CN212079756U - Fan subassembly and mobile robot - Google Patents
Fan subassembly and mobile robot Download PDFInfo
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- CN212079756U CN212079756U CN202020629577.XU CN202020629577U CN212079756U CN 212079756 U CN212079756 U CN 212079756U CN 202020629577 U CN202020629577 U CN 202020629577U CN 212079756 U CN212079756 U CN 212079756U
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Abstract
The utility model discloses a fan subassembly and mobile robot, wherein, mobile robot includes the casing, the fan subassembly is located in the casing and is formed with air-out wind channel and air outlet, the fan subassembly includes the control unit, noise collector and speaker, the control unit is installed in the casing, the control unit has control circuit, the noise collector is installed in air-out wind channel, the noise collector is connected with the control circuit, the noise collector is used for detecting the noise signal in the air-out wind channel and sends the control unit to, the speaker is installed in air-out wind channel, the speaker is connected with the control circuit, the speaker is used for exporting the signal of making an uproar of falling under the control unit's control. The utility model discloses improved mobile robot's fan subassembly, promoted fan subassembly the ability of making an uproar of falling, reduced noise pollution.
Description
Technical Field
The utility model relates to the technical field of robot, especially, relate to a fan subassembly and mobile robot.
Background
The mobile robot is a machine or a device which automatically executes work, can receive human commands, can run a pre-programmed program, and can act according to instructions formulated by an artificial intelligence technology. The task of a mobile robot is to assist or replace the work of human work, such as service, production, construction or hazardous work, etc.
The existing mobile robot is usually provided with parts such as a fan assembly and a host, and the parts often make large noise in the working process to generate noise pollution, so that great confusion is brought to the work or life of a user.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a fan assembly, which improves the noise reduction capability of the fan assembly and reduces noise pollution.
In order to achieve the above object, the utility model provides a fan subassembly for mobile robot, mobile robot includes the casing, the fan subassembly is located in the casing and be formed with air-out wind channel and air outlet, the fan subassembly includes:
a control unit mounted in the housing, the control unit having a control circuit;
the noise collector is arranged in the air outlet duct and is connected with the control circuit, and the noise collector is used for detecting a noise signal in the air outlet duct and transmitting the noise signal to the control unit;
the loudspeaker is arranged in the air outlet duct and connected with the control circuit, and the loudspeaker is used for outputting a noise reduction signal under the control of the control unit.
In one embodiment, the fan assembly further comprises:
a fan;
the air outlet duct comprises a first shell, a first opening and a second opening, wherein the first opening and the second opening are communicated with each other, the first shell is connected with the fan, the first opening is communicated with the air outlet side of the fan to form the air outlet duct, and the second opening is an air outlet.
In an embodiment, the noise collector is installed on the outer wall of the first shell and extends into the air outlet duct, and the noise collector is arranged close to the air outlet side of the fan.
In one embodiment, the speaker is mounted on the first housing and disposed adjacent to the second opening.
In an embodiment, the first casing has a mounting opening, the speaker is mounted at the mounting opening, and the speaker is sleeved with a protective cover.
In an embodiment, a silencing sponge or a sealing ring is attached to the second opening of the first shell.
In one embodiment, the first shell is provided with a plurality of air cavities which are communicated with each other, the air cavities form the air outlet duct, and silence sponges are attached to the communication positions between the air cavities.
In one embodiment, the fan assembly further comprises:
the two ends of the second shell are respectively provided with a third opening and a fourth opening which are communicated with each other, the second shell is connected with the fan, the third opening is communicated with the air inlet side of the fan to form an air inlet duct and an air inlet, and the fourth opening is an air inlet;
and a mute sponge or a sealing ring is attached to a fourth opening of the second shell.
In order to achieve the above object, the present invention further provides a mobile robot, including a housing, the mobile robot further including the above fan assembly, the fan assembly being installed in the housing and forming an air outlet duct and an air outlet;
the control unit is arranged in the shell, the noise collector is arranged in the air outlet duct, and the loudspeaker is arranged in the air outlet duct;
the fan assembly includes:
a control unit mounted in the housing, the control unit having a control circuit;
the noise collector is arranged in the air outlet duct and is connected with the control circuit, and the noise collector is used for detecting a noise signal in the air outlet duct and transmitting the noise signal to the control unit;
the loudspeaker is arranged in the air outlet duct and connected with the control circuit, and the loudspeaker is used for outputting a noise reduction signal under the control of the control unit.
In an embodiment, the mobile robot is a sweeping robot, and the sweeping robot further includes:
the host is installed in the casing and arranged opposite to the fan assembly, and radiating holes are formed in the casing corresponding to the installation position of the host.
The technical scheme of the utility model, because this fan subassembly includes the control unit, noise collector and speaker, the control unit is installed in the casing, the control unit has control circuit, the noise collector is installed in the air-out wind channel, the noise collector is connected with control circuit, the noise collector is used for detecting the noise signal in the air-out wind channel and sends the control unit to, the speaker is installed in the air-out wind channel, the speaker is connected with control circuit, the speaker is used for exporting under the control unit's control and falls the signal of making an uproar, the structure of fan subassembly has been improved, the ability of making an uproar falls in fan subassembly has been promoted, noise pollution has been reduced.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the fan assembly of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | |
110 | |
|
| 200 | Casing (CN) | 120 | Loudspeaker | |
| 100A | |
130 | |
|
| | Air outlet | 140 | |
|
| 121 | |
150 | |
|
| 100C | |
300 | |
|
| 200A | Heat dissipation hole |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The mobile robot is a machine or a device which automatically executes work, can receive human commands, can run a pre-programmed program, and can act according to instructions formulated by an artificial intelligence technology. The task of a mobile robot is to assist or replace the work of human work, such as service, production, construction or hazardous work, etc.
In an exemplary technology, the mobile robot is provided with parts such as a fan assembly and a host, and the parts tend to make large noise in the working process, so that noise pollution is generated, and the work or life of a user is greatly confused.
In order to improve the performance of making an uproar of falling of fan subassembly, noise abatement pollution, the utility model provides a fan subassembly is applicable to various mobile robot that have the fan subassembly, especially sweeps the floor the robot, and this place does not do the injecing to its range of application.
Referring to fig. 1, fig. 1 is the structural schematic diagram of an embodiment of the fan assembly of the present invention, in an embodiment of the present invention, the mobile robot to which this fan assembly 100 is applied includes a housing 200, the fan assembly 100 is disposed in the housing 200 and is formed with an air outlet duct 100A and an air outlet 100B, this fan assembly 100 includes a control unit (not shown), a noise collector 110 and a speaker 120, the control unit is installed in the housing 200, the control unit has a control circuit, the noise collector 110 is installed in the air outlet duct 100A, the noise collector 110 is connected to the control circuit, the noise collector 110 is used for detecting a noise signal in the air outlet duct 100A and transmitting the noise signal to the control unit, the speaker 120 is installed in the air outlet duct 100A, the speaker 120 is connected to the control circuit, and the speaker 120 is used for outputting a noise reduction signal under the control.
The control unit may be an active noise reduction chip integrated with a noise reduction control circuit, the active noise reduction chip is packaged on a circuit board, the circuit board may be installed on a housing of the fan assembly 100 in the casing 200 or at other positions in the casing 200, the noise reduction control circuit may be connected to a built-in battery or a power supply of the fan assembly 100 to supply power, and a specific installation position of the control unit is not limited herein.
It should be noted that the noise collector 110 may be a microphone, a collector with an environmental noise collecting function, or a sound input module integrated with a sound collecting device, etc. The speaker 120 may be a general speaker having a function of outputting a sound signal, a player, or a sound output module, etc. In addition, the number of the noise collectors 110 and the speakers 120 may be one or more, and the noise collectors may be dispersedly installed in the air outlet duct 110A or other positions in the mobile robot housing 200, and the installation positions thereof are not limited herein. It should be understood that the fan assembly 100 can improve the noise reduction capability when a plurality of noise collectors 110 and speakers 120 are installed, and the number of noise collectors 110 and speakers 120 is not limited herein.
The utility model discloses fan subassembly 100 fall the principle of making an uproar and lie in, noise collector 110 detects the noise signal in air-out wind channel 100A and sends it for the control unit, and the control unit carries out real-time operation and generates and fall the signal of making an uproar, then will fall the signal transmission of making an uproar to speaker 120, and speaker 120 exports the signal of making an uproar under the control of the control unit. The noise reduction signal is a sound wave with the same amplitude and the opposite phase of the noise signal, which can offset the noise, reduce the noise generated by the fan 130 of the fan assembly 100 or other parts in the mobile robot, and reduce the noise pollution.
During production and assembly, the components such as the fan 130 of the fan assembly 100 and the like may be installed in the housing 200 of the mobile robot, the control unit may be installed in the housing 200 through a threaded connection or an adhesion manner, further, the noise collector 110 may be installed in the air outlet duct 100A of the fan assembly 100 through a threaded connection or a clamping manner and the like and connected to the control unit, and then the speaker 120 may be installed in the air outlet duct 100A of the fan assembly 100 through a threaded connection or a clamping manner and the like and connected to the control unit. Thus, the fan assembly 100 is installed, and the whole installation process is simple and convenient.
It can be understood, the utility model discloses a fan subassembly 100 is through installing the control unit in casing 200, the control unit has control circuit, noise collector 110 is installed in air-out wind channel 100A, noise collector 110 is connected with control circuit, noise collector 110 is used for detecting the noise signal in air-out wind channel 100A and sends the control unit to, speaker 120 is installed in air-out wind channel 100A, speaker 120 is connected with control circuit, speaker 120 is used for exporting the signal of making an uproar under the control unit's control, the structure of fan subassembly 100 has been improved, the ability of making an uproar has been promoted to fan subassembly 100, noise pollution has been reduced.
Referring to fig. 1, in an embodiment, the fan assembly 100 further includes a fan 130 and a first casing 140, two ends of the first casing 140 are respectively provided with a first opening and a second opening which are mutually communicated, the first casing 140 is connected with the fan 130, the first opening is communicated with an air outlet side of the fan 130 to form an air outlet duct 100A, and the second opening is an air outlet 100B of the fan assembly 100. So set up, first casing 140 provides and supplies installation positions such as noise collector 110 and speaker 120, has promoted the installation effectiveness of noise collector 110 and speaker 120, has also promoted the ability of making an uproar that falls of fan assembly 100.
Further, in this embodiment, in order to improve the capability of the noise collector 110 for detecting the noise generated by the fan 130, the noise collector 110 may be mounted on the outer wall of the first casing 140 and extend into the air outlet duct 100A, and the noise collector 110 is disposed near the air outlet side of the fan 130. Specifically, as shown in fig. 1, a circular through hole is formed in the top wall of the first casing 140 near the air outlet side of the fan 130, and the circular through hole provides a mounting position for mounting the noise collector 110. It should be noted that the noise collector 110 is disposed near the air outlet side of the fan 130 to achieve a better noise detection effect, so as to improve the noise reduction capability of the fan assembly 100.
Similarly, in order to make the noise reduction signal played by the speaker 120 better offset the noise generated by the fan 130 and the like, so as to achieve a better noise reduction effect, in this embodiment, the speaker 120 is installed on the first casing 140 and is disposed close to the second opening (the air outlet 100B).
In addition, in some embodiments, in order to fix the speaker 120 and prevent dust and the like from entering the speaker 120 to interfere with its normal operation, the first housing 140 is provided with an installation opening, the speaker 120 is installed at the installation opening, and the speaker 120 is sleeved with a protective cover 121, the protective cover 121 is used for fixing the speaker 120 on the first housing 140, and also can prevent dust and the like from entering the speaker 1120, thereby reducing interference to the dust and the like.
In this embodiment, in order to improve the noise signal detection effect of the noise collector 110 and improve the noise reduction effect of the speaker 120 playing the noise reduction signal to cancel the noise signal, the relative distance between the center point of the fan 130 and the center point of the noise collector 110 (fig. 1 is a microphone) may be set to be 20-30mm, and the relative distance between the center point of the noise collector 110 and the center point of the speaker 120 may be set to be 60-80 mm. Certainly, in some embodiments, because the specifications of the fan 130, the air outlet duct 100A thereof, the air outlet 100B thereof, and the like are set differently, the relative distance between the noise collector 110, the speaker 120, and the fan 130 may be further optimized, and the specific installation position thereof may be adaptively adjusted according to actual requirements to obtain a better noise reduction effect, where the relative installation position is not limited.
In order to further improve the noise reduction capability of the fan assembly 100, a silencing sponge or a sealing ring is attached to the second opening (i.e., the air outlet 100B of the fan assembly 100) of the first casing 140, and the silencing sponge or the sealing ring can be adapted to the shape of the second opening to achieve a better sealing and attaching effect. When the installation, the other end of silence sponge or sealing washer is fixed with the casing 200 butt of mobile robot or bonding usually for improve the sealing performance of whole device, come out from spreading from the clearance of avoiding the noise between fan subassembly 100 and casing 200, and then improved this fan subassembly 100's noise reduction effect, also can improve this fan subassembly 100's waterproof performance simultaneously.
In addition, in some embodiments, a silencing sponge or a sealing ring may also be installed at the connection between the first casing 140 and the air outlet side of the fan 130 to enhance the sealing performance and noise reduction capability thereof.
Referring to fig. 1, in some embodiments, in order to absorb noise generated by the fan 130 and improve the sound insulation and noise reduction effects of the fan assembly 100, the first housing 140 may have a plurality of air cavities communicated with each other, the air cavities form an air outlet duct 100A, and a silencing sponge is attached to the communication positions between the air cavities.
Referring to fig. 1, in an embodiment, in order to further improve the sealing performance and the noise reduction capability of the whole fan assembly 100, the fan assembly 100 further includes a second casing 150, two ends of the second casing 150 are respectively provided with a third opening and a fourth opening which are communicated with each other, the second casing 150 is connected to the fan 130, the third opening is communicated with the air inlet side of the fan 130 to form an air inlet duct 100C and an air inlet (not shown), the fourth opening is the air inlet of the fan assembly 100, a silencing sponge or a sealing ring is attached to the fourth opening of the second casing 150, and the shape of the silencing sponge or the sealing ring can be adapted to the shape of the fourth opening, so as to achieve a better sealing and attaching effect.
It should be noted that, in other embodiments, the air inlet side of the fan 130 of the fan assembly 100 may also be directly connected to the air inlet opening formed in the casing 200, and a silencing sponge or a sealing ring may be directly attached to the air inlet side of the fan 130 to enhance the sealing performance and the noise reduction capability thereof.
The utility model discloses still provide a mobile robot, refer to fig. 1, this mobile robot includes casing 200 and fan subassembly 100, and fan subassembly 100 is installed in casing 200 and is formed with air-out wind channel 100A and air outlet 100B, and wherein, the control unit is installed in casing 200, and noise collector 110 is installed in air-out wind channel 100A, and speaker 120 is installed in air-out wind channel 100A. This fan subassembly 100's concrete structure refers to above-mentioned embodiment, because the utility model provides a mobile robot includes all schemes of above-mentioned fan subassembly 100's all embodiments, consequently, has at least with fan subassembly 100 the same technological effect, does not differentiate the explanation here.
In an embodiment, the mobile robot is a sweeping robot, the sweeping robot further includes a host 300, in order to improve the heat dissipation capability of the sweeping robot, the host 300 is installed in the casing 200 and disposed opposite to the fan assembly 100, and the casing 200 is provided with heat dissipation holes 200A corresponding to the installation position of the host 300.
It should be noted that, in some embodiments, the main frame 300 or other components of the sweeping robot may also generate relatively large noise, and in order to reduce the noise level, the noise collector 110 and the speaker 120 may also be installed around the noise source, and the noise collector 110 and the speaker 120 are respectively connected to the above-mentioned control unit, so as to achieve a better noise reduction effect. Certainly, a plurality of noise sources are also installed together and communicated with the air outlet duct 100A of the fan 130 to introduce various noises into the air outlet duct 100A, the noise collector 110 located in the air outlet duct 100A can detect various noises, and the speaker 120 located in the air outlet duct 100A can play a noise reduction signal to offset and reduce the noises. Here, the number and the installation position of the noise collectors 110 and the speakers 120 installed in the cleaning robot are not limited.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a fan subassembly for mobile robot, mobile robot includes the casing, fan subassembly is located in the casing and be formed with air outlet duct and air outlet, its characterized in that, fan subassembly includes:
a control unit mounted in the housing, the control unit having a control circuit;
the noise collector is arranged in the air outlet duct and is connected with the control circuit, and the noise collector is used for detecting a noise signal in the air outlet duct and transmitting the noise signal to the control unit;
the loudspeaker is arranged in the air outlet duct and connected with the control circuit, and the loudspeaker is used for outputting a noise reduction signal under the control of the control unit.
2. The fan assembly of claim 1, further comprising:
a fan;
the air outlet duct comprises a first shell, a first opening and a second opening, wherein the first opening and the second opening are communicated with each other, the first shell is connected with the fan, the first opening is communicated with the air outlet side of the fan to form the air outlet duct, and the second opening is an air outlet.
3. The fan assembly of claim 2, wherein the noise collector is mounted on an outer wall of the first housing and extends into the outlet duct, and the noise collector is disposed near an outlet side of the fan.
4. The fan assembly of claim 2, wherein the speaker is mounted on the first housing and disposed proximate the second opening.
5. The fan assembly of claim 4, wherein the first housing defines a mounting opening, the speaker is mounted to the mounting opening and the speaker is sleeved with a shield.
6. The fan assembly of claim 2, wherein a sound deadening sponge or a sealing ring is attached to the second opening of the first housing.
7. The fan assembly according to claim 2, wherein the first housing has a plurality of air chambers connected to each other, the air chambers form the air outlet duct, and a silencing sponge is attached to each of the connection portions between the air chambers.
8. The fan assembly of claim 2, further comprising:
the two ends of the second shell are respectively provided with a third opening and a fourth opening which are communicated with each other, the second shell is connected with the fan, the third opening is communicated with the air inlet side of the fan to form an air inlet duct and an air inlet, and the fourth opening is an air inlet;
and a mute sponge or a sealing ring is attached to a fourth opening of the second shell.
9. A mobile robot, comprising a casing, characterized in that the mobile robot further comprises a fan assembly according to any one of claims 1 to 8, the fan assembly being mounted in the casing and forming an air outlet duct and an air outlet;
the control unit is installed in the casing, the noise collector is installed in the air outlet duct, and the loudspeaker is installed in the air outlet duct.
10. The mobile robot of claim 9, wherein the mobile robot is a sweeping robot, the sweeping robot further comprising:
the host is installed in the casing and arranged opposite to the fan assembly, and radiating holes are formed in the casing corresponding to the installation position of the host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629577.XU CN212079756U (en) | 2020-04-23 | 2020-04-23 | Fan subassembly and mobile robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629577.XU CN212079756U (en) | 2020-04-23 | 2020-04-23 | Fan subassembly and mobile robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079756U true CN212079756U (en) | 2020-12-04 |
Family
ID=73596996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020629577.XU Active CN212079756U (en) | 2020-04-23 | 2020-04-23 | Fan subassembly and mobile robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079756U (en) |
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2020
- 2020-04-23 CN CN202020629577.XU patent/CN212079756U/en active Active
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