JP2022526480A - Sound receiving structure for drum washing machines and drum washing machines - Google Patents

Abstract

The present invention provides a sound receiving configuration for a drum washing machine. The sound receiving structure for a drum washing machine includes an audio inlet formed between the washing machine door assembly and the front panel of the housing, and a guide wall extending along the front panel of the housing. A decorative strip is installed at the voice entrance, a blind hole is installed at the decorative strip, a voice module and a microphone assembly are installed at the washing machine door assembly, and the washing machine door assembly is installed at the outer frame. With an inner frame, the inner frame is provided with a microphone through hole corresponding to the microphone assembly, the microphone through hole is arranged towards the guide wall, and a seal strip is provided between the guide wall and the inner frame. Is installed, the guide wall, the seal strip, and the inner frame surround to form a pickup cavity. INDUSTRIAL APPLICABILITY The present invention can reduce the influence on speech recognition caused by factors such as noise, reverberation, human speech interference, and echo in a real environment. The blind hole of the decorative strip installed at the voice entrance can serve as a guide, and the user is guided to output the voice signal to the pickup cavity, the effect of using the voice module is guaranteed, and the voice module and the voice module are used. It is possible to prevent contact with washing water and improve the operational stability of the audio module. [Selection diagram] Fig. 3

Description

The present invention relates to the technical field of a washing device, and particularly to a sound receiving structure for a drum washing machine and a drum washing machine.

Voice-based interactions with the development of mobile internet and artificial intelligence are becoming more and more important and becoming more prevalent. Most speech interaction techniques rely on networks and clouds, and multiple key steps such as back-end speech identification, natural speech processing, speech synthesis, etc. require large amounts of data and computation, and are usually usually It can only be done by the cloud.

However, control of home appliances usually requires only a few simple commands, and a better way is to solidify the command terms in local memory after performing them by algorithm training and model matching. It is not necessary to depend on the Internet when executing voice control, and processing such as calling a subroutine directly locally is performed. The stability and efficiency of offline voice identification is higher than that of online processing methods. If there is a problem with the network, the voice dialogue function can still stay in the working state, the delay in the identification process is small, and the user experience is good.

For the washing machine, the voice module is usually located in the housing, adjacent to the control module, and a microphone pickup hole is provided on the surface of the housing. When this configuration is adopted, factors such as noise, reverberation, human voice interference, and echo in the real environment have a great influence, the signal-to-noise ratio of the recorded signal is low, and the processing difficulty of the algorithm increases. Especially when used for offline voice identification, the identification effect due to the limited computing power of the control chip is further diminished. In addition, since it is inevitable that the washing water comes into contact with the surface of the housing during use of the washing machine, the microphone arranged on the surface of the housing may fail and the stability of the device may be lowered.

The present invention provides a sound receiving structure drum washing machine for a drum washing machine, and reduces the influence on voice identification caused by factors such as noise, reverberation, human voice interference, and echo in a real environment.

A sound receiving structure for a drum washing machine, comprising a voice inlet formed between the washing machine door assembly and the front panel of the housing, and a guide wall extending along the front panel of the housing, said voice inlet. A decorative strip is installed in the decorative strip, a blind hole is installed in the decorative strip, a voice module and a microphone assembly are installed in the washing machine door assembly, and the washing machine door assembly is installed in an outer frame. The inner frame is provided with a microphone through hole corresponding to the microphone assembly, the microphone through hole being arranged toward the guide wall, and the guide wall and the inner frame. A seal strip is installed between them, and the guide wall, the seal strip, and the inner frame surround the guide wall so as to form a pickup cavity.

The blind holes have a guiding effect, are plural, and are evenly distributed on the decorative strip so that the user can clearly see them.

Further, a speaker is installed in the washing machine door assembly, a through hole for a speaker corresponding to the speaker is formed in the inner frame, and the speaker through hole is provided toward the guide wall.

Further, the microphone assembly is an annular microphone array or a linear microphone array.

Preferably, the microphone assembly is a linear microphone array and a symmetrical microphone through hole corresponding to the linear microphone array is provided in the inner frame.

The sound receiving structure for a drum washing machine disclosed in the present invention does not have a microphone through hole in the housing, and can prevent the microphone through hole or the microphone array from being damaged when water is encountered. , The pickup of the voice module and the voice reproduction are guaranteed to be stable, and the user's experience is not affected by the control failure. On the other hand, the pickup cavity jointly surrounded by the inner frame, the seal strip, and the guide wall is a semi-enclosed cavity with only one audio inlet, said pickup cavity is short in length and of audio signal. Since there is little attenuation, a good pickup effect can be obtained, the effects of noise, reverberation, human voice interference, echo, etc. in the real environment can be avoided, the signal-to-noise ratio of the recorded signal can be improved, and further. The control effect can be improved. In addition, a blind hole on a decorative strip located at the voice entrance can serve as a guide, guiding the user to output a voice signal towards the pickup cavity, further ensuring the effectiveness of the voice module. be able to.

Further disclosed, a drum washing machine having a sound receiving structure for a drum washing machine is disclosed, in which the sound receiving structure for a drum washing machine includes an audio inlet formed between the washing machine door assembly and the front panel of the housing, and the housing. It comprises a guide wall that extends along the front panel. A decorative strip is installed at the audio entrance, and a blind hole is installed at the decorative strip. A voice module and a microphone assembly are installed in the washing machine door assembly, the washing machine door assembly includes an outer frame and an inner frame, and the inner frame corresponds to the microphone assembly. A microphone through hole is installed, the microphone through hole is arranged toward the guide wall, a seal strip is installed between the guide wall and the inner frame, and the guide wall, the seal strip, and the like. The inner frame is surrounded so as to form a pickup cavity.

Further, a control module is installed in the housing, and the lead wire is connected to the voice module and the control module through a door hinge assembly fixedly installed in the housing.

Further, the door hinge assembly includes a hinge body, and a first cavity for guiding and changing the extending direction of the lead wire is formed inside the hinge body, and the first cavity is the said. A lead wire communicated with a first through hole provided in the front panel of the housing and connecting the voice module enters the first cavity and is guided by the first through hole to guide the front panel of the housing. After passing through, it is connected to the control module.

Further, a hinge reinforcing plate is installed inside the front panel of the housing, the hinge reinforcing plate is provided with a second through hole, and the lead wire has the first through hole and the second through hole. Guided by, after passing through the front panel of the housing, it enters and extends into a second lead slot formed in the lead plate, is connected to the control module, and the lead plate is fixed to the front cross beam. Are linked together.

Further, the front panel of the housing is an integrated front plate made of sheet metal, and the front panel of the housing is installed so as to fit a dispenser handle, a display module, a key module, and a filter.

The present invention discloses a drum washer, which can reduce the effects of factors such as noise, reverberation, human voice interference, and echo in the real environment on voice recognition, while voice modules and cleaning. Contact with water can be effectively prevented, the operational stability of the voice module is improved, and the life of the voice module is extended.

In order to more clearly explain the technical solution of the embodiment or the prior art of the present invention, the drawings necessary for the description of the embodiment or the prior art will be briefly described next. The accompanying drawings are some embodiments of the present invention, and other drawings can be obtained from these drawings on the premise that no creative ingenuity is required for those skilled in the art.

It is a block diagram from the 1st viewing angle of the washing machine door assembly in the drum washing machine which concerns on this invention. It is a block diagram from the 2nd viewing angle of the washing machine door assembly in the drum washing machine which concerns on this invention. It is sectional drawing of the washing machine door assembly in a drum washing machine. It is a partially enlarged simplified view of A1 in FIG. 3 to show a sound receiving structure. It is an exploded view of the door assembly of a washing machine. It is a partially enlarged schematic diagram which shows the specific structure of the 1st lead wire slot. It is a partially enlarged schematic diagram which shows the concrete structure of the 1st wall part. It is a block diagram of the hinge plate. It is a partially enlarged schematic view of the guide cavity of a hinge plate. It is a block diagram of the open state of the door assembly of the washing machine which concerns on this invention. It is an exploded view of the connection structure of a voice module and a control module. It is a schematic block diagram of the voice module, the door hinge assembly, and the control module in the connected state of the drum washing machine which concerns on this invention. It is a block diagram of the hinge assembly. It is a schematic diagram which shows the structure of the housing body in the state which is not suspended. It is a schematic diagram which shows the structure of the housing body in the suspended state.

Next, an embodiment of the present invention will be described in detail. Examples of specific embodiments are shown in the accompanying drawings. Here, similar or the same elements or elements having similar or the same function are indicated by similar or the same reference numerals. The embodiments described below with reference to the drawings are exemplary and are intended to be used to illustrate the invention, but should not be construed as a limitation of the invention.

It should be understood that in the description of the present invention, the structural terms "center", "vertical", "horizontal", "length", "thickness", "top", "bottom", and "position" indicating the position. Front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The term facilitates description and understanding of the present invention based on the orientation or positional relationship shown in the drawings. The device or element indicated explicitly or implicitly must have a particular orientation and does not indicate that it is constructed and operated in a particular orientation. Therefore, the invention should not be understood as limiting the invention.

Also, the terms "first" and "second" are used only to describe, either explicitly or implied relative importance, or implied by the number of technical features. It should not be interpreted as a thing. In this way, the features limiting the "first" and "second" can explicitly or implicitly include one or more. In the description of the present invention, the meaning of "plurality" is 2 or 2 or more, unless otherwise explicitly and specifically limited.

It should be noted that in the description of the present invention, the terms "mounting", "installation", and "connection" should be broadly interpreted unless otherwise specified or limited. For example, it may be configured as follows and may be fixedly connected, detachably connected, integrally connected, mechanically or electrically connected. It may be directly connected, indirectly connected via an intermediate medium, or communicated with the inside of the two elements. For those skilled in the art, the above terms are understood as specific meanings in the present invention, depending on the specific circumstances.

Next, the sound receiving structure for the drum washing machine according to the embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5. Specifically, the sound receiving structure for the drum washing machine is formed on the sound inlet 201 formed between the washing machine door assembly 102 and the front panel of the housing 101 and the front panel of the housing 101, and is formed on the front panel of the housing 101. A guide wall 202, which extends along the front panel of the. A voice module 104 and a microphone assembly 111 are installed in the washing machine door assembly 102, and the microphone assembly is preferably a microphone array so as to optimize the pickup effect of the voice module 104. The microphone array may be a linear array or an annular array, the linear array can recognize sound source information within 180 degrees, and the annular array can recognize sound source information within 360 degrees. In a drum washing machine, the probability of sound source information from the bottom is generally small. Therefore, it is preferable to provide a linear array. The washing machine door assembly 102 includes an outer frame 102-2 and an inner frame 102-3, and the inner frame 102-3 is provided with a microphone through hole 111-1 corresponding to the microphone assembly 111. The microphone through hole 111-1 is arranged toward the guide wall 202, and if it is a linear array, the symmetrical microphone through hole 111-1 corresponding to the linear microphone array is the inner frame 102. It is provided in -3. A seal strip 203 is installed between the guide wall 202 and the inner frame 102-3, and the seal strip 203 and the inner frame 102-3 form a pickup cavity 200 on the guide wall 202. Surrounding to do. A decorative strip 300 is installed in the audio entrance 201, and a blind hole 301 is installed in the decorative strip 300. Preferably, the blind holes 301 are plural and are evenly distributed on the decorative strip 300. The sound receiving structure for a drum washing machine disclosed in the present invention does not have a microphone through hole in the housing, and the microphone through hole or the microphone array causes damage when it encounters water. This can be avoided, ensuring good stability in audio module pickup and audio playback, and control failures do not affect the user experience. On the other hand, the pickup cavity jointly surrounded by the inner frame, the seal strip, and the guide wall is a semi-enclosed cavity with only one audio inlet (the audio signal indicated by the dashed arrow in FIG. 4 is the pickup cavity. The length of the pickup cavity is short, and the attenuation of the audio signal is small, so a good sound receiving effect can be obtained, and noise, reverberation, human audio interference, echo, etc. in the real environment can be obtained. It is possible to avoid the influence of the noise, improve the signal-to-noise ratio of the recorded signal, and further improve the control effect. In addition, a blind hole on a decorative strip located at the voice entrance can serve as a guide, guiding the user to output a voice signal towards the pickup cavity, further ensuring the effectiveness of the voice module. be able to.

Further, a speaker is installed in the washing machine door assembly 102. The inner frame 102-3 is provided with a speaker through hole 111-2 corresponding to the speaker. It is preferable that the speaker through hole 111-2 is provided toward the guide wall 202. The audio signal synthesized by the audio module 104 propagates to the external space by the pickup cavity 200 and the audio inlet 201. The speaker through hole and the microphone chromon through hole preferably include a partial through hole and a partial blind hole. It is possible to meet the needs of the exterior design and make the design visible to the user more aesthetically pleasing.

Further, the present invention discloses a drum washing machine, and a sound receiving structure for the drum washing machine is installed. Next, the drum washer according to the embodiment of the present invention will be described in detail together with the drawings. As shown in FIGS. 1, 2, 11 and 17, it is similar to a conventional drum washing machine. The drum washer disclosed in the present invention includes a housing 101, a door hinge assembly 103, and a washer door assembly 102. Specifically, the front side of the housing 101 has a pick-and-place opening, which is formed in the front panel of the housing 101. The user moves clothing in and out through the pick-and-place opening. The door hinge assembly 103 is installed on one side of the front panel 101-2 of the housing 101. The door hinge assembly 103 includes a hinge main body 103-1 and a hinge rigid shaft 103-2, and the hinge main body 103-1 is fixedly connected to the front panel of the housing 101, and the hinge rigid shaft 103-2 is connected to the hinge rigid shaft 103-2. A shaft sleeve 103-3 is installed. 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 installed around the edge of the observation window assembly 102-1 and are arranged so as to surround the inner support cavity 105. A hinge plate 102-4 is installed in the support cavity 105. For convenience of explanation, the side surface of the inner frame 102-3 adjacent to the housing 101 is the first inner frame surface 102-31, and the side surface of the inner frame 102-3 away from the housing 101 is the first. It is defined as the inner frame surface 102-32 of 2. That is, the surface on which the inner frame 102-3 is located inside is the first inner frame surface 102-31, and the surface on which the inner frame 102-3 is located on the outside is the first surface with respect to the position where the drum washing machine is used. 2 inner frame surface 102-32. The washing machine door assembly 102 is connected to the door hinge assembly 103 by a hinge plate 102-4, the washing machine door assembly 102 is rotatably connected to the housing 101, and the opening 130 is opened and closed to facilitate user operation. .. To facilitate mechanical and electrical connections, a control module 110 for controlling components corresponding to the drum washer (eg, moving parts of the washer, keys or display modules, etc.) is installed on the housing 101. Is preferable.

The drum washing machine disclosed in the present embodiment, which is completely different from the prior art, further includes a sound receiving structure. As shown in FIGS. 3 to 6, specifically, the sound receiving structure is formed in the voice inlet 201 formed between the washing machine door assembly 102 and the front panel of the housing 101, and the front panel of the housing 101. With a guide wall 202 extending along it, the guide wall 202 bends inward of the housing 101 and has a constant arc degree. A voice module 104 and a microphone assembly are installed in the washing machine door assembly 102. The audio module 104 and the control module 110 are connected by a conducting wire 105. Specifically, the voice module 104 can perform a plurality of functions such as voice input, voice recognition, voice storage, voice synthesis, and voice reproduction. The voice recognition technique is widely used in the field of smart homes and home appliances and is well known to those skilled in the art, and is not a protection point of the present invention. Here, the specific algorithms of chip, speech recognition, and speech synthesis used in the speech module 104 are not further limited. The microphone assembly is preferably a microphone array, optimizing the pickup effect of the voice module 104. The microphone array may be a linear array or an annular array, the linear array can recognize the sound source information within 180 degrees, and the annular array can recognize the sound source information within 360 degrees. In a drum washing machine, the probability that the sound source information is from below is generally small. Therefore, it is preferable to install a linear array. When a linear array is used, the microphone through hole 111-1 corresponding to the linear array is symmetrically installed with the inner frame 102-3 at the position corresponding to the linear array. In order to ensure the sound receiving effect, the mechanical and electrical connections of the control module 110 are facilitated, and in this embodiment, the voice module 104 is fixedly arranged on the second inner frame surface 102-32. Has been done. The audio module 104 is preferably installed above the centerline of the washing machine door assembly 102 and is consistent with the control module installed at the centerline of the front panel of the housing 101, with a design principle of ergonomic design. It is filled. On the surface 102-31 of the first inner frame, symmetrical microphone through holes 111-1 corresponding to the linear array are installed. The microphone through hole is provided toward the guide wall 202, and is jointly surrounded by the seal strip 203, the guide wall 202, and the inner frame 102-3 between the guide wall 202 and the inner frame 102-3. The pick-up cavity 200 is installed. Further, a decorative strip 300 is installed at the voice entrance 201, and a blind hole 301 is installed at the decorative strip 300. The number of blind holes 301 is preferably plural, and the blind holes 301 are evenly installed on the decorative strip 300. The drum-type washing machine disclosed in the present invention can prevent the user from seeing the microphone through hole from the outside and cause damage when the microphone through hole or the microphone array encounters water. It ensures good and stable audio module pickup and audio playback, and does not affect the user's experience due to control failures. On the other hand, the pickup cavity jointly surrounded by the inner frame, the seal strip, and the guide wall is a semi-enclosed cavity with only one audio inlet (the audio signal indicated by the dashed arrow in FIG. 4 is the pickup cavity). Since the length of the pickup cavity is short and the attenuation of the audio signal is small, a good sound receiving effect can be obtained, and noise, reverberation, human audio interference, echo, etc. in the real environment can be obtained. It is possible to avoid the influence of the above, improve the signal-to-noise ratio of the recorded signal, and further improve the control effect. In addition, a blind hole on a decorative strip located at the voice entrance can serve as a guide, guiding the user to output a voice signal towards the pickup cavity, further ensuring the effectiveness of the voice module. be able to.

Further, a speaker is installed in the washing machine door assembly 102. The inner frame 102-3 is provided with a speaker through hole 111-2 corresponding to the speaker. It is preferable that the speaker through hole 111-2 is provided toward the guide wall 202. The audio signal synthesized by the audio module 104 propagates to the external space by the pickup cavity 200 and the audio inlet 201. The speaker through hole and the microphone chromon through hole preferably include a partial through hole and a partial blind hole. It is possible to meet the needs of exterior design and to satisfy the user-visible design more aesthetically.

As shown in FIGS. 7-8, the present invention discloses a drum washing machine having a hidden sound receiving configuration. Guide walls 102-6 are symmetrically installed on the surface 102-32 of the second inner frame. 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. A conductor 105 connected to the audio module 104 is provided between the guide walls 102-6. A guide wall 102-6 is installed on the surface 102-32 of the second inner frame. The connection between the audio module 104 and the control module 110 is guaranteed to be stable and the usage stability of the audio module 104 is improved, while the image recognition module, the distance recognition module, and others are in the support cavity. A biometric module can also be installed, and the guide wall 102-6 can prevent the lead wire between the voice module 104 and the control module 110 from interfering with other functional modules. At the same time, the guide wall 102-6 can increase the strength of the inner frame 102-3.

During the washing process of the drum washing machine, the washing machine door assembly 102 can be opened and closed with respect to the housing 101. Therefore, the conductors can be displaced to some extent and wear can occur over a long period of time. In order to reduce the wear of the lead wire, in this embodiment, the guide wall 102-6 is intermittently installed, and the guide wall 102-6 is intermittently installed, and the surface of the second inner frame 102-32. By being surrounded, the first lead wire slot 102-33 can be formed, and the contact area between the lead wire and the first lead wire slot 102-33 can be reduced. The width of the first lead slot 102-33 is larger than the diameter of the lead, preferably 1.5 to 2 times the diameter of the lead. The first lead slot 102-33 formed by the intermittently installed guide walls 102-6 can function as a guide, while the first lead slot 102-33 keeps the lead constant. Having a cushioning space makes it less likely that wear will occur when used for a long period of time, and further, it is possible to ensure the safety of using the voice module 104. At the same time, the intermittently installed guide walls 102-6 can also save space in the support cavity, facilitating further expansion of the washing machine functional module.

In this embodiment, the lead wire 105 connected to the voice module 104 passes through the front panel of the housing 101 via a hinge assembly and is electrically connected to the control module 110. Since no barrier is created in the hinge assembly, an acceptable opening 130 is provided on the inner frame 102-3 through the door hinge assembly 103. Guide walls 102-6 are intermittently placed to guide the leads into the hinge assembly to change direction, first wall segment 102-331, second wall segment 102-332, and third. Wall segments 102-333 and are formed. Here, the first wall segment 102-331 has an arc shape, is formed between the voice module 104 and the door hinge assembly 103, and the lead wire 105 for guiding the connection with the voice module 104 is inside the second. Extending along the frame surface 102-32 and avoiding overlap between the leads and the observation window glass 102-1, the second wall segment 102-332 is distributed approximately vertically from top to bottom and is an opening. It is formed on one side of the 130 and is used to avoid interference between the lead wire and the hinge body. A third wall segment 103-333 is formed below the opening 130 and passes through the front panel of the housing 101 through the hinge body to guide the wire and enter the hinge body to change the extending direction. is doing. Preferably, the lengths of the first wall segment 102-331, the second wall segment 102-332, and the third wall segment 102-333 are decremented to form the guides constituting the first wall segment 102-331. The length of the wall 102-61 is shorter than the length of the guide wall 102-62 constituting the second wall segment 102-332, and the length of the guide wall 102-62 constituting the second wall segment 102-332. Is shorter than the length of the guide walls 102-63 constituting the third wall segment 102-333. The degree of bending of the lead wire between the second wall segment and the third wall segment and the number of bends are designed to take into account that the number of bends is significantly larger than that of the first wall segment, and the length of the increment is the lead wire. Can be ensured that it does not fall off.

The lead wire 105 extends along the first lead wire slot 102-33 to the location of the door hinge assembly 103. The hinge body 103-1 passes through the opening 130 and projects from the second inner frame surface 102-32. Inside the hinge body 103-1 is formed a first cavity 109 that guides and changes the extending direction of the conducting wire 105. The first cavity 109 communicates with the first through hole 101-27 provided in the front panel 101-2 of the housing 101. The lead wire 105 enters the first cavity 109 in the hinge body 103-1 from the lower side to the upper side, is guided through the first through hole 101-27, passes through the front panel 101-2 of the housing 101, and then passes through the front panel 101-2 of the housing 101. It enters the second lead slot 107-1 from the bottom to the top and is connected to the control module 110 installed in the housing 101.

By adopting such a method, the rotation of the washing machine door assembly 102 with respect to the housing 101 does not affect the connection between the voice module 104 and the control module 110. The conductor 105 between the two is completely hidden and invisible, does not affect the overall appearance of the washing machine, and does not increase the number of external parts of the washing machine housing 101. The operating environment of the audio module 104 becomes stable, and at the same time, the control module 110 easily forms good mechanical and electrical connections with other control components, display components, keys and the like.

As shown in the figure, preferably, the first cavity 109 is arranged under the hinge body 103-1 so as not to affect the operation of the door hinge assembly 103. The basic configuration of the first cavity 109 is consistent with the hinge body 103-1. The first cavity 109 is L-shaped. One end of the first cavity 109 closer to the front panel is defined as the wire exit end 109-2, and one end of the first cavity 109 away from the front panel is defined as the wire inlet end 109-1. The wire outlet end 109-2 communicates with a first through hole 101-27 provided in the front panel of the housing 101. The conductor 105 extending longitudinally from the first conductor slots 102-33 enters the first cavity 109 from the wire inlet end 109-1. The first cavity 109 is flush with the edge of the hinge body 103-1. The conductor 105 extends horizontally in the first cavity 109 and extends from the wire outlet end 109-2 after 90 degree rotation. In order to stabilize the lead wire 105 in the first cavity 109, the first cavity 109 is provided with a baffle plate 103-4 for preventing the lead wire 105 from falling off. As shown in FIG. 2, the baffle plate 103-4 is preferably designed in an L shape. Clamp portions 103-41 are provided at both ends of the baffle plate 103-4. The clamp portion 103-41 is perpendicular to the baffle plate body. After assembly, it is inserted into the first cavity 109 to prevent the conductor 105 from falling out of the first cavity 109.

A hinge reinforcing plate 106 is provided inside the front panel 101-2 of the housing 101, that is, on one side away from the door hinge assembly 103. A second through hole 106-1 is provided at a position where the hinge reinforcing plate 106 corresponds to the first through hole 101-27. The conductor 105 is guided through the first through hole 101-27 and the second through hole 106-1 and passes through the front panel 101-2 of the housing 101, and then is formed on the conductor plate 107 from the lower side to the upper side. It is inserted into the second conductor slot 107-1. The upper edge of the conductor plate 107 is fixedly installed on the front cross member 108.

In the present embodiment, the lead wire 105 used for connecting the voice module 104 and the control module 110 needs to change the extending direction a plurality of times, and the bent portion is likely to be broken or broken. The first cavity 109 and the baffle 103-4 have a certain protective effect. Before entering the first cavity 109, the lead wire 105 is bent from bottom to top. Guide cavities 102-42 are formed on the hinge plate 102-4 to better guide the conductor 105 and prevent sliding of the conductor 105 while at the same time protecting it, as shown in FIGS. 9 and 10. The guide cavity 102-42 is formed in the lower part of the groove 102-41 of the door hinge assembly 103 to which the hinge plate 102 corresponds and matches, and communicates with the groove 102-41. The guide cavity extends away from the second inner frame surface 102-32. After mounting, the location of the guide cavity corresponds to the third wall segment. When the conductor 105 is turned from bottom to top, the guide cavity can provide good guidance and protection, and the stability of the connection between the voice module 104 and the control module 110 during long-term use. To secure.

In order to achieve the effect of providing an external design with a concise and beautiful appearance, in this embodiment, as shown in FIG. 13, the front panel 101-2 of the housing 101 is a single front panel made of sheet metal. Only the dispenser handle 101-22, the display module 101-21, the key module 101-23, and the filter 101-24 are fitted and installed on the front panel 101-2 of the entire housing 101. Preferably, the control module 110 and the display module 101-21 are designed integrally. The display module 101-21 is located on the front panel 101-2 of the housing 101. The control module 110 is inside. The display module may be an LCD display screen, an LED display screen, or any other available display screen. To facilitate assembly, a flange 101-25 is installed on the upper edge of the front panel 101-2 of the housing 101 in the same direction as the extending direction of the front plate 101-2 of the housing 101. In the non-assembled state, a predetermined angle is formed between the flange 101-25 and the front panel 101-2 of the housing 101. Preferably, the angle is 5 degrees. The front cross member 108 includes a cross member main body 108-1 and a connecting portion 108-2, and the cross member main body 108-1 and the connecting portion 108-2 are orthogonal to each other. The extending direction of the connecting portion 108-2 is opposite to the extending direction of the front panel 101-2 of the housing 101. At the time of assembly, the left end portion and the right end portion of the assembly cross member main body 108-1 are first fixedly connected to the main body 101-1 of the housing 101 via bolts. The connecting portion 108-2 then extends a region between the flange 101-25 and the front panel 101-2 of the housing 101. That is, the front panel 101-2 of the housing 101 is suspended from the front cross member 108 and fixed by bolts to complete the assembly. By adopting such a method, that is, one front panel made of sheet metal is suspended on the front cross member 108. After completing the suspension, the flange and the front panel 101-2 of the housing 101 remain approximately parallel, and the suspension effect is stable and reliable.

The drum-type washing machine disclosed in the present invention is guaranteed to have a concise appearance, and at the same time, the operation stability of the voice module is improved by the connection method between the voice module and the control module, which is specially designed. Let me. After increasing the connection configuration, the control module can be conveniently mechanically and electrically connected to other functional components in the housing and does not affect the normal opening and closing of the door body. The drum washing machine disclosed in the present invention has high operational stability, good practicality, and an attractive appearance.

Finally, the following should be noted: The above embodiments are used only, but are not limited to, to illustrate the technical solutions of the present invention. Although the invention has been described in detail with reference to the above embodiments, one of ordinary skill in the art modifies the technical solution described in the above embodiments or is equivalent to some of the technical features therein. It is also possible to replace with. These changes or substitutions do not deviate from the spirit and scope of the technical solutions of the various embodiments of the invention from the nature of the corresponding technical solution.

Claims (10)

Sound receiving structure for drum washing machines
It comprises a voice inlet formed between the washing machine door assembly and the front panel of the housing and a guide wall extending along the front panel of the housing.
A decorative strip is installed at the voice entrance.
A blind hole was installed in the decorative strip.
A voice module and a microphone assembly are installed in the washing machine door assembly, the washing machine door assembly includes an outer frame and an inner frame, and the inner frame corresponds to the microphone assembly. A microphone through hole is installed, the microphone through hole is arranged toward the guide wall, a seal strip is installed between the guide wall and the inner frame, and the guide wall, the seal strip, and the like. The inner frame surrounds the inner frame so as to form a pickup cavity.
The sound receiving structure for drum washing machines is characterized by this. The sound receiving structure for a drum washing machine according to claim 1, wherein the blind holes are a plurality and are evenly distributed on the decorative strip. A speaker is installed in the washing machine door assembly, a speaker through hole corresponding to the speaker is installed in the inner frame, and the speaker through hole is provided toward the guide wall. The sound receiving structure for a drum washing machine according to claim 2. The sound receiving structure for a drum washing machine according to claim 3, wherein the microphone assembly is an annular microphone array or a linear microphone array. The sound receiving structure for a drum washing machine according to claim 4, wherein the microphone assembly is a linear microphone array, and a symmetrical microphone through hole corresponding to the linear microphone array is provided in the inner frame. .. It ’s a drum washing machine,
A drum washing machine comprising the sound receiving structure for a drum washing machine according to any one of claims 1 to 5. The drum according to claim 6, wherein a control module is installed in the housing, and the lead wire passes through a door hinge assembly fixedly installed in the housing and is connected to the voice module and the control module. washing machine. The door hinge assembly includes a hinge body, and a first cavity for guiding and changing the extending direction of the conductor is formed inside the hinge body.
The first cavity communicates with a first through hole provided in the front panel of the housing.
The lead wire connecting the audio module enters the first cavity in the previous period, is guided by the first through hole, passes through the front panel of the housing, and then is connected to the control module. The drum washing machine according to claim 7. A hinge reinforcing plate is installed inside the front panel of the housing, the hinge reinforcing plate is provided with a second through hole, and the conductor is guided by the first through hole and the second through hole. After passing through the front panel of the housing, it enters and extends into a second conductor slot formed in the conductor plate, is connected to the control module, and the conductor plate is fixedly connected to the front cross beam. The drum washing machine according to claim 8, wherein the drum washing machine is characterized by the above. The front panel of the housing is an integrated front plate made of sheet metal, and the front panel of the housing is characterized by being installed so as to fit a dispenser handle, a display module, a key module, and a filter. The drum washing machine according to claim 9.

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