

Fig. 5 is a schematic structural view of a connection plate in a laundry device according to an embodiment of the present application. As shown in fig. 1-5, in some alternative embodiments, the connection plate 112 has a notch 1121, and the first mounting member 131 and the second mounting member 132 each engage with the notch 1121.

It will be appreciated that the design of the notch 1121 facilitates the engagement of the first mounting member 131 and the second mounting member 132, and improves the external appearance of the laundry apparatus 100.

In some examples, the size, and shape of the notch 1121 are not too limited herein.

Illustratively, the cross-section of the notch 1121 may be any shape, such as square, oval, trapezoid, etc., which is not particularly limited in this embodiment of the present application.

Of course, the size and dimensions of the notch 1121 are matched with the shape of the first and second mounting members 131 and 132 to enhance the stability of the mounting.

As shown in fig. 1 to 5, in some alternative embodiments, the mounting assembly 130 further includes an elastic member 133, and opposite ends of the elastic member 133 are connected to ends of the first and second mounting members 131 and 132, respectively.

It can be appreciated that the design of the elastic member 133 can utilize the elastic force and the resilience force of the elastic member 133 to improve the engagement between the first mounting member 131 and the second mounting member 132 on the connecting plate 112.

Specifically, when the mounting assembly 130 is mounted, firstly, the user pulls the second mounting member 132 upwards to separate the second mounting member 132 from the first mounting member 131, at this time, a gap is formed between the second mounting member 132 and the first mounting member 131, and then the gap is abutted against the notch 1121 of the connecting plate 112 or the edge to be mounted, at this time, the elastic member 133 is in a stretched state and has a rebound force, and under the action of the rebound force of the elastic member 133, the first mounting member 131 and the second mounting member 132 are clamped on the connecting plate 112.

In some alternative embodiments, as shown in fig. 1-5, the resilient member 133 is a spiral spring.

It is understood that the elastic member 133 is a spiral spring.

Specifically, the scroll spring is approximately circular by the hollow piece spring scroll, and a mounting hole is formed in the center of the scroll spring for the shaft core to penetrate.

As shown in fig. 1 to 5, in some alternative embodiments, the detection control assembly 120 further includes a controller 122, the controller 122 is electrically connected to the water level sensor 121, and the controller 122 controls the operation state of the laundry device 100 according to the trigger signal.

It is appreciated that in this embodiment, the controller 122 may be an electronic control unit (Electronic Control Unit, ECU).

In some alternative embodiments, the water level sensor 121 is a float water level sensor 121.

It will be appreciated that the float level sensor 121 generally comprises a float and a sensor, the float may be provided as a float ball, the float and sensor being integrated together, the float also rising gradually as the water level rises, and when the water level reaches a certain level, water level information is transferred to the controller 122.

The sensor sends out different electric signals in the water or water-free state, and the controller 122 receives the induction signals and can control the internal circuit.

The embodiment of the application provides laundry equipment, which comprises a box body and a detection control component, wherein the detection control component comprises a water level sensor, the water level sensor is arranged on the box body and is spaced from the ground where the laundry equipment is positioned, the water level sensor is configured to send out a trigger signal when detecting that the water level at the position where the water level sensor is positioned rises to a preset water level value, and the detection control component is configured to control the working state of the laundry equipment according to the trigger signal.

Through detecting control assembly, can detect the water level information that detects control assembly position constantly, when the water level risees to preset water level value, send trigger signal according to this water level information, means that water has reached the height that detects control assembly position, and at this moment, control assembly control laundry equipment stop work. The problems that when a sewer floor drain or a pipeline connected with the washing equipment is blocked, no part of water discharged by the washing equipment is discharged in time and can only be discharged to the outer side, potential safety hazards of a circuit are caused by the water discharged by the washing equipment, and the washing equipment is damaged and a user room is damaged are avoided. The application can improve the safety and further improve the user experience.

Example two

Fig. 6 is a schematic flow chart of a control method of a laundry device according to an embodiment of the present application, as shown in fig. 1 to 6, and the embodiment of the present application provides a control method of a laundry device, for use in the above-mentioned laundry device 100, including the following steps:

S101, receiving a trigger signal sent by a water level sensor 121, wherein the trigger signal is sent when the water level at the position of the water level sensor 121 rises to a preset water level value, and the water level sensor 121 is arranged on the box body 110 and has a distance from the ground where the laundry equipment 100 is located.

It is understood that the controller 122 receives a trigger signal from the water level sensor 121. In addition, the trigger signal may refer to a hydraulic pressure signal.

S102, controlling the working state of the washing equipment according to the trigger signal.

It will be appreciated that the controller 122 may control the laundry apparatus 100 to continue operation or stop operation according to the trigger signal received from the water level sensor 121.

In some alternative embodiments, the operating state of the laundry device is controlled according to the trigger signal, specifically including:

After receiving the two trigger signals, the laundry device 100 is controlled to stop working, wherein the two trigger signals are separated by at least a first time period.

It will be appreciated that, when the controller 122 receives the trigger signal sent by the water level sensor 121 for the first time, in order to prevent erroneous determination, the water level sensor 121 will make a second determination in a short time, and if the second determination is made, the controller 122 cannot send the second trigger signal, and at this time, the controller 122 does not need to control the laundry device 100 to stop working.

If the water level sensor 121 can send out the second trigger signal when the second judgment is made, the controller 122 controls the laundry apparatus 100 to stop working.

In addition, the controller 122 may also control the laundry device 100 to shut off the drain system, alerting the user.

It should be noted that, the first duration may be within a range of 15 seconds to 60 seconds, and specifically, the numerical value may be adjusted correspondingly according to the actual situation, which is not limited in this embodiment of the present application.

The embodiment of the application provides a control method of laundry equipment, which comprises the following steps: receiving a trigger signal sent by a water level sensor, wherein the trigger signal is sent when the water level at the position of the water level sensor rises to a preset water level value, and the water level sensor is arranged on a box body and has a distance from the ground where the washing equipment is positioned; and controlling the working state of the washing equipment according to the trigger signal.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims

1. The utility model provides a laundry equipment, its characterized in that includes box and detection control subassembly, detection control subassembly includes level sensor, level sensor sets up on the box, and have the interval with the ground that laundry equipment is located between, level sensor is configured to detect when the water level of the position that level sensor is located rises to the preset water level value, detection control subassembly is configured to according to the trigger signal control laundry equipment's operating condition.

2. The laundry appliance of claim 1, wherein the cabinet has a base, and the detection control assembly is removably attached to the base.

3. A laundry appliance according to claim 1 or 2, further comprising a mounting assembly comprising first and second mounting members connected to each other, the water level sensor being mounted on the first mounting member, the cabinet having a connecting plate, the first and second mounting members being snap-fitted on opposite sides of the connecting plate.

4. A laundry appliance according to claim 3, wherein the connecting plate has a notch, the first and second mounting members each being snap-fit to the notch.

5. The laundry appliance of claim 4, wherein the mounting assembly further comprises a resilient member having opposite ends connected to the ends of the first and second mounting members, respectively.

6. The laundry appliance of claim 5, wherein the resilient member is a spiral spring.

7. The laundry appliance of claim 1 or 2, wherein the detection control assembly further comprises a controller electrically connected to the water level sensor, the controller controlling the operating state of the laundry appliance according to the trigger signal.

8. The laundry appliance of claim 7, wherein the water level sensor is a float water level sensor.

9. A laundry appliance control method for a laundry appliance as claimed in any one of claims 1 to 8, the method comprising the steps of:

receiving a trigger signal sent by a water level sensor, wherein the trigger signal is sent when the water level at the position of the water level sensor rises to a preset water level value, and the water level sensor is arranged on the box body and has a distance from the ground where the washing equipment is positioned;

10. The method for controlling a laundry appliance according to claim 9, wherein the controlling the operation state of the laundry appliance according to the trigger signal comprises:

and after receiving the trigger signals for two times, controlling the washing equipment to stop working, wherein the trigger signals for two times are separated by at least a first time length.