WO2020182026A1

WO2020182026A1 - Washing machine door assembly and drum washing machine provided with washing machine door assembly

Info

Publication number: WO2020182026A1
Application number: PCT/CN2020/077712
Authority: WO
Inventors: 宋立军; 蒋玉亮; 范景恩; 吉雪玲; 孙广彬; 陈超; 苏祥
Original assignee: 青岛海尔滚筒洗衣机有限公司; 海尔智家股份有限公司
Priority date: 2019-03-12
Filing date: 2020-03-04
Publication date: 2020-09-17
Also published as: JP2022526479A; JP7273986B2; CN111764120A

Abstract

Provided by the present invention is a washing machine door assembly, comprising an outer frame and an inner frame which are arranged around the edge of an observation window assembly, wherein the washing machine door assembly is rotatably connected to a box body by means of a door hinge assembly so as to open or close a taking out and placing opening which is formed in the box body and used for taking out and placing clothes; the outer frame and the inner frame form a support cavity, and a voice module is fixedly arranged in the support cavity; and the voice module is connected to a control module arranged on the box body by means of an electrical lead. Also provided is a roller washing machine. On the one hand, the present invention may reduce the influence of noise, reverberation, human voice interference, echo and other factors on voice recognition in an actual environment; on the other hand, contact between the voice module and washing water may be effectively avoided, working stability of the voice module is improved, and the service life is prolonged.

Description

Washing machine door assembly and drum washing machine provided with washing machine door assembly

Technical field

The present invention relates to the technical field of washing equipment, in particular to a washing machine door assembly, and a drum washing machine provided with the washing machine door assembly.

Background technique

With the development of mobile Internet and artificial intelligence, voice-based interaction has become more and more important and more popular. Most of the voice interaction technologies rely on the network and the cloud, and multiple key steps such as back-end speech recognition, natural speech processing, and speech synthesis require a large amount of data and calculations, which can usually only be completed by the cloud.

However, the control of home appliances usually only requires some simple commands. A more suitable way is to solidify the command entries in the local storage after algorithm training and model matching. When performing voice control, you do not need to rely on the Internet and implement it locally. Call processing directly. Compared with online processing, offline speech recognition is more stable and efficient. If there is a problem with the network, the voice interaction function can still keep working, and the delay in the recognition process is small, and the user experience is better.

technical problem

For the washing machine, the voice module is usually arranged in the cabinet and adjacent to the control module. The sound pickup hole of the microphone is opened on the surface of the box body. With this structure, noise, reverberation, vocal interference, echo and other factors in the real environment will have a greater impact. The signal-to-noise ratio of the recorded signal will be very low, and the algorithm processing will be more difficult, especially for offline speech recognition. In other words, due to the limited computing power of its control chip, the recognition effect will be further weakened. In addition, since the washing machine will inevitably come into contact with the surface of the cabinet during use of the washing machine, the microphone provided on the surface of the cabinet will malfunction, which will also reduce the stability of the equipment.

Technical solutions

The invention designs and provides a washing machine door assembly to reduce the influence of noise, reverberation, human voice interference, echo and other factors in the real environment on voice recognition.

The invention provides a washing machine door assembly, comprising an outer frame and an inner frame arranged around the edge of an observation window assembly. The washing machine door assembly is rotatably connected with a box body through a door hinge assembly to open or close the A pick-and-place opening for picking and placing clothes; characterized in that the outer frame and the inner frame enclose a supporting cavity, and the voice module is fixedly arranged in the supporting cavity; the voice module is connected to the box body through a wire Connect to the control module.

Further, the outer frame and the inner frame are circular; the inner frame has a first inner frame surface and a second inner frame surface, wherein the first inner frame surface is close to one side of the box body, so The surface of the second inner frame is away from the side of the box body; the voice module is fixed on the surface of the second inner frame, and guide walls are symmetrically provided on the surface of the second inner frame, and the guide walls protrude from The surface of the second inner frame extends along the axial direction; the wires connected to the voice module are arranged between the guide walls.

Further, the guide wall is intermittently arranged, the guide wall and the surface of the second inner frame enclose a first wire groove, and the wire connected to the voice module is arranged along the first wire groove.

Further, the inner frame is provided with an opening allowing the door hinge assembly to pass through; the guide wall is intermittently arranged to sequentially form a first wall section, a second wall section and a third wall section; wherein The first wall section is distributed in an arc shape, the second wall section is distributed in a top-down direction, the third wall section is horizontally distributed, and the first wall section is formed between the voice module and the door Between the hinge components, the second wall section is formed on one side of the opening, and the third wall section is formed below the opening.

Further, the lengths of the first wall section, the second wall section and the third wall section decrease in order.

Further, a hinge plate is further provided in the support cavity, and a guide cavity is formed on the hinge plate. The guide cavity extends in a direction away from the surface of the second inner frame, and the guide cavity corresponds to The third wall section is provided.

Further, a microphone or a microphone array is also arranged in the supporting cavity.

Further, the inner frame is provided with microphone pickup holes symmetrically.

Further, a speaker is also arranged in the supporting cavity, and a speaker through hole is opened on the inner frame.

The door assembly of the washing machine disclosed in the present invention can reduce the influence of noise, reverberation, human voice interference and echo in the real environment on voice recognition on the one hand; on the other hand, it can effectively avoid the contact between the voice module and the washing water and improve The working stability of the voice module extends its service life.

At the same time, a drum washing machine is provided, including a washing machine door assembly. The washing machine door assembly includes an outer frame and an inner frame arranged around the edge of the observation window assembly. The washing machine door assembly is rotatably connected with the cabinet through a door hinge assembly to open or A pick-and-place opening for picking and placing clothes arranged on the box is enclosed; it is characterized in that the outer frame and the inner frame enclose a supporting cavity, and the voice module is fixedly arranged in the supporting cavity; the voice module It is connected with the control module arranged on the box body through a wire.

Beneficial effect

The drum washing machine disclosed in the present invention, while ensuring a concise appearance, improves the working stability of the voice module through a specially designed connection mode of the voice module and the control module; after the connection structure is increased, the control module can be easily connected to the cabinet Other functional parts realize mechanical connection and electrical connection without affecting the normal opening and closing of the door body. The drum washing machine disclosed by the invention has the advantages of high working stability, good practicability, and beautiful appearance.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

Fig. 1 is a schematic structural view of a washing machine door assembly disclosed in the present invention from a first perspective;

2 is a schematic structural diagram of the washing machine door assembly shown in FIG. 1 from a second perspective;

3 is a partial enlarged schematic diagram showing the specific structure of the first wire groove;

4 is a partial enlarged schematic diagram showing the specific structure of the first wall section;

Figure 5 is a schematic structural view of the hinge plate from a first perspective;

Fig. 6 is a partial enlarged schematic diagram of A in Fig. 5;

Figure 7 is a schematic view of the structure of the hinge plate from a second perspective;

Fig. 8 is a partial enlarged schematic diagram of B in Fig. 7;

Figure 9 is a schematic structural view of the washing machine door assembly disclosed in the present invention in an open state;

Figure 10 is an exploded schematic diagram of the connection structure between the voice module and the control module;

11 to 13 are structural schematic diagrams of the voice module, door hinge assembly and control module in the connected state of the drum washing machine disclosed in the present invention;

Figure 14 is a schematic diagram of the structure of the hinge assembly;

Figure 15 is an exploded schematic diagram of the washing machine door assembly;

Figure 16 is a schematic diagram of the box body structure in a non-suspended state;

Figure 17 is a schematic diagram of the box body structure in a suspended state.

Embodiments of the invention

The embodiments of the present invention are described in detail below. Examples of specific implementations are shown in the accompanying drawings, in which the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

It should be understood that, in the description of the present invention, the terms "center", "longitudinal", "transverse", "length", "thickness", "upper", "lower", "front", "front", and "transverse" to characterize the location structure "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", etc. are based on the attached drawings The direction or position relationship shown is only to facilitate the description of the present invention and make it easy to understand, but does not indicate or imply that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Restrictions on the invention.

In addition, the terms "first" and "second" are only used for description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more. In the description of the present invention, "plurality" means two or more than two, unless specifically defined otherwise.

It should also be noted that, in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two components. For those skilled in the art, the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.

The washing machine door assembly 102 according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings. As shown in Figure 1, Figure 2, Figure 9 and Figure 15, the washing machine door assembly 102 includes an outer frame 102-2 and an inner frame 102-3 arranged around the edge of the viewing window assembly, in order to more clearly illustrate the washing machine door assembly Internal structure, the outer frame is removed in Figure 2. Generally speaking, the glass 102-1 and the decorative ring (not shown in the figure) of the observation window assembly are clamped between the outer frame 102-2 and the inner frame 102-3. The outer frame 102-2 and the inner frame 102-3 are preferably snap-connected. The washing machine door assembly 102 is rotatably connected with the box body 101 of the drum washing machine through the door hinge assembly 103 to open or close a pick-and-place opening provided on the box body 101 for picking and placing clothes. Different from the prior art, in the present invention, a supporting cavity 105 for fixedly installing the voice module 104 is formed between the outer frame 102-2 and the inner frame 102-3, and the voice module 104 is fixedly arranged in the supporting cavity 105 . The voice module 104 is connected to the control module 110 arranged on the box 101 through a wire. The voice module 104 is arranged in the washing machine door assembly 102 to avoid opening the microphone's sound pickup hole on the surface of the cabinet 101. On the one hand, it can reduce the effect of noise, reverberation, human voice interference and echo in the real environment on the voice Recognize the impact; on the other hand, it can effectively prevent the voice module from contacting the washing water, improve the working stability of the voice module, and extend its service life.

Specifically, the outer frame 102-2 and the inner frame 102-3 are both circular. The inner frame 102-3 has a first inner frame surface 102-31 and a second inner frame surface 102-32. It is defined that the first inner frame surface 102-31 is close to the side of the box body 101, and the second inner frame surface 102-32 is away from the side of the box body 101. In order to reduce the wire length between the voice module and the control module, preferably, the voice module 104 is fixed on the second inner frame surface 102-32, and is further preferably arranged on the upper side of the second inner frame surface 102-32. Considering that the control module and the display module of the conventional drum washing machine are integrally arranged above the box body to make the height suitable and convenient for the user to operate. A guide wall 102-6 is symmetrically provided on the second inner frame surface 102-32, and the guide wall 102-6 protrudes from the second inner frame surface 102-32 and extends along the axial direction of the second inner frame surface 102-32, The wire 105 connected to the voice module 104 is arranged between the guide walls 102-6. The guide wall 102-6 is arranged on the surface 102-32 of the second inner frame. On the one hand, it can ensure the stable connection between the voice module and the control module and improve the stability of the voice module. On the other hand, it can also be used in the support module. An image recognition module, a distance recognition module, and other biological recognition modules are provided. The guide wall can prevent the wires between the voice module and the control module from interfering with other functional modules; at the same time, the guide wall can also increase the strength of the inner frame.

Compared with the prior art in which the voice module is arranged on the cabinet, in this embodiment, during the washing process of the drum washing machine, the washing machine door assembly opens or closes relative to the cabinet. Therefore, the wire will shift to a certain extent and wear out after long-term use. In order to reduce the wear of the wire, in this embodiment, as shown in Figures 2 and 3, the guide wall 102-6 is discontinuous and is intermittently arranged. The intermittently arranged guide wall 102-6 and the second inner frame surface 102-32 The first wire grooves 102-33 are enclosed together, thereby reducing the contact area between the wire 105 and the first wire grooves 102-33. The width of the first wire groove 102-33 is greater than the diameter of the wire, preferably 1.5 to 2 times the diameter of the wire. On the one hand, this design can play the role of guiding the wire by the first wire groove composed of intermittently arranged guide walls. On the other hand, the relatively wide width of the first wire groove and the spaced structure make the wire shift A certain buffer space reduces friction and is not easy to wear during long-term use, which further ensures the safety of the voice module. At the same time, the intermittently arranged guide wall can also save the space in the supporting cavity, which is convenient for further expansion of the washing machine functional module. A number of wire clips can also be provided on the wires of the first wire trough to prevent the wires from falling out.

In this embodiment, the wire 105 connected to the voice module 104 passes through the front panel of the box body 101 through a hinge assembly and is electrically connected to the control module 110. In order not to block the hinge assembly, the inner frame 102-3 is provided with an opening 130 that allows the door hinge assembly to pass through. Specifically, the door hinge assembly includes a hinge body 103-1 and a hinge rigid shaft 103-2. The opening 130 opened on the inner frame 102-3 allows the hinge body 103-1 to pass through. In order to guide the wire 105 to change its direction into the hinge assembly, the guide wall 102-6 is intermittently arranged to sequentially form a first wall section 102-331, a second wall section 102-332, and a third wall section 102-333. The first wall sections 102-331 are distributed in an arc shape and are formed between the voice module 104 and the door hinge assembly, and are used to guide the wire 105 connected to the voice module 104 to extend along the second inner frame surface 102-32 to avoid wires It overlaps with the observation window glass 102-1, and the second wall sections 102-332 are approximately vertically distributed along the top-down direction, and are formed on the side of the opening 130 to avoid interference between the wire and the hinge body. The wall sections 102-333 are formed under the opening 130, and are used to guide the wires to change the extending direction into the hinge body and pass through the front plate of the box body 101 through the hinge body. Preferably, the lengths of the first wall section 102-331, the second wall section 102-332 and the third wall section 102-333 are decreasing, forming the length of the guide wall 102-6 of the first wall section 102-331 102-61 is smaller than the length 102-62 of the guiding wall 102-6 forming the second wall section 102-332, and the length 102-62 of the guiding wall 102-6 forming the second wall section 102-332 is smaller than the length 102-62 forming the third wall The length 102-63 of the guide wall 102-6 of the section 102-333 is designed so that the bending degree and the number of bending of the wire in the second wall section 102-332 and the third wall section 102-333 are both Compared with the first wall section 102-331, the length of the guide wall is gradually increased to ensure that the wire does not fall off.

As shown in Figures 5 to 8, a hinge plate 102-4 is also provided in the support cavity 105, and a guide cavity 102-42 is formed on the hinge plate 102-4 to bend upward when the wire enters the hinge body At the same time, the wire is guided and protected, and the guiding cavity 102-42 extends in a direction away from the second inner frame surface 102-32. After the installation is completed, the positions of the guiding cavities 102-42 correspond to the third wall sections 102-333.

A microphone or microphone array 111 is also provided in the supporting cavity 105. In order to optimize the sound pickup effect of the voice module 104, a microphone array 111 is preferably provided. The microphone array 111 may be a linear array or a circular array. The linear array can distinguish sound source information within 180 degrees, and the circular array can distinguish sound source information within 360 degrees. For drum washing machines, the probability of sound source information coming from below is usually low. Therefore, a linear array is preferably provided, and symmetrical microphone pickup holes 111-1 corresponding to the linear array are provided on the first inner frame surface 102-31.

In addition to the voice recognition function, the voice module 104 preferably also has a voice synthesis function. A speaker is arranged in the supporting cavity 105, and a speaker through hole 111-2 is opened on the surface 102-31 of the first inner frame.

The present invention also discloses a drum washing machine. Specifically, the drum washing machine 100 according to the embodiment of the present invention includes a cabinet 101, a door hinge assembly 103, and a washing machine door assembly 102. It also includes a voice module 104, which can implement multiple functions such as voice input, voice recognition, voice storage, voice synthesis, and voice playback. Voice recognition technology has been widely used in the technical fields of smart homes and household appliances, and is familiar to those skilled in the art. It is not the protection focus of the present invention. The chips used in the voice module 104 and the voice recognition and voice synthesis technology are no longer discussed here. The specific algorithm is further defined. For the drum washing machine disclosed in the present invention, on the one hand, a voice module is required to achieve good sound pickup and voice playback effects, and has good stability. If the sound pickup effect is not good, it will directly lead to control failure and affect the user experience On the other hand, it is preferable to set the control module 110 for controlling the corresponding components of the drum washing machine (such as washing machine operating parts, buttons or display modules, etc.) on the box 101 to facilitate the realization of mechanical and electrical connections, so as to achieve For the above two purposes, in this embodiment, the voice module 104 is provided in the washing machine door assembly 102, the control module 110 is provided on the cabinet 101, and the voice module 104 and the control module 110 are connected by a wire 105.

Specifically, the front side of the box body 101 has an access opening, and the access opening is formed on the front panel of the box body 101. The user picks and places clothes through the pick and place opening. The door hinge assembly is arranged on the side of the front plate 101-2 of the box body 101. The door hinge assembly includes a hinge body 103-1 and a hinge rigid shaft 103-2. The hinge body 103-1 is fixedly connected to the front plate of the box body 101. The hinge A sleeve 103-3 is provided on the rigid shaft 103-2. The washing machine door assembly 102 includes an outer frame 102-2 and an inner frame 102-3. The outer frame 102-2 and the inner frame 102-3 are arranged around the edge of the observation window assembly 102-1 and jointly enclose a supporting cavity 105. The supporting cavity 105 is provided with a hinge plate 102-4. For ease of description, the side surface of the inner frame 102-3 close to the box body 101 is defined as the first inner frame surface 102-31, and the side surface away from the box body 101 is defined as the second inner frame surface 102-32, that is, Taking the use orientation of the drum washing machine as a reference system, the surface of the inner frame 102-3 on the inner side is the first inner frame surface 102-31, and the surface on the outer side is the second inner frame surface 102-32. The washing machine door assembly 102 is connected to the door hinge assembly through a hinge plate 102-4, so that the washing machine door assembly 102 is rotatably connected with the box body 101 to open or close the opening 130, which is convenient for the user to operate.

In order to ensure the sound pickup effect while facilitating the mechanical and electrical connection of the control module 110, in this embodiment, the voice module 104 is fixedly arranged on the second inner frame surface 102-32.

A guide wall 102-6 is symmetrically provided on the second inner frame surface 102-32, and the guide wall 102-6 protrudes from the second inner frame surface 102-32 and extends along the axial direction of the second inner frame surface 102-32, The wire 105 connected to the voice module 104 is arranged between the guide walls 102-6. The guide wall 102-6 is arranged on the surface 102-32 of the second inner frame. On the one hand, it can ensure the stable connection between the voice module and the control module and improve the stability of the voice module. On the other hand, it can also be used in the support module. An image recognition module, a distance recognition module, and other biometric recognition modules are provided. The guide wall can prevent the wires between the voice module and the control module from interfering with other functional modules; at the same time, the guide wall can also increase the strength of the inner frame.

During the washing process of the drum washing machine, the washing machine door assembly 102 opens or closes relative to the cabinet 101. Therefore, the wire will shift to a certain extent and wear out after long-term use. In order to reduce the wear of the wire, in this embodiment, the guide wall 102-6 is intermittently arranged, and the intermittently arranged guide wall 102-6 and the second inner frame surface 102-32 jointly enclose the first wire groove 102-33, thereby The contact area between the wires and the first wire grooves 102-33 is reduced. The width of the first wire groove 102-33 is greater than the diameter of the wire, preferably 1.5 to 2 times the diameter of the wire. On the one hand, the first wire trough 102-33 composed of intermittently arranged guide walls 102-6 can play a role in guiding the wire. On the other hand, the first wire trough 102-33 also provides a certain buffer space for the wire. It is not prone to wear when used for a long time, which further ensures the safety of the voice module 104 in use. At the same time, the intermittently arranged guide wall 102-6 can also save the space of the supporting cavity, and facilitate the further expansion of the washing machine functional module.

In this embodiment, the wire 105 connected to the voice module 104 passes through the front panel of the box body 101 through a hinge assembly and is electrically connected to the control module 110. In order not to block the hinge assembly, the inner frame 102-3 is provided with an opening 130 that allows the door hinge assembly to pass through. Specifically, the door hinge assembly includes a hinge body and a hinge rigid shaft. The opening 130 opened on the inner frame 102-3 allows the hinge body to pass through. In order to guide the wire to change direction and enter the hinge assembly, the guide wall 102-6 is intermittently arranged to sequentially form a first wall section 102-331, a second wall section 102-332, and a third wall section 102-333. The first wall sections 102-331 are distributed in an arc shape and are formed between the voice module 104 and the door hinge, and are used to guide the wire 105 connected to the voice module 104 to extend along the second inner frame surface 102-32 to avoid wires and The observation window glass 102-1 overlaps, and the second wall sections 102-332 are approximately vertically distributed along the top-down direction, and are formed on the side of the opening 130 to avoid interference between the wire and the hinge body. The third wall The sections 102-333 are formed under the opening 130, and are used to guide the wires to change the extending direction into the hinge body and pass through the front plate of the box body 101 through the hinge body. Preferably, the lengths of the first wall section 102-331, the second wall section 102-332, and the third wall section 102-333 are decreasing to form the length of the guide wall 102-61 of the first wall section 102-331 The length of the guide wall 102-62 constituting the second wall section 102-332 is smaller than the length of the guide wall 102-62 constituting the second wall section 102-332 is smaller than the length of the guide wall 102 constituting the third wall section 102-333 -63 length, this design takes into account that the bending degree and the number of bending of the wire in the second wall section and the third wall section are significantly larger than the first wall section, and the increasing length can ensure that the wire does not fall off , At the same time play a protective effect on the wire.

The wire 105 is routed and extended along the first wire trough 102-33 until the door hinge assembly is located. The hinge body 103-1 passes through the opening 130 and protrudes from the second inner frame surface 102-32. The hinge body 103-1 is formed with a first cavity 109 that guides and changes the extension direction of the wire 105, and the first cavity 109 communicates with The first through hole 101-27 is opened on the front plate 101-2 of the box body 101, the wire 105 enters the first cavity 109 in the hinge body 103-1 from bottom to top, and is guided through the first through hole 101-27 After passing through the front plate 101-2 of the box body 101, it enters the second wire groove 107-1 from bottom to top, and is connected to the control module 110 provided in the box body 101.

In this way, the rotation of the washing machine door assembly 102 relative to the cabinet 101 will not affect the connection between the voice module 104 and the control module 110, and the wire 105 between the two is completely hidden and invisible, and will not affect the whole washing machine. Or increase the number of external parts of the washing machine box 101. The working environment of the voice module 104 is stable. At the same time, the control module 110 can conveniently form good mechanical and electrical connections with other control components, display components, buttons, etc.

As shown in the figure, in order not to affect the operation of the door hinge assembly, preferably, the first cavity 109 is provided on the lower side of the hinge body 103-1. The basic structure of the first cavity 109 matches the hinge body 103-1. The first cavity 109 is L-shaped. The end of the first cavity 109 close to the front plate is defined as the outlet end 109-2, and the end far away from the front plate is defined as The wire-in end 109-1 and the wire-out end 109-2 communicate with the first through hole 101-27 opened on the board of the box body 101. The wire 105 extending longitudinally from the first wire groove 102-33 enters the first cavity 109 from the wire inlet 109-1. The first cavity 109 is flush with the edge of the hinge body 103-1, and the wire 105 extends horizontally in the first cavity 109 and then protrudes from the outlet end 109-2 after turning 90 degrees. In order to keep the wire 105 stable in the first cavity 109, the first cavity 109 is also provided with a baffle 103-4 for preventing the wire 105 from falling off. As shown in Figure 2, the baffle 103-4 is preferably designed to be L-shaped. Both ends of the baffle 103-4 are respectively provided with clamping parts 103-41. The clamping parts 103-41 are perpendicular to the body of the baffle and extend after assembly. Into the first cavity 109, the wire 105 is prevented from falling off from the first cavity 109.

The inner side of the front plate 101-2 of the box body 101, that is, the side away from the door hinge assembly, is provided with a hinge reinforcement plate 106, and the hinge reinforcement plate 106 is provided with a second through hole 106-1 at a position corresponding to the first through hole 101-27. , The wire 105 is guided through the front plate 101-2 of the box 101 through the first through hole 101-27 and the second through hole 106-1, and then enters the second wire groove 107 formed on the wire plate 107 from bottom to top -1 in. The upper edge of the wire plate 107 is fixedly arranged on the front cross beam 108.

In this embodiment, the wire 105 used to connect the voice module 104 and the control module 110 needs to change the extension direction many times, and the bending part is likely to be broken or broken. The first cavity 109 and the baffle 103-4 have a certain effect. The protective effect. Before entering the first cavity 109, the wire 105 will also form a bottom-up bend. In order to better guide the wire 105, prevent the wire 105 from sliding, and protect it at the same time, it is formed on the hinge plate 102-4 The guiding cavity 102-42 is formed under the groove 102-41 of the hinge plate 102-4 corresponding to the door hinge assembly, and is communicated with the groove 102-41. The guide cavity extends in a direction away from the second inner frame surface 102-32. After the installation is complete, the position of the guide cavity corresponds to the third wall section. When the wire 105 changes direction from bottom to top, the guide cavity can play a good guiding and protective role, ensuring the stability of the connection between the voice module 104 and the control module 110 during long-term use.

In order to achieve the effect that the external design is as simple and beautiful as possible, in this embodiment, the front plate 101-2 of the box body 101 is a sheet metal integrated front plate. Only the dispenser handle 101-22, the display module 101-21, the key module 101-23, and the filter 101-24 are embedded on the front plate 101-2 of the entire box body 101. Preferably, the control module 110 and the display module 101-21 are of an integrated design, the display module 101-21 is on the front plate 101-2 of the box body 101, and the control module 110 is on the inside. The display module can be an LCD display, an LED display or other available display screens. In order to facilitate assembly, the upper edge of the front plate 101-2 of the box body 101 is provided with flanges 101-25 that extend in the same direction as the front plate 101-2 of the box body 101. In the non-assembled state, a certain angle is formed between the flange 101-25 and the front plate 101-2 of the box body 101. Preferably, the included angle is 5 degrees. The front cross beam 108 includes a cross beam body 108-1 and a connecting portion 108-2. The cross beam body 108-1 and the connecting portion 108-2 are perpendicular to each other, and the extending direction of the connecting portion 108-2 is the same as that of the front panel 101-2 of the box body 101. The extension direction is opposite. When assembling, the left and right ends of the beam body 108-1 are first fixedly connected with the box 101 body 101-1 by bolts, and then the connecting portion 108-2 is connected between the flange 101-25 and the front plate 101-2 of the box 101 The middle area extends in, that is, the front plate 101-2 of the box body 101 is suspended on the front cross beam 108 and fixed by bolts to complete the assembly. In this way, the sheet metal integrated front plate is suspended on the front cross beam 108. After the suspension is completed, the flange and the front plate 101-2 of the box body 101 are basically kept parallel, so that the suspension effect is stable and reliable.

Since the front plate 101-2 of the box body 101 is a sheet metal integrated design, in order to achieve a better sound pickup effect, the sound pickup hole is protected at the same time. In this embodiment, the speakers and microphones connected to the voice module 104 are all arranged in the supporting cavity 102-5; the speaker through holes 111-2 and the microphone pickup holes 111-1 are all arranged on the surface 102-5 of the first inner frame. 31 on. Preferably, a microphone array 111 is provided in the supporting cavity 105 to optimize the sound pickup effect of the voice module 104. The microphone array 111 may be a linear array or a circular array. The linear array can distinguish sound source information within 180 degrees, and the circular array can distinguish sound source information within 360 degrees. For drum washing machines, the probability of sound source information coming from below is usually low. Therefore, a linear array is preferably provided, and symmetrical microphone pickup holes 111-1 corresponding to the linear array are provided on the first inner frame surface 102-31. The voice module 104 is preferably arranged at a position above the center line of the washing machine door assembly 102, and a display control module 110 is arranged in the cabinet 101 at the corresponding position. In this way, the inner frame and the front plate 101-2 of the box body 101 can enclose a sound pickup cavity. In order to ensure a sealing effect, a sealing strip is usually provided in the sound pickup cavity. The sound inlet of the sound pickup cavity is formed in the gap between the door assembly 102 of the washing machine and the front plate 101-2 of the cabinet 101, which is highly ergonomic. A more preferred form is to provide a decorative strip 110 at the sound entrance, and a guide hole is designed on the decorative strip, and the guide hole is a blind hole. The guide hole does not have a real sound pickup effect, but instead guides the user to speak toward this area to ensure the use effect of the voice module 104. At the same time play a role in beautifying the appearance.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features thereof are equivalently replaced; these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

To

Claims

A washing machine door assembly, comprising an outer frame and an inner frame arranged around the edge of the observation window assembly. The washing machine door assembly is rotatably connected with the box body through a door hinge assembly to open or close the box for access. Access port for placing clothes; characterized in that the outer frame and the inner frame enclose a supporting cavity, and the voice module is fixedly arranged in the supporting cavity; the voice module is controlled by a wire and set on the cabinet Module connection.
The washing machine door assembly according to claim 1, wherein the outer frame and the inner frame are annular; the inner frame has a first inner frame surface and a second inner frame surface, wherein the first The surface of the inner frame is close to the side of the box body, and the surface of the second inner frame is away from the side of the box body; the voice module is fixed on the surface of the second inner frame, and the surface of the second inner frame is symmetrical A guide wall is provided, and the guide wall protrudes from the surface of the second inner frame and extends in the axial direction; the wire connected with the voice module is arranged between the guide walls.
The washing machine door assembly according to claim 2, wherein the guide wall is intermittently arranged, the guide wall and the surface of the second inner frame enclose a first wire groove, and the wire connected to the voice module runs along The first wire groove is arranged.
The washing machine door assembly according to claim 3, wherein the inner frame is provided with an opening allowing the door hinge assembly to pass through; the guide wall is intermittently arranged to form a first wall section and a second wall in turn. Section and a third wall section; wherein the first wall section is distributed in an arc shape, the second wall section is distributed in a top-down direction, the third wall section is horizontally distributed, and the first wall section A wall section is formed between the voice module and the door hinge assembly, the second wall section is formed on one side of the opening, and the third wall section is formed below the opening.
The washing machine door assembly according to claim 4, wherein the lengths of the first wall section, the second wall section and the third wall section are successively decreased.
The washing machine door assembly according to claim 5, wherein a hinge plate is further provided in the support cavity, a guide cavity is formed on the hinge plate, and the guide cavity is far away from the second inner The direction of the frame surface extends, and the guiding cavity is provided corresponding to the third wall section.
The washing machine door assembly according to claim 6, wherein a microphone or a microphone array is further provided in the supporting cavity.
8. The washing machine door assembly of claim 7, wherein the inner frame is symmetrically provided with microphone pickup holes.
The washing machine door assembly according to claim 8, wherein a speaker is further provided in the supporting cavity, and a speaker through hole is opened on the inner frame.
A drum washing machine, characterized by comprising the washing machine door assembly according to any one of claims 1 to 9.