CN215887586U - Washing machine - Google Patents

Abstract

The utility model discloses a washing machine, comprising: an inner tub for independently containing washing water when washing clothes; the outer cylinder is coaxially arranged outside the inner cylinder; the power supply module comprises a wireless power supply transmitting module arranged on the front flange of the outer barrel and a wireless power supply receiving module correspondingly arranged on the front flange of the inner barrel. According to the utility model, the wireless power supply transmitting module and the wireless power supply receiving module are arranged on the front flanges of the inner cylinder and the outer cylinder, so that the phenomenon of electromagnetic interference caused by metal parts at the cylinder bottoms when the wireless power supply transmitting module and the wireless power supply receiving module are arranged at the cylinder bottoms of the inner cylinder and the outer cylinder can be avoided, the problem that the washing capacity of the washing machine is limited due to the fact that the wireless power supply transmitting module and the wireless power supply receiving module are arranged on the peripheral walls of the inner cylinder and the outer cylinder can be avoided, and the washing capacity of the washing machine and the power supply efficiency and reliability of the power supply module are effectively improved.

Description

Washing machine

Technical Field

The utility model belongs to the technical field of clothes treatment equipment, and particularly relates to a washing machine.

Background

With the continuous improvement of the pursuit of people for healthy life, the nonporous inner barrel washing machine is popular with consumers because of the advantages of difficult accumulation of dirt and scale, bacteria breeding, water saving and the like between the inner barrel and the outer barrel. However, since there is no more washing water between the inner and outer drums when the washing machine with the non-porous inner drum washes laundry, the conventional method of obtaining the temperature and/or water level and/or water quality information of the washing water in the inner drum by the washing water detecting device provided on the outer drum for detecting the temperature and/or water level and/or water quality information of the washing water between the inner and outer drums cannot be used in the non-porous inner drum washing machine. And because the inner tube is the pivoted barrel, if install the detection sensor on the inner tube, the power supply is very inconvenient.

Chinese patent application No. 201910475354.4 discloses a washing machine including a temperature control module for controlling the temperature of water in the inner tub; the temperature measuring device also comprises a power supply element, wherein a wireless charging receiving end of the power supply element is arranged on the peripheral wall of the inner barrel, and a wireless charging transmitting end of the power supply element is arranged on the peripheral wall of the outer barrel.

The washing machine disclosed in the above application adopts a wireless communication mode to detect the water temperature in the washing machine with the non-porous inner barrel, and solves the problems that the water temperature of the washing machine with the non-porous inner barrel is difficult to detect and the power supply of the temperature measuring element is inconvenient. However, the wireless charging receiving end and the wireless charging transmitting end of the power supply element are arranged on the peripheral wall of the inner cylinder and the outer cylinder, and can occupy the space between the inner cylinder and the outer cylinder, so that the washing capacity of the inner cylinder is limited.

Also, as in the washing machine disclosed in chinese patent application No. 201920541908.1, the wireless transmitter module and the wireless receiver module are mounted at the bottom of the inner and outer drums, and since a large number of metal parts such as a motor transmission shaft and a washing machine tripod are provided at the bottom of the inner and outer drums, electromagnetic interference is generated, which affects wireless power supply and wireless data communication.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a washing machine, wherein a wireless power supply transmitting module and a wireless power supply receiving module are arranged on the front flanges of an inner cylinder and an outer cylinder, so that the phenomenon of electromagnetic interference caused by metal parts at the bottoms of the inner cylinder and the outer cylinder when the wireless power supply transmitting module and the wireless power supply receiving module are arranged at the bottoms of the inner cylinder and the outer cylinder can be avoided, and the problem of limited washing capacity of the washing machine caused by the fact that the wireless power supply transmitting module and the wireless power supply receiving module are arranged on the peripheral walls of the inner cylinder and the outer cylinder can be avoided.

In order to solve the above technical problem, the present application discloses a washing machine, including: an inner tub for independently containing washing water when washing clothes; the outer cylinder is coaxially arranged outside the inner cylinder; also comprises a power supply module which is used for supplying power to the power supply module,

the power supply module comprises a wireless power supply transmitting module arranged on the front flange of the outer barrel and a wireless power supply receiving module correspondingly arranged on the front flange of the inner barrel.

Further, the outer cylinder is a transverse cylinder, the flange in front of the outer cylinder comprises an annular flange body arranged at the cylinder opening of the outer cylinder, and the wireless power supply emission module is arranged at the bottom of the annular flange body.

Further, the wireless power supply emission module is configured to be an arc-shaped strip structure matched with the radian of the annular flange body;

preferably, the wirelessly powered receiving module is configured in a circular or polygonal structure having a smaller cross-sectional area than the wirelessly powered transmitting module.

Furthermore, the wireless power supply transmitting module is fixedly arranged on the outer wall of the outer barrel front flange, and the wireless power supply receiving module is fixedly arranged on the outer wall of the inner barrel front flange.

Furthermore, the outer cylinder front flange and the inner cylinder front flange are respectively provided with an assembly structure for fixedly mounting the power supply module;

preferably, the assembling structure comprises a screw connecting structure and/or a clamping structure which are respectively arranged on the outer barrel front flange and the inner barrel front flange.

Further, still include:

and the washing water detection device is arranged on the inner barrel and used for detecting washing water parameter information, and the power supply module supplies power to the washing water detection device.

Further, the washing water parameter information comprises water temperature information and/or water level information and/or water quality information;

the washing water detection device comprises a temperature sensor and/or a water level sensor and/or a turbidity sensor, and the power supply module provides electric energy for the temperature sensor and/or the water level sensor and/or the turbidity sensor;

preferably, the washing machine further comprises a wireless communication module for feeding back the washing water parameter information acquired by the washing water detection device to a control unit of the washing machine, and the power supply module supplies power to the wireless communication module.

Further, the wireless communication module includes:

the wireless signal sending unit is arranged on the front flange of the inner barrel and used for sending the washing water parameter information acquired by the washing water detection device to the wireless signal receiving unit;

the wireless signal receiving unit is arranged on a front flange of the outer barrel and used for transmitting the received washing water parameter information to the control unit of the washing machine;

preferably, the wireless signal transmitting unit is integrated on the wireless power supply receiving module, and the wireless signal receiving unit is integrated on the wireless power supply transmitting module.

Further, a coil electromagnetic coupling mode, an electromagnetic resonance mode or a photoelectric coupling mode is adopted between the wireless power supply transmitting module and the wireless power supply receiving module for non-contact power supply.

Furthermore, the device also comprises a positioning locking mechanism used for controlling the inner barrel to stop rotating to a set position.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects.

1. The wireless power supply transmitting module is arranged on the front flange of the outer barrel, and the wireless power supply receiving module is correspondingly arranged on the front flange of the inner barrel, so that the phenomenon of electromagnetic interference caused by barrel bottom metal parts when the wireless power supply transmitting module is arranged at the barrel bottoms of the inner barrel and the outer barrel can be avoided, the problem that the washing capacity of the washing machine is limited due to the fact that the wireless power supply transmitting module is arranged on the peripheral wall of the inner barrel and the outer barrel can be avoided, and the washing capacity of the washing machine and the power supply efficiency and reliability of the power supply module are effectively improved.

2. According to the utility model, the wireless power supply transmitting module is arranged to be an arc-shaped long strip structure matched with the radian of the flange body, and the wireless power supply receiving module is constructed to be a circular or polygonal structure with the cross-sectional area smaller than that of the wireless power supply transmitting module, so that even if slight deviation occurs in the positioning of the inner cylinder during power supply, the wireless power supply transmitting module and the wireless power supply receiving module can be reliably paired and complete power supply, and the power supply efficiency is improved.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural view of a washing machine in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 in an embodiment of the present invention;

FIG. 3 is a view illustrating an angle of a partial structure of a washing machine according to an embodiment of the present invention;

FIG. 4 is a schematic view of a partial structure of a washing machine according to an embodiment of the present invention from another angle;

FIG. 5 is a schematic structural diagram of a protective cover arranged on an inner drum of the washing machine in the embodiment of the utility model;

FIG. 6 is a schematic structural view of a protection press on the inner drum of the washing machine according to the embodiment of the present invention;

in the figure: 1. an inner barrel; 11. a front flange of the inner cylinder; 110. turning the edge; 12. protecting and profiling; 121. a sleeve structure; 2. an outer cylinder; 21. a front flange of the outer cylinder; 3. a power supply module; 31. a wireless power supply transmitting module; 32. a wireless power supply receiving module; 4. an inner cylinder door; 41. a limit matching part; 411. a limiting groove; 42. a seal ring; 5. a machine door; 6. an observation window pad; 7. a washing water detection device; 71. detecting a probe; 8. a protective cover; 81. and (6) water permeable holes.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "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 simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

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; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail with reference to examples.

Example one

As shown in fig. 1 to 6, the present embodiment provides a washing machine including: an inner tub 1 for independently containing washing water when washing laundry; the outer cylinder 2 is coaxially arranged outside the inner cylinder 1.

As shown in fig. 1 and 2, the power supply module 3 is further included, and the power supply module 3 includes a wireless power supply transmitting module 31 mounted on the outer cylinder front flange 21, and a wireless power supply receiving module 32 correspondingly mounted on the inner cylinder front flange 11.

In this embodiment, the wireless power supply transmitting module 31 and the wireless power supply receiving module 32 are installed on the front flanges of the inner and outer cylinders, so that the phenomenon that the wireless power supply transmitting module 31 and the wireless power supply receiving module 32 are installed at the bottom of the cylinder and are subjected to electromagnetic interference caused by metal parts such as a motor transmission shaft and a washing machine tripod and the like can be avoided, the problem that the washing capacity of the inner cylinder 1 is limited due to the fact that the wireless power supply transmitting module 31 and the wireless power supply receiving module 32 are installed on the peripheral wall of the inner and outer cylinders can be avoided, and the washing capacity of the washing machine and the efficiency, reliability and stability of power supply of the power supply module 3 can be effectively improved.

The wireless power supply transmitting module 31 is connected with an electric control module of the washing machine, and the wireless power supply receiving module 32 is arranged on the front flange 11 of the inner barrel and can rotate along with the inner barrel 1, and is used for supplying power to electrical elements or a washing water detection device on the inner barrel 1.

Further, in this embodiment, the washing machine is a drum washing machine, the inner drum 1 and the outer drum 2 are both horizontal drums, the outer drum front flange 21 includes an annular flange body disposed at a drum opening of the outer drum 2, and the wireless power supply transmitting module 31 is disposed at a bottom position of the annular flange body. The annular flange body surrounds the circumferential arrangement of the opening of the outer barrel 2.

Specifically, as shown in fig. 1, the inner cylinder front flange 11 and the outer cylinder front flange 21 are provided at the front end near the cylinder opening side. And a horizontal X axis and a vertical Y axis are established by taking the center of the opening of the outer cylinder 2 as the circle center. The included angle between the wireless power supply transmitting module 31 and the negative Y axis is alpha, and alpha is more than 0 and less than 90 degrees.

When the wireless power supply receiving module 32 on the inner barrel front flange 11 rotates to the position of the inner barrel 1 corresponding to the wireless power supply transmitting module 31, the paired power supply of the two modules can be realized. Through the above design, the washing water in the inner tub 1 can be effectively and reliably detected by the washing water detecting device such as a water level sensor or a temperature sensor for detecting the washing water parameter.

In this embodiment, as shown in fig. 1, the washing machine includes a box, the box is provided with a laundry input opening, and the laundry input opening is provided with a door 5 in an openable manner.

Further, in this embodiment, the inner cylinder 1 is composed of a cylindrical inner cylinder, an inner cylinder bottom, and an inner cylinder front flange 11, and the inner cylinder front flange 11 is disposed at a front end position of the inner cylinder close to the cylinder opening. In this embodiment, the inner tub 1 has no water permeable holes, and no water is present between the inner and outer tubs when washing clothes, and the inner tub 1 independently holds washing water. The inner cylinder 1 is provided with a dehydration hole which is in a sealed state under a normal state, the dehydration hole is provided with a centrifugal valve, and the centrifugal valve seals the dehydration hole under the normal state and opens the dehydration hole under the action of centrifugal force to drain water during high-speed dehydration. The inner cylinder front flange 11 may be integrally formed with the inner cylinder, for example, may be formed by bending and extending inward the edge of the inner cylinder close to the cylinder opening.

Or the inner cylinder front flange 11 can also be an independent annular connecting component and is connected with the inner cylinder body into a whole in the modes of melting, bonding, welding, clamping and the like, and the inner cylinder front flange 11 is in sealing fit with the inner cylinder door 4, so that an independent sealed washing cavity is formed inside the inner cylinder 1, and the washing water is prevented from leaking.

Preferably, in this embodiment, the inner cylinder front flange 11 is an independent component, the inner cylinder front flange 11 includes an annular inner cylinder flange body, a connection flange formed by bending and extending towards the direction of the clothes feeding opening is provided at a circumferential edge of the inner cylinder flange body close to the cylinder of the inner cylinder 1, and the connection flange is attached to and fixed on a circumferential wall of the edge of the cylinder of the inner cylinder 1 by melting, bonding, riveting, welding, and the like.

As shown in fig. 1 and 2, the circumferential edge of the inner cylinder flange body matched with the inner cylinder door 4 is rolled towards the periphery to form a rolled edge 110, and the edge of the inner cylinder flange body matched with the inner cylinder door 4 is set to be a rolled edge structure to avoid scraping the inner cylinder door 4 or scratching clothes and the like. The inner barrel door 4 is provided with corresponding position with the spacing cooperation portion 41 of turn-up 110 complex, the inner barrel door 4 includes the door body, spacing cooperation portion 41 by the annular that the outside extension of the radial direction of inner tube 1 formed is followed to the neighboring of door body supports the baffle, the turn-up 110 of inner tube flange body tightly supports on the baffle is supported to the annular.

Preferably, as shown in fig. 2, an annular limiting groove 411 is formed in the annular baffle, and the turned edge 110 is limited in the limiting groove 411, so that the stability of matching is enhanced. Preferably, an annular sealing ring 42 is further arranged in the groove, and the sealing performance of the inner barrel 1 is effectively ensured through the arranged sealing ring 42, so that the washing water is prevented from leaking outwards when the clothes are washed.

In this embodiment, by setting the inner barrel front flange 11 as an independent connecting member, when the inner barrels 1 are produced in batches, firstly, screw holes or processing bolt columns are formed in the independent inner barrel front flange 11, and then, the inner barrel front flange 11 is assembled and connected with the inner barrel, which is more convenient and faster than directly forming the screw holes or processing bolt columns on the whole inner barrel 1, and facilitates installation and setting of the wireless power supply receiving module 32.

Further, the outer cylinder 2 comprises an outer cylinder front flange 21 and an outer cylinder rear flange, the outer cylinder front flange 21 is arranged in front of the outer cylinder, and the outer cylinder front flange 21 is arranged at the front end position of the outer cylinder front flange close to the cylinder opening. The outer cylinder front flange 21 may be integrally formed with the front of the outer cylinder, for example, by bending and extending inward the edge of the front of the outer cylinder near the cylinder opening.

Or, the outer cylinder front flange 21 can also be an independent annular connecting component which is connected with the outer cylinder front into a whole in the modes of melting, bonding, welding, clamping and the like, the outer cylinder front flange 21 is connected with the observation window pad 6 of the washing machine, and the observation window pad 6 is connected between the outer cylinder front flange 21 and the clothes putting port of the washing machine.

Further, as shown in fig. 3 and 4, the wireless power supply transmission module 31 is configured as an arc-shaped strip structure matched with the arc of the annular flange body.

Preferably, the wireless power receiving module 32 is configured in a circular or elliptical or polygonal structure having a smaller cross-sectional area than the wireless power transmitting module 31.

Specifically, as shown in fig. 1 to 4, the wireless power supply transmission module 31 is an arc-shaped long plate-shaped structure attached to the outer wall or the inner wall of the outer barrel front flange 21, and the wireless power supply transmission module 31 has a certain extension length. The wireless power supply transmitting module 31 comprises a power supply circuit, a controller connected with the power supply circuit, and a transmitting coil connected with the controller.

As shown in fig. 3 and 4, the wireless power receiving module 32 is a plate-shaped structure with a circular, oval or polygonal cross section, and is attached to the outer wall or inner wall of the inner barrel front flange 11. The area of the wireless power receiving module 32 is smaller than that of the wireless power transmitting module 31. A receiving coil is arranged in the wireless power supply receiving module 32.

In this embodiment, set up wireless power supply emission module 31 as with the rectangular structure of radian assorted arc of flange body, will wireless power supply receiving module 32 constructs into cross sectional area and is less than the circular or oval or polygonal structure of wireless power supply emission module 31, even a little deviation appears in the inner tube location when supplying power, wireless power supply emission module 31 and wireless power supply receiving module 32 also can realize reliable pairing and accomplish the power supply, improve power supply efficiency. And will wireless power supply emission module 31 sets up to the rectangular structure of arc, and when wireless power supply receiving module 32 and wireless power supply emission module 31 begin to overlap, just can realize pairing power supply, extension power supply time.

Preferably, in this embodiment, as shown in fig. 3 and 4, the wireless power supply transmitting module 31 is fixedly disposed on the outer wall of the outer cylinder front flange 21, and the wireless power supply receiving module 32 is fixedly disposed on the outer wall of the inner cylinder front flange 11. By installing the wireless power supply transmitting module 31 on the outer wall surface of the outer barrel front flange 21, on one hand, the installation operation is convenient, and on the other hand, the space between the inner barrel and the outer barrel is not occupied, thereby reducing the limitation on the washing capacity of the inner barrel 1. Through with wireless power supply receiving module 32 installs on the outer wall of flange 11 before the inner tube, avoids setting up and occupies the inside space of washing drum on flange 11 inner wall before the inner tube on the one hand, and the user can see wireless power supply receiving module 32 influences the holistic aesthetic property of washing machine, and on the other hand avoids setting up and is soaked inefficacy for a long time by the washing water in inner tube 1 is inside.

Further, the outer cylinder front flange 21 and the inner cylinder front flange 11 are respectively provided with an assembling structure for fixedly mounting the power supply module 3. The assembling structure can be a buckle, a claw or a bolt column, and the wireless power supply transmitting module 31 and the wireless power supply receiving module 32 can be connected and fixed in a screw and/or clamping manner. Of course, the wireless power transmission module 31 and the wireless power reception module 32 may also be fixed on the outer cylinder front flange 21 and the inner cylinder front flange 11 respectively by bonding, welding, melt injection, or the like.

Preferably, in this embodiment, the wireless power supply transmitting module 31 and the wireless power supply receiving module 32 are detachably mounted and fixed on the outer barrel front flange 21 and the inner barrel front flange 11 by a connection manner of screws and/or clamping, so as to facilitate disassembly and maintenance.

Specifically, the assembling structure comprises a screw connecting structure and/or a clamping structure which are respectively arranged on the outer cylinder front flange 21 and the inner cylinder front flange 11.

In one embodiment, the wireless power transmitting module 31 and the wireless power receiving module 32 are fixed on the outer barrel front flange 21 and the inner barrel front flange 11 by screws, respectively. The screw connection structure comprises a first bolt column injection-molded on the outer barrel front flange 21, the wireless power supply emission module 31 is provided with a threaded hole correspondingly matched with the first bolt column, and the wireless power supply emission module 31 is fixed on the first bolt column on the outer barrel front flange 21 through a first screw.

The screw connection structure further comprises a second bolt column which is riveted or welded on the inner barrel front flange 11, a threaded hole which is correspondingly matched with the second bolt column is formed in the wireless power supply receiving module 32, and the wireless power supply receiving module 32 is fixed on the inner barrel front flange 11 through a second screw. The wireless power supply transmitting module 31 and the wireless power supply receiving module 32 are respectively fixed on the outer barrel front flange 21 and the inner barrel front flange 11 through screws, so that the stability is higher.

In another modification, a threaded hole may be directly formed in the inner barrel front flange 11, and the wireless power receiving module 32 may be directly fixed to the threaded hole of the inner barrel front flange 11 by a second screw and a fastener.

In another embodiment, the wireless power supply transmitting module 31 may be fixed on the outer barrel front flange 21 in an assembling manner of clamping and screw combination, a clamping structure such as an insertion groove or a clamping jaw or a clamping buckle is provided on the outer barrel front flange 21, one end of the wireless power supply transmitting module 31 is clamped and fixed on the clamping structure, and the other end is fixed by screw connection. Through adopting the above-mentioned joint and the fixed assembly method that combines of screw wireless power supply emission module 31 can guarantee the reliability of connecting, can improve assembly efficiency again.

Similarly, the wireless power receiving module 32 can also be fixed on the inner barrel front flange 11 by the above-mentioned assembly manner of clamping and screw combination, and the principle is the same, and will not be described herein again.

Further, the washing machine further includes:

and the washing water detection device 7 is arranged on the inner barrel 1 and used for detecting washing water parameter information, and the power supply module 3 supplies power to the washing water detection device 7.

Further, the washing water parameter information comprises water temperature information and/or water level information and/or water quality information;

the washing water detecting device 7 comprises a temperature sensor and/or a water level sensor and/or a turbidity sensor, and the power supply module 3 supplies electric energy to the temperature sensor and/or the water level sensor and/or the turbidity sensor.

Preferably, the temperature sensor and/or water level sensor and/or turbidity sensor is provided on the inner barrel front flange 11 near the wireless power receiving module 32. The detection end of the temperature sensor and/or the water level sensor and/or the turbidity sensor is positioned in the inner barrel 1 and is used for detecting parameter information of the washing water.

In one embodiment, the temperature sensor, the water level sensor and the turbidity sensor can be integrated into one module or any two of the three can be integrated into one module, so that the liquid level, the temperature and the turbidity data of the washing water in the inner tub 1 can be detected simultaneously, and multiple detection functions of one sensor can be realized.

Preferably, the washing machine further comprises a wireless communication module for feeding back the washing water parameter information acquired by the washing water detection device 7 to a control unit of the washing machine, and the power supply module 3 supplies power to the wireless communication module. The wireless communication module can carry out wireless communication in the modes of Bluetooth, infrared or wifi and the like.

Further, the wireless communication module includes:

the wireless signal sending unit is arranged on a front flange of the inner barrel 1 and used for sending the washing water parameter information acquired by the washing water detection device 7 to the wireless signal receiving unit;

and a wireless signal receiving unit disposed on the front flange of the outer tub 2 for transmitting the received washing water parameter information to a control unit of the washing machine.

In the embodiment, the wireless signal transmitting unit and the wireless signal receiving unit are respectively arranged on the front flanges of the outer barrel 2 and the inner barrel 1, so that the phenomenon of electromagnetic interference signal transmission caused by a barrel bottom metal part when the wireless signal transmitting unit and the wireless signal receiving unit are arranged at the bottom of the barrel can be avoided, the problem that the washing capacity of the inner barrel 1 is limited due to the fact that the wireless signal transmitting unit and the wireless signal receiving unit are arranged on the barrel can be avoided, and the washing capacity of the washing machine and the efficiency and the reliability of signal transmission of the wireless communication module are effectively improved.

Preferably, in this embodiment, the wireless signal transmitting unit is integrated on the wireless power receiving module 32, and the wireless signal receiving unit is integrated on the wireless power transmitting module 31, so as to simplify the structure, reduce the assembly and installation steps, and improve the assembly efficiency.

Further, a coil electromagnetic coupling mode, an electromagnetic resonance mode, or a photocoupling mode is adopted between the wireless power supply transmitting module 31 and the wireless power supply receiving module 32 for non-contact power supply. Of course, other non-contact power supply modes may be adopted for wireless power supply between the wireless power supply transmitting module 31 and the wireless power supply receiving module 32.

Further, as shown in fig. 1, fig. 2, fig. 5, and fig. 6, in the present embodiment, the washing machine further includes a positioning locking mechanism for controlling the inner tub 1 to stop to a set position. The set position is that the inner barrel 1 rotates to a position where the wireless power supply receiving module 32 corresponds to the wireless power supply transmitting module 31. At this time, the detection probe 71 of the washing water detection device 7 is located at the bottommost position of the inner tub 1, so as to accurately detect a liquid level value or a temperature value or a turbidity value.

The positioning locking mechanism comprises a driving motor and a locking rod which can telescopically move under the driving of the driving motor, and a locking groove is formed in the inner barrel 1. When the inner cylinder 1 rotates to a set position, the driving motor drives the locking rod to extend out of the locking groove to be abutted against the locking groove, so that the inner cylinder 1 is locked and positioned, and the inner cylinder 1 is positioned at the set position.

The embodiment also provides a control method of the washing machine, which comprises the following steps:

when power supply is needed, the inner barrel 1 is controlled to rotate to the position where the wireless power supply receiving module 32 corresponds to the wireless power supply transmitting module 31, and the power supply is finished after a set time of stay.

Or, when power supply is needed, when the wireless power supply receiving module 32 and the wireless power supply transmitting module 31 are detected to start to overlap, the inner barrel 1 is controlled to rotate slowly until power supply is completed.

In the above control method, when power is needed, the inner cylinder 1 may be controlled to stay at the set position for a set time period to supply power, or the wireless power supply receiving module 32 may be controlled to slowly rotate when passing through the wireless power supply transmitting module 31, so as to provide more time for the wireless power supply transmitting module 31 and the wireless power supply receiving module 32 to supply power in a paired manner, and at the same time, the influence of power supply on the washing process is minimized.

The embodiment realizes the liquid level, temperature and turbidity detection function of the washing machine with the non-porous barrel through the non-contact power supply and signal transmission mode, and meanwhile, the washing machine is free from cleaning, and the practicability is high.

Example two

As shown in fig. 1 to 6, the present embodiment provides a washing machine based on the first embodiment, mainly for solving the problem that the washing water detection device 7 on the inner tub 1 is easily scratched by the load in the tub, causing damage or affecting the detection accuracy.

As shown in fig. 1, 5, and 6, the present embodiment provides a washing machine including:

an inner tub 1 for independently containing washing water when washing laundry;

the washing water detection device 7 is arranged on the inner barrel 1 and used for detecting the parameter information of the washing water;

the sensor protection device is arranged on the inner barrel 1 and is provided with a protection cavity, and the washing water detection device 7 is at least partially arranged in the protection cavity.

This embodiment is through the sensor protection device who has the protection chamber in that sets up on inner tube 1, will washing water detection device 7 at least part sets up the protection intracavity is right washing water detection device 7 has carried out effectual protection, can avoid loads such as clothing or metal zip fastener in the section of thick bamboo easily to scrape the test probe 71 who bumps washing water detection device 7 effectively, causes the phenomenon that washing water detection device 7 damaged. The sensor protection device that sets up simultaneously can block line bits, impurity, the dirt of washing aquatic effectively and adhere to on washing water detection device 7, influences the precision that detects, has improved washing water detection device 7's life and the precision that detects effectively.

Further, the washing water detecting device 7 includes a detecting probe 71 located inside the inner tub 1 for detecting parameter information of the washing water, and the detecting probe 71 of the washing water detecting device 7 is located inside the protection cavity.

Further, as shown in fig. 1 and 5, the sensor protection device is a protection cover 8 fixedly disposed on the inner tub 1 corresponding to the washing water detection device 7, and the detection probe 71 of the washing water detection device 7 is covered in the protection cover 8. The sensor protection device provided by the embodiment adopts a structure of a protective cover 8 fixedly arranged on the inner barrel 1, and the detection probe 71 of the washing water detection device 7 is covered in the protective cover 8, so that the detection probe 71 is effectively protected.

Further, the protective cover 8 is of a grid structure; alternatively, as shown in fig. 5, the protective cover 8 is a curved cover structure having a plurality of water permeable holes 81. Through inciting somebody to action protection casing 8 sets up to the grid structure or be provided with a plurality of holes 81 of permeating water on the protection casing 8, can let the washing water inflow flow out when protecting washing water detection device 7 not scraped by the load, guarantees the accurate detection of washing water parameter information.

Preferably, as shown in fig. 5, in this embodiment, the protective cover 8 is a curved cover structure provided with a plurality of water permeable holes 81, and the curved cover structure is simple to form and easy to process. Preferably, the outer wall surface of the curved cover structure is smoothly arranged to reduce friction damage to the clothes.

Preferably, the permeable holes 81 are provided with a filtering structure, so that impurities and sludge in the washing water can be effectively filtered through the filtering structure, and the impurities and the sludge in the washing water are prevented from being attached to and accumulated on the detection probe 71 to affect the measurement accuracy of the washing water detection device 7.

In the above scheme, a filter screen may be disposed in the water permeable hole 81, or one or more layers of filter screens may be disposed on the inner wall of the whole protective cover 8.

Of course, in another embodiment, the whole protection cover 8 may be provided with a hollow structure having numerous dense fine water permeable holes 81, so that the protection cover 8 itself forms a filtering structure, and the protection cover 8 can not only protect the washing water detection device 7, but also effectively filter, and is multifunctional.

Preferably, in this embodiment, the protection cover 8 can be fixed on the inner wall of the inner cylinder 1 in a clamping manner or a screw manner, and the protection cover 8 is fixed in a clamping manner or a screw manner, so that the protection cover is convenient to detach and install.

Of course, the protective cover 8 may also be fixed by welding, bonding, or the like. Preferably, the protective cover 8 is fixed on the inner cylinder 1 through screws, so that reliable connection can be provided for the protective cover 8, and the protective cover is convenient to detach and install.

Further, as shown in fig. 1 and fig. 6, the sensor protection device is a protection profiling 12 arranged on the inner cylinder 1, and the protection profiling 12 is formed by outwardly recessing the cylinder wall of the inner cylinder 1.

The protection pressure type 12 is provided with a protection cavity which is sunken towards the outside of the inner cylinder 1, and the detection probe 71 of the washing water detection device 7 is positioned in the protection cavity.

The sensor protection device that this embodiment provided is through adopting foretell protection die mould 12 structure, protection die mould 12 is direct to be formed by the outside sunken of 1 section of thick bamboo wall of inner tube, need not additionally to add other parts, can realize right test probe 71's protection has reduced the complexity of assembly installation, and the shaping is simple, and the cost of manufacture is low in the production, convenient to use promotes.

Further, as shown in fig. 1 and fig. 6, a mounting through hole for the detection probe 71 to extend into the protection cavity is formed in the center of the protection die 12. The detection probe 71 extends into the protection cavity through the installation through hole, and the protection profiling 12 can effectively prevent loads such as clothes and the like from being scraped to touch the detection probe 71.

Further, as shown in fig. 6, a circumferential edge of the installation through hole extends towards the inside of the inner cylinder 1 to form a sleeve structure 121, and the detection probe 71 is located in the sleeve structure 121 and is communicated with the protection cavity, or extends from the sleeve structure 121 into the protection cavity.

Through the sleeve structure 121 that sets up can be right detect probe 71 plays certain spacing effect of supporting, avoids detect probe 71 rocks, improves detect probe 71's stability, the setting of the seal structure of also being convenient for simultaneously.

Further, a sealing structure is provided in the sleeve structure 121, and the sealing structure is connected between the sleeve structure 121 and the peripheral wall of the detection probe 71 in a sealing manner. The washing water can be effectively prevented from overflowing through the gap between the through hole and the detection probe 71 by the arranged sealing structure.

Preferably, at least one circle of sealing groove is arranged on the sleeve structure 121, and the sealing structure includes a sealing ring arranged in the sealing groove in an extruding manner. The sealing ring is connected between the inner peripheral wall of the sleeve structure 121 and the outer peripheral wall of the detection probe 71 in a sealing mode, and the sealing performance is effectively guaranteed.

Further, as shown in fig. 1, 5 and 6, the washing water detecting device 7 is disposed on the front flange of the inner tub 1 in the present embodiment, and the sensor protecting device is correspondingly disposed on the front flange of the inner tub 1.

Further, the inner cylinder front flange 11 comprises an annular inner cylinder front flange body, and the protective cover 8 is fixedly arranged on the inner cylinder front flange 11. Or, the protection compression type 12 is formed by the front flange body of the inner drum sinking towards the direction close to the clothes throwing opening of the washing machine.

By arranging the washing water detection device 7 and the sensor protection device on the front flange 11 of the inner barrel 1, the phenomenon that the washing water detection device 7 is subjected to electromagnetic interference caused by a barrel bottom metal part when the washing water detection device 7 is arranged at the bottom of the inner barrel 1 can be avoided, the problem that the washing capacity of the washing machine is limited due to the fact that the washing water detection device 7 and the sensor protection device are arranged on the peripheral wall of the inner barrel 1 can be avoided, and the washing capacity of the washing machine and the efficiency and reliability of detection of the washing water detection device 7 are effectively improved.

Preferably, in this embodiment, the washing water detecting device 7 and the sensor protecting device are disposed on the front flange 11 of the inner tub at a position close to the outer circumferential edge, so as to be able to detect the washing water parameter information more accurately.

Further, in this embodiment, the washing water parameter information includes water temperature information and/or water level information and/or water quality information; the washing water detecting means 7 includes a temperature sensor and/or a water level sensor and/or a turbidity sensor provided on the inner tub 1.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. A washing machine comprising: an inner tub for independently containing washing water when washing clothes; the outer cylinder is coaxially arranged outside the inner cylinder; it is characterized by also comprising a power supply module,

the power supply module comprises a wireless power supply transmitting module arranged on the front flange of the outer barrel and a wireless power supply receiving module correspondingly arranged on the front flange of the inner barrel.

2. The washing machine as claimed in claim 1, wherein the outer tub is a horizontal tub, the outer tub front flange includes an annular flange body provided at a tub opening of the outer tub, and the wireless power transmission module is provided at a bottom position of the annular flange body.

3. The washing machine as claimed in claim 2, wherein the wireless power transmission module is configured in an arc-shaped strip structure matching with an arc of the annular flange body;

the wireless power receiving module is configured in a circular or polygonal structure having a smaller cross-sectional area than the wireless power transmitting module.

4. The washing machine as claimed in claim 1, wherein the wireless power transmitting module is fixedly provided on an outer wall of the front flange of the outer tub, and the wireless power receiving module is fixedly provided on an outer wall of the front flange of the inner tub.

5. The washing machine as claimed in claim 1, wherein the outer tub front flange and the inner tub front flange are respectively provided with an assembling structure for fixedly mounting the power supply module;

the assembly structure comprises a screw connection structure and/or a clamping structure which are respectively arranged on the outer barrel front flange and the inner barrel front flange.

6. The washing machine as claimed in any one of claims 1 to 5, further comprising:

and the washing water detection device is arranged on the inner barrel and used for detecting washing water parameter information, and the power supply module supplies power to the washing water detection device.

7. The washing machine as claimed in claim 6, wherein the washing water parameter information includes water temperature information and/or water level information and/or water quality information;

the washing water detection device comprises a temperature sensor and/or a water level sensor and/or a turbidity sensor, and the power supply module provides electric energy for the temperature sensor and/or the water level sensor and/or the turbidity sensor.

8. The washing machine according to claim 6, further comprising a wireless communication module for feeding back the washing water parameter information acquired by the washing water detection device to the control unit of the washing machine, wherein the power supply module supplies power to the wireless communication module.

9. The washing machine as claimed in claim 8, wherein the wireless communication module comprises:

the wireless signal sending unit is arranged on the front flange of the inner barrel and used for sending the washing water parameter information acquired by the washing water detection device to the wireless signal receiving unit;

and the wireless signal receiving unit is arranged on the front flange of the outer barrel and is used for transmitting the received washing water parameter information to the control unit of the washing machine.

10. A washing machine as claimed in any one of claims 1 to 5 further comprising a detent mechanism for controlling the drum to stall to a set position.

Images