CN217447647U

CN217447647U - Cleaning device

Info

Publication number: CN217447647U
Application number: CN202221138062.5U
Authority: CN
Inventors: 石天娥; 吴亚东; 蔡海宁
Original assignee: Dreame Technology Suzhou Co ltd
Current assignee: Dreame Technology Suzhou Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-09-20
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a cleaning device with voice interaction function, which comprises a casing; the noise collector is arranged in the shell and used for collecting noise signals generated by the cleaning equipment; the voice collector is arranged outside the shell and is used for collecting voice signals; a processor configured to extract a user instruction based on the initial voice signal and the noise signal; and a controller configured to control the cleaning device based on a user instruction; the noise collector has a collection portion, and the collection portion is close to the noise source setting, and the central line of collection portion and the central line of noise source tend to collineation or collineation. The cleaning equipment can reduce the interference of noise generated during working on the voice interaction function, so that the awakening rate of the cleaning equipment is improved. Simultaneously, when different working faces work, the noise collector can accurately collect noise emitted by the noise source, so that the noise collector is not influenced by the types of the working faces, and the use efficiency is improved.

Description

Cleaning device

Technical Field

The utility model belongs to the technical field of cleaning device, concretely relates to cleaning device.

Background

With the development of technology, various robots with voice interaction functions, such as floor sweeping robots, floor mopping robots, dust collectors, etc., have appeared. The robots can receive voice instructions input by a user through the voice recognition system to execute the operation indicated by the voice instructions, so that not only is labor saved, but also labor cost is saved.

In the related art, the robot may receive a voice command input by a user, and then recognize the input voice command through its own voice recognition system to control the robot to perform an operation instructed by the voice command. However, when the robot works, the working components of the robot can generate a lot of noises, so that the voice interaction of the robot is greatly interfered, and the awakening rate of the robot is low.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that cleaning equipment can send a large amount of noises at the during operation, the voice interaction function to cleaning equipment causes very big interference, leads to cleaning equipment's awakening rate low.

In order to solve the technical problem, the utility model provides a cleaning device has the voice interaction function, include:

a housing;

the noise collector is arranged in the shell and used for collecting noise signals generated by the cleaning equipment;

the voice collector is arranged outside the shell and is used for collecting voice signals;

a processor configured to extract the user instruction based on the voice signal and the noise signal; and

a controller configured to control the cleaning device based on the user instruction;

the noise collector is provided with a collecting part, the collecting part is arranged close to a noise source, and the central line of the collecting part and the central line of the noise source tend to be collinear or collinear.

Preferably, the noise collector further comprises a clamping portion for clamping the collecting portion, and a center line of the clamping portion and a center line of the collecting portion tend to be collinear or collinear.

Preferably, the clamping part comprises a plurality of clamping arms arranged on the inner wall of the shell, the clamping arms surround to form a clamping space, and the acquisition part is clamped in the clamping space.

Preferably, the clamping part is provided with a limiting structure, and the limiting structure limits the collection part to move in the clamping space.

Preferably, the limiting structure comprises a first limiting body and a second limiting body;

the first limiting body limits the acquisition part to rotate along the axis of the acquisition part in the clamping space; the second limiting body limits the collection part to move along the axis direction of the clamping arm.

Preferably, the noise source includes a negative pressure generator disposed within the housing, and a center line of the collecting portion and a center line of the negative pressure generator tend to be collinear or collinear.

Preferably, the collecting part is located between the voice collector and the negative pressure generator.

Preferably, the voice collector is located at the top of the casing, and the collecting part is located above the negative pressure generator.

Preferably, a guard is disposed outside the housing, a receiving cavity is formed between the guard and the housing, the voice collector is received in the receiving cavity, and the guard is provided with a plurality of through holes to communicate the receiving cavity with the outside.

Preferably, the center line of the voice collector and the center line of the through hole tend to be collinear or collinear.

The technical scheme provided by the utility model, following advantage has: the cleaning equipment is provided with the voice collector, the noise collector, the processor and the controller, the voice signal and the noise signal are processed through the processor to extract a user instruction after noise reduction, and the cleaning equipment is controlled to work through the controller according to the user instruction, so that interference of noise generated by the cleaning equipment during working on a voice interaction function can be reduced, and the awakening rate of the cleaning equipment is improved; simultaneously, the collection part of the noise collector is close to the noise source, and the central line of the collection part and the central line of the noise source tend to be collinear or collinear, so that when the cleaning equipment works on different working faces, the noise collector can accurately collect noise emitted by the noise source, the noise collector is not influenced by the types of the working faces, and the use efficiency of the cleaning equipment is further improved.

Drawings

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

Fig. 1 is a schematic right-view structural diagram of a cleaning device according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic exploded view of A shown in FIG. 1;

FIG. 3 is a schematic bottom view of the cleaning apparatus shown in FIG. 1;

fig. 4 is an enlarged schematic structural view of the noise collector shown in fig. 3.

Description of reference numerals:

1-noise collector; 11-a collecting part; 12-a gripper arm; 121-long arm; 122-short arm; 2-voice collector; 3-a processor; 5-a protective part; 51-a body portion; 52-docking station; 6-a limiting structure; 61-a first limiting part; 62-a second limiting part; 8-through holes; 9-bolt; 10-a housing; 101-spacer block.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In this application, where the contrary is not intended, directional words such as "upper, lower, top and bottom" are generally used with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, vertical or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the application.

The cleaning device of the embodiment is used for performing a cleaning action on a surface to be cleaned to achieve a cleaning effect on the surface to be cleaned, and the surface to be cleaned can be the ground with different roughness degrees or the surface of an object to be cleaned. The cleaning action can be a dust suction action, a floor mopping action or a simultaneous dust suction and floor mopping action. The type of the cleaning surface, the type of the cleaning device, and the executable cleaning action are not specifically limited, and in this embodiment, the cleaning device is taken as a sweeper with a dust collection function as an example for explanation.

Specifically, the sweeper includes a sweeping assembly (not shown). The cleaning assembly comprises a cleaning unit and a driving unit for driving the cleaning unit, and the cleaning unit is driven by the driving unit to be in contact with the surface to be cleaned so as to perform cleaning action. The type of the cleaning unit can be adjusted according to the type of the surface to be cleaned or the cleaning action which can be executed by the sweeper, such as a rolling brush. The driving unit can be adjusted according to the type of the cleaning unit, such as a motor, a cylinder, etc. When the driving unit is a motor, the motor can be directly connected with the cleaning unit; when the driving unit is an air cylinder, the driving unit is connected with the cleaning unit through a transmission piece. Wherein, the transmission unit may be a gear transmission or the like to convert the linear motion of the cylinder into a rotational motion. The structure of the transmission unit is a conventional structure, and is not described herein.

The sweeper further comprises a negative pressure generator (not shown) adapted to generate a negative pressure and a dirt storage unit (not shown) for storing dirt. The negative pressure generator is matched with the dirt storage unit so that the negative pressure generator generates negative pressure in the dirt storage unit, and then outside dirt enters the dirt storage unit to be stored, and the dust collection effect of the sweeper is guaranteed.

The negative pressure generator may be a fan, which is an integrated arrangement of a drive motor and fan blades. Alternatively, the negative pressure generator may be provided separately for the driving motor and the fan blade, and the fan blade may be provided on the output shaft of the driving motor.

The dirt storage unit may be a dust box for storing dust and debris, which may be used only to store solid dirt. Alternatively, the dust box has at least two separation chambers, wherein one separation chamber is adapted to perform solid-liquid separation to store solid dirt and the other separation chamber is adapted to store liquid dirt.

The dirt storage unit can also be a dust box and a sewage bucket which are independently arranged, dirt is primarily separated in the dust box, so that solid dirt falls and is stored in the dust box, and liquid dirt enters the sewage bucket and is stored.

In order to facilitate the user to operate the sweeper, please refer to fig. 1 to 3, the sweeper has a voice interaction function. Specifically, the sweeper comprises a shell 10, a voice collector 2 for collecting user instructions, a processor 3 in signal connection with the voice collector 2 and a controller. The processor 3 is used for receiving the signal of the voice collector 2 and extracting a user instruction, and the controller controls the sweeper to operate corresponding functions based on the user instruction. The processor 3 may be a single chip microcomputer, a logic circuit, or an existing control program, so as to extract the user instruction in the voice collector 2, which is not limited in this application. The controller is a single chip microcomputer or a control circuit and the like, is in a conventional arrangement, and is not described herein.

Conventionally, when the sweeper works, a plurality of noise sources are formed on the sweeper, for example, the rotation of fan blades in the negative pressure generator, air friction and the work of the driving motor can generate noise, or the sweeper can generate noise when moving, or external dirt, hair can be wound and stuck on the sweeping assembly to generate noise, so that the voice collector 2 collects user instructions, and the noise generated by the noise sources is collected and received by the voice collector 2 and sent to the processor 3, thereby influencing the use effect of the voice interaction function. In the present embodiment, the negative pressure generator is specifically described as a noise source.

In order to avoid the noise emitted by the negative pressure generator from influencing the use of the voice interaction function, the sweeper is further provided with a noise collector 1, and the noise collector 1 is used for collecting the noise emitted by the negative pressure generator. The processor 3 receives the voice signal collected by the voice collector 2 and the noise signal collected by the noise collector 1, wherein the voice signal collected by the voice collector 2 contains a user instruction. After the processor 3 receives the voice signal and the noise signal, a user instruction is extracted based on the voice signal and the noise signal, so that the interference of noise generated by the negative pressure generator on the voice interaction function is reduced. For example, the band of the noise signal is a band that does not change for a duration, and the band of the voice signal is a band that changes for a duration, and the processor 3 analyzes whether the band changes for a duration, and masks the noise signal to extract the voice signal.

It should be noted that, the number and arrangement of the noise collectors 1 and the voice collectors 2 are not limited in this application. In this embodiment, the noise collector 1 and the voice collector 2 are both silicon microphones. The silicon microphone adopts the prior art, is a miniature sensor, mainly utilizes the change of sound to produce pressure along with, and the silicon microphone vibrating diaphragm deforms along with the gradient of pressure to make the capacitance value between the acoustic vibrating diaphragm and the silicon back plate change, and the capacitance value can change along with the change of capacitance voltage conversion circuit, and then the circuit is amplified, and the voltage is amplified through the mems sensor to form a voltage signal. The structure and operation of the silicon microphone are well known to those skilled in the art and will not be described in detail herein.

As can be seen from the foregoing, the negative pressure generator is disposed in the casing 10, and in order to reduce the influence of the casing 10 on the collecting effect of the noise collector 1 to improve the noise collecting efficiency, in this embodiment, the noise collector 1 is disposed in the casing 10 and is disposed close to the negative pressure generator. Specifically, noise collector 1 has collecting part 11, and collecting part 11 is disposed close to the noise source.

In order to improve the accuracy of the noise collector 1 in receiving noise, the center line (shown by arrow B) of the collecting part 11 and the center line of the negative pressure generator tend to be collinear or collinear, so that when the sweeper works on different working surfaces or performs different cleaning actions, the noise collector 1 can accurately collect the noise emitted by the negative pressure generator, the noise collector 1 is not affected by the type of the working surface or the type of the cleaning action performed by the sweeper, and the use effect of the voice interaction function of the sweeper is improved. The center line of the collecting section 11 and the center line of the negative pressure generator are arranged along the longitudinal direction (indicated by arrow a) of the housing 10, and the negative pressure generator is not shown in the figure. However, in practical application, after the negative pressure generator is installed, the characteristic that the center line (indicated by arrow B) of the collecting part 11 and the center line of the negative pressure generator tend to be collinear or collinear should be maintained to ensure the using effect of the voice interaction function of the sweeper.

As described above, referring to fig. 3 and the drawings, in order to fix the collecting part 11 on the casing 10 and to make it close to the negative pressure generator, the noise collector 1 further includes a holding part for holding the collecting part 11. The clamping portion and the housing 10 may be integrally formed, or fixed by a fixing member, or a fixing structure is disposed between the clamping portion and the housing 10, which is not limited to this example.

In order to enhance the structural stability of the noise collector 1, in the present embodiment, the center line of the gripping portion and the center line of the collecting portion 11 tend to be collinear or collinear, so that the center line of the noise collector 1 as a whole and the center line of the negative pressure generator tend to be collinear or collinear. In other embodiments, the central line of the clamping portion and the central line of the collecting portion 11 may not be collinear, for example, due to the influence of the arrangement of the internal structure of the sweeper, in order to make the central line of the collecting portion 11 and the central line of the negative pressure generator tend to be collinear or collinear, the clamping portion may be in an arc-shaped structure, a bent structure, or the like, and the central lines thereof are also in an arc shape or a bent shape. The shape of the clamping portion is not particularly limited in the present application.

Specifically, the clamping portion includes a plurality of clamping arms 12 disposed on the inner wall of the housing 10, the plurality of clamping arms 12 enclose a clamping space, and the collecting portion 11 is clamped in the clamping space. The holding arm 12 has a fixed end fixed on the inner wall of the casing 10 and a free end suspended in the casing 10, and the collecting part 11 is disposed near the free end to further approach the negative pressure generator, so as to improve the noise collecting effect.

In order to restrict collection portion 11 and enclose at centre gripping arm 12 and establish the interior rocking of centre gripping space that forms, be provided with limit structure 6 on the clamping part, limit structure 6 restriction collection portion 11 removes in centre gripping space, in order to avoid producing when removing or carrying out the action of cleaning because of the sweeper and rock and lead to collection portion 11 to rock in centre gripping space, thereby make the skew negative pressure generator's of collection portion's 11 central line, perhaps rock the striking centre gripping arm 12 in centre gripping space because of collection portion 11 in order to produce the noise, thereby influence the voice interaction effect.

The limiting structure 6 includes a first limiting portion 61 for limiting the rotation of the collecting portion 11 along the axis thereof in the clamping space and a second limiting portion 62 for limiting the movement of the collecting portion 11 along the axis of the clamping arm 12. The first and second position-limiting

portions

61 and 62 may be disposed on the same clamping arm 12, or may be disposed on different clamping arms 12. In the present embodiment, the description will be given taking an example in which the clamp arm 12 includes two long arms 121 disposed opposite to each other and two short arms 122 disposed opposite to each other, the second stopper portion 62 is provided on the two long arms 121, and the first stopper portion 61 is provided on the two short arms 122.

Specifically, the first limiting portion 61 is a plurality of ribs disposed on the inner wall of the short arm 122 and extending along the height direction of the short arm 122, the second limiting portion 62 is a supporting block formed by bending inward from the free end of the long arm 121, and the inner surface of the supporting block supports against the outer surface of the collecting portion. Through the cooperation of protruding muscle and support and hold the piece to make collection portion 11 fix and enclose the centre gripping space of establishing the formation at two long arms 121 and two short arms 122, thereby improve the structural stability behind the centre gripping portion centre gripping collection portion 11. In other embodiments, the first position-limiting part 61 and the second position-limiting part 62 can also be configured in other structures, such as a locking member disposed outside the holding arm 12, or a locking groove disposed on the inner wall of the holding arm 12 and a locking block formed on the collecting part 11, which are not limited herein.

By the aforesaid can know, the voice interaction function of machine of sweeping floor passes through noise collector 1, voice collector 2 and the cooperation of treater 3 and realizes, in order to further improve the result of use of voice interaction function, in this embodiment, this voice collector 2 sets up outside casing 10 to be located casing 10 top, send the size of noise with the negative pressure generator that reduces voice collector 2 and gather, avoid the sheltering from of casing 10 to voice collector 2 simultaneously, gather the precision of user's instruction with reinforcing voice collector 2. Meanwhile, the collecting part 11 of the noise collector 1 is positioned above the negative pressure generator, namely, between the voice collector 2 and the negative pressure generator, so that the noise emitted by the negative pressure generator collected by the noise collector 1 and the voice collector 2 is the closest to each other, which is beneficial for the processor 3 to extract the user instruction and improve the working efficiency of the sweeper.

As described above, since the voice collector 2 is located outside the housing 10, after a long time use, the voice collector 2 is easily damaged by collision and friction, so as to affect the use of the voice interaction function of the sweeper, in this embodiment, the housing 10 is further provided with the protection member 5, a receiving cavity (not shown) is formed between the protection member 5 and the housing 10, the voice collector 2 is received in the receiving cavity, and the protection member 5 is provided with a plurality of through holes 8, so that the receiving cavity is communicated with the outside.

Can play the guard action to voice acquisition unit 2 through setting up protection piece 5 to prolong voice acquisition unit 2's life, accept the chamber simultaneously and pass through the perforating hole 8 intercommunication on protection piece 5 with the external world, in order to avoid protection piece 5 to influence voice acquisition unit 2's collection effect, in order to further improve voice acquisition unit 2's collection effect, in this embodiment, voice acquisition unit 2's the central line and the central line of perforating hole 8 tend to the collineation or collineation. It should be noted that the guard 5 is detachably connected to the housing 10, so as to facilitate subsequent repair and replacement of the voice collector 2. The protection member 5 and the housing 10 may be connected by a snap structure or a screw connection. In the present embodiment, the protection member 5 and the housing 10 are fixed by bolts 9.

Specifically, the protection member 5 includes a main body portion and an abutting portion 52 bent downward from the main body portion 51, the through hole 8 is opened in the main body portion 51, a mounting hole (not shown) matching with the bolt 9 is formed in the main body portion 51, and the abutting portion 52 is held against the outer surface of the housing 10 so as to form a receiving cavity between the housing 10 and the protection member 5.

In order not to occupy the internal space of the sweeper and to influence the arrangement of the internal working components of the sweeper, in this embodiment, the processor 3 is arranged in the accommodating cavity so as to fully utilize the space of the accommodating cavity.

Specifically, in processor 3's border position department, still be provided with a plurality of cushion 101 on casing 10, processor 3 erects on a plurality of cushion 101 to have the interval between messenger's processor 3 and the casing 10, avoid in the use, lead to processor 3 and casing 10 collision damage because of external force collides with. Meanwhile, the processor 3 is fixed in the accommodating cavity through the bolt 9, and the processor 3, the casing 10 and the protection part 5 are integrally fixed through the bolt 9, so that the structure is simple, and the subsequent overhaul and updating are convenient.

It is to be understood that the above-described embodiments are only a few, but not all, of the embodiments described herein. Based on the embodiments in the present application, a person skilled in the art may make other variations or changes without creative efforts, and all of them should fall into the protection scope of the present application.

Claims

1. A cleaning device having voice interaction functionality, comprising:

a housing;

a processor configured to extract a user instruction based on the voice signal and the noise signal; and

2. The cleaning apparatus of claim 1, wherein the noise collector further comprises a clamping portion to clamp the collecting portion, a centerline of the clamping portion and a centerline of the collecting portion tending to be collinear or collinear.

3. The cleaning apparatus as claimed in claim 2, wherein the holding portion comprises a plurality of holding arms disposed on an inner wall of the housing, the holding arms define a holding space, and the collecting portion is held in the holding space.

4. The cleaning device as claimed in claim 3, wherein a limiting structure is disposed on the clamping portion, and the limiting structure limits the collecting portion to move in the clamping space.

5. The cleaning apparatus defined in claim 4, wherein the spacing structure comprises a first spacing body and a second spacing body;

6. The cleaning apparatus defined in any one of claims 1-5, wherein the noise source comprises a negative pressure generator disposed within the housing, and wherein a centerline of the acquisition portion and a centerline of the negative pressure generator tend to be collinear or collinear.

7. The cleaning apparatus defined in claim 6, wherein the collection portion is located between the speech collector and the negative pressure generator.

8. The cleaning apparatus defined in claim 7, wherein the speech collector is located on the top of the housing, and the collection portion is located above the negative pressure generator.

9. The cleaning device as claimed in claim 1, wherein a protection member is disposed outside the housing, a receiving cavity is formed between the protection member and the housing, the voice collector is received in the receiving cavity, and a plurality of through holes are disposed on the protection member to communicate the receiving cavity with the outside.

10. The cleaning apparatus of claim 9, wherein a centerline of the voice collector and a centerline of the through-hole tend to be collinear or collinear.